aboutsummaryrefslogtreecommitdiff
path: root/nptl/sysdeps/i386/jmpbuf-unwind.h
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/sysdeps/i386/jmpbuf-unwind.h')
-rw-r--r--nptl/sysdeps/i386/jmpbuf-unwind.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/nptl/sysdeps/i386/jmpbuf-unwind.h b/nptl/sysdeps/i386/jmpbuf-unwind.h
index 5cef8b1cf5..83b7a01a0e 100644
--- a/nptl/sysdeps/i386/jmpbuf-unwind.h
+++ b/nptl/sysdeps/i386/jmpbuf-unwind.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -20,12 +20,23 @@
#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_SP];
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (sp);
+#endif
+ return sp;
+}
+
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
- ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
+ ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
/* We use the normal lobngjmp for unwinding. */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)