diff options
Diffstat (limited to 'sysdeps/i386/__longjmp.c')
-rw-r--r-- | sysdeps/i386/__longjmp.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sysdeps/i386/__longjmp.c b/sysdeps/i386/__longjmp.c deleted file mode 100644 index 65d6ec18ec..0000000000 --- a/sysdeps/i386/__longjmp.c +++ /dev/null @@ -1,66 +0,0 @@ -/* Copyright (C) 1991, 1992, 1994, 1995 Free Software Foundation, Inc. -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#ifndef __GNUC__ - #error This file uses GNU C extensions; you must compile with GCC. -#endif - -/* Put these global register declarations first, because we get an error if - they come after any function definition, including inlines which might - be in some header. */ - -#define REGS \ - REG (bx);\ - REG (si);\ - REG (di);\ - REG (bp);\ - REG (sp) - -#define REG(xx) register long int xx asm (#xx) -REGS; -#undef REG - -#include <ansidecl.h> -#include <errno.h> -#include <setjmp.h> -#include <stdlib.h> - -/* Jump to the position specified by ENV, causing the - setjmp call there to return VAL, or 1 if VAL is 0. */ -void -DEFUN(__longjmp, (env, val), - __jmp_buf env AND int val) -{ - /* We specify explicit registers because, when not optimizing, - the compiler will generate code that uses the frame pointer - after it's been munged. */ - - register CONST __typeof (env[0]) *e asm ("cx"); - register int v asm ("ax"); - - e = env; - v = val == 0 ? 1 : val; - -#define REG(xx) xx = (long int) e->__##xx - REGS; - - asm volatile ("jmp %*%0" : : "g" (e->__pc), "a" (v)); - - /* NOTREACHED */ - abort (); -} |