From 8cc28269b9574103aae9088a02a20929ec75f983 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Sat, 10 Nov 2018 16:14:59 +0100 Subject: parisc: Split out alternative live patching code Move the alternative implemenation coding to alternative.c and add code to patch modules while loading. Signed-off-by: Helge Deller --- arch/parisc/kernel/Makefile | 2 +- arch/parisc/kernel/alternative.c | 98 ++++++++++++++++++++++++++++++++++++++++ arch/parisc/kernel/module.c | 14 ++++++ arch/parisc/kernel/setup.c | 80 -------------------------------- 4 files changed, 113 insertions(+), 81 deletions(-) create mode 100644 arch/parisc/kernel/alternative.c (limited to 'arch/parisc/kernel') diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile index e5de34d00b1a..8e5f1ab65c68 100644 --- a/arch/parisc/kernel/Makefile +++ b/arch/parisc/kernel/Makefile @@ -7,7 +7,7 @@ extra-y := head.o vmlinux.lds obj-y := cache.o pacache.o setup.o pdt.o traps.o time.o irq.o \ pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \ - ptrace.o hardware.o inventory.o drivers.o \ + ptrace.o hardware.o inventory.o drivers.o alternative.o \ signal.o hpmc.o real2.o parisc_ksyms.o unaligned.o \ process.o processor.o pdc_cons.o pdc_chassis.o unwind.o diff --git a/arch/parisc/kernel/alternative.c b/arch/parisc/kernel/alternative.c new file mode 100644 index 000000000000..bf2274e01a96 --- /dev/null +++ b/arch/parisc/kernel/alternative.c @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Alternative live-patching for parisc. + * Copyright (C) 2018 Helge Deller + * + */ + +#include +#include +#include + +#include + +static int no_alternatives; +static int __init setup_no_alternatives(char *str) +{ + no_alternatives = 1; + return 1; +} +__setup("no-alternatives", setup_no_alternatives); + +void __init_or_module apply_alternatives(struct alt_instr *start, + struct alt_instr *end, const char *module_name) +{ + struct alt_instr *entry; + int index = 0, applied = 0; + int num_cpus = num_online_cpus(); + + for (entry = start; entry < end; entry++, index++) { + + u32 *from, len, cond, replacement; + + from = (u32 *)((ulong)&entry->orig_offset + entry->orig_offset); + len = entry->len; + cond = entry->cond; + replacement = entry->replacement; + + WARN_ON(!cond); + + if (cond != ALT_COND_ALWAYS && no_alternatives) + continue; + + pr_debug("Check %d: Cond 0x%x, Replace %02d instructions @ 0x%px with 0x%08x\n", + index, cond, len, from, replacement); + + if ((cond & ALT_COND_NO_SMP) && (num_cpus != 1)) + continue; + if ((cond & ALT_COND_NO_DCACHE) && (cache_info.dc_size != 0)) + continue; + if ((cond & ALT_COND_NO_ICACHE) && (cache_info.ic_size != 0)) + continue; + + /* + * If the PDC_MODEL capabilities has Non-coherent IO-PDIR bit + * set (bit #61, big endian), we have to flush and sync every + * time IO-PDIR is changed in Ike/Astro. + */ + if ((cond & ALT_COND_NO_IOC_FDC) && + (boot_cpu_data.pdc.capabilities & PDC_MODEL_IOPDIR_FDC)) + continue; + + /* Want to replace pdtlb by a pdtlb,l instruction? */ + if (replacement == INSN_PxTLB) { + replacement = *from; + if (boot_cpu_data.cpu_type >= pcxu) /* >= pa2.0 ? */ + replacement |= (1 << 10); /* set el bit */ + } + + /* + * Replace instruction with NOPs? + * For long distance insert a branch instruction instead. + */ + if (replacement == INSN_NOP && len > 1) + replacement = 0xe8000002 + (len-2)*8; /* "b,n .+8" */ + + pr_debug("Do %d: Cond 0x%x, Replace %02d instructions @ 0x%px with 0x%08x\n", + index, cond, len, from, replacement); + + /* Replace instruction */ + *from = replacement; + applied++; + } + + pr_info("%s%salternatives: applied %d out of %d patches\n", + module_name ? : "", module_name ? " " : "", + applied, index); +} + + +void __init apply_alternatives_all(void) +{ + set_kernel_text_rw(1); + + apply_alternatives((struct alt_instr *) &__alt_instructions, + (struct alt_instr *) &__alt_instructions_end, NULL); + + set_kernel_text_rw(0); +} diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index b5b3cb00f1fb..43778420614b 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -877,6 +877,8 @@ int module_finalize(const Elf_Ehdr *hdr, int i; unsigned long nsyms; const char *strtab = NULL; + const Elf_Shdr *s; + char *secstrings; Elf_Sym *newptr, *oldptr; Elf_Shdr *symhdr = NULL; #ifdef DEBUG @@ -948,6 +950,18 @@ int module_finalize(const Elf_Ehdr *hdr, nsyms = newptr - (Elf_Sym *)symhdr->sh_addr; DEBUGP("NEW num_symtab %lu\n", nsyms); symhdr->sh_size = nsyms * sizeof(Elf_Sym); + + /* find .altinstructions section */ + secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) { + void *aseg = (void *) s->sh_addr; + char *secname = secstrings + s->sh_name; + + if (!strcmp(".altinstructions", secname)) + /* patch .altinstructions */ + apply_alternatives(aseg, aseg + s->sh_size, me->name); + } + return 0; } diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index cd227f1cf629..2b108ee3b217 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -305,86 +305,6 @@ static int __init parisc_init_resources(void) return 0; } -static int no_alternatives __initdata; -static int __init setup_no_alternatives(char *str) -{ - no_alternatives = 1; - return 1; -} -__setup("no-alternatives", setup_no_alternatives); - -static void __init apply_alternatives_all(void) -{ - struct alt_instr *entry; - int index = 0, applied = 0; - - - pr_info("alternatives: %spatching kernel code\n", - no_alternatives ? "NOT " : ""); - if (no_alternatives) - return; - - set_kernel_text_rw(1); - - for (entry = (struct alt_instr *) &__alt_instructions; - entry < (struct alt_instr *) &__alt_instructions_end; - entry++, index++) { - - u32 *from, len, cond, replacement; - - from = (u32 *)((ulong)&entry->orig_offset + entry->orig_offset); - len = entry->len; - cond = entry->cond; - replacement = entry->replacement; - - WARN_ON(!cond); - pr_debug("Check %d: Cond 0x%x, Replace %02d instructions @ 0x%px with 0x%08x\n", - index, cond, len, from, replacement); - - if ((cond & ALT_COND_NO_SMP) && (num_online_cpus() != 1)) - continue; - if ((cond & ALT_COND_NO_DCACHE) && (cache_info.dc_size != 0)) - continue; - if ((cond & ALT_COND_NO_ICACHE) && (cache_info.ic_size != 0)) - continue; - - /* - * If the PDC_MODEL capabilities has Non-coherent IO-PDIR bit - * set (bit #61, big endian), we have to flush and sync every - * time IO-PDIR is changed in Ike/Astro. - */ - if ((cond & ALT_COND_NO_IOC_FDC) && - (boot_cpu_data.pdc.capabilities & PDC_MODEL_IOPDIR_FDC)) - continue; - - /* Want to replace pdtlb by a pdtlb,l instruction? */ - if (replacement == INSN_PxTLB) { - replacement = *from; - if (boot_cpu_data.cpu_type >= pcxu) /* >= pa2.0 ? */ - replacement |= (1 << 10); /* set el bit */ - } - - /* - * Replace instruction with NOPs? - * For long distance insert a branch instruction instead. - */ - if (replacement == INSN_NOP && len > 1) - replacement = 0xe8000002 + (len-2)*8; /* "b,n .