Updated to fedora-glibc-20050208T0948 cvs/fedora-glibc-2_3_4-6

9 files changed, 608 insertions, 278 deletions

diff --git a/sysdeps/powerpc/powerpc32/bits/link.h b/sysdeps/powerpc/powerpc32/bits/link.h
new file mode 100644
index 0000000000..7f44087120
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/bits/link.h
@@ -0,0 +1,62 @@
+/* Copyright (C) 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+/* Registers for entry into PLT on PPC32.  */
+typedef struct La_ppc32_regs
+{
+  uint32_t lr_reg[8];
+  double lr_fp[8];
+  uint32_t lr_vreg[12][4];
+  uint32_t lr_r1;
+  uint32_t lr_lr;
+} La_ppc32_regs;
+
+/* Return values for calls from PLT on PPC32.  */
+typedef struct La_ppc32_retval
+{
+  uint32_t lrv_r3;
+  uint32_t lrv_r4;
+  double lrv_fp[8];
+  uint32_t lrv_v2[4];
+} La_ppc32_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
+					 unsigned int __ndx,
+					 uintptr_t *__refcook,
+					 uintptr_t *__defcook,
+					 La_ppc32_regs *__regs,
+					 unsigned int *__flags,
+					 const char *__symname,
+					 long int *__framesizep);
+extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
+					  unsigned int __ndx,
+					  uintptr_t *__refcook,
+					  uintptr_t *__defcook,
+					  const La_ppc32_regs *__inregs,
+					  La_ppc32_retval *__outregs,
+					  const char *symname);
+
+__END_DECLS
diff --git a/sysdeps/powerpc/powerpc32/dl-machine.c b/sysdeps/powerpc/powerpc32/dl-machine.c
index 06960716b9..4120a02382 100644
--- a/sysdeps/powerpc/powerpc32/dl-machine.c
+++ b/sysdeps/powerpc/powerpc32/dl-machine.c
@@ -1,5 +1,5 @@
 /* Machine-dependent ELF dynamic relocation functions.  PowerPC version.
-   Copyright (C) 1995-2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1995-2003, 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
@@ -242,7 +242,8 @@ __elf_machine_runtime_setup (struct link_map *map, int lazy, int profile)
 					 : _dl_runtime_resolve);
 	  Elf32_Word offset;
 
-	  if (profile && _dl_name_match_p (GLRO(dl_profile), map))
+	  if (profile && GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), map))
 	    /* This is the object we are looking for.  Say that we really
 	       want profiling and the timers are started.  */
 	    GL(dl_profile_map) = map;
diff --git a/sysdeps/powerpc/powerpc32/dl-machine.h b/sysdeps/powerpc/powerpc32/dl-machine.h
index a8c1e3e490..de3b9e923a 100644
--- a/sysdeps/powerpc/powerpc32/dl-machine.h
+++ b/sysdeps/powerpc/powerpc32/dl-machine.h
@@ -1,5 +1,5 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  PowerPC version.
