Updated to fedora-glibc-20051220T1028

3 files changed, 44 insertions, 4 deletions

diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
index 7922e81bea..aa18fadf9c 100644
--- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -101,6 +101,9 @@ LEAF(__longjmp)
 	ld8.nta r18=[r2],16		// b2
 	ld8.nta r19=[r3],16		// b3
 	;;
+#ifdef PTR_DEMANGLE
+	PTR_DEMANGLE (r16, r24)
+#endif
 	ld8.nta r20=[r2],16		// b4
 	ld8.nta r21=[r3],16		// b5
 	;;
diff --git a/sysdeps/unix/sysv/linux/ia64/setjmp.S b/sysdeps/unix/sysv/linux/ia64/setjmp.S
index 9c987c7ef8..53f80d203e 100644
--- a/sysdeps/unix/sysv/linux/ia64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/setjmp.S
@@ -1,4 +1,5 @@
-/* Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005
+   Free Software Foundation, Inc.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -86,7 +87,7 @@ libc_hidden_def (_setjmp)
 
 ENTRY(__sigsetjmp)
 	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
-	alloc loc1=ar.pfs,2,3,2,0
+	alloc loc1=ar.pfs,2,5,2,0
 	.save ar.unat, loc2
 	mov loc2=ar.unat
 	;;
@@ -140,7 +141,13 @@ ENTRY(__sigsetjmp)
 	;;
 	stf.spill.nta [r8]=f28,32
 	stf.spill.nta [r9]=f29,32
+#ifdef PTR_MANGLE
+	mov loc3=loc0
 	;;
+	PTR_MANGLE (loc3, loc4)
+#else
+	;;
+#endif
 	stf.spill.nta [r8]=f30
 	stf.spill.nta [r9]=f31
 
@@ -151,7 +158,11 @@ ENTRY(__sigsetjmp)
 	mov r25=ar.unat
 	mov out0=in0
 
+#ifdef PTR_MANGLE
+	st8.nta [r2]=loc3,16		// b0
+#else
 	st8.nta [r2]=loc0,16		// b0
+#endif
 	st8.nta [r3]=r17,16		// b1
 	mov out1=in1
 	;;
@@ -169,7 +180,12 @@ ENTRY(__sigsetjmp)
 	;;
 	st8.nta [r2]=r25		// ar.unat
 	st8.nta [r3]=in0		// &__jmp_buf
+#if defined NOT_IN_libc && defined IS_IN_rtld
+	/* In ld.so we never save the signal mask.  */
+	;;
+#else
 	br.call.dpnt.few rp=__sigjmp_save
+#endif
 .ret0:					// force a new bundle ::q
 	mov.m ar.unat=loc2		// restore caller's unat
 	mov rp=loc0
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h
index a4453ddcc7..ef7bc8e136 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
    Based on code originally written by David Mosberger-Tang
@@ -360,4 +361,24 @@
 
 #endif /* not __ASSEMBLER__ */
 
+/* Pointer mangling support.  */
+#if defined NOT_IN_libc && defined IS_IN_rtld
+/* We cannot use the thread descriptor because in ld.so we use setjmp
+   earlier than the descriptor is initialized.  */
+#else
+# ifdef __ASSEMBLER__
+#  define PTR_MANGLE(reg, tmpreg) \
+        add	tmpreg=-16,r13		\
+        ;;				\
+        ld8	tmpreg=[tmpreg]		\
+        ;;				\
+        xor	reg=reg, tmpreg
+#  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
+# else
+#  define PTR_MANGLE(var) \
+  (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
+#  define PTR_DEMANGLE(var)	PTR_MANGLE (var)
+# endif
+#endif
+
 #endif /* linux/ia64/sysdep.h */