* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PTR_MANGLE, cvs/fedora-glibc-20060102T2114

	PTR_MANGLE2, PTR_DEMANGLE, PTR_DEMANGLE2): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PTR_MANGLE,
	PTR_MANGLE2, PTR_DEMANGLE, PTR_DEMANGLE2): Define.
	* sysdeps/unix/sysv/linux/sparc/bits/setjmp.h [__WORDSIZE == 64]
	(_JMPBUF_UNWINDS): Don't demangle uc_mcontext.mc_fp.
	* sysdeps/sparc/sparc32/setjmp.S (__sigsetjmp): Mangle %fp, %sp
	and %o7.
	* sysdeps/sparc/sparc32/__longjmp.S (__longjmp): Demangle %fp, %sp
	and %o7.

2006-01-02  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PTR_MANGLE2):
	Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PTR_MANGLE2):
	Likewise.
	* sysdeps/s390/s390-32/__longjmp.c (__longjmp): Demangle also %r15.
	* sysdeps/s390/s390-64/__longjmp.c (__longjmp): Likewise.
	* sysdeps/s390/s390-32/setjmp.S (__sigsetjmp): Mangle also %r15.
	* sysdeps/s390/s390-32/elf/setjmp.S (__sigsetjmp): Likewise.
	* sysdeps/s390/s390-64/setjmp.S (__sigsetjmp): Likewise.
	* sysdeps/s390/s390-64/elf/setjmp.S (__sigsetjmp): Likewise.

	* sysdeps/s390/bits/setjmp.h (__jmp_buf): Add __s390_jmp_buf
	struct tag to make C++ happy.

2006-01-02  Ulrich Drepper  <drepper@redhat.com>

	* posix/Makefile ($(objpfx)annexc.out): Move -I.. to the end of
	the include list.

14 files changed, 131 insertions, 38 deletions

diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h
index 01533ca367..37f600d0ad 100644
--- a/sysdeps/s390/bits/setjmp.h
+++ b/sysdeps/s390/bits/setjmp.h
@@ -40,7 +40,7 @@
 
 #ifndef	_ASM
 
-typedef struct {
+typedef struct __s390_jmp_buf {
     /* We save registers 6-15.  */
     long int __gregs[10];
 
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
index 07814e080a..c47ebbc52a 100644
--- a/sysdeps/s390/s390-32/__longjmp.c
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -29,24 +29,32 @@
 void
 __longjmp (__jmp_buf env, int val)
 {
+  register int r2 __asm ("%r2") = val == 0 ? 1 : val;
 #ifdef PTR_DEMANGLE
-  register uintptr_t r5 __asm ("%r5") = THREAD_GET_POINTER_GUARD ();
+  register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
+  register void *r1 __asm ("%r1") = (void *) env;
 #endif
   /* Restore registers and jump back.  */
-  asm volatile ("lr   %%r2,%0\n\t"	  /* PUT val in grp 2.  */
-		"ld   %%f6,48(%1)\n\t"
+  asm volatile ("ld   %%f6,48(%1)\n\t"
 		"ld   %%f4,40(%1)\n\t"
-		"lm   %%r6,%%r15,0(%1)\n\t"
 #ifdef PTR_DEMANGLE
-		"xr   %%r14,%2\n\t"
-#endif
+		"lm   %%r6,%%r13,0(%1)\n\t"
+		"lm   %%r4,%%r5,32(%1)\n\t"
+		"xr   %%r4,%2\n\t"
+		"xr   %%r5,%2\n\t"
+		"lr   %%r15,%%r5\n\t"
+		"br   %%r4"
+#else
+		"lm   %%r6,%%r15,0(%1)\n\t"
 		"br   %%r14"
-		: : "r" (val == 0 ? 1 : val),
-		    "a" (env)
+#endif
+		: : "r" (r2),
 #ifdef PTR_DEMANGLE
-		    , "r" (r5)
+		    "r" (r1), "r" (r3)
+#else
+		    "a" (env)
 #endif
-		: "2" );
+		);
 
