diff options
Diffstat (limited to 'tools/lib')
37 files changed, 2600 insertions, 1984 deletions
diff --git a/tools/lib/bpf/Build b/tools/lib/bpf/Build index 6eb9bacd1948..7bc31c905018 100644 --- a/tools/lib/bpf/Build +++ b/tools/lib/bpf/Build @@ -1 +1 @@ -libbpf-y := libbpf.o bpf.o nlattr.o btf.o libbpf_errno.o str_error.o +libbpf-y := libbpf.o bpf.o nlattr.o btf.o libbpf_errno.o str_error.o netlink.o diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index d49902e818b5..425b480bda75 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) # Most of this file is copied from tools/lib/traceevent/Makefile BPF_VERSION = 0 @@ -69,7 +69,7 @@ FEATURE_USER = .libbpf FEATURE_TESTS = libelf libelf-mmap bpf reallocarray FEATURE_DISPLAY = libelf bpf -INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi -I$(srctree)/tools/perf +INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES) check_feat := 1 @@ -125,6 +125,7 @@ override CFLAGS += $(EXTRA_WARNINGS) override CFLAGS += -Werror -Wall override CFLAGS += -fPIC override CFLAGS += $(INCLUDES) +override CFLAGS += -fvisibility=hidden ifeq ($(VERBOSE),1) Q = diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 60aa4ca8b2c5..03f9bcc4ef50 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* * common eBPF ELF operations. @@ -28,16 +28,8 @@ #include <linux/bpf.h> #include "bpf.h" #include "libbpf.h" -#include "nlattr.h" -#include <linux/rtnetlink.h> -#include <linux/if_link.h> -#include <sys/socket.h> #include <errno.h> -#ifndef SOL_NETLINK -#define SOL_NETLINK 270 -#endif - /* * When building perf, unistd.h is overridden. __NR_bpf is * required to be defined explicitly. @@ -286,6 +278,18 @@ int bpf_map_lookup_elem(int fd, const void *key, void *value) return sys_bpf(BPF_MAP_LOOKUP_ELEM, &attr, sizeof(attr)); } +int bpf_map_lookup_and_delete_elem(int fd, const void *key, void *value) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.map_fd = fd; + attr.key = ptr_to_u64(key); + attr.value = ptr_to_u64(value); + + return sys_bpf(BPF_MAP_LOOKUP_AND_DELETE_ELEM, &attr, sizeof(attr)); +} + int bpf_map_delete_elem(int fd, const void *key) { union bpf_attr attr; @@ -499,127 +503,6 @@ int bpf_raw_tracepoint_open(const char *name, int prog_fd) return sys_bpf(BPF_RAW_TRACEPOINT_OPEN, &attr, sizeof(attr)); } -int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags) -{ - struct sockaddr_nl sa; - int sock, seq = 0, len, ret = -1; - char buf[4096]; - struct nlattr *nla, *nla_xdp; - struct { - struct nlmsghdr nh; - struct ifinfomsg ifinfo; - char attrbuf[64]; - } req; - struct nlmsghdr *nh; - struct nlmsgerr *err; - socklen_t addrlen; - int one = 1; - - memset(&sa, 0, sizeof(sa)); - sa.nl_family = AF_NETLINK; - - sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); - if (sock < 0) { - return -errno; - } - - if (setsockopt(sock, SOL_NETLINK, NETLINK_EXT_ACK, - &one, sizeof(one)) < 0) { - fprintf(stderr, "Netlink error reporting not supported\n"); - } - - if (bind(sock, (struct sockaddr *)&sa, sizeof(sa)) < 0) { - ret = -errno; - goto cleanup; - } - - addrlen = sizeof(sa); - if (getsockname(sock, (struct sockaddr *)&sa, &addrlen) < 0) { - ret = -errno; - goto cleanup; - } - - if (addrlen != sizeof(sa)) { - ret = -LIBBPF_ERRNO__INTERNAL; - goto cleanup; - } - - memset(&req, 0, sizeof(req)); - req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); - req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; - req.nh.nlmsg_type = RTM_SETLINK; - req.nh.nlmsg_pid = 0; - req.nh.nlmsg_seq = ++seq; - req.ifinfo.ifi_family = AF_UNSPEC; - req.ifinfo.ifi_index = ifindex; - - /* started nested attribute for XDP */ - nla = (struct nlattr *)(((char *)&req) - + NLMSG_ALIGN(req.nh.nlmsg_len)); - nla->nla_type = NLA_F_NESTED | IFLA_XDP; - nla->nla_len = NLA_HDRLEN; - - /* add XDP fd */ - nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len); - nla_xdp->nla_type = IFLA_XDP_FD; - nla_xdp->nla_len = NLA_HDRLEN + sizeof(int); - memcpy((char *)nla_xdp + NLA_HDRLEN, &fd, sizeof(fd)); - nla->nla_len += nla_xdp->nla_len; - - /* if user passed in any flags, add those too */ - if (flags) { - nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len); - nla_xdp->nla_type = IFLA_XDP_FLAGS; - nla_xdp->nla_len = NLA_HDRLEN + sizeof(flags); - memcpy((char *)nla_xdp + NLA_HDRLEN, &flags, sizeof(flags)); - nla->nla_len += nla_xdp->nla_len; - } - - req.nh.nlmsg_len += NLA_ALIGN(nla->nla_len); - - if (send(sock, &req, req.nh.nlmsg_len, 0) < 0) { - ret = -errno; - goto cleanup; - } - - len = recv(sock, buf, sizeof(buf), 0); - if (len < 0) { - ret = -errno; - goto cleanup; - } - - for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); - nh = NLMSG_NEXT(nh, len)) { - if (nh->nlmsg_pid != sa.nl_pid) { - ret = -LIBBPF_ERRNO__WRNGPID; - goto cleanup; - } - if (nh->nlmsg_seq != seq) { - ret = -LIBBPF_ERRNO__INVSEQ; - goto cleanup; - } - switch (nh->nlmsg_type) { - case NLMSG_ERROR: - err = (struct nlmsgerr *)NLMSG_DATA(nh); - if (!err->error) - continue; - ret = err->error; - nla_dump_errormsg(nh); - goto cleanup; - case NLMSG_DONE: - break; - default: - break; - } - } - - ret = 0; - -cleanup: - close(sock); - return ret; -} - int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf, __u32 log_buf_size, bool do_log) { diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 6f38164b2618..26a51538213c 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: LGPL-2.1 */ +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ /* * common eBPF ELF operations. @@ -20,13 +20,17 @@ * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see <http://www.gnu.org/licenses> */ -#ifndef __BPF_BPF_H -#define __BPF_BPF_H +#ifndef __LIBBPF_BPF_H +#define __LIBBPF_BPF_H #include <linux/bpf.h> #include <stdbool.h> #include <stddef.h> +#ifndef LIBBPF_API +#define LIBBPF_API __attribute__((visibility("default"))) +#endif + struct bpf_create_map_attr { const char *name; enum bpf_map_type map_type; @@ -42,21 +46,24 @@ struct bpf_create_map_attr { __u32 inner_map_fd; }; -int bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr); -int bpf_create_map_node(enum bpf_map_type map_type, const char *name, - int key_size, int value_size, int max_entries, - __u32 map_flags, int node); -int bpf_create_map_name(enum bpf_map_type map_type, const char *name, - int key_size, int value_size, int max_entries, - __u32 map_flags); -int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, - int max_entries, __u32 map_flags); -int bpf_create_map_in_map_node(enum bpf_map_type map_type, const char *name, - int key_size, int inner_map_fd, int max_entries, - __u32 map_flags, int node); -int bpf_create_map_in_map(enum bpf_map_type map_type, const char *name, - int key_size, int inner_map_fd, int max_entries, - __u32 map_flags); +LIBBPF_API int +bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr); +LIBBPF_API int bpf_create_map_node(enum bpf_map_type map_type, const char *name, + int key_size, int value_size, + int max_entries, __u32 map_flags, int node); +LIBBPF_API int bpf_create_map_name(enum bpf_map_type map_type, const char *name, + int key_size, int value_size, + int max_entries, __u32 map_flags); +LIBBPF_API int bpf_create_map(enum bpf_map_type map_type, int key_size, + int value_size, int max_entries, __u32 map_flags); +LIBBPF_API int bpf_create_map_in_map_node(enum bpf_map_type map_type, + const char *name, int key_size, + int inner_map_fd, int max_entries, + __u32 map_flags, int node); +LIBBPF_API int bpf_create_map_in_map(enum bpf_map_type map_type, + const char *name, int key_size, + int inner_map_fd, int max_entries, + __u32 map_flags); struct bpf_load_program_attr { enum bpf_prog_type prog_type; @@ -69,46 +76,56 @@ struct bpf_load_program_attr { __u32 prog_ifindex; }; +/* Flags to direct loading requirements */ +#define MAPS_RELAX_COMPAT 0x01 + /* Recommend log buffer size */ #define BPF_LOG_BUF_SIZE (256 * 1024) -int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, - char *log_buf, size_t log_buf_sz); -int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, - size_t insns_cnt, const char *license, - __u32 kern_version, char *log_buf, - size_t log_buf_sz); -int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, - size_t insns_cnt, int strict_alignment, - const char *license, __u32 kern_version, - char *log_buf, size_t log_buf_sz, int log_level); +LIBBPF_API int +bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, + char *log_buf, size_t log_buf_sz); +LIBBPF_API int bpf_load_program(enum bpf_prog_type type, + const struct bpf_insn *insns, size_t insns_cnt, + const char *license, __u32 kern_version, + char *log_buf, size_t log_buf_sz); +LIBBPF_API int bpf_verify_program(enum bpf_prog_type type, + const struct bpf_insn *insns, + size_t insns_cnt, int strict_alignment, + const char *license, __u32 kern_version, + char *log_buf, size_t log_buf_sz, + int log_level); -int bpf_map_update_elem(int fd, const void *key, const void *value, - __u64 flags); +LIBBPF_API int bpf_map_update_elem(int fd, const void *key, const void *value, + __u64 flags); -int bpf_map_lookup_elem(int fd, const void *key, void *value); -int bpf_map_delete_elem(int fd, const void *key); -int bpf_map_get_next_key(int fd, const void *key, void *next_key); -int bpf_obj_pin(int fd, const char *pathname); -int bpf_obj_get(const char *pathname); -int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type, - unsigned int flags); -int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); -int bpf_prog_detach2(int prog_fd, int attachable_fd, enum bpf_attach_type type); -int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, - void *data_out, __u32 *size_out, __u32 *retval, - __u32 *duration); -int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id); -int bpf_map_get_next_id(__u32 start_id, __u32 *next_id); -int bpf_prog_get_fd_by_id(__u32 id); -int bpf_map_get_fd_by_id(__u32 id); -int bpf_btf_get_fd_by_id(__u32 id); -int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len); -int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags, - __u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt); -int bpf_raw_tracepoint_open(const char *name, int prog_fd); -int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf, __u32 log_buf_size, - bool do_log); -int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len, - __u32 *prog_id, __u32 *fd_type, __u64 *probe_offset, - __u64 *probe_addr); -#endif +LIBBPF_API int bpf_map_lookup_elem(int fd, const void *key, void *value); +LIBBPF_API int bpf_map_lookup_and_delete_elem(int fd, const void *key, + void *value); +LIBBPF_API int bpf_map_delete_elem(int fd, const void *key); +LIBBPF_API int bpf_map_get_next_key(int fd, const void *key, void *next_key); +LIBBPF_API int bpf_obj_pin(int fd, const char *pathname); +LIBBPF_API int bpf_obj_get(const char *pathname); +LIBBPF_API int bpf_prog_attach(int prog_fd, int attachable_fd, + enum bpf_attach_type type, unsigned int flags); +LIBBPF_API int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); +LIBBPF_API int bpf_prog_detach2(int prog_fd, int attachable_fd, + enum bpf_attach_type type); +LIBBPF_API int bpf_prog_test_run(int prog_fd, int repeat, void *data, + __u32 size, void *data_out, __u32 *size_out, + __u32 *retval, __u32 *duration); +LIBBPF_API int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id); +LIBBPF_API int bpf_map_get_next_id(__u32 start_id, __u32 *next_id); +LIBBPF_API int bpf_prog_get_fd_by_id(__u32 id); +LIBBPF_API int bpf_map_get_fd_by_id(__u32 id); +LIBBPF_API int bpf_btf_get_fd_by_id(__u32 id); +LIBBPF_API int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len); +LIBBPF_API int bpf_prog_query(int target_fd, enum bpf_attach_type type, + __u32 query_flags, __u32 *attach_flags, + __u32 *prog_ids, __u32 *prog_cnt); +LIBBPF_API int bpf_raw_tracepoint_open(const char *name, int prog_fd); +LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf, + __u32 log_buf_size, bool do_log); +LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, + __u32 *buf_len, __u32 *prog_id, __u32 *fd_type, + __u64 *probe_offset, __u64 *probe_addr); +#endif /* __LIBBPF_BPF_H */ diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index cf94b0770522..449591aa9900 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* Copyright (c) 2018 Facebook */ #include <stdlib.h> diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index 4897e0724d4e..b77e7080f7e7 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -1,11 +1,15 @@ -/* SPDX-License-Identifier: LGPL-2.1 */ +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ /* Copyright (c) 2018 Facebook */ -#ifndef __BPF_BTF_H -#define __BPF_BTF_H +#ifndef __LIBBPF_BTF_H +#define __LIBBPF_BTF_H #include <linux/types.h> +#ifndef LIBBPF_API +#define LIBBPF_API __attribute__((visibility("default"))) +#endif + #define BTF_ELF_SEC ".BTF" struct btf; @@ -14,13 +18,15 @@ struct btf_type; typedef int (*btf_print_fn_t)(const char *, ...) __attribute__((format(printf, 1, 2))); -void btf__free(struct btf *btf); -struct btf *btf__new(__u8 *data, __u32 size, btf_print_fn_t err_log); -__s32 btf__find_by_name(const struct btf *btf, const char *type_name); -const struct btf_type *btf__type_by_id(const struct btf *btf, __u32 id); -__s64 btf__resolve_size(const struct btf *btf, __u32 type_id); -int btf__resolve_type(const struct btf *btf, __u32 type_id); -int btf__fd(const struct btf *btf); -const char *btf__name_by_offset(const struct btf *btf, __u32 offset); +LIBBPF_API void btf__free(struct btf *btf); +LIBBPF_API struct btf *btf__new(__u8 *data, __u32 size, btf_print_fn_t err_log); +LIBBPF_API __s32 btf__find_by_name(const struct btf *btf, + const char *type_name); +LIBBPF_API const struct btf_type *btf__type_by_id(const struct btf *btf, + __u32 id); +LIBBPF_API __s64 btf__resolve_size(const struct btf *btf, __u32 type_id); +LIBBPF_API int btf__resolve_type(const struct btf *btf, __u32 type_id); +LIBBPF_API int btf__fd(const struct btf *btf); +LIBBPF_API const char *btf__name_by_offset(const struct btf *btf, __u32 offset); -#endif +#endif /* __LIBBPF_BTF_H */ diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index bdb94939fd60..d6e62e90e8d4 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* * Common eBPF ELF object loading operations. @@ -7,19 +7,6 @@ * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. * Copyright (C) 2017 Nicira, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License (not later!) - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses> */ #define _GNU_SOURCE @@ -32,7 +19,6 @@ #include <unistd.h> #include <fcntl.h> #include <errno.h> -#include <perf-sys.h> #include <asm/unistd.h> #include <linux/err.h> #include <linux/kernel.h> @@ -40,6 +26,8 @@ #include <linux/btf.h> #include <linux/list.h> #include <linux/limits.h> +#include <linux/perf_event.h> +#include <linux/ring_buffer.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/vfs.h> @@ -182,7 +170,7 @@ static LIST_HEAD(bpf_objects_list); struct bpf_object { char license[64]; - u32 kern_version; + __u32 kern_version; struct bpf_program *programs; size_t nr_programs; @@ -228,7 +216,7 @@ struct bpf_object { }; #define obj_elf_valid(o) ((o)->efile.elf) -static void bpf_program__unload(struct bpf_program *prog) +void bpf_program__unload(struct bpf_program *prog) { int i; @@ -470,7 +458,8 @@ static int bpf_object__elf_init(struct bpf_object *obj) obj->efile.fd = open(obj->path, O_RDONLY); if (obj->efile.fd < 0) { char errmsg[STRERR_BUFSIZE]; - char *cp = str_error(errno, errmsg, sizeof(errmsg)); + char *cp = libbpf_strerror_r(errno, errmsg, + sizeof(errmsg)); pr_warning("failed to open %s: %s\n", obj->path, cp); return -errno; @@ -552,7 +541,7 @@ static int bpf_object__init_kversion(struct bpf_object *obj, void *data, size_t size) { - u32 kver; + __u32 kver; if (size != sizeof(kver)) { pr_warning("invalid kver section in %s\n", obj->path); @@ -574,8 +563,9 @@ static int compare_bpf_map(const void *_a, const void *_b) } static int -bpf_object__init_maps(struct bpf_object *obj) +bpf_object__init_maps(struct bpf_object *obj, int flags) { + bool strict = !(flags & MAPS_RELAX_COMPAT); int i, map_idx, map_def_sz, nr_maps = 0; Elf_Scn *scn; Elf_Data *data; @@ -697,7 +687,8 @@ bpf_object__init_maps(struct bpf_object *obj) "has unrecognized, non-zero " "options\n", obj->path, map_name); - return -EINVAL; + if (strict) + return -EINVAL; } } memcpy(&obj->maps[map_idx].def, def, @@ -728,7 +719,7 @@ static bool section_have_execinstr(struct bpf_object *obj, int idx) return false; } -static int bpf_object__elf_collect(struct bpf_object *obj) +static int bpf_object__elf_collect(struct bpf_object *obj, int flags) { Elf *elf = obj->efile.elf; GElf_Ehdr *ep = &obj->efile.ehdr; @@ -811,7 +802,8 @@ static int bpf_object__elf_collect(struct bpf_object *obj) data->d_size, name, idx); if (err) { char errmsg[STRERR_BUFSIZE]; - char *cp = str_error(-err, errmsg, sizeof(errmsg)); + char *cp = libbpf_strerror_r(-err, errmsg, + sizeof(errmsg)); pr_warning("failed to alloc program %s (%s): %s", name, obj->path, cp); @@ -854,7 +846,7 @@ static int bpf_object__elf_collect(struct bpf_object *obj) return LIBBPF_ERRNO__FORMAT; } if (obj->efile.maps_shndx >= 0) { - err = bpf_object__init_maps(obj); + err = bpf_object__init_maps(obj, flags); if (err) goto out; } @@ -1140,7 +1132,7 @@ bpf_object__create_maps(struct bpf_object *obj) *pfd = bpf_create_map_xattr(&create_attr); if (*pfd < 0 && create_attr.btf_key_type_id) { - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("Error in bpf_create_map_xattr(%s):%s(%d). Retrying without BTF.\n", map->name, cp, errno); create_attr.btf_fd = 0; @@ -1155,7 +1147,7 @@ bpf_object__create_maps(struct bpf_object *obj) size_t j; err = *pfd; - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("failed to create map (name: '%s'): %s\n", map->name, cp); for (j = 0; j < i; j++) @@ -1306,7 +1298,7 @@ static int bpf_object__collect_reloc(struct bpf_object *obj) static int load_program(enum bpf_prog_type type, enum bpf_attach_type expected_attach_type, const char *name, struct bpf_insn *insns, int insns_cnt, - char *license, u32 kern_version, int *pfd, int prog_ifindex) + char *license, __u32 kern_version, int *pfd, int prog_ifindex) { struct bpf_load_program_attr load_attr; char *cp, errmsg[STRERR_BUFSIZE]; @@ -1339,7 +1331,7 @@ load_program(enum bpf_prog_type type, enum bpf_attach_type expected_attach_type, } ret = -LIBBPF_ERRNO__LOAD; - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("load bpf program failed: %s\n", cp); if (log_buf && log_buf[0] != '\0') { @@ -1375,9 +1367,9 @@ out: return ret; } -static int +int bpf_program__load(struct bpf_program *prog, - char *license, u32 kern_version) + char *license, __u32 kern_version) { int err = 0, fd, i; @@ -1502,6 +1494,7 @@ static bool bpf_prog_type__needs_kver(enum bpf_prog_type type) case BPF_PROG_TYPE_CGROUP_SOCK_ADDR: case BPF_PROG_TYPE_LIRC_MODE2: case BPF_PROG_TYPE_SK_REUSEPORT: + case BPF_PROG_TYPE_FLOW_DISSECTOR: return false; case BPF_PROG_TYPE_UNSPEC: case BPF_PROG_TYPE_KPROBE: @@ -1525,7 +1518,7 @@ static int bpf_object__validate(struct bpf_object *obj, bool needs_kver) static struct bpf_object * __bpf_object__open(const char *path, void *obj_buf, size_t obj_buf_sz, - bool needs_kver) + bool needs_kver, int flags) { struct bpf_object *obj; int err; @@ -1541,7 +1534,7 @@ __bpf_object__open(const char *path, void *obj_buf, size_t obj_buf_sz, CHECK_ERR(bpf_object__elf_init(obj), err, out); CHECK_ERR(bpf_object__check_endianness(obj), err, out); - CHECK_ERR(bpf_object__elf_collect(obj), err, out); + CHECK_ERR(bpf_object__elf_collect(obj, flags), err, out); CHECK_ERR(bpf_object__collect_reloc(obj), err, out); CHECK_ERR(bpf_object__validate(obj, needs_kver), err, out); @@ -1552,7 +1545,8 @@ out: return ERR_PTR(err); } -struct bpf_object *bpf_object__open_xattr(struct bpf_object_open_attr *attr) +struct bpf_object *__bpf_object__open_xattr(struct bpf_object_open_attr *attr, + int flags) { /* param validation */ if (!attr->file) @@ -1561,7 +1555,13 @@ struct bpf_object *bpf_object__open_xattr(struct bpf_object_open_attr *attr) pr_debug("loading %s\n", attr->file); return __bpf_object__open(attr->file, NULL, 0, - bpf_prog_type__needs_kver(attr->prog_type)); + bpf_prog_type__needs_kver(attr->prog_type), + flags); +} + +struct bpf_object *bpf_object__open_xattr(struct bpf_object_open_attr *attr) +{ + return __bpf_object__open_xattr(attr, 0); } struct bpf_object *bpf_object__open(const char *path) @@ -1594,7 +1594,7 @@ struct bpf_object *bpf_object__open_buffer(void *obj_buf, pr_debug("loading object '%s' from buffer\n", name); - return __bpf_object__open(name, obj_buf, obj_buf_sz, true); + return __bpf_object__open(name, obj_buf, obj_buf_sz, true, true); } int bpf_object__unload(struct bpf_object *obj) @@ -1654,7 +1654,7 @@ static int check_path(const char *path) dir = dirname(dname); if (statfs(dir, &st_fs)) { - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("failed to statfs %s: %s\n", dir, cp); err = -errno; } @@ -1690,7 +1690,7 @@ int bpf_program__pin_instance(struct bpf_program *prog, const char *path, } if (bpf_obj_pin(prog->instances.fds[instance], path)) { - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("failed to pin program: %s\n", cp); return -errno; } @@ -1708,7 +1708,7 @@ static int make_dir(const char *path) err = -errno; if (err) { - cp = str_error(-err, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(-err, errmsg, sizeof(errmsg)); pr_warning("failed to mkdir %s: %s\n", path, cp); } return err; @@ -1770,7 +1770,7 @@ int bpf_map__pin(struct bpf_map *map, const char *path) } if (bpf_obj_pin(map->fd, path)) { - cp = str_error(errno, errmsg, sizeof(errmsg)); + cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg)); pr_warning("failed to pin map: %s\n", cp); return -errno; } @@ -2084,57 +2084,91 @@ void bpf_program__set_expected_attach_type(struct bpf_program *prog, prog->expected_attach_type = type; } -#define BPF_PROG_SEC_FULL(string, ptype, atype) \ - { string, sizeof(string) - 1, ptype, atype } +#define BPF_PROG_SEC_IMPL(string, ptype, eatype, is_attachable, atype) \ + { string, sizeof(string) - 1, ptype, eatype, is_attachable, atype } -#define BPF_PROG_SEC(string, ptype) BPF_PROG_SEC_FULL(string, ptype, 0) +/* Programs that can NOT be attached. */ +#define BPF_PROG_SEC(string, ptype) BPF_PROG_SEC_IMPL(string, ptype, 0, 0, 0) -#define BPF_S_PROG_SEC(string, ptype) \ - BPF_PROG_SEC_FULL(string, BPF_PROG_TYPE_CGROUP_SOCK, ptype) +/* Programs that can be attached. */ +#define BPF_APROG_SEC(string, ptype, atype) \ + BPF_PROG_SEC_IMPL(string, ptype, 0, 1, atype) -#define BPF_SA_PROG_SEC(string, ptype) \ - BPF_PROG_SEC_FULL(string, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, ptype) +/* Programs that must specify expected attach type at load time. */ +#define BPF_EAPROG_SEC(string, ptype, eatype) \ + BPF_PROG_SEC_IMPL(string, ptype, eatype, 1, eatype) + +/* Programs that can be attached but attach type can't be identified by section + * name. Kept for backward compatibility. + */ +#define BPF_APROG_COMPAT(string, ptype) BPF_PROG_SEC(string, ptype) static const struct { const char *sec; size_t len; enum bpf_prog_type prog_type; enum bpf_attach_type expected_attach_type; + int is_attachable; + enum bpf_attach_type attach_type; } section_names[] = { - BPF_PROG_SEC("socket", BPF_PROG_TYPE_SOCKET_FILTER), - BPF_PROG_SEC("kprobe/", BPF_PROG_TYPE_KPROBE), - BPF_PROG_SEC("kretprobe/", BPF_PROG_TYPE_KPROBE), - BPF_PROG_SEC("classifier", BPF_PROG_TYPE_SCHED_CLS), - BPF_PROG_SEC("action", BPF_PROG_TYPE_SCHED_ACT), - BPF_PROG_SEC("tracepoint/", BPF_PROG_TYPE_TRACEPOINT), - BPF_PROG_SEC("raw_tracepoint/", BPF_PROG_TYPE_RAW_TRACEPOINT), - BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP), - BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT), - BPF_PROG_SEC("cgroup/skb", BPF_PROG_TYPE_CGROUP_SKB), - BPF_PROG_SEC("cgroup/sock", BPF_PROG_TYPE_CGROUP_SOCK), - BPF_PROG_SEC("cgroup/dev", BPF_PROG_TYPE_CGROUP_DEVICE), - BPF_PROG_SEC("lwt_in", BPF_PROG_TYPE_LWT_IN), - BPF_PROG_SEC("lwt_out", BPF_PROG_TYPE_LWT_OUT), - BPF_PROG_SEC("lwt_xmit", BPF_PROG_TYPE_LWT_XMIT), - BPF_PROG_SEC("lwt_seg6local", BPF_PROG_TYPE_LWT_SEG6LOCAL), - BPF_PROG_SEC("sockops", BPF_PROG_TYPE_SOCK_OPS), - BPF_PROG_SEC("sk_skb", BPF_PROG_TYPE_SK_SKB), - BPF_PROG_SEC("sk_msg", BPF_PROG_TYPE_SK_MSG), - BPF_PROG_SEC("lirc_mode2", BPF_PROG_TYPE_LIRC_MODE2), - BPF_SA_PROG_SEC("cgroup/bind4", BPF_CGROUP_INET4_BIND), - BPF_SA_PROG_SEC("cgroup/bind6", BPF_CGROUP_INET6_BIND), - BPF_SA_PROG_SEC("cgroup/connect4", BPF_CGROUP_INET4_CONNECT), - BPF_SA_PROG_SEC("cgroup/connect6", BPF_CGROUP_INET6_CONNECT), - BPF_SA_PROG_SEC("cgroup/sendmsg4", BPF_CGROUP_UDP4_SENDMSG), - BPF_SA_PROG_SEC("cgroup/sendmsg6", BPF_CGROUP_UDP6_SENDMSG), - BPF_S_PROG_SEC("cgroup/post_bind4", BPF_CGROUP_INET4_POST_BIND), - BPF_S_PROG_SEC("cgroup/post_bind6", BPF_CGROUP_INET6_POST_BIND), + BPF_PROG_SEC("socket", BPF_PROG_TYPE_SOCKET_FILTER), + BPF_PROG_SEC("kprobe/", BPF_PROG_TYPE_KPROBE), + BPF_PROG_SEC("kretprobe/", BPF_PROG_TYPE_KPROBE), + BPF_PROG_SEC("classifier", BPF_PROG_TYPE_SCHED_CLS), + BPF_PROG_SEC("action", BPF_PROG_TYPE_SCHED_ACT), + BPF_PROG_SEC("tracepoint/", BPF_PROG_TYPE_TRACEPOINT), + BPF_PROG_SEC("raw_tracepoint/", BPF_PROG_TYPE_RAW_TRACEPOINT), + BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP), + BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT), + BPF_PROG_SEC("lwt_in", BPF_PROG_TYPE_LWT_IN), + BPF_PROG_SEC("lwt_out", BPF_PROG_TYPE_LWT_OUT), + BPF_PROG_SEC("lwt_xmit", BPF_PROG_TYPE_LWT_XMIT), + BPF_PROG_SEC("lwt_seg6local", BPF_PROG_TYPE_LWT_SEG6LOCAL), + BPF_APROG_SEC("cgroup_skb/ingress", BPF_PROG_TYPE_CGROUP_SKB, + BPF_CGROUP_INET_INGRESS), + BPF_APROG_SEC("cgroup_skb/egress", BPF_PROG_TYPE_CGROUP_SKB, + BPF_CGROUP_INET_EGRESS), + BPF_APROG_COMPAT("cgroup/skb", BPF_PROG_TYPE_CGROUP_SKB), + BPF_APROG_SEC("cgroup/sock", BPF_PROG_TYPE_CGROUP_SOCK, + BPF_CGROUP_INET_SOCK_CREATE), + BPF_EAPROG_SEC("cgroup/post_bind4", BPF_PROG_TYPE_CGROUP_SOCK, + BPF_CGROUP_INET4_POST_BIND), + BPF_EAPROG_SEC("cgroup/post_bind6", BPF_PROG_TYPE_CGROUP_SOCK, + BPF_CGROUP_INET6_POST_BIND), + BPF_APROG_SEC("cgroup/dev", BPF_PROG_TYPE_CGROUP_DEVICE, + BPF_CGROUP_DEVICE), + BPF_APROG_SEC("sockops", BPF_PROG_TYPE_SOCK_OPS, + BPF_CGROUP_SOCK_OPS), + BPF_APROG_SEC("sk_skb/stream_parser", BPF_PROG_TYPE_SK_SKB, + BPF_SK_SKB_STREAM_PARSER), + BPF_APROG_SEC("sk_skb/stream_verdict", BPF_PROG_TYPE_SK_SKB, + BPF_SK_SKB_STREAM_VERDICT), + BPF_APROG_COMPAT("sk_skb", BPF_PROG_TYPE_SK_SKB), + BPF_APROG_SEC("sk_msg", BPF_PROG_TYPE_SK_MSG, + BPF_SK_MSG_VERDICT), + BPF_APROG_SEC("lirc_mode2", BPF_PROG_TYPE_LIRC_MODE2, + BPF_LIRC_MODE2), + BPF_APROG_SEC("flow_dissector", BPF_PROG_TYPE_FLOW_DISSECTOR, + BPF_FLOW_DISSECTOR), + BPF_EAPROG_SEC("cgroup/bind4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_INET4_BIND), + BPF_EAPROG_SEC("cgroup/bind6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_INET6_BIND), + BPF_EAPROG_SEC("cgroup/connect4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_INET4_CONNECT), + BPF_EAPROG_SEC("cgroup/connect6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_INET6_CONNECT), + BPF_EAPROG_SEC("cgroup/sendmsg4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_UDP4_SENDMSG), + BPF_EAPROG_SEC("cgroup/sendmsg6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR, + BPF_CGROUP_UDP6_SENDMSG), }; +#undef BPF_PROG_SEC_IMPL #undef BPF_PROG_SEC -#undef BPF_PROG_SEC_FULL -#undef BPF_S_PROG_SEC -#undef BPF_SA_PROG_SEC +#undef BPF_APROG_SEC +#undef BPF_EAPROG_SEC +#undef BPF_APROG_COMPAT int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type, enum bpf_attach_type *expected_attach_type) @@ -2154,6 +2188,25 @@ int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type, return -EINVAL; } +int libbpf_attach_type_by_name(const char *name, + enum bpf_attach_type *attach_type) +{ + int i; + + if (!name) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(section_names); i++) { + if (strncmp(name, section_names[i].sec, section_names[i].len)) + continue; + if (!section_names[i].is_attachable) + return -EINVAL; + *attach_type = section_names[i].attach_type; + return 0; + } + return -EINVAL; +} + static int bpf_program__identify_section(struct bpf_program *prog, enum bpf_prog_type *prog_type, @@ -2336,7 +2389,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr, bpf_program__set_expected_attach_type(prog, expected_attach_type); - if (!bpf_program__is_function_storage(prog, obj) && !first_prog) + if (!first_prog) first_prog = prog; } @@ -2363,61 +2416,49 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr, } enum bpf_perf_event_ret -bpf_perf_event_read_simple(void *mem, unsigned long size, - unsigned long page_size, void **buf, size_t *buf_len, - bpf_perf_event_print_t fn, void *priv) +bpf_perf_event_read_simple(void *mmap_mem, size_t mmap_size, size_t page_size, + void **copy_mem, size_t *copy_size, + bpf_perf_event_print_t fn, void *private_data) { - volatile struct perf_event_mmap_page *header = mem; + struct perf_event_mmap_page *header = mmap_mem; + __u64 data_head = ring_buffer_read_head(header); __u64 data_tail = header->data_tail; - __u64 data_head = header->data_head; - int ret = LIBBPF_PERF_EVENT_ERROR; - void *base, *begin, *end; - - asm volatile("" ::: "memory"); /* in real code it should be smp_rmb() */ - if (data_head == data_tail) - return LIBBPF_PERF_EVENT_CONT; - - base = ((char *)header) + page_size; - - begin = base + data_tail % size; - end = base + data_head % size; - - while (begin != end) { - struct perf_event_header *ehdr; - - ehdr = begin; - if (begin + ehdr->size > base + size) { - long len = base + size - begin; - - if (*buf_len < ehdr->size) { - free(*buf); - *buf = malloc(ehdr->size); - if (!*buf) { + void *base = ((__u8 *)header) + page_size; + int ret = LIBBPF_PERF_EVENT_CONT; + struct perf_event_header *ehdr; + size_t ehdr_size; + + while (data_head != data_tail) { + ehdr = base + (data_tail & (mmap_size - 1)); + ehdr_size = ehdr->size; + + if (((void *)ehdr) + ehdr_size > base + mmap_size) { + void *copy_start = ehdr; + size_t len_first = base + mmap_size - copy_start; + size_t len_secnd = ehdr_size - len_first; + + if (*copy_size < ehdr_size) { + free(*copy_mem); + *copy_mem = malloc(ehdr_size); + if (!