2.5-18.1

author: Jakub Jelinek <jakub@redhat.com> 2007-07-12 18:26:36 +0000
committer: Jakub Jelinek <jakub@redhat.com> 2007-07-12 18:26:36 +0000
commit: 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree: 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/unix/sysv/linux/powerpc/powerpc32
parent: 7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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24 files changed, 1439 insertions, 1478 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
deleted file mode 100644
index 297e031620..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
+++ /dev/null
@@ -1,3 +0,0 @@
-clone.S
-kernel_stat.h
-fe_nomask.c
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
index 8ecbb548a2..e945834945 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
@@ -1,5 +1,5 @@
 /* brk system call for Linux/ppc.
-   Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995-97, 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
@@ -14,8 +14,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #define _ERRNO_H	1
@@ -27,28 +27,38 @@
 	.section ".text"
 ENTRY (BP_SYM (__brk))
 	DISCARD_BOUNDS (r3)	/* the bounds are meaningless, so toss 'em */
-
+	mflr	r0
 	stwu    r1,-16(r1)
+	cfi_adjust_cfa_offset (16)
 	stw	r3,8(r1)
+	stw	r0,20(r1)
+	cfi_offset (lr, 4)
 	DO_CALL(SYS_ify(brk))
 	lwz     r6,8(r1)
 #ifdef PIC
-	mflr    r4
+# ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,1f
+1:	mflr	r5
+	addis	r5,r5,__curbrk-1b@ha
+	stw	r3,__curbrk-1b@l(r5)
+# else
 	bl      _GLOBAL_OFFSET_TABLE_@local-4
 	mflr    r5
 	lwz     r5,__curbrk@got(r5)
-	mtlr    r4
 	stw     r3,0(r5)
+# endif
 #else
 	lis     r4,__curbrk@ha
 	stw     r3,__curbrk@l(r4)
 #endif
+	lwz	r0,20(r1)
 	cmplw   r6,r3
 	addi    r1,r1,16
+	mtlr	r0
 	li	r3,0
 	blelr+
 	li      r3,ENOMEM
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 END (BP_SYM (__brk))
 
 weak_alias (BP_SYM (__brk), BP_SYM (brk))
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index f232284747..37b777799c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -1,5 +1,5 @@
 /* Wrapper around clone system call.
-   Copyright (C) 1997,98,99,2000,02,2004 Free Software Foundation, Inc.
+   Copyright (C) 1997,98,99,2000,02,04,2006 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
@@ -14,8 +14,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #define _ERRNO_H	1
@@ -49,6 +49,7 @@ ENTRY (BP_SYM (__clone))
 
 	/* Set up stack frame for parent.  */
 	stwu	r1,-32(r1)
+	cfi_adjust_cfa_offset (32)
 #ifdef RESET_PID
 	stmw	r28,16(r1)
 #else
@@ -83,6 +84,10 @@ ENTRY (BP_SYM (__clone))
 	mr	r6,r8
 	mr	r7,r9
 
+	/* End FDE now, because in the child the unwind info will be
+	   wrong.  */
+	cfi_endproc
+
 	/* Do the call.  */
 	DO_CALL(SYS_ify(clone))
 
@@ -132,11 +137,13 @@ L(parent):
 #endif
 	addi	r1,r1,32
 	bnslr+
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 
 L(badargs):
 	li	r3,EINVAL
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
+
+	cfi_startproc
 END (BP_SYM (__clone))
 
 weak_alias (BP_SYM (__clone), BP_SYM (clone))
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
index 2c85a3a9e9..8d3b9ad1f4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_NOMASK_ENV for Linux/ppc.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 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
@@ -23,11 +23,11 @@
 #include <unistd.h>
 #include <sysdep.h>
 #include <sys/prctl.h>
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #if __ASSUME_NEW_PRCTL_SYSCALL == 0
 /* This is rather fiddly under Linux.  We don't have direct access,
-   and there is no system call, but we can change the bits 
+   and there is no system call, but we can change the bits
    in a signal handler's context...  */
 
 static struct sigaction oact;
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies
new file mode 100644
index 0000000000..9f70f795bc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies
@@ -0,0 +1,2 @@
+# Override ldbl-opt with powerpc32 specific routines.
+powerpc/powerpc32/fpu
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
index e79d74cb75..e83f7f04b7 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2002,2005,2006 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
@@ -23,12 +23,12 @@
 #include <sysdep.h>
 #include <sys/syscall.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #ifdef __NR_ftruncate64
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
 /* The variable is shared between all wrappers around *truncate64 calls.  */
-extern int have_no_truncate64;
+extern int __have_no_truncate64;
 #endif
 
 
@@ -39,7 +39,7 @@ __ftruncate64 (fd, length)
      off64_t length;
 {
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
-  if (! have_no_truncate64)
+  if (! __have_no_truncate64)
 #endif
     {
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
@@ -57,7 +57,7 @@ __ftruncate64 (fd, length)
 
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
       __set_errno (saved_errno);
-      have_no_truncate64 = 1;
+      __have_no_truncate64 = 1;
 #endif
     }
 
@@ -74,5 +74,5 @@ weak_alias (__ftruncate64, ftruncate64)
 