-   Copyright (C) 1995-2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1995-2002, 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
@@ -100,160 +100,6 @@ elf_machine_load_address (void)
 /* The PLT uses Elf32_Rela relocs.  */
 #define elf_machine_relplt elf_machine_rela
 
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.  It is called
-   from code built in the PLT by elf_machine_runtime_setup.  */
-#if !defined PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
-	.section \".text\"	\n\
-	.align 2	\n\
-	.globl _dl_runtime_resolve	\n\
-	.type _dl_runtime_resolve,@function	\n\
-_dl_runtime_resolve:	\n\
- # We need to save the registers used to pass parameters, and register 0,\n\
- # which is used by _mcount; the registers are saved in a stack frame.\n\
-	stwu 1,-64(1)	\n\
-	stw 0,12(1)	\n\
-	stw 3,16(1)	\n\
-	stw 4,20(1)	\n\
- # The code that calls this has put parameters for `fixup' in r12 and r11.\n\
-	mr 3,12	\n\
-	stw 5,24(1)	\n\
-	mr 4,11	\n\
-	stw 6,28(1)	\n\
-	mflr 0	\n\
- # We also need to save some of the condition register fields.\n\
-	stw 7,32(1)	\n\
-	stw 0,48(1)	\n\
-	stw 8,36(1)	\n\
-	mfcr 0	\n\
-	stw 9,40(1)	\n\
-	stw 10,44(1)	\n\
-	stw 0,8(1)	\n\
-	bl fixup@local	\n\
- # 'fixup' returns the address we want to branch to.\n\
-	mtctr 3	\n\
- # Put the registers back...\n\
-	lwz 0,48(1)	\n\
-	lwz 10,44(1)	\n\
-	lwz 9,40(1)	\n\
-	mtlr 0	\n\
-	lwz 8,36(1)	\n\
-	lwz 0,8(1)	\n\
-	lwz 7,32(1)	\n\
-	lwz 6,28(1)	\n\
-	mtcrf 0xFF,0	\n\
-	lwz 5,24(1)	\n\
-	lwz 4,20(1)	\n\
-	lwz 3,16(1)	\n\
-	lwz 0,12(1)	\n\
- # ...unwind the stack frame, and jump to the PLT entry we updated.\n\
-	addi 1,1,64	\n\
-	bctr	\n\
-	.size	 _dl_runtime_resolve,.-_dl_runtime_resolve	\n\
-	\n\
-	.align 2	\n\
-	.globl _dl_prof_resolve	\n\
-	.type _dl_prof_resolve,@function	\n\
-_dl_prof_resolve:	\n\
- # We need to save the registers used to pass parameters, and register 0,\n\
- # which is used by _mcount; the registers are saved in a stack frame.\n\
-	stwu 1,-64(1)	\n\
-        stw 0,12(1)	\n\
-	stw 3,16(1)	\n\
-	stw 4,20(1)	\n\
- # The code that calls this has put parameters for `fixup' in r12 and r11.\n\
-	mr 3,12	\n\
-	stw 5,24(1)	\n\
-	mr 4,11	\n\
-	stw 6,28(1)	\n\
-	mflr 5	\n\
- # We also need to save some of the condition register fields.\n\
-	stw 7,32(1)	\n\
-	stw 5,48(1)	\n\
-	stw 8,36(1)	\n\
-	mfcr 0	\n\
-	stw 9,40(1)	\n\
-	stw 10,44(1)	\n\
-	stw 0,8(1)	\n\
-	bl profile_fixup@local	\n\
- # 'fixup' returns the address we want to branch to.\n\
-	mtctr 3	\n\
- # Put the registers back...\n\
-	lwz 0,48(1)	\n\
-	lwz 10,44(1)	\n\
-	lwz 9,40(1)	\n\
-	mtlr 0	\n\
-	lwz 8,36(1)	\n\
-	lwz 0,8(1)	\n\
-	lwz 7,32(1)	\n\
-	lwz 6,28(1)	\n\
-	mtcrf 0xFF,0	\n\
-	lwz 5,24(1)	\n\
-	lwz 4,20(1)	\n\
-	lwz 3,16(1)	\n\
-        lwz 0,12(1)	\n\
- # ...unwind the stack frame, and jump to the PLT entry we updated.\n\
-	addi 1,1,64	\n\
-	bctr	\n\
-	.size	 _dl_prof_resolve,.-_dl_prof_resolve	\n\
- # Undo '.section text'.\n\
-	.previous	\n\
-");
-#else
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
-	.section \".text\"	\n\
-	.align 2	\n\
-	.globl _dl_runtime_resolve	\n\
-	.globl _dl_prof_resolve	\n\
-	.type _dl_runtime_resolve,@function	\n\
-	.type _dl_prof_resolve,@function	\n\