+8" */ - - pr_debug("Do %d: Cond 0x%x, Replace %02d instructions @ 0x%px with 0x%08x\n", - index, cond, len, from, replacement); - - /* Replace instruction */ - *from = replacement; - applied++; - } - - pr_info("alternatives: applied %d out of %d patches\n", applied, index); - - set_kernel_text_rw(0); -} - - extern void gsc_init(void); extern void processor_init(void); extern void ccio_init(void); -- cgit v1.2.3-59-g8ed1b From 85e69701f58c9b2ec2975e31518b60e056bfebdf Mon Sep 17 00:00:00 2001 From: Firoz Khan Date: Sun, 9 Sep 2018 07:22:50 +0530 Subject: parisc: add system call table generation support The system call tables are in different format in all architecture and it will be difficult to manually add, modify or delete the syscall table entries in the res- pective files. To make it easy by keeping a script and which will generate the uapi header and syscall table file. This change will also help to unify the implemen- tation across all architectures. The system call table generation script is added in kernel/syscalls directory which contain the scripts to generate both uapi header file and system call table files. The syscall.tbl will be input for the scripts. syscall.tbl contains the list of available system calls along with system call number and corresponding entry point. Add a new system call in this architecture will be possible by adding new entry in the syscall.tbl file. Adding a new table entry consisting of: - System call number. - ABI. - System call name. - Entry point name. - Compat entry name, if required. syscallhdr.sh and syscalltbl.sh will generate uapi header unistd_32/64.h and syscall_table_32/64/c32.h files respect- ively. Both .sh files will parse the content syscall.tbl to generate the header and table files. unistd_32/64.h will be included by uapi/asm/unistd.h and syscall_table_32/64/- c32.h is included by kernel/syscall.S - the real system call table. ARM, s390 and x86 architecuture does have similar support. I leverage their implementation to come up with a generic solution. Signed-off-by: Firoz Khan Acked-by: Helge Deller Signed-off-by: Helge Deller --- arch/parisc/kernel/syscalls/Makefile | 55 +++++ arch/parisc/kernel/syscalls/syscall.tbl | 369 ++++++++++++++++++++++++++++++ arch/parisc/kernel/syscalls/syscallhdr.sh | 36 +++ arch/parisc/kernel/syscalls/syscalltbl.sh | 36 +++ 4 files changed, 496 insertions(+) create mode 100644 arch/parisc/kernel/syscalls/Makefile create mode 100644 arch/parisc/kernel/syscalls/syscall.tbl create mode 100644 arch/parisc/kernel/syscalls/syscallhdr.sh create mode 100644 arch/parisc/kernel/syscalls/syscalltbl.sh (limited to 'arch/parisc/kernel') diff --git a/arch/parisc/kernel/syscalls/Makefile b/arch/parisc/kernel/syscalls/Makefile new file mode 100644 index 000000000000..c22a21c39f30 --- /dev/null +++ b/arch/parisc/kernel/syscalls/Makefile @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +kapi := arch/$(SRCARCH)/include/generated/asm +uapi := arch/$(SRCARCH)/include/generated/uapi/asm + +_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ + $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') + +syscall := $(srctree)/$(src)/syscall.tbl +syshdr := $(srctree)/$(src)/syscallhdr.sh +systbl := $(srctree)/$(src)/syscalltbl.sh + +quiet_cmd_syshdr = SYSHDR $@ + cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ + '$(syshdr_abis_$(basetarget))' \ + '$(syshdr_pfx_$(basetarget))' \ + '$(syshdr_offset_$(basetarget))' + +quiet_cmd_systbl = SYSTBL $@ + cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ + '$(systbl_abis_$(basetarget))' \ + '$(systbl_abi_$(basetarget))' \ + '$(systbl_offset_$(basetarget))' + +syshdr_abis_unistd_32 := common,32 +$(uapi)/unistd_32.h: $(syscall) $(syshdr) + $(call if_changed,syshdr) + +syshdr_abis_unistd_64 := common,64 +$(uapi)/unistd_64.h: $(syscall) $(syshdr) + $(call if_changed,syshdr) + +systbl_abis_syscall_table_32 := common,32 +$(kapi)/syscall_table_32.h: $(syscall) $(systbl) + $(call if_changed,systbl) + +systbl_abis_syscall_table_64 := common,64 +$(kapi)/syscall_table_64.h: $(syscall) $(systbl) + $(call if_changed,systbl) + +systbl_abis_syscall_table_c32 := common,32 +systbl_abi_syscall_table_c32 := c32 +$(kapi)/syscall_table_c32.h: $(syscall) $(systbl) + $(call if_changed,systbl) + +uapisyshdr-y += unistd_32.h unistd_64.h +kapisyshdr-y += syscall_table_32.h \ + syscall_table_64.h \ + syscall_table_c32.h + +targets += $(uapisyshdr-y) $(kapisyshdr-y) + +PHONY += all +all: $(addprefix $(uapi)/,$(uapisyshdr-y)) +all: $(addprefix $(kapi)/,$(kapisyshdr-y)) + @: diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl new file mode 100644 index 000000000000..9bbd2f9f56c8 --- /dev/null +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -0,0 +1,369 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# system call numbers and entry vectors for parisc +# +# The format is: +# +# +# The can be common, 64, or 32 for this file. +# +0 common restart_syscall sys_restart_syscall +1 common exit sys_exit +2 common fork sys_fork_wrapper +3 common read sys_read +4 common write sys_write +5 common open sys_open compat_sys_open +6 common close sys_close +7 common waitpid sys_waitpid +8 common creat sys_creat +9 common link sys_link +10 common unlink sys_unlink +11 common execve sys_execve compat_sys_execve +12 common chdir sys_chdir +13 common time sys_time compat_sys_time +14 common mknod sys_mknod +15 common chmod sys_chmod +16 common lchown sys_lchown +17 common socket sys_socket +18 common stat sys_newstat compat_sys_newstat +19 common lseek sys_lseek compat_sys_lseek +20 common getpid sys_getpid +21 common mount sys_mount compat_sys_mount +22 common bind sys_bind +23 common setuid sys_setuid +24 common getuid sys_getuid +25 common stime sys_stime compat_sys_stime +26 common ptrace sys_ptrace compat_sys_ptrace +27 common alarm sys_alarm +28 common fstat sys_newfstat compat_sys_newfstat +29 common pause sys_pause +30 common utime sys_utime compat_sys_utime +31 common connect sys_connect +32 common listen sys_listen +33 common access sys_access +34 common nice sys_nice +35 common accept sys_accept +36 common sync sys_sync +37 common kill sys_kill +38 common rename sys_rename +39 common mkdir sys_mkdir +40 common rmdir sys_rmdir +41 common dup sys_dup +42 common pipe sys_pipe +43 common times sys_times