*copy_mem) { + *copy_size = 0; ret = LIBBPF_PERF_EVENT_ERROR; break; } - *buf_len = ehdr->size; + *copy_size = ehdr_size; } - memcpy(*buf, begin, len); - memcpy(*buf + len, base, ehdr->size - len); - ehdr = (void *)*buf; - begin = base + ehdr->size - len; - } else if (begin + ehdr->size == base + size) { - begin = base; - } else { - begin += ehdr->size; + memcpy(*copy_mem, copy_start, len_first); + memcpy(*copy_mem + len_first, base, len_secnd); + ehdr = *copy_mem; } - ret = fn(ehdr, priv); + ret = fn(ehdr, private_data); + data_tail += ehdr_size; if (ret != LIBBPF_PERF_EVENT_CONT) break; - - data_tail += ehdr->size; } - __sync_synchronize(); /* smp_mb() */ - header->data_tail = data_tail; - + ring_buffer_write_tail(header, data_tail); return ret; } diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 96c55fac54c3..1f3468dad8b2 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: LGPL-2.1 */ +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ /* * Common eBPF ELF object loading operations. @@ -6,22 +6,9 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License (not later!) - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses> */ -#ifndef __BPF_LIBBPF_H -#define __BPF_LIBBPF_H +#ifndef __LIBBPF_LIBBPF_H +#define __LIBBPF_LIBBPF_H #include <stdio.h> #include <stdint.h> @@ -29,6 +16,10 @@ #include <sys/types.h> // for size_t #include <linux/bpf.h> +#ifndef LIBBPF_API +#define LIBBPF_API __attribute__((visibility("default"))) +#endif + enum libbpf_errno { __LIBBPF_ERRNO__START = 4000, @@ -46,10 +37,11 @@ enum libbpf_errno { LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */ LIBBPF_ERRNO__WRNGPID, /* Wrong pid in netlink message */ LIBBPF_ERRNO__INVSEQ, /* Invalid netlink sequence */ + LIBBPF_ERRNO__NLPARSE, /* netlink parsing error */ __LIBBPF_ERRNO__END, }; -int libbpf_strerror(int err, char *buf, size_t size); +LIBBPF_API int libbpf_strerror(int err, char *buf, size_t size); /* * __printf is defined in include/linux/compiler-gcc.h. However, @@ -59,9 +51,9 @@ int libbpf_strerror(int err, char *buf, size_t size); typedef int (*libbpf_print_fn_t)(const char *, ...) __attribute__((format(printf, 1, 2))); -void libbpf_set_print(libbpf_print_fn_t warn, - libbpf_print_fn_t info, - libbpf_print_fn_t debug); +LIBBPF_API void libbpf_set_print(libbpf_print_fn_t warn, + libbpf_print_fn_t info, + libbpf_print_fn_t debug); /* Hide internal to user */ struct bpf_object; @@ -71,25 +63,28 @@ struct bpf_object_open_attr { enum bpf_prog_type prog_type; }; -struct bpf_object *bpf_object__open(const char *path); -struct bpf_object *bpf_object__open_xattr(struct bpf_object_open_attr *attr); -struct bpf_object *bpf_object__open_buffer(void *obj_buf, - size_t obj_buf_sz, - const char *name); -int bpf_object__pin(struct bpf_object *object, const char *path); -void bpf_object__close(struct bpf_object *object); +LIBBPF_API struct bpf_object *bpf_object__open(const char *path); +LIBBPF_API struct bpf_object * +bpf_object__open_xattr(struct bpf_object_open_attr *attr); +struct bpf_object *__bpf_object__open_xattr(struct bpf_object_open_attr *attr, + int flags); +LIBBPF_API struct bpf_object *bpf_object__open_buffer(void *obj_buf, + size_t obj_buf_sz, + const char *name); +LIBBPF_API int bpf_object__pin(struct bpf_object *object, const char *path); +LIBBPF_API void bpf_object__close(struct bpf_object *object); /* Load/unload object into/from kernel */ -int bpf_object__load(struct bpf_object *obj); -int bpf_object__unload(struct bpf_object *obj); -const char *bpf_object__name(struct bpf_object *obj); -unsigned int bpf_object__kversion(struct bpf_object *obj); -int bpf_object__btf_fd(const struct bpf_object *obj); +LIBBPF_API int bpf_object__load(struct bpf_object *obj); +LIBBPF_API int bpf_object__unload(struct bpf_object *obj); +LIBBPF_API const char *bpf_object__name(struct bpf_object *obj); +LIBBPF_API unsigned int bpf_object__kversion(struct bpf_object *obj); +LIBBPF_API int bpf_object__btf_fd(const struct bpf_object *obj); -struct bpf_program * +LIBBPF_API struct bpf_program * bpf_object__find_program_by_title(struct bpf_object *obj, const char *title); -struct bpf_object *bpf_object__next(struct bpf_object *prev); +LIBBPF_API struct bpf_object *bpf_object__next(struct bpf_object *prev); #define bpf_object__for_each_safe(pos, tmp) \ for ((pos) = bpf_object__next(NULL), \ (tmp) = bpf_object__next(pos); \ @@ -97,17 +92,20 @@ struct bpf_object *bpf_object__next(struct bpf_object *prev); (pos) = (tmp), (tmp) = bpf_object__next(tmp)) typedef void (*bpf_object_clear_priv_t)(struct bpf_object *, void *); -int bpf_object__set_priv(struct bpf_object *obj, void *priv, - bpf_object_clear_priv_t clear_priv); -void *bpf_object__priv(struct bpf_object *prog); +LIBBPF_API int bpf_object__set_priv(struct bpf_object *obj, void *priv, + bpf_object_clear_priv_t clear_priv); +LIBBPF_API void *bpf_object__priv(struct bpf_object *prog); -int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type, - enum bpf_attach_type *expected_attach_type); +LIBBPF_API int +libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type, + enum bpf_attach_type *expected_attach_type); +LIBBPF_API int libbpf_attach_type_by_name(const char *name, + enum bpf_attach_type *attach_type); /* Accessors of bpf_program */ struct bpf_program; -struct bpf_program *bpf_program__next(struct bpf_program *prog, - struct bpf_object *obj); +LIBBPF_API struct bpf_program *bpf_program__next(struct bpf_program *prog, + struct bpf_object *obj); #define bpf_object__for_each_program(pos, obj) \ for ((pos) = bpf_program__next(NULL, (obj)); \ @@ -117,18 +115,24 @@ struct bpf_program *bpf_program__next(struct bpf_program *prog, typedef void (*bpf_program_clear_priv_t)(struct bpf_program *, void *); -int bpf_program__set_priv(struct bpf_program *prog, void *priv, - bpf_program_clear_priv_t clear_priv); +LIBBPF_API int bpf_program__set_priv(struct bpf_program *prog, void *priv, + bpf_program_clear_priv_t clear_priv); -void *bpf_program__priv(struct bpf_program *prog); -void bpf_program__set_ifindex(struct bpf_program *prog, __u32 ifindex); +LIBBPF_API void *bpf_program__priv(struct bpf_program *prog); +LIBBPF_API void bpf_program__set_ifindex(struct bpf_program *prog, + __u32 ifindex); -const char *bpf_program__title(struct bpf_program *prog, bool needs_copy); +LIBBPF_API const char *bpf_program__title(struct bpf_program *prog, + bool needs_copy); -int bpf_program__fd(struct bpf_program *prog); -int bpf_program__pin_instance(struct bpf_program *prog, const char *path, - int instance); -int bpf_program__pin(struct bpf_program *prog, const char *path); +LIBBPF_API int bpf_program__load(struct bpf_program *prog, char *license, + __u32 kern_version); +LIBBPF_API int bpf_program__fd(struct bpf_program *prog); +LIBBPF_API int bpf_program__pin_instance(struct bpf_program *prog, + const char *path, + int instance); +LIBBPF_API int bpf_program__pin(struct bpf_program *prog, const char *path); +LIBBPF_API void bpf_program__unload(struct bpf_program *prog); struct bpf_insn; @@ -189,34 +193,36 @@ typedef int (*bpf_program_prep_t)(struct bpf_program *prog, int n, struct bpf_insn *insns, int insns_cnt, struct bpf_prog_prep_result *res); -int bpf_program__set_prep(struct bpf_program *prog, int nr_instance, - bpf_program_prep_t prep); +LIBBPF_API int bpf_program__set_prep(struct bpf_program *prog, int nr_instance, + bpf_program_prep_t prep); -int bpf_program__nth_fd(struct bpf_program *prog, int n); +LIBBPF_API int bpf_program__nth_fd(struct bpf_program *prog, int n); /* * Adjust type of BPF program. Default is kprobe. */ -int bpf_program__set_socket_filter(struct bpf_program *prog); -int bpf_program__set_tracepoint(struct bpf_program *prog); -int bpf_program__set_raw_tracepoint(struct bpf_program *prog); -int bpf_program__set_kprobe(struct bpf_program *prog); -int bpf_program__set_sched_cls(struct bpf_program *prog); -int bpf_program__set_sched_act(struct bpf_program *prog); -int bpf_program__set_xdp(struct bpf_program *prog); -int bpf_program__set_perf_event(struct bpf_program *prog); -void bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type); -void bpf_program__set_expected_attach_type(struct bpf_program *prog, - enum bpf_attach_type type); - -bool bpf_program__is_socket_filter(struct bpf_program *prog); -bool bpf_program__is_tracepoint(struct bpf_program *prog); -bool bpf_program__is_raw_tracepoint(struct bpf_program *prog); -bool bpf_program__is_kprobe(struct bpf_program *prog); -bool bpf_program__is_sched_cls(struct bpf_program *prog); -bool bpf_program__is_sched_act(struct bpf_program *prog); -bool bpf_program__is_xdp(struct bpf_program *prog); -bool bpf_program__is_perf_event(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_socket_filter(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_tracepoint(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_raw_tracepoint(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_kprobe(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_sched_cls(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_sched_act(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_xdp(struct bpf_program *prog); +LIBBPF_API int bpf_program__set_perf_event(struct bpf_program *prog); +LIBBPF_API void bpf_program__set_type(struct bpf_program *prog, + enum bpf_prog_type type); +LIBBPF_API void +bpf_program__set_expected_attach_type(struct bpf_program *prog, + enum bpf_attach_type type); + +LIBBPF_API bool bpf_program__is_socket_filter(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_tracepoint(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_raw_tracepoint(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_kprobe(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_sched_cls(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_sched_act(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_xdp(struct bpf_program *prog); +LIBBPF_API bool bpf_program__is_perf_event(struct bpf_program *prog); /* * No need for __attribute__((packed)), all members of 'bpf_map_def' @@ -237,39 +243,39 @@ struct bpf_map_def { * so no need to worry about a name clash. */ struct bpf_map; -struct bpf_map * +LIBBPF_API struct bpf_map * bpf_object__find_map_by_name(struct bpf_object *obj, const char *name); /* * Get bpf_map through the offset of corresponding struct bpf_map_def * in the BPF object file. */ -struct bpf_map * +LIBBPF_API struct bpf_map * bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset); -struct bpf_map * +LIBBPF_API struct bpf_map * bpf_map__next(struct bpf_map *map, struct bpf_object *obj); #define bpf_map__for_each(pos, obj) \ for ((pos) = bpf_map__next(NULL, (obj)); \ (pos) != NULL; \ (pos) = bpf_map__next((pos), (obj))) -int bpf_map__fd(struct bpf_map *map); -const struct bpf_map_def *bpf_map__def(struct bpf_map *map); -const char *bpf_map__name(struct bpf_map *map); -__u32 bpf_map__btf_key_type_id(const struct bpf_map *map); -__u32 bpf_map__btf_value_type_id(const struct bpf_map *map); +LIBBPF_API int bpf_map__fd(struct bpf_map *map); +LIBBPF_API const struct bpf_map_def *bpf_map__def(struct bpf_map *map); +LIBBPF_API const char *bpf_map__name(struct bpf_map *map); +LIBBPF_API __u32 bpf_map__btf_key_type_id(const struct bpf_map *map); +LIBBPF_API __u32 bpf_map__btf_value_type_id(const struct bpf_map *map); typedef void (*bpf_map_clear_priv_t)(struct bpf_map *, void *); -int bpf_map__set_priv(struct bpf_map *map, void *priv, - bpf_map_clear_priv_t clear_priv); -void *bpf_map__priv(struct bpf_map *map); -int bpf_map__reuse_fd(struct bpf_map *map, int fd); -bool bpf_map__is_offload_neutral(struct bpf_map *map); -void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex); -int bpf_map__pin(struct bpf_map *map, const char *path); +LIBBPF_API int bpf_map__set_priv(struct bpf_map *map, void *priv, + bpf_map_clear_priv_t clear_priv); +LIBBPF_API void *bpf_map__priv(struct bpf_map *map); +LIBBPF_API int bpf_map__reuse_fd(struct bpf_map *map, int fd); +LIBBPF_API bool bpf_map__is_offload_neutral(struct bpf_map *map); +LIBBPF_API void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex); +LIBBPF_API int bpf_map__pin(struct bpf_map *map, const char *path); -long libbpf_get_error(const void *ptr); +LIBBPF_API long libbpf_get_error(const void *ptr); struct bpf_prog_load_attr { const char *file; @@ -278,12 +284,12 @@ struct bpf_prog_load_attr { int ifindex; }; -int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr, - struct bpf_object **pobj, int *prog_fd); -int bpf_prog_load(const char *file, enum bpf_prog_type type, - struct bpf_object **pobj, int *prog_fd); +LIBBPF_API int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr, + struct bpf_object **pobj, int *prog_fd); +LIBBPF_API int bpf_prog_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd); -int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags); +LIBBPF_API int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags); enum bpf_perf_event_ret { LIBBPF_PERF_EVENT_DONE = 0, @@ -291,10 +297,24 @@ enum bpf_perf_event_ret { LIBBPF_PERF_EVENT_CONT = -2, }; -typedef enum bpf_perf_event_ret (*bpf_perf_event_print_t)(void *event, - void *priv); -int bpf_perf_event_read_simple(void *mem, unsigned long size, - unsigned long page_size, - void **buf, size_t *buf_len, - bpf_perf_event_print_t fn, void *priv); -#endif +struct perf_event_header; +typedef enum bpf_perf_event_ret + (*bpf_perf_event_print_t)(struct perf_event_header *hdr, + void *private_data); +LIBBPF_API enum bpf_perf_event_ret +bpf_perf_event_read_simple(void *mmap_mem, size_t mmap_size, size_t page_size, + void **copy_mem, size_t *copy_size, + bpf_perf_event_print_t fn, void *private_data); + +struct nlattr; +typedef int (*libbpf_dump_nlmsg_t)(void *cookie, void *msg, struct nlattr **tb); +int libbpf_netlink_open(unsigned int *nl_pid); +int libbpf_nl_get_link(int sock, unsigned int nl_pid, + libbpf_dump_nlmsg_t dump_link_nlmsg, void *cookie); +int libbpf_nl_get_class(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_class_nlmsg, void *cookie); +int libbpf_nl_get_qdisc(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_qdisc_nlmsg, void *cookie); +int libbpf_nl_get_filter(int sock, unsigned int nl_pid, int ifindex, int handle, + libbpf_dump_nlmsg_t dump_filter_nlmsg, void *cookie); +#endif /* __LIBBPF_LIBBPF_H */ diff --git a/tools/lib/bpf/libbpf_errno.c b/tools/lib/bpf/libbpf_errno.c index d9ba851bd7f9..d83b17f8435c 100644 --- a/tools/lib/bpf/libbpf_errno.c +++ b/tools/lib/bpf/libbpf_errno.c @@ -1,23 +1,10 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. * Copyright (C) 2017 Nicira, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License (not later!) - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses> */ #include <stdio.h> @@ -42,6 +29,7 @@ static const char *libbpf_strerror_table[NR_ERRNO] = { [ERRCODE_OFFSET(PROGTYPE)] = "Kernel doesn't support this program type", [ERRCODE_OFFSET(WRNGPID)] = "Wrong pid in netlink message", [ERRCODE_OFFSET(INVSEQ)] = "Invalid netlink sequence", + [ERRCODE_OFFSET(NLPARSE)] = "Incorrect netlink message parsing", }; int libbpf_strerror(int err, char *buf, size_t size) diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c new file mode 100644 index 000000000000..0ce67aea8f3b --- /dev/null +++ b/tools/lib/bpf/netlink.c @@ -0,0 +1,337 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +/* Copyright (c) 2018 Facebook */ + +#include <stdlib.h> +#include <memory.h> +#include <unistd.h> +#include <linux/bpf.h> +#include <linux/rtnetlink.h> +#include <sys/socket.h> +#include <errno.h> +#include <time.h> + +#include "bpf.h" +#include "libbpf.h" +#include "nlattr.h" + +#ifndef SOL_NETLINK +#define SOL_NETLINK 270 +#endif + +typedef int (*__dump_nlmsg_t)(struct nlmsghdr *nlmsg, libbpf_dump_nlmsg_t, + void *cookie); + +int libbpf_netlink_open(__u32 *nl_pid) +{ + struct sockaddr_nl sa; + socklen_t addrlen; + int one = 1, ret; + int sock; + + memset(&sa, 0, sizeof(sa)); + sa.nl_family = AF_NETLINK; + + sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + if (sock < 0) + return -errno; + + if (setsockopt(sock, SOL_NETLINK, NETLINK_EXT_ACK, + &one, sizeof(one)) < 0) { + fprintf(stderr, "Netlink error reporting not supported\n"); + } + + if (bind(sock, (struct sockaddr *)&sa, sizeof(sa)) < 0) { + ret = -errno; + goto cleanup; + } + + addrlen = sizeof(sa); + if (getsockname(sock, (struct sockaddr *)&sa, &addrlen) < 0) { + ret = -errno; + goto cleanup; + } + + if (addrlen != sizeof(sa)) { + ret = -LIBBPF_ERRNO__INTERNAL; + goto cleanup; + } + + *nl_pid = sa.nl_pid; + return sock; + +cleanup: + close(sock); + return ret; +} + +static int bpf_netlink_recv(int sock, __u32 nl_pid, int seq, + __dump_nlmsg_t _fn, libbpf_dump_nlmsg_t fn, + void *cookie) +{ + bool multipart = true; + struct nlmsgerr *err; + struct nlmsghdr *nh; + char buf[4096]; + int len, ret; + + while (multipart) { + multipart = false; + len = recv(sock, buf, sizeof(buf), 0); + if (len < 0) { + ret = -errno; + goto done; + } + + if (len == 0) + break; + + for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); + nh = NLMSG_NEXT(nh, len)) { + if (nh->nlmsg_pid != nl_pid) { + ret = -LIBBPF_ERRNO__WRNGPID; + goto done; + } + if (nh->nlmsg_seq != seq) { + ret = -LIBBPF_ERRNO__INVSEQ; + goto done; + } + if (nh->nlmsg_flags & NLM_F_MULTI) + multipart = true; + switch (nh->nlmsg_type) { + case NLMSG_ERROR: + err = (struct nlmsgerr *)NLMSG_DATA(nh); + if (!err->error) + continue; + ret = err->error; + libbpf_nla_dump_errormsg(nh); + goto done; + case NLMSG_DONE: + return 0; + default: + break; + } + if (_fn) { + ret = _fn(nh, fn, cookie); + if (ret) + return ret; + } + } + } + ret = 0; +done: + return ret; +} + +int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags) +{ + int sock, seq = 0, ret; + struct nlattr *nla, *nla_xdp; + struct { + struct nlmsghdr nh; + struct ifinfomsg ifinfo; + char attrbuf[64]; + } req; + __u32 nl_pid; + + sock = libbpf_netlink_open(&nl_pid); + if (sock < 0) + return sock; + + memset(&req, 0, sizeof(req)); + req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); + req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; + req.nh.nlmsg_type = RTM_SETLINK; + req.nh.nlmsg_pid = 0; + req.nh.nlmsg_seq = ++seq; + req.ifinfo.ifi_family = AF_UNSPEC; + req.ifinfo.ifi_index = ifindex; + + /* started nested attribute for XDP */ + nla = (struct nlattr *)(((char *)&req) + + NLMSG_ALIGN(req.nh.nlmsg_len)); + nla->nla_type = NLA_F_NESTED | IFLA_XDP; + nla->nla_len = NLA_HDRLEN; + + /* add XDP fd */ + nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len); + nla_xdp->nla_type = IFLA_XDP_FD; + nla_xdp->nla_len = NLA_HDRLEN + sizeof(int); + memcpy((char *)nla_xdp + NLA_HDRLEN, &fd, sizeof(fd)); + nla->nla_len += nla_xdp->nla_len; + + /* if user passed in any flags, add those too */ + if (flags) { + nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len); + nla_xdp->nla_type = IFLA_XDP_FLAGS; + nla_xdp->nla_len = NLA_HDRLEN + sizeof(flags); + memcpy((char *)nla_xdp + NLA_HDRLEN, &flags, sizeof(flags)); + nla->nla_len += nla_xdp->nla_len; + } + + req.nh.nlmsg_len += NLA_ALIGN(nla->nla_len); + + if (send(sock, &req, req.nh.nlmsg_len, 0) < 0) { + ret = -errno; + goto cleanup; + } + ret = bpf_netlink_recv(sock, nl_pid, seq, NULL, NULL, NULL); + +cleanup: + close(sock); + return ret; +} + +static int __dump_link_nlmsg(struct nlmsghdr *nlh, + libbpf_dump_nlmsg_t dump_link_nlmsg, void *cookie) +{ + struct nlattr *tb[IFLA_MAX + 1], *attr; + struct ifinfomsg *ifi = NLMSG_DATA(nlh); + int len; + + len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)); + attr = (struct nlattr *) ((void *) ifi + NLMSG_ALIGN(sizeof(*ifi))); + if (libbpf_nla_parse(tb, IFLA_MAX, attr, len, NULL) != 0) + return -LIBBPF_ERRNO__NLPARSE; + + return dump_link_nlmsg(cookie, ifi, tb); +} + +int libbpf_nl_get_link(int sock, unsigned int nl_pid, + libbpf_dump_nlmsg_t dump_link_nlmsg, void *cookie) +{ + struct { + struct nlmsghdr nlh; + struct ifinfomsg ifm; + } req = { + .nlh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), + .nlh.nlmsg_type = RTM_GETLINK, + .nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, + .ifm.ifi_family = AF_PACKET, + }; + int seq = time(NULL); + + req.nlh.nlmsg_seq = seq; + if (send(sock, &req, req.nlh.nlmsg_len, 0) < 0) + return -errno; + + return bpf_netlink_recv(sock, nl_pid, seq, __dump_link_nlmsg, + dump_link_nlmsg, cookie); +} + +static int __dump_class_nlmsg(struct nlmsghdr *nlh, + libbpf_dump_nlmsg_t dump_class_nlmsg, + void *cookie) +{ + struct nlattr *tb[TCA_MAX + 1], *attr; + struct tcmsg *t = NLMSG_DATA(nlh); + int len; + + len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); + attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + return -LIBBPF_ERRNO__NLPARSE; + + return dump_class_nlmsg(cookie, t, tb); +} + +int libbpf_nl_get_class(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_class_nlmsg, void *cookie) +{ + struct { + struct nlmsghdr nlh; + struct tcmsg t; + } req = { + .nlh.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)), + .nlh.nlmsg_type = RTM_GETTCLASS, + .nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, + .t.tcm_family = AF_UNSPEC, + .t.tcm_ifindex = ifindex, + }; + int seq = time(NULL); + + req.nlh.nlmsg_seq = seq; + if (send(sock, &req, req.nlh.nlmsg_len, 0) < 0) + return -errno; + + return bpf_netlink_recv(sock, nl_pid, seq, __dump_class_nlmsg, + dump_class_nlmsg, cookie); +} + +static int __dump_qdisc_nlmsg(struct nlmsghdr *nlh, + libbpf_dump_nlmsg_t dump_qdisc_nlmsg, + void *cookie) +{ + struct nlattr *tb[TCA_MAX + 1], *attr; + struct tcmsg *t = NLMSG_DATA(nlh); + int len; + + len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); + attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + return -LIBBPF_ERRNO__NLPARSE; + + return dump_qdisc_nlmsg(cookie, t, tb); +} + +int libbpf_nl_get_qdisc(int sock, unsigned int nl_pid, int ifindex, + libbpf_dump_nlmsg_t dump_qdisc_nlmsg, void *cookie) +{ + struct { + struct nlmsghdr nlh; + struct tcmsg t; + } req = { + .nlh.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)), + .nlh.nlmsg_type = RTM_GETQDISC, + .nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, + .t.tcm_family = AF_UNSPEC, + .t.tcm_ifindex = ifindex, + }; + int seq = time(NULL); + + req.nlh.nlmsg_seq = seq; + if (send(sock, &req, req.nlh.nlmsg_len, 0) < 0) + return -errno; + + return bpf_netlink_recv(sock, nl_pid, seq, __dump_qdisc_nlmsg, + dump_qdisc_nlmsg, cookie); +} + +static int __dump_filter_nlmsg(struct nlmsghdr *nlh, + libbpf_dump_nlmsg_t dump_filter_nlmsg, + void *cookie) +{ + struct nlattr *tb[TCA_MAX + 1], *attr; + struct tcmsg *t = NLMSG_DATA(nlh); + int len; + + len = nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*t)); + attr = (struct nlattr *) ((void *) t + NLMSG_ALIGN(sizeof(*t))); + if (libbpf_nla_parse(tb, TCA_MAX, attr, len, NULL) != 0) + return -LIBBPF_ERRNO__NLPARSE; + + return dump_filter_nlmsg(cookie, t, tb); +} + +int libbpf_nl_get_filter(int sock, unsigned int nl_pid, int ifindex, int handle, + libbpf_dump_nlmsg_t dump_filter_nlmsg, void *cookie) +{ + struct { + struct nlmsghdr nlh; + struct tcmsg t; + } req = { + .nlh.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)), + .nlh.nlmsg_type = RTM_GETTFILTER, + .nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST, + .t.tcm_family = AF_UNSPEC, + .t.tcm_ifindex = ifindex, + .t.tcm_parent = handle, + }; + int seq = time(NULL); + + req.nlh.nlmsg_seq = seq; + if (send(sock, &req, req.nlh.nlmsg_len, 0) < 0) + return -errno; + + return bpf_netlink_recv(sock, nl_pid, seq, __dump_filter_nlmsg, + dump_filter_nlmsg, cookie); +} diff --git a/tools/lib/bpf/nlattr.c b/tools/lib/bpf/nlattr.c index 4719434278b2..1e69c0c8d413 100644 --- a/tools/lib/bpf/nlattr.c +++ b/tools/lib/bpf/nlattr.c @@ -1,13 +1,8 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) /* * NETLINK Netlink attributes * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation version 2.1 - * of the License. - * * Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch> */ @@ -17,20 +12,15 @@ #include <string.h> #include <stdio.h> -static uint16_t nla_attr_minlen[NLA_TYPE_MAX+1] = { - [NLA_U8] = sizeof(uint8_t), - [NLA_U16] = sizeof(uint16_t), - [NLA_U32] = sizeof(uint32_t), - [NLA_U64] = sizeof(uint64_t), - [NLA_STRING] = 1, - [NLA_FLAG] = 0, +static uint16_t nla_attr_minlen[LIBBPF_NLA_TYPE_MAX+1] = { + [LIBBPF_NLA_U8] = sizeof(uint8_t), + [LIBBPF_NLA_U16] = sizeof(uint16_t), + [LIBBPF_NLA_U32] = sizeof(uint32_t), + [LIBBPF_NLA_U64] = sizeof(uint64_t), + [LIBBPF_NLA_STRING] = 1, + [LIBBPF_NLA_FLAG] = 0, }; -static int nla_len(const struct nlattr *nla) -{ - return nla->nla_len - NLA_HDRLEN; -} - static struct nlattr *nla_next(const struct nlattr *nla, int *remaining) { int totlen = NLA_ALIGN(nla->nla_len); @@ -46,20 +36,15 @@ static int nla_ok(const struct nlattr *nla, int remaining) nla->nla_len <= remaining; } -static void *nla_data(const struct nlattr *nla) -{ - return (char *) nla + NLA_HDRLEN; -} - static int nla_type(const struct nlattr *nla) { return nla->nla_type & NLA_TYPE_MASK; } static int validate_nla(struct nlattr *nla, int maxtype, - struct nla_policy *policy) + struct libbpf_nla_policy *policy) { - struct nla_policy *pt; + struct libbpf_nla_policy *pt; unsigned int minlen = 0; int type = nla_type(nla); @@ -68,23 +53,24 @@ static int validate_nla(struct nlattr *nla, int maxtype, pt = &policy[type]; - if (pt->type > NLA_TYPE_MAX) + if (pt->type > LIBBPF_NLA_TYPE_MAX) return 0; if (pt->minlen) minlen = pt->minlen; - else if (pt->type != NLA_UNSPEC) + else if (pt->type != LIBBPF_NLA_UNSPEC) minlen = nla_attr_minlen[pt->type]; - if (nla_len(nla) < minlen) + if (libbpf_nla_len(nla) < minlen) return -1; - if (pt->maxlen && nla_len(nla) > pt->maxlen) + if (pt->maxlen && libbpf_nla_len(nla) > pt->maxlen) return -1; - if (pt->type == NLA_STRING) { - char *data = nla_data(nla); - if (data[nla_len(nla) - 1] != '\0') + if (pt->type == LIBBPF_NLA_STRING) { + char *data = libbpf_nla_data(nla); + + if (data[libbpf_nla_len(nla) - 1] != '\0') return -1; } @@ -114,15 +100,15 @@ static inline int nlmsg_len(const struct nlmsghdr *nlh) * @see nla_validate * @return 0 on success or a negative error code. */ -static int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len, - struct nla_policy *policy) +int libbpf_nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, + int len, struct libbpf_nla_policy *policy) { struct nlattr *nla; int rem, err; memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1)); - nla_for_each_attr(nla, head, len, rem) { + libbpf_nla_for_each_attr(nla, head, len, rem) { int type = nla_type(nla); if (type > maxtype) @@ -146,12 +132,33 @@ errout: return err; } +/** + * Create attribute index based on nested attribute + * @arg tb Index array to be filled (maxtype+1 elements). + * @arg maxtype Maximum attribute type expected and accepted. + * @arg nla Nested Attribute. + * @arg policy Attribute validation policy. + * + * Feeds the stream of attributes nested into the specified attribute + * to libbpf_nla_parse(). + * + * @see libbpf_nla_parse + * @return 0 on success or a negative error code. + */ +int libbpf_nla_parse_nested(struct nlattr *tb[], int maxtype, + struct nlattr *nla, + struct libbpf_nla_policy *policy) +{ + return libbpf_nla_parse(tb, maxtype, libbpf_nla_data(nla), + libbpf_nla_len(nla), policy); +} + /* dump netlink extended ack error message */ -int nla_dump_errormsg(struct nlmsghdr *nlh) +int libbpf_nla_dump_errormsg(struct nlmsghdr *nlh) { - struct nla_policy extack_policy[NLMSGERR_ATTR_MAX + 1] = { - [NLMSGERR_ATTR_MSG] = { .type = NLA_STRING }, - [NLMSGERR_ATTR_OFFS] = { .type = NLA_U32 }, + struct libbpf_nla_policy extack_policy[NLMSGERR_ATTR_MAX + 1] = { + [NLMSGERR_ATTR_MSG] = { .type = LIBBPF_NLA_STRING }, + [NLMSGERR_ATTR_OFFS] = { .type = LIBBPF_NLA_U32 }, }; struct nlattr *tb[NLMSGERR_ATTR_MAX + 1], *attr; struct nlmsgerr *err; @@ -172,14 +179,15 @@ int nla_dump_errormsg(struct nlmsghdr *nlh) attr = (struct nlattr *) ((void *) err + hlen); alen = nlh->nlmsg_len - hlen; - if (nla_parse(tb, NLMSGERR_ATTR_MAX, attr, alen, extack_policy) != 0) { + if (libbpf_nla_parse(tb, NLMSGERR_ATTR_MAX, attr, alen, + extack_policy) != 0) { fprintf(stderr, "Failed to parse extended error attributes\n"); return 0; } if (tb[NLMSGERR_ATTR_MSG]) - errmsg = (char *) nla_data(tb[NLMSGERR_ATTR_MSG]); + errmsg = (char *) libbpf_nla_data(tb[NLMSGERR_ATTR_MSG]); fprintf(stderr, "Kernel error message: %s\n", errmsg); diff --git a/tools/lib/bpf/nlattr.h b/tools/lib/bpf/nlattr.h index 931a71f68f93..6cc3ac91690f 100644 --- a/tools/lib/bpf/nlattr.h +++ b/tools/lib/bpf/nlattr.h @@ -1,18 +1,13 @@ -/* SPDX-License-Identifier: LGPL-2.1 */ +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ /* * NETLINK Netlink attributes * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation version 2.1 - * of the License. - * * Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch> */ -#ifndef __NLATTR_H -#define __NLATTR_H +#ifndef __LIBBPF_NLATTR_H +#define __LIBBPF_NLATTR_H #include <stdint.h> #include <linux/netlink.h> @@ -23,19 +18,19 @@ * Standard attribute types to specify validation policy */ enum { - NLA_UNSPEC, /**< Unspecified type, binary data chunk */ - NLA_U8, /**< 8 bit integer */ - NLA_U16, /**< 16 bit integer */ - NLA_U32, /**< 32 bit integer */ - NLA_U64, /**< 64 bit integer */ - NLA_STRING, /**< NUL terminated character string */ - NLA_FLAG, /**< Flag */ - NLA_MSECS, /**< Micro seconds (64bit) */ - NLA_NESTED, /**< Nested attributes */ - __NLA_TYPE_MAX, + LIBBPF_NLA_UNSPEC, /**< Unspecified type, binary data chunk */ + LIBBPF_NLA_U8, /**< 8 bit integer */ + LIBBPF_NLA_U16, /**< 16 bit integer */ + LIBBPF_NLA_U32, /**< 32 bit integer */ + LIBBPF_NLA_U64, /**< 64 bit integer */ + LIBBPF_NLA_STRING, /**< NUL terminated character string */ + LIBBPF_NLA_FLAG, /**< Flag */ + LIBBPF_NLA_MSECS, /**< Micro seconds (64bit) */ + LIBBPF_NLA_NESTED, /**< Nested attributes */ + __LIBBPF_NLA_TYPE_MAX, }; -#define NLA_TYPE_MAX (__NLA_TYPE_MAX - 1) +#define LIBBPF_NLA_TYPE_MAX (__LIBBPF_NLA_TYPE_MAX - 1) /** * @ingroup attr @@ -43,8 +38,8 @@ enum { * * See section @core_doc{core_attr_parse,Attribute Parsing} for more details. */ -struct nla_policy { - /** Type of attribute or NLA_UNSPEC */ +struct libbpf_nla_policy { + /** Type of attribute or LIBBPF_NLA_UNSPEC */ uint16_t type; /** Minimal length of payload required */ @@ -62,11 +57,50 @@ struct nla_policy { * @arg len length of attribute stream * @arg rem initialized to len, holds bytes currently remaining in stream */ -#define nla_for_each_attr(pos, head, len, rem) \ +#define libbpf_nla_for_each_attr(pos, head, len, rem) \ for (pos = head, rem = len; \ nla_ok(pos, rem); \ pos = nla_next(pos, &(rem))) -int nla_dump_errormsg(struct nlmsghdr *nlh); +/** + * libbpf_nla_data - head of payload + * @nla: netlink attribute + */ +static inline void *libbpf_nla_data(const struct nlattr *nla) +{ + return (char *) nla + NLA_HDRLEN; +} + +static inline uint8_t libbpf_nla_getattr_u8(const struct nlattr *nla) +{ + return *(uint8_t *)libbpf_nla_data(nla); +} + +static inline uint32_t libbpf_nla_getattr_u32(const struct nlattr *nla) +{ + return *(uint32_t *)libbpf_nla_data(nla); +} + +static inline const char *libbpf_nla_getattr_str(const struct nlattr *nla) +{ + return (const char *)libbpf_nla_data(nla); +} + +/** + * libbpf_nla_len - length of payload + * @nla: netlink attribute + */ +static inline int libbpf_nla_len(const struct nlattr *nla) +{ + return nla->nla_len - NLA_HDRLEN; +} + +int libbpf_nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, + int len, struct libbpf_nla_policy *policy); +int libbpf_nla_parse_nested(struct nlattr *tb[], int maxtype, + struct nlattr *nla, + struct libbpf_nla_policy *policy); + +int libbpf_nla_dump_errormsg(struct nlmsghdr *nlh); -#endif /* __NLATTR_H */ +#endif /* __LIBBPF_NLATTR_H */ diff --git a/tools/lib/bpf/str_error.c b/tools/lib/bpf/str_error.c index b8798114a357..00e48ac5b806 100644 --- a/tools/lib/bpf/str_error.c +++ b/tools/lib/bpf/str_error.