-_dl_runtime_resolve:	\n\
-_dl_prof_resolve:	\n\
- # We need to save the registers used to pass parameters, and register 0,\n\
- # which is used by _mcount; the registers are saved in a stack frame.\n\
-	stwu 1,-64(1)	\n\
-	stw 0,12(1)	\n\
-	stw 3,16(1)	\n\
-	stw 4,20(1)	\n\
- # The code that calls this has put parameters for `fixup' in r12 and r11.\n\
-	mr 3,12	\n\
-	stw 5,24(1)	\n\
-	mr 4,11	\n\
-	stw 6,28(1)	\n\
-	mflr 0	\n\
- # We also need to save some of the condition register fields.\n\
-	stw 7,32(1)	\n\
-	stw 0,48(1)	\n\
-	stw 8,36(1)	\n\
-	mfcr 0	\n\
-	stw 9,40(1)	\n\
-	stw 10,44(1)	\n\
-	stw 0,8(1)	\n\
-	bl fixup@local	\n\
- # 'fixup' returns the address we want to branch to.\n\
-	mtctr 3	\n\
- # Put the registers back...\n\
-	lwz 0,48(1)	\n\
-	lwz 10,44(1)	\n\
-	lwz 9,40(1)	\n\
-	mtlr 0	\n\
-	lwz 8,36(1)	\n\
-	lwz 0,8(1)	\n\
-	lwz 7,32(1)	\n\
-	lwz 6,28(1)	\n\
-	mtcrf 0xFF,0	\n\
-	lwz 5,24(1)	\n\
-	lwz 4,20(1)	\n\
-	lwz 3,16(1)	\n\
-	lwz 0,12(1)	\n\
- # ...unwind the stack frame, and jump to the PLT entry we updated.\n\
-	addi 1,1,64	\n\
-	bctr	\n\
-	.size	 _dl_runtime_resolve,.-_dl_runtime_resolve	\n\
-");
-#endif
-
 /* Mask identifying addresses reserved for the user program,
    where the dynamic linker should not map anything.  */
 #define ELF_MACHINE_USER_ADDRESS_MASK	0xf0000000UL
@@ -328,9 +174,14 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
   return value + reloc->r_addend;
 }
 
+
+/* Names of the architecture-specific auditing callback functions.  */
+#define ARCH_LA_PLTENTER ppc32_gnu_pltenter
+#define ARCH_LA_PLTEXIT ppc32_gnu_pltexit
+
 #endif /* dl_machine_h */
 
-#ifdef RESOLVE
+#ifdef RESOLVE_MAP
 
 /* Do the actual processing of a reloc, once its target address
    has been determined.  */
@@ -381,16 +232,8 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
     value = map->l_addr;
   else
     {
-# if defined USE_TLS && !defined RTLD_BOOTSTRAP
       sym_map = RESOLVE_MAP (&sym, version, r_type);
-      value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
-# else
-      value = RESOLVE (&sym, version, r_type);
-#  ifndef RTLD_BOOTSTRAP
-      if (sym != NULL)
-#  endif
-	value += sym->st_value;
-# endif
+      value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
     }
   value += reloc->r_addend;
 #else
@@ -474,4 +317,4 @@ elf_machine_lazy_rel (struct link_map *map,
    DT_RELA table.  */
 #define ELF_MACHINE_PLTREL_OVERLAP 1
 
-#endif /* RESOLVE */
+#endif /* RESOLVE_MAP */
diff --git a/sysdeps/powerpc/powerpc32/dl-trampoline.S b/sysdeps/powerpc/powerpc32/dl-trampoline.S
new file mode 100644
index 0000000000..ea5ce7b45a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/dl-trampoline.S
@@ -0,0 +1,174 @@
+/* PLT trampolines.  PPC32 version.
+   Copyright (C) 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+
+	.section ".text"
+	.align 2
+	.globl _dl_runtime_resolve
+	.type _dl_runtime_resolve,@function
+_dl_runtime_resolve:
+ # We need to save the registers used to pass parameters, and register 0,
+ # which is used by _mcount; the registers are saved in a stack frame.
+	stwu r1,-64(r1)
+	stw r0,12(r1)
+	stw r3,16(r1)
+	stw r4,20(r1)
+ # The code that calls this has put parameters for `fixup' in r12 and r11.