 #else
 /* Use the generic implementation.  */
-# include <sysdeps/generic/ftruncate64.c>
+# include <misc/ftruncate64.c>
 #endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
new file mode 100644
index 0000000000..c28c34664c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
@@ -0,0 +1,286 @@
+/* Save current context, powerpc32 common.
+   Copyright (C) 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
+   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., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
+
+/* This is the common implementation of getcontext for powerpc32.
+   It not complete in itself should be included in to a framework that 
+   defines:
+     __CONTEXT_FUNC_NAME
+   and if appropriate:
+     __CONTEXT_ENABLE_FPRS
+     __CONTEXT_ENABLE_VRS
+   Any archecture that implements the Vector unit is assumed to also 
+   implement the floating unit.  */
+
+/* Stack frame offsets.  */
+#define _FRAME_BACKCHAIN	0
+#define _FRAME_LR_SAVE		4
+#define _FRAME_PARM_SAVE1	8
+#define _FRAME_PARM_SAVE2	12
+#define _FRAME_PARM_SAVE3	16
+#define _FRAME_PARM_SAVE4	20
+
+#ifdef __CONTEXT_ENABLE_VRS
+	.machine	"altivec"
+#endif
+ENTRY(__CONTEXT_FUNC_NAME)
+	stwu	r1,-16(r1)
+	cfi_adjust_cfa_offset (16)
+/* Insure that the _UC_REGS start on a quadword boundary.  */
+	stw	r3,_FRAME_PARM_SAVE1(r1)
+	addi	r3,r3,_UC_REG_SPACE+12
+	clrrwi  r3,r3,4
+
+/* Save the general purpose registers */
+	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
+	mflr	r0
+	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
+	stw	r4,_UC_GREGS+(PT_R4*4)(r3)
+/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers
+   return address.  */
+	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
+	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
+	stw	r0,_FRAME_LR_SAVE+16(r1)
+	cfi_offset (lr, _FRAME_LR_SAVE)
+	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
+	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
+	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
+	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
+	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
+	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
+	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
+	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
+	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
+	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
+	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
+	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
+	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
+	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
+	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
+	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
+	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
+	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
+	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
+	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
+	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
+	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
+	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
+	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
+	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
+	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
+	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
+/* Save the value of R1.  We had to push the stack before we
+   had the address of uc_reg_space.  So compute the address of
+   the callers stack pointer and save it as R1.  */
+	addi	r8,r1,16
+	li	r0,0
+/* Save the count, exception and condition registers.  */
+	mfctr	r11
+	mfxer	r10
+	mfcr	r9
+	stw	r8,_UC_GREGS+(PT_R1*4)(r3)
+	stw	r11,_UC_GREGS+(PT_CTR*4)(r3)
+	stw	r10,_UC_GREGS+(PT_XER*4)(r3)
+	stw	r9,_UC_GREGS+(PT_CCR*4)(r3)
+/* Set the return value of getcontext to "success".  R3 is the only
+   register whose value is not preserved in the saved context.  */
+	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
+
+/* Zero fill fields that can't be set in user state. */
+	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
+	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
+
+#ifdef __CONTEXT_ENABLE_FPRS
+/* Save the floating-point registers */
+	stfd	fp0,_UC_FREGS+(0*8)(r3)
+	stfd	fp1,_UC_FREGS+(1*8)(r3)
+	stfd	fp2,_UC_FREGS+(2*8)(r3)
+	stfd	fp3,_UC_FREGS+(3*8)(r3)
+	stfd	fp4,_UC_FREGS+(4*8)(r3)
+	stfd	fp5,_UC_FREGS+(5*8)(r3)
+	stfd	fp6,_UC_FREGS+(6*8)(r3)
+	stfd	fp7,_UC_FREGS+(7*8)(r3)
+	stfd	fp8,_UC_FREGS+(8*8)(r3)
+	stfd	fp9,_UC_FREGS+(9*8)(r3)
+	stfd	fp10,_UC_FREGS+(10*8)(r3)
+	stfd	fp11,_UC_FREGS+(11*8)(r3)
+	stfd	fp12,_UC_FREGS+(12*8)(r3)
+	stfd	fp13,_UC_FREGS+(13*8)(r3)
+	stfd	fp14,_UC_FREGS+(14*8)(r3)
+	stfd	fp15,_UC_FREGS+(15*8)(r3)
+	stfd	fp16,_UC_FREGS+(16*8)(r3)
+	stfd	fp17,_UC_FREGS+(17*8)(r3)
+	stfd	fp18,_UC_FREGS+(18*8)(r3)
+	stfd	fp19,_UC_FREGS+(19*8)(r3)
+	stfd	fp20,_UC_FREGS+(20*8)(r3)
+	stfd	fp21,_UC_FREGS+(21*8)(r3)
+	stfd	fp22,_UC_FREGS+(22*8)(r3)
+	stfd	fp23,_UC_FREGS+(23*8)(r3)
+	stfd	fp24,_UC_FREGS+(24*8)(r3)
+	stfd	fp25,_UC_FREGS+(25*8)(r3)
+	stfd	fp26,_UC_FREGS+(26*8)(r3)
+	stfd	fp27,_UC_FREGS+(27*8)(r3)
+	stfd	fp28,_UC_FREGS+(28*8)(r3)
+	stfd	fp29,_UC_FREGS+(29*8)(r3)
+	mffs	fp0
+	stfd	fp30,_UC_FREGS+(30*8)(r3)
+	stfd	fp31,_UC_FREGS+(31*8)(r3)
+	stfd	fp0,_UC_FREGS+(32*8)(r3)
+
+# ifdef __CONTEXT_ENABLE_VRS
+#  ifdef PIC
+	mflr    r8
+#   ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,1f
+1:	mflr	r7
+	addis	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
+	addi	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
+#   else
+	bl      _GLOBAL_OFFSET_TABLE_@local-4
+	mflr    r7
+#   endif
+#   ifdef SHARED
+	lwz     r7,_rtld_global_ro@got(r7)
+	mtlr    r8
+	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
+#   else
+	lwz     r7,_dl_hwcap@got(r7)
+	mtlr    r8
+	lwz     r7,0(r7)
+#   endif
+#  else
+	lis	r7,_dl_hwcap@ha
+	lwz     r7,_dl_hwcap@l(r7)
+#  endif
+	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+
+	la	r10,(_UC_VREGS)(r3)
+	la	r9,(_UC_VREGS+16)(r3)
+	
+	beq	2f	/* L(no_vec) */
+/* address of the combined VSCR/VSAVE quadword.  */	
+	la	r8,(_UC_VREGS+512)(r3)
+
+/* Save the vector registers */
+	stvx  v0,0,r10
+	stvx  v1,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+/* We need to get the Vector Status and Control Register early to avoid
+   store order problems later with the VSAVE register that shares the
+   same quadword.  */
+	mfvscr	v0
+
+	stvx  v2,0,r10
+	stvx  v3,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx	v0,0,r8
+	
+	stvx  v4,0,r10
+	stvx  v5,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v6,0,r10
+	stvx  v7,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v8,0,r10
+	stvx  v9,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v10,0,r10
+	stvx  v11,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v12,0,r10
+	stvx  v13,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v14,0,r10
+	stvx  v15,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v16,0,r10
+	stvx  v17,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v18,0,r10
+	stvx  v19,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v20,0,r10
+	stvx  v21,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v22,0,r10
+	stvx  v23,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v24,0,r10
+	stvx  v25,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v26,0,r10
+	stvx  v27,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v28,0,r10
+	stvx  v29,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	mfspr	r0,VRSAVE
+	stvx  v30,0,r10
+	stvx  v31,0,r9
+
+ 	stw	r0,0(r8)
+
+2: /* L(no_vec): */
+# endif
+#endif
+/* We need to set up parms and call sigprocmask which will clobber
+   volatile registers. So before the call we need to retrieve the
+   original ucontext ptr (parm1) from stack and store the UC_REGS_PTR
+   (current R3).  */
+	lwz	r12,_FRAME_PARM_SAVE1(r1)
+	li	r4,0
+	stw	r3,_UC_REGS_PTR(r12)
+	addi	r5,r12,_UC_SIGMASK
+	li	r3,SIG_BLOCK
+	bl	__sigprocmask@local
+
+	lwz	r0,_FRAME_LR_SAVE+16(r1)
+	addi	r1,r1,16
+	mtlr	r0
+	blr
+END(__CONTEXT_FUNC_NAME)
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
index 4c75354a5f..dad1074034 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
@@ -1,5 +1,5 @@
 /* Save current context.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 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
@@ -14,362 +14,53 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <rtld-global-offsets.h>
 #include <shlib-compat.h>
+#include <kernel-features.h>
 