   /* Avoid `volatile function does return' warnings.  */
   for (;;);
diff --git a/sysdeps/s390/s390-32/elf/setjmp.S b/sysdeps/s390/s390-32/elf/setjmp.S
index f3ca8af6c2..ed28008a56 100644
--- a/sysdeps/s390/s390-32/elf/setjmp.S
+++ b/sysdeps/s390/s390-32/elf/setjmp.S
@@ -49,9 +49,10 @@ ENTRY(__sigsetjmp)
 #ifdef PTR_MANGLE
 	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
 	lr     %r4,%r14
-	PTR_MANGLE (%r4, %r5)
-	st     %r4,32(%r2)
-	st     %r15,36(%r2)
+	lr     %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stm    %r4,%r5,32(%r2)
 #else
 	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
 #endif
diff --git a/sysdeps/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S
index a438595945..b943085e93 100644
--- a/sysdeps/s390/s390-32/setjmp.S
+++ b/sysdeps/s390/s390-32/setjmp.S
@@ -32,9 +32,10 @@ ENTRY(__sigsetjmp)
 #ifdef PTR_MANGLE
 	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
 	lr     %r4,%r14
-	PTR_MANGLE (%r4, %r5)
-	st     %r4,32(%r2)
-	st     %r15,36(%r2)
+	lr     %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stm    %r4,%r5,32(%r2)
 #else
 	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
 #endif
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c
index 6650bf702f..030fb5b515 100644
--- a/sysdeps/s390/s390-64/__longjmp.c
+++ b/sysdeps/s390/s390-64/__longjmp.c
@@ -29,26 +29,34 @@
 void
 __longjmp (__jmp_buf env, int val)
 {
+  register long int r2 __asm ("%r2") = val == 0 ? 1 : val;
 #ifdef PTR_DEMANGLE
-  register uintptr_t r5 __asm ("%r5") = THREAD_GET_POINTER_GUARD ();
+  register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
+  register void *r1 __asm ("%r1") = (void *) env;
 #endif
   /* Restore registers and jump back.  */
-  asm volatile ("lgr  %%r2,%0\n\t"        /* Put val in grp 2.  */
-		"ld   %%f7,104(%1)\n\t"
+  asm volatile ("ld   %%f7,104(%1)\n\t"
 		"ld   %%f5,96(%1)\n\t"
 		"ld   %%f3,88(%1)\n\t"
 		"ld   %%f1,80(%1)\n\t"
-		"lmg  %%r6,%%r15,0(%1)\n\t"
 #ifdef PTR_DEMANGLE
-		"xgr  %%r14,%2\n\t"
-#endif
+		"lmg  %%r6,%%r13,0(%1)\n\t"
+		"lmg  %%r4,%%r5,64(%1)\n\t"
+		"xgr  %%r4,%2\n\t"
+		"xgr  %%r5,%2\n\t"
+		"lgr  %%r15,%%r5\n\t"
+		"br   %%r4"
+#else
+		"lmg  %%r6,%%r15,0(%1)\n\t"
 		"br   %%r14"
-		: : "r" (val == 0 ? 1 : val),
-		    "a" (env)
+#endif
+		: : "r" (r2),
 #ifdef PTR_DEMANGLE
-		    , "r" (r5)
+		    "r" (r1), "r" (r3)
+#else
+		    "a" (env)
 #endif
-		: "2" );
+		);
 
