#+COMMENT:                                                            -*- org -*-
#+TITLE: Linux System Calls

|---------------+----------+-----+--------+-----+---------|
| name          | old      | x86 | x86_64 | arm | riscv64 |
|---------------+----------+-----+--------+-----+---------|
| libc-mini     |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| exit          |          |   1 |     60 |   1 |       1 |
| write         |          |   4 |      1 |   4 |       4 |
|---------------+----------+-----+--------+-----+---------|
| libc          |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| fork          |          |   2 |     57 |   2 |       2 |
| read          |          |   3 |      0 |   3 |       3 |
| open          |          |   5 |      2 |   5 |       5 |
| waitpid       |          |   7 |        |     |         |
| wait4         | waitpid  | 114 |     61 | 114 |     114 |
| execve        |          |  11 |     59 |  11 |      11 |
| chmod         |          |  15 |     90 |  15 |      15 |
| access        |          |  33 |     21 |  33 |      33 |
| brk           |          |  45 |     12 |  45 |      45 |
| ioctl         |          |  54 |     16 |  54 |      54 |
| fsync         |          | 118 |     74 | 118 |     118 |
| getcwd        |          | 183 |     79 | 183 |     183 |
| dup           |          |  41 |     32 |  41 |      41 |
| dup2          |          |  63 |     33 |  63 |      63 |
| unlink        |          |  10 |     87 |  10 |      10 |
| gettimeofday  | time     |  78 |     96 |  78 |      78 |
| clock_gettime |          | 265 |    228 | 263 |     260 |
| time          |          |  13 |    201 |  13 |         |
|---------------+----------+-----+--------+-----+---------|
| libc+tcc      |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| close         |          |   6 |      3 |   6 |       6 |
| lseek         |          |  19 |      8 |  19 |      19 |
| rmdir         |          |  40 |     84 |  40 |      40 |
| stat          |          | 106 |      4 | 106 |     106 |
|---------------+----------+-----+--------+-----+---------|
| libc+GNU      |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| chdir         |          |  12 |     80 |  12 |      12 |
| link          |          |   9 |     86 |   9 |       9 |
| getpid        |          |  20 |     39 |  20 |      20 |
| getuid        |          |  24 |    102 |  24 |     199 |
| kill          |          |  37 |     62 |  37 |      37 |
| rename        |          |  38 |     82 |  38 |      38 |
| mkdir         |          |  39 |     83 |  39 |      39 |
| pipe          |          |  42 |     22 |  42 |      42 |
| getgid        |          |  47 |    104 |  47 |     200 |
| signal        |          |  48 |        |     |      48 |
| sigaction     |          |  67 |        |  67 |      67 |
| rt_sigaction  |          | 174 |     13 | 174 |     174 |
| signal        |          |  48 |        |     |      48 |
| fcntl         |          |  55 |     72 |  55 |      55 |
| getrusage     |          |  77 |     98 |  77 |      77 |
| lstat         |          | 107 |      6 | 107 |     107 |
| setitimer     |          | 104 |     38 | 104 |     104 |
| fstat         |          | 108 |      5 | 108 |     108 |
| nanosleep     |          | 162 |     35 | 162 |     162 |
| getdents      |          | 141 |     78 | 141 |     141 |
|---------------+----------+-----+--------+-----+---------|
| GNU+bash      |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| setuid        |          |  23 |    105 |  23 |     213 |
| geteuid       |          |  49 |    107 |  49 |     201 |
| getegid       |          |  50 |    108 |  50 |     202 |
| setgid        |          |  46 |    106 |  46 |     214 |
| getppid       |          |  64 |    110 |  64 |      64 |
|---------------+----------+-----+--------+-----+---------|
| GNU+make      |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| sigprocmask   |          | 126 |        | 126 |     126 |
|---------------+----------+-----+--------+-----+---------|
| GNU+tar       |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| symlink       |          |  83 |     88 |  83 |      83 |
| readlink      |          |  85 |     89 |  85 |      85 |
| mknod         |          |  14 |    133 |  14 |      14 |
|---------------+----------+-----+--------+-----+---------|
| new           |          |     |        |     |         |
|---------------+----------+-----+--------+-----+---------|
| clone         | fork     | 120 |     56 | 120 |     120 |
| getdents64    | getdents | 220 |    217 | 217 |     220 |
| openat        | open     | 295 |    257 | 322 |     288 |
| mkdirat       | mkdir    | 296 |    258 | 323 |     289 |
| mknodat       | mknod    | 297 |    259 | 324 |     290 |
| unlinkat      | rmdir    | 301 |    263 | 328 |     294 |
| unlinkat      | unlink   | 301 |    263 | 328 |     294 |
| renameat      | rename   | 302 |    264 | 329 |     295 |
| linkat        | link     | 303 |    265 | 330 |     296 |
| symlinkat     | symlink  | 304 |    266 | 331 |     297 |
| readlinkat    | readlink | 305 |    267 | 332 |     298 |
| fchmodat      | chmod    | 306 |    268 | 333 |     299 |
| faccessat     | access   | 307 |    269 | 334 |     300 |
| dup3          | dup2     | 330 |    292 | 358 |     326 |
| pipe2         | pipe     | 331 |    293 | 359 |     325 |
|---------------+----------+-----+--------+-----+---------|

* Sources

https://github.com/torvalds/linux/blob/v4.19/arch/arm/tools/syscall.tbl
https://github.com/torvalds/linux/blob/v4.19/arch/x86/entry/syscalls/syscall_32.tbl
https://github.com/torvalds/linux/blob/v4.19/arch/x86/entry/syscalls/syscall_64.tbl

* Legalese
Copyright © 2022 Jan (janneke) Nieuwenhuizen <[[mailto:janneke@gnu.org][janneke@gnu.org]]>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.