diff options
author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-12-14 14:14:00 +0300 |
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committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-12-14 14:14:00 +0300 |
commit | ed141f2890cdb738fc7131367f5fb15632bc3e60 (patch) | |
tree | e6fd1b117b7d8968855e7f2d2f209ae102bf0be8 /arch/arm/kernel | |
parent | 41884629fe579bde263dfc3d1284d0f5c7af7d1a (diff) | |
parent | 219622b7b3dc578799c067f316845ec18dee7d65 (diff) | |
download | linux-ed141f2890cdb738fc7131367f5fb15632bc3e60.tar.xz |
Merge branch 'syscalls' into for-linus
Conflicts:
arch/arm/include/asm/unistd.h
arch/arm/include/uapi/asm/unistd.h
arch/arm/kernel/calls.S
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/calls.S | 415 | ||||
-rw-r--r-- | arch/arm/kernel/entry-common.S | 76 |
2 files changed, 44 insertions, 447 deletions
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S deleted file mode 100644 index 08030b18f10a..000000000000 --- a/arch/arm/kernel/calls.S +++ /dev/null @@ -1,415 +0,0 @@ -/* - * linux/arch/arm/kernel/calls.S - * - * Copyright (C) 1995-2005 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This file is included thrice in entry-common.S - */ -/* 0 */ CALL(sys_restart_syscall) - CALL(sys_exit) - CALL(sys_fork) - CALL(sys_read) - CALL(sys_write) -/* 5 */ CALL(sys_open) - CALL(sys_close) - CALL(sys_ni_syscall) /* was sys_waitpid */ - CALL(sys_creat) - CALL(sys_link) -/* 10 */ CALL(sys_unlink) - CALL(sys_execve) - CALL(sys_chdir) - CALL(OBSOLETE(sys_time)) /* used by libc4 */ - CALL(sys_mknod) -/* 15 */ CALL(sys_chmod) - CALL(sys_lchown16) - CALL(sys_ni_syscall) /* was sys_break */ - CALL(sys_ni_syscall) /* was sys_stat */ - CALL(sys_lseek) -/* 20 */ CALL(sys_getpid) - CALL(sys_mount) - CALL(OBSOLETE(sys_oldumount)) /* used by libc4 */ - CALL(sys_setuid16) - CALL(sys_getuid16) -/* 25 */ CALL(OBSOLETE(sys_stime)) - CALL(sys_ptrace) - CALL(OBSOLETE(sys_alarm)) /* used by libc4 */ - CALL(sys_ni_syscall) /* was sys_fstat */ - CALL(sys_pause) -/* 30 */ CALL(OBSOLETE(sys_utime)) /* used by libc4 */ - CALL(sys_ni_syscall) /* was sys_stty */ - CALL(sys_ni_syscall) /* was sys_getty */ - CALL(sys_access) - CALL(sys_nice) -/* 35 */ CALL(sys_ni_syscall) /* was sys_ftime */ - CALL(sys_sync) - CALL(sys_kill) - CALL(sys_rename) - CALL(sys_mkdir) -/* 40 */ CALL(sys_rmdir) - CALL(sys_dup) - CALL(sys_pipe) - CALL(sys_times) - CALL(sys_ni_syscall) /* was sys_prof */ -/* 45 */ CALL(sys_brk) - CALL(sys_setgid16) - CALL(sys_getgid16) - CALL(sys_ni_syscall) /* was sys_signal */ - CALL(sys_geteuid16) -/* 50 */ CALL(sys_getegid16) - CALL(sys_acct) - CALL(sys_umount) - CALL(sys_ni_syscall) /* was sys_lock */ - CALL(sys_ioctl) -/* 55 */ CALL(sys_fcntl) - CALL(sys_ni_syscall) /* was sys_mpx */ - CALL(sys_setpgid) - CALL(sys_ni_syscall) /* was sys_ulimit */ - CALL(sys_ni_syscall) /* was sys_olduname */ -/* 60 */ CALL(sys_umask) - CALL(sys_chroot) - CALL(sys_ustat) - CALL(sys_dup2) - CALL(sys_getppid) -/* 65 */ CALL(sys_getpgrp) - CALL(sys_setsid) - CALL(sys_sigaction) - CALL(sys_ni_syscall) /* was sys_sgetmask */ - CALL(sys_ni_syscall) /* was sys_ssetmask */ -/* 70 */ CALL(sys_setreuid16) - CALL(sys_setregid16) - CALL(sys_sigsuspend) - CALL(sys_sigpending) - CALL(sys_sethostname) -/* 75 */ CALL(sys_setrlimit) - CALL(OBSOLETE(sys_old_getrlimit)) /* used by libc4 */ - CALL(sys_getrusage) - CALL(sys_gettimeofday) - CALL(sys_settimeofday) -/* 80 */ CALL(sys_getgroups16) - CALL(sys_setgroups16) - CALL(OBSOLETE(sys_old_select)) /* used by libc4 */ - CALL(sys_symlink) - CALL(sys_ni_syscall) /* was sys_lstat */ -/* 85 */ CALL(sys_readlink) - CALL(sys_uselib) - CALL(sys_swapon) - CALL(sys_reboot) - CALL(OBSOLETE(sys_old_readdir)) /* used by libc4 */ -/* 90 */ CALL(OBSOLETE(sys_old_mmap)) /* used by libc4 */ - CALL(sys_munmap) - CALL(sys_truncate) - CALL(sys_ftruncate) - CALL(sys_fchmod) -/* 95 */ CALL(sys_fchown16) - CALL(sys_getpriority) - CALL(sys_setpriority) - CALL(sys_ni_syscall) /* was sys_profil */ - CALL(sys_statfs) -/* 100 */ CALL(sys_fstatfs) - CALL(sys_ni_syscall) /* sys_ioperm */ - CALL(OBSOLETE(ABI(sys_socketcall, sys_oabi_socketcall))) - CALL(sys_syslog) - CALL(sys_setitimer) -/* 105 */ CALL(sys_getitimer) - CALL(sys_newstat) - CALL(sys_newlstat) - CALL(sys_newfstat) - CALL(sys_ni_syscall) /* was sys_uname */ -/* 110 */ CALL(sys_ni_syscall) /* was sys_iopl */ - CALL(sys_vhangup) - CALL(sys_ni_syscall) - CALL(OBSOLETE(sys_syscall)) /* call a syscall */ - CALL(sys_wait4) -/* 115 */ CALL(sys_swapoff) - CALL(sys_sysinfo) - CALL(OBSOLETE(ABI(sys_ipc, sys_oabi_ipc))) - CALL(sys_fsync) - CALL(sys_sigreturn_wrapper) -/* 120 */ CALL(sys_clone) - CALL(sys_setdomainname) - CALL(sys_newuname) - CALL(sys_ni_syscall) /* modify_ldt */ - CALL(sys_adjtimex) -/* 125 */ CALL(sys_mprotect) - CALL(sys_sigprocmask) - CALL(sys_ni_syscall) /* was sys_create_module */ - CALL(sys_init_module) - CALL(sys_delete_module) -/* 130 */ CALL(sys_ni_syscall) /* was sys_get_kernel_syms */ - CALL(sys_quotactl) - CALL(sys_getpgid) - CALL(sys_fchdir) - CALL(sys_bdflush) -/* 135 */ CALL(sys_sysfs) - CALL(sys_personality) - CALL(sys_ni_syscall) /* reserved for afs_syscall */ - CALL(sys_setfsuid16) - CALL(sys_setfsgid16) -/* 140 */ CALL(sys_llseek) - CALL(sys_getdents) - CALL(sys_select) - CALL(sys_flock) - CALL(sys_msync) -/* 145 */ CALL(sys_readv) - CALL(sys_writev) - CALL(sys_getsid) - CALL(sys_fdatasync) - CALL(sys_sysctl) -/* 150 */ CALL(sys_mlock) - CALL(sys_munlock) - CALL(sys_mlockall) - CALL(sys_munlockall) - CALL(sys_sched_setparam) -/* 155 */ CALL(sys_sched_getparam) - CALL(sys_sched_setscheduler) - CALL(sys_sched_getscheduler) - CALL(sys_sched_yield) - CALL(sys_sched_get_priority_max) -/* 160 */ CALL(sys_sched_get_priority_min) - CALL(sys_sched_rr_get_interval) - CALL(sys_nanosleep) - CALL(sys_mremap) - CALL(sys_setresuid16) -/* 165 */ CALL(sys_getresuid16) - CALL(sys_ni_syscall) /* vm86 */ - CALL(sys_ni_syscall) /* was sys_query_module */ - CALL(sys_poll) - CALL(sys_ni_syscall) /* was nfsservctl */ -/* 170 */ CALL(sys_setresgid16) - CALL(sys_getresgid16) - CALL(sys_prctl) - CALL(sys_rt_sigreturn_wrapper) - CALL(sys_rt_sigaction) -/* 175 */ CALL(sys_rt_sigprocmask) - CALL(sys_rt_sigpending) - CALL(sys_rt_sigtimedwait) - CALL(sys_rt_sigqueueinfo) - CALL(sys_rt_sigsuspend) -/* 180 */ CALL(ABI(sys_pread64, sys_oabi_pread64)) - CALL(ABI(sys_pwrite64, sys_oabi_pwrite64)) - CALL(sys_chown16) - CALL(sys_getcwd) - CALL(sys_capget) -/* 185 */ CALL(sys_capset) - CALL(sys_sigaltstack) - CALL(sys_sendfile) - CALL(sys_ni_syscall) /* getpmsg */ - CALL(sys_ni_syscall) /* putpmsg */ -/* 190 */ CALL(sys_vfork) - CALL(sys_getrlimit) - CALL(sys_mmap2) - CALL(ABI(sys_truncate64, sys_oabi_truncate64)) - CALL(ABI(sys_ftruncate64, sys_oabi_ftruncate64)) -/* 195 */ CALL(ABI(sys_stat64, sys_oabi_stat64)) - CALL(ABI(sys_lstat64, sys_oabi_lstat64)) - CALL(ABI(sys_fstat64, sys_oabi_fstat64)) - CALL(sys_lchown) - CALL(sys_getuid) -/* 200 */ CALL(sys_getgid) - CALL(sys_geteuid) - CALL(sys_getegid) - CALL(sys_setreuid) - CALL(sys_setregid) -/* 205 */ CALL(sys_getgroups) - CALL(sys_setgroups) - CALL(sys_fchown) - CALL(sys_setresuid) - CALL(sys_getresuid) -/* 210 */ CALL(sys_setresgid) - CALL(sys_getresgid) - CALL(sys_chown) - CALL(sys_setuid) - CALL(sys_setgid) -/* 215 */ CALL(sys_setfsuid) - CALL(sys_setfsgid) - CALL(sys_getdents64) - CALL(sys_pivot_root) - CALL(sys_mincore) -/* 220 */ CALL(sys_madvise) - CALL(ABI(sys_fcntl64, sys_oabi_fcntl64)) - CALL(sys_ni_syscall) /* TUX */ - CALL(sys_ni_syscall) - CALL(sys_gettid) -/* 225 */ CALL(ABI(sys_readahead, sys_oabi_readahead)) - CALL(sys_setxattr) - CALL(sys_lsetxattr) - CALL(sys_fsetxattr) - CALL(sys_getxattr) -/* 230 */ CALL(sys_lgetxattr) - CALL(sys_fgetxattr) - CALL(sys_listxattr) - CALL(sys_llistxattr) - CALL(sys_flistxattr) -/* 235 */ CALL(sys_removexattr) - CALL(sys_lremovexattr) - CALL(sys_fremovexattr) - CALL(sys_tkill) - CALL(sys_sendfile64) -/* 240 */ CALL(sys_futex) - CALL(sys_sched_setaffinity) - CALL(sys_sched_getaffinity) - CALL(sys_io_setup) - CALL(sys_io_destroy) -/* 245 */ CALL(sys_io_getevents) - CALL(sys_io_submit) - CALL(sys_io_cancel) - CALL(sys_exit_group) - CALL(sys_lookup_dcookie) -/* 250 */ CALL(sys_epoll_create) - CALL(ABI(sys_epoll_ctl, sys_oabi_epoll_ctl)) - CALL(ABI(sys_epoll_wait, sys_oabi_epoll_wait)) - CALL(sys_remap_file_pages) - CALL(sys_ni_syscall) /* sys_set_thread_area */ -/* 255 */ CALL(sys_ni_syscall) /* sys_get_thread_area */ - CALL(sys_set_tid_address) - CALL(sys_timer_create) - CALL(sys_timer_settime) - CALL(sys_timer_gettime) -/* 260 */ CALL(sys_timer_getoverrun) - CALL(sys_timer_delete) - CALL(sys_clock_settime) - CALL(sys_clock_gettime) - CALL(sys_clock_getres) -/* 265 */ CALL(sys_clock_nanosleep) - CALL(sys_statfs64_wrapper) - CALL(sys_fstatfs64_wrapper) - CALL(sys_tgkill) - CALL(sys_utimes) -/* 270 */ CALL(sys_arm_fadvise64_64) - CALL(sys_pciconfig_iobase) - CALL(sys_pciconfig_read) - CALL(sys_pciconfig_write) - CALL(sys_mq_open) -/* 275 */ CALL(sys_mq_unlink) - CALL(sys_mq_timedsend) - CALL(sys_mq_timedreceive) - CALL(sys_mq_notify) - CALL(sys_mq_getsetattr) -/* 