+	mr r3,r12
+	stw r5,24(r1)
+	mr r4,r11
+	stw r6,28(r1)
+	mflr r0
+ # We also need to save some of the condition register fields
+	stw r7,32(r1)
+	stw r0,48(r1)
+	stw r8,36(r1)
+	mfcr r0
+	stw r9,40(r1)
+	stw r10,44(r1)
+	stw r0,8(r1)
+	bl _dl_fixup@local
+ # 'fixup' returns the address we want to branch to.
+	mtctr r3
+ # Put the registers back...
+	lwz r0,48(r1)
+	lwz r10,44(r1)
+	lwz r9,40(r1)
+	mtlr r0
+	lwz r8,36(r1)
+	lwz r0,8(r1)
+	lwz r7,32(r1)
+	lwz r6,28(r1)
+	mtcrf 0xFF,r0
+	lwz r5,24(r1)
+	lwz r4,20(r1)
+	lwz r3,16(r1)
+	lwz r0,12(r1)
+ # ...unwind the stack frame, and jump to the PLT entry we updated.
+	addi r1,r1,64
+	bctr
+	.size	 _dl_runtime_resolve,.-_dl_runtime_resolve
+
+	.align 2
+	.globl _dl_prof_resolve
+	.type _dl_prof_resolve,@function
+_dl_prof_resolve:
+ # We need to save the registers used to pass parameters, and register 0,
+ # which is used by _mcount; the registers are saved in a stack frame.
+	stwu r1,-320(r1)
+	/* Stack layout:
+
+	  +312   stackframe
+	  +308   lr
+	  +304   r1
+	  +288   v12
+	  +272   v11
+	  +256   v10
+	  +240   v9
+	  +224   v8
+	  +208   v7
+	  +192   v6
+	  +176   v5
+	  +160   v4
+	  +144   v3
+	  +128   v2
+	  +112   v1
+	  +104   fp8
+	  +96    fp7
+	  +88    fp6
+	  +80    fp5
+	  +72    fp4
+	  +64    fp3
+	  +56    fp2
+	  +48    fp1
+	  +44    r10
+	  +40    r9
+	  +36    r8
+	  +32    r7
+	  +28    r6
+	  +24    r5
+	  +20    r4
+	  +16    r3
+	  +12    r0
+	  +8     cr
+	   r1    link
+	*/
+        stw r0,12(r1)
+	stw r3,16(r1)
+	stw r4,20(r1)
+ # The code that calls this has put parameters for `fixup' in r12 and r11.
+	mr r3,r12
+	stw r5,24(r1)
+	mr r4,r11
+	stw r6,28(r1)
+	mflr r5
+ # We also need to save some of the condition register fields.
+	stw r7,32(r1)
+	stw r5,308(r1)
+	stw r8,36(r1)
+	mfcr r0
+	stw r9,40(r1)
+	stw r10,44(r1)
+	stw r0,8(r1)
+ # Save the floating point registers
+	stfd fp1,48(r1)
+	stfd fp2,56(r1)
+	stfd fp3,64(r1)
+	stfd fp4,72(r1)
+	stfd fp5,80(r1)
+	stfd fp6,88(r1)
+	stfd fp7,96(r1)
+	stfd fp8,104(r1)
+ # XXX TODO: store vmx registers
+ # Load the extra parameters.
+	addi r6,r1,16
+	addi r7,r1,312
+	li r0,-1
+	stw r0,0(r7)
+	bl _dl_profile_fixup@local
+ # 'fixup' returns the address we want to branch to.
+	mtctr r3
+ # Put the registers back...
+	lwz r0,308(r1)
+	lwz r10,44(r1)
+	lwz r9,40(r1)
+	mtlr r0
+	lwz r8,36(r1)
+	lwz r0,8(r1)
+	lwz r7,32(r1)
+	lwz r6,28(r1)
+	mtcrf 0xFF,r0
+	lwz r5,24(r1)
+	lwz r4,20(r1)
+	lwz r3,16(r1)
+        lwz r0,12(r1)
+ # Load the floating point registers.
+	lfd fp1,48(r1)
+	lfd fp2,56(r1)
+	lfd fp3,64(r1)
+	lfd fp4,72(r1)
+	lfd fp5,80(r1)
+	lfd fp6,88(r1)
+	lfd fp7,96(r1)
+	lfd fp8,104(r1)
+ # ...unwind the stack frame, and jump to the PLT entry we updated.