compat_sys_times +44 common getsockname sys_getsockname +45 common brk sys_brk +46 common setgid sys_setgid +47 common getgid sys_getgid +48 common signal sys_signal +49 common geteuid sys_geteuid +50 common getegid sys_getegid +51 common acct sys_acct +52 common umount2 sys_umount +53 common getpeername sys_getpeername +54 common ioctl sys_ioctl compat_sys_ioctl +55 common fcntl sys_fcntl compat_sys_fcntl +56 common socketpair sys_socketpair +57 common setpgid sys_setpgid +58 common send sys_send +59 common uname sys_newuname +60 common umask sys_umask +61 common chroot sys_chroot +62 common ustat sys_ustat compat_sys_ustat +63 common dup2 sys_dup2 +64 common getppid sys_getppid +65 common getpgrp sys_getpgrp +66 common setsid sys_setsid +67 common pivot_root sys_pivot_root +68 common sgetmask sys_sgetmask sys32_unimplemented +69 common ssetmask sys_ssetmask sys32_unimplemented +70 common setreuid sys_setreuid +71 common setregid sys_setregid +72 common mincore sys_mincore +73 common sigpending sys_sigpending compat_sys_sigpending +74 common sethostname sys_sethostname +75 common setrlimit sys_setrlimit compat_sys_setrlimit +76 common getrlimit sys_getrlimit compat_sys_getrlimit +77 common getrusage sys_getrusage compat_sys_getrusage +78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday +79 common settimeofday sys_settimeofday compat_sys_settimeofday +80 common getgroups sys_getgroups +81 common setgroups sys_setgroups +82 common sendto sys_sendto +83 common symlink sys_symlink +84 common lstat sys_newlstat compat_sys_newlstat +85 common readlink sys_readlink +86 common uselib sys_ni_syscall +87 common swapon sys_swapon +88 common reboot sys_reboot +89 common mmap2 sys_mmap2 +90 common mmap sys_mmap +91 common munmap sys_munmap +92 common truncate sys_truncate compat_sys_truncate +93 common ftruncate sys_ftruncate compat_sys_ftruncate +94 common fchmod sys_fchmod +95 common fchown sys_fchown +96 common getpriority sys_getpriority +97 common setpriority sys_setpriority +98 common recv sys_recv +99 common statfs sys_statfs compat_sys_statfs +100 common fstatfs sys_fstatfs compat_sys_fstatfs +101 common stat64 sys_stat64 +# 102 was socketcall +103 common syslog sys_syslog +104 common setitimer sys_setitimer compat_sys_setitimer +105 common getitimer sys_getitimer compat_sys_getitimer +106 common capget sys_capget +107 common capset sys_capset +108 32 pread64 parisc_pread64 +108 64 pread64 sys_pread64 +109 32 pwrite64 parisc_pwrite64 +109 64 pwrite64 sys_pwrite64 +110 common getcwd sys_getcwd +111 common vhangup sys_vhangup +112 common fstat64 sys_fstat64 +113 common vfork sys_vfork_wrapper +114 common wait4 sys_wait4 compat_sys_wait4 +115 common swapoff sys_swapoff +116 common sysinfo sys_sysinfo compat_sys_sysinfo +117 common shutdown sys_shutdown +118 common fsync sys_fsync +119 common madvise sys_madvise +120 common clone sys_clone_wrapper +121 common setdomainname sys_setdomainname +122 common sendfile sys_sendfile compat_sys_sendfile +123 common recvfrom sys_recvfrom +124 common adjtimex sys_adjtimex compat_sys_adjtimex +125 common mprotect sys_mprotect +126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask +# 127 was create_module +128 common init_module sys_init_module +129 common delete_module sys_delete_module +# 130 was get_kernel_syms +131 common quotactl sys_quotactl +132 common getpgid sys_getpgid +133 common fchdir sys_fchdir +134 common bdflush sys_bdflush +135 common sysfs sys_sysfs +136 32 personality parisc_personality +136 64 personality sys_personality +# 137 was afs_syscall +138 common setfsuid sys_setfsuid +139 common setfsgid sys_setfsgid +140 common _llseek sys_llseek +141 common getdents sys_getdents compat_sys_getdents +142 common _newselect sys_select compat_sys_select +143 common flock sys_flock +144 common msync sys_msync +145 common readv sys_readv compat_sys_readv +146 common writev sys_writev compat_sys_writev +147 common getsid sys_getsid +148 common fdatasync sys_fdatasync +149 common _sysctl sys_sysctl compat_sys_sysctl +150 common mlock sys_mlock +151 common munlock sys_munlock +152 common mlockall sys_mlockall +153 common munlockall sys_munlockall +154 common sched_setparam sys_sched_setparam +155 common sched_getparam sys_sched_getparam +156 common sched_setscheduler sys_sched_setscheduler +157 common sched_getscheduler sys_sched_getscheduler +158 common sched_yield sys_sched_yield +159 common sched_get_priority_max sys_sched_get_priority_max +160 common sched_get_priority_min sys_sched_get_priority_min +161 common sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval +162 common nanosleep sys_nanosleep compat_sys_nanosleep +163 common mremap sys_mremap +164 common setresuid sys_setresuid +165 common getresuid sys_getresuid +166 common sigaltstack sys_sigaltstack compat_sys_sigaltstack +# 167 was query_module +168 common poll sys_poll +# 169 was nfsservctl +170 common setresgid sys_setresgid +171 common getresgid sys_getresgid +172 common prctl sys_prctl +173 common rt_sigreturn sys_rt_sigreturn_wrapper +174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction +175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask +176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending +177 common rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait +178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo +179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend +180 common chown sys_chown +181 common setsockopt sys_setsockopt compat_sys_setsockopt +182 common getsockopt sys_getsockopt compat_sys_getsockopt +183 common sendmsg sys_sendmsg compat_sys_sendmsg +184 common recvmsg sys_recvmsg compat_sys_recvmsg +185 common semop sys_semop +186 common semget sys_semget +187 common semctl sys_semctl compat_sys_semctl +188 common msgsnd sys_msgsnd compat_sys_msgsnd +189 common msgrcv sys_msgrcv compat_sys_msgrcv +190 common msgget sys_msgget +191 common msgctl sys_msgctl compat_sys_msgctl +192 common shmat sys_shmat compat_sys_shmat +193 common shmdt sys_shmdt +194 common shmget sys_shmget +195 common shmctl sys_shmctl compat_sys_shmctl +# 196 was getpmsg +# 197 was putpmsg +198 common lstat64 sys_lstat64 +199 32 truncate64 parisc_truncate64 +199 64 truncate64 sys_truncate64 +200 32 ftruncate64 parisc_ftruncate64 +200 64 ftruncate64 sys_ftruncate64 +201 common getdents64 sys_getdents64 +202 common fcntl64 sys_fcntl64 compat_sys_fcntl64 +# 203 was attrctl +# 204 was acl_get +# 205 was acl_set +206 common gettid sys_gettid +207 32 readahead parisc_readahead +207 64 readahead sys_readahead +208 common