glibc/sysdeps/x86_64/jmpbuf-unwind.h
Roland McGrath de59a29179 * sysdeps/alpha/jmpbuf-unwind.h: New file, moved from nptl/.
* sysdeps/i386/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/mips/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/powerpc/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/s390/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/sh/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/sparc/sparc32/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/sparc/sparc64/jmpbuf-unwind.h: New file, moved from nptl/.
	* sysdeps/x86_64/jmpbuf-unwind.h: New file, moved from nptl/.
2006-01-10 08:23:51 +00:00

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1.5 KiB
C

/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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 <setjmp.h>
#include <stdint.h>
#include <unwind.h>
#include <sysdep.h>
#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
_JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
static inline uintptr_t __attribute__ ((unused))
_jmpbuf_sp (__jmp_buf regs)
{
uintptr_t sp = regs[JB_RSP];
#ifdef PTR_DEMANGLE
PTR_DEMANGLE (sp);
#endif
return sp;
}
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
/* We use the normal longjmp for unwinding. */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)