* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h

	(PTR_MANGLE): Fix cast.

	* sysdeps/alpha/bits/setjmp.h (_JMPBUF_UNWINDS): Take third argument
	DEMANGLE, and pass SP value through it.
	* sysdeps/hppa/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/i386/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/m68k/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/mips/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/powerpc/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/s390/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/sh/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/sparc/sparc32/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/setjmp.h: Likewise.
	* sysdeps/x86_64/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
	* hurd/sigunwind.c (_hurdsig_longjmp_from_handler): Pass inline
	demangler function to _JMPBUF_UNWINDS.
	* sysdeps/mach/hurd/jmp-unwind.c (demangle_ptr): New function.
	(_longjmp_unwind): Pass it to _JMPBUF_UNWINDS.

27 files changed, 231 insertions, 69 deletions

diff --git a/ChangeLog b/ChangeLog
index b0577c701b..a2d062ebe4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,26 @@
 2005-12-27  Roland McGrath  <roland@redhat.com>
 
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+	(PTR_MANGLE): Fix cast.
+
+	* sysdeps/alpha/bits/setjmp.h (_JMPBUF_UNWINDS): Take third argument
+	DEMANGLE, and pass SP value through it.
+	* sysdeps/hppa/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/i386/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/m68k/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/mips/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/powerpc/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/s390/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/sh/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/sparc/sparc32/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/bits/setjmp.h: Likewise.
+	* sysdeps/x86_64/bits/setjmp.h (_JMPBUF_UNWINDS): Likewise.
+	* hurd/sigunwind.c (_hurdsig_longjmp_from_handler): Pass inline
+	demangler function to _JMPBUF_UNWINDS.
+	* sysdeps/mach/hurd/jmp-unwind.c (demangle_ptr): New function.
+	(_longjmp_unwind): Pass it to _JMPBUF_UNWINDS.
+
 	* posix/tst-execle1.c (do_test): Add a const.
 	* posix/tst-execle2.c (do_test): Likewise.
 
diff --git a/hurd/sigunwind.c b/hurd/sigunwind.c
index 2231518bd0..f6cb55454e 100644
--- a/hurd/sigunwind.c
+++ b/hurd/sigunwind.c
@@ -70,11 +70,19 @@ _hurdsig_longjmp_from_handler (void *data, jmp_buf env, int val)
 
       struct hurd_userlink *link;
 
+      inline uintptr_t demangle_ptr (uintptr_t x)
+	{
+# ifdef PTR_DEMANGLE
+	  PTR_DEMANGLE (x);
+# endif
+	  return x;
+	}
+
       /* Continue _longjmp_unwind's job of running the unwind
 	 forms for frames being unwound, since we will not
 	 return to its loop like this one, which called us.  */
       for (link = ss->active_resources;
-	   link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link);
+	   link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link, demangle_ptr);
 	   link = link->thread.next)
 	if (_hurd_userlink_unlink (link))
 	  {
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 14307c5140..137203ad9c 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,17 @@
+2005-12-27  Roland McGrath  <roland@redhat.com>
+
+	* sysdeps/x86_64/jmpbuf-unwind.h (_jmpbuf_sp): New inline function.
+	(_JMPBUF_UNWINDS_ADJ): Use it, to PTR_DEMANGLE before comparison.
+	* sysdeps/alpha/jmpbuf-unwind.h: Likewise.
+	* sysdeps/i386/jmpbuf-unwind.h: Likewise.
+	* sysdeps/mips/jmpbuf-unwind.h: Likewise.
+	* sysdeps/powerpc/jmpbuf-unwind.h: Likewise.
+	* sysdeps/s390/jmpbuf-unwind.h: Likewise.
+	* sysdeps/sh/jmpbuf-unwind.h: Likewise.
+	* sysdeps/sparc/sparc32/jmpbuf-unwind.h: Likewise.
+	* sysdeps/sparc/sparc64/jmpbuf-unwind.h: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h: Likewise.
+
 2005-12-27  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h: Add __next
diff --git a/nptl/sysdeps/alpha/jmpbuf-unwind.h b/nptl/sysdeps/alpha/jmpbuf-unwind.h
index 5cef8b1cf5..83b7a01a0e 100644
--- a/nptl/sysdeps/alpha/jmpbuf-unwind.h
+++ b/nptl/sysdeps/alpha/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)
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)
diff --git a/nptl/sysdeps/mips/jmpbuf-unwind.h b/nptl/sysdeps/mips/jmpbuf-unwind.h
index 67cc969663..9ee03100e6 100644
--- a/nptl/sysdeps/mips/jmpbuf-unwind.h
+++ b/nptl/sysdeps/mips/jmpbuf-unwind.h
@@ -19,12 +19,23 @@
 #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[0].__sp;
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].__sp - (_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)
diff --git a/nptl/sysdeps/powerpc/jmpbuf-unwind.h b/nptl/sysdeps/powerpc/jmpbuf-unwind.h
index 0b817160d3..d9090a591d 100644
--- a/nptl/sysdeps/powerpc/jmpbuf-unwind.h
+++ b/nptl/sysdeps/powerpc/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_GPR1];
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_GPR1] - (_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)
diff --git a/nptl/sysdeps/s390/jmpbuf-unwind.h b/nptl/sysdeps/s390/jmpbuf-unwind.h
index 9f7e1ad583..81fa582540 100644
--- a/nptl/sysdeps/s390/jmpbuf-unwind.h
+++ b/nptl/sysdeps/s390/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.
 