 #define __ASSEMBLY__
 #include <asm/ptrace.h>
 #include "ucontext_i.h"
 
-	.machine	"altivec"
-ENTRY(__getcontext)
-	stwu	r1,-16(r1)
-/* Insure that the _UC_REGS start on a quadword boundary.  */
-	stw	r3,_FRAME_PARM_SAVE1(r1)
-	addi	r3,r3,_UC_REG_SPACE+12
-	clrrwi  r3,r3,4
+#define __CONTEXT_FUNC_NAME __getcontext
+#define __CONTEXT_ENABLE_FPRS 1
+#define __CONTEXT_ENABLE_VRS 1
 
-/* Save the general purpose registers */
-	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
-	mflr	r0
-	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
-	stw	r4,_UC_GREGS+(PT_R4*4)(r3)
-/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers
-   return address.  */
-	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
-	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
-	stw	r0,_FRAME_LR_SAVE+16(r1)
-	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
-	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
-	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
-	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
-	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
-	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
-	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
-	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
-	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
-	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
-	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
-	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
-	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
-	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
-	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
-	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
-	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
-	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
-	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
-	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
-	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
-	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
-	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
-	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
-	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
-	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
-	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
-/* Save the value of R1.  We had to push the stack before we
-   had the address of uc_reg_space.  So compute the address of
-   the callers stack pointer and save it as R1.  */
-	addi	r8,r1,16
-	li	r0,0
-/* Save the count, exception and condition registers.  */
-	mfctr	r11
-	mfxer	r10
-	mfcr	r9
-	stw	r8,_UC_GREGS+(PT_R1*4)(r3)
-	stw	r11,_UC_GREGS+(PT_CTR*4)(r3)
-	stw	r10,_UC_GREGS+(PT_XER*4)(r3)
-	stw	r9,_UC_GREGS+(PT_CCR*4)(r3)
-/* Set the return value of getcontext to "success".  R3 is the only
-   register whose value is not preserved in the saved context.  */
-	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
+/* Size of ucontext in GLIBC_2.3.4 and later.  */
+#define _UC_SIZE_2_3_4	1184
 