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) #undef _GNU_SOURCE #include <string.h> #include <stdio.h> @@ -9,7 +9,7 @@ * libc, while checking strerror_r() return to avoid having to check this in * all places calling it. */ -char *str_error(int err, char *dst, int len) +char *libbpf_strerror_r(int err, char *dst, int len) { int ret = strerror_r(err, dst, len); if (ret) diff --git a/tools/lib/bpf/str_error.h b/tools/lib/bpf/str_error.h index 355b1db571d1..a139334d57b6 100644 --- a/tools/lib/bpf/str_error.h +++ b/tools/lib/bpf/str_error.h @@ -1,6 +1,6 @@ -// SPDX-License-Identifier: LGPL-2.1 -#ifndef BPF_STR_ERROR -#define BPF_STR_ERROR +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ +#ifndef __LIBBPF_STR_ERROR_H +#define __LIBBPF_STR_ERROR_H -char *str_error(int err, char *dst, int len); -#endif // BPF_STR_ERROR +char *libbpf_strerror_r(int err, char *dst, int len); +#endif /* __LIBBPF_STR_ERROR_H */ diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c index 9997a8805a82..e3d47b59b14d 100644 --- a/tools/lib/subcmd/pager.c +++ b/tools/lib/subcmd/pager.c @@ -23,6 +23,13 @@ void pager_init(const char *pager_env) subcmd_config.pager_env = pager_env; } +static const char *forced_pager; + +void force_pager(const char *pager) +{ + forced_pager = pager; +} + static void pager_preexec(void) { /* @@ -66,7 +73,9 @@ void setup_pager(void) const char *pager = getenv(subcmd_config.pager_env); struct winsize sz; - if (!isatty(1)) + if (forced_pager) + pager = forced_pager; + if (!isatty(1) && !forced_pager) return; if (ioctl(1, TIOCGWINSZ, &sz) == 0) pager_columns = sz.ws_col; diff --git a/tools/lib/subcmd/pager.h b/tools/lib/subcmd/pager.h index f1a53cf29880..a818964693ab 100644 --- a/tools/lib/subcmd/pager.h +++ b/tools/lib/subcmd/pager.h @@ -7,5 +7,6 @@ extern void pager_init(const char *pager_env); extern void setup_pager(void); extern int pager_in_use(void); extern int pager_get_columns(void); +extern void force_pager(const char *); #endif /* __SUBCMD_PAGER_H */ diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c index cb7154eccbdc..dbb9efbf718a 100644 --- a/tools/lib/subcmd/parse-options.c +++ b/tools/lib/subcmd/parse-options.c @@ -116,6 +116,7 @@ static int get_value(struct parse_opt_ctx_t *p, case OPTION_INTEGER: case OPTION_UINTEGER: case OPTION_LONG: + case OPTION_ULONG: case OPTION_U64: default: break; @@ -166,6 +167,7 @@ static int get_value(struct parse_opt_ctx_t *p, case OPTION_INTEGER: case OPTION_UINTEGER: case OPTION_LONG: + case OPTION_ULONG: case OPTION_U64: default: break; @@ -295,6 +297,22 @@ static int get_value(struct parse_opt_ctx_t *p, return opterror(opt, "expects a numerical value", flags); return 0; + case OPTION_ULONG: + if (unset) { + *(unsigned long *)opt->value = 0; + return 0; + } + if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { + *(unsigned long *)opt->value = opt->defval; + return 0; + } + if (get_arg(p, opt, flags, &arg)) + return -1; + *(unsigned long *)opt->value = strtoul(arg, (char **)&s, 10); + if (*s) + return opterror(opt, "expects a numerical value", flags); + return 0; + case OPTION_U64: if (unset) { *(u64 *)opt->value = 0; @@ -703,6 +721,7 @@ static void print_option_help(const struct option *opts, int full) case OPTION_ARGUMENT: break; case OPTION_LONG: + case OPTION_ULONG: case OPTION_U64: case OPTION_INTEGER: case OPTION_UINTEGER: diff --git a/tools/lib/subcmd/parse-options.h b/tools/lib/subcmd/parse-options.h index 92fdbe1519f6..6ca2a8bfe716 100644 --- a/tools/lib/subcmd/parse-options.h +++ b/tools/lib/subcmd/parse-options.h @@ -25,6 +25,7 @@ enum parse_opt_type { OPTION_STRING, OPTION_INTEGER, OPTION_LONG, + OPTION_ULONG, OPTION_CALLBACK, OPTION_U64, OPTION_UINTEGER, @@ -133,6 +134,7 @@ struct option { #define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) } #define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) } #define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) } +#define OPT_ULONG(s, l, v, h) { .type = OPTION_ULONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned long *), .help = (h) } #define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) } #define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h) } #define OPT_STRING_OPTARG(s, l, v, a, h, d) \ diff --git a/tools/lib/traceevent/Build b/tools/lib/traceevent/Build index c681d0575d16..ba54bfce0b0b 100644 --- a/tools/lib/traceevent/Build +++ b/tools/lib/traceevent/Build @@ -4,6 +4,8 @@ libtraceevent-y += trace-seq.o libtraceevent-y += parse-filter.o libtraceevent-y += parse-utils.o libtraceevent-y += kbuffer-parse.o +libtraceevent-y += tep_strerror.o +libtraceevent-y += event-parse-api.o plugin_jbd2-y += plugin_jbd2.o plugin_hrtimer-y += plugin_hrtimer.o diff --git a/tools/lib/traceevent/event-parse-api.c b/tools/lib/traceevent/event-parse-api.c new file mode 100644 index 000000000000..61f7149085ee --- /dev/null +++ b/tools/lib/traceevent/event-parse-api.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + */ + +#include "event-parse.h" +#include "event-parse-local.h" +#include "event-utils.h" + +/** + * tep_get_first_event - returns the first event in the events array + * @tep: a handle to the tep_handle + * + * This returns pointer to the first element of the events array + * If @tep is NULL, NULL is returned. + */ +struct tep_event_format *tep_get_first_event(struct tep_handle *tep) +{ + if (tep && tep->events) + return tep->events[0]; + + return NULL; +} + +/** + * tep_get_events_count - get the number of defined events + * @tep: a handle to the tep_handle + * + * This returns number of elements in event array + * If @tep is NULL, 0 is returned. + */ +int tep_get_events_count(struct tep_handle *tep) +{ + if(tep) + return tep->nr_events; + return 0; +} + +/** + * tep_set_flag - set event parser flag + * @tep: a handle to the tep_handle + * @flag: flag, or combination of flags to be set + * can be any combination from enum tep_flag + * + * This sets a flag or mbination of flags from enum tep_flag + */ +void tep_set_flag(struct tep_handle *tep, int flag) +{ + if(tep) + tep->flags |= flag; +} + +unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data) +{ + unsigned short swap; + + if (!pevent || pevent->host_bigendian == pevent->file_bigendian) + return data; + + swap = ((data & 0xffULL) << 8) | + ((data & (0xffULL << 8)) >> 8); + + return swap; +} + +unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data) +{ + unsigned int swap; + + if (!pevent || pevent->host_bigendian == pevent->file_bigendian) + return data; + + swap = ((data & 0xffULL) << 24) | + ((data & (0xffULL << 8)) << 8) | + ((data & (0xffULL << 16)) >> 8) | + ((data & (0xffULL << 24)) >> 24); + + return swap; +} + +unsigned long long +__tep_data2host8(struct tep_handle *pevent, unsigned long long data) +{ + unsigned long long swap; + + if (!pevent || pevent->host_bigendian == pevent->file_bigendian) + return data; + + swap = ((data & 0xffULL) << 56) | + ((data & (0xffULL << 8)) << 40) | + ((data & (0xffULL << 16)) << 24) | + ((data & (0xffULL << 24)) << 8) | + ((data & (0xffULL << 32)) >> 8) | + ((data & (0xffULL << 40)) >> 24) | + ((data & (0xffULL << 48)) >> 40) | + ((data & (0xffULL << 56)) >> 56); + + return swap; +} + +/** + * tep_get_header_page_size - get size of the header page + * @pevent: a handle to the tep_handle + * + * This returns size of the header page + * If @pevent is NULL, 0 is returned. + */ +int tep_get_header_page_size(struct tep_handle *pevent) +{ + if(pevent) + return pevent->header_page_size_size; + return 0; +} + +/** + * tep_get_cpus - get the number of CPUs + * @pevent: a handle to the tep_handle + * + * This returns the number of CPUs + * If @pevent is NULL, 0 is returned. + */ +int tep_get_cpus(struct tep_handle *pevent) +{ + if(pevent) + return pevent->cpus; + return 0; +} + +/** + * tep_set_cpus - set the number of CPUs + * @pevent: a handle to the tep_handle + * + * This sets the number of CPUs + */ +void tep_set_cpus(struct tep_handle *pevent, int cpus) +{ + if(pevent) + pevent->cpus = cpus; +} + +/** + * tep_get_long_size - get the size of a long integer on the current machine + * @pevent: a handle to the tep_handle + * + * This returns the size of a long integer on the current machine + * If @pevent is NULL, 0 is returned. + */ +int tep_get_long_size(struct tep_handle *pevent) +{ + if(pevent) + return pevent->long_size; + return 0; +} + +/** + * tep_set_long_size - set the size of a long integer on the current machine + * @pevent: a handle to the tep_handle + * @size: size, in bytes, of a long integer + * + * This sets the size of a long integer on the current machine + */ +void tep_set_long_size(struct tep_handle *pevent, int long_size) +{ + if(pevent) + pevent->long_size = long_size; +} + +/** + * tep_get_page_size - get the size of a memory page on the current machine + * @pevent: a handle to the tep_handle + * + * This returns the size of a memory page on the current machine + * If @pevent is NULL, 0 is returned. + */ +int tep_get_page_size(struct tep_handle *pevent) +{ + if(pevent) + return pevent->page_size; + return 0; +} + +/** + * tep_set_page_size - set the size of a memory page on the current machine + * @pevent: a handle to the tep_handle + * @_page_size: size of a memory page, in bytes + * + * This sets the size of a memory page on the current machine + */ +void tep_set_page_size(struct tep_handle *pevent, int _page_size) +{ + if(pevent) + pevent->page_size = _page_size; +} + +/** + * tep_is_file_bigendian - get if the file is in big endian order + * @pevent: a handle to the tep_handle + * + * This returns if the file is in big endian order + * If @pevent is NULL, 0 is returned. + */ +int tep_is_file_bigendian(struct tep_handle *pevent) +{ + if(pevent) + return pevent->file_bigendian; + return 0; +} + +/** + * tep_set_file_bigendian - set if the file is in big endian order + * @pevent: a handle to the tep_handle + * @endian: non zero, if the file is in big endian order + * + * This sets if the file is in big endian order + */ +void tep_set_file_bigendian(struct tep_handle *pevent, enum tep_endian endian) +{ + if(pevent) + pevent->file_bigendian = endian; +} + +/** + * tep_is_host_bigendian - get if the order of the current host is big endian + * @pevent: a handle to the tep_handle + * + * This gets if the order of the current host is big endian + * If @pevent is NULL, 0 is returned. + */ +int tep_is_host_bigendian(struct tep_handle *pevent) +{ + if(pevent) + return pevent->host_bigendian; + return 0; +} + +/** + * tep_set_host_bigendian - set the order of the local host + * @pevent: a handle to the tep_handle + * @endian: non zero, if the local host has big endian order + * + * This sets the order of the local host + */ +void tep_set_host_bigendian(struct tep_handle *pevent, enum tep_endian endian) +{ + if(pevent) + pevent->host_bigendian = endian; +} + +/** + * tep_is_latency_format - get if the latency output format is configured + * @pevent: a handle to the tep_handle + * + * This gets if the latency output format is configured + * If @pevent is NULL, 0 is returned. + */ +int tep_is_latency_format(struct tep_handle *pevent) +{ + if(pevent) + return pevent->latency_format; + return 0; +} + +/** + * tep_set_latency_format - set the latency output format + * @pevent: a handle to the tep_handle + * @lat: non zero for latency output format + * + * This sets the latency output format + */ +void tep_set_latency_format(struct tep_handle *pevent, int lat) +{ + if(pevent) + pevent->latency_format = lat; +} diff --git a/tools/lib/traceevent/event-parse-local.h b/tools/lib/traceevent/event-parse-local.h new file mode 100644 index 000000000000..b9bddde577f8 --- /dev/null +++ b/tools/lib/traceevent/event-parse-local.h @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + */ + +#ifndef _PARSE_EVENTS_INT_H +#define _PARSE_EVENTS_INT_H + +struct cmdline; +struct cmdline_list; +struct func_map; +struct func_list; +struct event_handler; +struct func_resolver; + +struct tep_handle { + int ref_count; + + int header_page_ts_offset; + int header_page_ts_size; + int header_page_size_offset; + int header_page_size_size; + int header_page_data_offset; + int header_page_data_size; + int header_page_overwrite; + + enum tep_endian file_bigendian; + enum tep_endian host_bigendian; + + int latency_format; + + int old_format; + + int cpus; + int long_size; + int page_size; + + struct cmdline *cmdlines; + struct cmdline_list *cmdlist; + int cmdline_count; + + struct func_map *func_map; + struct func_resolver *func_resolver; + struct func_list *funclist; + unsigned int func_count; + + struct printk_map *printk_map; + struct printk_list *printklist; + unsigned int printk_count; + + + struct tep_event_format **events; + int nr_events; + struct tep_event_format **sort_events; + enum tep_event_sort_type last_type; + + int type_offset; + int type_size; + + int pid_offset; + int pid_size; + + int pc_offset; + int pc_size; + + int flags_offset; + int flags_size; + + int ld_offset; + int ld_size; + + int print_raw; + + int test_filters; + + int flags; + + struct tep_format_field *bprint_ip_field; + struct tep_format_field *bprint_fmt_field; + struct tep_format_field *bprint_buf_field; + + struct event_handler *handlers; + struct tep_function_handler *func_handlers; + + /* cache */ + struct tep_event_format *last_event; + + char *trace_clock; +}; + +#endif /* _PARSE_EVENTS_INT_H */ diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index ce1e20227c64..3692f29fee46 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -18,12 +18,14 @@ #include <errno.h> #include <stdint.h> #include <limits.h> -#include <linux/string.h> #include <linux/time64.h> #include <netinet/in.h> #include "event-parse.h" + +#include "event-parse-local.h" #include "event-utils.h" +#include "trace-seq.h" static const char *input_buf; static unsigned long long input_buf_ptr; @@ -94,7 +96,7 @@ struct tep_function_handler { static unsigned long long process_defined_func(struct trace_seq *s, void *data, int size, - struct event_format *event, struct print_arg *arg); + struct tep_event_format *event, struct tep_print_arg *arg); static void free_func_handle(struct tep_function_handler *func); @@ -117,9 +119,9 @@ void breakpoint(void) x++; } -struct print_arg *alloc_arg(void) +struct tep_print_arg *alloc_arg(void) { - return calloc(1, sizeof(struct print_arg)); + return calloc(1, sizeof(struct tep_print_arg)); } struct cmdline { @@ -737,16 +739,16 @@ void tep_print_printk(struct tep_handle *pevent) } } -static struct event_format *alloc_event(void) +static struct tep_event_format *alloc_event(void) { - return calloc(1, sizeof(struct event_format)); + return calloc(1, sizeof(struct tep_event_format)); } -static int add_event(struct tep_handle *pevent, struct event_format *event) +static int add_event(struct tep_handle *pevent, struct tep_event_format *event) { int i; - struct event_format **events = realloc(pevent->events, sizeof(event) * - (pevent->nr_events + 1)); + struct tep_event_format **events = realloc(pevent->events, sizeof(event) * + (pevent->nr_events + 1)); if (!events) return -1; @@ -769,20 +771,20 @@ static int add_event(struct tep_handle *pevent, struct event_format *event) return 0; } -static int event_item_type(enum event_type type) +static int event_item_type(enum tep_event_type type) { switch (type) { - case EVENT_ITEM ... EVENT_SQUOTE: + case TEP_EVENT_ITEM ... TEP_EVENT_SQUOTE: return 1; - case EVENT_ERROR ... EVENT_DELIM: + case TEP_EVENT_ERROR ... TEP_EVENT_DELIM: default: return 0; } } -static void free_flag_sym(struct print_flag_sym *fsym) +static void free_flag_sym(struct tep_print_flag_sym *fsym) { - struct print_flag_sym *next; + struct tep_print_flag_sym *next; while (fsym) { next = fsym->next; @@ -793,60 +795,60 @@ static void free_flag_sym(struct print_flag_sym *fsym) } } -static void free_arg(struct print_arg *arg) +static void free_arg(struct tep_print_arg *arg) { - struct print_arg *farg; + struct tep_print_arg *farg; if (!arg) return; switch (arg->type) { - case PRINT_ATOM: + case TEP_PRINT_ATOM: free(arg->atom.atom); break; - case PRINT_FIELD: + case TEP_PRINT_FIELD: free(arg->field.name); break; - case PRINT_FLAGS: + case TEP_PRINT_FLAGS: free_arg(arg->flags.field); free(arg->flags.delim); free_flag_sym(arg->flags.flags); break; - case PRINT_SYMBOL: + case TEP_PRINT_SYMBOL: free_arg(arg->symbol.field); free_flag_sym(arg->symbol.symbols); break; - case PRINT_HEX: - case PRINT_HEX_STR: + case TEP_PRINT_HEX: + case TEP_PRINT_HEX_STR: free_arg(arg->hex.field); free_arg(arg->hex.size); break; - case PRINT_INT_ARRAY: + case TEP_PRINT_INT_ARRAY: free_arg(arg->int_array.field); free_arg(arg->int_array.count); free_arg(arg->int_array.el_size); break; - case PRINT_TYPE: + case TEP_PRINT_TYPE: free(arg->typecast.type); free_arg(arg->typecast.item); break; - case PRINT_STRING: - case PRINT_BSTRING: + case TEP_PRINT_STRING: + case TEP_PRINT_BSTRING: free(arg->string.string); break; - case PRINT_BITMASK: + case TEP_PRINT_BITMASK: free(arg->bitmask.bitmask); break; - case PRINT_DYNAMIC_ARRAY: - case PRINT_DYNAMIC_ARRAY_LEN: + case TEP_PRINT_DYNAMIC_ARRAY: + case TEP_PRINT_DYNAMIC_ARRAY_LEN: free(arg->dynarray.index); break; - case PRINT_OP: + case TEP_PRINT_OP: free(arg->op.op); free_arg(arg->op.left); free_arg(arg->op.right); break; - case PRINT_FUNC: + case TEP_PRINT_FUNC: while (arg->func.args) { farg = arg->func.args; arg->func.args = farg->next; @@ -854,7 +856,7 @@ static void free_arg(struct print_arg *arg) } break; - case PRINT_NULL: + case TEP_PRINT_NULL: default: break; } @@ -862,24 +864,24 @@ static void free_arg(struct print_arg *arg) free(arg); } -static enum event_type get_type(int ch) +static enum tep_event_type get_type(int ch) { if (ch == '\n') - return EVENT_NEWLINE; + return TEP_EVENT_NEWLINE; if (isspace(ch)) - return EVENT_SPACE; + return TEP_EVENT_SPACE; if (isalnum(ch) || ch == '_') - return EVENT_ITEM; + return TEP_EVENT_ITEM; if (ch == '\'') - return EVENT_SQUOTE; + return TEP_EVENT_SQUOTE; if (ch == '"') - return EVENT_DQUOTE; + return TEP_EVENT_DQUOTE; if (!isprint(ch)) - return EVENT_NONE; + return TEP_EVENT_NONE; if (ch == '(' || ch == ')' || ch == ',') - return EVENT_DELIM; + return TEP_EVENT_DELIM; - return EVENT_OP; + return TEP_EVENT_OP; } static int __read_char(void) @@ -927,38 +929,38 @@ static int extend_token(char **tok, char *buf, int size) return 0; } -static enum event_type force_token(const char *str, char **tok); +static enum tep_event_type force_token(const char *str, char **tok); -static enum event_type __read_token(char **tok) +static enum tep_event_type __read_token(char **tok) { char buf[BUFSIZ]; int ch, last_ch, quote_ch, next_ch; int i = 0; int tok_size = 0; - enum event_type type; + enum tep_event_type type; *tok = NULL; ch = __read_char(); if (ch < 0) - return EVENT_NONE; + return TEP_EVENT_NONE; type = get_type(ch); - if (type == EVENT_NONE) + if (type == TEP_EVENT_NONE) return type; buf[i++] = ch; switch (type) { - case EVENT_NEWLINE: - case EVENT_DELIM: + case TEP_EVENT_NEWLINE: + case TEP_EVENT_DELIM: if (asprintf(tok, "%c", ch) < 0) - return EVENT_ERROR; + return TEP_EVENT_ERROR; return type; - case EVENT_OP: + case TEP_EVENT_OP: switch (ch) { case '-': next_ch = __peek_char(); @@ -1001,8 +1003,8 @@ static enum event_type __read_token(char **tok) buf[i++] = __read_char(); goto out; - case EVENT_DQUOTE: - case EVENT_SQUOTE: + case TEP_EVENT_DQUOTE: + case TEP_EVENT_SQUOTE: /* don't keep quotes */ i--; quote_ch = ch; @@ -1014,7 +1016,7 @@ static enum event_type __read_token(char **tok) tok_size += BUFSIZ; if (extend_token(tok, buf, tok_size) < 0) - return EVENT_NONE; + return TEP_EVENT_NONE; i = 0; } last_ch = ch; @@ -1031,7 +1033,7 @@ static enum event_type __read_token(char **tok) * For strings (double quotes) check the next token. * If it is another string, concatinate the two. */ - if (type == EVENT_DQUOTE) { + if (type == TEP_EVENT_DQUOTE) { unsigned long long save_input_buf_ptr = input_buf_ptr; do { @@ -1044,8 +1046,8 @@ static enum event_type __read_token(char **tok) goto out; - case EVENT_ERROR ... EVENT_SPACE: - case EVENT_ITEM: + case TEP_EVENT_ERROR ... TEP_EVENT_SPACE: + case TEP_EVENT_ITEM: default: break; } @@ -1056,7 +1058,7 @@ static enum event_type __read_token(char **tok) tok_size += BUFSIZ; if (extend_token(tok, buf, tok_size) < 0) - return EVENT_NONE; + return TEP_EVENT_NONE; i = 0; } ch = __read_char(); @@ -1066,9 +1068,9 @@ static enum event_type __read_token(char **tok) out: buf[i] = 0; if (extend_token(tok, buf, tok_size + i + 1) < 0) - return EVENT_NONE; + return TEP_EVENT_NONE; - if (type == EVENT_ITEM) { + if (type == TEP_EVENT_ITEM) { /* * Older versions of the kernel has a bug that * creates invalid symbols and will break the mac80211 @@ -1095,12 +1097,12 @@ static enum event_type __read_token(char **tok) return type; } -static enum event_type force_token(const char *str, char **tok) +static enum tep_event_type force_token(const char *str, char **tok) { const char *save_input_buf; unsigned long long save_input_buf_ptr; unsigned long long save_input_buf_siz; - enum event_type type; + enum tep_event_type type; /* save off the current input pointers */ save_input_buf = input_buf; @@ -1125,13 +1127,13 @@ static void free_token(char *tok) free(tok); } -static enum event_type read_token(char **tok) +static enum tep_event_type read_token(char **tok) { - enum event_type type; + enum tep_event_type type; for (;;) { type = __read_token(tok); - if (type != EVENT_SPACE) + if (type != TEP_EVENT_SPACE) return type; free_token(*tok); @@ -1139,7 +1141,7 @@ static enum event_type read_token(char **tok) /* not reached */ *tok = NULL; - return EVENT_NONE; + return TEP_EVENT_NONE; } /** @@ -1151,7 +1153,7 @@ static enum event_type read_token(char **tok) * * Returns the token type. */ -enum event_type tep_read_token(char **tok) +enum tep_event_type tep_read_token(char **tok) { return read_token(tok); } @@ -1166,13 +1168,13 @@ void tep_free_token(char *token) } /* no newline */ -static enum event_type read_token_item(char **tok) +static enum tep_event_type read_token_item(char **tok) { - enum event_type type; + enum tep_event_type type; for (;;) { type = __read_token(tok); - if (type != EVENT_SPACE && type != EVENT_NEWLINE) + if (type != TEP_EVENT_SPACE && type != TEP_EVENT_NEWLINE) return type; free_token(*tok); *tok = NULL; @@ -1180,10 +1182,10 @@ static enum event_type read_token_item(char **tok) /* not reached */ *tok = NULL; - return EVENT_NONE; + return TEP_EVENT_NONE; } -static int test_type(enum event_type type, enum event_type expect) +static int test_type(enum tep_event_type type, enum tep_event_type expect) { if (type != expect) { do_warning("Error: expected type %d but read %d", @@ -1193,8 +1195,8 @@ static int test_type(enum event_type type, enum event_type expect) return 0; } -static int test_type_token(enum event_type type, const char *token, - enum event_type expect, const char *expect_tok) +static int test_type_token(enum tep_event_type type, const char *token, + enum tep_event_type expect, const char *expect_tok) { if (type != expect) { do_warning("Error: expected type %d but read %d", @@ -1210,9 +1212,9 @@ static int test_type_token(enum event_type type, const char *token, return 0; } -static int __read_expect_type(enum event_type expect, char **tok, int newline_ok) +static int __read_expect_type(enum tep_event_type expect, char **tok, int newline_ok) { - enum event_type type; + enum tep_event_type type; if (newline_ok) type = read_token(tok); @@ -1221,15 +1223,15 @@ static int __read_expect_type(enum event_type expect, char **tok, int newline_ok return test_type(type, expect); } -static int read_expect_type(enum event_type expect, char **tok) +static int read_expect_type(enum tep_event_type expect, char **tok) { return __read_expect_type(expect, tok, 1); } -static int __read_expected(enum event_type expect, const char *str, +static int __read_expected(enum tep_event_type expect, const char *str, int newline_ok) { - enum event_type type; + enum tep_event_type type; char *token; int ret; @@ -1245,12 +1247,12 @@ static int __read_expected(enum event_type expect, const char *str, return ret; } -static int read_expected(enum event_type expect, const char *str) +static int read_expected(enum tep_event_type expect, const char *str) { return __read_expected(expect, str, 1); } -static int read_expected_item(enum event_type expect, const char *str) +static int read_expected_item(enum tep_event_type expect, const char *str) { return __read_expected(expect, str, 0); } @@ -1259,13 +1261,13 @@ static char *event_read_name(void) { char *token; - if (read_expected(EVENT_ITEM, "name") < 0) + if (read_expected(TEP_EVENT_ITEM, "name") < 0) return NULL; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return NULL; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; return token; @@ -1280,13 +1282,13 @@ static int event_read_id(void) char *token; int id; - if (read_expected_item(EVENT_ITEM, "ID") < 0) + if (read_expected_item(TEP_EVENT_ITEM, "ID") < 0) return -1; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return -1; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; id = strtoul(token, NULL, 0); @@ -1298,9 +1300,9 @@ static int event_read_id(void) return -1; } -static int field_is_string(struct format_field *field) +static int field_is_string(struct tep_format_field *field) { - if ((field->flags & FIELD_IS_ARRAY) && + if ((field->flags & TEP_FIELD_IS_ARRAY) && (strstr(field->type, "char") || strstr(field->type, "u8") || strstr(field->type, "s8"))) return 1; @@ -1308,7 +1310,7 @@ static int field_is_string(struct format_field *field) return 0; } -static int field_is_dynamic(struct format_field *field) +static int field_is_dynamic(struct tep_format_field *field) { if (strncmp(field->type, "__data_loc", 10) == 0) return 1; @@ -1316,7 +1318,7 @@ static int field_is_dynamic(struct format_field *field) return 0; } -static int field_is_long(struct format_field *field) +static int field_is_long(struct tep_format_field *field) { /* includes long long */ if (strstr(field->type, "long")) @@ -1327,7 +1329,7 @@ static int field_is_long(struct format_field *field) static unsigned int type_size(const char *name) { - /* This covers all FIELD_IS_STRING types. */ + /* This covers all TEP_FIELD_IS_STRING types. */ static struct { const char *type; unsigned int size; @@ -1353,10 +1355,10 @@ static unsigned int type_size(const char *name) return 0; } -static int event_read_fields(struct event_format *event, struct format_field **fields) +static int event_read_fields(struct tep_event_format *event, struct tep_format_field **fields) { - struct format_field *field = NULL; - enum event_type type; + struct tep_format_field *field = NULL; + enum tep_event_type type; char *token; char *last_token; int count = 0; @@ -1365,14 +1367,14 @@ static int event_read_fields(struct event_format *event, struct format_field **f unsigned int size_dynamic = 0; type = read_token(&token); - if (type == EVENT_NEWLINE) { + if (type == TEP_EVENT_NEWLINE) { free_token(token); return count; } count++; - if (test_type_token(type, token, EVENT_ITEM, "field")) + if (test_type_token(type, token, TEP_EVENT_ITEM, "field")) goto fail; free_token(token); @@ -1381,17 +1383,17 @@ static int event_read_fields(struct event_format *event, struct format_field **f * The ftrace fields may still use the "special" name. * Just ignore it. */ - if (event->flags & EVENT_FL_ISFTRACE && - type == EVENT_ITEM && strcmp(token, "special") == 0) { + if (event->flags & TEP_EVENT_FL_ISFTRACE && + type == TEP_EVENT_ITEM && strcmp(token, "special") == 0) { free_token(token); type = read_token(&token); } - if (test_type_token(type, token, EVENT_OP, ":") < 0) + if (test_type_token(type, token, TEP_EVENT_OP, ":") < 0) goto fail; free_token(token); - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; last_token = token; @@ -1405,17 +1407,17 @@ static int event_read_fields(struct event_format *event, struct format_field **f /* read the rest of the type */ for (;;) { type = read_token(&token); - if (type == EVENT_ITEM || - (type == EVENT_OP && strcmp(token, "*") == 0) || + if (type == TEP_EVENT_ITEM || + (type == TEP_EVENT_OP && strcmp(token, "*") == 0) || /* * Some of the ftrace fields are broken and have * an illegal "." in them. */ - (event->flags & EVENT_FL_ISFTRACE && - type == EVENT_OP && strcmp(token, ".") == 0)) { + (event->flags & TEP_EVENT_FL_ISFTRACE && + type == TEP_EVENT_OP && strcmp(token, ".") == 0)) { if (strcmp(token, "*") == 0) - field->flags |= FIELD_IS_POINTER; + field->flags |= TEP_FIELD_IS_POINTER; if (field->type) { char *new_type; @@ -1445,27 +1447,27 @@ static int event_read_fields(struct event_format *event, struct format_field **f } field->name = field->alias = last_token; - if (test_type(type, EVENT_OP)) + if (test_type(type, TEP_EVENT_OP)) goto fail; if (strcmp(token, "[") == 0) { - enum event_type last_type = type; + enum tep_event_type last_type = type; char *brackets = token; char *new_brackets; int len; - field->flags |= FIELD_IS_ARRAY; + field->flags |= TEP_FIELD_IS_ARRAY; type = read_token(&token); - if (type == EVENT_ITEM) + if (type == TEP_EVENT_ITEM) field->arraylen = strtoul(token, NULL, 0); else field->arraylen = 0; while (strcmp(token, "]") != 0) { - if (last_type == EVENT_ITEM && - type == EVENT_ITEM) + if (last_type == TEP_EVENT_ITEM && + type == TEP_EVENT_ITEM) len = 2; else len = 1; @@ -1486,7 +1488,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f field->arraylen = strtoul(token, NULL, 0); free_token(token); type = read_token(&token); - if (type == EVENT_NONE) { + if (type == TEP_EVENT_NONE) { do_warning_event(event, "failed to find token"); goto fail; } @@ -1509,7 +1511,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f * If the next token is not an OP, then it is of * the format: type [] item; */ - if (type == EVENT_ITEM) { + if (type == TEP_EVENT_ITEM) { char *new_type; new_type = realloc(field->type, strlen(field->type) + @@ -1543,79 +1545,79 @@ static int event_read_fields(struct event_format *event, struct format_field **f } if (field_is_string(field)) - field->flags |= FIELD_IS_STRING; + field->flags |= TEP_FIELD_IS_STRING; if (field_is_dynamic(field)) - field->flags |= FIELD_IS_DYNAMIC; + field->flags |= TEP_FIELD_IS_DYNAMIC; if (field_is_long(field)) - field->flags |= FIELD_IS_LONG; + field->flags |= TEP_FIELD_IS_LONG; - if (test_type_token(type, token, EVENT_OP, ";")) + if (test_type_token(type, token, TEP_EVENT_OP, ";")) goto fail; free_token(token); - if (read_expected(EVENT_ITEM, "offset") < 0) + if (read_expected(TEP_EVENT_ITEM, "offset") < 0) goto fail_expect; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) goto fail_expect; - if (read_expect_type(EVENT_ITEM, &token)) + if (read_expect_type(TEP_EVENT_ITEM, &token)) goto fail; field->offset = strtoul(token, NULL, 0); free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) goto fail_expect; - if (read_expected(EVENT_ITEM, "size") < 0) + if (read_expected(TEP_EVENT_ITEM, "size") < 0) goto fail_expect; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) goto fail_expect; - if (read_expect_type(EVENT_ITEM, &token)) + if (read_expect_type(TEP_EVENT_ITEM, &token)) goto fail; field->size = strtoul(token, NULL, 0); free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) goto fail_expect; type = read_token(&token); - if (type != EVENT_NEWLINE) { + if (type != TEP_EVENT_NEWLINE) { /* newer versions of the kernel have a "signed" type */ - if (test_type_token(type, token, EVENT_ITEM, "signed")) + if (test_type_token(type, token, TEP_EVENT_ITEM, "signed")) goto fail; free_token(token); - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) goto fail_expect; - if (read_expect_type(EVENT_ITEM, &token)) + if (read_expect_type(TEP_EVENT_ITEM, &token)) goto fail; if (strtoul(token, NULL, 0)) - field->flags |= FIELD_IS_SIGNED; + field->flags |= TEP_FIELD_IS_SIGNED; free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) goto fail_expect; - if (read_expect_type(EVENT_NEWLINE, &token)) + if (read_expect_type(TEP_EVENT_NEWLINE, &token)) goto fail; } free_token(token); - if (field->flags & FIELD_IS_ARRAY) { + if (field->flags & TEP_FIELD_IS_ARRAY) { if (field->arraylen) field->elementsize = field->size / field->arraylen; - else if (field->flags & FIELD_IS_DYNAMIC) + else if (field->flags & TEP_FIELD_IS_DYNAMIC) field->elementsize = size_dynamic; - else if (field->flags & FIELD_IS_STRING) + else if (field->flags & TEP_FIELD_IS_STRING) field->elementsize = 1; - else if (field->flags & FIELD_IS_LONG) + else if (field->flags & TEP_FIELD_IS_LONG) field->elementsize = event->pevent ? event->pevent->long_size : sizeof(long); @@ -1640,18 +1642,18 @@ fail_expect: return -1; } -static int event_read_format(struct event_format *event) +static int event_read_format(struct tep_event_format *event) { char *token; int ret; - if (read_expected_item(EVENT_ITEM, "format") < 0) + if (read_expected_item(TEP_EVENT_ITEM, "format") < 0) return -1; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return -1; - if (read_expect_type(EVENT_NEWLINE, &token)) + if (read_expect_type(TEP_EVENT_NEWLINE, &token)) goto fail; free_token(token); @@ -1672,14 +1674,14 @@ static int event_read_format(struct event_format *event) return -1; } -static enum event_type -process_arg_token(struct event_format *event, struct print_arg *arg, - char **tok, enum event_type