tkill sys_tkill +209 common sendfile64 sys_sendfile64 compat_sys_sendfile64 +210 common futex sys_futex compat_sys_futex +211 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity +212 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity +# 213 was set_thread_area +# 214 was get_thread_area +215 common io_setup sys_io_setup compat_sys_io_setup +216 common io_destroy sys_io_destroy +217 common io_getevents sys_io_getevents compat_sys_io_getevents +218 common io_submit sys_io_submit compat_sys_io_submit +219 common io_cancel sys_io_cancel +# 220 was alloc_hugepages +# 221 was free_hugepages +222 common exit_group sys_exit_group +223 common lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie +224 common epoll_create sys_epoll_create +225 common epoll_ctl sys_epoll_ctl +226 common epoll_wait sys_epoll_wait +227 common remap_file_pages sys_remap_file_pages +228 common semtimedop sys_semtimedop compat_sys_semtimedop +229 common mq_open sys_mq_open compat_sys_mq_open +230 common mq_unlink sys_mq_unlink +231 common mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend +232 common mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive +233 common mq_notify sys_mq_notify compat_sys_mq_notify +234 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr +235 common waitid sys_waitid compat_sys_waitid +236 32 fadvise64_64 parisc_fadvise64_64 +236 64 fadvise64_64 sys_fadvise64_64 +237 common set_tid_address sys_set_tid_address +238 common setxattr sys_setxattr +239 common lsetxattr sys_lsetxattr +240 common fsetxattr sys_fsetxattr +241 common getxattr sys_getxattr +242 common lgetxattr sys_lgetxattr +243 common fgetxattr sys_fgetxattr +244 common listxattr sys_listxattr +245 common llistxattr sys_llistxattr +246 common flistxattr sys_flistxattr +247 common removexattr sys_removexattr +248 common lremovexattr sys_lremovexattr +249 common fremovexattr sys_fremovexattr +250 common timer_create sys_timer_create compat_sys_timer_create +251 common timer_settime sys_timer_settime compat_sys_timer_settime +252 common timer_gettime sys_timer_gettime compat_sys_timer_gettime +253 common timer_getoverrun sys_timer_getoverrun +254 common timer_delete sys_timer_delete +255 common clock_settime sys_clock_settime compat_sys_clock_settime +256 common clock_gettime sys_clock_gettime compat_sys_clock_gettime +257 common clock_getres sys_clock_getres compat_sys_clock_getres +258 common clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep +259 common tgkill sys_tgkill +260 common mbind sys_mbind compat_sys_mbind +261 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy +262 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +# 263 was vserver +264 common add_key sys_add_key +265 common request_key sys_request_key +266 common keyctl sys_keyctl compat_sys_keyctl +267 common ioprio_set sys_ioprio_set +268 common ioprio_get sys_ioprio_get +269 common inotify_init sys_inotify_init +270 common inotify_add_watch sys_inotify_add_watch +271 common inotify_rm_watch sys_inotify_rm_watch +272 common migrate_pages sys_migrate_pages +273 common pselect6 sys_pselect6 compat_sys_pselect6 +274 common ppoll sys_ppoll compat_sys_ppoll +275 common openat sys_openat compat_sys_openat +276 common mkdirat sys_mkdirat +277 common mknodat sys_mknodat +278 common fchownat sys_fchownat +279 common futimesat sys_futimesat compat_sys_futimesat +280 common fstatat64 sys_fstatat64 +281 common unlinkat sys_unlinkat +282 common renameat sys_renameat +283 common linkat sys_linkat +284 common symlinkat sys_symlinkat +285 common readlinkat sys_readlinkat +286 common fchmodat sys_fchmodat +287 common faccessat sys_faccessat +288 common unshare sys_unshare +289 common set_robust_list sys_set_robust_list compat_sys_set_robust_list +290 common get_robust_list sys_get_robust_list compat_sys_get_robust_list +291 common splice sys_splice +292 32 sync_file_range parisc_sync_file_range +292 64 sync_file_range sys_sync_file_range +293 common tee sys_tee +294 common vmsplice sys_vmsplice compat_sys_vmsplice +295 common move_pages sys_move_pages compat_sys_move_pages +296 common getcpu sys_getcpu +297 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait +298 common statfs64 sys_statfs64 compat_sys_statfs64 +299 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 +300 common kexec_load sys_kexec_load compat_sys_kexec_load +301 common utimensat sys_utimensat compat_sys_utimensat +302 common signalfd sys_signalfd compat_sys_signalfd +# 303 was timerfd +304 common eventfd sys_eventfd +305 32 fallocate parisc_fallocate +305 64 fallocate sys_fallocate +306 common timerfd_create sys_timerfd_create +307 common timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime +308 common timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime +309 common signalfd4 sys_signalfd4 compat_sys_signalfd4 +310 common eventfd2 sys_eventfd2 +311 common epoll_create1 sys_epoll_create1 +312 common dup3 sys_dup3 +313 common pipe2 sys_pipe2 +314 common inotify_init1 sys_inotify_init1 +315 common preadv sys_preadv compat_sys_preadv +316 common pwritev sys_pwritev compat_sys_pwritev +317 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +318 common perf_event_open sys_perf_event_open +319 common recvmmsg sys_recvmmsg compat_sys_recvmmsg +320 common accept4 sys_accept4 +321 common prlimit64 sys_prlimit64 +322 common fanotify_init sys_fanotify_init +323 common fanotify_mark sys_fanotify_mark sys32_fanotify_mark +324 common clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime +325 common name_to_handle_at sys_name_to_handle_at +326 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at +327 common syncfs sys_syncfs +328 common setns sys_setns +329 common sendmmsg sys_sendmmsg compat_sys_sendmmsg +330 common process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv +331 common process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev +332 common kcmp sys_kcmp +333 common finit_module sys_finit_module +334 common sched_setattr sys_sched_setattr +335 common sched_getattr sys_sched_getattr +336 common utimes sys_utimes compat_sys_utimes +337 common renameat2 sys_renameat2 +338 common seccomp sys_seccomp +339 common getrandom sys_getrandom +340 common memfd_create sys_memfd_create +341 common bpf sys_bpf +342 common execveat sys_execveat compat_sys_execveat +343 common membarrier sys_membarrier +344 common userfaultfd sys_userfaultfd +345 common mlock2 sys_mlock2 +346 common copy_file_range sys_copy_file_range +347 common preadv2 sys_preadv2 compat_sys_preadv2 +348 common pwritev2 sys_pwritev2 compat_sys_pwritev2 +349 