-/* Zero fill fields that can't be set in user state. */
-	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
-	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
-
-/* Save the floating-point registers */
-	stfd	fp0,_UC_FREGS+(0*8)(r3)
-	stfd	fp1,_UC_FREGS+(1*8)(r3)
-	stfd	fp2,_UC_FREGS+(2*8)(r3)
-	stfd	fp3,_UC_FREGS+(3*8)(r3)
-	stfd	fp4,_UC_FREGS+(4*8)(r3)
-	stfd	fp5,_UC_FREGS+(5*8)(r3)
-	stfd	fp6,_UC_FREGS+(6*8)(r3)
-	stfd	fp7,_UC_FREGS+(7*8)(r3)
-	stfd	fp8,_UC_FREGS+(8*8)(r3)
-	stfd	fp9,_UC_FREGS+(9*8)(r3)
-	stfd	fp10,_UC_FREGS+(10*8)(r3)
-	stfd	fp11,_UC_FREGS+(11*8)(r3)
-	stfd	fp12,_UC_FREGS+(12*8)(r3)
-	stfd	fp13,_UC_FREGS+(13*8)(r3)
-	stfd	fp14,_UC_FREGS+(14*8)(r3)
-	stfd	fp15,_UC_FREGS+(15*8)(r3)
-	stfd	fp16,_UC_FREGS+(16*8)(r3)
-	stfd	fp17,_UC_FREGS+(17*8)(r3)
-	stfd	fp18,_UC_FREGS+(18*8)(r3)
-	stfd	fp19,_UC_FREGS+(19*8)(r3)
-	stfd	fp20,_UC_FREGS+(20*8)(r3)
-	stfd	fp21,_UC_FREGS+(21*8)(r3)
-	stfd	fp22,_UC_FREGS+(22*8)(r3)
-	stfd	fp23,_UC_FREGS+(23*8)(r3)
-	stfd	fp24,_UC_FREGS+(24*8)(r3)
-	stfd	fp25,_UC_FREGS+(25*8)(r3)
-	stfd	fp26,_UC_FREGS+(26*8)(r3)
-	stfd	fp27,_UC_FREGS+(27*8)(r3)
-	stfd	fp28,_UC_FREGS+(28*8)(r3)
-	stfd	fp29,_UC_FREGS+(29*8)(r3)
-	mffs	fp0
-	stfd	fp30,_UC_FREGS+(30*8)(r3)
-	stfd	fp31,_UC_FREGS+(31*8)(r3)
-	stfd	fp0,_UC_FREGS+(32*8)(r3)
-
-#ifdef PIC
-	mflr    r8
-	bl      _GLOBAL_OFFSET_TABLE_@local-4
-	mflr    r7
-# ifdef SHARED
-	lwz     r7,_rtld_global_ro@got(r7)
-	mtlr    r8
-	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
-# else
-	lwz     r7,_dl_hwcap@got(r7)
-	mtlr    r8
-	lwz     r7,0(r7)
-# endif
-#else
-	lis	r7,_dl_hwcap@ha
-	lwz     r7,_dl_hwcap@l(r7)
-#endif
-	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
-
-	la	r10,(_UC_VREGS)(r3)
-	la	r9,(_UC_VREGS+16)(r3)
-	
-	beq	L(no_vec)
-/* address of the combined VSCR/VSAVE quadword.  */	
-	la	r8,(_UC_VREGS+512)(r3)
-
-/* Save the vector registers */
-	stvx  v0,0,r10
-	stvx  v1,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-/* We need to get the Vector Status and Control Register early to avoid
-   store order problems later with the VSAVE register that shares the
-   same quadword.  */
-	mfvscr	v0
-
-	stvx  v2,0,r10
-	stvx  v3,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx	v0,0,r8
-	
-	stvx  v4,0,r10
-	stvx  v5,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v6,0,r10
-	stvx  v7,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v8,0,r10
-	stvx  v9,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v10,0,r10
-	stvx  v11,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v12,0,r10
-	stvx  v13,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v14,0,r10
-	stvx  v15,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v16,0,r10
-	stvx  v17,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v18,0,r10
-	stvx  v19,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v20,0,r10
-	stvx  v21,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v22,0,r10
-	stvx  v23,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v24,0,r10
-	stvx  v25,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v26,0,r10
-	stvx  v27,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v28,0,r10
-	stvx  v29,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	mfspr	r0,VRSAVE
-	stvx  v30,0,r10
-	stvx  v31,0,r9
-
- 	stw	r0,0(r8)
-
-L(no_vec):
-/* We need to set up parms and call sigprocmask which will clobber
-   volatile registers. So before the call we need to retrieve the
-   original ucontext ptr (parm1) from stack and store the UC_REGS_PTR
-   (current R3).  */
-	lwz	r12,_FRAME_PARM_SAVE1(r1)
+#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
+	.section ".text";
+ENTRY (__getcontext)
 	li	r4,0
-	stw	r3,_UC_REGS_PTR(r12)
-	addi	r5,r12,_UC_SIGMASK
-	li	r3,SIG_BLOCK
-	bl	JUMPTARGET(__sigprocmask)
-
-	lwz	r0,_FRAME_LR_SAVE+16(r1)
-	addi	r1,r1,16
-	mtlr	r0
+	li	r5,_UC_SIZE_2_3_4;
+	DO_CALL (SYS_ify (swapcontext));
+	bso-	cr0,1f
+/* the kernel does not set the return code for the success case */
+	li	r3,0
 	blr
+1:
+	b	__syscall_error@local
 END(__getcontext)
+#else
+# include "getcontext-common.S"
+#endif
 