type); +static enum tep_event_type +process_arg_token(struct tep_event_format *event, struct tep_print_arg *arg, + char **tok, enum tep_event_type type); -static enum event_type -process_arg(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_arg(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - enum event_type type; + enum tep_event_type type; char *token; type = read_token(&token); @@ -1688,32 +1690,32 @@ process_arg(struct event_format *event, struct print_arg *arg, char **tok) return process_arg_token(event, arg, tok, type); } -static enum event_type -process_op(struct event_format *event, struct print_arg *arg, char **tok); +static enum tep_event_type +process_op(struct tep_event_format *event, struct tep_print_arg *arg, char **tok); /* * For __print_symbolic() and __print_flags, we need to completely * evaluate the first argument, which defines what to print next. */ -static enum event_type -process_field_arg(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_field_arg(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - enum event_type type; + enum tep_event_type type; type = process_arg(event, arg, tok); - while (type == EVENT_OP) { + while (type == TEP_EVENT_OP) { type = process_op(event, arg, tok); } return type; } -static enum event_type -process_cond(struct event_format *event, struct print_arg *top, char **tok) +static enum tep_event_type +process_cond(struct tep_event_format *event, struct tep_print_arg *top, char **tok) { - struct print_arg *arg, *left, *right; - enum event_type type; + struct tep_print_arg *arg, *left, *right; + enum tep_event_type type; char *token = NULL; arg = alloc_arg(); @@ -1728,7 +1730,7 @@ process_cond(struct event_format *event, struct print_arg *top, char **tok) goto out_free; } - arg->type = PRINT_OP; + arg->type = TEP_PRINT_OP; arg->op.left = left; arg->op.right = right; @@ -1736,16 +1738,16 @@ process_cond(struct event_format *event, struct print_arg *top, char **tok) type = process_arg(event, left, &token); again: - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) goto out_free; /* Handle other operations in the arguments */ - if (type == EVENT_OP && strcmp(token, ":") != 0) { + if (type == TEP_EVENT_OP && strcmp(token, ":") != 0) { type = process_op(event, left, &token); goto again; } - if (test_type_token(type, token, EVENT_OP, ":")) + if (test_type_token(type, token, TEP_EVENT_OP, ":")) goto out_free; arg->op.op = token; @@ -1762,14 +1764,14 @@ out_free: top->op.right = NULL; free_token(token); free_arg(arg); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_array(struct event_format *event, struct print_arg *top, char **tok) +static enum tep_event_type +process_array(struct tep_event_format *event, struct tep_print_arg *top, char **tok) { - struct print_arg *arg; - enum event_type type; + struct tep_print_arg *arg; + enum tep_event_type type; char *token = NULL; arg = alloc_arg(); @@ -1777,12 +1779,12 @@ process_array(struct event_format *event, struct print_arg *top, char **tok) do_warning_event(event, "%s: not enough memory!", __func__); /* '*tok' is set to top->op.op. No need to free. */ *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } *tok = NULL; type = process_arg(event, arg, &token); - if (test_type_token(type, token, EVENT_OP, "]")) + if (test_type_token(type, token, TEP_EVENT_OP, "]")) goto out_free; top->op.right = arg; @@ -1796,7 +1798,7 @@ process_array(struct event_format *event, struct print_arg *top, char **tok) out_free: free_token(token); free_arg(arg); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } static int get_op_prio(char *op) @@ -1854,11 +1856,11 @@ static int get_op_prio(char *op) } } -static int set_op_prio(struct print_arg *arg) +static int set_op_prio(struct tep_print_arg *arg) { /* single ops are the greatest */ - if (!arg->op.left || arg->op.left->type == PRINT_NULL) + if (!arg->op.left || arg->op.left->type == TEP_PRINT_NULL) arg->op.prio = 0; else arg->op.prio = get_op_prio(arg->op.op); @@ -1867,17 +1869,17 @@ static int set_op_prio(struct print_arg *arg) } /* Note, *tok does not get freed, but will most likely be saved */ -static enum event_type -process_op(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_op(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct print_arg *left, *right = NULL; - enum event_type type; + struct tep_print_arg *left, *right = NULL; + enum tep_event_type type; char *token; /* the op is passed in via tok */ token = *tok; - if (arg->type == PRINT_OP && !arg->op.left) { + if (arg->type == TEP_PRINT_OP && !arg->op.left) { /* handle single op */ if (token[1]) { do_warning_event(event, "bad op token %s", token); @@ -1900,7 +1902,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) if (!left) goto out_warn_free; - left->type = PRINT_NULL; + left->type = TEP_PRINT_NULL; arg->op.left = left; right = alloc_arg(); @@ -1922,7 +1924,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) /* copy the top arg to the left */ *left = *arg; - arg->type = PRINT_OP; + arg->type = TEP_PRINT_OP; arg->op.op = token; arg->op.left = left; arg->op.prio = 0; @@ -1956,13 +1958,13 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) /* copy the top arg to the left */ *left = *arg; - arg->type = PRINT_OP; + arg->type = TEP_PRINT_OP; arg->op.op = token; arg->op.left = left; arg->op.right = NULL; if (set_op_prio(arg) == -1) { - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; /* arg->op.op (= token) will be freed at out_free */ arg->op.op = NULL; goto out_free; @@ -1973,10 +1975,10 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) /* could just be a type pointer */ if ((strcmp(arg->op.op, "*") == 0) && - type == EVENT_DELIM && (strcmp(token, ")") == 0)) { + type == TEP_EVENT_DELIM && (strcmp(token, ")") == 0)) { char *new_atom; - if (left->type != PRINT_ATOM) { + if (left->type != TEP_PRINT_ATOM) { do_warning_event(event, "bad pointer type"); goto out_free; } @@ -1999,16 +2001,16 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) goto out_warn_free; type = process_arg_token(event, right, tok, type); - if (type == EVENT_ERROR) { + if (type == TEP_EVENT_ERROR) { free_arg(right); /* token was freed in process_arg_token() via *tok */ token = NULL; goto out_free; } - if (right->type == PRINT_OP && + if (right->type == TEP_PRINT_OP && get_op_prio(arg->op.op) < get_op_prio(right->op.op)) { - struct print_arg tmp; + struct tep_print_arg tmp; /* rotate ops according to the priority */ arg->op.right = right->op.left; @@ -2030,7 +2032,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) *left = *arg; - arg->type = PRINT_OP; + arg->type = TEP_PRINT_OP; arg->op.op = token; arg->op.left = left; @@ -2041,12 +2043,12 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) } else { do_warning_event(event, "unknown op '%s'", token); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; /* the arg is now the left side */ goto out_free; } - if (type == EVENT_OP && strcmp(*tok, ":") != 0) { + if (type == TEP_EVENT_OP && strcmp(*tok, ":") != 0) { int prio; /* higher prios need to be closer to the root */ @@ -2065,34 +2067,34 @@ out_warn_free: out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_entry(struct event_format *event __maybe_unused, struct print_arg *arg, +static enum tep_event_type +process_entry(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg, char **tok) { - enum event_type type; + enum tep_event_type type; char *field; char *token; - if (read_expected(EVENT_OP, "->") < 0) + if (read_expected(TEP_EVENT_OP, "->") < 0) goto out_err; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto out_free; field = token; - arg->type = PRINT_FIELD; + arg->type = TEP_PRINT_FIELD; arg->field.name = field; if (is_flag_field) { arg->field.field = tep_find_any_field(event, arg->field.name); - arg->field.field->flags |= FIELD_IS_FLAG; + arg->field.field->flags |= TEP_FIELD_IS_FLAG; is_flag_field = 0; } else if (is_symbolic_field) { arg->field.field = tep_find_any_field(event, arg->field.name); - arg->field.field->flags |= FIELD_IS_SYMBOLIC; + arg->field.field->flags |= TEP_FIELD_IS_SYMBOLIC; is_symbolic_field = 0; } @@ -2105,14 +2107,14 @@ process_entry(struct event_format *event __maybe_unused, struct print_arg *arg, free_token(token); out_err: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static int alloc_and_process_delim(struct event_format *event, char *next_token, - struct print_arg **print_arg) +static int alloc_and_process_delim(struct tep_event_format *event, char *next_token, + struct tep_print_arg **print_arg) { - struct print_arg *field; - enum event_type type; + struct tep_print_arg *field; + enum tep_event_type type; char *token; int ret = 0; @@ -2125,7 +2127,7 @@ static int alloc_and_process_delim(struct event_format *event, char *next_token, type = process_arg(event, field, &token); - if (test_type_token(type, token, EVENT_DELIM, next_token)) { + if (test_type_token(type, token, TEP_EVENT_DELIM, next_token)) { errno = EINVAL; ret = -1; free_arg(field); @@ -2140,7 +2142,7 @@ out_free_token: return ret; } -static char *arg_eval (struct print_arg *arg); +static char *arg_eval (struct tep_print_arg *arg); static unsigned long long eval_type_str(unsigned long long val, const char *type, int pointer) @@ -2237,9 +2239,9 @@ eval_type_str(unsigned long long val, const char *type, int pointer) * Try to figure out the type. */ static unsigned long long -eval_type(unsigned long long val, struct print_arg *arg, int pointer) +eval_type(unsigned long long val, struct tep_print_arg *arg, int pointer) { - if (arg->type != PRINT_TYPE) { + if (arg->type != TEP_PRINT_TYPE) { do_warning("expected type argument"); return 0; } @@ -2247,22 +2249,22 @@ eval_type(unsigned long long val, struct print_arg *arg, int pointer) return eval_type_str(val, arg->typecast.type, pointer); } -static int arg_num_eval(struct print_arg *arg, long long *val) +static int arg_num_eval(struct tep_print_arg *arg, long long *val) { long long left, right; int ret = 1; switch (arg->type) { - case PRINT_ATOM: + case TEP_PRINT_ATOM: *val = strtoll(arg->atom.atom, NULL, 0); break; - case PRINT_TYPE: + case TEP_PRINT_TYPE: ret = arg_num_eval(arg->typecast.item, val); if (!ret) break; *val = eval_type(*val, arg, 0); break; - case PRINT_OP: + case TEP_PRINT_OP: switch (arg->op.op[0]) { case '|': ret = arg_num_eval(arg->op.left, &left); @@ -2365,7 +2367,7 @@ static int arg_num_eval(struct print_arg *arg, long long *val) break; case '-': /* check for negative */ - if (arg->op.left->type == PRINT_NULL) + if (arg->op.left->type == TEP_PRINT_NULL) left = 0; else ret = arg_num_eval(arg->op.left, &left); @@ -2377,7 +2379,7 @@ static int arg_num_eval(struct print_arg *arg, long long *val) *val = left - right; break; case '+': - if (arg->op.left->type == PRINT_NULL) + if (arg->op.left->type == TEP_PRINT_NULL) left = 0; else ret = arg_num_eval(arg->op.left, &left); @@ -2400,11 +2402,11 @@ static int arg_num_eval(struct print_arg *arg, long long *val) } break; - case PRINT_NULL: - case PRINT_FIELD ... PRINT_SYMBOL: - case PRINT_STRING: - case PRINT_BSTRING: - case PRINT_BITMASK: + case TEP_PRINT_NULL: + case TEP_PRINT_FIELD ... TEP_PRINT_SYMBOL: + case TEP_PRINT_STRING: + case TEP_PRINT_BSTRING: + case TEP_PRINT_BITMASK: default: do_warning("invalid eval type %d", arg->type); ret = 0; @@ -2413,27 +2415,27 @@ static int arg_num_eval(struct print_arg *arg, long long *val) return ret; } -static char *arg_eval (struct print_arg *arg) +static char *arg_eval (struct tep_print_arg *arg) { long long val; static char buf[20]; switch (arg->type) { - case PRINT_ATOM: + case TEP_PRINT_ATOM: return arg->atom.atom; - case PRINT_TYPE: + case TEP_PRINT_TYPE: return arg_eval(arg->typecast.item); - case PRINT_OP: + case TEP_PRINT_OP: if (!arg_num_eval(arg, &val)) break; sprintf(buf, "%lld", val); return buf; - case PRINT_NULL: - case PRINT_FIELD ... PRINT_SYMBOL: - case PRINT_STRING: - case PRINT_BSTRING: - case PRINT_BITMASK: + case TEP_PRINT_NULL: + case TEP_PRINT_FIELD ... TEP_PRINT_SYMBOL: + case TEP_PRINT_STRING: + case TEP_PRINT_BSTRING: + case TEP_PRINT_BITMASK: default: do_warning("invalid eval type %d", arg->type); break; @@ -2442,19 +2444,19 @@ static char *arg_eval (struct print_arg *arg) return NULL; } -static enum event_type -process_fields(struct event_format *event, struct print_flag_sym **list, char **tok) +static enum tep_event_type +process_fields(struct tep_event_format *event, struct tep_print_flag_sym **list, char **tok) { - enum event_type type; - struct print_arg *arg = NULL; - struct print_flag_sym *field; + enum tep_event_type type; + struct tep_print_arg *arg = NULL; + struct tep_print_flag_sym *field; char *token = *tok; char *value; do { free_token(token); type = read_token_item(&token); - if (test_type_token(type, token, EVENT_OP, "{")) + if (test_type_token(type, token, TEP_EVENT_OP, "{")) break; arg = alloc_arg(); @@ -2464,13 +2466,13 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char ** free_token(token); type = process_arg(event, arg, &token); - if (type == EVENT_OP) + if (type == TEP_EVENT_OP) type = process_op(event, arg, &token); - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) goto out_free; - if (test_type_token(type, token, EVENT_DELIM, ",")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ",")) goto out_free; field = calloc(1, sizeof(*field)); @@ -2491,7 +2493,7 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char ** free_token(token); type = process_arg(event, arg, &token); - if (test_type_token(type, token, EVENT_OP, "}")) + if (test_type_token(type, token, TEP_EVENT_OP, "}")) goto out_free_field; value = arg_eval(arg); @@ -2508,7 +2510,7 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char ** free_token(token); type = read_token_item(&token); - } while (type == EVENT_DELIM && strcmp(token, ",") == 0); + } while (type == TEP_EVENT_DELIM && strcmp(token, ",") == 0); *tok = token; return type; @@ -2520,18 +2522,18 @@ out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_flags(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_flags(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct print_arg *field; - enum event_type type; + struct tep_print_arg *field; + enum tep_event_type type; char *token = NULL; memset(arg, 0, sizeof(*arg)); - arg->type = PRINT_FLAGS; + arg->type = TEP_PRINT_FLAGS; field = alloc_arg(); if (!field) { @@ -2542,10 +2544,10 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok) type = process_field_arg(event, field, &token); /* Handle operations in the first argument */ - while (type == EVENT_OP) + while (type == TEP_EVENT_OP) type = process_op(event, field, &token); - if (test_type_token(type, token, EVENT_DELIM, ",")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ",")) goto out_free_field; free_token(token); @@ -2557,11 +2559,11 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok) type = read_token_item(&token); } - if (test_type_token(type, token, EVENT_DELIM, ",")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ",")) goto out_free; type = process_fields(event, &arg->flags.flags, &token); - if (test_type_token(type, token, EVENT_DELIM, ")")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ")")) goto out_free; free_token(token); @@ -2573,18 +2575,18 @@ out_free_field: out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_symbols(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_symbols(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct print_arg *field; - enum event_type type; + struct tep_print_arg *field; + enum tep_event_type type; char *token = NULL; memset(arg, 0, sizeof(*arg)); - arg->type = PRINT_SYMBOL; + arg->type = TEP_PRINT_SYMBOL; field = alloc_arg(); if (!field) { @@ -2594,13 +2596,13 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok) type = process_field_arg(event, field, &token); - if (test_type_token(type, token, EVENT_DELIM, ",")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ",")) goto out_free_field; arg->symbol.field = field; type = process_fields(event, &arg->symbol.symbols, &token); - if (test_type_token(type, token, EVENT_DELIM, ")")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ")")) goto out_free; free_token(token); @@ -2612,12 +2614,12 @@ out_free_field: out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_hex_common(struct event_format *event, struct print_arg *arg, - char **tok, enum print_arg_type type) +static enum tep_event_type +process_hex_common(struct tep_event_format *event, struct tep_print_arg *arg, + char **tok, enum tep_print_arg_type type) { memset(arg, 0, sizeof(*arg)); arg->type = type; @@ -2635,27 +2637,27 @@ free_field: arg->hex.field = NULL; out: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_hex(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_hex(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - return process_hex_common(event, arg, tok, PRINT_HEX); + return process_hex_common(event, arg, tok, TEP_PRINT_HEX); } -static enum event_type -process_hex_str(struct event_format *event, struct print_arg *arg, +static enum tep_event_type +process_hex_str(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - return process_hex_common(event, arg, tok, PRINT_HEX_STR); + return process_hex_common(event, arg, tok, TEP_PRINT_HEX_STR); } -static enum event_type -process_int_array(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_int_array(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { memset(arg, 0, sizeof(*arg)); - arg->type = PRINT_INT_ARRAY; + arg->type = TEP_PRINT_INT_ARRAY; if (alloc_and_process_delim(event, ",", &arg->int_array.field)) goto out; @@ -2676,18 +2678,18 @@ free_field: arg->int_array.field = NULL; out: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_dynamic_array(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_dynamic_array(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct format_field *field; - enum event_type type; + struct tep_format_field *field; + enum tep_event_type type; char *token; memset(arg, 0, sizeof(*arg)); - arg->type = PRINT_DYNAMIC_ARRAY; + arg->type = TEP_PRINT_DYNAMIC_ARRAY; /* * The item within the parenthesis is another field that holds @@ -2695,7 +2697,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** */ type = read_token(&token); *tok = token; - if (type != EVENT_ITEM) + if (type != TEP_EVENT_ITEM) goto out_free; /* Find the field */ @@ -2707,13 +2709,13 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** arg->dynarray.field = field; arg->dynarray.index = 0; - if (read_expected(EVENT_DELIM, ")") < 0) + if (read_expected(TEP_EVENT_DELIM, ")") < 0) goto out_free; free_token(token); type = read_token_item(&token); *tok = token; - if (type != EVENT_OP || strcmp(token, "[") != 0) + if (type != TEP_EVENT_OP || strcmp(token, "[") != 0) return type; free_token(token); @@ -2721,14 +2723,14 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** if (!arg) { do_warning_event(event, "%s: not enough memory!", __func__); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } type = process_arg(event, arg, &token); - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) goto out_free_arg; - if (!test_type_token(type, token, EVENT_OP, "]")) + if (!test_type_token(type, token, TEP_EVENT_OP, "]")) goto out_free_arg; free_token(token); @@ -2740,21 +2742,21 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_dynamic_array_len(struct event_format *event, struct print_arg *arg, +static enum tep_event_type +process_dynamic_array_len(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct format_field *field; - enum event_type type; + struct tep_format_field *field; + enum tep_event_type type; char *token; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto out_free; - arg->type = PRINT_DYNAMIC_ARRAY_LEN; + arg->type = TEP_PRINT_DYNAMIC_ARRAY_LEN; /* Find the field */ field = tep_find_field(event, token); @@ -2764,7 +2766,7 @@ process_dynamic_array_len(struct event_format *event, struct print_arg *arg, arg->dynarray.field = field; arg->dynarray.index = 0; - if (read_expected(EVENT_DELIM, ")") < 0) + if (read_expected(TEP_EVENT_DELIM, ")") < 0) goto out_err; type = read_token(&token); @@ -2776,28 +2778,28 @@ process_dynamic_array_len(struct event_format *event, struct print_arg *arg, free_token(token); out_err: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_paren(struct event_format *event, struct print_arg *arg, char **tok) +static enum tep_event_type +process_paren(struct tep_event_format *event, struct tep_print_arg *arg, char **tok) { - struct print_arg *item_arg; - enum event_type type; + struct tep_print_arg *item_arg; + enum tep_event_type type; char *token; type = process_arg(event, arg, &token); - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) goto out_free; - if (type == EVENT_OP) + if (type == TEP_EVENT_OP) type = process_op(event, arg, &token); - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) goto out_free; - if (test_type_token(type, token, EVENT_DELIM, ")")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ")")) goto out_free; free_token(token); @@ -2808,13 +2810,13 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok) * this was a typecast. */ if (event_item_type(type) || - (type == EVENT_DELIM && strcmp(token, "(") == 0)) { + (type == TEP_EVENT_DELIM && strcmp(token, "(") == 0)) { /* make this a typecast and contine */ /* prevous must be an atom */ - if (arg->type != PRINT_ATOM) { - do_warning_event(event, "previous needed to be PRINT_ATOM"); + if (arg->type != TEP_PRINT_ATOM) { + do_warning_event(event, "previous needed to be TEP_PRINT_ATOM"); goto out_free; } @@ -2825,7 +2827,7 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok) goto out_free; } - arg->type = PRINT_TYPE; + arg->type = TEP_PRINT_TYPE; arg->typecast.type = arg->atom.atom; arg->typecast.item = item_arg; type = process_arg_token(event, item_arg, &token, type); @@ -2838,25 +2840,25 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok) out_free: free_token(token); *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_str(struct event_format *event __maybe_unused, struct print_arg *arg, +static enum tep_event_type +process_str(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg, char **tok) { - enum event_type type; + enum tep_event_type type; char *token; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto out_free; - arg->type = PRINT_STRING; + arg->type = TEP_PRINT_STRING; arg->string.string = token; arg->string.offset = -1; - if (read_expected(EVENT_DELIM, ")") < 0) + if (read_expected(TEP_EVENT_DELIM, ")") < 0) goto out_err; type = read_token(&token); @@ -2868,24 +2870,24 @@ process_str(struct event_format *event __maybe_unused, struct print_arg *arg, free_token(token); out_err: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_bitmask(struct event_format *event __maybe_unused, struct print_arg *arg, - char **tok) +static enum tep_event_type +process_bitmask(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg, + char **tok) { - enum event_type type; + enum tep_event_type type; char *token; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto out_free; - arg->type = PRINT_BITMASK; + arg->type = TEP_PRINT_BITMASK; arg->bitmask.bitmask = token; arg->bitmask.offset = -1; - if (read_expected(EVENT_DELIM, ")") < 0) + if (read_expected(TEP_EVENT_DELIM, ")") < 0) goto out_err; type = read_token(&token); @@ -2897,7 +2899,7 @@ process_bitmask(struct event_format *event __maybe_unused, struct print_arg *arg free_token(token); out_err: *tok = NULL; - return EVENT_ERROR; + return TEP_EVENT_ERROR; } static struct tep_function_handler * @@ -2932,17 +2934,17 @@ static void remove_func_handler(struct tep_handle *pevent, char *func_name) } } -static enum event_type -process_func_handler(struct event_format *event, struct tep_function_handler *func, - struct print_arg *arg, char **tok) +static enum tep_event_type +process_func_handler(struct tep_event_format *event, struct tep_function_handler *func, + struct tep_print_arg *arg, char **tok) { - struct print_arg **next_arg; - struct print_arg *farg; - enum event_type type; + struct tep_print_arg **next_arg; + struct tep_print_arg *farg; + enum tep_event_type type; char *token; int i; - arg->type = PRINT_FUNC; + arg->type = TEP_PRINT_FUNC; arg->func.func = func; *tok = NULL; @@ -2953,12 +2955,12 @@ process_func_handler(struct event_format *event, struct tep_function_handler *fu if (!farg) { do_warning_event(event, "%s: not enough memory!", __func__); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } type = process_arg(event, farg, &token); if (i < (func->nr_args - 1)) { - if (type != EVENT_DELIM || strcmp(token, ",") != 0) { + if (type != TEP_EVENT_DELIM || strcmp(token, ",") != 0) { do_warning_event(event, "Error: function '%s()' expects %d arguments but event %s only uses %d", func->name, func->nr_args, @@ -2966,7 +2968,7 @@ process_func_handler(struct event_format *event, struct tep_function_handler *fu goto err; } } else { - if (type != EVENT_DELIM || strcmp(token, ")") != 0) { + if (type != TEP_EVENT_DELIM || strcmp(token, ")") != 0) { do_warning_event(event, "Error: function '%s()' only expects %d arguments but event %s has more", func->name, func->nr_args, event->name); @@ -2987,11 +2989,11 @@ process_func_handler(struct event_format *event, struct tep_function_handler *fu err: free_arg(farg); free_token(token); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_function(struct event_format *event, struct print_arg *arg, +static enum tep_event_type +process_function(struct tep_event_format *event, struct tep_print_arg *arg, char *token, char **tok) { struct tep_function_handler *func; @@ -3043,12 +3045,12 @@ process_function(struct event_format *event, struct print_arg *arg, do_warning_event(event, "function %s not defined", token); free_token(token); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } -static enum event_type -process_arg_token(struct event_format *event, struct print_arg *arg, - char **tok, enum event_type type) +static enum tep_event_type +process_arg_token(struct tep_event_format *event, struct tep_print_arg *arg, + char **tok, enum tep_event_type type) { char *token; char *atom; @@ -3056,7 +3058,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg, token = *tok; switch (type) { - case EVENT_ITEM: + case TEP_EVENT_ITEM: if (strcmp(token, "REC") == 0) { free_token(token); type = process_entry(event, arg, &token); @@ -3070,7 +3072,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg, * If the next token is a parenthesis, then this * is a function. */ - if (type == EVENT_DELIM && strcmp(token, "(") == 0) { + if (type == TEP_EVENT_DELIM && strcmp(token, "(") == 0) { free_token(token); token = NULL; /* this will free atom. */ @@ -3078,7 +3080,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg, break; } /* atoms can be more than one token long */ - while (type == EVENT_ITEM) { + while (type == TEP_EVENT_ITEM) { char *new_atom; new_atom = realloc(atom, strlen(atom) + strlen(token) + 2); @@ -3086,7 +3088,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg, free(atom); *tok = NULL; free_token(token); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } atom = new_atom; strcat(atom, " "); @@ -3095,55 +3097,55 @@ process_arg_token(struct event_format *event, struct print_arg *arg, type = read_token_item(&token); } - arg->type = PRINT_ATOM; + arg->type = TEP_PRINT_ATOM; arg->atom.atom = atom; break; - case EVENT_DQUOTE: - case EVENT_SQUOTE: - arg->type = PRINT_ATOM; + case TEP_EVENT_DQUOTE: + case TEP_EVENT_SQUOTE: + arg->type = TEP_PRINT_ATOM; arg->atom.atom = token; type = read_token_item(&token); break; - case EVENT_DELIM: + case TEP_EVENT_DELIM: if (strcmp(token, "(") == 0) { free_token(token); type = process_paren(event, arg, &token); break; } - case EVENT_OP: + case TEP_EVENT_OP: /* handle single ops */ - arg->type = PRINT_OP; + arg->type = TEP_PRINT_OP; arg->op.op = token; arg->op.left = NULL; type = process_op(event, arg, &token); /* On error, the op is freed */ - if (type == EVENT_ERROR) + if (type == TEP_EVENT_ERROR) arg->op.op = NULL; /* return error type if errored */ break; - case EVENT_ERROR ... EVENT_NEWLINE: + case TEP_EVENT_ERROR ... TEP_EVENT_NEWLINE: default: do_warning_event(event, "unexpected type %d", type); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } *tok = token; return type; } -static int event_read_print_args(struct event_format *event, struct print_arg **list) +static int event_read_print_args(struct tep_event_format *event, struct tep_print_arg **list) { - enum event_type type = EVENT_ERROR; - struct print_arg *arg; + enum tep_event_type type = TEP_EVENT_ERROR; + struct tep_print_arg *arg; char *token; int args = 0; do { - if (type == EVENT_NEWLINE) { + if (type == TEP_EVENT_NEWLINE) { type = read_token_item(&token); continue; } @@ -3157,7 +3159,7 @@ static int event_read_print_args(struct event_format *event, struct print_arg ** type = process_arg(event, arg, &token); - if (type == EVENT_ERROR) { + if (type == TEP_EVENT_ERROR) { free_token(token); free_arg(arg); return -1; @@ -3166,10 +3168,10 @@ static int event_read_print_args(struct event_format *event, struct print_arg ** *list = arg; args++; - if (type == EVENT_OP) { + if (type == TEP_EVENT_OP) { type = process_op(event, arg, &token); free_token(token); - if (type == EVENT_ERROR) { + if (type == TEP_EVENT_ERROR) { *list = NULL; free_arg(arg); return -1; @@ -3178,37 +3180,37 @@ static int event_read_print_args(struct event_format *event, struct print_arg ** continue; } - if (type == EVENT_DELIM && strcmp(token, ",") == 0) { + if (type == TEP_EVENT_DELIM && strcmp(token, ",") == 0) { free_token(token); *list = arg; list = &arg->next; continue; } break; - } while (type != EVENT_NONE); + } while (type != TEP_EVENT_NONE); - if (type != EVENT_NONE && type != EVENT_ERROR) + if (type != TEP_EVENT_NONE && type != TEP_EVENT_ERROR) free_token(token); return args; } -static int event_read_print(struct event_format *event) +static int event_read_print(struct tep_event_format *event) { - enum event_type type; + enum tep_event_type type; char *token; int ret; - if (read_expected_item(EVENT_ITEM, "print") < 0) + if (read_expected_item(TEP_EVENT_ITEM, "print") < 0) return -1; - if (read_expected(EVENT_ITEM, "fmt") < 0) + if (read_expected(TEP_EVENT_ITEM, "fmt") < 0) return -1; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return -1; - if (read_expect_type(EVENT_DQUOTE, &token) < 0) + if (read_expect_type(TEP_EVENT_DQUOTE, &token) < 0) goto fail; concat: @@ -3218,11 +3220,11 @@ static int event_read_print(struct event_format *event) /* ok to have no arg */ type = read_token_item(&token); - if (type == EVENT_NONE) + if (type == TEP_EVENT_NONE) return 0; /* Handle concatenation of print lines */ - if (type == EVENT_DQUOTE) { + if (type == TEP_EVENT_DQUOTE) { char *cat; if (asprintf(&cat, "%s%s", event->print_fmt.format, token) < 0) @@ -3234,7 +3236,7 @@ static int event_read_print(struct event_format *event) goto concat; } - if (test_type_token(type, token, EVENT_DELIM, ",")) + if (test_type_token(type, token, TEP_EVENT_DELIM, ",")) goto fail; free_token(token); @@ -3258,10 +3260,10 @@ static int event_read_print(struct event_format *event) * Returns a common field from the event by the given @name. * This only searchs the common fields and not all field. */ -struct format_field * -tep_find_common_field(struct event_format *event, const char *name) +struct tep_format_field * +tep_find_common_field(struct tep_event_format *event, const char *name) { - struct format_field *format; + struct tep_format_field *format; for (format = event->format.common_fields; format; format = format->next) { @@ -3280,10 +3282,10 @@ tep_find_common_field(struct event_format *event, const char *name) * Returns a non-common field by the given @name. * This does not search common fields. */ -struct format_field * -tep_find_field(struct event_format *event, const char *name) +struct tep_format_field * +tep_find_field(struct tep_event_format *event, const char *name) { - struct format_field *format; + struct tep_format_field *format; for (format = event->format.fields; format; format = format->next) { @@ -3303,10 +3305,10 @@ tep_find_field(struct event_format *event, const char *name) * This searchs the common field names first, then * the non-common ones if a common one was not found. */ -struct format_field * -tep_find_any_field(struct event_format *event, const char *name) +struct tep_format_field * +tep_find_any_field(struct tep_event_format *event, const char *name) { - struct format_field *format; + struct tep_format_field *format; format = tep_find_common_field(event, name); if (format) @@ -3330,11 +3332,11 @@ unsigned long long tep_read_number(struct tep_handle *pevent, case 1: return *(unsigned char *)ptr; case 2: - return data2host2(pevent, ptr); + return tep_data2host2(pevent, ptr); case 4: - return data2host4(pevent, ptr); + return tep_data2host4(pevent, ptr); case 8: - return data2host8(pevent, ptr); + return tep_data2host8(pevent, ptr); default: /* BUG! */ return 0; @@ -3352,7 +3354,7 @@ unsigned long long tep_read_number(struct tep_handle *pevent, * * Returns 0 on success, -1 otherwise. */ -int tep_read_number_field(struct format_field *field, const void *data, +int tep_read_number_field(struct tep_format_field *field, const void *data, unsigned long long *value) { if (!field) @@ -3373,8 +3375,8 @@ int tep_read_number_field(struct format_field *field, const void *data, static int get_common_info(struct tep_handle *pevent, const char *type, int *offset, int *size) { - struct event_format *event; - struct format_field *field; + struct tep_event_format *event; + struct tep_format_field *field; /* * All events should have the same common elements. @@ -3460,11 +3462,11 @@ static int events_id_cmp(const void *a, const void *b); * * Returns an event that has a given @id. */ -struct event_format *tep_find_event(struct tep_handle *pevent, int id) +struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id) { - struct event_format **eventptr; - struct event_format key; - struct event_format *pkey = &key; + struct tep_event_format **eventptr; + struct tep_event_format key; + struct tep_event_format *pkey = &key; /* Check cache first */ if (pevent->last_event && pevent->last_event->id == id) @@ -3492,11 +3494,11 @@ struct event_format *tep_find_event(struct tep_handle *pevent, int id) * This returns an event with a given @name and under the system * @sys. If @sys is NULL the first event with @name is returned. */ -struct event_format * +struct tep_event_format * tep_find_event_by_name(struct tep_handle *pevent, const char *sys, const char *name) { - struct event_format *event; + struct tep_event_format *event; int i; if (pevent->last_event && @@ -3521,23 +3523,23 @@ tep_find_event_by_name(struct tep_handle *pevent, } static unsigned long long -eval_num_arg(void *data, int size, struct event_format *event, struct print_arg *arg) +eval_num_arg(void *data, int size, struct tep_event_format *event, struct tep_print_arg *arg) { struct tep_handle *pevent = event->pevent; unsigned long long val = 0; unsigned long long left, right; - struct print_arg *typearg = NULL; - struct print_arg *larg; + struct tep_print_arg *typearg = NULL; + struct tep_print_arg *larg; unsigned long offset; unsigned int field_size; switch (arg->type) { - case PRINT_NULL: + case TEP_PRINT_NULL: /* ?? */ return 0; - case PRINT_ATOM: + case TEP_PRINT_ATOM: return strtoull(arg->atom.atom, NULL, 0); - case PRINT_FIELD: + case TEP_PRINT_FIELD: if (!arg->field.field) { arg->field.field = tep_find_any_field(event, arg->field.name); if (!arg->field.field) @@ -3548,27 +3550,27 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg val = tep_read_number(pevent, data + arg->field.field->offset, arg->field.field->size); break; - case PRINT_FLAGS: - case PRINT_SYMBOL: - case PRINT_INT_ARRAY: - case PRINT_HEX: - case PRINT_HEX_STR: + case TEP_PRINT_FLAGS: + case TEP_PRINT_SYMBOL: + case TEP_PRINT_INT_ARRAY: + case TEP_PRINT_HEX: + case TEP_PRINT_HEX_STR: break; - case PRINT_TYPE: + case TEP_PRINT_TYPE: val = eval_num_arg(data, size, event, arg->typecast.item); return eval_type(val, arg, 0); - case PRINT_STRING: - case PRINT_BSTRING: - case PRINT_BITMASK: + case TEP_PRINT_STRING: + case TEP_PRINT_BSTRING: + case TEP_PRINT_BITMASK: return 0; - case PRINT_FUNC: { + case TEP_PRINT_FUNC: { struct trace_seq s; trace_seq_init(&s); val = process_defined_func(&s, data, size, event, arg); trace_seq_destroy(&s); return val; } - case PRINT_OP: + case TEP_PRINT_OP: if (strcmp(arg->op.op, "[") == 0) { /* * Arrays are special, since we don't want @@ -3578,7 +3580,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg /* handle typecasts */ larg = arg->op.left; - while (larg->type == PRINT_TYPE) { + while (larg->type == TEP_PRINT_TYPE) { if (!typearg) typearg = larg; larg = larg->typecast.item; @@ -3588,7 +3590,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg field_size = pevent->long_size; switch (larg->type) { - case PRINT_DYNAMIC_ARRAY: + case TEP_PRINT_DYNAMIC_ARRAY: offset = tep_read_number(pevent, data + larg->dynarray.field->offset, larg->dynarray.field->size); @@ -3602,7 +3604,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg offset &= 0xffff; offset += right; break; - case PRINT_FIELD: + case TEP_PRINT_FIELD: if (!larg->field.field) { larg->field.field = tep_find_any_field(event, larg->field.name); @@ -3718,7 +3720,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg goto out_warning_op; } break; - case PRINT_DYNAMIC_ARRAY_LEN: + case TEP_PRINT_DYNAMIC_ARRAY_LEN: offset = tep_read_number(pevent, data + arg->dynarray.field->offset, arg->dynarray.field->size); @@ -3729,7 +3731,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg */ val = (unsigned long long)(offset >> 16); break; - case PRINT_DYNAMIC_ARRAY: + case TEP_PRINT_DYNAMIC_ARRAY: /* Without [], we pass the address to the dynamic data */ offset = tep_read_number(pevent, data + arg->dynarray.field->offset, @@ -3861,12 +3863,12 @@ static void print_bitmask_to_seq(struct tep_handle *pevent, } static void print_str_arg(struct trace_seq *s, void *data, int size, - struct event_format *event, const char *format, - int len_arg, struct print_arg *arg) + struct tep_event_format *event, const char *format, + int len_arg, struct tep_print_arg *arg) { struct tep_handle *pevent = event->pevent; - struct print_flag_sym *flag; - struct format_field *field; + struct tep_print_flag_sym *flag; + struct tep_format_field *field; struct printk_map *printk; long long val, fval; unsigned long long addr; @@ -3876,13 +3878,13 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, int i, len; switch (arg->type) { - case PRINT_NULL: + case TEP_PRINT_NULL: /* ?? */ return; - case PRINT_ATOM: + case TEP_PRINT_ATOM: print_str_to_seq(s, format, len_arg, arg->atom.atom); return; - case PRINT_FIELD: + case TEP_PRINT_FIELD: field = arg->field.field; if (!field) { field = tep_find_any_field(event, arg->field.name); @@ -3900,7 +3902,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, * and the size is the same as long_size, assume that it * is a pointer. */ - if (!(field->flags & FIELD_IS_ARRAY) && + if (!(field->flags & TEP_FIELD_IS_ARRAY) && field->size == pevent->long_size) { /* Handle heterogeneous recording and processing @@ -3939,7 +3941,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, print_str_to_seq(s, format, len_arg, str); free(str); break; - case PRINT_FLAGS: + case TEP_PRINT_FLAGS: val = eval_num_arg(data, size, event, arg->flags.field); print = 0; for (flag = arg->flags.flags; flag; flag = flag->next) { @@ -3962,7 +3964,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, trace_seq_printf(s, "0x%llx", val); } break; - case PRINT_SYMBOL: + case TEP_PRINT_SYMBOL: val = eval_num_arg(data, size, event, arg->symbol.field); for (flag = arg->symbol.symbols; flag; flag = flag->next) { fval = eval_flag(flag->value); @@ -3974,9 +3976,9 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, if (!flag) trace_seq_printf(s, "0x%llx", val); break; - case PRINT_HEX: - case PRINT_HEX_STR: - if (arg->hex.field->type == PRINT_DYNAMIC_ARRAY) { + case TEP_PRINT_HEX: + case TEP_PRINT_HEX_STR: + if (arg->hex.field->type == TEP_PRINT_DYNAMIC_ARRAY) { unsigned long offset; offset = tep_read_number(pevent, data + arg->hex.field->dynarray.field->offset, @@ -3995,19 +3997,19 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, } len = eval_num_arg(data, size, event, arg->hex.size); for (i = 0; i < len; i++) { - if (i && arg->type == PRINT_HEX) + if (i && arg->type == TEP_PRINT_HEX) trace_seq_putc(s, ' '); trace_seq_printf(s, "%02x", hex[i]); } break; - case PRINT_INT_ARRAY: { + case TEP_PRINT_INT_ARRAY: { void *num; int el_size; - if (arg->int_array.field->type == PRINT_DYNAMIC_ARRAY) { + if (arg->int_array.field->type == TEP_PRINT_DYNAMIC_ARRAY) { unsigned long offset; - struct format_field *field = + struct tep_format_field *field = arg->int_array.field->dynarray.field; offset = tep_read_number(pevent, data + field->offset, @@ -4049,43 +4051,43 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, } break; } - case PRINT_TYPE: + case TEP_PRINT_TYPE: break; - case PRINT_STRING: { + case TEP_PRINT_STRING: { int str_offset; if (arg->string.offset == -1) { - struct format_field *f; + struct tep_format_field *f; f = tep_find_any_field(event, arg->string.string); arg->string.offset = f->offset; } - str_offset = data2host4(pevent, data + arg->string.offset); + str_offset = tep_data2host4(pevent, data + arg->string.offset); str_offset &= 0xffff; print_str_to_seq(s, format, len_arg, ((char *)data) + str_offset); break; } - case PRINT_BSTRING: + case TEP_PRINT_BSTRING: print_str_to_seq(s, format, len_arg, arg->string.string); break; - case PRINT_BITMASK: { + case TEP_PRINT_BITMASK: { int bitmask_offset; int bitmask_size; if (arg->bitmask.offset == -1) { - struct format_field *f; + struct tep_format_field *f; f = tep_find_any_field(event, arg->bitmask.bitmask); arg->bitmask.offset = f->offset; } - bitmask_offset = data2host4(pevent, data + arg->bitmask.offset); + bitmask_offset = tep_data2host4(pevent, data + arg->bitmask.offset); bitmask_size = bitmask_offset >> 16; bitmask_offset &= 0xffff; print_bitmask_to_seq(pevent, s, format, len_arg, data + bitmask_offset, bitmask_size); break; } - case PRINT_OP: + case TEP_PRINT_OP: /* * The only op for string should be ? : */ @@ -4099,7 +4101,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, print_str_arg(s, data, size, event, format, len_arg, arg->op.right->op.right); break; - case PRINT_FUNC: + case TEP_PRINT_FUNC: process_defined_func(s, data, size, event, arg); break; default: @@ -4116,13 +4118,13 @@ out_warning_field: static unsigned long long process_defined_func(struct trace_seq *s, void *data, int size, - struct event_format *event, struct print_arg *arg) + struct tep_event_format *event, struct tep_print_arg *arg) { struct tep_function_handler *func_handle = arg->func.func; struct func_params *param; unsigned long long *args; unsigned long long ret; - struct print_arg *farg; + struct tep_print_arg *farg; struct trace_seq str; struct save_str { struct save_str *next; @@ -4199,9 +4201,9 @@ out_free: return ret; } -static void free_args(struct print_arg *args) +static void free_args(struct tep_print_arg *args) { - struct print_arg *next; + struct tep_print_arg *next; while (args) { next = args->next; @@ -4211,11 +4213,11 @@ static void free_args(struct print_arg *args) } } -static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event_format *event) +static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, struct tep_event_format *event) { struct tep_handle *pevent = event->pevent; - struct format_field *field, *ip_field; - struct print_arg *args, *arg, **next; + struct tep_format_field *field, *ip_field; + struct tep_print_arg *args, *arg, **next; unsigned long long ip, val; char *ptr; void *bptr; @@ -4254,7 +4256,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc arg->next = NULL; next = &arg->next; - arg->type = PRINT_ATOM; + arg->type = TEP_PRINT_ATOM; if (asprintf(&arg->atom.atom, "%lld", ip) < 0) goto out_free; @@ -4342,7 +4344,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc goto out_free; } arg->next = NULL; - arg->type = PRINT_ATOM; + arg->type = TEP_PRINT_ATOM; if (asprintf(&arg->atom.atom, "%lld", val) < 0) { free(arg); goto out_free; @@ -4366,7 +4368,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc goto out_free; } arg->next = NULL; - arg->type = PRINT_BSTRING; + arg->type = TEP_PRINT_BSTRING; arg->string.string = strdup(bptr); if (!arg->string.string) goto out_free; @@ -4388,11 +4390,11 @@ out_free: static char * get_bprint_format(void *data, int size __maybe_unused, - struct event_format *event) + struct tep_event_format *event) { struct tep_handle *pevent = event->pevent; unsigned long long addr; - struct format_field *field; + struct tep_format_field *field; struct printk_map *printk; char *format; @@ -4423,17 +4425,17 @@ get_bprint_format(void *data, int size __maybe_unused, } static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size, - struct event_format *event, struct print_arg *arg) + struct tep_event_format *event, struct tep_print_arg *arg) { unsigned char *buf; const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x"; - if (arg->type == PRINT_FUNC) { + if (arg->type == TEP_PRINT_FUNC) { process_defined_func(s, data, size, event, arg); return; } - if (arg->type != PRINT_FIELD) { + if (arg->type != TEP_PRINT_FIELD) { trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type); return; @@ -4576,17 +4578,17 @@ static void print_ip6_addr(struct trace_seq *s, char i, unsigned char *buf) * %pISpc print an IP address based on sockaddr; p adds port. */ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i, - void *data, int size, struct event_format *event, - struct print_arg *arg) + void *data, int size, struct tep_event_format *event, + struct tep_print_arg *arg) { unsigned char *buf; - if (arg->type == PRINT_FUNC) { + if (arg->type == TEP_PRINT_FUNC) { process_defined_func(s, data, size, event, arg); return 0; } - if (arg->type != PRINT_FIELD) { + if (arg->type != TEP_PRINT_FIELD) { trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type); return 0; } @@ -4613,8 +4615,8 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i, } static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i, - void *data, int size, struct event_format *event, - struct print_arg *arg) + void *data, int size, struct tep_event_format *event, + struct tep_print_arg *arg) { char have_c = 0; unsigned char *buf; @@ -4627,12 +4629,12 @@ static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i, rc++; } - if (arg->type == PRINT_FUNC) { + if (arg->type == TEP_PRINT_FUNC) { process_defined_func(s, data, size, event, arg); return rc; } - if (arg->type != PRINT_FIELD) { + if (arg->type != TEP_PRINT_FIELD) { trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type); return rc; } @@ -4663,8 +4665,8 @@ static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i, } static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i, - void *data, int size, struct event_format *event, - struct print_arg *arg) + void *data, int size, struct tep_event_format *event, + struct tep_print_arg *arg) { char have_c = 0, have_p = 0; unsigned char *buf; @@ -4685,12 +4687,12 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i, } } - if (arg->type == PRINT_FUNC) { + if (arg->type == TEP_PRINT_FUNC) { process_defined_func(s, data, size, event, arg); return rc; } - if (arg->type != PRINT_FIELD) { + if (arg->type != TEP_PRINT_FIELD) { trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type); return rc; } @@ -4745,8 +4747,8 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i, } static int print_ip_arg(struct trace_seq *s, const char *ptr, - void *data, int size, struct event_format *event, - struct print_arg *arg) + void *data, int size, struct tep_event_format *event, + struct tep_print_arg *arg) { char i = *ptr; /* 'i' or 'I' */ char ver; @@ -4787,22 +4789,22 @@ static int is_printable_array(char *p, unsigned int len) } void tep_print_field(struct trace_seq *s, void *data, - struct format_field *field) + struct tep_format_field *field) { unsigned long long val; unsigned int offset, len, i; struct tep_handle *pevent = field->event->pevent; - if (field->flags & FIELD_IS_ARRAY) { + if (field->flags & TEP_FIELD_IS_ARRAY) { offset = field->offset; len = field->size; - if (field->flags & FIELD_IS_DYNAMIC) { + if (field->flags & TEP_FIELD_IS_DYNAMIC) { val = tep_read_number(pevent, data + offset, len); offset = val; len = offset >> 16; offset &= 0xffff; } - if (field->flags & FIELD_IS_STRING && + if (field->flags & TEP_FIELD_IS_STRING && is_printable_array(data + offset, len)) { trace_seq_printf(s, "%s", (char *)data + offset); } else { @@ -4814,21 +4816,21 @@ void tep_print_field(struct trace_seq *s, void *data, *((unsigned char *)data + offset + i)); } trace_seq_putc(s, ']'); - field->flags &= ~FIELD_IS_STRING; + field->flags &= ~TEP_FIELD_IS_STRING; } } else { val = tep_read_number(pevent, data + field->offset, field->size); - if (field->flags & FIELD_IS_POINTER) { + if (field->flags & TEP_FIELD_IS_POINTER) { trace_seq_printf(s, "0x%llx", val); - } else if (field->flags & FIELD_IS_SIGNED) { + } else if (field->flags & TEP_FIELD_IS_SIGNED) { switch (field->size) { case 4: /* * If field is long then print it in hex. * A long usually stores pointers. */ - if (field->flags & FIELD_IS_LONG) + if (field->flags & TEP_FIELD_IS_LONG) trace_seq_printf(s, "0x%x", (int)val); else trace_seq_printf(s, "%d", (int)val); @@ -4843,7 +4845,7 @@ void tep_print_field(struct trace_seq *s, void *data, trace_seq_printf(s, "%lld", val); } } else { - if (field->flags & FIELD_IS_LONG) + if (field->flags & TEP_FIELD_IS_LONG) trace_seq_printf(s, "0x%llx", val); else trace_seq_printf(s, "%llu", val); @@ -4852,9 +4854,9 @@ void tep_print_field(struct trace_seq *s, void *data, } void tep_print_fields(struct trace_seq *s, void *data, - int size __maybe_unused, struct event_format *event) + int size __maybe_unused, struct tep_event_format *event) { - struct format_field *field; + struct tep_format_field *field; field = event->format.fields; while (field) { @@ -4864,12 +4866,12 @@ void tep_print_fields(struct trace_seq *s, void *data, } } -static void pretty_print(struct trace_seq *s, void *data, int size, struct event_format *event) +static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event_format *event) { struct tep_handle *pevent = event->pevent; - struct print_fmt *print_fmt = &event->print_fmt; - struct print_arg *arg = print_fmt->args; - struct print_arg *args = NULL; + struct tep_print_fmt *print_fmt = &event->print_fmt; + struct tep_print_arg *arg = print_fmt->args; + struct tep_print_arg *args = NULL; const char *ptr = print_fmt->format; unsigned long long val; struct func_map *func; @@ -4883,13 +4885,13 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event int len; int ls; - if (event->flags & EVENT_FL_FAILED) { + if (event->flags & TEP_EVENT_FL_FAILED) { trace_seq_printf(s, "[FAILED TO PARSE]"); tep_print_fields(s, data, size, event); return; } - if (event->flags & EVENT_FL_ISBPRINT) { + if (event->flags & TEP_EVENT_FL_ISBPRINT) { bprint_fmt = get_bprint_format(data, size, event); args = make_bprint_args(bprint_fmt, data, size, event); arg = args; @@ -4944,7 +4946,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event /* The argument is the length. */ if (!arg) { do_warning_event(event, "no argument match"); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; goto out_failed; } len_arg = eval_num_arg(data, size, event, arg); @@ -4966,7 +4968,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event if (isalnum(ptr[1])) ptr++; - if (arg->type == PRINT_BSTRING) { + if (arg->type == TEP_PRINT_BSTRING) { trace_seq_puts(s, arg->string.string); break; } @@ -4997,7 +4999,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event case 'u': if (!arg) { do_warning_event(event, "no argument match"); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; goto out_failed; } @@ -5007,7 +5009,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event /* should never happen */ if (len > 31) { do_warning_event(event, "bad format!"); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; len = 31; } @@ -5073,13 +5075,13 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event break; default: do_warning_event(event, "bad count (%d)", ls); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; } break; case 's': if (!arg) { do_warning_event(event, "no matching argument"); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; goto out_failed; } @@ -5089,7 +5091,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event /* should never happen */ if (len > 31) { do_warning_event(event, "bad format!"); - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; len = 31; } @@ -5114,7 +5116,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event trace_seq_putc(s, *ptr); } - if (event->flags & EVENT_FL_FAILED) { + if (event->flags & TEP_EVENT_FL_FAILED) { out_failed: trace_seq_printf(s, "[FAILED TO PARSE]"); } @@ -5227,7 +5229,7 @@ int tep_data_type(struct tep_handle *pevent, struct tep_record *rec) * * This returns the event form a given @type; */ -struct event_format *tep_data_event_from_type(struct tep_handle *pevent, int type) +struct tep_event_format *tep_data_event_from_type(struct tep_handle *pevent, int type) { return tep_find_event(pevent, type); } @@ -5385,16 +5387,16 @@ int tep_cmdline_pid(struct tep_handle *pevent, struct cmdline *cmdline) * This parses the raw @data using the given @event information and * writes the print format into the trace_seq. */ -void tep_event_info(struct trace_seq *s, struct event_format *event, +void tep_event_info(struct trace_seq *s, struct tep_event_format *event, struct tep_record *record) { int print_pretty = 1; - if (event->pevent->print_raw || (event->flags & EVENT_FL_PRINTRAW)) + if (event->pevent->print_raw || (event->flags & TEP_EVENT_FL_PRINTRAW)) tep_print_fields(s, record->data, record->size, event); else { - if (event->handler && !(event->flags & EVENT_FL_NOHANDLE)) + if (event->handler && !(event->flags & TEP_EVENT_FL_NOHANDLE)) print_pretty = event->handler(s, record, event, event->context); @@ -5426,7 +5428,7 @@ static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock) * Returns the associated event for a given record, or NULL if non is * is found. */ -struct event_format * +struct tep_event_format * tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record) { int type; @@ -5451,7 +5453,7 @@ tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record) * Writes the tasks comm, pid and CPU to @s. */ void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record) { void *data = record->data; @@ -5479,7 +5481,7 @@ void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s, * Writes the timestamp of the record into @s. */ void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record, bool use_trace_clock) { @@ -5529,7 +5531,7 @@ void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s, * Writes the parsing of the record's data to @s. */ void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record) { static const char *spaces = " "; /* 20 spaces */ @@ -5548,7 +5550,7 @@ void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s, void tep_print_event(struct tep_handle *pevent, struct trace_seq *s, struct tep_record *record, bool use_trace_clock) { - struct event_format *event; + struct tep_event_format *event; event = tep_find_event_by_record(pevent, record); if (!event) { @@ -5570,8 +5572,8 @@ void tep_print_event(struct tep_handle *pevent, struct trace_seq *s, static int events_id_cmp(const void *a, const void *b) { - struct event_format * const * ea = a; - struct event_format * const * eb = b; + struct tep_event_format * const * ea = a; + struct tep_event_format * const * eb = b; if ((*ea)->id < (*eb)->id) return -1; @@ -5584,8 +5586,8 @@ static int events_id_cmp(const void *a, const void *b) static int events_name_cmp(const void *a, const void *b) { - struct event_format * const * ea = a; - struct event_format * const * eb = b; + struct tep_event_format * const * ea = a; + struct tep_event_format * const * eb = b; int res; res = strcmp((*ea)->name, (*eb)->name); @@ -5601,8 +5603,8 @@ static int events_name_cmp(const void *a, const void *b) static int events_system_cmp(const void *a, const void *b) { - struct event_format * const * ea = a; - struct event_format * const * eb = b; + struct tep_event_format * const * ea = a; + struct tep_event_format * const * eb = b; int res; res = strcmp((*ea)->system, (*eb)->system); @@ -5616,9 +5618,9 @@ static int events_system_cmp(const void *a, const void *b) return events_id_cmp(a, b); } -struct event_format **tep_list_events(struct tep_handle *pevent, enum event_sort_type sort_type) +struct tep_event_format **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type sort_type) { - struct event_format **events; + struct tep_event_format **events; int (*sort)(const void *a, const void *b); events = pevent->sort_events; @@ -5637,20 +5639,20 @@ struct event_format **tep_list_events(struct tep_handle *pevent, enum event_sort pevent->sort_events = events; /* the internal events are sorted by id */ - if (sort_type == EVENT_SORT_ID) { + if (sort_type == TEP_EVENT_SORT_ID) { pevent->last_type = sort_type; return events; } } switch (sort_type) { - case EVENT_SORT_ID: + case TEP_EVENT_SORT_ID: sort = events_id_cmp; break; - case EVENT_SORT_NAME: + case TEP_EVENT_SORT_NAME: sort = events_name_cmp; break; - case EVENT_SORT_SYSTEM: + case TEP_EVENT_SORT_SYSTEM: sort = events_system_cmp; break; default: @@ -5663,12 +5665,12 @@ struct event_format **tep_list_events(struct tep_handle *pevent, enum event_sort return events; } -static struct format_field ** +static struct tep_format_field ** get_event_fields(const char *type, const char *name, - int count, struct format_field *list) + int count, struct tep_format_field *list) { - struct format_field **fields; - struct format_field *field; + struct tep_format_field **fields; + struct tep_format_field *field; int i = 0; fields = malloc(sizeof(*fields) * (count + 1)); @@ -5701,7 +5703,7 @@ get_event_fields(const char *type, const char *name, * Returns an allocated array of fields. The last item in the array is NULL. * The array must be freed with free(). */ -struct format_field **tep_event_common_fields(struct event_format *event) +struct tep_format_field **tep_event_common_fields(struct tep_event_format *event) { return get_event_fields("common", event->name, event->format.nr_common, @@ -5715,14 +5717,14 @@ struct format_field **tep_event_common_fields(struct event_format *event) * Returns an allocated array of fields. The last item in the array is NULL. * The array must be freed with free(). */ -struct format_field **tep_event_fields(struct event_format *event) +struct tep_format_field **tep_event_fields(struct tep_event_format *event) { return get_event_fields("event", event->name, event->format.nr_fields, event->format.fields); } -static void print_fields(struct trace_seq *s, struct print_flag_sym *field) +static void print_fields(struct trace_seq *s, struct tep_print_flag_sym *field) { trace_seq_printf(s, "{ %s, %s }", field->value, field->str); if (field->next) { @@ -5732,22 +5734,22 @@ static void print_fields(struct trace_seq *s, struct print_flag_sym *field) } /* for debugging */ -static void print_args(struct print_arg *args) +static void print_args(struct tep_print_arg *args) { int print_paren = 1; struct trace_seq s; switch (args->type) { - case PRINT_NULL: + case TEP_PRINT_NULL: printf("null"); break; - case PRINT_ATOM: + case TEP_PRINT_ATOM: printf("%s", args->atom.atom); break; - case PRINT_FIELD: + case TEP_PRINT_FIELD: printf("REC->%s", args->field.name); break; - case PRINT_FLAGS: + case TEP_PRINT_FLAGS: printf("__print_flags("); print_args(args->flags.field); printf(", %s, ", args->flags.delim); @@ -5757,7 +5759,7 @@ static void print_args(struct print_arg *args) trace_seq_destroy(&s); printf(")"); break; - case PRINT_SYMBOL: + case TEP_PRINT_SYMBOL: printf("__print_symbolic("); print_args(args->symbol.field); printf(", "); @@ -5767,21 +5769,21 @@ static void print_args(struct print_arg *args) trace_seq_destroy(&s); printf(")"); break; - case PRINT_HEX: + case TEP_PRINT_HEX: printf("__print_hex("); print_args(args->hex.field); printf(", "); print_args(args->hex.size); printf(")"); break; - case PRINT_HEX_STR: + case TEP_PRINT_HEX_STR: printf("__print_hex_str("); print_args(args->hex.field); printf(", "); print_args(args->hex.size); printf(")"); break; - case PRINT_INT_ARRAY: + case TEP_PRINT_INT_ARRAY: printf("__print_array("); print_args(args->int_array.field); printf(", "); @@ -5790,18 +5792,18 @@ static void print_args(struct print_arg *args) print_args(args->int_array.el_size); printf(")"); break; - case PRINT_STRING: - case PRINT_BSTRING: + case TEP_PRINT_STRING: + case TEP_PRINT_BSTRING: printf("__get_str(%s)", args->string.string); break; - case PRINT_BITMASK: + case TEP_PRINT_BITMASK: printf("__get_bitmask(%s)", args->bitmask.bitmask); break; - case PRINT_TYPE: + case TEP_PRINT_TYPE: printf("(%s)", args->typecast.type); print_args(args->typecast.item); break; - case PRINT_OP: + case TEP_PRINT_OP: if (strcmp(args->op.op, ":") == 0) print_paren = 0; if (print_paren) @@ -5833,13 +5835,13 @@ static void parse_header_field(const char *field, save_input_buf_ptr = input_buf_ptr; save_input_buf_siz = input_buf_siz; - if (read_expected(EVENT_ITEM, "field") < 0) + if (read_expected(TEP_EVENT_ITEM, "field") < 0) return; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return; /* type */ - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; free_token(token); @@ -5847,42 +5849,42 @@ static void parse_header_field(const char *field, * If this is not a mandatory field, then test it first. */ if (mandatory) { - if (read_expected(EVENT_ITEM, field) < 0) + if (read_expected(TEP_EVENT_ITEM, field) < 0) return; } else { - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; if (strcmp(token, field) != 0) goto discard; free_token(token); } - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) return; - if (read_expected(EVENT_ITEM, "offset") < 0) + if (read_expected(TEP_EVENT_ITEM, "offset") < 0) return; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; *offset = atoi(token); free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) return; - if (read_expected(EVENT_ITEM, "size") < 0) + if (read_expected(TEP_EVENT_ITEM, "size") < 0) return; - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return; - if (read_expect_type(EVENT_ITEM, &token) < 0) + if (read_expect_type(TEP_EVENT_ITEM, &token) < 0) goto fail; *size = atoi(token); free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) return; type = read_token(&token); - if (type != EVENT_NEWLINE) { + if (type != TEP_EVENT_NEWLINE) { /* newer versions of the kernel have a "signed" type */ - if (type != EVENT_ITEM) + if (type != TEP_EVENT_ITEM) goto fail; if (strcmp(token, "signed") != 0) @@ -5890,17 +5892,17 @@ static void parse_header_field(const char *field, free_token(token); - if (read_expected(EVENT_OP, ":") < 0) + if (read_expected(TEP_EVENT_OP, ":") < 0) return; - if (read_expect_type(EVENT_ITEM, &token)) + if (read_expect_type(TEP_EVENT_ITEM, &token)) goto fail; free_token(token); - if (read_expected(EVENT_OP, ";") < 0) + if (read_expected(TEP_EVENT_OP, ";") < 0) return; - if (read_expect_type(EVENT_NEWLINE, &token)) + if (read_expect_type(TEP_EVENT_NEWLINE, &token)) goto fail; } fail: @@ -5957,7 +5959,7 @@ int tep_parse_header_page(struct tep_handle *pevent, char *buf, unsigned long si return 0; } -static int event_matches(struct