common statx sys_statx +350 common io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents diff --git a/arch/parisc/kernel/syscalls/syscallhdr.sh b/arch/parisc/kernel/syscalls/syscallhdr.sh new file mode 100644 index 000000000000..50242b747d7c --- /dev/null +++ b/arch/parisc/kernel/syscalls/syscallhdr.sh @@ -0,0 +1,36 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +in="$1" +out="$2" +my_abis=`echo "($3)" | tr ',' '|'` +prefix="$4" +offset="$5" + +fileguard=_UAPI_ASM_PARISC_`basename "$out" | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ + -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` +grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( + printf "#ifndef %s\n" "${fileguard}" + printf "#define %s\n" "${fileguard}" + printf "\n" + + nxt=0 + while read nr abi name entry compat ; do + if [ -z "$offset" ]; then + printf "#define __NR_%s%s\t%s\n" \ + "${prefix}" "${name}" "${nr}" + else + printf "#define __NR_%s%s\t(%s + %s)\n" \ + "${prefix}" "${name}" "${offset}" "${nr}" + fi + nxt=$((nr+1)) + done + + printf "\n" + printf "#ifdef __KERNEL__\n" + printf "#define __NR_syscalls\t%s\n" "${nxt}" + printf "#endif\n" + printf "\n" + printf "#endif /* %s */" "${fileguard}" +) > "$out" diff --git a/arch/parisc/kernel/syscalls/syscalltbl.sh b/arch/parisc/kernel/syscalls/syscalltbl.sh new file mode 100644 index 000000000000..45b5bae26240 --- /dev/null +++ b/arch/parisc/kernel/syscalls/syscalltbl.sh @@ -0,0 +1,36 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +in="$1" +out="$2" +my_abis=`echo "($3)" | tr ',' '|'` +my_abi="$4" +offset="$5" + +emit() { + t_nxt="$1" + t_nr="$2" + t_entry="$3" + + while [ $t_nxt -lt $t_nr ]; do + printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}" + t_nxt=$((t_nxt+1)) + done + printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}" +} + +grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( + nxt=0 + if [ -z "$offset" ]; then + offset=0 + fi + + while read nr abi name entry compat ; do + if [ "$my_abi" = "c32" ] && [ ! -z "$compat" ]; then + emit $((nxt+offset)) $((nr+offset)) $compat + else + emit $((nxt+offset)) $((nr+offset)) $entry + fi + nxt=$((nr+1)) + done +) > "$out" -- cgit v1.2.3-59-g8ed1b From 575afc4d7f6040d7227dfcdd29cf0538fe644359 Mon Sep 17 00:00:00 2001 From: Firoz Khan Date: Mon, 19 Nov 2018 12:04:36 +0530 Subject: parisc: generate uapi header and system call table files System call table generation script must be run to gener- ate unistd_32/64.h and syscall_table_32/64/c32.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32/64.h and syscall_table- _32/64/c32.h files by the syscall table generation script invoked by parisc/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscall.S file. Signed-off-by: Firoz Khan Acked-by: Helge Deller Signed-off-by: Helge Deller --- arch/parisc/Makefile | 3 + arch/parisc/include/asm/Kbuild | 3 + arch/parisc/include/uapi/asm/Kbuild | 2 + arch/parisc/include/uapi/asm/unistd.h | 369 +-------------------------- arch/parisc/kernel/syscall.S | 11 +- arch/parisc/kernel/syscall_table.S | 459 ---------------------------------- 6 files changed, 20 insertions(+), 827 deletions(-) delete mode 100644 arch/parisc/kernel/syscall_table.S (limited to 'arch/parisc/kernel') diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 1085385e1f06..c19af26febe6 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -163,3 +163,6 @@ define archhelp @echo ' copy to $$(INSTALL_PATH)' @echo ' zinstall - Install compressed vmlinuz kernel' endef + +archheaders: + $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 2013d639e735..0b1e354c8c24 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -1,3 +1,6 @@ +generated-y += syscall_table_32.h +generated-y += syscall_table_64.h +generated-y += syscall_table_c32.h generic-y += barrier.h generic-y += current.h generic-y += device.h diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild index adb5c64831c7..d31b4261cafc 100644 --- a/arch/parisc/include/uapi/asm/Kbuild +++ b/arch/parisc/include/uapi/asm/Kbuild @@ -1,6 +1,8 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +generated-y += unistd_32.h +generated-y += unistd_64.h generic-y += auxvec.h generic-y += bpf_perf_event.h generic-y += kvm_para.h diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 63e9aae72792..98dc953656af 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -2,371 +2,10 @@ #ifndef _UAPI_ASM_PARISC_UNISTD_H_ #define _UAPI_ASM_PARISC_UNISTD_H_ -/* - * Linux system call numbers. - * - * Cary Coutant says that we should just use another syscall gateway - * page to avoid clashing with the HPUX space, and I think he's right: - * it will would keep a branch out of our syscall entry path, at the - * very least. If we decide to change it later, we can ``just'' tweak - * the LINUX_GATEWAY_ADDR define at the bottom and make __NR_Linux be - * 1024 or something. Oh, and recompile libc. =) - */ - -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_socket 17 -#define __NR_stat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_bind 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_fstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_connect 31 -#define __NR_listen 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_accept 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_getsockname 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_getpeername 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_socketpair 56 -#define __NR_setpgid 57 -#define __NR_send 58 -#define __NR_uname 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_pivot_root 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_mincore 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_sendto 82 -#define __NR_symlink 83 -#define __NR_lstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_mmap2 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_recv 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_stat64 101 -/* #define __NR_socketcall 102 */ -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_capget 106 -#define __NR_capset 107 -#define __NR_pread64 108 -#define __NR_pwrite64 109 -#define __NR_getcwd 110 -#define __NR_vhangup 111 -#define __NR_fstat64 112 -#define __NR_vfork 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_shutdown 117 -#define __NR_fsync 118 -#define __NR_madvise 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_sendfile 122 -#define __NR_recvfrom 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 /* not used */ -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 /* not used */ -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* not