 versioned_symbol (libc, __getcontext, getcontext, GLIBC_2_3_4)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
-
 	compat_text_section
-ENTRY(__novec_getcontext)
-	/*
-	 * Since we are not attempting to save the altivec registers,
-	 * there is no need to get the register storage space
-	 * aligned on a 16-byte boundary.
-	 */
-	addi	r3,r3,_UC_REG_SPACE
-	stw	r3,_UC_REGS_PTR - _UC_REG_SPACE(r3)
-	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
-	stw	r1,_UC_GREGS+(PT_R1*4)(r3)
-	mflr	r0
-	stwu	r1,-16(r1)
-	stw	r0,20(r1)
-	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
-	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
-	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
-	stw	r4,_UC_GREGS+(PT_R4*4)(r3)
-	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
-	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
-	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
-	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
-	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
-	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
-	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
-	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
-	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
-	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
-	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
-	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
-	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
-	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
-	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
-	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
-	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
-	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
-	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
-	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
-	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
-	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
-	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
-	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
-	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
-	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
-	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
-	mfctr	r0
-	stw	r0,_UC_GREGS+(PT_CTR*4)(r3)
-	mfxer	r0
-	stw	r0,_UC_GREGS+(PT_XER*4)(r3)
-	mfcr	r0
-	stw	r0,_UC_GREGS+(PT_CCR*4)(r3)
-
-	/* Set the return value of getcontext to "success".  R3 is the only
-	   register whose value is not preserved in the saved context.  */
-	li	r0,0
-	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
-
-	/* Zero fill fields that can't be set in user state. */
-	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
-	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
-
-	/* Save the floating-point registers */
-	stfd	fp0,_UC_FREGS+(0*8)(r3)
-	stfd	fp1,_UC_FREGS+(1*8)(r3)
-	stfd	fp2,_UC_FREGS+(2*8)(r3)
-	stfd	fp3,_UC_FREGS+(3*8)(r3)
-	stfd	fp4,_UC_FREGS+(4*8)(r3)
-	stfd	fp5,_UC_FREGS+(5*8)(r3)
-	stfd	fp6,_UC_FREGS+(6*8)(r3)
-	stfd	fp7,_UC_FREGS+(7*8)(r3)
-	stfd	fp8,_UC_FREGS+(8*8)(r3)
-	stfd	fp9,_UC_FREGS+(9*8)(r3)
-	stfd	fp10,_UC_FREGS+(10*8)(r3)
-	stfd	fp11,_UC_FREGS+(11*8)(r3)
-	stfd	fp12,_UC_FREGS+(12*8)(r3)
-	stfd	fp13,_UC_FREGS+(13*8)(r3)
-	stfd	fp14,_UC_FREGS+(14*8)(r3)
-	stfd	fp15,_UC_FREGS+(15*8)(r3)
-	stfd	fp16,_UC_FREGS+(16*8)(r3)
-	stfd	fp17,_UC_FREGS+(17*8)(r3)
-	stfd	fp18,_UC_FREGS+(18*8)(r3)
-	stfd	fp19,_UC_FREGS+(19*8)(r3)
-	stfd	fp20,_UC_FREGS+(20*8)(r3)
-	stfd	fp21,_UC_FREGS+(21*8)(r3)
-	stfd	fp22,_UC_FREGS+(22*8)(r3)
-	stfd	fp23,_UC_FREGS+(23*8)(r3)
-	stfd	fp24,_UC_FREGS+(24*8)(r3)
-	stfd	fp25,_UC_FREGS+(25*8)(r3)
-	stfd	fp26,_UC_FREGS+(26*8)(r3)
-	stfd	fp27,_UC_FREGS+(27*8)(r3)
-	stfd	fp28,_UC_FREGS+(28*8)(r3)
-	stfd	fp29,_UC_FREGS+(29*8)(r3)
-	mffs	fp0
-	stfd	fp30,_UC_FREGS+(30*8)(r3)
-	stfd	fp31,_UC_FREGS+(31*8)(r3)
-	stfd	fp0,_UC_FREGS+(32*8)(r3)
+	
+# undef __CONTEXT_FUNC_NAME	
+# define __CONTEXT_FUNC_NAME __novec_getcontext
+# undef __CONTEXT_ENABLE_VRS
 
-	addi	r5,r3,_UC_SIGMASK - _UC_REG_SPACE
-	li	r4,0
-	li	r3,SIG_BLOCK
-	bl	JUMPTARGET(__sigprocmask)
+# clude "getcontext-common.S"
 
-	lwz	r0,20(r1)
-	addi	r1,r1,16
-	mtlr	r0
-	blr
-END(__novec_getcontext)
 	.previous
 
 compat_symbol (libc, __novec_getcontext, getcontext, GLIBC_2_3_3)
@@ -378,13 +69,13 @@ compat_symbol (libc, __novec_getcontext, getcontext, GLIBC_2_3_3)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3)
 
-#define _ERRNO_H	1
-#include <bits/errno.h>
+# define _ERRNO_H	1
+# include <bits/errno.h>
 
 	compat_text_section
 ENTRY (__getcontext_stub)
 	li	r3,ENOSYS
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 END (__getcontext_stub)
 	.previous
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
index 5615718e11..9451f9eb36 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
@@ -1,5 +1,5 @@
 /* Set up a context to call a function.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 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
@@ -14,8 +14,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <shlib-compat.h>
@@ -26,9 +26,7 @@
 
 ENTRY(__makecontext)
 	/* Set up the first 7 args to the function in its registers */
-	addi	r11,r3,_UC_REG_SPACE+12
-	clrrwi  r11,r11,4
-	stw	r11,_UC_REGS_PTR(r3)
+	lwz	r11,_UC_REGS_PTR(r3)
 	stw	r6,_UC_GREGS+(PT_R3*4)(r11)
 	stw	r7,_UC_GREGS+(PT_R4*4)(r11)
 	stw	r8,_UC_GREGS+(PT_R5*4)(r11)
@@ -49,10 +47,12 @@ ENTRY(__makecontext)
 	/* Set the function's LR to point to the exitcode below. */
 #ifdef PIC
 	mflr	r0
+	cfi_register(lr,r0)
 	bl	1f
 1:	mflr	r6
 	addi	r6,r6,L(exitcode)-1b
 	mtlr	r0
+	cfi_same_value (lr)
 #else
 	lis	r6,L(exitcode)@ha
 	addi	r6,r6,L(exitcode)@l
@@ -101,7 +101,7 @@ ENTRY(__makecontext)
 L(exitcode):
 	mr.	r3,r31
 	beq	4f
-	bl	JUMPTARGET(__setcontext)
+	bl	__setcontext@local
 4:	bl	HIDDEN_JUMPTARGET(exit)
 	b	4b
 