280 */ CALL(sys_waitid) - CALL(sys_socket) - CALL(ABI(sys_bind, sys_oabi_bind)) - CALL(ABI(sys_connect, sys_oabi_connect)) - CALL(sys_listen) -/* 285 */ CALL(sys_accept) - CALL(sys_getsockname) - CALL(sys_getpeername) - CALL(sys_socketpair) - CALL(sys_send) -/* 290 */ CALL(ABI(sys_sendto, sys_oabi_sendto)) - CALL(sys_recv) - CALL(sys_recvfrom) - CALL(sys_shutdown) - CALL(sys_setsockopt) -/* 295 */ CALL(sys_getsockopt) - CALL(ABI(sys_sendmsg, sys_oabi_sendmsg)) - CALL(sys_recvmsg) - CALL(ABI(sys_semop, sys_oabi_semop)) - CALL(sys_semget) -/* 300 */ CALL(sys_semctl) - CALL(sys_msgsnd) - CALL(sys_msgrcv) - CALL(sys_msgget) - CALL(sys_msgctl) -/* 305 */ CALL(sys_shmat) - CALL(sys_shmdt) - CALL(sys_shmget) - CALL(sys_shmctl) - CALL(sys_add_key) -/* 310 */ CALL(sys_request_key) - CALL(sys_keyctl) - CALL(ABI(sys_semtimedop, sys_oabi_semtimedop)) -/* vserver */ CALL(sys_ni_syscall) - CALL(sys_ioprio_set) -/* 315 */ CALL(sys_ioprio_get) - CALL(sys_inotify_init) - CALL(sys_inotify_add_watch) - CALL(sys_inotify_rm_watch) - CALL(sys_mbind) -/* 320 */ CALL(sys_get_mempolicy) - CALL(sys_set_mempolicy) - CALL(sys_openat) - CALL(sys_mkdirat) - CALL(sys_mknodat) -/* 325 */ CALL(sys_fchownat) - CALL(sys_futimesat) - CALL(ABI(sys_fstatat64, sys_oabi_fstatat64)) - CALL(sys_unlinkat) - CALL(sys_renameat) -/* 330 */ CALL(sys_linkat) - CALL(sys_symlinkat) - CALL(sys_readlinkat) - CALL(sys_fchmodat) - CALL(sys_faccessat) -/* 335 */ CALL(sys_pselect6) - CALL(sys_ppoll) - CALL(sys_unshare) - CALL(sys_set_robust_list) - CALL(sys_get_robust_list) -/* 340 */ CALL(sys_splice) - CALL(sys_sync_file_range2) - CALL(sys_tee) - CALL(sys_vmsplice) - CALL(sys_move_pages) -/* 345 */ CALL(sys_getcpu) - CALL(sys_epoll_pwait) - CALL(sys_kexec_load) - CALL(sys_utimensat) - CALL(sys_signalfd) -/* 350 */ CALL(sys_timerfd_create) - CALL(sys_eventfd) - CALL(sys_fallocate) - CALL(sys_timerfd_settime) - CALL(sys_timerfd_gettime) -/* 355 */ CALL(sys_signalfd4) - CALL(sys_eventfd2) - CALL(sys_epoll_create1) - CALL(sys_dup3) - CALL(sys_pipe2) -/* 360 */ CALL(sys_inotify_init1) - CALL(sys_preadv) - CALL(sys_pwritev) - CALL(sys_rt_tgsigqueueinfo) - CALL(sys_perf_event_open) -/* 365 */ CALL(sys_recvmmsg) - CALL(sys_accept4) - CALL(sys_fanotify_init) - CALL(sys_fanotify_mark) - CALL(sys_prlimit64) -/* 370 */ CALL(sys_name_to_handle_at) - CALL(sys_open_by_handle_at) - CALL(sys_clock_adjtime) - CALL(sys_syncfs) - CALL(sys_sendmmsg) -/* 375 */ CALL(sys_setns) - CALL(sys_process_vm_readv) - CALL(sys_process_vm_writev) - CALL(sys_kcmp) - CALL(sys_finit_module) -/* 380 */ CALL(sys_sched_setattr) - CALL(sys_sched_getattr) - CALL(sys_renameat2) - CALL(sys_seccomp) - CALL(sys_getrandom) -/* 385 */ CALL(sys_memfd_create) - CALL(sys_bpf) - CALL(sys_execveat) - CALL(sys_userfaultfd) - CALL(sys_membarrier) -/* 390 */ CALL(sys_mlock2) - CALL(sys_copy_file_range) - CALL(sys_preadv2) - CALL(sys_pwritev2) - CALL(sys_pkey_mprotect) -/* 395 */ CALL(sys_pkey_alloc) - CALL(sys_pkey_free) -#ifndef syscalls_counted -.