Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/ports/sysdeps/alpha/jmpbuf-unwind.h
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
47 lines (38 sloc)
1.69 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* 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, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <setjmp.h> | |
#include <jmpbuf-offsets.h> | |
#include <stdint.h> | |
#include <unwind.h> | |
#include <sysdep.h> | |
/* Test if longjmp to JMPBUF would unwind the frame containing a local | |
variable at ADDRESS. */ | |
#define _JMPBUF_UNWINDS(_jmpbuf, _address, _demangle) \ | |
((void *)(_address) < (void *) _demangle ((_jmpbuf)[JB_SP])) | |
#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_SP]; | |
#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) |