+	addi r1,r1,320
+	bctr
+	.size	 _dl_prof_resolve,.-_dl_prof_resolve
diff --git a/sysdeps/powerpc/powerpc64/bits/link.h b/sysdeps/powerpc/powerpc64/bits/link.h
new file mode 100644
index 0000000000..863336241a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/bits/link.h
@@ -0,0 +1,109 @@
+/* Copyright (C) 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+#if __ELF_NATIVE_CLASS == 32
+
+/* Registers for entry into PLT on PPC32.  */
+typedef struct La_ppc32_regs
+{
+  uint32_t lr_reg[8];
+  double lr_fp[8];
+  uint32_t lr_vreg[12][4];
+  uint32_t lr_r1;
+  uint32_t lr_lr;
+} La_ppc32_regs;
+
+/* Return values for calls from PLT on PPC32.  */
+typedef struct La_ppc32_retval
+{
+  uint32_t lrv_r3;
+  uint32_t lrv_r4;
+  double lrv_fp[8];
+  uint32_t lrv_v2[4];
+} La_ppc32_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
+					 unsigned int __ndx,
+					 uintptr_t *__refcook,
+					 uintptr_t *__defcook,
+					 La_ppc32_regs *__regs,
+					 unsigned int *__flags,
+					 const char *__symname,
+					 long int *__framesizep);
+extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
+					  unsigned int __ndx,
+					  uintptr_t *__refcook,
+					  uintptr_t *__defcook,
+					  const La_ppc32_regs *__inregs,
+					  La_ppc32_retval *__outregs,
+					  const char *symname);
+
+__END_DECLS
+
+#else
+
+/* Registers for entry into PLT on PPC64.  */
+typedef struct La_ppc64_regs
+{
+  uint64_t lr_reg[8];
+  double lr_fp[13];
+  uint64_t __padding;
+  uint32_t lr_vreg[12][4];
+  uint64_t lr_r1;
+  uint64_t lr_lr;
+} La_ppc64_regs;
+
+/* Return values for calls from PLT on PPC64.  */
+typedef struct La_ppc64_retval
+{
+  uint64_t lrv_r3;
+  uint64_t lrv_r4;
+  double lrv_fp[8];
+  uint32_t lrv_v2[4];
+} La_ppc64_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
+					 unsigned int __ndx,
+					 uintptr_t *__refcook,
+					 uintptr_t *__defcook,
+					 La_ppc64_regs *__regs,
+					 unsigned int *__flags,
+					 const char *__symname,
+					 long int *__framesizep);
+extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
+					  unsigned int __ndx,
+					  uintptr_t *__refcook,
+					  uintptr_t *__defcook,
+					  const La_ppc64_regs *__inregs,
+					  La_ppc64_retval *__outregs,
+					  const char *symname);
+
+__END_DECLS
+
+#endif
diff --git a/sysdeps/powerpc/powerpc64/dl-lookupcfg.h b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
index e502941015..e69de29bb2 100644
--- a/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
+++ b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h
@@ -1,22 +0,0 @@
-/* Configuration of lookup functions.  PowerPC64 version.
-   Copyright (C) 2002 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/* Return the symbol map from the symbol lookup function.  */
-
-#define DL_LOOKUP_RETURNS_MAP 1
diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h
index 3fcf77df71..5ddc22e3c9 100644
--- a/sysdeps/powerpc/powerpc64/dl-machine.h
+++ b/sysdeps/powerpc/powerpc64/dl-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent ELF dynamic relocation inline functions.
    PowerPC64 version.
-   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -107,92 +107,6 @@ elf_machine_dynamic (void)
 /* The PLT uses Elf64_Rela relocs.  */
 #define elf_machine_relplt elf_machine_rela
 
-/* This code gets called via a .glink stub which loads PLT0.  It is
-   used in dl-runtime.c to call the `fixup' function and then redirect
-   to the address `fixup' returns.
