a46c318bb8
* build-aux/indent.sh: New file. * include/mes/builtins.h: Move from src/builtins.h. * include/fcntl.h: Use // *INDENT-OFF* to prevent indent breakage. * include/locale.h: Likewise. * include/signal.h: Likewise. * include/sys/stat.h: Likewise. * include/sys/user.h: Likewise. * lib/linux/x86-mes-gcc/crt0.c: Likewise. * lib/linux/x86-mes-gcc/crt1.c: Likewise. * lib/linux/x86-mes-gcc/mes.c: Likewise. * lib/linux/x86-mes-gcc/mini.c: Likewise. * lib/linux/x86_64-mes-gcc/crt0.c: Likewise. * lib/linux/x86_64-mes-gcc/crt1.c: Likewise. * lib/linux/x86_64-mes-gcc/mes.c: Likewise. * lib/linux/x86_64-mes-gcc/mini.c: Likewise. * lib/x86_64-mes-gcc/setjmp.c: Likewise. * src/mes.c: Likewise. * src/reader.c: Likewise.
78 lines
2 KiB
C
78 lines
2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU 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.
|
|
*
|
|
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mes/lib-mini.h>
|
|
//int main (int argc, char *argv[], char *envp[]);
|
|
|
|
// *INDENT-OFF*
|
|
void
|
|
_start ()
|
|
{
|
|
asm (
|
|
"mov $0,%%eax\n\t"
|
|
"mov %%eax,%0\n"
|
|
: "=r" (__stdin)
|
|
: //no inputs ""
|
|
);
|
|
|
|
asm (
|
|
"mov $1,%%eax\n\t"
|
|
"mov %%eax,%0\n"
|
|
: "=r" (__stdout)
|
|
: //no inputs ""
|
|
);
|
|
|
|
asm (
|
|
"mov $2,%%eax\n\t"
|
|
"mov %%eax,%0\n"
|
|
: "=r" (__stderr)
|
|
: //no inputs ""
|
|
);
|
|
asm (
|
|
"mov %%ebp,%%eax\n\t"
|
|
"add $4,%%eax\n\t"
|
|
"movzbl (%%eax),%%eax\n\t"
|
|
"add $3,%%eax\n\t"
|
|
"shl $2,%%eax\n\t"
|
|
"add %%ebp,%%eax\n\t"
|
|
"mov %%eax,%0\n\t"
|
|
"push %%eax\n\t"
|
|
: "=r" (environ)
|
|
: //no inputs ""
|
|
);
|
|
asm (
|
|
"mov %ebp,%eax\n\t"
|
|
"add $8,%eax\n\t"
|
|
"push %eax\n\t"
|
|
|
|
"mov %ebp,%eax\n\t"
|
|
"add $4,%eax\n\t"
|
|
"movzbl (%eax),%eax\n\t"
|
|
"push %eax\n\t"
|
|
|
|
"call main\n\t"
|
|
|
|
"mov %eax,%ebx\n\t"
|
|
"mov $1,%eax\n\t"
|
|
"int $0x80\n\t"
|
|
"hlt \n\t"
|
|
);
|
|
}
|