   /* Avoid `volatile function does return' warnings.  */
   for (;;);
diff --git a/sysdeps/s390/s390-64/elf/setjmp.S b/sysdeps/s390/s390-64/elf/setjmp.S
index 44f7cf08cc..28b6a5a35b 100644
--- a/sysdeps/s390/s390-64/elf/setjmp.S
+++ b/sysdeps/s390/s390-64/elf/setjmp.S
@@ -49,9 +49,10 @@ ENTRY(__sigsetjmp)
 #ifdef PTR_MANGLE
 	stmg   %r6,%r13,0(%r2)      /* Store registers in jmp_buf.  */
 	lgr    %r4,%r14
-	PTR_MANGLE (%r4, %r5)
-	stg    %r4,64(%r2)
-	stg    %r15,72(%r2)
+	lgr    %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stmg   %r4,%r5,64(%r2)
 #else
         stmg   %r6,%r15,0(%r2)      /* Store registers in jmp_buf.  */
 #endif
diff --git a/sysdeps/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S
index 25d97b6a6a..a962db46ce 100644
--- a/sysdeps/s390/s390-64/setjmp.S
+++ b/sysdeps/s390/s390-64/setjmp.S
@@ -31,9 +31,10 @@ ENTRY(__sigsetjmp)
 #ifdef PTR_MANGLE
 	stmg   %r6,%r13,0(%r2)      /* Store registers in jmp_buf.  */
 	lgr    %r4,%r14
-	PTR_MANGLE (%r4, %r5)
-	stg    %r4,64(%r2)
-	stg    %r15,72(%r2)
+	lgr    %r5,%r15
+	PTR_MANGLE (%r4, %r1)
+	PTR_MANGLE2 (%r5, %r1)
+	stmg   %r4,%r5,64(%r2)
 #else
         stmg   %r6,%r15,0(%r2)      /* Store registers in jmp_buf.  */
 #endif
diff --git a/sysdeps/sparc/sparc32/__longjmp.S b/sysdeps/sparc/sparc32/__longjmp.S
index 1c81c92692..3b2c80b7c3 100644
--- a/sysdeps/sparc/sparc32/__longjmp.S
+++ b/sysdeps/sparc/sparc32/__longjmp.S
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 93, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2006
+   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
@@ -30,6 +31,9 @@ ENTRY(__longjmp)
 	   use them while unwinding frames and their register windows.  */
 
 	ld ENV(o0,JB_FP), %g3	/* Cache target FP in register %g3.  */
+#ifdef PTR_DEMANGLE
+	PTR_DEMANGLE (%g3, %g3, %g4)
+#endif
 	mov %o0, %g1		/* ENV in %g1 */
      	orcc %o1, %g0, %g2	/* VAL in %g2 */
      	be,a 0f			/* Branch if zero; else skip delay slot.  */
@@ -62,8 +66,15 @@ LOC(thread):
 	 * windows.
 	 */
 	ta	ST_FLUSH_WINDOWS
+#ifdef PTR_DEMANGLE
+	ld	ENV(g1,JB_PC), %g5 /* Set return PC. */
+	ld	ENV(g1,JB_SP), %g1 /* Set saved SP on restore below. */
+	PTR_DEMANGLE2 (%o7, %g5, %g4)
+	PTR_DEMANGLE2 (%fp, %g1, %g4)
+#else
 	ld	ENV(g1,JB_PC), %o7 /* Set return PC. */
 	ld	ENV(g1,JB_SP), %fp /* Set saved SP on restore below. */
+#endif
 	sub	%fp, 64, %sp	/* Allocate a register frame. */
 	st	%g3, RW_FP	/* Set saved FP on restore below. */
 	retl
@@ -71,10 +82,17 @@ LOC(thread):
 
 LOC(found):
 	/* We have unwound register windows so %fp matches the target.  */
+#ifdef PTR_DEMANGLE
+	PTR_DEMANGLE2 (%sp, %o0, %g4)
+#else
 	mov %o0, %sp		/* OK, install new SP.  */
+#endif
 
 LOC(sp_ok):
 	ld ENV(g1,JB_PC), %o0	/* Extract target return PC.  */
+#ifdef PTR_DEMANGLE
+	PTR_DEMANGLE2 (%o0, %o0, %g4)
+#endif
 	jmp %o0 + 8		/* Return there.  */
 	 mov %g2, %o0		/* Delay slot: set return value.  */
 
diff --git a/sysdeps/sparc/sparc32/setjmp.S b/sysdeps/sparc/sparc32/setjmp.S
index 883ea06297..4ef8724e02 100644
--- a/sysdeps/sparc/sparc32/setjmp.S
+++ b/sysdeps/sparc/sparc32/setjmp.S
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 93, 94, 96, 97, 98, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1994, 1996, 1997, 1998, 2002, 2006
+   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
@@ -39,9 +40,18 @@ ENTRY (__sigsetjmp)
 	   a tail-call for simplicity; it always returns zero.  */
 	ta	ST_FLUSH_WINDOWS
 