event_format *event, +static int event_matches(struct tep_event_format *event, int id, const char *sys_name, const char *event_name) { @@ -5980,7 +5982,7 @@ static void free_handler(struct event_handler *handle) free(handle); } -static int find_event_handle(struct tep_handle *pevent, struct event_format *event) +static int find_event_handle(struct tep_handle *pevent, struct tep_event_format *event) { struct event_handler *handle, **next; @@ -6021,11 +6023,11 @@ static int find_event_handle(struct tep_handle *pevent, struct event_format *eve * * /sys/kernel/debug/tracing/events/.../.../format */ -enum tep_errno __tep_parse_format(struct event_format **eventp, +enum tep_errno __tep_parse_format(struct tep_event_format **eventp, struct tep_handle *pevent, const char *buf, unsigned long size, const char *sys) { - struct event_format *event; + struct tep_event_format *event; int ret; init_input_buf(buf, size); @@ -6042,10 +6044,10 @@ enum tep_errno __tep_parse_format(struct event_format **eventp, } if (strcmp(sys, "ftrace") == 0) { - event->flags |= EVENT_FL_ISFTRACE; + event->flags |= TEP_EVENT_FL_ISFTRACE; if (strcmp(event->name, "bprint") == 0) - event->flags |= EVENT_FL_ISBPRINT; + event->flags |= TEP_EVENT_FL_ISBPRINT; } event->id = event_read_id(); @@ -6088,22 +6090,22 @@ enum tep_errno __tep_parse_format(struct event_format **eventp, goto event_parse_failed; } - if (!ret && (event->flags & EVENT_FL_ISFTRACE)) { - struct format_field *field; - struct print_arg *arg, **list; + if (!ret && (event->flags & TEP_EVENT_FL_ISFTRACE)) { + struct tep_format_field *field; + struct tep_print_arg *arg, **list; /* old ftrace had no args */ list = &event->print_fmt.args; for (field = event->format.fields; field; field = field->next) { arg = alloc_arg(); if (!arg) { - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; return TEP_ERRNO__OLD_FTRACE_ARG_FAILED; } - arg->type = PRINT_FIELD; + arg->type = TEP_PRINT_FIELD; arg->field.name = strdup(field->name); if (!arg->field.name) { - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; free_arg(arg); return TEP_ERRNO__OLD_FTRACE_ARG_FAILED; } @@ -6117,7 +6119,7 @@ enum tep_errno __tep_parse_format(struct event_format **eventp, return 0; event_parse_failed: - event->flags |= EVENT_FL_FAILED; + event->flags |= TEP_EVENT_FL_FAILED; return ret; event_alloc_failed: @@ -6130,12 +6132,12 @@ enum tep_errno __tep_parse_format(struct event_format **eventp, static enum tep_errno __parse_event(struct tep_handle *pevent, - struct event_format **eventp, + struct tep_event_format **eventp, const char *buf, unsigned long size, const char *sys) { int ret = __tep_parse_format(eventp, pevent, buf, size, sys); - struct event_format *event = *eventp; + struct tep_event_format *event = *eventp; if (event == NULL) return ret; @@ -6172,7 +6174,7 @@ event_add_failed: * /sys/kernel/debug/tracing/events/.../.../format */ enum tep_errno tep_parse_format(struct tep_handle *pevent, - struct event_format **eventp, + struct tep_event_format **eventp, const char *buf, unsigned long size, const char *sys) { @@ -6196,40 +6198,11 @@ enum tep_errno tep_parse_format(struct tep_handle *pevent, enum tep_errno tep_parse_event(struct tep_handle *pevent, const char *buf, unsigned long size, const char *sys) { - struct event_format *event = NULL; + struct tep_event_format *event = NULL; return __parse_event(pevent, &event, buf, size, sys); } -#undef _PE -#define _PE(code, str) str -static const char * const tep_error_str[] = { - TEP_ERRORS -}; -#undef _PE - -int tep_strerror(struct tep_handle *pevent __maybe_unused, - enum tep_errno errnum, char *buf, size_t buflen) -{ - int idx; - const char *msg; - - if (errnum >= 0) { - str_error_r(errnum, buf, buflen); - return 0; - } - - if (errnum <= __TEP_ERRNO__START || - errnum >= __TEP_ERRNO__END) - return -1; - - idx = errnum - __TEP_ERRNO__START - 1; - msg = tep_error_str[idx]; - snprintf(buf, buflen, "%s", msg); - - return 0; -} - -int get_field_val(struct trace_seq *s, struct format_field *field, +int get_field_val(struct trace_seq *s, struct tep_format_field *field, const char *name, struct tep_record *record, unsigned long long *val, int err) { @@ -6262,11 +6235,11 @@ int get_field_val(struct trace_seq *s, struct format_field *field, * * On failure, it returns NULL. */ -void *tep_get_field_raw(struct trace_seq *s, struct event_format *event, +void *tep_get_field_raw(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, int *len, int err) { - struct format_field *field; + struct tep_format_field *field; void *data = record->data; unsigned offset; int dummy; @@ -6287,7 +6260,7 @@ void *tep_get_field_raw(struct trace_seq *s, struct event_format *event, len = &dummy; offset = field->offset; - if (field->flags & FIELD_IS_DYNAMIC) { + if (field->flags & TEP_FIELD_IS_DYNAMIC) { offset = tep_read_number(event->pevent, data + offset, field->size); *len = offset >> 16; @@ -6309,11 +6282,11 @@ void *tep_get_field_raw(struct trace_seq *s, struct event_format *event, * * Returns 0 on success -1 on field not found. */ -int tep_get_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err) { - struct format_field *field; + struct tep_format_field *field; if (!event) return -1; @@ -6334,11 +6307,11 @@ int tep_get_field_val(struct trace_seq *s, struct event_format *event, * * Returns 0 on success -1 on field not found. */ -int tep_get_common_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_common_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err) { - struct format_field *field; + struct tep_format_field *field; if (!event) return -1; @@ -6359,11 +6332,11 @@ int tep_get_common_field_val(struct trace_seq *s, struct event_format *event, * * Returns 0 on success -1 on field not found. */ -int tep_get_any_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_any_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err) { - struct format_field *field; + struct tep_format_field *field; if (!event) return -1; @@ -6385,10 +6358,10 @@ int tep_get_any_field_val(struct trace_seq *s, struct event_format *event, * Returns: 0 on success, -1 field not found, or 1 if buffer is full. */ int tep_print_num_field(struct trace_seq *s, const char *fmt, - struct event_format *event, const char *name, + struct tep_event_format *event, const char *name, struct tep_record *record, int err) { - struct format_field *field = tep_find_field(event, name); + struct tep_format_field *field = tep_find_field(event, name); unsigned long long val; if (!field) @@ -6417,10 +6390,10 @@ int tep_print_num_field(struct trace_seq *s, const char *fmt, * Returns: 0 on success, -1 field not found, or 1 if buffer is full. */ int tep_print_func_field(struct trace_seq *s, const char *fmt, - struct event_format *event, const char *name, + struct tep_event_format *event, const char *name, struct tep_record *record, int err) { - struct format_field *field = tep_find_field(event, name); + struct tep_format_field *field = tep_find_field(event, name); struct tep_handle *pevent = event->pevent; unsigned long long val; struct func_map *func; @@ -6577,11 +6550,11 @@ int tep_unregister_print_function(struct tep_handle *pevent, return -1; } -static struct event_format *search_event(struct tep_handle *pevent, int id, +static struct tep_event_format *search_event(struct tep_handle *pevent, int id, const char *sys_name, const char *event_name) { - struct event_format *event; + struct tep_event_format *event; if (id >= 0) { /* search by id */ @@ -6621,7 +6594,7 @@ int tep_register_event_handler(struct tep_handle *pevent, int id, const char *sys_name, const char *event_name, tep_event_handler_func func, void *context) { - struct event_format *event; + struct tep_event_format *event; struct event_handler *handle; event = search_event(pevent, id, sys_name, event_name); @@ -6705,7 +6678,7 @@ int tep_unregister_event_handler(struct tep_handle *pevent, int id, const char *sys_name, const char *event_name, tep_event_handler_func func, void *context) { - struct event_format *event; + struct tep_event_format *event; struct event_handler *handle; struct event_handler **next; @@ -6757,7 +6730,7 @@ void tep_ref(struct tep_handle *pevent) pevent->ref_count++; } -void tep_free_format_field(struct format_field *field) +void tep_free_format_field(struct tep_format_field *field) { free(field->type); if (field->alias != field->name) @@ -6766,9 +6739,9 @@ void tep_free_format_field(struct format_field *field) free(field); } -static void free_format_fields(struct format_field *field) +static void free_format_fields(struct tep_format_field *field) { - struct format_field *next; + struct tep_format_field *next; while (field) { next = field->next; @@ -6777,13 +6750,13 @@ static void free_format_fields(struct format_field *field) } } -static void free_formats(struct format *format) +static void free_formats(struct tep_format *format) { free_format_fields(format->common_fields); free_format_fields(format->fields); } -void tep_free_format(struct event_format *event) +void tep_free_format(struct tep_event_format *event) { free(event->name); free(event->system); diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 44b7c2d41f9f..16bf4c890b6f 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -26,17 +26,12 @@ #include <regex.h> #include <string.h> +#include "trace-seq.h" + #ifndef __maybe_unused #define __maybe_unused __attribute__((unused)) #endif -/* ----------------------- trace_seq ----------------------- */ - - -#ifndef TRACE_SEQ_BUF_SIZE -#define TRACE_SEQ_BUF_SIZE 4096 -#endif - #ifndef DEBUG_RECORD #define DEBUG_RECORD 0 #endif @@ -59,51 +54,14 @@ struct tep_record { #endif }; -enum trace_seq_fail { - TRACE_SEQ__GOOD, - TRACE_SEQ__BUFFER_POISONED, - TRACE_SEQ__MEM_ALLOC_FAILED, -}; - -/* - * Trace sequences are used to allow a function to call several other functions - * to create a string of data to use (up to a max of PAGE_SIZE). - */ - -struct trace_seq { - char *buffer; - unsigned int buffer_size; - unsigned int len; - unsigned int readpos; - enum trace_seq_fail state; -}; - -void trace_seq_init(struct trace_seq *s); -void trace_seq_reset(struct trace_seq *s); -void trace_seq_destroy(struct trace_seq *s); - -extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) - __attribute__ ((format (printf, 2, 3))); -extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args) - __attribute__ ((format (printf, 2, 0))); - -extern int trace_seq_puts(struct trace_seq *s, const char *str); -extern int trace_seq_putc(struct trace_seq *s, unsigned char c); - -extern void trace_seq_terminate(struct trace_seq *s); - -extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp); -extern int trace_seq_do_printf(struct trace_seq *s); - - -/* ----------------------- pevent ----------------------- */ +/* ----------------------- tep ----------------------- */ struct tep_handle; -struct event_format; +struct tep_event_format; typedef int (*tep_event_handler_func)(struct trace_seq *s, struct tep_record *record, - struct event_format *event, + struct tep_event_format *event, void *context); typedef int (*tep_plugin_load_func)(struct tep_handle *pevent); @@ -172,20 +130,20 @@ struct tep_plugin_option { #define TEP_PLUGIN_OPTIONS_NAME MAKE_STR(TEP_PLUGIN_OPTIONS) #define TEP_PLUGIN_ALIAS_NAME MAKE_STR(TEP_PLUGIN_ALIAS) -enum format_flags { - FIELD_IS_ARRAY = 1, - FIELD_IS_POINTER = 2, - FIELD_IS_SIGNED = 4, - FIELD_IS_STRING = 8, - FIELD_IS_DYNAMIC = 16, - FIELD_IS_LONG = 32, - FIELD_IS_FLAG = 64, - FIELD_IS_SYMBOLIC = 128, +enum tep_format_flags { + TEP_FIELD_IS_ARRAY = 1, + TEP_FIELD_IS_POINTER = 2, + TEP_FIELD_IS_SIGNED = 4, + TEP_FIELD_IS_STRING = 8, + TEP_FIELD_IS_DYNAMIC = 16, + TEP_FIELD_IS_LONG = 32, + TEP_FIELD_IS_FLAG = 64, + TEP_FIELD_IS_SYMBOLIC = 128, }; -struct format_field { - struct format_field *next; - struct event_format *event; +struct tep_format_field { + struct tep_format_field *next; + struct tep_event_format *event; char *type; char *name; char *alias; @@ -196,169 +154,169 @@ struct format_field { unsigned long flags; }; -struct format { +struct tep_format { int nr_common; int nr_fields; - struct format_field *common_fields; - struct format_field *fields; + struct tep_format_field *common_fields; + struct tep_format_field *fields; }; -struct print_arg_atom { +struct tep_print_arg_atom { char *atom; }; -struct print_arg_string { +struct tep_print_arg_string { char *string; int offset; }; -struct print_arg_bitmask { +struct tep_print_arg_bitmask { char *bitmask; int offset; }; -struct print_arg_field { +struct tep_print_arg_field { char *name; - struct format_field *field; + struct tep_format_field *field; }; -struct print_flag_sym { - struct print_flag_sym *next; - char *value; - char *str; +struct tep_print_flag_sym { + struct tep_print_flag_sym *next; + char *value; + char *str; }; -struct print_arg_typecast { +struct tep_print_arg_typecast { char *type; - struct print_arg *item; + struct tep_print_arg *item; }; -struct print_arg_flags { - struct print_arg *field; - char *delim; - struct print_flag_sym *flags; +struct tep_print_arg_flags { + struct tep_print_arg *field; + char *delim; + struct tep_print_flag_sym *flags; }; -struct print_arg_symbol { - struct print_arg *field; - struct print_flag_sym *symbols; +struct tep_print_arg_symbol { + struct tep_print_arg *field; + struct tep_print_flag_sym *symbols; }; -struct print_arg_hex { - struct print_arg *field; - struct print_arg *size; +struct tep_print_arg_hex { + struct tep_print_arg *field; + struct tep_print_arg *size; }; -struct print_arg_int_array { - struct print_arg *field; - struct print_arg *count; - struct print_arg *el_size; +struct tep_print_arg_int_array { + struct tep_print_arg *field; + struct tep_print_arg *count; + struct tep_print_arg *el_size; }; -struct print_arg_dynarray { - struct format_field *field; - struct print_arg *index; +struct tep_print_arg_dynarray { + struct tep_format_field *field; + struct tep_print_arg *index; }; -struct print_arg; +struct tep_print_arg; -struct print_arg_op { +struct tep_print_arg_op { char *op; int prio; - struct print_arg *left; - struct print_arg *right; + struct tep_print_arg *left; + struct tep_print_arg *right; }; struct tep_function_handler; -struct print_arg_func { +struct tep_print_arg_func { struct tep_function_handler *func; - struct print_arg *args; -}; - -enum print_arg_type { - PRINT_NULL, - PRINT_ATOM, - PRINT_FIELD, - PRINT_FLAGS, - PRINT_SYMBOL, - PRINT_HEX, - PRINT_INT_ARRAY, - PRINT_TYPE, - PRINT_STRING, - PRINT_BSTRING, - PRINT_DYNAMIC_ARRAY, - PRINT_OP, - PRINT_FUNC, - PRINT_BITMASK, - PRINT_DYNAMIC_ARRAY_LEN, - PRINT_HEX_STR, -}; - -struct print_arg { - struct print_arg *next; - enum print_arg_type type; + struct tep_print_arg *args; +}; + +enum tep_print_arg_type { + TEP_PRINT_NULL, + TEP_PRINT_ATOM, + TEP_PRINT_FIELD, + TEP_PRINT_FLAGS, + TEP_PRINT_SYMBOL, + TEP_PRINT_HEX, + TEP_PRINT_INT_ARRAY, + TEP_PRINT_TYPE, + TEP_PRINT_STRING, + TEP_PRINT_BSTRING, + TEP_PRINT_DYNAMIC_ARRAY, + TEP_PRINT_OP, + TEP_PRINT_FUNC, + TEP_PRINT_BITMASK, + TEP_PRINT_DYNAMIC_ARRAY_LEN, + TEP_PRINT_HEX_STR, +}; + +struct tep_print_arg { + struct tep_print_arg *next; + enum tep_print_arg_type type; union { - struct print_arg_atom atom; - struct print_arg_field field; - struct print_arg_typecast typecast; - struct print_arg_flags flags; - struct print_arg_symbol symbol; - struct print_arg_hex hex; - struct print_arg_int_array int_array; - struct print_arg_func func; - struct print_arg_string string; - struct print_arg_bitmask bitmask; - struct print_arg_op op; - struct print_arg_dynarray dynarray; + struct tep_print_arg_atom atom; + struct tep_print_arg_field field; + struct tep_print_arg_typecast typecast; + struct tep_print_arg_flags flags; + struct tep_print_arg_symbol symbol; + struct tep_print_arg_hex hex; + struct tep_print_arg_int_array int_array; + struct tep_print_arg_func func; + struct tep_print_arg_string string; + struct tep_print_arg_bitmask bitmask; + struct tep_print_arg_op op; + struct tep_print_arg_dynarray dynarray; }; }; -struct print_fmt { +struct tep_print_fmt { char *format; - struct print_arg *args; + struct tep_print_arg *args; }; -struct event_format { +struct tep_event_format { struct tep_handle *pevent; char *name; int id; int flags; - struct format format; - struct print_fmt print_fmt; + struct tep_format format; + struct tep_print_fmt print_fmt; char *system; tep_event_handler_func handler; void *context; }; enum { - EVENT_FL_ISFTRACE = 0x01, - EVENT_FL_ISPRINT = 0x02, - EVENT_FL_ISBPRINT = 0x04, - EVENT_FL_ISFUNCENT = 0x10, - EVENT_FL_ISFUNCRET = 0x20, - EVENT_FL_NOHANDLE = 0x40, - EVENT_FL_PRINTRAW = 0x80, + TEP_EVENT_FL_ISFTRACE = 0x01, + TEP_EVENT_FL_ISPRINT = 0x02, + TEP_EVENT_FL_ISBPRINT = 0x04, + TEP_EVENT_FL_ISFUNCENT = 0x10, + TEP_EVENT_FL_ISFUNCRET = 0x20, + TEP_EVENT_FL_NOHANDLE = 0x40, + TEP_EVENT_FL_PRINTRAW = 0x80, - EVENT_FL_FAILED = 0x80000000 + TEP_EVENT_FL_FAILED = 0x80000000 }; -enum event_sort_type { - EVENT_SORT_ID, - EVENT_SORT_NAME, - EVENT_SORT_SYSTEM, +enum tep_event_sort_type { + TEP_EVENT_SORT_ID, + TEP_EVENT_SORT_NAME, + TEP_EVENT_SORT_SYSTEM, }; -enum event_type { - EVENT_ERROR, - EVENT_NONE, - EVENT_SPACE, - EVENT_NEWLINE, - EVENT_OP, - EVENT_DELIM, - EVENT_ITEM, - EVENT_DQUOTE, - EVENT_SQUOTE, +enum tep_event_type { + TEP_EVENT_ERROR, + TEP_EVENT_NONE, + TEP_EVENT_SPACE, + TEP_EVENT_NEWLINE, + TEP_EVENT_OP, + TEP_EVENT_DELIM, + TEP_EVENT_ITEM, + TEP_EVENT_DQUOTE, + TEP_EVENT_SQUOTE, }; typedef unsigned long long (*tep_func_handler)(struct trace_seq *s, @@ -431,12 +389,12 @@ enum tep_errno { }; #undef _PE -struct plugin_list; +struct tep_plugin_list; #define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1)) -struct plugin_list *tep_load_plugins(struct tep_handle *pevent); -void tep_unload_plugins(struct plugin_list *plugin_list, +struct tep_plugin_list *tep_load_plugins(struct tep_handle *pevent); +void tep_unload_plugins(struct tep_plugin_list *plugin_list, struct tep_handle *pevent); char **tep_plugin_list_options(void); void tep_plugin_free_options_list(char **list); @@ -445,156 +403,25 @@ int tep_plugin_add_options(const char *name, void tep_plugin_remove_options(struct tep_plugin_option *options); void tep_print_plugins(struct trace_seq *s, const char *prefix, const char *suffix, - const struct plugin_list *list); - -struct cmdline; -struct cmdline_list; -struct func_map; -struct func_list; -struct event_handler; -struct func_resolver; + const struct tep_plugin_list *list); +/* tep_handle */ typedef char *(tep_func_resolver_t)(void *priv, unsigned long long *addrp, char **modp); +void tep_set_flag(struct tep_handle *tep, int flag); +unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data); +unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data); +unsigned long long +__tep_data2host8(struct tep_handle *pevent, unsigned long long data); -struct tep_handle { - int ref_count; - - int header_page_ts_offset; - int header_page_ts_size; - int header_page_size_offset; - int header_page_size_size; - int header_page_data_offset; - int header_page_data_size; - int header_page_overwrite; - - int file_bigendian; - int host_bigendian; - - int latency_format; - - int old_format; - - int cpus; - int long_size; - int page_size; - - struct cmdline *cmdlines; - struct cmdline_list *cmdlist; - int cmdline_count; - - struct func_map *func_map; - struct func_resolver *func_resolver; - struct func_list *funclist; - unsigned int func_count; - - struct printk_map *printk_map; - struct printk_list *printklist; - unsigned int printk_count; - - - struct event_format **events; - int nr_events; - struct event_format **sort_events; - enum event_sort_type last_type; - - int type_offset; - int type_size; - - int pid_offset; - int pid_size; - - int pc_offset; - int pc_size; - - int flags_offset; - int flags_size; - - int ld_offset; - int ld_size; - - int print_raw; - - int test_filters; - - int flags; - - struct format_field *bprint_ip_field; - struct format_field *bprint_fmt_field; - struct format_field *bprint_buf_field; - - struct event_handler *handlers; - struct tep_function_handler *func_handlers; - - /* cache */ - struct event_format *last_event; - - char *trace_clock; -}; - -static inline void tep_set_flag(struct tep_handle *pevent, int flag) -{ - pevent->flags |= flag; -} - -static inline unsigned short -__data2host2(struct tep_handle *pevent, unsigned short data) -{ - unsigned short swap; - - if (pevent->host_bigendian == pevent->file_bigendian) - return data; - - swap = ((data & 0xffULL) << 8) | - ((data & (0xffULL << 8)) >> 8); - - return swap; -} - -static inline unsigned int -__data2host4(struct tep_handle *pevent, unsigned int data) -{ - unsigned int swap; - - if (pevent->host_bigendian == pevent->file_bigendian) - return data; - - swap = ((data & 0xffULL) << 24) | - ((data & (0xffULL << 8)) << 8) | - ((data & (0xffULL << 16)) >> 8) | - ((data & (0xffULL << 24)) >> 24); - - return swap; -} - -static inline unsigned long long -__data2host8(struct tep_handle *pevent, unsigned long long data) -{ - unsigned long long swap; - - if (pevent->host_bigendian == pevent->file_bigendian) - return data; - - swap = ((data & 0xffULL) << 56) | - ((data & (0xffULL << 8)) << 40) | - ((data & (0xffULL << 16)) << 24) | - ((data & (0xffULL << 24)) << 8) | - ((data & (0xffULL << 32)) >> 8) | - ((data & (0xffULL << 40)) >> 24) | - ((data & (0xffULL << 48)) >> 40) | - ((data & (0xffULL << 56)) >> 56); - - return swap; -} - -#define data2host2(pevent, ptr) __data2host2(pevent, *(unsigned short *)(ptr)) -#define data2host4(pevent, ptr) __data2host4(pevent, *(unsigned int *)(ptr)) -#define data2host8(pevent, ptr) \ +#define tep_data2host2(pevent, ptr) __tep_data2host2(pevent, *(unsigned short *)(ptr)) +#define tep_data2host4(pevent, ptr) __tep_data2host4(pevent, *(unsigned int *)(ptr)) +#define tep_data2host8(pevent, ptr) \ ({ \ unsigned long long __val; \ \ memcpy(&__val, (ptr), sizeof(unsigned long long)); \ - __data2host8(pevent, __val); \ + __tep_data2host8(pevent, __val); \ }) static inline int tep_host_bigendian(void) @@ -627,14 +454,14 @@ int tep_register_print_string(struct tep_handle *pevent, const char *fmt, int tep_pid_is_registered(struct tep_handle *pevent, int pid); void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record); void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record, bool use_trace_clock); void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s, - struct event_format *event, + struct tep_event_format *event, struct tep_record *record); void tep_print_event(struct tep_handle *pevent, struct trace_seq *s, struct tep_record *record, bool use_trace_clock); @@ -645,32 +472,32 @@ int tep_parse_header_page(struct tep_handle *pevent, char *buf, unsigned long si enum tep_errno tep_parse_event(struct tep_handle *pevent, const char *buf, unsigned long size, const char *sys); enum tep_errno tep_parse_format(struct tep_handle *pevent, - struct event_format **eventp, + struct tep_event_format **eventp, const char *buf, unsigned long size, const char *sys); -void tep_free_format(struct event_format *event); -void tep_free_format_field(struct format_field *field); +void tep_free_format(struct tep_event_format *event); +void tep_free_format_field(struct tep_format_field *field); -void *tep_get_field_raw(struct trace_seq *s, struct event_format *event, +void *tep_get_field_raw(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, int *len, int err); -int tep_get_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err); -int tep_get_common_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_common_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err); -int tep_get_any_field_val(struct trace_seq *s, struct event_format *event, +int tep_get_any_field_val(struct trace_seq *s, struct tep_event_format *event, const char *name, struct tep_record *record, unsigned long long *val, int err); int tep_print_num_field(struct trace_seq *s, const char *fmt, - struct event_format *event, const char *name, - struct tep_record *record, int err); + struct tep_event_format *event, const char *name, + struct tep_record *record, int err); int tep_print_func_field(struct trace_seq *s, const char *fmt, - struct event_format *event, const char *name, + struct tep_event_format *event, const char *name, struct tep_record *record, int err); int tep_register_event_handler(struct tep_handle *pevent, int id, @@ -686,29 +513,30 @@ int tep_register_print_function(struct tep_handle *pevent, int tep_unregister_print_function(struct tep_handle *pevent, tep_func_handler func, char *name); -struct format_field *tep_find_common_field(struct event_format *event, const char *name); -struct format_field *tep_find_field(struct event_format *event, const char *name); -struct format_field *tep_find_any_field(struct event_format *event, const char *name); +struct tep_format_field *tep_find_common_field(struct tep_event_format *event, const char *name); +struct tep_format_field *tep_find_field(struct tep_event_format *event, const char *name); +struct tep_format_field *tep_find_any_field(struct tep_event_format *event, const char *name); const char *tep_find_function(struct tep_handle *pevent, unsigned long long addr); unsigned long long tep_find_function_address(struct tep_handle *pevent, unsigned long long addr); unsigned long long tep_read_number(struct tep_handle *pevent, const void *ptr, int size); -int tep_read_number_field(struct format_field *field, const void *data, +int tep_read_number_field(struct tep_format_field *field, const void *data, unsigned long long *value); -struct event_format *tep_find_event(struct tep_handle *pevent, int id); +struct tep_event_format *tep_get_first_event(struct tep_handle *tep); +int tep_get_events_count(struct tep_handle *tep); +struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id); -struct event_format * +struct tep_event_format * tep_find_event_by_name(struct tep_handle *pevent, const char *sys, const char *name); - -struct event_format * +struct tep_event_format * tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record); void tep_data_lat_fmt(struct tep_handle *pevent, struct trace_seq *s, struct tep_record *record); int tep_data_type(struct tep_handle *pevent, struct tep_record *rec); -struct event_format *tep_data_event_from_type(struct tep_handle *pevent, int type); +struct tep_event_format *tep_data_event_from_type(struct tep_handle *pevent, int type); int tep_data_pid(struct tep_handle *pevent, struct tep_record *rec); int tep_data_preempt_count(struct tep_handle *pevent, struct tep_record *rec); int tep_data_flags(struct tep_handle *pevent, struct tep_record *rec); @@ -719,77 +547,35 @@ struct cmdline *tep_data_pid_from_comm(struct tep_handle *pevent, const char *co int tep_cmdline_pid(struct tep_handle *pevent, struct cmdline *cmdline); void tep_print_field(struct trace_seq *s, void *data, - struct format_field *field); + struct tep_format_field *field); void tep_print_fields(struct trace_seq *s, void *data, - int size __maybe_unused, struct event_format *event); -void tep_event_info(struct trace_seq *s, struct event_format *event, + int size __maybe_unused, struct tep_event_format *event); +void tep_event_info(struct trace_seq *s, struct tep_event_format *event, struct tep_record *record); int tep_strerror(struct tep_handle *pevent, enum tep_errno errnum, char *buf, size_t buflen); -struct event_format **tep_list_events(struct tep_handle *pevent, enum event_sort_type); -struct format_field **tep_event_common_fields(struct event_format *event); -struct format_field **tep_event_fields(struct event_format *event); - -static inline int tep_get_cpus(struct tep_handle *pevent) -{ - return pevent->cpus; -} - -static inline void tep_set_cpus(struct tep_handle *pevent, int cpus) -{ - pevent->cpus = cpus; -} - -static inline int tep_get_long_size(struct tep_handle *pevent) -{ - return pevent->long_size; -} - -static inline void tep_set_long_size(struct tep_handle *pevent, int long_size) -{ - pevent->long_size = long_size; -} - -static inline int tep_get_page_size(struct tep_handle *pevent) -{ - return pevent->page_size; -} - -static inline void tep_set_page_size(struct tep_handle *pevent, int _page_size) -{ - pevent->page_size = _page_size; -} - -static inline int tep_is_file_bigendian(struct tep_handle *pevent) -{ - return pevent->file_bigendian; -} - -static inline void tep_set_file_bigendian(struct tep_handle *pevent, int endian) -{ - pevent->file_bigendian = endian; -} - -static inline int tep_is_host_bigendian(struct tep_handle *pevent) -{ - return pevent->host_bigendian; -} - -static inline void tep_set_host_bigendian(struct tep_handle *pevent, int endian) -{ - pevent->host_bigendian = endian; -} - -static inline int tep_is_latency_format(struct tep_handle *pevent) -{ - return pevent->latency_format; -} - -static inline void tep_set_latency_format(struct tep_handle *pevent, int lat) -{ - pevent->latency_format = lat; -} +struct tep_event_format **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type); +struct tep_format_field **tep_event_common_fields(struct tep_event_format *event); +struct tep_format_field **tep_event_fields(struct tep_event_format *event); + +enum tep_endian { + TEP_LITTLE_ENDIAN = 0, + TEP_BIG_ENDIAN +}; +int tep_get_cpus(struct tep_handle *pevent); +void tep_set_cpus(struct tep_handle *pevent, int cpus); +int tep_get_long_size(struct tep_handle *pevent); +void tep_set_long_size(struct tep_handle *pevent, int long_size); +int tep_get_page_size(struct tep_handle *pevent); +void tep_set_page_size(struct tep_handle *pevent, int _page_size); +int tep_is_file_bigendian(struct tep_handle *pevent); +void tep_set_file_bigendian(struct tep_handle *pevent, enum tep_endian endian); +int tep_is_host_bigendian(struct tep_handle *pevent); +void tep_set_host_bigendian(struct tep_handle *pevent, enum tep_endian endian); +int tep_is_latency_format(struct tep_handle *pevent); +void tep_set_latency_format(struct tep_handle *pevent, int lat); +int tep_get_header_page_size(struct tep_handle *pevent); struct tep_handle *tep_alloc(void); void tep_free(struct tep_handle *pevent); @@ -798,7 +584,7 @@ void tep_unref(struct tep_handle *pevent); /* access to the internal parser */ void tep_buffer_init(const char *buf, unsigned long long size); -enum event_type tep_read_token(char **tok); +enum tep_event_type tep_read_token(char **tok); void tep_free_token(char *token); int tep_peek_char(void); const char *tep_get_input_buf(void); @@ -810,136 +596,136 @@ void tep_print_printk(struct tep_handle *pevent); /* ----------------------- filtering ----------------------- */ -enum filter_boolean_type { - FILTER_FALSE, - FILTER_TRUE, +enum tep_filter_boolean_type { + TEP_FILTER_FALSE, + TEP_FILTER_TRUE, }; -enum filter_op_type { - FILTER_OP_AND = 1, - FILTER_OP_OR, - FILTER_OP_NOT, +enum tep_filter_op_type { + TEP_FILTER_OP_AND = 1, + TEP_FILTER_OP_OR, + TEP_FILTER_OP_NOT, }; -enum filter_cmp_type { - FILTER_CMP_NONE, - FILTER_CMP_EQ, - FILTER_CMP_NE, - FILTER_CMP_GT, - FILTER_CMP_LT, - FILTER_CMP_GE, - FILTER_CMP_LE, - FILTER_CMP_MATCH, - FILTER_CMP_NOT_MATCH, - FILTER_CMP_REGEX, - FILTER_CMP_NOT_REGEX, +enum tep_filter_cmp_type { + TEP_FILTER_CMP_NONE, + TEP_FILTER_CMP_EQ, + TEP_FILTER_CMP_NE, + TEP_FILTER_CMP_GT, + TEP_FILTER_CMP_LT, + TEP_FILTER_CMP_GE, + TEP_FILTER_CMP_LE, + TEP_FILTER_CMP_MATCH, + TEP_FILTER_CMP_NOT_MATCH, + TEP_FILTER_CMP_REGEX, + TEP_FILTER_CMP_NOT_REGEX, }; -enum filter_exp_type { - FILTER_EXP_NONE, - FILTER_EXP_ADD, - FILTER_EXP_SUB, - FILTER_EXP_MUL, - FILTER_EXP_DIV, - FILTER_EXP_MOD, - FILTER_EXP_RSHIFT, - FILTER_EXP_LSHIFT, - FILTER_EXP_AND, - FILTER_EXP_OR, - FILTER_EXP_XOR, - FILTER_EXP_NOT, +enum tep_filter_exp_type { + TEP_FILTER_EXP_NONE, + TEP_FILTER_EXP_ADD, + TEP_FILTER_EXP_SUB, + TEP_FILTER_EXP_MUL, + TEP_FILTER_EXP_DIV, + TEP_FILTER_EXP_MOD, + TEP_FILTER_EXP_RSHIFT, + TEP_FILTER_EXP_LSHIFT, + TEP_FILTER_EXP_AND, + TEP_FILTER_EXP_OR, + TEP_FILTER_EXP_XOR, + TEP_FILTER_EXP_NOT, }; -enum