1e898ea312
* build-aux/configure-lib.sh (libc_mini_shared_SOURCES): Add init_io.c. * include/mes/lib-mini.h (__init_io): Declare it. * lib/linux/x86-mes-gcc/crt1.c (_start): Replace manual initialization of __stdin, __stdout, __stderr, and environ with __init_io (). * lib/linux/x86-mes-m2/crt1.M1 (_start): Likewise. * lib/linux/x86-mes-mescc/crt1.c (_start): Likewise.
52 lines
1.5 KiB
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");
|
|
}
|