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-rw-r--r--tools/perf/util/dso.h575
1 files changed, 497 insertions, 78 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index d8cb4f5680a4..df2c98402af3 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -2,7 +2,6 @@
#ifndef __PERF_DSO
#define __PERF_DSO
-#include <pthread.h>
#include <linux/refcount.h>
#include <linux/types.h>
#include <linux/rbtree.h>
@@ -11,6 +10,8 @@
#include <stdio.h>
#include <linux/bitops.h>
#include "build-id.h"
+#include "mutex.h"
+#include <internal/rc_check.h>
struct machine;
struct map;
@@ -100,26 +101,27 @@ enum dso_load_errno {
__DSO_LOAD_ERRNO__END,
};
-#define DSO__SWAP(dso, type, val) \
-({ \
- type ____r = val; \
- BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \
- if (dso->needs_swap == DSO_SWAP__YES) { \
- switch (sizeof(____r)) { \
- case 2: \
- ____r = bswap_16(val); \
- break; \
- case 4: \
- ____r = bswap_32(val); \
- break; \
- case 8: \
- ____r = bswap_64(val); \
- break; \
- default: \
- BUG_ON(1); \
- } \
- } \
- ____r; \
+#define DSO__SWAP(dso, type, val) \
+({ \
+ type ____r = val; \
+ enum dso_swap_type ___dst = dso__needs_swap(dso); \
+ BUG_ON(___dst == DSO_SWAP__UNSET); \
+ if (___dst == DSO_SWAP__YES) { \
+ switch (sizeof(____r)) { \
+ case 2: \
+ ____r = bswap_16(val); \
+ break; \
+ case 4: \
+ ____r = bswap_32(val); \
+ break; \
+ case 8: \
+ ____r = bswap_64(val); \
+ break; \
+ default: \
+ BUG_ON(1); \
+ } \
+ } \
+ ____r; \
})
#define DSO__DATA_CACHE_SIZE 4096
@@ -142,92 +144,487 @@ struct dso_cache {
char data[];
};
+struct dso_data {
+ struct rb_root cache;
+ struct list_head open_entry;
+#ifdef REFCNT_CHECKING
+ struct dso *dso;
+#endif
+ int fd;
+ int status;
+ u32 status_seen;
+ u64 file_size;
+ u64 elf_base_addr;
+ u64 debug_frame_offset;
+ u64 eh_frame_hdr_addr;
+ u64 eh_frame_hdr_offset;
+};
+
+struct dso_bpf_prog {
+ u32 id;
+ u32 sub_id;
+ struct perf_env *env;
+};
+
struct auxtrace_cache;
-struct dso {
- pthread_mutex_t lock;
- struct list_head node;
- struct rb_node rb_node; /* rbtree node sorted by long name */
- struct rb_root *root; /* root of rbtree that rb_node is in */
+DECLARE_RC_STRUCT(dso) {
+ struct mutex lock;
+ struct dsos *dsos;
struct rb_root_cached symbols;
- struct rb_root_cached symbol_names;
+ struct symbol **symbol_names;
+ size_t symbol_names_len;
struct rb_root_cached inlined_nodes;
struct rb_root_cached srclines;
+ struct rb_root data_types;
+ struct rb_root global_vars;
+
struct {
u64 addr;
struct symbol *symbol;
} last_find_result;
+ struct build_id bid;
+ u64 text_offset;
+ u64 text_end;
+ const char *short_name;
+ const char *long_name;
void *a2l;
char *symsrc_filename;
+#if defined(__powerpc__)
+ void *dwfl; /* DWARF debug info */
+#endif
+ struct nsinfo *nsinfo;
+ struct auxtrace_cache *auxtrace_cache;
+ union { /* Tool specific area */
+ void *priv;
+ u64 db_id;
+ };
+ /* bpf prog information */
+ struct dso_bpf_prog bpf_prog;
+ /* dso data file */
+ struct dso_data data;
+ struct dso_id id;
unsigned int a2l_fails;
- enum dso_space_type kernel;
- enum dso_swap_type needs_swap;
- enum dso_binary_type symtab_type;
- enum dso_binary_type binary_type;
+ int comp;
+ refcount_t refcnt;
enum dso_load_errno load_errno;
+ u16 long_name_len;
+ u16 short_name_len;
+ enum dso_binary_type symtab_type:8;
+ enum dso_binary_type binary_type:8;
+ enum dso_space_type kernel:2;
+ enum dso_swap_type needs_swap:2;
+ bool is_kmod:1;
u8 adjust_symbols:1;
u8 has_build_id:1;
+ u8 header_build_id:1;
u8 has_srcline:1;
u8 hit:1;
u8 annotate_warned:1;
+ u8 auxtrace_warned:1;
u8 short_name_allocated:1;
u8 long_name_allocated:1;
u8 is_64_bit:1;
bool sorted_by_name;
bool loaded;
u8 rel;
- struct build_id bid;
- u64 text_offset;
- const char *short_name;
- const char *long_name;
- u16 long_name_len;
- u16 short_name_len;
- void *dwfl; /* DWARF debug info */
- struct auxtrace_cache *auxtrace_cache;
- int comp;
-
- /* dso data file */
- struct {
- struct rb_root cache;
- int fd;
- int status;
- u32 status_seen;
- size_t file_size;
- struct list_head open_entry;
- u64 debug_frame_offset;
- u64 eh_frame_hdr_offset;
- } data;
- /* bpf prog information */
- struct {
- u32 id;
- u32 sub_id;
- struct perf_env *env;
- } bpf_prog;
-
- union { /* Tool specific area */
- void *priv;