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls -#define syscalls_counted -#endif -.rept syscalls_padding - CALL(sys_ni_syscall) -.endr diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 10c3283d6c19..eb5cd77bf1d8 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -12,6 +12,11 @@ #include <asm/unistd.h> #include <asm/ftrace.h> #include <asm/unwind.h> +#ifdef CONFIG_AEABI +#include <asm/unistd-oabi.h> +#endif + + .equ NR_syscalls, __NR_syscalls #ifdef CONFIG_NEED_RET_TO_USER #include <mach/entry-macro.S> @@ -120,21 +125,6 @@ ENTRY(ret_from_fork) b ret_slow_syscall ENDPROC(ret_from_fork) - .equ NR_syscalls,0 -#define CALL(x) .equ NR_syscalls,NR_syscalls+1 -#include "calls.S" - -/* - * Ensure that the system call table is equal to __NR_syscalls, - * which is the value the rest of the system sees - */ -.ifne NR_syscalls - __NR_syscalls -.error "__NR_syscalls is not equal to the size of the syscall table" -.endif - -#undef CALL -#define CALL(x) .long x - /*============================================================================= * SWI handler *----------------------------------------------------------------------------- @@ -291,22 +281,48 @@ __cr_alignment: #endif .ltorg + .macro syscall_table_start, sym + .equ __sys_nr, 0 + .type \sym, #object +ENTRY(\sym) + .endm + + .macro syscall, nr, func + .ifgt __sys_nr - \nr + .error "Duplicated/unorded system call entry" + .endif + .rept \nr - __sys_nr + .long sys_ni_syscall + .endr + .long \func + .equ __sys_nr, \nr + 1 + .endm + + .macro syscall_table_end, sym + .ifgt __sys_nr - __NR_syscalls + .error "System call table too big" + .endif + .rept __NR_syscalls - __sys_nr + .long sys_ni_syscall + .endr + .size \sym, . - \sym + .endm + +#define NATIVE(nr, func) syscall nr, func + /* * This is the syscall table declaration for native ABI syscalls. * With EABI a couple syscalls are obsolete and defined as sys_ni_syscall. */ -#define ABI(native, compat) native + syscall_table_start sys_call_table +#define COMPAT(nr, native, compat) syscall nr, native #ifdef CONFIG_AEABI -#define OBSOLETE(syscall) sys_ni_syscall +#include <calls-eabi.S> #else -#define OBSOLETE(syscall) syscall +#include <calls-oabi.S> #endif - - .type sys_call_table, #object -ENTRY(sys_call_table) -#include "calls.S" -#undef ABI -#undef OBSOLETE +#undef COMPAT + syscall_table_end sys_call_table /*============================================================================ * Special system call wrappers @@ -407,14 +423,10 @@ ENDPROC(sys_oabi_readahead) * Let's declare a second syscall table for old ABI binaries * using the compatibility syscall entries. */ -#define ABI(native, compat) compat -#define OBSOLETE(syscall) syscall - - .type sys_oabi_call_table, #object -ENTRY(sys_oabi_call_table) -#include "calls.S" -#undef ABI -#undef OBSOLETE + syscall_table_start sys_oabi_call_table +#define COMPAT(nr, native, compat) syscall nr, compat +#include <calls-oabi.S> + syscall_table_end sys_oabi_call_table #endif |