glibc/sysdeps/arm/__longjmp.S

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/* longjmp for ARM.
Copyright (C) 1997 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
#define _SETJMP_H
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#define _ASM
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#include <bits/setjmp.h>
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/* __longjmp(jmpbuf, val) */
ENTRY (__longjmp)
movs r2, r0
movs r0, r1 /* get the return value in place */
moveq r1, #1 /* can't let setjmp() return zero! */
#if __ARM_USES_FP
add r2, r2, #48
lfmfd f4, 4, [r2]
#endif
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LOADREGS(ia, r2, {v1-v6, sl, fp, sp, pc})
END (__longjmp)