- u64 db_id;
- };
- struct nsinfo *nsinfo;
- struct dso_id id;
- refcount_t refcnt;
char name[];
};
/* dso__for_each_symbol - iterate over the symbols of given type
*
- * @dso: the 'struct dso *' in which symbols itereated
+ * @dso: the 'struct dso *' in which symbols are iterated
* @pos: the 'struct symbol *' to use as a loop cursor
* @n: the 'struct rb_node *' to use as a temporary storage
*/
#define dso__for_each_symbol(dso, pos, n) \
- symbols__for_each_entry(&(dso)->symbols, pos, n)
+ symbols__for_each_entry(dso__symbols(dso), pos, n)
+
+static inline void *dso__a2l(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->a2l;
+}
+
+static inline void dso__set_a2l(struct dso *dso, void *val)
+{
+ RC_CHK_ACCESS(dso)->a2l = val;
+}
+
+static inline unsigned int dso__a2l_fails(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->a2l_fails;
+}
+
+static inline void dso__set_a2l_fails(struct dso *dso, unsigned int val)
+{
+ RC_CHK_ACCESS(dso)->a2l_fails = val;
+}
+
+static inline bool dso__adjust_symbols(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->adjust_symbols;
+}
+
+static inline void dso__set_adjust_symbols(struct dso *dso, bool val)
+{
+ RC_CHK_ACCESS(dso)->adjust_symbols = val;
+}
+
+static inline bool dso__annotate_warned(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->annotate_warned;
+}
+
+static inline void dso__set_annotate_warned(struct dso *dso)
+{
+ RC_CHK_ACCESS(dso)->annotate_warned = 1;
+}
+
+static inline struct auxtrace_cache *dso__auxtrace_cache(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->auxtrace_cache;
+}
+
+static inline void dso__set_auxtrace_cache(struct dso *dso, struct auxtrace_cache *cache)
+{
+ RC_CHK_ACCESS(dso)->auxtrace_cache = cache;
+}
+
+static inline struct build_id *dso__bid(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->bid;
+}
+
+static inline const struct build_id *dso__bid_const(const struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->bid;
+}
+
+static inline struct dso_bpf_prog *dso__bpf_prog(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->bpf_prog;
+}
+
+static inline bool dso__has_build_id(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->has_build_id;
+}
+
+static inline void dso__set_has_build_id(struct dso *dso)
+{
+ RC_CHK_ACCESS(dso)->has_build_id = true;
+}
+
+static inline bool dso__has_srcline(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->has_srcline;
+}
+
+static inline void dso__set_has_srcline(struct dso *dso, bool val)
+{
+ RC_CHK_ACCESS(dso)->has_srcline = val;
+}
+
+static inline int dso__comp(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->comp;
+}
+
+static inline void dso__set_comp(struct dso *dso, int comp)
+{
+ RC_CHK_ACCESS(dso)->comp = comp;
+}
+
+static inline struct dso_data *dso__data(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->data;
+}
+
+static inline u64 dso__db_id(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->db_id;
+}
+
+static inline void dso__set_db_id(struct dso *dso, u64 db_id)
+{
+ RC_CHK_ACCESS(dso)->db_id = db_id;
+}
+
+static inline struct dsos *dso__dsos(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->dsos;
+}
+
+static inline void dso__set_dsos(struct dso *dso, struct dsos *dsos)
+{
+ RC_CHK_ACCESS(dso)->dsos = dsos;
+}
+
+static inline bool dso__header_build_id(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->header_build_id;
+}
+
+static inline void dso__set_header_build_id(struct dso *dso, bool val)
+{
+ RC_CHK_ACCESS(dso)->header_build_id = val;
+}
+
+static inline bool dso__hit(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->hit;
+}
+
+static inline void dso__set_hit(struct dso *dso)
+{
+ RC_CHK_ACCESS(dso)->hit = 1;
+}
+
+static inline struct dso_id *dso__id(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->id;
+}
+
+static inline const struct dso_id *dso__id_const(const struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->id;
+}
+
+static inline struct rb_root_cached *dso__inlined_nodes(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->inlined_nodes;
+}
+
+static inline bool dso__is_64_bit(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->is_64_bit;
+}
+
+static inline void dso__set_is_64_bit(struct dso *dso, bool is)
+{
+ RC_CHK_ACCESS(dso)->is_64_bit = is;
+}
+
