glibc/sysdeps/s390/s390-64/setjmp.S
2012-02-09 23:18:22 +00:00

54 lines
1.7 KiB
ArmAsm

/* Copyright (C) 2001, 2005 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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, see
<http://www.gnu.org/licenses/>. */
#ifndef _ASM
#define _ASM
#endif
#include <sysdep.h>
#include <bits/setjmp.h>
/* Save the current program position in ENV and return 0. */
/* R2 = pointer to jmp_buf, R3 = savemask. */
ENTRY(__sigsetjmp)
#ifdef PTR_MANGLE
stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */
lgr %r4,%r14
lgr %r5,%r15
PTR_MANGLE (%r4, %r1)
PTR_MANGLE2 (%r5, %r1)
stmg %r4,%r5,64(%r2)
#else
stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */
#endif
std %f1,80(%r2)
std %f3,88(%r2)
std %f5,96(%r2)
std %f7,104(%r2)
#if defined NOT_IN_libc && defined IS_IN_rtld
/* In ld.so we never save the signal mask. */
lghi %r2,0
br %r14
#elif defined PIC
jg __sigjmp_save@PLT /* Tail-call __sigjmp_save. */
#else
jg __sigjmp_save /* Tail-call __sigjmp_save. */
#endif
END (__sigsetjmp)