From 8dd9c51eb2f6c5dc659b426dc3bd114751adb405 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 31 Jan 2002 15:49:34 +0000 Subject: Fixup setjmp and longjmp so they behave themselves properly now on both x86 and arm... -Erik --- libc/sysdeps/linux/arm/bsd-_setjmp.S | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 libc/sysdeps/linux/arm/bsd-_setjmp.S (limited to 'libc/sysdeps/linux/arm/bsd-_setjmp.S') diff --git a/libc/sysdeps/linux/arm/bsd-_setjmp.S b/libc/sysdeps/linux/arm/bsd-_setjmp.S new file mode 100644 index 000000000..7f092c18b --- /dev/null +++ b/libc/sysdeps/linux/arm/bsd-_setjmp.S @@ -0,0 +1,34 @@ +/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. ARM version. + Copyright (C) 1997, 1998 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This just does a tail-call to `__sigsetjmp (ARG, 1)'. + We cannot do it in C because it must be a tail-call, so frame-unwinding + in setjmp doesn't clobber the state restored by longjmp. */ + +#define _SETJMP_H +#define _ASM +#include + +.globl _setjmp; +.type _setjmp,%function +.align 4; +_setjmp: + mov r1, #0 + b __sigsetjmp (PLT) +.size _setjmp,.-_setjmp; -- cgit v1.2.3