glibc/sysdeps/s390/s390-32/__longjmp.c
Ulrich Drepper 305bb37e1e * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PTR_MANGLE,
PTR_MANGLE2, PTR_DEMANGLE, PTR_DEMANGLE2): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PTR_MANGLE,
	PTR_MANGLE2, PTR_DEMANGLE, PTR_DEMANGLE2): Define.
	* sysdeps/unix/sysv/linux/sparc/bits/setjmp.h [__WORDSIZE == 64]
	(_JMPBUF_UNWINDS): Don't demangle uc_mcontext.mc_fp.
	* sysdeps/sparc/sparc32/setjmp.S (__sigsetjmp): Mangle %fp, %sp
	and %o7.
	* sysdeps/sparc/sparc32/__longjmp.S (__longjmp): Demangle %fp, %sp
	and %o7.

2006-01-02  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PTR_MANGLE2):
	Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PTR_MANGLE2):
	Likewise.
	* sysdeps/s390/s390-32/__longjmp.c (__longjmp): Demangle also %r15.
	* sysdeps/s390/s390-64/__longjmp.c (__longjmp): Likewise.
	* sysdeps/s390/s390-32/setjmp.S (__sigsetjmp): Mangle also %r15.
	* sysdeps/s390/s390-32/elf/setjmp.S (__sigsetjmp): Likewise.
	* sysdeps/s390/s390-64/setjmp.S (__sigsetjmp): Likewise.
	* sysdeps/s390/s390-64/elf/setjmp.S (__sigsetjmp): Likewise.

	* sysdeps/s390/bits/setjmp.h (__jmp_buf): Add __s390_jmp_buf
	struct tag to make C++ happy.

2006-01-02  Ulrich Drepper  <drepper@redhat.com>

	* posix/Makefile ($(objpfx)annexc.out): Move -I.. to the end of
	the include list.
2006-01-02 20:57:43 +00:00

62 lines
1.9 KiB
C

/* Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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. */
#include <errno.h>
#include <sysdep.h>
#include <setjmp.h>
#include <bits/setjmp.h>
#include <stdlib.h>
#include <unistd.h>
/* Jump to the position specified by ENV, causing the
setjmp call there to return VAL, or 1 if VAL is 0. */
void
__longjmp (__jmp_buf env, int val)
{
register int r2 __asm ("%r2") = val == 0 ? 1 : val;
#ifdef PTR_DEMANGLE
register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
register void *r1 __asm ("%r1") = (void *) env;
#endif
/* Restore registers and jump back. */
asm volatile ("ld %%f6,48(%1)\n\t"
"ld %%f4,40(%1)\n\t"
#ifdef PTR_DEMANGLE
"lm %%r6,%%r13,0(%1)\n\t"
"lm %%r4,%%r5,32(%1)\n\t"
"xr %%r4,%2\n\t"
"xr %%r5,%2\n\t"
"lr %%r15,%%r5\n\t"
"br %%r4"
#else
"lm %%r6,%%r15,0(%1)\n\t"
"br %%r14"
#endif
: : "r" (r2),
#ifdef PTR_DEMANGLE
"r" (r1), "r" (r3)
#else
"a" (env)
#endif
);
/* Avoid `volatile function does return' warnings. */
for (;;);
}