-
-   Enter with r0 = plt reloc index,
-   r2 = ld.so tocbase,
-   r11 = ld.so link map.  */
-
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
-  asm (".section \".text\"\n"						\
-"	.align	2\n"							\
-"	.type	" BODY_PREFIX #tramp_name ",@function\n"		\
-"	.section \".opd\",\"aw\"\n"					\
-"	.align	3\n"							\
-"	.globl	" #tramp_name "\n"					\
-"	" ENTRY_2(tramp_name) "\n"					\
-#tramp_name ":\n"							\
-"	" OPD_ENT(tramp_name) "\n"					\
-"	.previous\n"							\
-BODY_PREFIX #tramp_name ":\n"						\
-/* We need to save the registers used to pass parameters, ie. r3 thru	\
-   r10; the registers are saved in a stack frame.  */			\
-"	stdu	1,-128(1)\n"						\
-"	std	3,48(1)\n"						\
-"	mr	3,11\n"							\
-"	std	4,56(1)\n"						\
-"	sldi	4,0,1\n"						\
-"	std	5,64(1)\n"						\
-"	add	4,4,0\n"						\
-"	std	6,72(1)\n"						\
-"	sldi	4,4,3\n"						\
-"	std	7,80(1)\n"						\
-"	mflr	0\n"							\
-"	std	8,88(1)\n"						\
-/* Store the LR in the LR Save area of the previous frame.  */    	\
-"	std	0,128+16(1)\n"						\
-"	mfcr	0\n"							\
-"	std	9,96(1)\n"						\
-"	std	10,104(1)\n"						\
-/* I'm almost certain we don't have to save cr...  be safe.  */    	\
-"	std	0,8(1)\n"						\
-"	bl	" DOT_PREFIX #fixup_name "\n"				\
-/* Put the registers back.  */						\
-"	ld	0,128+16(1)\n"						\
-"	ld	10,104(1)\n"						\
-"	ld	9,96(1)\n"						\
-"	ld	8,88(1)\n"						\
-"	ld	7,80(1)\n"						\
-"	mtlr	0\n"							\
-"	ld	0,8(1)\n"						\
-"	ld	6,72(1)\n"						\
-"	ld	5,64(1)\n"						\
-"	ld	4,56(1)\n"						\
-"	mtcrf	0xFF,0\n"						\
-/* Load the target address, toc and static chain reg from the function  \
-   descriptor returned by fixup.  */					\
-"	ld	0,0(3)\n"						\
-"	ld	2,8(3)\n"						\
-"	mtctr	0\n"							\
-"	ld	11,16(3)\n"						\
-"	ld	3,48(1)\n"						\
-/* Unwind the stack frame, and jump.  */				\
-"	addi	1,1,128\n"						\
-"	bctr\n"								\
-".LT_" #tramp_name ":\n"						\
-"	.long 0\n"							\
-"	.byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n"		\
-"	.long .LT_" #tramp_name "-" BODY_PREFIX #tramp_name "\n"	\
-"	.short .LT_" #tramp_name "_name_end-.LT_" #tramp_name "_name_start\n" \
-".LT_" #tramp_name "_name_start:\n"					\
-"	.ascii \"" #tramp_name "\"\n"					\
-".LT_" #tramp_name "_name_end:\n"					\
-"	.align 2\n"							\
-"	" END_2(tramp_name) "\n"					\
-"	.previous");
-
-#ifndef PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE			\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
-  TRAMPOLINE_TEMPLATE (_dl_profile_resolve, profile_fixup);
-#else
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE			\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
-  void _dl_runtime_resolve (void);			\
-  strong_alias (_dl_runtime_resolve, _dl_profile_resolve);
-#endif
 
 #ifdef HAVE_INLINED_SYSCALLS
 /* We do not need _dl_starting_up.  */
@@ -420,7 +334,8 @@ elf_machine_runtime_setup (struct link_map *map, int lazy, int profile)
 
 	  resolve_fd = (Elf64_FuncDesc *) (profile ? _dl_profile_resolve
 					   : _dl_runtime_resolve);
-	  if (profile && _dl_name_match_p (GLRO(dl_profile), map))
+	  if (profile && GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), map))
 	    /* This is the object we are looking for.  Say that we really
 	       want profiling and the timers are started.  */
 	    GL(dl_profile_map) = map;
@@ -545,6 +460,11 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
   return value + reloc->r_addend;
 }
 
+
+/* Names of the architecture-specific auditing callback functions.  */
+#define ARCH_LA_PLTENTER ppc64_gnu_pltenter
+#define ARCH_LA_PLTEXIT ppc64_gnu_pltexit
+
 #endif /* dl_machine_h */
 
 #ifdef RESOLVE_MAP
diff --git a/sysdeps/powerpc/powerpc64/dl-trampoline.S b/sysdeps/powerpc/powerpc64/dl-trampoline.S
new file mode 100644
index 0000000000..316f17a405
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/dl-trampoline.S
@@ -0,0 +1,196 @@
+/* PLT trampolines.  PPC64 version.