@@ -21,6 +21,7 @@
 #include <stdint.h>
 #include <unwind.h>
 #include <bits/wordsize.h>
+#include <sysdep.h>
 
 /* On s390{,x}, CFA is always 96 (resp. 160) bytes above actual
    %r15.  */
@@ -29,9 +30,18 @@
 		       (void *) (_Unwind_GetCFA (_context)	\
 				 - 32 - 2 * __WORDSIZE), _adj)
 
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj)		\
-  ((uintptr_t) (_address) - (_adj)				\
-   < (uintptr_t) (_jmpbuf)->__gregs[__JB_GPR15] - (_adj))
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs)
+{
+  uintptr_t sp = regs[0].__gregs[__JB_GPR15];
+#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)
diff --git a/nptl/sysdeps/sh/jmpbuf-unwind.h b/nptl/sysdeps/sh/jmpbuf-unwind.h
index cf6d25f041..3ef178b4d6 100644
--- a/nptl/sysdeps/sh/jmpbuf-unwind.h
+++ b/nptl/sysdeps/sh/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)
 
-#define _JMPBUF_UNWINDS_ADJ(jmpbuf, address, adj) \
-  ((uintptr_t) (address) - (adj) < (uintptr_t) (jmpbuf)[0].__regs[7] - (adj))
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs)
+{
+  uintptr_t sp = regs[0].__regs[7];
+#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 lobngjmp for unwinding.  */
 #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h b/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h
index 5cef8b1cf5..83b7a01a0e 100644
--- a/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h
+++ b/nptl/sysdeps/sparc/sparc32/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)
diff --git a/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
index 77321aad3f..7752fe971e 100644
--- a/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
+++ b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
@@ -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[0].uc_mcontext.mc_fp;
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_fp - (_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)
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
index c6ef5f7fbd..61411bdaa4 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/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.
 
@@ -21,12 +21,23 @@
 #include <stdint.h>
 #include <unwind.h>
 
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  ({ uintptr_t _cfa = (uintptr_t) _Unwind_GetCFA (_context) - (_adj);	\
-     (_cfa < (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj)		\
-      || (_cfa == (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj)		\
-	  && (uintptr_t) _Unwind_GetBSP (_context) - (_adj)		\
-	     >= (uintptr_t)(((long *)(_jmpbuf))[17]) - (_adj)));	\
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs, int i)
+{
+  uintptr_t sp = ((unsigned long int *) regs)[i];
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj)		      \
+  ({ uintptr_t _cfa = (uintptr_t) _Unwind_GetCFA (_context) - (_adj);	      \
+    (_cfa < _jmpbuf_sp (_jmpbuf, 0) - (_adj)				      \
+     || (_cfa == (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj)		      \
+	 && ((uintptr_t) _Unwind_GetBSP (_context) - (_adj)		      \
+	     >= _jmpbuf_sp (_jmpbuf, 17) - (_adj))));			      \
   })
 
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
diff --git a/nptl/sysdeps/x86_64/jmpbuf-unwind.h b/nptl/sysdeps/x86_64/jmpbuf-unwind.h
index 345ed557c5..1a36c53d11 100644
--- a/nptl/sysdeps/x86_64/jmpbuf-unwind.h
+++ b/nptl/sysdeps/x86_64/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_RSP];
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_RSP] - (_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)
diff --git a/sysdeps/alpha/bits/setjmp.h b/sysdeps/alpha/bits/setjmp.h
index c603a35554..71b7738c37 100644
--- a/sysdeps/alpha/bits/setjmp.h
+++ b/sysdeps/alpha/bits/setjmp.h
@@ -1,5 +1,5 @@
 /* Define the machine-dependent type `jmp_buf'.  Alpha version.
-   Copyright (C) 1992, 1997, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1997, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -80,8 +80,8 @@ typedef long int __jmp_buf[17];
 
