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author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:06:41 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:06:41 +0000 |
commit | e64ac02c24b43659048622714afdc92fedf561fa (patch) | |
tree | 37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/alpha/jmpbuf-unwind.h | |
parent | a20c2b3c87aebc7d4b090c622d36480263b80042 (diff) | |
download | glibc-e64ac02c24b43659048622714afdc92fedf561fa.tar.gz glibc-e64ac02c24b43659048622714afdc92fedf561fa.tar.xz glibc-e64ac02c24b43659048622714afdc92fedf561fa.zip |
Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/alpha/jmpbuf-unwind.h')
-rw-r--r-- | ports/sysdeps/alpha/jmpbuf-unwind.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/jmpbuf-unwind.h b/ports/sysdeps/alpha/jmpbuf-unwind.h new file mode 100644 index 0000000000..3cfda166b7 --- /dev/null +++ b/ports/sysdeps/alpha/jmpbuf-unwind.h @@ -0,0 +1,47 @@ +/* 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) |