glibc/sysdeps/sparc/setjmp.S
1995-02-18 01:27:10 +00:00

32 lines
1.3 KiB
ArmAsm

/* Copyright (C) 1991, 1993, 1994 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. */
#include <sysdep.h>
/* NOTE: This code depends on the definition of `__jmp_buf' in <jmp_buf.h>. */
ENTRY (__sigsetjmp)
/* Save our return PC and SP (second store in the jmp delay slot). */
st %o7, [%o0]
/* Save the signal mask if requested. We do this as a tail-call
for simplicity; it always returns zero. */
sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g1
or %lo(C_SYMBOL_NAME (__sigjmp_save)), %g1, %g1
jmp %g1
st %sp, [%o0 + 4]