filter_arg_type { - FILTER_ARG_NONE, - FILTER_ARG_BOOLEAN, - FILTER_ARG_VALUE, - FILTER_ARG_FIELD, - FILTER_ARG_EXP, - FILTER_ARG_OP, - FILTER_ARG_NUM, - FILTER_ARG_STR, +enum tep_filter_arg_type { + TEP_FILTER_ARG_NONE, + TEP_FILTER_ARG_BOOLEAN, + TEP_FILTER_ARG_VALUE, + TEP_FILTER_ARG_FIELD, + TEP_FILTER_ARG_EXP, + TEP_FILTER_ARG_OP, + TEP_FILTER_ARG_NUM, + TEP_FILTER_ARG_STR, }; -enum filter_value_type { - FILTER_NUMBER, - FILTER_STRING, - FILTER_CHAR +enum tep_filter_value_type { + TEP_FILTER_NUMBER, + TEP_FILTER_STRING, + TEP_FILTER_CHAR }; -struct fliter_arg; +struct tep_filter_arg; -struct filter_arg_boolean { - enum filter_boolean_type value; +struct tep_filter_arg_boolean { + enum tep_filter_boolean_type value; }; -struct filter_arg_field { - struct format_field *field; +struct tep_filter_arg_field { + struct tep_format_field *field; }; -struct filter_arg_value { - enum filter_value_type type; +struct tep_filter_arg_value { + enum tep_filter_value_type type; union { char *str; unsigned long long val; }; }; -struct filter_arg_op { - enum filter_op_type type; - struct filter_arg *left; - struct filter_arg *right; +struct tep_filter_arg_op { + enum tep_filter_op_type type; + struct tep_filter_arg *left; + struct tep_filter_arg *right; }; -struct filter_arg_exp { - enum filter_exp_type type; - struct filter_arg *left; - struct filter_arg *right; +struct tep_filter_arg_exp { + enum tep_filter_exp_type type; + struct tep_filter_arg *left; + struct tep_filter_arg *right; }; -struct filter_arg_num { - enum filter_cmp_type type; - struct filter_arg *left; - struct filter_arg *right; +struct tep_filter_arg_num { + enum tep_filter_cmp_type type; + struct tep_filter_arg *left; + struct tep_filter_arg *right; }; -struct filter_arg_str { - enum filter_cmp_type type; - struct format_field *field; - char *val; - char *buffer; - regex_t reg; +struct tep_filter_arg_str { + enum tep_filter_cmp_type type; + struct tep_format_field *field; + char *val; + char *buffer; + regex_t reg; }; -struct filter_arg { - enum filter_arg_type type; +struct tep_filter_arg { + enum tep_filter_arg_type type; union { - struct filter_arg_boolean boolean; - struct filter_arg_field field; - struct filter_arg_value value; - struct filter_arg_op op; - struct filter_arg_exp exp; - struct filter_arg_num num; - struct filter_arg_str str; + struct tep_filter_arg_boolean boolean; + struct tep_filter_arg_field field; + struct tep_filter_arg_value value; + struct tep_filter_arg_op op; + struct tep_filter_arg_exp exp; + struct tep_filter_arg_num num; + struct tep_filter_arg_str str; }; }; -struct filter_type { +struct tep_filter_type { int event_id; - struct event_format *event; - struct filter_arg *filter; + struct tep_event_format *event; + struct tep_filter_arg *filter; }; #define TEP_FILTER_ERROR_BUFSZ 1024 -struct event_filter { +struct tep_event_filter { struct tep_handle *pevent; int filters; - struct filter_type *event_filters; + struct tep_filter_type *event_filters; char error_buffer[TEP_FILTER_ERROR_BUFSZ]; }; -struct event_filter *tep_filter_alloc(struct tep_handle *pevent); +struct tep_event_filter *tep_filter_alloc(struct tep_handle *pevent); /* for backward compatibility */ #define FILTER_NONE TEP_ERRNO__NO_FILTER @@ -947,45 +733,45 @@ struct event_filter *tep_filter_alloc(struct tep_handle *pevent); #define FILTER_MISS TEP_ERRNO__FILTER_MISS #define FILTER_MATCH TEP_ERRNO__FILTER_MATCH -enum filter_trivial_type { - FILTER_TRIVIAL_FALSE, - FILTER_TRIVIAL_TRUE, - FILTER_TRIVIAL_BOTH, +enum tep_filter_trivial_type { + TEP_FILTER_TRIVIAL_FALSE, + TEP_FILTER_TRIVIAL_TRUE, + TEP_FILTER_TRIVIAL_BOTH, }; -enum tep_errno tep_filter_add_filter_str(struct event_filter *filter, +enum tep_errno tep_filter_add_filter_str(struct tep_event_filter *filter, const char *filter_str); -enum tep_errno tep_filter_match(struct event_filter *filter, +enum tep_errno tep_filter_match(struct tep_event_filter *filter, struct tep_record *record); -int tep_filter_strerror(struct event_filter *filter, enum tep_errno err, +int tep_filter_strerror(struct tep_event_filter *filter, enum tep_errno err, char *buf, size_t buflen); -int tep_event_filtered(struct event_filter *filter, +int tep_event_filtered(struct tep_event_filter *filter, int event_id); -void tep_filter_reset(struct event_filter *filter); +void tep_filter_reset(struct tep_event_filter *filter); -int tep_filter_clear_trivial(struct event_filter *filter, - enum filter_trivial_type type); +int tep_filter_clear_trivial(struct tep_event_filter *filter, + enum tep_filter_trivial_type type); -void tep_filter_free(struct event_filter *filter); +void tep_filter_free(struct tep_event_filter *filter); -char *tep_filter_make_string(struct event_filter *filter, int event_id); +char *tep_filter_make_string(struct tep_event_filter *filter, int event_id); -int tep_filter_remove_event(struct event_filter *filter, +int tep_filter_remove_event(struct tep_event_filter *filter, int event_id); -int tep_filter_event_has_trivial(struct event_filter *filter, +int tep_filter_event_has_trivial(struct tep_event_filter *filter, int event_id, - enum filter_trivial_type type); + enum tep_filter_trivial_type type); -int tep_filter_copy(struct event_filter *dest, struct event_filter *source); +int tep_filter_copy(struct tep_event_filter *dest, struct tep_event_filter *source); -int tep_update_trivial(struct event_filter *dest, struct event_filter *source, - enum filter_trivial_type type); +int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *source, + enum tep_filter_trivial_type type); -int tep_filter_compare(struct event_filter *filter1, struct event_filter *filter2); +int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter *filter2); #endif /* _PARSE_EVENTS_H */ diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c index f17e25097e1e..e74f16c88398 100644 --- a/tools/lib/traceevent/event-plugin.c +++ b/tools/lib/traceevent/event-plugin.c @@ -14,7 +14,9 @@ #include <unistd.h> #include <dirent.h> #include "event-parse.h" +#include "event-parse-local.h" #include "event-utils.h" +#include "trace-seq.h" #define LOCAL_PLUGIN_DIR ".traceevent/plugins" @@ -30,8 +32,8 @@ static struct trace_plugin_options { char *value; } *trace_plugin_options; -struct plugin_list { - struct plugin_list *next; +struct tep_plugin_list { + struct tep_plugin_list *next; char *name; void *handle; }; @@ -258,7 +260,7 @@ void tep_plugin_remove_options(struct tep_plugin_option *options) */ void tep_print_plugins(struct trace_seq *s, const char *prefix, const char *suffix, - const struct plugin_list *list) + const struct tep_plugin_list *list) { while (list) { trace_seq_printf(s, "%s%s%s", prefix, list->name, suffix); @@ -270,9 +272,9 @@ static void load_plugin(struct tep_handle *pevent, const char *path, const char *file, void *data) { - struct plugin_list **plugin_list = data; + struct tep_plugin_list **plugin_list = data; tep_plugin_load_func func; - struct plugin_list *list; + struct tep_plugin_list *list; const char *alias; char *plugin; void *handle; @@ -416,20 +418,20 @@ load_plugins(struct tep_handle *pevent, const char *suffix, free(path); } -struct plugin_list* +struct tep_plugin_list* tep_load_plugins(struct tep_handle *pevent) { - struct plugin_list *list = NULL; + struct tep_plugin_list *list = NULL; load_plugins(pevent, ".so", load_plugin, &list); return list; } void -tep_unload_plugins(struct plugin_list *plugin_list, struct tep_handle *pevent) +tep_unload_plugins(struct tep_plugin_list *plugin_list, struct tep_handle *pevent) { tep_plugin_unload_func func; - struct plugin_list *list; + struct tep_plugin_list *list; while (plugin_list) { list = plugin_list; diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index e76154c02ee7..ed87cb56713d 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -11,22 +11,23 @@ #include <sys/types.h> #include "event-parse.h" +#include "event-parse-local.h" #include "event-utils.h" #define COMM "COMM" #define CPU "CPU" -static struct format_field comm = { +static struct tep_format_field comm = { .name = "COMM", }; -static struct format_field cpu = { +static struct tep_format_field cpu = { .name = "CPU", }; struct event_list { struct event_list *next; - struct event_format *event; + struct tep_event_format *event; }; static void show_error(char *error_buf, const char *fmt, ...) @@ -61,15 +62,15 @@ static void free_token(char *token) tep_free_token(token); } -static enum event_type read_token(char **tok) +static enum tep_event_type read_token(char **tok) { - enum event_type type; + enum tep_event_type type; char *token = NULL; do { free_token(token); type = tep_read_token(&token); - } while (type == EVENT_NEWLINE || type == EVENT_SPACE); + } while (type == TEP_EVENT_NEWLINE || type == TEP_EVENT_SPACE); /* If token is = or ! check to see if the next char is ~ */ if (token && @@ -79,7 +80,7 @@ static enum event_type read_token(char **tok) *tok = malloc(3); if (*tok == NULL) { free_token(token); - return EVENT_ERROR; + return TEP_EVENT_ERROR; } sprintf(*tok, "%c%c", *token, '~'); free_token(token); @@ -94,8 +95,8 @@ static enum event_type read_token(char **tok) static int filter_cmp(const void *a, const void *b) { - const struct filter_type *ea = a; - const struct filter_type *eb = b; + const struct tep_filter_type *ea = a; + const struct tep_filter_type *eb = b; if (ea->event_id < eb->event_id) return -1; @@ -106,11 +107,11 @@ static int filter_cmp(const void *a, const void *b) return 0; } -static struct filter_type * -find_filter_type(struct event_filter *filter, int id) +static struct tep_filter_type * +find_filter_type(struct tep_event_filter *filter, int id) { - struct filter_type *filter_type; - struct filter_type key; + struct tep_filter_type *filter_type; + struct tep_filter_type key; key.event_id = id; @@ -122,10 +123,10 @@ find_filter_type(struct event_filter *filter, int id) return filter_type; } -static struct filter_type * -add_filter_type(struct event_filter *filter, int id) +static struct tep_filter_type * +add_filter_type(struct tep_event_filter *filter, int id) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; int i; filter_type = find_filter_type(filter, id); @@ -165,9 +166,9 @@ add_filter_type(struct event_filter *filter, int id) * tep_filter_alloc - create a new event filter * @pevent: The pevent that this filter is associated with */ -struct event_filter *tep_filter_alloc(struct tep_handle *pevent) +struct tep_event_filter *tep_filter_alloc(struct tep_handle *pevent) { - struct event_filter *filter; + struct tep_event_filter *filter; filter = malloc(sizeof(*filter)); if (filter == NULL) @@ -180,44 +181,44 @@ struct event_filter *tep_filter_alloc(struct tep_handle *pevent) return filter; } -static struct filter_arg *allocate_arg(void) +static struct tep_filter_arg *allocate_arg(void) { - return calloc(1, sizeof(struct filter_arg)); + return calloc(1, sizeof(struct tep_filter_arg)); } -static void free_arg(struct filter_arg *arg) +static void free_arg(struct tep_filter_arg *arg) { if (!arg) return; switch (arg->type) { - case FILTER_ARG_NONE: - case FILTER_ARG_BOOLEAN: + case TEP_FILTER_ARG_NONE: + case TEP_FILTER_ARG_BOOLEAN: break; - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: free_arg(arg->num.left); free_arg(arg->num.right); break; - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: free_arg(arg->exp.left); free_arg(arg->exp.right); break; - case FILTER_ARG_STR: + case TEP_FILTER_ARG_STR: free(arg->str.val); regfree(&arg->str.reg); free(arg->str.buffer); break; - case FILTER_ARG_VALUE: - if (arg->value.type == FILTER_STRING || - arg->value.type == FILTER_CHAR) + case TEP_FILTER_ARG_VALUE: + if (arg->value.type == TEP_FILTER_STRING || + arg->value.type == TEP_FILTER_CHAR) free(arg->value.str); break; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: free_arg(arg->op.left); free_arg(arg->op.right); default: @@ -228,7 +229,7 @@ static void free_arg(struct filter_arg *arg) } static int add_event(struct event_list **events, - struct event_format *event) + struct tep_event_format *event) { struct event_list *list; @@ -242,7 +243,7 @@ static int add_event(struct event_list **events, return 0; } -static int event_match(struct event_format *event, +static int event_match(struct tep_event_format *event, regex_t *sreg, regex_t *ereg) { if (sreg) { @@ -258,7 +259,7 @@ static enum tep_errno find_event(struct tep_handle *pevent, struct event_list **events, char *sys_name, char *event_name) { - struct event_format *event; + struct tep_event_format *event; regex_t ereg; regex_t sreg; int match = 0; @@ -333,11 +334,11 @@ static void free_events(struct event_list *events) } static enum tep_errno -create_arg_item(struct event_format *event, const char *token, - enum event_type type, struct filter_arg **parg, char *error_str) +create_arg_item(struct tep_event_format *event, const char *token, + enum tep_event_type type, struct tep_filter_arg **parg, char *error_str) { - struct format_field *field; - struct filter_arg *arg; + struct tep_format_field *field; + struct tep_filter_arg *arg; arg = allocate_arg(); if (arg == NULL) { @@ -347,11 +348,11 @@ create_arg_item(struct event_format *event, const char *token, switch (type) { - case EVENT_SQUOTE: - case EVENT_DQUOTE: - arg->type = FILTER_ARG_VALUE; + case TEP_EVENT_SQUOTE: + case TEP_EVENT_DQUOTE: + arg->type = TEP_FILTER_ARG_VALUE; arg->value.type = - type == EVENT_DQUOTE ? FILTER_STRING : FILTER_CHAR; + type == TEP_EVENT_DQUOTE ? TEP_FILTER_STRING : TEP_FILTER_CHAR; arg->value.str = strdup(token); if (!arg->value.str) { free_arg(arg); @@ -359,11 +360,11 @@ create_arg_item(struct event_format *event, const char *token, return TEP_ERRNO__MEM_ALLOC_FAILED; } break; - case EVENT_ITEM: + case TEP_EVENT_ITEM: /* if it is a number, then convert it */ if (isdigit(token[0])) { - arg->type = FILTER_ARG_VALUE; - arg->value.type = FILTER_NUMBER; + arg->type = TEP_FILTER_ARG_VALUE; + arg->value.type = TEP_FILTER_NUMBER; arg->value.val = strtoull(token, NULL, 0); break; } @@ -377,12 +378,12 @@ create_arg_item(struct event_format *event, const char *token, field = &cpu; } else { /* not a field, Make it false */ - arg->type = FILTER_ARG_BOOLEAN; - arg->boolean.value = FILTER_FALSE; + arg->type = TEP_FILTER_ARG_BOOLEAN; + arg->boolean.value = TEP_FILTER_FALSE; break; } } - arg->type = FILTER_ARG_FIELD; + arg->type = TEP_FILTER_ARG_FIELD; arg->field.field = field; break; default: @@ -394,82 +395,82 @@ create_arg_item(struct event_format *event, const char *token, return 0; } -static struct filter_arg * -create_arg_op(enum filter_op_type btype) +static struct tep_filter_arg * +create_arg_op(enum tep_filter_op_type btype) { - struct filter_arg *arg; + struct tep_filter_arg *arg; arg = allocate_arg(); if (!arg) return NULL; - arg->type = FILTER_ARG_OP; + arg->type = TEP_FILTER_ARG_OP; arg->op.type = btype; return arg; } -static struct filter_arg * -create_arg_exp(enum filter_exp_type etype) +static struct tep_filter_arg * +create_arg_exp(enum tep_filter_exp_type etype) { - struct filter_arg *arg; + struct tep_filter_arg *arg; arg = allocate_arg(); if (!arg) return NULL; - arg->type = FILTER_ARG_EXP; + arg->type = TEP_FILTER_ARG_EXP; arg->exp.type = etype; return arg; } -static struct filter_arg * -create_arg_cmp(enum filter_cmp_type ctype) +static struct tep_filter_arg * +create_arg_cmp(enum tep_filter_cmp_type ctype) { - struct filter_arg *arg; + struct tep_filter_arg *arg; arg = allocate_arg(); if (!arg) return NULL; /* Use NUM and change if necessary */ - arg->type = FILTER_ARG_NUM; + arg->type = TEP_FILTER_ARG_NUM; arg->num.type = ctype; return arg; } static enum tep_errno -add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) +add_right(struct tep_filter_arg *op, struct tep_filter_arg *arg, char *error_str) { - struct filter_arg *left; + struct tep_filter_arg *left; char *str; int op_type; int ret; switch (op->type) { - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: if (op->exp.right) goto out_fail; op->exp.right = arg; break; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: if (op->op.right) goto out_fail; op->op.right = arg; break; - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: if (op->op.right) goto out_fail; /* * The arg must be num, str, or field */ switch (arg->type) { - case FILTER_ARG_VALUE: - case FILTER_ARG_FIELD: + case TEP_FILTER_ARG_VALUE: + case TEP_FILTER_ARG_FIELD: break; default: show_error(error_str, "Illegal rvalue"); @@ -481,20 +482,20 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) * convert this to a string or regex. */ switch (arg->value.type) { - case FILTER_CHAR: + case TEP_FILTER_CHAR: /* * A char should be converted to number if * the string is 1 byte, and the compare * is not a REGEX. */ if (strlen(arg->value.str) == 1 && - op->num.type != FILTER_CMP_REGEX && - op->num.type != FILTER_CMP_NOT_REGEX) { - arg->value.type = FILTER_NUMBER; + op->num.type != TEP_FILTER_CMP_REGEX && + op->num.type != TEP_FILTER_CMP_NOT_REGEX) { + arg->value.type = TEP_FILTER_NUMBER; goto do_int; } /* fall through */ - case FILTER_STRING: + case TEP_FILTER_STRING: /* convert op to a string arg */ op_type = op->num.type; @@ -508,16 +509,16 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) * If left arg was a field not found then * NULL the entire op. */ - if (left->type == FILTER_ARG_BOOLEAN) { + if (left->type == TEP_FILTER_ARG_BOOLEAN) { free_arg(left); free_arg(arg); - op->type = FILTER_ARG_BOOLEAN; - op->boolean.value = FILTER_FALSE; + op->type = TEP_FILTER_ARG_BOOLEAN; + op->boolean.value = TEP_FILTER_FALSE; break; } /* Left arg must be a field */ - if (left->type != FILTER_ARG_FIELD) { + if (left->type != TEP_FILTER_ARG_FIELD) { show_error(error_str, "Illegal lvalue for string comparison"); return TEP_ERRNO__ILLEGAL_LVALUE; @@ -525,15 +526,15 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) /* Make sure this is a valid string compare */ switch (op_type) { - case FILTER_CMP_EQ: - op_type = FILTER_CMP_MATCH; + case TEP_FILTER_CMP_EQ: + op_type = TEP_FILTER_CMP_MATCH; break; - case FILTER_CMP_NE: - op_type = FILTER_CMP_NOT_MATCH; + case TEP_FILTER_CMP_NE: + op_type = TEP_FILTER_CMP_NOT_MATCH; break; - case FILTER_CMP_REGEX: - case FILTER_CMP_NOT_REGEX: + case TEP_FILTER_CMP_REGEX: + case TEP_FILTER_CMP_NOT_REGEX: ret = regcomp(&op->str.reg, str, REG_ICASE|REG_NOSUB); if (ret) { show_error(error_str, @@ -548,7 +549,7 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) return TEP_ERRNO__ILLEGAL_STRING_CMP; } - op->type = FILTER_ARG_STR; + op->type = TEP_FILTER_ARG_STR; op->str.type = op_type; op->str.field = left->field.field; op->str.val = strdup(str); @@ -573,12 +574,12 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) break; - case FILTER_NUMBER: + case TEP_FILTER_NUMBER: do_int: switch (op->num.type) { - case FILTER_CMP_REGEX: - case FILTER_CMP_NOT_REGEX: + case TEP_FILTER_CMP_REGEX: + case TEP_FILTER_CMP_NOT_REGEX: show_error(error_str, "Op not allowed with integers"); return TEP_ERRNO__ILLEGAL_INTEGER_CMP; @@ -605,35 +606,35 @@ add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) return TEP_ERRNO__SYNTAX_ERROR; } -static struct filter_arg * -rotate_op_right(struct filter_arg *a, struct filter_arg *b) +static struct tep_filter_arg * +rotate_op_right(struct tep_filter_arg *a, struct tep_filter_arg *b) { - struct filter_arg *arg; + struct tep_filter_arg *arg; arg = a->op.right; a->op.right = b; return arg; } -static enum tep_errno add_left(struct filter_arg *op, struct filter_arg *arg) +static enum tep_errno add_left(struct tep_filter_arg *op, struct tep_filter_arg *arg) { switch (op->type) { - case FILTER_ARG_EXP: - if (arg->type == FILTER_ARG_OP) + case TEP_FILTER_ARG_EXP: + if (arg->type == TEP_FILTER_ARG_OP) arg = rotate_op_right(arg, op); op->exp.left = arg; break; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: op->op.left = arg; break; - case FILTER_ARG_NUM: - if (arg->type == FILTER_ARG_OP) + case TEP_FILTER_ARG_NUM: + if (arg->type == TEP_FILTER_ARG_OP) arg = rotate_op_right(arg, op); /* left arg of compares must be a field */ - if (arg->type != FILTER_ARG_FIELD && - arg->type != FILTER_ARG_BOOLEAN) + if (arg->type != TEP_FILTER_ARG_FIELD && + arg->type != TEP_FILTER_ARG_BOOLEAN) return TEP_ERRNO__INVALID_ARG_TYPE; op->num.left = arg; break; @@ -652,91 +653,91 @@ enum op_type { }; static enum op_type process_op(const char *token, - enum filter_op_type *btype, - enum filter_cmp_type *ctype, - enum filter_exp_type *etype) + enum tep_filter_op_type *btype, + enum tep_filter_cmp_type *ctype, + enum tep_filter_exp_type *etype) { - *btype = FILTER_OP_NOT; - *etype = FILTER_EXP_NONE; - *ctype = FILTER_CMP_NONE; + *btype = TEP_FILTER_OP_NOT; + *etype = TEP_FILTER_EXP_NONE; + *ctype = TEP_FILTER_CMP_NONE; if (strcmp(token, "&&") == 0) - *btype = FILTER_OP_AND; + *btype = TEP_FILTER_OP_AND; else if (strcmp(token, "||") == 0) - *btype = FILTER_OP_OR; + *btype = TEP_FILTER_OP_OR; else if (strcmp(token, "!") == 0) return OP_NOT; - if (*btype != FILTER_OP_NOT) + if (*btype != TEP_FILTER_OP_NOT) return OP_BOOL; /* Check for value expressions */ if (strcmp(token, "+") == 0) { - *etype = FILTER_EXP_ADD; + *etype = TEP_FILTER_EXP_ADD; } else if (strcmp(token, "-") == 0) { - *etype = FILTER_EXP_SUB; + *etype = TEP_FILTER_EXP_SUB; } else if (strcmp(token, "*") == 0) { - *etype = FILTER_EXP_MUL; + *etype = TEP_FILTER_EXP_MUL; } else if (strcmp(token, "/") == 0) { - *etype = FILTER_EXP_DIV; + *etype = TEP_FILTER_EXP_DIV; } else if (strcmp(token, "%") == 0) { - *etype = FILTER_EXP_MOD; + *etype = TEP_FILTER_EXP_MOD; } else if (strcmp(token, ">>") == 0) { - *etype = FILTER_EXP_RSHIFT; + *etype = TEP_FILTER_EXP_RSHIFT; } else if (strcmp(token, "<<") == 0) { - *etype = FILTER_EXP_LSHIFT; + *etype = TEP_FILTER_EXP_LSHIFT; } else if (strcmp(token, "&") == 0) { - *etype = FILTER_EXP_AND; + *etype = TEP_FILTER_EXP_AND; } else if (strcmp(token, "|") == 0) { - *etype = FILTER_EXP_OR; + *etype = TEP_FILTER_EXP_OR; } else if (strcmp(token, "^") == 0) { - *etype = FILTER_EXP_XOR; + *etype = TEP_FILTER_EXP_XOR; } else if (strcmp(token, "~") == 0) - *etype = FILTER_EXP_NOT; + *etype = TEP_FILTER_EXP_NOT; - if (*etype != FILTER_EXP_NONE) + if (*etype != TEP_FILTER_EXP_NONE) return OP_EXP; /* Check for compares */ if (strcmp(token, "==") == 0) - *ctype = FILTER_CMP_EQ; + *ctype = TEP_FILTER_CMP_EQ; else if (strcmp(token, "!=") == 0) - *ctype = FILTER_CMP_NE; + *ctype = TEP_FILTER_CMP_NE; else if (strcmp(token, "<") == 0) - *ctype = FILTER_CMP_LT; + *ctype = TEP_FILTER_CMP_LT; else if (strcmp(token, ">") == 0) - *ctype = FILTER_CMP_GT; + *ctype = TEP_FILTER_CMP_GT; else if (strcmp(token, "<=") == 0) - *ctype = FILTER_CMP_LE; + *ctype = TEP_FILTER_CMP_LE; else if (strcmp(token, ">=") == 0) - *ctype = FILTER_CMP_GE; + *ctype = TEP_FILTER_CMP_GE; else if (strcmp(token, "=~") == 0) - *ctype = FILTER_CMP_REGEX; + *ctype = TEP_FILTER_CMP_REGEX; else if (strcmp(token, "!~") == 0) - *ctype = FILTER_CMP_NOT_REGEX; + *ctype = TEP_FILTER_CMP_NOT_REGEX; else return OP_NONE; return OP_CMP; } -static int check_op_done(struct filter_arg *arg) +static int check_op_done(struct tep_filter_arg *arg) { switch (arg->type) { - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: return arg->exp.right != NULL; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: return arg->op.right != NULL; - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: return arg->num.right != NULL; - case FILTER_ARG_STR: + case TEP_FILTER_ARG_STR: /* A string conversion is always done */ return 1; - case FILTER_ARG_BOOLEAN: + case TEP_FILTER_ARG_BOOLEAN: /* field not found, is ok */ return 1; @@ -752,14 +753,14 @@ enum filter_vals { }; static enum tep_errno -reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, - struct filter_arg *arg, char *error_str) +reparent_op_arg(struct tep_filter_arg *parent, struct tep_filter_arg *old_child, + struct tep_filter_arg *arg, char *error_str) { - struct filter_arg *other_child; - struct filter_arg **ptr; + struct tep_filter_arg *other_child; + struct tep_filter_arg **ptr; - if (parent->type != FILTER_ARG_OP && - arg->type != FILTER_ARG_OP) { + if (parent->type != TEP_FILTER_ARG_OP && + arg->type != TEP_FILTER_ARG_OP) { show_error(error_str, "can not reparent other than OP"); return TEP_ERRNO__REPARENT_NOT_OP; } @@ -804,7 +805,7 @@ reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, } /* Returns either filter_vals (success) or tep_errno (failfure) */ -static int test_arg(struct filter_arg *parent, struct filter_arg *arg, +static int test_arg(struct tep_filter_arg *parent, struct tep_filter_arg *arg, char *error_str) { int lval, rval; @@ -812,16 +813,16 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, switch (arg->type) { /* bad case */ - case FILTER_ARG_BOOLEAN: + case TEP_FILTER_ARG_BOOLEAN: return FILTER_VAL_FALSE + arg->boolean.value; /* good cases: */ - case FILTER_ARG_STR: - case FILTER_ARG_VALUE: - case FILTER_ARG_FIELD: + case TEP_FILTER_ARG_STR: + case TEP_FILTER_ARG_VALUE: + case TEP_FILTER_ARG_FIELD: return FILTER_VAL_NORM; - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: lval = test_arg(arg, arg->exp.left, error_str); if (lval != FILTER_VAL_NORM) return lval; @@ -830,7 +831,7 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, return rval; return FILTER_VAL_NORM; - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: lval = test_arg(arg, arg->num.left, error_str); if (lval != FILTER_VAL_NORM) return lval; @@ -839,14 +840,14 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, return rval; return FILTER_VAL_NORM; - case FILTER_ARG_OP: - if (arg->op.type != FILTER_OP_NOT) { + case TEP_FILTER_ARG_OP: + if (arg->op.type != TEP_FILTER_OP_NOT) { lval = test_arg(arg, arg->op.left, error_str); switch (lval) { case FILTER_VAL_NORM: break; case FILTER_VAL_TRUE: - if (arg->op.type == FILTER_OP_OR) + if (arg->op.type == TEP_FILTER_OP_OR) return FILTER_VAL_TRUE; rval = test_arg(arg, arg->op.right, error_str); if (rval != FILTER_VAL_NORM) @@ -856,7 +857,7 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, error_str); case FILTER_VAL_FALSE: - if (arg->op.type == FILTER_OP_AND) + if (arg->op.type == TEP_FILTER_OP_AND) return FILTER_VAL_FALSE; rval = test_arg(arg, arg->op.right, error_str); if (rval != FILTER_VAL_NORM) @@ -877,18 +878,18 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, break; case FILTER_VAL_TRUE: - if (arg->op.type == FILTER_OP_OR) + if (arg->op.type == TEP_FILTER_OP_OR) return FILTER_VAL_TRUE; - if (arg->op.type == FILTER_OP_NOT) + if (arg->op.type == TEP_FILTER_OP_NOT) return FILTER_VAL_FALSE; return reparent_op_arg(parent, arg, arg->op.left, error_str); case FILTER_VAL_FALSE: - if (arg->op.type == FILTER_OP_AND) + if (arg->op.type == TEP_FILTER_OP_AND) return FILTER_VAL_FALSE; - if (arg->op.type == FILTER_OP_NOT) + if (arg->op.type == TEP_FILTER_OP_NOT) return FILTER_VAL_TRUE; return reparent_op_arg(parent, arg, arg->op.left, @@ -904,8 +905,8 @@ static int test_arg(struct filter_arg *parent, struct filter_arg *arg, } /* Remove any unknown event fields */ -static int collapse_tree(struct filter_arg *arg, - struct filter_arg **arg_collapsed, char *error_str) +static int collapse_tree(struct tep_filter_arg *arg, + struct tep_filter_arg **arg_collapsed, char *error_str) { int ret; @@ -919,7 +920,7 @@ static int collapse_tree(struct filter_arg *arg, free_arg(arg); arg = allocate_arg(); if (arg) { - arg->type = FILTER_ARG_BOOLEAN; + arg->type = TEP_FILTER_ARG_BOOLEAN; arg->boolean.value = ret == FILTER_VAL_TRUE; } else { show_error(error_str, "Failed to allocate filter arg"); @@ -939,19 +940,19 @@ static int collapse_tree(struct filter_arg *arg, } static enum tep_errno -process_filter(struct event_format *event, struct filter_arg **parg, +process_filter(struct tep_event_format *event, struct tep_filter_arg **parg, char *error_str, int not) { - enum event_type type; + enum tep_event_type type; char *token = NULL; - struct filter_arg *current_op = NULL; - struct filter_arg *current_exp = NULL; - struct filter_arg *left_item = NULL; - struct filter_arg *arg = NULL; + struct tep_filter_arg *current_op = NULL; + struct tep_filter_arg *current_exp = NULL; + struct tep_filter_arg *left_item = NULL; + struct tep_filter_arg *arg = NULL; enum op_type op_type; - enum filter_op_type btype; - enum filter_exp_type etype; - enum filter_cmp_type ctype; + enum tep_filter_op_type btype; + enum tep_filter_exp_type etype; + enum tep_filter_cmp_type ctype; enum tep_errno ret; *parg = NULL; @@ -960,9 +961,9 @@ process_filter(struct event_format *event, struct filter_arg **parg, free(token); type = read_token(&token); switch (type) { - case EVENT_SQUOTE: - case EVENT_DQUOTE: - case EVENT_ITEM: + case TEP_EVENT_SQUOTE: + case TEP_EVENT_DQUOTE: + case TEP_EVENT_ITEM: ret = create_arg_item(event, token, type, &arg, error_str); if (ret < 0) goto fail; @@ -987,7 +988,7 @@ process_filter(struct event_format *event, struct filter_arg **parg, arg = NULL; break; - case EVENT_DELIM: + case TEP_EVENT_DELIM: if (*token == ',') { show_error(error_str, "Illegal token ','"); ret = TEP_ERRNO__ILLEGAL_TOKEN; @@ -1054,7 +1055,7 @@ process_filter(struct event_format *event, struct filter_arg **parg, } break; - case EVENT_OP: + case TEP_EVENT_OP: op_type = process_op(token, &btype, &ctype, &etype); /* All expect a left arg except for NOT */ @@ -1139,14 +1140,14 @@ process_filter(struct event_format *event, struct filter_arg **parg, if (ret < 0) goto fail_syntax; break; - case EVENT_NONE: + case TEP_EVENT_NONE: break; - case EVENT_ERROR: + case TEP_EVENT_ERROR: goto fail_alloc; default: goto fail_syntax; } - } while (type != EVENT_NONE); + } while (type != TEP_EVENT_NONE); if (!current_op && !current_exp) goto fail_syntax; @@ -1179,8 +1180,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, } static enum tep_errno -process_event(struct event_format *event, const char *filter_str, - struct filter_arg **parg, char *error_str) +process_event(struct tep_event_format *event, const char *filter_str, + struct tep_filter_arg **parg, char *error_str) { int ret; @@ -1196,19 +1197,19 @@ process_event(struct event_format *event, const char *filter_str, if (*parg == NULL) return TEP_ERRNO__MEM_ALLOC_FAILED; - (*parg)->type = FILTER_ARG_BOOLEAN; - (*parg)->boolean.value = FILTER_FALSE; + (*parg)->type = TEP_FILTER_ARG_BOOLEAN; + (*parg)->boolean.value = TEP_FILTER_FALSE; } return 0; } static enum tep_errno -filter_event(struct event_filter *filter, struct event_format *event, +filter_event(struct tep_event_filter *filter, struct tep_event_format *event, const char *filter_str, char *error_str) { - struct filter_type *filter_type; - struct filter_arg *arg; + struct tep_filter_type *filter_type; + struct tep_filter_arg *arg; enum tep_errno ret; if (filter_str) { @@ -1222,8 +1223,8 @@ filter_event(struct event_filter *filter, struct event_format *event, if (arg == NULL) return TEP_ERRNO__MEM_ALLOC_FAILED; - arg->type = FILTER_ARG_BOOLEAN; - arg->boolean.value = FILTER_TRUE; + arg->type = TEP_FILTER_ARG_BOOLEAN; + arg->boolean.value = TEP_FILTER_TRUE; } filter_type = add_filter_type(filter, event->id); @@ -1237,7 +1238,7 @@ filter_event(struct event_filter *filter, struct event_format *event, return 0; } -static void filter_init_error_buf(struct event_filter *filter) +static void filter_init_error_buf(struct tep_event_filter *filter) { /* clear buffer to reset show error */ tep_buffer_init("", 0); @@ -1253,7 +1254,7 @@ static void filter_init_error_buf(struct event_filter *filter) * negative error code. Use tep_filter_strerror() to see * actual error message in case of error. */ -enum tep_errno tep_filter_add_filter_str(struct event_filter *filter, +enum tep_errno tep_filter_add_filter_str(struct tep_event_filter *filter, const char *filter_str) { struct tep_handle *pevent = filter->pevent; @@ -1351,7 +1352,7 @@ enum tep_errno tep_filter_add_filter_str(struct event_filter *filter, return rtn; } -static void free_filter_type(struct filter_type *filter_type) +static void free_filter_type(struct tep_filter_type *filter_type) { free_arg(filter_type->filter); } @@ -1365,7 +1366,7 @@ static void free_filter_type(struct filter_type *filter_type) * * Returns 0 if message was filled successfully, -1 if error */ -int tep_filter_strerror(struct event_filter *filter, enum tep_errno err, +int tep_filter_strerror(struct tep_event_filter *filter, enum tep_errno err, char *buf, size_t buflen) { if (err <= __TEP_ERRNO__START || err >= __TEP_ERRNO__END) @@ -1393,10 +1394,10 @@ int tep_filter_strerror(struct event_filter *filter, enum tep_errno err, * Returns 1: if an event was removed * 0: if the event was not found */ -int tep_filter_remove_event(struct event_filter *filter, +int tep_filter_remove_event(struct tep_event_filter *filter, int event_id) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; unsigned long len; if (!filter->filters) @@ -1428,7 +1429,7 @@ int tep_filter_remove_event(struct event_filter *filter, * * Removes all filters from a filter and resets it. */ -void tep_filter_reset(struct event_filter *filter) +void tep_filter_reset(struct tep_event_filter *filter) { int i; @@ -1440,7 +1441,7 @@ void tep_filter_reset(struct event_filter *filter) filter->event_filters = NULL; } -void tep_filter_free(struct event_filter *filter) +void tep_filter_free(struct tep_event_filter *filter) { tep_unref(filter->pevent); @@ -1449,14 +1450,14 @@ void tep_filter_free(struct event_filter *filter) free(filter); } -static char *arg_to_str(struct event_filter *filter, struct filter_arg *arg); +static char *arg_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg); -static int copy_filter_type(struct event_filter *filter, - struct event_filter *source, - struct filter_type *filter_type) +static int copy_filter_type(struct tep_event_filter *filter, + struct tep_event_filter *source, + struct tep_filter_type *filter_type) { - struct filter_arg *arg; - struct event_format *event; + struct tep_filter_arg *arg; + struct tep_event_format *event; const char *sys; const char *name; char *str; @@ -1478,7 +1479,7 @@ static int copy_filter_type(struct event_filter *filter, if (arg == NULL) return -1; - arg->type = FILTER_ARG_BOOLEAN; + arg->type = TEP_FILTER_ARG_BOOLEAN; if (strcmp(str, "TRUE") == 0) arg->boolean.value = 1; else @@ -1507,7 +1508,7 @@ static int copy_filter_type(struct event_filter *filter, * * Returns 0 on success and -1 if not all filters were copied */ -int tep_filter_copy(struct event_filter *dest, struct event_filter *source) +int tep_filter_copy(struct tep_event_filter *dest, struct tep_event_filter *source) { int ret = 0; int i; @@ -1533,14 +1534,14 @@ int tep_filter_copy(struct event_filter *dest, struct event_filter *source) * Returns 0 on success and -1 if there was a problem updating, but * events may have still been updated on error. */ -int tep_update_trivial(struct event_filter *dest, struct event_filter *source, - enum filter_trivial_type type) +int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *source, + enum tep_filter_trivial_type type) { struct tep_handle *src_pevent; struct tep_handle *dest_pevent; - struct event_format *event; - struct filter_type *filter_type; - struct filter_arg *arg; + struct tep_event_format *event; + struct tep_filter_type *filter_type; + struct tep_filter_arg *arg; char *str; int i; @@ -1554,10 +1555,10 @@ int tep_update_trivial(struct event_filter *dest, struct event_filter *source, for (i = 0; i < dest->filters; i++) { filter_type = &dest->event_filters[i]; arg = filter_type->filter; - if (arg->type != FILTER_ARG_BOOLEAN) + if (arg->type != TEP_FILTER_ARG_BOOLEAN) continue; - if ((arg->boolean.value && type == FILTER_TRIVIAL_FALSE) || - (!arg->boolean.value && type == FILTER_TRIVIAL_TRUE)) + if ((arg->boolean.value && type == TEP_FILTER_TRIVIAL_FALSE) || + (!arg->boolean.value && type == TEP_FILTER_TRIVIAL_TRUE)) continue; event = filter_type->event; @@ -1592,10 +1593,10 @@ int tep_update_trivial(struct event_filter *dest, struct event_filter *source, * * Returns 0 on success and -1 if there was a problem. */ -int tep_filter_clear_trivial(struct event_filter *filter, - enum filter_trivial_type type) +int tep_filter_clear_trivial(struct tep_event_filter *filter, + enum tep_filter_trivial_type type) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; int count = 0; int *ids = NULL; int i; @@ -1611,14 +1612,14 @@ int tep_filter_clear_trivial(struct event_filter *filter, int *new_ids; filter_type = &filter->event_filters[i]; - if (filter_type->filter->type != FILTER_ARG_BOOLEAN) + if (filter_type->filter->type != TEP_FILTER_ARG_BOOLEAN) continue; switch (type) { - case FILTER_TRIVIAL_FALSE: + case TEP_FILTER_TRIVIAL_FALSE: if (filter_type->filter->boolean.value) continue; break; - case FILTER_TRIVIAL_TRUE: + case TEP_FILTER_TRIVIAL_TRUE: if (!filter_type->filter->boolean.value) continue; default: @@ -1654,11 +1655,11 @@ int tep_filter_clear_trivial(struct event_filter *filter, * Returns 1 if the event contains a matching trivial type * otherwise 0. */ -int tep_filter_event_has_trivial(struct event_filter *filter, +int tep_filter_event_has_trivial(struct tep_event_filter *filter, int event_id, - enum filter_trivial_type type) + enum tep_filter_trivial_type type) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; if (!filter->filters) return 0; @@ -1668,25 +1669,25 @@ int tep_filter_event_has_trivial(struct event_filter *filter, if (!filter_type) return 0; - if (filter_type->filter->type != FILTER_ARG_BOOLEAN) + if (filter_type->filter->type != TEP_FILTER_ARG_BOOLEAN) return 0; switch (type) { - case FILTER_TRIVIAL_FALSE: + case TEP_FILTER_TRIVIAL_FALSE: return !filter_type->filter->boolean.value; - case FILTER_TRIVIAL_TRUE: + case TEP_FILTER_TRIVIAL_TRUE: return filter_type->filter->boolean.value; default: return 1; } } -static int test_filter(struct event_format *event, struct filter_arg *arg, +static int test_filter(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err); static const char * -get_comm(struct event_format *event, struct tep_record *record) +get_comm(struct tep_event_format *event, struct tep_record *record) { const char *comm; int pid; @@ -1697,8 +1698,8 @@ get_comm(struct event_format *event, struct tep_record *record) } static unsigned long long -get_value(struct event_format *event, - struct format_field *field, struct tep_record *record) +get_value(struct tep_event_format *event, + struct tep_format_field *field, struct tep_record *record) { unsigned long long val; @@ -1716,7 +1717,7 @@ get_value(struct event_format *event, tep_read_number_field(field, record->data, &val); - if (!(field->flags & FIELD_IS_SIGNED)) + if (!(field->flags & TEP_FIELD_IS_SIGNED)) return val; switch (field->size) { @@ -1733,11 +1734,11 @@ get_value(struct event_format *event, } static unsigned long long -get_arg_value(struct event_format *event, struct filter_arg *arg, +get_arg_value(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err); static unsigned long long -get_exp_value(struct event_format *event, struct filter_arg *arg, +get_exp_value(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { unsigned long long lval, rval; @@ -1753,37 +1754,37 @@ get_exp_value(struct event_format *event, struct filter_arg *arg, } switch (arg->exp.type) { - case FILTER_EXP_ADD: + case TEP_FILTER_EXP_ADD: return lval + rval; - case FILTER_EXP_SUB: + case TEP_FILTER_EXP_SUB: return lval - rval; - case FILTER_EXP_MUL: + case TEP_FILTER_EXP_MUL: return lval * rval; - case FILTER_EXP_DIV: + case TEP_FILTER_EXP_DIV: return lval / rval; - case FILTER_EXP_MOD: + case TEP_FILTER_EXP_MOD: return lval % rval; - case FILTER_EXP_RSHIFT: + case TEP_FILTER_EXP_RSHIFT: return lval >> rval; - case FILTER_EXP_LSHIFT: + case TEP_FILTER_EXP_LSHIFT: return lval << rval; - case FILTER_EXP_AND: + case TEP_FILTER_EXP_AND: return lval & rval; - case FILTER_EXP_OR: + case TEP_FILTER_EXP_OR: return lval | rval; - case FILTER_EXP_XOR: + case TEP_FILTER_EXP_XOR: return lval ^ rval; - case FILTER_EXP_NOT: + case TEP_FILTER_EXP_NOT: default: if (!*err) *err = TEP_ERRNO__INVALID_EXP_TYPE; @@ -1792,21 +1793,21 @@ get_exp_value(struct event_format *event, struct filter_arg *arg, } static unsigned long long -get_arg_value(struct event_format *event, struct filter_arg *arg, +get_arg_value(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { switch (arg->type) { - case FILTER_ARG_FIELD: + case TEP_FILTER_ARG_FIELD: return get_value(event, arg->field.field, record); - case FILTER_ARG_VALUE: - if (arg->value.type != FILTER_NUMBER) { + case TEP_FILTER_ARG_VALUE: + if (arg->value.type != TEP_FILTER_NUMBER) { if (!*err) *err = TEP_ERRNO__NOT_A_NUMBER; } return arg->value.val; - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: return get_exp_value(event, arg, record, err); default: @@ -1816,7 +1817,7 @@ get_arg_value(struct event_format *event, struct filter_arg *arg, return 0; } -static int test_num(struct event_format *event, struct filter_arg *arg, +static int test_num(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { unsigned long long lval, rval; @@ -1832,22 +1833,22 @@ static int test_num(struct event_format *event, struct filter_arg *arg, } switch (arg->num.type) { - case FILTER_CMP_EQ: + case TEP_FILTER_CMP_EQ: return lval == rval; - case FILTER_CMP_NE: + case TEP_FILTER_CMP_NE: return lval != rval; - case FILTER_CMP_GT: + case TEP_FILTER_CMP_GT: return lval > rval; - case FILTER_CMP_LT: + case TEP_FILTER_CMP_LT: return lval < rval; - case FILTER_CMP_GE: + case TEP_FILTER_CMP_GE: return lval >= rval; - case FILTER_CMP_LE: + case TEP_FILTER_CMP_LE: return lval <= rval; default: @@ -1857,9 +1858,9 @@ static int test_num(struct event_format *event, struct filter_arg *arg, } } -static const char *get_field_str(struct filter_arg *arg, struct tep_record *record) +static const char *get_field_str(struct tep_filter_arg *arg, struct tep_record *record) { - struct event_format *event; + struct tep_event_format *event; struct tep_handle *pevent; unsigned long long addr; const char *val = NULL; @@ -1867,11 +1868,11 @@ static const char *get_field_str(struct filter_arg *arg, struct tep_record *reco char hex[64]; /* If the field is not a string convert it */ - if (arg->str.field->flags & FIELD_IS_STRING) { + if (arg->str.field->flags & TEP_FIELD_IS_STRING) { val = record->data + arg->str.field->offset; size = arg->str.field->size; - if (arg->str.field->flags & FIELD_IS_DYNAMIC) { + if (arg->str.field->flags & TEP_FIELD_IS_DYNAMIC) { addr = *(unsigned int *)val; val = record->data + (addr & 0xffff); size = addr >> 16; @@ -1893,7 +1894,7 @@ static const char *get_field_str(struct filter_arg *arg, struct tep_record *reco pevent = event->pevent; addr = get_value(event, arg->str.field, record); - if (arg->str.field->flags & (FIELD_IS_POINTER | FIELD_IS_LONG)) + if (arg->str.field->flags & (TEP_FIELD_IS_POINTER | TEP_FIELD_IS_LONG)) /* convert to a kernel symbol */ val = tep_find_function(pevent, addr); @@ -1907,7 +1908,7 @@ static const char *get_field_str(struct filter_arg *arg, struct tep_record *reco return val; } -static int test_str(struct event_format *event, struct filter_arg *arg, +static int test_str(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { const char *val; @@ -1918,17 +1919,17 @@ static int test_str(struct event_format *event, struct filter_arg *arg, val = get_field_str(arg, record); switch (arg->str.type) { - case FILTER_CMP_MATCH: + case TEP_FILTER_CMP_MATCH: return strcmp(val, arg->str.val) == 0; - case FILTER_CMP_NOT_MATCH: + case TEP_FILTER_CMP_NOT_MATCH: return strcmp(val, arg->str.val) != 0; - case FILTER_CMP_REGEX: + case TEP_FILTER_CMP_REGEX: /* Returns zero on match */ return !regexec(&arg->str.reg, val, 0, NULL, 0); - case FILTER_CMP_NOT_REGEX: + case TEP_FILTER_CMP_NOT_REGEX: return regexec(&arg->str.reg, val, 0, NULL, 0); default: @@ -1938,19 +1939,19 @@ static int test_str(struct event_format *event, struct filter_arg *arg, } } -static int test_op(struct event_format *event, struct filter_arg *arg, +static int test_op(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { switch (arg->op.type) { - case FILTER_OP_AND: + case TEP_FILTER_OP_AND: return test_filter(event, arg->op.left, record, err) && test_filter(event, arg->op.right, record, err); - case FILTER_OP_OR: + case TEP_FILTER_OP_OR: return test_filter(event, arg->op.left, record, err) || test_filter(event, arg->op.right, record, err); - case FILTER_OP_NOT: + case TEP_FILTER_OP_NOT: return !test_filter(event, arg->op.right, record, err); default: @@ -1960,7 +1961,7 @@ static int test_op(struct event_format *event, struct filter_arg *arg, } } -static int test_filter(struct event_format *event, struct filter_arg *arg, +static int test_filter(struct tep_event_format *event, struct tep_filter_arg *arg, struct tep_record *record, enum tep_errno *err) { if (*err) { @@ -1971,22 +1972,22 @@ static int test_filter(struct event_format *event, struct filter_arg *arg, } switch (arg->type) { - case FILTER_ARG_BOOLEAN: + case TEP_FILTER_ARG_BOOLEAN: /* easy case */ return arg->boolean.value; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: return test_op(event, arg, record, err); - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: return test_num(event, arg, record, err); - case FILTER_ARG_STR: + case TEP_FILTER_ARG_STR: return test_str(event, arg, record, err); - case FILTER_ARG_EXP: - case FILTER_ARG_VALUE: - case FILTER_ARG_FIELD: + case TEP_FILTER_ARG_EXP: + case TEP_FILTER_ARG_VALUE: + case TEP_FILTER_ARG_FIELD: /* * Expressions, fields and values evaluate * to true if they return non zero @@ -2008,9 +2009,9 @@ static int test_filter(struct event_format *event, struct filter_arg *arg, * Returns 1 if filter found for @event_id * otherwise 0; */ -int tep_event_filtered(struct event_filter *filter, int event_id) +int tep_event_filtered(struct tep_event_filter *filter, int event_id) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; if (!filter->filters) return 0; @@ -2032,11 +2033,11 @@ int tep_event_filtered(struct event_filter *filter, int event_id) * NO_FILTER - if no filters exist * otherwise - error occurred during test */ -enum tep_errno tep_filter_match(struct event_filter *filter, +enum tep_errno tep_filter_match(struct tep_event_filter *filter, struct tep_record *record) { struct tep_handle *pevent = filter->pevent; - struct filter_type *filter_type; + struct tep_filter_type *filter_type; int event_id; int ret; enum tep_errno err = 0; @@ -2059,7 +2060,7 @@ enum tep_errno tep_filter_match(struct event_filter *filter, return ret ? TEP_ERRNO__FILTER_MATCH : TEP_ERRNO__FILTER_MISS; } -static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *op_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *str = NULL; char *left = NULL; @@ -2070,10 +2071,10 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) int val; switch (arg->op.type) { - case FILTER_OP_AND: + case TEP_FILTER_OP_AND: op = "&&"; /* fall through */ - case FILTER_OP_OR: + case TEP_FILTER_OP_OR: if (!op) op = "||"; @@ -2094,8 +2095,8 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) right_val = 0; if (left_val >= 0) { - if ((arg->op.type == FILTER_OP_AND && !left_val) || - (arg->op.type == FILTER_OP_OR && left_val)) { + if ((arg->op.type == TEP_FILTER_OP_AND && !left_val) || + (arg->op.type == TEP_FILTER_OP_OR && left_val)) { /* Just return left value */ str = left; left = NULL; @@ -2105,10 +2106,10 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) /* just evaluate this. */ val = 0; switch (arg->op.type) { - case FILTER_OP_AND: + case TEP_FILTER_OP_AND: val = left_val && right_val; break; - case FILTER_OP_OR: + case TEP_FILTER_OP_OR: val = left_val || right_val; break; default: @@ -2119,8 +2120,8 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) } } if (right_val >= 0) { - if ((arg->op.type == FILTER_OP_AND && !right_val) || - (arg->op.type == FILTER_OP_OR && right_val)) { + if ((arg->op.type == TEP_FILTER_OP_AND && !right_val) || + (arg->op.type == TEP_FILTER_OP_OR && right_val)) { /* Just return right value */ str = right; right = NULL; @@ -2135,7 +2136,7 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) asprintf(&str, "(%s) %s (%s)", left, op, right); break; - case FILTER_OP_NOT: + case TEP_FILTER_OP_NOT: op = "!"; right = arg_to_str(filter, arg->op.right); if (!right) @@ -2163,7 +2164,7 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) return str; } -static char *val_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *val_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *str = NULL; @@ -2172,12 +2173,12 @@ static char *val_to_str(struct event_filter *filter, struct filter_arg *arg) return str; } -static char *field_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *field_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { return strdup(arg->field.field->name); } -static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *exp_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *lstr; char *rstr; @@ -2190,34 +2191,34 @@ static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) goto out; switch (arg->exp.type) { - case FILTER_EXP_ADD: + case TEP_FILTER_EXP_ADD: op = "+"; break; - case FILTER_EXP_SUB: + case TEP_FILTER_EXP_SUB: op = "-"; break; - case FILTER_EXP_MUL: + case TEP_FILTER_EXP_MUL: op = "*"; break; - case FILTER_EXP_DIV: + case TEP_FILTER_EXP_DIV: op = "/"; break; - case FILTER_EXP_MOD: + case TEP_FILTER_EXP_MOD: op = "%"; break; - case FILTER_EXP_RSHIFT: + case TEP_FILTER_EXP_RSHIFT: op = ">>"; break; - case FILTER_EXP_LSHIFT: + case TEP_FILTER_EXP_LSHIFT: op = "<<"; break; - case FILTER_EXP_AND: + case TEP_FILTER_EXP_AND: op = "&"; break; - case FILTER_EXP_OR: + case TEP_FILTER_EXP_OR: op = "|"; break; - case FILTER_EXP_XOR: + case TEP_FILTER_EXP_XOR: op = "^"; break; default: @@ -2233,7 +2234,7 @@ out: return str; } -static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *num_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *lstr; char *rstr; @@ -2246,26 +2247,26 @@ static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) goto out; switch (arg->num.type) { - case FILTER_CMP_EQ: + case TEP_FILTER_CMP_EQ: op = "=="; /* fall through */ - case FILTER_CMP_NE: + case TEP_FILTER_CMP_NE: if (!op) op = "!="; /* fall through */ - case FILTER_CMP_GT: + case TEP_FILTER_CMP_GT: if (!op) op = ">"; /* fall through */ - case FILTER_CMP_LT: + case TEP_FILTER_CMP_LT: if (!op) op = "<"; /* fall through */ - case FILTER_CMP_GE: + case TEP_FILTER_CMP_GE: if (!op) op = ">="; /* fall through */ - case FILTER_CMP_LE: + case TEP_FILTER_CMP_LE: if (!op) op = "<="; @@ -2283,24 +2284,24 @@ out: return str; } -static char *str_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *str_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *str = NULL; char *op = NULL; switch (arg->str.type) { - case FILTER_CMP_MATCH: + case TEP_FILTER_CMP_MATCH: op = "=="; /* fall through */ - case FILTER_CMP_NOT_MATCH: + case TEP_FILTER_CMP_NOT_MATCH: if (!op) op = "!="; /* fall through */ - case FILTER_CMP_REGEX: + case TEP_FILTER_CMP_REGEX: if (!op) op = "=~"; /* fall through */ - case FILTER_CMP_NOT_REGEX: + case TEP_FILTER_CMP_NOT_REGEX: if (!op) op = "!~"; @@ -2315,31 +2316,31 @@ static char *str_to_str(struct event_filter *filter, struct filter_arg *arg) return str; } -static char *arg_to_str(struct event_filter *filter, struct filter_arg *arg) +static char *arg_to_str(struct tep_event_filter *filter, struct tep_filter_arg *arg) { char *str = NULL; switch (arg->type) { - case FILTER_ARG_BOOLEAN: + case TEP_FILTER_ARG_BOOLEAN: asprintf(&str, arg->boolean.value ? "TRUE" : "FALSE"); return str; - case FILTER_ARG_OP: + case TEP_FILTER_ARG_OP: return op_to_str(filter, arg); - case FILTER_ARG_NUM: + case TEP_FILTER_ARG_NUM: return num_to_str(filter, arg); - case FILTER_ARG_STR: + case TEP_FILTER_ARG_STR: return str_to_str(filter, arg); - case FILTER_ARG_VALUE: + case TEP_FILTER_ARG_VALUE: return val_to_str(filter, arg); - case FILTER_ARG_FIELD: + case TEP_FILTER_ARG_FIELD: return field_to_str(filter, arg); - case FILTER_ARG_EXP: + case TEP_FILTER_ARG_EXP: return exp_to_str(filter, arg); default: @@ -2359,9 +2360,9 @@ static char *arg_to_str(struct event_filter *filter, struct filter_arg *arg) * NULL is returned if no filter is found or allocation failed. */ char * -tep_filter_make_string(struct event_filter *filter, int event_id) +tep_filter_make_string(struct tep_event_filter *filter, int event_id) { - struct filter_type *filter_type; + struct tep_filter_type *filter_type; if (!filter->filters) return NULL; @@ -2383,10 +2384,10 @@ tep_filter_make_string(struct event_filter *filter, int event_id) * 1 if the two filters hold the same content. * 0 if they do not. */ -int tep_filter_compare(struct event_filter *filter1, struct event_filter *filter2) +int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter *filter2) { - struct filter_type *filter_type1; - struct filter_type *filter_type2; + struct tep_filter_type *filter_type1; + struct tep_filter_type *filter_type2; char *str1, *str2; int result; int i; @@ -2409,8 +2410,8 @@ int tep_filter_compare(struct event_filter *filter1, struct event_filter *filter if (filter_type1->filter->type != filter_type2->filter->type) break; switch (filter_type1->filter->type) { - case FILTER_TRIVIAL_FALSE: - case FILTER_TRIVIAL_TRUE: + case TEP_FILTER_TRIVIAL_FALSE: + case TEP_FILTER_TRIVIAL_TRUE: /* trivial types just need the type compared */ continue; default: diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c index 424747475d37..528acc75d81a 100644 --- a/tools/lib/traceevent/plugin_function.c +++ b/tools/lib/traceevent/plugin_function.c @@ -23,6 +23,7 @@ #include "event-parse.h" #include "event-utils.h" +#include "trace-seq.h" static struct func_stack { int size; @@ -123,7 +124,7 @@ static int add_and_get_index(const char *parent, const char *child, int cpu) } static int function_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { struct tep_handle *pevent = event->pevent; unsigned long long function; diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c index b43bfec565d8..9aa05b4ca811 100644 --- a/tools/lib/traceevent/plugin_hrtimer.c +++ b/tools/lib/traceevent/plugin_hrtimer.c @@ -23,10 +23,11 @@ #include <string.h> #include "event-parse.h" +#include "trace-seq.h" static int timer_expire_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { trace_seq_printf(s, "hrtimer="); @@ -46,7 +47,7 @@ static int timer_expire_handler(struct trace_seq *s, static int timer_start_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { trace_seq_printf(s, "hrtimer="); diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c index 45a9acd19640..a5e34135dd6a 100644 --- a/tools/lib/traceevent/plugin_jbd2.c +++ b/tools/lib/traceevent/plugin_jbd2.c @@ -22,6 +22,7 @@ #include <string.h> #include "event-parse.h" +#include "trace-seq.h" #define MINORBITS 20 #define MINORMASK ((1U << MINORBITS) - 1) diff --git a/tools/lib/traceevent/plugin_kmem.c b/tools/lib/traceevent/plugin_kmem.c index 73966b05abce..1beb4eaddfdf 100644 --- a/tools/lib/traceevent/plugin_kmem.c +++ b/tools/lib/traceevent/plugin_kmem.c @@ -22,11 +22,12 @@ #include <string.h> #include "event-parse.h" +#include "trace-seq.h" static int call_site_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { - struct format_field *field; + struct tep_format_field *field; unsigned long long val, addr; void *data = record->data; const char *func; diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c index 1d0d15906225..d13c22846fa9 100644 --- a/tools/lib/traceevent/plugin_kvm.c +++ b/tools/lib/traceevent/plugin_kvm.c @@ -23,6 +23,7 @@ #include <stdint.h> #include "event-parse.h" +#include "trace-seq.h" #ifdef HAVE_UDIS86 @@ -248,7 +249,7 @@ static const char *find_exit_reason(unsigned isa, int val) } static int print_exit_reason(struct trace_seq *s, struct tep_record *record, - struct event_format *event, const char *field) + struct tep_event_format *event, const char *field) { unsigned long long isa; unsigned long long val; @@ -269,7 +270,7 @@ static int print_exit_reason(struct trace_seq *s, struct tep_record *record, } static int kvm_exit_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { unsigned long long info1 = 0, info2 = 0; @@ -292,7 +293,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct tep_record *record, static int kvm_emulate_insn_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { unsigned long long rip, csbase, len, flags, failed; int llen; @@ -331,7 +332,7 @@ static int kvm_emulate_insn_handler(struct trace_seq *s, static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { if (print_exit_reason(s, record, event, "exit_code") < 0) return -1; @@ -345,7 +346,7 @@ static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct tep_reco } static int kvm_nested_vmexit_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { tep_print_num_field(s, "rip %llx ", event, "rip", record, 1); @@ -371,7 +372,7 @@ union kvm_mmu_page_role { }; static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { unsigned long long val; static const char *access_str[] = { @@ -418,7 +419,7 @@ static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record, static int kvm_mmu_get_page_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { unsigned long long val; diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c index de50a5316203..da3855e7b86f 100644 --- a/tools/lib/traceevent/plugin_mac80211.c +++ b/tools/lib/traceevent/plugin_mac80211.c @@ -22,13 +22,14 @@ #include <string.h> #include "event-parse.h" +#include "trace-seq.h" #define INDENT 65 -static void print_string(struct trace_seq *s, struct event_format *event, +static void print_string(struct trace_seq *s, struct tep_event_format *event, const char *name, const void *data) { - struct format_field *f = tep_find_field(event, name); + struct tep_format_field *f = tep_find_field(event, name); int offset; int length; @@ -59,7 +60,7 @@ static void print_string(struct trace_seq *s, struct event_format *event, static int drv_bss_info_changed(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { void *data = record->data; diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c index eecb4bd95c11..77882272672f 100644 --- a/tools/lib/traceevent/plugin_sched_switch.c +++ b/tools/lib/traceevent/plugin_sched_switch.c @@ -22,6 +22,7 @@ #include <string.h> #include "event-parse.h" +#include "trace-seq.h" static void write_state(struct trace_seq *s, int val) { @@ -44,7 +45,7 @@ static void write_state(struct trace_seq *s, int val) trace_seq_putc(s, 'R'); } -static void write_and_save_comm(struct format_field *field, +static void write_and_save_comm(struct tep_format_field *field, struct tep_record *record, struct trace_seq *s, int pid) { @@ -66,9 +67,9 @@ static void write_and_save_comm(struct format_field *field, static int sched_wakeup_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { - struct format_field *field; + struct tep_format_field *field; unsigned long long val; if (tep_get_field_val(s, event, "pid", record, &val, 1)) @@ -95,9 +96,9 @@ static int sched_wakeup_handler(struct trace_seq *s, static int sched_switch_handler(struct trace_seq *s, struct tep_record *record, - struct event_format *event, void *context) + struct tep_event_format *event, void *context) { - struct format_field *field; + struct tep_format_field *field; unsigned long long val; if (tep_get_field_val(s, event, "prev_pid", record, &val, 1)) diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c index 5ec346f6b842..4eba25cc1431 100644 --- a/tools/lib/traceevent/plugin_scsi.c +++ b/tools/lib/traceevent/plugin_scsi.c @@ -3,6 +3,7 @@ #include <string.h> #include <inttypes.h> #include "event-parse.h" +#include "trace-seq.h" typedef unsigned long sector_t; typedef uint64_t u64; diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c index b2acbd6e9c86..bc0496e4c296 100644 --- a/tools/lib/traceevent/plugin_xen.c +++ b/tools/lib/traceevent/plugin_xen.c @@ -3,6 +3,7 @@ #include <stdlib.h> #include <string.h> #include "event-parse.h" +#include "trace-seq.h" #define __HYPERVISOR_set_trap_table 0 #define __HYPERVISOR_mmu_update 1 diff --git a/tools/lib/traceevent/tep_strerror.c b/tools/lib/traceevent/tep_strerror.c new file mode 100644 index 000000000000..4ac26445b2f6 --- /dev/null +++ b/tools/lib/traceevent/tep_strerror.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: LGPL-2.1 +#undef _GNU_SOURCE +#include <string.h> +#include <stdio.h> + +#include "event-parse.h" + +#undef _PE +#define _PE(code, str) str +static const char * const tep_error_str[] = { + TEP_ERRORS +}; +#undef _PE + +/* + * The tools so far have been using the strerror_r() GNU variant, that returns + * a string, be it the buffer passed or something else. + * + * But that, besides being tricky in cases where we expect that the function + * using strerror_r() returns the error formatted in a provided buffer (we have + * to check if it returned something else and copy that instead), breaks the + * build on systems not using glibc, like Alpine Linux, where musl libc is + * used. + * + * So, introduce yet another wrapper, str_error_r(), that has the GNU + * interface, but uses the portable XSI variant of strerror_r(), so that users + * rest asured that the provided buffer is used and it is what is returned. + */ +int tep_strerror(struct tep_handle *tep __maybe_unused, + enum tep_errno errnum, char *buf, size_t buflen) +{ + const char *msg; + int idx; + + if (!buflen) + return 0; + + if (errnum >= 0) { + int err = strerror_r(errnum, buf, buflen); + buf[buflen - 1] = 0; + return err; + } + + if (errnum <= __TEP_ERRNO__START || + errnum >= __TEP_ERRNO__END) + return -1; + + idx = errnum - __TEP_ERRNO__START - 1; + msg = tep_error_str[idx]; + snprintf(buf, buflen, "%s", msg); + + return 0; +} diff --git a/tools/lib/traceevent/trace-seq.c b/tools/lib/traceevent/trace-seq.c index e3bac4543d3b..8ff1d55954d1 100644 --- a/tools/lib/traceevent/trace-seq.c +++ b/tools/lib/traceevent/trace-seq.c @@ -3,6 +3,8 @@ * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> * */ +#include "trace-seq.h" + #include <stdio.h> #include <stdlib.h> #include <string.h> diff --git a/tools/lib/traceevent/trace-seq.h b/tools/lib/traceevent/trace-seq.h new file mode 100644 index 000000000000..d68ec69f8d1a --- /dev/null +++ b/tools/lib/traceevent/trace-seq.h @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + */ + +#ifndef _TRACE_SEQ_H +#define _TRACE_SEQ_H + +#include <stdarg.h> +#include <stdio.h> + +/* ----------------------- trace_seq ----------------------- */ + +#ifndef TRACE_SEQ_BUF_SIZE +#define TRACE_SEQ_BUF_SIZE 4096 +#endif + +enum trace_seq_fail { + TRACE_SEQ__GOOD, + TRACE_SEQ__BUFFER_POISONED, + TRACE_SEQ__MEM_ALLOC_FAILED, +}; + +/* + * Trace sequences are used to allow a function to call several other functions + * to create a string of data to use (up to a max of PAGE_SIZE). + */ + +struct trace_seq { + char *buffer; + unsigned int buffer_size; + unsigned int len; + unsigned int readpos; + enum trace_seq_fail state; +}; + +void trace_seq_init(struct trace_seq *s); +void trace_seq_reset(struct trace_seq *s); +void trace_seq_destroy(struct trace_seq *s); + +extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) + __attribute__ ((format (printf, 2, 3))); +extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args) + __attribute__ ((format (printf, 2, 0))); + +extern int trace_seq_puts(struct trace_seq *s, const char *str); +extern int trace_seq_putc(struct trace_seq *s, unsigned char c); + +extern void trace_seq_terminate(struct trace_seq *s); + +extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp); +extern int trace_seq_do_printf(struct trace_seq *s); + +#endif /* _TRACE_SEQ_H */ |