mes/include/setjmp.h
Jan Nieuwenhuizen e8884d83e1 mlibc: GNU Gcc support: setjmp, longjmp.
* stage0/x86.M1 (jmp____*%ebx): New macro.
  (mov____0x8(%ebp),%ebp): New macro.
  (mov____0x8(%ebp),%esp): New macro.
* include/setjmp.h (jmp_buf): Redefine as struct.
* lib/libc-mes+tcc.c (longjmp, setjmp): Implement.
* scaffold/tests/80-setjmp.c: Test it.
* make.scm ("80-setjmp"): Build it.
* .gitignore: Ignore *.tcc-guile.
2017-11-26 13:10:46 +01:00

49 lines
1.2 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* 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.
*
* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MES_SETJMP_H
#define __MES_SETJMP_H 1
#if __GNUC__ && POSIX
#undef __MES_SETJMP_H
#include_next <setjmp.h>
#else // ! (__GNUC__ && POSIX)
typedef struct
{
int __bp;
int __pc;
int __sp;
} __jmp_buf;
typedef __jmp_buf jmp_buf[1];
#if __MESC__
__jmp_buf buf[1];
#else
jmp_buf buf;
#endif
void longjmp (jmp_buf env, int val);
int setjmp (jmp_buf env);
#endif // ! (__GNUC__ && POSIX)
#endif // __MES_SETJMP_H