1 /* -*-comment-start: "//";comment-end:""-*-
2 * Mes --- Maxwell Equations of Software
3 * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
5 * This file is part of Mes.
7 * Mes is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or (at
10 * your option) any later version.
12 * Mes is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Mes. If not, see <http://www.gnu.org/licenses/>.
32 //syscall (SYS_fork, fd));
46 read (int fd, void* buf, size_t n)
50 //syscall (SYS_write, fd, s, n));
61 : "" (fd), "" (buf), "" (n)
62 : "eax", "ebx", "ecx", "edx"
69 open (char const *s, int flags, ...)
76 "mov (%%eax),%%eax\n\t"
82 //syscall (SYS_open, mode));
91 : "" (s), "" (flags), "" (mode)
92 : "eax", "ebx", "ecx", "edx"
99 waitpid (pid_t pid, int *status_ptr, int options)
103 //syscall (SYS_execve, file_name, argv, env));
109 "mov $0x07,%%eax\n\t"
114 : "" (pid), "" (status_ptr), "" (options)
115 : "eax", "ebx", "ecx", "edx"
122 execve (char const* file_name, char *const argv[], char *const env[])
126 //syscall (SYS_execve, file_name, argv, env));
132 "mov $0x0b,%%eax\n\t"
137 : "" (file_name), "" (argv), "" (env)
138 : "eax", "ebx", "ecx", "edx"
145 chmod (char const *s, int mode)
149 //syscall (SYS_chmod, mode));
153 "mov $0x0f,%%eax\n\t"
158 : "eax", "ebx", "ecx"
165 access (char const *s, int mode)
169 //syscall (SYS_access, mode));
173 "mov $0x21,%%eax\n\t"
178 : "eax", "ebx", "ecx"
192 "mov $0x2d,%%eax\n\t"
205 ioctl (int fd, unsigned long request, ...)
210 "mov %%ebp,%%eax\n\t"
211 "add $0x10,%%eax\n\t"
212 "mov (%%eax),%%eax\n\t"
218 //syscall (SYS_ioctl, fd));
224 "mov $0x36, %%eax\n\t"
228 : "" (fd), "" (request), "" (p)
229 : "eax", "ebx", "ecx", "edx"
240 //syscall (SYS_fsync, fd));
244 "mov $0x76, %%eax\n\t"