used */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_sigaltstack 166 -#define __NR_query_module 167 /* not used */ -#define __NR_poll 168 -#define __NR_nfsservctl 169 /* not used */ -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_chown 180 -#define __NR_setsockopt 181 -#define __NR_getsockopt 182 -#define __NR_sendmsg 183 -#define __NR_recvmsg 184 -#define __NR_semop 185 -#define __NR_semget 186 -#define __NR_semctl 187 -#define __NR_msgsnd 188 -#define __NR_msgrcv 189 -#define __NR_msgget 190 -#define __NR_msgctl 191 -#define __NR_shmat 192 -#define __NR_shmdt 193 -#define __NR_shmget 194 -#define __NR_shmctl 195 -#define __NR_getpmsg 196 /* not used */ -#define __NR_putpmsg 197 /* not used */ -#define __NR_lstat64 198 -#define __NR_truncate64 199 -#define __NR_ftruncate64 200 -#define __NR_getdents64 201 -#define __NR_fcntl64 202 -#define __NR_attrctl 203 /* not used */ -#define __NR_acl_get 204 /* not used */ -#define __NR_acl_set 205 /* not used */ -#define __NR_gettid 206 -#define __NR_readahead 207 -#define __NR_tkill 208 -#define __NR_sendfile64 209 -#define __NR_futex 210 -#define __NR_sched_setaffinity 211 -#define __NR_sched_getaffinity 212 -#define __NR_set_thread_area 213 /* not used */ -#define __NR_get_thread_area 214 /* not used */ -#define __NR_io_setup 215 -#define __NR_io_destroy 216 -#define __NR_io_getevents 217 -#define __NR_io_submit 218 -#define __NR_io_cancel 219 -#define __NR_alloc_hugepages 220 /* not used */ -#define __NR_free_hugepages 221 /* not used */ -#define __NR_exit_group 222 -#define __NR_lookup_dcookie 223 -#define __NR_epoll_create 224 -#define __NR_epoll_ctl 225 -#define __NR_epoll_wait 226 -#define __NR_remap_file_pages 227 -#define __NR_semtimedop 228 -#define __NR_mq_open 229 -#define __NR_mq_unlink 230 -#define __NR_mq_timedsend 231 -#define __NR_mq_timedreceive 232 -#define __NR_mq_notify 233 -#define __NR_mq_getsetattr 234 -#define __NR_waitid 235 -#define __NR_fadvise64_64 236 -#define __NR_set_tid_address 237 -#define __NR_setxattr 238 -#define __NR_lsetxattr 239 -#define __NR_fsetxattr 240 -#define __NR_getxattr 241 -#define __NR_lgetxattr 242 -#define __NR_fgetxattr 243 -#define __NR_listxattr 244 -#define __NR_llistxattr 245 -#define __NR_flistxattr 246 -#define __NR_removexattr 247 -#define __NR_lremovexattr 248 -#define __NR_fremovexattr 249 -#define __NR_timer_create 250 -#define __NR_timer_settime 251 -#define __NR_timer_gettime 252 -#define __NR_timer_getoverrun 253 -#define __NR_timer_delete 254 -#define __NR_clock_settime 255 -#define __NR_clock_gettime 256 -#define __NR_clock_getres 257 -#define __NR_clock_nanosleep 258 -#define __NR_tgkill 259 -#define __NR_mbind 260 -#define __NR_get_mempolicy 261 -#define __NR_set_mempolicy 262 -#define __NR_vserver 263 /* not used */ -#define __NR_add_key 264 -#define __NR_request_key 265 -#define __NR_keyctl 266 -#define __NR_ioprio_set 267 -#define __NR_ioprio_get 268 -#define __NR_inotify_init 269 -#define __NR_inotify_add_watch 270 -#define __NR_inotify_rm_watch 271 -#define __NR_migrate_pages 272 -#define __NR_pselect6 273 -#define __NR_ppoll 274 -#define __NR_openat 275 -#define __NR_mkdirat 276 -#define __NR_mknodat 277 -#define __NR_fchownat 278 -#define __NR_futimesat 279 -#define __NR_fstatat64 280 -#define __NR_unlinkat 281 -#define __NR_renameat 282 -#define __NR_linkat 283 -#define __NR_symlinkat 284 -#define __NR_readlinkat 285 -#define __NR_fchmodat 286 -#define __NR_faccessat 287 -#define __NR_unshare 288 -#define __NR_set_robust_list 289 -#define __NR_get_robust_list 290 -#define __NR_splice 291 -#define __NR_sync_file_range 292 -#define __NR_tee 293 -#define __NR_vmsplice 294 -#define __NR_move_pages 295 -#define __NR_getcpu 296 -#define __NR_epoll_pwait 297 -#define __NR_statfs64 298 -#define __NR_fstatfs64 299 -#define __NR_kexec_load 300 -#define __NR_utimensat 301 -#define __NR_signalfd 302 -#define __NR_timerfd 303 /* not used */ -#define __NR_eventfd 304 -#define __NR_fallocate 305 -#define __NR_timerfd_create 306 -#define __NR_timerfd_settime 307 -#define __NR_timerfd_gettime 308 -#define __NR_signalfd4 309 -#define __NR_eventfd2 310 -#define __NR_epoll_create1 311 -#define __NR_dup3 312 -#define __NR_pipe2 313 -#define __NR_inotify_init1 314 -#define __NR_preadv 315 -#define __NR_pwritev 316 -#define __NR_rt_tgsigqueueinfo 317 -#define __NR_perf_event_open 318 -#define __NR_recvmmsg 319 -#define __NR_accept4 320 -#define __NR_prlimit64 321 -#define __NR_fanotify_init 322 -#define __NR_fanotify_mark 323 -#define __NR_clock_adjtime 324 -#define __NR_name_to_handle_at 325 -#define __NR_open_by_handle_at 326 -#define __NR_syncfs 327 -#define __NR_setns 328 -#define __NR_sendmmsg 329 -#define __NR_process_vm_readv 330 -#define __NR_process_vm_writev 331 -#define __NR_kcmp 332 -#define __NR_finit_module 333 -#define __NR_sched_setattr 334 -#define __NR_sched_getattr 335 -#define __NR_utimes 336 -#define __NR_renameat2 337 -#define __NR_seccomp 338 -#define __NR_getrandom 339 -#define __NR_memfd_create 340 -#define __NR_bpf 341 -#define __NR_execveat 342 -#define __NR_membarrier 343 -#define __NR_userfaultfd 344 -#define __NR_mlock2 345 -#define __NR_copy_file_range 346 -#define __NR_preadv2 347 -#define __NR_pwritev2 348 -#define __NR_statx 349 -#define __NR_io_pgetevents 350 - -#ifdef __KERNEL__ -#define __NR_syscalls 351 +#ifdef __LP64__ +#include +#else +#include #endif #define LINUX_GATEWAY_ADDR 0x100 diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index a9bc90dc4ae7..4f77bd9be66b 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -923,19 +923,24 @@ ENTRY(lws_table) END(lws_table) /* End of lws table */ +#define __SYSCALL(nr, entry, nargs) ASM_ULONG_INSN entry .align 8 ENTRY(sys_call_table) .export sys_call_table,data -#include "syscall_table.S" +#ifdef CONFIG_64BIT +#include /* Compat syscalls */ +#else +#include /* 32-bit native syscalls */ +#endif END(sys_call_table) #ifdef CONFIG_64BIT .align 8 ENTRY(sys_call_table64) -#define SYSCALL_TABLE_64BIT -#include "syscall_table.S" +#include /* 64-bit native syscalls */ END(sys_call_table64) #endif +#undef __SYSCALL /* All light-weight-syscall atomic operations diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S deleted file mode 100644 index fe3f2a49d2b1..000000000000 --- a/arch/parisc/kernel/syscall_table.S +++ /dev/null @@ -1,459 +0,0 @@ -/* System Call Table - * - * Copyright (C) 1999-2004 Matthew Wilcox - * Copyright (C) 2000-2001 John Marvin - * Copyright (C) 2000 Alan Modra - * Copyright (C) 2000-2003 Paul Bame - * Copyright (C) 2000 Philipp