@@ -136,10 +136,12 @@ ENTRY(__novec_makecontext)
 	/* Set the function's LR to point to the exitcode below. */
 #ifdef PIC
 	mflr	r0
+	cfi_register(lr,r0)
 	bl	1f
 1:	mflr	r6
 	addi	r6,r6,L(novec_exitcode)-1b
 	mtlr	r0
+	cfi_same_value (lr)
 #else
 	lis	r6,L(novec_exitcode)@ha
 	addi	r6,r6,L(novec_exitcode)@l
@@ -188,7 +190,7 @@ ENTRY(__novec_makecontext)
 L(novec_exitcode):
 	mr.	r3,r31
 	beq	4f
-	bl	JUMPTARGET(__novec_setcontext)
+	bl	__novec_setcontext@local
 4:	bl	HIDDEN_JUMPTARGET(exit)
 	b	4b
 
@@ -206,7 +208,7 @@ compat_symbol (libc, __novec_makecontext, makecontext, GLIBC_2_3_3)
 	compat_text_section
 ENTRY (__makecontext_stub)
 	li	r3,ENOSYS
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 END (__makecontext_stub)
 	.previous
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c
index 495c98ab97..4d9fa263c4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
-   Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -26,7 +26,7 @@
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
 
@@ -58,7 +58,7 @@ __libc_pread (fd, buf, count, offset)
 
       return result;
     }
-  
+
   int oldtype = LIBC_CANCEL_ASYNC ();
 
   /* On PPC32 64bit values are aligned in odd/even register pairs.  */
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c
index d4fe1eea2d..9527554e9b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
-   Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -25,7 +25,7 @@
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c
index 3727fa7a42..32383f4301 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
-   Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -26,7 +26,7 @@
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c
index 080c88cf29..acc250a88f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
-   Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -25,7 +25,7 @@
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
new file mode 100644
index 0000000000..40a7a24f19
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
@@ -0,0 +1,293 @@
+/* Jump to a new context powerpc32 common.
+   Copyright (C) 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
+   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., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
+
+/* This is the common implementation of setcontext for powerpc32.
+   It not complete in itself should be included in to a framework that 
+   defines:
+     __CONTEXT_FUNC_NAME
+   and if appropriate:
+     __CONTEXT_ENABLE_FPRS
+     __CONTEXT_ENABLE_VRS
+   Any archecture that implements the Vector unit is assumed to also 
+   implement the floating unit.  */
+
+/* Stack frame offsets.  */
+#define _FRAME_BACKCHAIN	0
+#define _FRAME_LR_SAVE		4
+#define _FRAME_PARM_SAVE1	8
+#define _FRAME_PARM_SAVE2	12
+#define _FRAME_PARM_SAVE3	16
+#define _FRAME_PARM_SAVE4	20
+
+#ifdef __CONTEXT_ENABLE_VRS
+	.machine	"altivec"
+#endif
+ENTRY(__CONTEXT_FUNC_NAME)
+	mflr	r0
+	stwu	r1,-16(r1)
+	cfi_adjust_cfa_offset (16)
+	stw	r0,20(r1)
+	cfi_offset (lr, _FRAME_LR_SAVE)
+	stw	r31,12(r1)
+	cfi_offset(r31,-4)
+	lwz	r31,_UC_REGS_PTR(r3)
+
+	/*
+	 * If this ucontext refers to the point where we were interrupted
+	 * by a signal, we have to use the rt_sigreturn system call to
+	 * return to the context so we get both LR and CTR restored.
+	 *
+	 * Otherwise, the context we are restoring is either just after
+	 * a procedure call (getcontext/swapcontext) or at the beginning
+	 * of a procedure call (makecontext), so we don't need to restore
+	 * r0, xer, ctr.  We don't restore r2 since it will be used as
+	 * the TLS pointer.
+	 */
+	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
+	cmpwi	r0,0
+	bne	4f	/* L(do_sigret) */
+
+	/* Restore the signal mask */
+	li	r5,0
+	addi	r4,r3,_UC_SIGMASK
+	li	r3,SIG_SETMASK
+	bl	__sigprocmask@local
+	cmpwi	r3,0
+	bne	3f	/* L(error_exit) */
+
+#ifdef __CONTEXT_ENABLE_FPRS
+# ifdef __CONTEXT_ENABLE_VRS
+#  ifdef PIC
+	mflr    r8
+#   ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,1f
+1:	mflr	r7
+	addis	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
+	addi	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
+#   else
+	bl      _GLOBAL_OFFSET_TABLE_@local-4
+	mflr    r7
+#   endif
+#   ifdef SHARED
+	lwz     r7,_rtld_global_ro@got(r7)
+	mtlr    r8
+	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
+#   else
+	lwz     r7,_dl_hwcap@got(r7)
+	mtlr    r8
+	lwz     r7,0(r7)
+#   endif
+#  else
+	lis	r7,_dl_hwcap@ha
+	lwz     r7,_dl_hwcap@l(r7)
+#  endif
+	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+	la	r10,(_UC_VREGS)(r31)
+	beq	2f	/* L(has_no_vec) */
+
+	lwz   r0,(32*16)(r10)
+	li    r9,(32*16)
+	cmpwi r0,0
+	mtspr VRSAVE,r0
+	beq	2f	/* L(has_no_vec) */
+
+	lvx   v19,r9,r10
+	la    r9,(16)(r10)
+
+	lvx   v0,0,r10
+	lvx   v1,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	mtvscr  v19
+	lvx   v2,0,r10
+	lvx   v3,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v4,0,r10