 /* Test if longjmp to JMPBUF would unwind the frame containing a local
    variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(_jmpbuf, _address)				\
-     ((void *)(_address) < (void *)((_jmpbuf)[JB_SP]))
+#define _JMPBUF_UNWINDS(_jmpbuf, _address, _demangle) \
+  ((void *)(_address) < (void *) _demangle ((_jmpbuf)[JB_SP]))
 #endif
 
 #endif  /* bits/setjmp.h */
diff --git a/sysdeps/hppa/bits/setjmp.h b/sysdeps/hppa/bits/setjmp.h
index 4395b8f562..07ea01eb97 100644
--- a/sysdeps/hppa/bits/setjmp.h
+++ b/sysdeps/hppa/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -39,7 +39,8 @@ typedef double __jmp_buf[21];
 
 /* Test if longjmp to JMPBUF would unwind the frame containing a local
    variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(_jmpbuf, _address)				\
-     ((void *)(_address) > (void *)(((unsigned long *) _jmpbuf)[JB_SP]))
+#define _JMPBUF_UNWINDS(_jmpbuf, _address, _demangle)			\
+  ((void *) (_address) >						\
+   (void *) _demangle ((((unsigned long *) _jmpbuf)[JB_SP])))
 
 #endif	/* bits/setjmp.h */
diff --git a/sysdeps/i386/bits/setjmp.h b/sysdeps/i386/bits/setjmp.h
index 107fe58b35..d99a726ba3 100644
--- a/sysdeps/i386/bits/setjmp.h
+++ b/sysdeps/i386/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2000, 2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -40,7 +40,7 @@ typedef int __jmp_buf[6];
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[JB_SP])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+  ((void *) (address) < (void *) demangle ((jmpbuf)[JB_SP]))
 
 #endif	/* bits/setjmp.h */
diff --git a/sysdeps/m68k/bits/setjmp.h b/sysdeps/m68k/bits/setjmp.h
index 193eec3509..612582af26 100644
--- a/sysdeps/m68k/bits/setjmp.h
+++ b/sysdeps/m68k/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -44,7 +44,7 @@ typedef struct
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)->__sp)
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)		\
+  ((void *) (address) < (void *) demangle ((jmpbuf)->__sp))
 
 #endif	/* bits/setjmp.h */
diff --git a/sysdeps/mach/hurd/jmp-unwind.c b/sysdeps/mach/hurd/jmp-unwind.c
index 4624ad9e26..0c9700b739 100644
--- a/sysdeps/mach/hurd/jmp-unwind.c
+++ b/sysdeps/mach/hurd/jmp-unwind.c
@@ -1,5 +1,5 @@
 /* _longjmp_unwind -- Clean up stack frames unwound by longjmp.  Hurd version.
-   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -28,6 +28,15 @@
 #error "<bits/setjmp.h> fails to define _JMPBUF_UNWINDS"
 #endif
 
+static inline uintptr_t
+demangle_ptr (uintptr_t x)
+{
+# ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (x);
+# endif
+  return x;
+}
+
 /* This function is called by `longjmp' (with its arguments) to restore
    active resources to a sane state before the frames code using them are
    jumped out of.  */
@@ -46,7 +55,7 @@ _longjmp_unwind (jmp_buf env, int val)
 
   /* Remove local signal preemptors being unwound past.  */
   while (ss->preemptors &&
-	 _JMPBUF_UNWINDS (env[0].__jmpbuf, ss->preemptors))
+	 _JMPBUF_UNWINDS (env[0].__jmpbuf, ss->preemptors, demangle_ptr))
     ss->preemptors = ss->preemptors->next;
 
   __spin_unlock (&ss->lock);
@@ -56,7 +65,7 @@ _longjmp_unwind (jmp_buf env, int val)
      in stack frames being unwound by this jump.  */
 
   for (link = ss->active_resources;
-       link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link);
+       link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link, demangle_ptr);
        link = link->thread.next)
     /* Remove this link from the resource's users list,
        since the frame using the resource is being unwound.
diff --git a/sysdeps/mips/bits/setjmp.h b/sysdeps/mips/bits/setjmp.h
index 74caae8cba..5f7c82b864 100644
--- a/sysdeps/mips/bits/setjmp.h
+++ b/sysdeps/mips/bits/setjmp.h
@@ -80,7 +80,7 @@ typedef struct
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[0].__sp)
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)		\
+  ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp))
 