Rumpf - * Copyright (C) 2000 Michael Ang - * Copyright (C) 2000 David Huggins-Daines - * Copyright (C) 2000 Grant Grundler - * Copyright (C) 2001 Richard Hirst - * Copyright (C) 2001-2002 Ryan Bradetich - * Copyright (C) 2001-2007 Helge Deller - * Copyright (C) 2000-2001 Thomas Bogendoerfer - * Copyright (C) 2002 Randolph Chung - * Copyright (C) 2005-2006 Kyle McMartin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#if defined(CONFIG_64BIT) && !defined(SYSCALL_TABLE_64BIT) -/* Use ENTRY_SAME for 32-bit syscalls which are the same on wide and - * narrow palinux. Use ENTRY_DIFF for those where a 32-bit specific - * implementation is required on wide palinux. Use ENTRY_COMP where - * the compatibility layer has a useful 32-bit implementation. - */ -#define ENTRY_SAME(_name_) .dword sys_##_name_ -#define ENTRY_DIFF(_name_) .dword sys32_##_name_ -#define ENTRY_UHOH(_name_) .dword sys32_##unimplemented -#define ENTRY_OURS(_name_) .dword parisc_##_name_ -#define ENTRY_COMP(_name_) .dword compat_sys_##_name_ -#elif defined(CONFIG_64BIT) && defined(SYSCALL_TABLE_64BIT) -#define ENTRY_SAME(_name_) .dword sys_##_name_ -#define ENTRY_DIFF(_name_) .dword sys_##_name_ -#define ENTRY_UHOH(_name_) .dword sys_##_name_ -#define ENTRY_OURS(_name_) .dword sys_##_name_ -#define ENTRY_COMP(_name_) .dword sys_##_name_ -#else -#define ENTRY_SAME(_name_) .word sys_##_name_ -#define ENTRY_DIFF(_name_) .word sys_##_name_ -#define ENTRY_UHOH(_name_) .word sys_##_name_ -#define ENTRY_OURS(_name_) .word parisc_##_name_ -#define ENTRY_COMP(_name_) .word sys_##_name_ -#endif - -90: ENTRY_SAME(restart_syscall) /* 0 */ -91: ENTRY_SAME(exit) - ENTRY_SAME(fork_wrapper) - ENTRY_SAME(read) - ENTRY_SAME(write) - ENTRY_COMP(open) /* 5 */ - ENTRY_SAME(close) - ENTRY_SAME(waitpid) - ENTRY_SAME(creat) - ENTRY_SAME(link) - ENTRY_SAME(unlink) /* 10 */ - ENTRY_COMP(execve) - ENTRY_SAME(chdir) - /* See comments in kernel/time.c!!! Maybe we don't need this? */ - ENTRY_COMP(time) - ENTRY_SAME(mknod) - ENTRY_SAME(chmod) /* 15 */ - ENTRY_SAME(lchown) - ENTRY_SAME(socket) - /* struct stat is MAYBE identical wide and narrow ?? */ - ENTRY_COMP(newstat) - ENTRY_COMP(lseek) - ENTRY_SAME(getpid) /* 20 */ - /* the 'void * data' parameter may need re-packing in wide */ - ENTRY_COMP(mount) - /* concerned about struct sockaddr in wide/narrow */ - /* ---> I think sockaddr is OK unless the compiler packs the struct */ - /* differently to align the char array */ - ENTRY_SAME(bind) - ENTRY_SAME(setuid) - ENTRY_SAME(getuid) - ENTRY_COMP(stime) /* 25 */ - ENTRY_COMP(ptrace) - ENTRY_SAME(alarm) - /* see stat comment */ - ENTRY_COMP(newfstat) - ENTRY_SAME(pause) - /* struct utimbuf uses time_t which might vary */ - ENTRY_COMP(utime) /* 30 */ - /* struct sockaddr... */ - ENTRY_SAME(connect) - ENTRY_SAME(listen) - ENTRY_SAME(access) - ENTRY_SAME(nice) - /* struct sockaddr... */ - ENTRY_SAME(accept) /* 35 */ - ENTRY_SAME(sync) - ENTRY_SAME(kill) - ENTRY_SAME(rename) - ENTRY_SAME(mkdir) - ENTRY_SAME(rmdir) /* 40 */ - ENTRY_SAME(dup) - ENTRY_SAME(pipe) - ENTRY_COMP(times) - /* struct sockaddr... */ - ENTRY_SAME(getsockname) - /* it seems possible brk() could return a >4G pointer... */ - ENTRY_SAME(brk) /* 45 */ - ENTRY_SAME(setgid) - ENTRY_SAME(getgid) - ENTRY_SAME(signal) - ENTRY_SAME(geteuid) - ENTRY_SAME(getegid) /* 50 */ - ENTRY_SAME(acct) - ENTRY_SAME(umount) - /* struct sockaddr... */ - ENTRY_SAME(getpeername) - ENTRY_COMP(ioctl) - ENTRY_COMP(fcntl) /* 55 */ - ENTRY_SAME(socketpair) - ENTRY_SAME(setpgid) - ENTRY_SAME(send) - ENTRY_SAME(newuname) - ENTRY_SAME(umask) /* 60 */ - ENTRY_SAME(chroot) - ENTRY_COMP(ustat) - ENTRY_SAME(dup2) - ENTRY_SAME(getppid) - ENTRY_SAME(getpgrp) /* 65 */ - ENTRY_SAME(setsid) - ENTRY_SAME(pivot_root) - /* I don't like this */ - ENTRY_UHOH(sgetmask) - ENTRY_UHOH(ssetmask) - ENTRY_SAME(setreuid) /* 70 */ - ENTRY_SAME(setregid) - ENTRY_SAME(mincore) - ENTRY_COMP(sigpending) - ENTRY_SAME(sethostname) - /* Following 3 have linux-common-code structs containing longs -( */ - ENTRY_COMP(setrlimit) /* 75 */ - ENTRY_COMP(getrlimit) - ENTRY_COMP(getrusage) - /* struct timeval and timezone are maybe?? consistent wide and narrow */ - ENTRY_COMP(gettimeofday) - ENTRY_COMP(settimeofday) - ENTRY_SAME(getgroups) /* 80 */ - ENTRY_SAME(setgroups) - /* struct socketaddr... */ - ENTRY_SAME(sendto) - ENTRY_SAME(symlink) - /* see stat comment */ - ENTRY_COMP(newlstat) - ENTRY_SAME(readlink) /* 85 */ - ENTRY_SAME(ni_syscall) /* was uselib */ - ENTRY_SAME(swapon) - ENTRY_SAME(reboot) - ENTRY_SAME(mmap2) - ENTRY_SAME(mmap) /* 90 */ - ENTRY_SAME(munmap) - ENTRY_COMP(truncate) - ENTRY_COMP(ftruncate) - ENTRY_SAME(fchmod) - ENTRY_SAME(fchown) /* 95 */ - ENTRY_SAME(getpriority) - ENTRY_SAME(setpriority) - ENTRY_SAME(recv) - ENTRY_COMP(statfs) - ENTRY_COMP(fstatfs) /* 100 */ - ENTRY_SAME(stat64) - ENTRY_SAME(ni_syscall) /* was socketcall */ - ENTRY_SAME(syslog) - /* even though manpage says struct timeval contains longs, ours has - * time_t and suseconds_t -- both of which are safe wide/narrow */ - ENTRY_COMP(setitimer) - ENTRY_COMP(getitimer) /* 105 */ - ENTRY_SAME(capget) - ENTRY_SAME(capset) - ENTRY_OURS(pread64) - ENTRY_OURS(pwrite64) - ENTRY_SAME(getcwd) /* 110 */ - ENTRY_SAME(vhangup) - ENTRY_SAME(fstat64) - ENTRY_SAME(vfork_wrapper) - /* struct rusage contains longs... */ - ENTRY_COMP(wait4) - ENTRY_SAME(swapoff) /* 115 */ - ENTRY_COMP(sysinfo) - ENTRY_SAME(shutdown) - ENTRY_SAME(fsync) - ENTRY_SAME(madvise) - ENTRY_SAME(clone_wrapper) /* 120 */ - ENTRY_SAME(setdomainname) - ENTRY_COMP(sendfile) - /* struct sockaddr... */ - ENTRY_SAME(recvfrom) - /* struct timex contains longs */ - ENTRY_COMP(adjtimex) - ENTRY_SAME(mprotect) /* 125 */ - /* old_sigset_t forced to 32 bits. Beware glibc sigset_t */ - ENTRY_COMP(sigprocmask) - ENTRY_SAME(ni_syscall) /* create_module */ - ENTRY_SAME(init_module) - ENTRY_SAME(delete_module) - ENTRY_SAME(ni_syscall) /* 130: get_kernel_syms */ - /* time_t inside struct dqblk */ - ENTRY_SAME(quotactl) - ENTRY_SAME(getpgid) - ENTRY_SAME(fchdir) - ENTRY_SAME(bdflush) - ENTRY_SAME(sysfs) /* 135 */ - ENTRY_OURS(personality) - ENTRY_SAME(ni_syscall) /* for afs_syscall */ - ENTRY_SAME(setfsuid) - ENTRY_SAME(setfsgid) - /* I think this might work */ - ENTRY_SAME(llseek) /* 140 */ - ENTRY_COMP(getdents) - /* it is POSSIBLE that select will be OK because even though fd_set - * contains longs, the macros and sizes are clever. */ - ENTRY_COMP(select) - ENTRY_SAME(flock) - ENTRY_SAME(msync) - /* struct iovec contains pointers */ - ENTRY_COMP(readv) /* 145 */ - ENTRY_COMP(writev) - ENTRY_SAME(getsid) - ENTRY_SAME(fdatasync) - /* struct __sysctl_args is a mess */ - ENTRY_COMP(sysctl) - ENTRY_SAME(mlock) /* 150 */ - ENTRY_SAME(munlock) - ENTRY_SAME(mlockall) - ENTRY_SAME(munlockall) - /* struct sched_param is ok for now */ - ENTRY_SAME(sched_setparam) - ENTRY_SAME(sched_getparam) /* 155 */ - ENTRY_SAME(sched_setscheduler) - ENTRY_SAME(sched_getscheduler) - ENTRY_SAME(sched_yield) - ENTRY_SAME(sched_get_priority_max) - ENTRY_SAME(sched_get_priority_min) /* 160 */ - ENTRY_COMP(sched_rr_get_interval) - ENTRY_COMP(nanosleep) - ENTRY_SAME(mremap) - ENTRY_SAME(setresuid) - ENTRY_SAME(getresuid) /* 165 */ - ENTRY_COMP(sigaltstack) - ENTRY_SAME(ni_syscall) /* query_module */ - ENTRY_SAME(poll) - /* structs contain pointers and an in_addr... */ - ENTRY_SAME(ni_syscall) /* was nfsservctl */ - ENTRY_SAME(setresgid) /* 170 */ - ENTRY_SAME(getresgid) - ENTRY_SAME(prctl) - /* signals need a careful review */ - ENTRY_SAME(rt_sigreturn_wrapper) - ENTRY_COMP(rt_sigaction) - ENTRY_COMP(rt_sigprocmask) /* 175 */ - ENTRY_COMP(rt_sigpending) - ENTRY_COMP(rt_sigtimedwait) - /* even though the struct siginfo_t is different, it appears like - * all the paths use values which should be same wide and narrow. - * Also the struct is padded to 128 bytes which means we don't have - * to worry about faulting trying to copy in a larger 64-bit - * struct from a 32-bit user-space app. - */ - ENTRY_COMP(rt_sigqueueinfo) - ENTRY_COMP(rt_sigsuspend) - ENTRY_SAME(chown) /* 180 */ - /* setsockopt() used by iptables: SO_SET_REPLACE/SO_SET_ADD_COUNTERS */ - ENTRY_COMP(setsockopt) - ENTRY_COMP(getsockopt) - ENTRY_COMP(sendmsg) - ENTRY_COMP(recvmsg) - ENTRY_SAME(semop) /* 185 */ - ENTRY_SAME(semget) - ENTRY_COMP(semctl) - ENTRY_COMP(msgsnd) - ENTRY_COMP(msgrcv) - ENTRY_SAME(msgget) /* 190 */ - ENTRY_COMP(msgctl) - ENTRY_COMP(shmat) - ENTRY_SAME(shmdt) - ENTRY_SAME(shmget) - ENTRY_COMP(shmctl) /* 195 */ - ENTRY_SAME(ni_syscall) /* streams1 */ - ENTRY_SAME(ni_syscall) /* streams2 */ - ENTRY_SAME(lstat64) - ENTRY_OURS(truncate64) - ENTRY_OURS(ftruncate64) /* 200 */ - ENTRY_SAME(getdents64) - ENTRY_COMP(fcntl64) - ENTRY_SAME(ni_syscall) /* attrctl -- dead */ - ENTRY_SAME(ni_syscall) /* acl_get -- dead */ - ENTRY_SAME(ni_syscall) /* 205 (acl_set -- dead) */ - ENTRY_SAME(gettid) - ENTRY_OURS(readahead) - ENTRY_SAME(tkill) - ENTRY_COMP(sendfile64) - ENTRY_COMP(futex) /* 210 */ - ENTRY_COMP(sched_setaffinity) - ENTRY_COMP(sched_getaffinity) - ENTRY_SAME(ni_syscall) /* set_thread_area */ - ENTRY_SAME(ni_syscall) /* get_thread_area */ - ENTRY_COMP(io_setup) /* 215 */ - ENTRY_SAME(io_destroy) - ENTRY_COMP(io_getevents) - ENTRY_COMP(io_submit) - ENTRY_SAME(io_cancel) - ENTRY_SAME(ni_syscall) /* 220: was alloc_hugepages */ - ENTRY_SAME(ni_syscall) /* was free_hugepages */ - ENTRY_SAME(exit_group) - ENTRY_COMP(lookup_dcookie) - ENTRY_SAME(epoll_create) - ENTRY_SAME(epoll_ctl) /* 225 */ - ENTRY_SAME(epoll_wait) - ENTRY_SAME(remap_file_pages) - ENTRY_COMP(semtimedop) - ENTRY_COMP(mq_open) - ENTRY_SAME(mq_unlink) /* 230 */ - ENTRY_COMP(mq_timedsend) - ENTRY_COMP(mq_timedreceive) - ENTRY_COMP(mq_notify) - ENTRY_COMP(mq_getsetattr) - ENTRY_COMP(waitid) /* 235 */ - ENTRY_OURS(fadvise64_64) - ENTRY_SAME(set_tid_address) - ENTRY_SAME(setxattr) - ENTRY_SAME(lsetxattr) - ENTRY_SAME(fsetxattr) /* 240 */ - ENTRY_SAME(getxattr) - ENTRY_SAME(lgetxattr) - ENTRY_SAME(fgetxattr) - ENTRY_SAME(listxattr) - ENTRY_SAME(llistxattr) /* 245 */ - ENTRY_SAME(flistxattr) - ENTRY_SAME(removexattr) - ENTRY_SAME(lremovexattr) - ENTRY_SAME(fremovexattr) - ENTRY_COMP(timer_create) /* 250 */ - ENTRY_COMP(timer_settime) - ENTRY_COMP(timer_gettime) - ENTRY_SAME(timer_getoverrun) - ENTRY_SAME(timer_delete) - ENTRY_COMP(clock_settime) /* 255 */ - ENTRY_COMP(clock_gettime) - ENTRY_COMP(clock_getres) - ENTRY_COMP(clock_nanosleep) - ENTRY_SAME(tgkill) - ENTRY_COMP(mbind) /* 260 */ - ENTRY_COMP(get_mempolicy) - ENTRY_COMP(set_mempolicy) - ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */ - ENTRY_SAME(add_key) - ENTRY_SAME(request_key) /* 265 */ - ENTRY_COMP(keyctl) - ENTRY_SAME(ioprio_set) - ENTRY_SAME(ioprio_get) - ENTRY_SAME(inotify_init) - ENTRY_SAME(inotify_add_watch) /* 270 */ - ENTRY_SAME(inotify_rm_watch) - ENTRY_SAME(migrate_pages) - ENTRY_COMP(pselect6) - ENTRY_COMP(ppoll) - ENTRY_COMP(openat) /* 275 */ - ENTRY_SAME(mkdirat) - ENTRY_SAME(mknodat) - ENTRY_SAME(fchownat) - ENTRY_COMP(futimesat) - ENTRY_SAME(fstatat64) /* 280 */ - ENTRY_SAME(unlinkat) - ENTRY_SAME(renameat) - ENTRY_SAME(linkat) - ENTRY_SAME(symlinkat) - ENTRY_SAME(readlinkat) /* 285 */ - ENTRY_SAME(fchmodat) - ENTRY_SAME(faccessat) - ENTRY_SAME(unshare) - ENTRY_COMP(set_robust_list) - ENTRY_COMP(get_robust_list) /* 290 */ - ENTRY_SAME(splice) - ENTRY_OURS(sync_file_range) - ENTRY_SAME(tee) - ENTRY_COMP(vmsplice) - ENTRY_COMP(move_pages) /* 295 */ - ENTRY_SAME(getcpu) - ENTRY_COMP(epoll_pwait) - ENTRY_COMP(statfs64) - ENTRY_COMP(fstatfs64) - ENTRY_COMP(kexec_load) /* 300 */ - ENTRY_COMP(utimensat) - ENTRY_COMP(signalfd) - ENTRY_SAME(ni_syscall) /* was timerfd */ - ENTRY_SAME(eventfd) - ENTRY_OURS(fallocate) /* 305 */ - ENTRY_SAME(timerfd_create) - ENTRY_COMP(timerfd_settime) - ENTRY_COMP(timerfd_gettime) - ENTRY_COMP(signalfd4) - ENTRY_SAME(eventfd2) /* 310 */ - ENTRY_SAME(epoll_create1) - ENTRY_SAME(dup3) - ENTRY_SAME(pipe2) - ENTRY_SAME(inotify_init1) - ENTRY_COMP(preadv) /* 315 */ - ENTRY_COMP(pwritev) - ENTRY_COMP(rt_tgsigqueueinfo) - ENTRY_SAME(perf_event_open) - ENTRY_COMP(recvmmsg) - ENTRY_SAME(accept4) /* 320 */ - ENTRY_SAME(prlimit64) - ENTRY_SAME(fanotify_init) - ENTRY_DIFF(fanotify_mark) - ENTRY_COMP(clock_adjtime) - ENTRY_SAME(name_to_handle_at) /* 325 */ - ENTRY_COMP(open_by_handle_at) - ENTRY_SAME(syncfs) - ENTRY_SAME(setns) - ENTRY_COMP(sendmmsg) - ENTRY_COMP(process_vm_readv) /* 330 */ - ENTRY_COMP(process_vm_writev) - ENTRY_SAME(kcmp) - ENTRY_SAME(finit_module) - ENTRY_SAME(sched_setattr) - ENTRY_SAME(sched_getattr) /* 335 */ - ENTRY_COMP(utimes) - ENTRY_SAME(renameat2) - ENTRY_SAME(seccomp) - ENTRY_SAME(getrandom) - ENTRY_SAME(memfd_create) /* 340 */ - ENTRY_SAME(bpf) - ENTRY_COMP(execveat) - ENTRY_SAME(membarrier) - ENTRY_SAME(userfaultfd) - ENTRY_SAME(mlock2) /* 345 */ - ENTRY_SAME(copy_file_range) - ENTRY_COMP(preadv2) - ENTRY_COMP(pwritev2) - ENTRY_SAME(statx) - ENTRY_COMP(io_pgetevents) /* 350 */ - - -.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b)) -.error "size of syscall table does not fit value of __NR_Linux_syscalls" -.endif - -#undef ENTRY_SAME -#undef ENTRY_DIFF -#undef ENTRY_UHOH -#undef ENTRY_COMP -#undef ENTRY_OURS -- cgit v1.2.3-59-g8ed1b