x86/syscall.s

   1
   2 extern errno
   3
   4 __syscall:
   5         push    ebp
   6         mov     ebp, esp
   7
   8         push    ebx
   9         push    edi
  10         push    esi
  11
  12         mov     ebx, [ebp+8]
  13         mov     ecx, [ebp+12]
  14         mov     edx, [ebp+16]
  15         mov     esi, [ebp+20]
  16         mov     edi, [ebp+24]
  17         mov     ebp, [ebp+28]
  18
  19         int     0x80
  20
  21         cmp     eax, -125
  22         jb      done
  23         neg     eax
  24         mov     [errno], eax
  25         mov     eax, -1
  26 done:
  27         pop     esi
  28         pop     edi
  29         pop     ebx
  30         pop     ebp
  31         ret
  32
  33 global _exit
  34 _exit:
  35         mov     eax, 1
  36         jmp     __syscall
  37
  38 global fork
  39 fork:
  40         mov     eax, 2
  41         jmp     __syscall
  42
  43 global read
  44 read:
  45         mov     eax, 3
  46         jmp     __syscall
  47
  48 global write
  49 write:
  50         mov     eax, 4
  51         jmp     __syscall
  52
  53 global open
  54 open:
  55         mov     eax, 5
  56         jmp     __syscall
  57
  58 global close
  59 close:
  60         mov     eax, 6
  61         jmp     __syscall
  62
  63 global waitpid
  64 waitpid:
  65         mov     eax, 7
  66         jmp     __syscall
  67
  68 global creat
  69 creat:
  70         mov     eax, 8
  71         jmp     __syscall
  72
  73 global link
  74 link:
  75         mov     eax, 9
  76         jmp     __syscall
  77
  78 global unlink
  79 unlink:
  80         mov     eax, 10
  81         jmp     __syscall
  82
  83 global execve
  84 execve:
  85         mov     eax, 11
  86         jmp     __syscall
  87
  88 global chdir
  89 chdir:
  90         mov     eax, 12
  91         jmp     __syscall
  92
  93 global time
  94 time:
  95         mov     eax, 13
  96         jmp     __syscall
  97
  98 global mknod
  99 mknod:
 100         mov     eax, 14
 101         jmp     __syscall
 102
 103 global chmod
 104 chmod:
 105         mov     eax, 15
 106         jmp     __syscall
 107
 108 global lseek
 109 lseek:
 110         mov     eax, 19
 111         jmp     __syscall
 112
 113 global getpid
 114 getpid:
 115         mov     eax, 20
 116         jmp     __syscall
 117
 118 global mount
 119 mount:
 120         mov     eax, 21
 121         jmp     __syscall
 122
 123 global umount
 124 umount:
 125         mov     eax, 22
 126         jmp     __syscall
 127
 128 global setuid
 129 setuid:
 130         mov     eax, 23
 131         jmp     __syscall
 132
 133 global getuid
 134 getuid:
 135         mov     eax, 24
 136         jmp     __syscall
 137
 138 global utime
 139 utime:
 140         mov     eax, 30
 141         jmp     __syscall
 142
 143 global access
 144 access:
 145         mov     eax, 33
 146         jmp     __syscall
 147
 148 global sync
 149 sync:
 150         mov     eax, 36
 151         jmp     __syscall
 152
 153 global kill
 154 kill:
 155         mov     eax, 37
 156         jmp     __syscall
 157
 158 global mkdir
 159 mkdir:
 160         mov     eax, 39
 161         jmp     __syscall
 162
 163 global rmdir
 164 rmdir:
 165         mov     eax, 40
 166         jmp     __syscall
 167
 168 global __dup
 169 global dup
 170 dup:
 171 __dup:
 172         mov     eax, 41
 173         jmp     __syscall
 174
 175 global pipe
 176 pipe:
 177         mov     eax, 42
 178         jmp     __syscall
 179
 180 global brk
 181 brk:
 182         mov     eax, 45
 183         jmp     __syscall
 184
 185 global setgid
 186 setgid:
 187         mov     eax, 46
 188         jmp     __syscall
 189
 190 global getgid
 191 getgid:
 192         mov     eax, 47
 193         jmp     __syscall
 194
 195 global geteuid
 196 geteuid:
 197         mov     eax, 49
 198         jmp     __syscall
 199
 200 global getegid
 201 getegid:
 202         mov     eax, 50
 203         jmp     __syscall
 204
 205 global ioctl
 206 ioctl:
 207         mov     eax, 54
 208         jmp     __syscall
 209
 210 global fcntl
 211 fcntl:
 212         mov     eax, 55
 213         jmp     __syscall
 214
 215 global dup2
 216 dup2:
 217         mov     eax, 63
 218         jmp     __syscall
 219
 220 global getppid
 221 getppid:
 222         mov     eax, 64
 223         jmp     __syscall
 224
 225 global setsid
 226 setsid:
 227         mov     eax, 66
 228         jmp     __syscall
 229
 230 global gettimeofday
 231 gettimeofday:
 232         mov     eax, 78
 233         jmp     __syscall
 234
 235 global settimeofday
 236 settimeofday:
 237         mov     eax, 79
 238         jmp     __syscall
 239
 240 global mmap
 241 mmap:
 242         mov     eax, 192
 243         jmp     __syscall
 244
 245 global munmap
 246 munmap:
 247         mov     eax, 91
 248         jmp     __syscall
 249
 250 global stat
 251 stat:
 252         mov     eax, 106
 253         jmp     __syscall
 254
 255 global lstat
 256 lstat:
 257         mov     eax, 107
 258         jmp     __syscall
 259
 260 global fstat
 261 fstat:
 262         mov     eax, 108
 263         jmp     __syscall
 264
 265 global clone
 266 clone:
 267         mov     eax, 120
 268         jmp     __syscall
 269
 270 global uname
 271 uname:
 272         mov     eax, 122
 273         jmp     __syscall
 274
 275 global fchdir
 276 fchdir:
 277         mov     eax, 133
 278         jmp     __syscall
 279
 280 global getdents
 281 getdents:
 282         mov     eax, 141
 283         jmp     __syscall
 284
 285 global nanosleep
 286 nanosleep:
 287         mov     eax, 162
 288         jmp     __syscall
 289
 290 global poll
 291 poll:
 292         mov     eax, 168
 293         jmp     __syscall
 294
 295 global chown
 296 chown:
 297         mov     eax, 182
 298         jmp     __syscall
 299
 300 global getcwd
 301 getcwd:
 302         mov     eax, 183
 303         jmp     __syscall
 304
 305 global sigaction
 306 sigaction:
 307         mov     eax, 67
 308         jmp     __syscall
 309
 310 global sigreturn
 311 sigreturn:
 312         mov     eax, 119
 313         jmp     __syscall
 314
 315 global fsync
 316 fsync:
 317         mov     eax, 118
 318         jmp     __syscall
 319
 320 global fdatasync
 321 fdatasync:
 322         mov     eax, 148
 323         jmp     __syscall
 324
 325 global truncate
 326 truncate:
 327         mov     eax, 92
 328         jmp     __syscall
 329
 330 global ftruncate
 331 ftruncate:
 332         mov     eax, 93
 333         jmp     __syscall