cosmopolitan/libc/stubs/exit.S

39 lines
2.3 KiB
ArmAsm

/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program 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; version 2 of the License. │
This program 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 this program; if not, write to the Free Software │
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "ape/macros.internal.h"
.real
.source __FILE__
.code16 # .code32 .code64
/ Linkable delegate for traditional Unix user process termination.
/
/ @param edi is exit code ∈ [0,256)
/ @note cosmopolitan headers obfuscate this indirection
/ @see libc/runtime/runtime.h
/ @mode long,legacy,real
/ @asyncsignalsafe
/ @noreturn
_exit: push %bp
mov %sp,%bp
.weak _Exit
rlcall _Exit
int3
.endfn _exit,weak