diff options
Diffstat (limited to 'arch/i386/syscall.h')
| -rw-r--r-- | arch/i386/syscall.h | 472 |
1 files changed, 49 insertions, 423 deletions
diff --git a/arch/i386/syscall.h b/arch/i386/syscall.h index ee871a9d..cd3c5165 100644 --- a/arch/i386/syscall.h +++ b/arch/i386/syscall.h @@ -1,6 +1,8 @@ #ifndef _SYSCALL_H #define _SYSCALL_H +#include <sys/syscall.h> + #define SYSCALL_LL(x) \ ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \ ((union { long long ll; long l[2]; }){ .ll = x }).l[1] @@ -22,481 +24,103 @@ static inline long __syscall_ret(unsigned long r) extern long __syscall_ret(unsigned long); #endif -#define SYSCALL0 "int $128" - -#ifdef __PIC__ -#define SYSCALL "xchgl %%ebx,%2\n\t" SYSCALL0 "\n\txchgl %%ebx,%2" -#define EBX "m" -#else -#define SYSCALL SYSCALL0 -#define EBX "b" -#endif - static inline long syscall0(long n) { unsigned long ret; - __asm__ __volatile__ (SYSCALL0 : "=a"(ret) : "a"(n) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n) : "memory"); return __syscall_ret(ret); } +#ifndef __PIC__ + static inline long syscall1(long n, long a1) { unsigned long ret; - __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), EBX(a1) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1) : "memory"); return __syscall_ret(ret); } static inline long syscall2(long n, long a1, long a2) { unsigned long ret; - __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), EBX(a1), "c"(a2) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2) : "memory"); return __syscall_ret(ret); } static inline long syscall3(long n, long a1, long a2, long a3) { unsigned long ret; - __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), EBX(a1), "c"(a2), "d"(a3) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3) : "memory"); return __syscall_ret(ret); } static inline long syscall4(long n, long a1, long a2, long a3, long a4) { unsigned long ret; - __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), EBX(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); return __syscall_ret(ret); } static inline long syscall5(long n, long a1, long a2, long a3, long a4, long a5) { unsigned long ret; - __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), EBX(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); return __syscall_ret(ret); } -#ifdef __PIC__ -/* note: it's probably only safe to use this when a6 is on the stack */ static inline long syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) { unsigned long ret; - __asm__ __volatile__ ("xchgl %%ebx,%2 ; pushl %1 ; pushl %%ebp ; movl %%eax,%%ebp ; movl 4(%%esp),%%eax ; int $128 ; popl %%ebp ; popl %%ecx ; xchgl %%ebx,%2" - : "=a"(ret) : "g"(n), EBX(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "a"(a6) : "memory"); + __asm__ __volatile__ ("pushl %%ebp ; mov %%eax,%%ebp ; movl %1,%%eax ; int $128 ; popl %%ebp" + : "=a"(ret) : "i"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "a"(a6) : "memory"); return __syscall_ret(ret); } + #else -static inline long syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) + +static inline long syscall1(long n, long a1) { unsigned long ret; - __asm__ __volatile__ ("pushl %%ebp ; mov %1, %%ebp ; xchg %%ebp, %7 ; int $128 ; popl %%ebp" - : "=a"(ret) : "g"(n), EBX(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "a"(a6) : "memory"); + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1) : "memory"); return __syscall_ret(ret); } -#endif -#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_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 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_prof 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_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 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_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 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_profil 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_ioperm 101 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_olduname 109 -#define __NR_iopl 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86old 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_modify_ldt 