mes/lib/linux/x86-mes-mescc/crt1.c

52 lines
1.5 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018,2021 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[]);
int
_start ()
{
asm ("mov____%ebp,%eax"); //environ
asm ("add____$i8,%eax !4");
asm ("mov____(%eax),%eax");
asm ("add____$i8,%eax !3");
asm ("shl____$i8,%eax !0x02");
asm ("add____%ebp,%eax");
asm ("push___%eax");
asm ("mov____%ebp,%eax"); // argv
asm ("add____$i8,%eax !8");
asm ("push___%eax");
asm ("mov____%ebp,%eax"); // argc
asm ("add____$i8,%eax !4");
asm ("mov____(%eax),%eax");
asm ("push___%eax");
__init_io ();
main ();
asm ("mov____%eax,%ebx");
asm ("mov____$i32,%eax %1");
asm ("int____$0x80");
asm ("hlt");
}