glibc/sysdeps/mips/mips64/bsd-_setjmp.S
Jakub Jelinek 0ecb606cb6 2.5-18.1
2007-07-12 18:26:36 +00:00

50 lines
1.6 KiB
ArmAsm

/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. MIPS64 version.
Copyright (C) 1996, 1997, 2000, 2002, 2003, 2004
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, 0)'.
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. */
#include <sgidefs.h>
#include <sysdep.h>
#include <sys/asm.h>
#ifdef __PIC__
.option pic2
#endif
ENTRY (_setjmp)
#ifdef __PIC__
SETUP_GP
#endif
SETUP_GP64 (v0, C_SYMBOL_NAME (_setjmp))
PTR_LA t9, C_SYMBOL_NAME (__sigsetjmp)
#if _MIPS_SIM == _ABIO32
nop
#endif
RESTORE_GP64
move a1, zero /* Pass a second argument of zero. */
#ifdef __PIC__
jr t9
#else
j C_SYMBOL_NAME (__sigsetjmp)
#endif
.end _setjmp
libc_hidden_def (_setjmp)