 #endif /* _MIPS_BITS_SETJMP_H */
diff --git a/sysdeps/powerpc/bits/setjmp.h b/sysdeps/powerpc/bits/setjmp.h
index 3134916a51..6b35fb440b 100644
--- a/sysdeps/powerpc/bits/setjmp.h
+++ b/sysdeps/powerpc/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2000, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -74,7 +74,7 @@ typedef long int __jmp_buf[64 + (12 * 4)] __attribute__ ((__aligned__ (16)));
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[JB_GPR1])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)			\
+  ((void *) (address) < (void *) demangle ((jmpbuf)[JB_GPR1]))
 
 #endif  /* bits/setjmp.h */
diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h
index 4009514763..01533ca367 100644
--- a/sysdeps/s390/bits/setjmp.h
+++ b/sysdeps/s390/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2002, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -57,7 +57,7 @@ typedef struct {
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)->__gregs[__JB_GPR15])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)			\
+  ((void *) (address) < (void *) demangle ((jmpbuf)->__gregs[__JB_GPR15]))
 
 #endif /* __S390_SETJMP_H__ */
diff --git a/sysdeps/sh/bits/setjmp.h b/sysdeps/sh/bits/setjmp.h
index 242720ca53..8ebb5c598e 100644
--- a/sysdeps/sh/bits/setjmp.h
+++ b/sysdeps/sh/bits/setjmp.h
@@ -50,7 +50,7 @@ typedef struct
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[0].__regs[7])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)		\
+  ((void *) (address) < (void *) demangle ((jmpbuf)[0].__regs[7]))
 
 #endif  /* bits/setjmp.h */
diff --git a/sysdeps/sparc/sparc32/bits/setjmp.h b/sysdeps/sparc/sparc32/bits/setjmp.h
index 76d7af02c7..12250d6980 100644
--- a/sysdeps/sparc/sparc32/bits/setjmp.h
+++ b/sysdeps/sparc/sparc32/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -34,5 +34,5 @@ typedef int __jmp_buf[3];
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((int) (address) < (jmpbuf)[JB_SP])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+  ((int) (address) < demangle ((jmpbuf)[JB_SP]))
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h b/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
index 76625753d9..07d4d80958 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
@@ -1,5 +1,5 @@
 /* Define the machine-dependent type `jmp_buf'.  Linux/IA-64 version.
-   Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
@@ -34,7 +34,7 @@ typedef long __jmp_buf[_JBLEN] __attribute__ ((aligned (16))); /* guarantees 128
 
 /* Test if longjmp to JMPBUF would unwind the frame containing a local
    variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(_jmpbuf, _address)		\
-     ((void *)(_address) < (void *)(((long *)_jmpbuf)[0]))
+#define _JMPBUF_UNWINDS(_jmpbuf, _address, _demangle) \
+  ((void *) (_address) < (void *) demangle (((long int *) _jmpbuf)[0]))
 
 #endif  /* bits/setjmp.h */
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 546e712edc..d3cd45ce99 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -183,7 +183,7 @@
 #  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
 # else
 #  define PTR_MANGLE(var) \
-  (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
+  (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
 #  define PTR_DEMANGLE(var)	PTR_MANGLE (var)
 # endif
 #endif
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
index dac9ac5cba..45aa2655ee 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1999,2000,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1999,2000,2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -59,8 +59,8 @@ typedef struct __sparc64_jmp_buf
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)			\
+  ((unsigned long int) (address) < demangle ((jmpbuf)->uc_mcontext.mc_fp))
 
 #else
 
@@ -76,8 +76,8 @@ typedef int __jmp_buf[3];
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((int) (address) < (jmpbuf)[JB_SP])
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)	\
+  ((int) (address) < demangle ((jmpbuf)[JB_SP]))
 
 #endif
 
diff --git a/sysdeps/x86_64/bits/setjmp.h b/sysdeps/x86_64/bits/setjmp.h
index 96646efdda..1031d5027b 100644
--- a/sysdeps/x86_64/bits/setjmp.h
+++ b/sysdeps/x86_64/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -67,11 +67,11 @@ typedef int __jmp_buf[6];
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
 # if __WORDSIZE == 64
-#  define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[JB_RSP])
+#  define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+  ((void *) (address) < (void *) demangle ((jmpbuf)[JB_RSP]))
 # else
-#  define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[JB_SP])
+#  define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+  ((void *) (address) < (void *) demangle ((jmpbuf)[JB_SP]))
 # endif
 #endif