+   Copyright (C) 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+
+	.section ".text"
+
+EALIGN(_dl_runtime_resolve, 4, 0)
+/* We need to save the registers used to pass parameters, ie. r3 thru
+   r10; the registers are saved in a stack frame.  */
+	stdu	r1,-128(r1)
+	std	r3,48(r1)
+	mr	r3,r11
+	std	r4,56(r1)
+	sldi	r4,r0,1
+	std	r5,64(r1)
+	add	r4,r4,r0
+	std	r6,72(r1)
+	sldi	r4,r4,3
+	std	r7,80(r1)
+	mflr	r0
+	std	r8,88(r1)
+/* Store the LR in the LR Save area of the previous frame.  */
+	std	r0,128+16(r1)
+	mfcr	r0
+	std	r9,96(r1)
+	std	r10,104(r1)
+/* I'm almost certain we don't have to save cr...  be safe.  */
+	std	r0,8(r1)
+	bl	JUMPTARGET(_dl_fixup)
+/* Put the registers back.  */
+	ld	r0,128+16(r1)
+	ld	r10,104(r1)
+	ld	r9,96(r1)
+	ld	r8,88(r1)
+	ld	r7,80(r1)
+	mtlr	r0
+	ld	r0,8(r1)
+	ld	r6,72(r1)
+	ld	r5,64(r1)
+	ld	r4,56(r1)
+	mtcrf	0xFF,r0
+/* Load the target address, toc and static chain reg from the function
+   descriptor returned by fixup.  */
+	ld	r0,0(r3)
+	ld	r2,8(r3)
+	mtctr	r0
+	ld	r11,16(r3)
+	ld	r3,48(r1)
+/* Unwind the stack frame, and jump.  */
+	addi	r1,r1,128
+	bctr
+END(_dl_runtime_resolve)
+
+
+
+EALIGN(_dl_profile_resolve, 4, 0)
+/* We need to save the registers used to pass parameters, ie. r3 thru
+   r10; the registers are saved in a stack frame.  */
+	stdu	r1,-448(r1)
+	/* Stack layout:
+
+	  +432   stackframe
+	  +424   lr
+	  +416   r1
+	  +400   v12
+	  +384   v11
+	  +368   v10
+	  +362   v9
+	  +336   v8
+	  +320   v7
+	  +304   v6
+	  +288   v5
+	  +272   v4
+	  +256   v3
+	  +240   v2
+	  +224   v1
+	  +216   free
+	  +208   fp13
+	  +200   fp12
+	  +192   fp11
+	  +184   fp10
+	  +176   fp9
+	  +168   fp8
+	  +160   fp7
+	  +152   fp6
+	  +144   fp5
+	  +136   fp4
+	  +128   fp3
+	  +120   fp2
+	  +112   fp1
+	  +104   r10
+	  +96    r9
+	  +88    r8
+	  +80    r7
+	  +72    r6
+	  +64    r5
+	  +56    r4
+	  +48    r3
+	  +8     cr
+	   r1    link
+	*/
+	std	r3,48(r1)
+	mr	r3,r11
+	std	r4,56(r1)
+	sldi	r4,r0,1
+	std	r5,64(r1)
+	add	r4,r4,0
+	std	r6,72(r1)
+	sldi	r4,r4,3
+	std	r7,80(r1)
+	mflr	r5
+	std	r8,88(r1)
+/* Store the LR in the LR Save area of the previous frame.  */
+/* XXX Do we have to do this?  */
+	std	r5,448+16(r1)
+	std	r5,424(r1)
+	mfcr	r0
+	std	r9,96(r1)
+	std	r10,104(r1)
+/* I'm almost certain we don't have to save cr...  be safe.  */
+	std	r0,8(r1)
+/* Save floating registers.  */
+	stfd	fp1,112(r1)
+	stfd	fp2,120(r1)
+	stfd	fp3,128(r1)
+	stfd	fp4,136(r1)
+	stfd	fp5,144(r1)
+	stfd	fp6,152(r1)
