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authorJakub Jelinek <jakub@redhat.com>2006-01-30 09:30:09 +0000
committerJakub Jelinek <jakub@redhat.com>2006-01-30 09:30:09 +0000
commit3e543bc56346540cbf73fd48d0172fc6a588efd5 (patch)
treeb2c3502b6596d238ac861cc82cafdc6f8b84e143 /sysdeps/powerpc/jmpbuf-unwind.h
parent06f313e361a523605ba6d4c9cdc67a7353cd367c (diff)
Updated to fedora-glibc-20060130T0922
Diffstat (limited to 'sysdeps/powerpc/jmpbuf-unwind.h')
-rw-r--r--sysdeps/powerpc/jmpbuf-unwind.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/powerpc/jmpbuf-unwind.h b/sysdeps/powerpc/jmpbuf-unwind.h
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+++ b/sysdeps/powerpc/jmpbuf-unwind.h
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+/* 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 <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_GPR1]))
+
+#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_GPR1];
+#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)