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#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 -#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_vm86 166 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#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_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 -#define __NR_putpmsg 189 -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_madvise1 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -/* 223 is unused */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 -/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_utimensat 320 -#define __NR_signalfd 321 -#define __NR_timerfd_create 322 -#define __NR_eventfd 323 -#define __NR_fallocate 324 -#define __NR_timerfd_settime 325 -#define __NR_timerfd_gettime 326 -#define __NR_signalfd4 327 -#define __NR_eventfd2 328 -#define __NR_epoll_create1 329 -#define __NR_dup3 330 -#define __NR_pipe2 331 -#define __NR_inotify_init1 332 -#define __NR_preadv 333 -#define __NR_pwritev 334 - -/* fixup legacy 16-bit junk */ -#undef __NR_lchown -#undef __NR_getuid -#undef __NR_getgid -#undef __NR_geteuid -#undef __NR_getegid -#undef __NR_setreuid -#undef __NR_setregid -#undef __NR_getgroups -#undef __NR_setgroups -#undef __NR_fchown -#undef __NR_setresuid -#undef __NR_getresuid -#undef __NR_setresgid -#undef __NR_getresgid -#undef __NR_chown -#undef __NR_setuid -#undef __NR_setgid -#undef __NR_setfsuid -#undef __NR_setfsgid -#define __NR_lchown __NR_lchown32 -#define __NR_getuid __NR_getuid32 -#define __NR_getgid __NR_getgid32 -#define __NR_geteuid __NR_geteuid32 -#define __NR_getegid __NR_getegid32 -#define __NR_setreuid __NR_setreuid32 -#define __NR_setregid __NR_setregid32 -#define __NR_getgroups __NR_getgroups32 -#define __NR_setgroups __NR_setgroups32 -#define __NR_fchown __NR_fchown32 -#define __NR_setresuid __NR_setresuid32 -#define __NR_getresuid __NR_getresuid32 -#define __NR_setresgid __NR_setresgid32 -#define __NR_getresgid __NR_getresgid32 -#define __NR_chown __NR_chown32 -#define __NR_setuid __NR_setuid32 -#define __NR_setgid __NR_setgid32 -#define __NR_setfsuid __NR_setfsuid32 -#define __NR_setfsgid __NR_setfsgid32 +static inline long syscall2(long n, long a1, long a2) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2) : "memory"); + return __syscall_ret(ret); +} +static inline long syscall3(long n, long a1, long a2, long a3) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2), "d"(a3) : "memory"); + return __syscall_ret(ret); +} -/* fixup legacy 32-bit-vs-lfs64 junk */ -#undef __NR_getdents -#undef __NR_ftruncate -#undef __NR_truncate -#undef __NR_stat -#undef __NR_fstat -#undef __NR_lstat -#undef __NR_statfs -#undef __NR_fstatfs -#define __NR_getdents __NR_getdents64 -#define __NR_ftruncate __NR_ftruncate64 -#define __NR_truncate __NR_truncate64 -#define __NR_stat __NR_stat64 -#define __NR_fstat __NR_fstat64 -#define __NR_lstat __NR_lstat64 -#define __NR_statfs __NR_statfs64 -#define __NR_fstatfs __NR_fstatfs64 -#define __NR_fstatat __NR_fstatat64 -#define __NR_pread __NR_pread64 -#define __NR_pwrite __NR_pwrite64 +static inline long syscall4(long n, long a1, long a2, long a3, long a4) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); + return __syscall_ret(ret); +} -#undef __NR_getrlimit -#define __NR_getrlimit __NR_ugetrlimit +static inline long syscall5(long n, long a1, long a2, long a3, long a4, long a5) +{ + unsigned long ret; + __asm__ __volatile__ ("pushl %%ebx ; mov %%eax,%%ebx ; movl %1,%%eax ; int $128 ; popl %%ebx" + : "=a"(ret) : "i"(n), "a"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); + return __syscall_ret(ret); +} -#undef __NR_select -#define __NR_select __NR__newselect +#define syscall6(n,a1,a2,a3,a4,a5,a6) __syscall((n),(a1),(a2),(a3),(a4),(a5),(a6)) +#endif #define __SC_socket 1 #define __SC_bind 2 @@ -538,4 +162,6 @@ static inline long syscall6(long n, long a1, long a2, long a3, long a4, long a5, #define __syscall_ioctl(fd,ioc,arg) syscall3(__NR_ioctl, (fd), (ioc), (long)(arg)) #define __syscall_exit(code) syscall1(__NR_exit, code) +long __syscall(long, ...); + #endif |