ce980c8239
* mlibc/include/string.h (strcat): Declare. * mlibc/libc-mes+tcc.c (dlclose, dlopen, mprotect, sigaction, sigemptyset, strcat, vfprintf): Move from libc-gcc+tcc.c. * mlibc/libc-gcc+tcc.c: Remove them. * module/language/c99/compiler.mes (c99-input->full-ast): Define __i386__=1. (i386:type-alist): Parse `long long int', `unsigned short int', `unsigned long long int'. (struct-field): Support void**. (init-declr->name): (init-declr->pointer): Support function declaration.
123 lines
2.4 KiB
C
123 lines
2.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017 Jan Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of Mes.
|
|
*
|
|
* Mes is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* Mes is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define FULL_MALLOC 1
|
|
#include <libc-gcc.c>
|
|
#include <libc-mes+tcc.c>
|
|
|
|
int errno;
|
|
|
|
#include <unistd.h>
|
|
#include <stdarg.h>
|
|
#include <signal.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/time.h>
|
|
|
|
#define SYS_exit "0x01"
|
|
#define SYS_read "0x03"
|
|
#define SYS_write "0x04"
|
|
#define SYS_open "0x05"
|
|
#define SYS_close "0x06"
|
|
#define SYS_unlink "0x0a"
|
|
#define SYS_lseek "0x13"
|
|
#define SYS_access "0x21"
|
|
#define SYS_brk "0x2d"
|
|
#define SYS_fsync "0x76"
|
|
#define SYS_getcwd "0xb7"
|
|
|
|
int
|
|
close (int fd)
|
|
{
|
|
int r;
|
|
asm (
|
|
"mov %0,%%ebx\n\t"
|
|
"mov $"SYS_close",%%eax\n\t"
|
|
"int $0x80"
|
|
: "=r" (r)
|
|
: "" (fd)
|
|
);
|
|
return r;
|
|
}
|
|
|
|
int
|
|
unlink (char const *file_name)
|
|
{
|
|
int r;
|
|
asm (
|
|
"mov %0,%%ebx\n\t"
|
|
"mov $"SYS_unlink",%%eax\n\t"
|
|
"int $0x80"
|
|
: "=r" (r)
|
|
: "" (file_name)
|
|
);
|
|
return r;
|
|
}
|
|
|
|
off_t
|
|
lseek (int fd, off_t offset, int whence)
|
|
{
|
|
int r;
|
|
asm (
|
|
"mov %1,%%ebx\n\t"
|
|
"mov %2,%%ecx\n\t"
|
|
"mov %3,%%edx\n\t"
|
|
|
|
"mov $"SYS_lseek",%%eax\n\t"
|
|
"int $0x80\n\t"
|
|
|
|
"mov %%eax,%0\n\t"
|
|
: "=r" (r)
|
|
: "" (fd), "" (offset), "" (whence)
|
|
: "eax", "ebx", "ecx", "edx"
|
|
);
|
|
return r;
|
|
}
|
|
|
|
char *
|
|
getcwd (char *buf, size_t size)
|
|
{
|
|
int r;
|
|
asm (
|
|
"mov %1,%%ebx\n\t"
|
|
"mov %2,%%ecx\n\t"
|
|
|
|
"mov $"SYS_getcwd",%%eax\n\t"
|
|
"int $0x80\n\t"
|
|
|
|
"mov %%eax,%0\n\t"
|
|
: "=r" (r)
|
|
: "" (buf), "" (size)
|
|
: "eax", "ebx", "ecx"
|
|
);
|
|
return r;
|
|
}
|
|
|
|
int
|
|
__udivdi3 (int a, int b)
|
|
{
|
|
return a / b;
|
|
}
|
|
|
|
int
|
|
__umoddi3 (int a, int b)
|
|
{
|
|
return a % b;
|
|
}
|