* 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.

11 files changed, 149 insertions, 26 deletions

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)