glibc/sysdeps/mips/bsd-setjmp.S
2001-07-06 04:56:23 +00:00

43 lines
1.4 KiB
ArmAsm

/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. MIPS version.
Copyright (C) 1996, 1997, 2000 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. */
#include <sysdep.h>
#ifdef __PIC__
.option pic2
#endif
ENTRY (setjmp)
.set noreorder
#ifdef __PIC__
.cpload t9
.set reorder
la t9, C_SYMBOL_NAME (__sigsetjmp)
#endif
li a1, 1 /* Pass a second argument of one. */
#ifdef __PIC__
jr t9
#else
j C_SYMBOL_NAME (__sigsetjmp)
#endif
.end setjmp