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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2019,2020 Danny Milosavljevic <dannym@scratchpost.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"
// *INDENT-OFF*
#if !__TINYC__
#define SYS_exit "0x01"
void
_exit (int code)
{
asm (
"mov r7, $"SYS_exit"\n\t"
"mov r0, %0\n\t"
"swi $0\n\t"
: // no outputs "=" (r)
: "r" (code)
: "r0", "r7"
);
// not reached
_exit (0);
}
#else //__TINYC__
#define SYS_exit 0x01
void
_exit (int code)
{
int c = SYS_exit;
__asm__ (".int 0xe51b7004\n"); //ldr r7, [fp, #-4] ; "c"
__asm__ (".int 0xe59b000c\n"); //ldr r0, [fp, #12] ; code
__asm__ (".int 0xef000000\n"); //svc 0x00000000
}
#endif //__TINYC__
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