+	lvx   v5,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v6,0,r10
+	lvx   v7,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v8,0,r10
+	lvx   v9,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v10,0,r10
+	lvx   v11,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v12,0,r10
+	lvx   v13,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v14,0,r10
+	lvx   v15,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v16,0,r10
+	lvx   v17,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v18,0,r10
+	lvx   v19,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v20,0,r10
+	lvx   v21,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v22,0,r10
+	lvx   v23,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v24,0,r10
+	lvx   v25,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v26,0,r10
+	lvx   v27,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v28,0,r10
+	lvx   v29,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v30,0,r10
+	lvx   v31,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v10,0,r10
+	lvx   v11,0,r9
+
+2: /* L(has_no_vec): */
+# endif /* __CONTEXT_ENABLE_VRS */
+	/* Restore the floating-point registers */
+	lfd	fp31,_UC_FREGS+(32*8)(r31)
+	lfd	fp0,_UC_FREGS+(0*8)(r31)
+	mtfsf	0xff,fp31
+	lfd	fp1,_UC_FREGS+(1*8)(r31)
+	lfd	fp2,_UC_FREGS+(2*8)(r31)
+	lfd	fp3,_UC_FREGS+(3*8)(r31)
+	lfd	fp4,_UC_FREGS+(4*8)(r31)
+	lfd	fp5,_UC_FREGS+(5*8)(r31)
+	lfd	fp6,_UC_FREGS+(6*8)(r31)
+	lfd	fp7,_UC_FREGS+(7*8)(r31)
+	lfd	fp8,_UC_FREGS+(8*8)(r31)
+	lfd	fp9,_UC_FREGS+(9*8)(r31)
+	lfd	fp10,_UC_FREGS+(10*8)(r31)
+	lfd	fp11,_UC_FREGS+(11*8)(r31)
+	lfd	fp12,_UC_FREGS+(12*8)(r31)
+	lfd	fp13,_UC_FREGS+(13*8)(r31)
+	lfd	fp14,_UC_FREGS+(14*8)(r31)
+	lfd	fp15,_UC_FREGS+(15*8)(r31)
+	lfd	fp16,_UC_FREGS+(16*8)(r31)
+	lfd	fp17,_UC_FREGS+(17*8)(r31)
+	lfd	fp18,_UC_FREGS+(18*8)(r31)
+	lfd	fp19,_UC_FREGS+(19*8)(r31)
+	lfd	fp20,_UC_FREGS+(20*8)(r31)
+	lfd	fp21,_UC_FREGS+(21*8)(r31)
+	lfd	fp22,_UC_FREGS+(22*8)(r31)
+	lfd	fp23,_UC_FREGS+(23*8)(r31)
+	lfd	fp24,_UC_FREGS+(24*8)(r31)
+	lfd	fp25,_UC_FREGS+(25*8)(r31)
+	lfd	fp26,_UC_FREGS+(26*8)(r31)
+	lfd	fp27,_UC_FREGS+(27*8)(r31)
+	lfd	fp28,_UC_FREGS+(28*8)(r31)
+	lfd	fp29,_UC_FREGS+(29*8)(r31)
+	lfd	fp30,_UC_FREGS+(30*8)(r31)
+	lfd	fp31,_UC_FREGS+(31*8)(r31)
+#endif /* __CONTEXT_ENABLE_FPRS */
+
+	/* Restore LR and CCR, and set CTR to the NIP value */
+	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
+	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
+	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
+	mtlr	r3
+	mtctr	r4
+	mtcr	r5
+
+	/* Restore the general registers */
+	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
+	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
+	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
+	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
+	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
+	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
+	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
+	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
+	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
+	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
+	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
+	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
+	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
+	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
+	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
+	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
+	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
+	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
+	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
+	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
+	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
+	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
+	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
+	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
+	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
+	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
+	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
+	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
+	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
+	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
+
+	bctr
+
+3: /* L(error_exit): */
+	lwz	r31,12(r1)
+	lwz	r0,20(r1)
+	addi	r1,r1,16
+	mtlr	r0
+	blr
+
+
+4: /* L(do_sigret): */
+	addi	r1,r3,-0xd0
+	li	r0,SYS_ify(rt_sigreturn)
+	sc
+	/* NOTREACHED */
+
+END (__CONTEXT_FUNC_NAME)
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
index 2d4fa9910e..1f2e250057 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
@@ -1,5 +1,5 @@
 /* Jump to a new context.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 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
@@ -14,383 +14,55 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <rtld-global-offsets.h>
 #include <shlib-compat.h>
+#include <kernel-features.h>
 