+	stfd	fp7,160(r1)
+	stfd	fp8,168(r1)
+	stfd	fp9,176(r1)
+	stfd	fp10,184(r1)
+	stfd	fp11,192(r1)
+	stfd	fp12,200(r1)
+	stfd	fp13,208(r1)
+/* XXX TODO: store vmx registers.  */
+/* Load the extra parameters.  */
+	addi	r6,r1,48
+	addi	r7,r1,432
+	li	r0,-1
+	stdu	r0,0(r7)
+	bl	JUMPTARGET(_dl_profile_fixup)
+/* Put the registers back.  */
+	ld	r0,448+16(r1)
+	ld	r10,104(r1)
+	ld	r9,96(r1)
+	ld	r8,88(r1)
+	ld	r7,80(r1)
+	mtlr	r0
+	ld	r0,8(r1)
+	ld	r6,72(r1)
+	ld	r5,64(r1)
+	ld	r4,56(r1)
+	mtcrf	0xFF,r0
+/* Load the target address, toc and static chain reg from the function
+   descriptor returned by fixup.  */
+	ld	r0,0(r3)
+	ld	r2,8(r3)
+	mtctr	r0
+	ld	r11,16(r3)
+	ld	r3,48(r1)
+/* Load the floating point registers.  */
+	lfd	fp1,112(r1)
+	lfd	fp2,120(r1)
+	lfd	fp3,128(r1)
+	lfd	fp4,136(r1)
+	lfd	fp5,144(r1)
+	lfd	fp6,152(r1)
+	lfd	fp7,160(r1)
+	lfd	fp8,168(r1)
+	lfd	fp9,176(r1)
+	lfd	fp10,184(r1)
+	lfd	fp11,192(r1)
+	lfd	fp12,200(r1)
+	lfd	fp13,208(r1)
+/* Unwind the stack frame, and jump.  */
+	addi	r1,r1,448
+	bctr
+END(_dl_profile_resolve)
diff --git a/sysdeps/powerpc/tst-stack-align.h b/sysdeps/powerpc/tst-stack-align.h
new file mode 100644
index 0000000000..99a0ffcef7
--- /dev/null
+++ b/sysdeps/powerpc/tst-stack-align.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <stdint.h>
+
+#define TEST_STACK_ALIGN() \
+  ({									     \
+    /* Altivec __vector int etc. needs 16byte aligned stack.		     \
+       Instead of using altivec.h here, use aligned attribute instead.  */   \
+    struct _S								     \
+      {									     \
+        int _i __attribute__((aligned (16)));				     \
+	int _j[3];							     \
+      } _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 };	     \
+    double _d = 12.0;							     \
+    long double _ld = 15.0;						     \
+    int _ret = 0;							     \
+    printf ("__vector int:  { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0],   \
+            _s._j[1], _s._j[2], &_s, __alignof (_s));			     \
+    if ((((uintptr_t) &_s) & (__alignof (_s) - 1)) != 0)		     \
+      _ret = 1;								     \
+									     \
+    printf ("double:  %g %p %zu\n", _d, &_d, __alignof (double));	     \
+    if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0)		     \
+      _ret = 1;								     \
+									     \
+    printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double));    \
+    if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0)	     \
+      _ret = 1;								     \
+    _ret;								     \
+    })