+static inline bool dso__is_kmod(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->is_kmod;
+}
+
+static inline void dso__set_is_kmod(struct dso *dso)
+{
+ RC_CHK_ACCESS(dso)->is_kmod = 1;
+}
+
+static inline enum dso_space_type dso__kernel(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->kernel;
+}
+
+static inline void dso__set_kernel(struct dso *dso, enum dso_space_type kernel)
+{
+ RC_CHK_ACCESS(dso)->kernel = kernel;
+}
+
+static inline u64 dso__last_find_result_addr(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->last_find_result.addr;
+}
+
+static inline void dso__set_last_find_result_addr(struct dso *dso, u64 addr)
+{
+ RC_CHK_ACCESS(dso)->last_find_result.addr = addr;
+}
+
+static inline struct symbol *dso__last_find_result_symbol(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->last_find_result.symbol;
+}
+
+static inline void dso__set_last_find_result_symbol(struct dso *dso, struct symbol *symbol)
+{
+ RC_CHK_ACCESS(dso)->last_find_result.symbol = symbol;
+}
+
+static inline enum dso_load_errno *dso__load_errno(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->load_errno;
+}
static inline void dso__set_loaded(struct dso *dso)
{
- dso->loaded = true;
+ RC_CHK_ACCESS(dso)->loaded = true;
+}
+
+static inline struct mutex *dso__lock(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->lock;
}
+static inline const char *dso__long_name(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->long_name;
+}
+
+static inline bool dso__long_name_allocated(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->long_name_allocated;
+}
+
+static inline void dso__set_long_name_allocated(struct dso *dso, bool allocated)
+{
+ RC_CHK_ACCESS(dso)->long_name_allocated = allocated;
+}
+
+static inline u16 dso__long_name_len(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->long_name_len;
+}
+
+static inline const char *dso__name(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->name;
+}
+
+static inline enum dso_swap_type dso__needs_swap(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->needs_swap;
+}
+
+static inline void dso__set_needs_swap(struct dso *dso, enum dso_swap_type type)
+{
+ RC_CHK_ACCESS(dso)->needs_swap = type;
+}
+
+static inline struct nsinfo *dso__nsinfo(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->nsinfo;
+}
+
+static inline const struct nsinfo *dso__nsinfo_const(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->nsinfo;
+}
+
+static inline struct nsinfo **dso__nsinfo_ptr(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->nsinfo;
+}
+
+void dso__set_nsinfo(struct dso *dso, struct nsinfo *nsi);
+
+static inline u8 dso__rel(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->rel;
+}
+
+static inline void dso__set_rel(struct dso *dso, u8 rel)
+{
+ RC_CHK_ACCESS(dso)->rel = rel;
+}
+
+static inline const char *dso__short_name(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->short_name;
+}
+
+static inline bool dso__short_name_allocated(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->short_name_allocated;
+}
+
+static inline void dso__set_short_name_allocated(struct dso *dso, bool allocated)
+{
+ RC_CHK_ACCESS(dso)->short_name_allocated = allocated;
+}
+
+static inline u16 dso__short_name_len(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->short_name_len;
+}
+
+static inline struct rb_root_cached *dso__srclines(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->srclines;
+}
+
+static inline struct rb_root *dso__data_types(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->data_types;
+}
+
+static inline struct rb_root *dso__global_vars(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->global_vars;
+}
+
+static inline struct rb_root_cached *dso__symbols(struct dso *dso)
+{
+ return &RC_CHK_ACCESS(dso)->symbols;
+}
+
+static inline struct symbol **dso__symbol_names(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->symbol_names;
+}
+
+static inline void dso__set_symbol_names(struct dso *dso, struct symbol **names)
+{
+ RC_CHK_ACCESS(dso)->symbol_names = names;
+}
+
+static inline size_t dso__symbol_names_len(struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->symbol_names_len;
+}
+
+static inline void dso__set_symbol_names_len(struct dso *dso, size_t len)
+{
+ RC_CHK_ACCESS(dso)->symbol_names_len = len;
+}
+