+#ifdef PTR_MANGLE
+	PTR_MANGLE (%g1, %o7, %g4)
+	PTR_MANGLE2 (%g2, %sp, %g4)
+	PTR_MANGLE2 (%g3, %fp, %g4)
+	st	%g1, [%o0 + (JB_PC * 4)]
+	st	%g2, [%o0 + (JB_SP * 4)]
+	st	%g3, [%o0 + (JB_FP * 4)]
+#else
 	st	%o7, [%o0 + (JB_PC * 4)]
 	st	%sp, [%o0 + (JB_SP * 4)]
 	st	%fp, [%o0 + (JB_FP * 4)]
+#endif
 
 	mov	%o7, %g1
 	call	__sigjmp_save
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 355108a493..50c3f42469 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -275,6 +275,8 @@
 #  define PTR_MANGLE(reg, tmpreg) \
   ear     tmpreg,%a0;			\
   x       reg,STACK_GUARD(tmpreg)
+#  define PTR_MANGLE2(reg, tmpreg) \
+  x       reg,STACK_GUARD(tmpreg)
 #  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
 # else
 #  define PTR_MANGLE(var) \
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index 562fc7df76..aadbf74c2b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -277,6 +277,8 @@
   sllg    tmpreg,tmpreg,32;		\
   ear     tmpreg,%a1;			\
   xg      reg,STACK_GUARD(tmpreg)
+#  define PTR_MANGLE2(reg, tmpreg) \
+  xg      reg,STACK_GUARD(tmpreg)
 #  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
 # else
 #  define PTR_MANGLE(var) \
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
index 45aa2655ee..7dc822929f 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997,1999,2000,2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2000, 2003, 2005, 2006
+   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
@@ -60,7 +61,7 @@ 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, demangle)			\
-  ((unsigned long int) (address) < demangle ((jmpbuf)->uc_mcontext.mc_fp))
+  ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)
 
 #else
 
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 29c5158b9f..45f5c44d5d 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
 
@@ -214,4 +214,24 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler)			\
 
 #endif	/* __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(dreg, reg, tmpreg) \
+  ld	[%g7 + POINTER_GUARD], tmpreg; \
+  xor	reg, tmpreg, dreg
+#  define PTR_DEMANGLE(dreg, reg, tmpreg) PTR_MANGLE (dreg, reg, tmpreg)
+#  define PTR_MANGLE2(dreg, reg, tmpreg) \
+  xor	reg, tmpreg, dreg
+#  define PTR_DEMANGLE2(dreg, reg, tmpreg) PTR_MANGLE2 (dreg, reg, tmpreg)
+# else
+#  define PTR_MANGLE(var) \
+  (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
+#  define PTR_DEMANGLE(var)     PTR_MANGLE (var)
+# endif
+#endif
+
 #endif /* linux/sparc/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index 071aa3a310..b30cffc5e9 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -240,4 +240,24 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler)			\
    register windows.  So if you poke stack memory directly you add this.  */
 #define STACK_BIAS	2047
 
+/* 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(dreg, reg, tmpreg) \
+  ldx	[%g7 + POINTER_GUARD], tmpreg; \
+  xor	reg, tmpreg, dreg
+#  define PTR_DEMANGLE(dreg, reg, tmpreg) PTR_MANGLE (dreg, reg, tmpreg)
+#  define PTR_MANGLE2(dreg, reg, tmpreg) \
+  xor	reg, tmpreg, dreg
+#  define PTR_DEMANGLE2(dreg, reg, tmpreg) PTR_MANGLE2 (dreg, reg, tmpreg)
+# else
+#  define PTR_MANGLE(var) \
+  (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
+#  define PTR_DEMANGLE(var)     PTR_MANGLE (var)
+# endif
+#endif
+
 #endif /* linux/sparc64/sysdep.h */