+static inline const char *dso__symsrc_filename(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->symsrc_filename;
+}
+
+static inline void dso__set_symsrc_filename(struct dso *dso, char *val)
+{
+ RC_CHK_ACCESS(dso)->symsrc_filename = val;
+}
+
+static inline enum dso_binary_type dso__symtab_type(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->symtab_type;
+}
+
+static inline void dso__set_symtab_type(struct dso *dso, enum dso_binary_type bt)
+{
+ RC_CHK_ACCESS(dso)->symtab_type = bt;
+}
+
+static inline u64 dso__text_end(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->text_end;
+}
+
+static inline void dso__set_text_end(struct dso *dso, u64 val)
+{
+ RC_CHK_ACCESS(dso)->text_end = val;
+}
+
+static inline u64 dso__text_offset(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->text_offset;
+}
+
+static inline void dso__set_text_offset(struct dso *dso, u64 val)
+{
+ RC_CHK_ACCESS(dso)->text_offset = val;
+}
+
+int dso_id__cmp(const struct dso_id *a, const struct dso_id *b);
+bool dso_id__empty(const struct dso_id *id);
+
struct dso *dso__new_id(const char *name, struct dso_id *id);
struct dso *dso__new(const char *name);
void dso__delete(struct dso *dso);
@@ -235,6 +632,7 @@ void dso__delete(struct dso *dso);
int dso__cmp_id(struct dso *a, struct dso *b);
void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated);
void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated);
+void __dso__inject_id(struct dso *dso, struct dso_id *id);
int dso__name_len(const struct dso *dso);
@@ -253,9 +651,11 @@ bool dso__loaded(const struct dso *dso);
static inline bool dso__has_symbols(const struct dso *dso)
{
- return !RB_EMPTY_ROOT(&dso->symbols.rb_root);
+ return !RB_EMPTY_ROOT(&RC_CHK_ACCESS(dso)->symbols.rb_root);
}
+char *dso__filename_with_chroot(const struct dso *dso, const char *filename);
+
bool dso__sorted_by_name(const struct dso *dso);
void dso__set_sorted_by_name(struct dso *dso);
void dso__sort_by_name(struct dso *dso);
@@ -274,6 +674,8 @@ bool dso__needs_decompress(struct dso *dso);
int dso__decompress_kmodule_fd(struct dso *dso, const char *name);
int dso__decompress_kmodule_path(struct dso *dso, const char *name,
char *pathname, size_t len);
+int filename__decompress(const char *name, char *pathname,
+ size_t len, int comp, int *err);
#define KMOD_DECOMP_NAME "/tmp/perf-kmod-XXXXXX"
#define KMOD_DECOMP_LEN sizeof(KMOD_DECOMP_NAME)
@@ -365,23 +767,37 @@ void dso__reset_find_symbol_cache(struct dso *dso);
size_t dso__fprintf_symbols_by_name(struct dso *dso, FILE *fp);
size_t dso__fprintf(struct dso *dso, FILE *fp);
-static inline bool dso__is_vmlinux(struct dso *dso)
+static inline enum dso_binary_type dso__binary_type(const struct dso *dso)
{
- return dso->binary_type == DSO_BINARY_TYPE__VMLINUX ||
- dso->binary_type == DSO_BINARY_TYPE__GUEST_VMLINUX;
+ return RC_CHK_ACCESS(dso)->binary_type;
}
-static inline bool dso__is_kcore(struct dso *dso)
+static inline void dso__set_binary_type(struct dso *dso, enum dso_binary_type bt)
{
- return dso->binary_type == DSO_BINARY_TYPE__KCORE ||
- dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE;
+ RC_CHK_ACCESS(dso)->binary_type = bt;
}
-static inline bool dso__is_kallsyms(struct dso *dso)
+static inline bool dso__is_vmlinux(const struct dso *dso)
{
- return dso->kernel && dso->long_name[0] != '/';
+ enum dso_binary_type bt = dso__binary_type(dso);
+
+ return bt == DSO_BINARY_TYPE__VMLINUX || bt == DSO_BINARY_TYPE__GUEST_VMLINUX;
}
+static inline bool dso__is_kcore(const struct dso *dso)
+{
+ enum dso_binary_type bt = dso__binary_type(dso);
+
+ return bt == DSO_BINARY_TYPE__KCORE || bt == DSO_BINARY_TYPE__GUEST_KCORE;
+}
+
+static inline bool dso__is_kallsyms(const struct dso *dso)
+{
+ return RC_CHK_ACCESS(dso)->kernel && RC_CHK_ACCESS(dso)->long_name[0] != '/';
+}
+
+bool dso__is_object_file(const struct dso *dso);
+
void dso__free_a2l(struct dso *dso);
enum dso_type dso__type(struct dso *dso, struct machine *machine);
@@ -390,4 +806,7 @@ int dso__strerror_load(struct dso *dso, char *buf, size_t buflen);
void reset_fd_limit(void);
+u64 dso__find_global_type(struct dso *dso, u64 addr);
+u64 dso__findnew_global_type(struct dso *dso, u64 addr, u64 offset);
+
#endif /* __PERF_DSO */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.