 #define __ASSEMBLY__
 #include <asm/ptrace.h>
 #include "ucontext_i.h"
 
-	.machine	"altivec"
-ENTRY(__setcontext)
-	mflr	r0
-	stwu	r1,-16(r1)
-	stw	r0,20(r1)
-	stw	r31,12(r1)
-	lwz	r31,_UC_REGS_PTR(r3)
-
-	/*
-	 * If this ucontext refers to the point where we were interrupted
-	 * by a signal, we have to use the rt_sigreturn system call to
-	 * return to the context so we get both LR and CTR restored.
-	 *
-	 * Otherwise, the context we are restoring is either just after
-	 * a procedure call (getcontext/swapcontext) or at the beginning
-	 * of a procedure call (makecontext), so we don't need to restore
-	 * r0, xer, ctr.  We don't restore r2 since it will be used as
-	 * the TLS pointer.
-	 */
-	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
-	cmpwi	r0,0
-	bne	L(do_sigret)
-
-	/* Restore the signal mask */
-	li	r5,0
-	addi	r4,r3,_UC_SIGMASK
-	li	r3,SIG_SETMASK
-	bl	JUMPTARGET(__sigprocmask)
-	cmpwi	r3,0
-	bne	L(error_exit)
-
-#ifdef PIC
-	mflr    r8
-	bl      _GLOBAL_OFFSET_TABLE_@local-4
-	mflr    r7
-# ifdef SHARED
-	lwz     r7,_rtld_global_ro@got(r7)
-	mtlr    r8
-	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
-# else
-	lwz     r7,_dl_hwcap@got(r7)
-	mtlr    r8
-	lwz     r7,0(r7)
-# endif
+#define __CONTEXT_FUNC_NAME __setcontext
+#define __CONTEXT_ENABLE_FPRS 1
+#define __CONTEXT_ENABLE_VRS 1
+
+/* Size of ucontext in GLIBC_2.3.4 and later.  */
+#define _UC_SIZE_2_3_4	1184
+
+#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
+	.section ".text";
+ENTRY (__setcontext)
+	mr	r4,r3
+	li	r3,0
+	li	r5,_UC_SIZE_2_3_4;
+	DO_CALL (SYS_ify (swapcontext));
+	bso-	cr0,1f
+/* the kernel does not set the return code for the success case */
+	li	r3,0
+	blr
+1:
+	b	__syscall_error@local
+END(__setcontext)
 #else
-	lis	r7,_dl_hwcap@ha
-	lwz     r7,_dl_hwcap@l(r7)
+# include "setcontext-common.S"
 #endif
-	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
-	la	r10,(_UC_VREGS)(r31)
-	beq	L(has_no_vec)
-
-	lwz   r0,(32*16)(r10)
-	li    r9,(32*16)
-	cmpwi r0,0
-	mtspr VRSAVE,r0
-	beq   L(has_no_vec)
-
-	lvx   v19,r9,r10
-	la    r9,(16)(r10)
-
-	lvx   v0,0,r10
-	lvx   v1,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	mtvscr  v19
-	lvx   v2,0,r10
-	lvx   v3,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v4,0,r10
-	lvx   v5,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v6,0,r10
-	lvx   v7,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v8,0,r10
-	lvx   v9,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v10,0,r10
-	lvx   v11,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v12,0,r10
-	lvx   v13,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v14,0,r10
-	lvx   v15,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v16,0,r10
-	lvx   v17,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v18,0,r10
-	lvx   v19,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v20,0,r10
-	lvx   v21,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v22,0,r10
-	lvx   v23,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v24,0,r10
-	lvx   v25,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v26,0,r10
-	lvx   v27,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v28,0,r10
-	lvx   v29,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v30,0,r10
-	lvx   v31,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v10,0,r10
-	lvx   v11,0,r9
-
-L(has_no_vec):
-	/* Restore the floating-point registers */
-	lfd	fp31,_UC_FREGS+(32*8)(r31)
-	lfd	fp0,_UC_FREGS+(0*8)(r31)
-	mtfsf	0xff,fp31
-	lfd	fp1,_UC_FREGS+(1*8)(r31)
-	lfd	fp2,_UC_FREGS+(2*8)(r31)
-	lfd	fp3,_UC_FREGS+(3*8)(r31)
-	lfd	fp4,_UC_FREGS+(4*8)(r31)
-	lfd	fp5,_UC_FREGS+(5*8)(r31)
-	lfd	fp6,_UC_FREGS+(6*8)(r31)
-	lfd	fp7,_UC_FREGS+(7*8)(r31)
-	lfd	fp8,_UC_FREGS+(8*8)(r31)
-	lfd	fp9,_UC_FREGS+(9*8)(r31)
-	lfd	fp10,_UC_FREGS+(10*8)(r31)
-	lfd	fp11,_UC_FREGS+(11*8)(r31)
-	lfd	fp12,_UC_FREGS+(12*8)(r31)
-	lfd	fp13,_UC_FREGS+(13*8)(r31)
-	lfd	fp14,_UC_FREGS+(14*8)(r31)
-	lfd	fp15,_UC_FREGS+(15*8)(r31)
-	lfd	fp16,_UC_FREGS+(16*8)(r31)
-	lfd	fp17,_UC_FREGS+(17*8)(r31)
-	lfd	fp18,_UC_FREGS+(18*8)(r31)
-	lfd	fp19,_UC_FREGS+(19*8)(r31)
-	lfd	fp20,_UC_FREGS+(20*8)(r31)
-	lfd	fp21,_UC_FREGS+(21*8)(r31)
-	lfd	fp22,_UC_FREGS+(22*8)(r31)
-	lfd	fp23,_UC_FREGS+(23*8)(r31)
-	lfd	fp24,_UC_FREGS+(24*8)(r31)
-	lfd	fp25,_UC_FREGS+(25*8)(r31)
-	lfd	fp26,_UC_FREGS+(26*8)(r31)
-	lfd	fp27,_UC_FREGS+(27*8)(r31)
-	lfd	fp28,_UC_FREGS+(28*8)(r31)
-	lfd	fp29,_UC_FREGS+(29*8)(r31)
-	lfd	fp30,_UC_FREGS+(30*8)(r31)
-	lfd	fp31,_UC_FREGS+(31*8)(r31)
-
-	/* Restore LR and CCR, and set CTR to the NIP value */
-	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
-	mtlr	r3
-	mtctr	r4
-	mtcr	r5
-
-	/* Restore the general registers */
-	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
-	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
-	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
-	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
-	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
-	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
-	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
-	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
-	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
-	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
-	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
-	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
-	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
-	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
-	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
-	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
-	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
-	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
-	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
-	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
-	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
-	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
-	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
-	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
-	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
-	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
-	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
-	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
-
-	bctr
-
-L(error_exit):
-	lwz	r31,12(r1)
-	lwz	r0,20(r1)
-	addi	r1,r1,16
-	mtlr	r0
-	blr
-
-L(do_sigret):
-	addi	r1,r3,-0xd0
-	li	r0,SYS_ify(rt_sigreturn)
-	sc
-	/* NOTREACHED */
-
-END (__setcontext)
 
 versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
 
 	compat_text_section
-ENTRY(__novec_setcontext)
-	mflr	r0
-	stwu	r1,-16(r1)
-	stw	r0,20(r1)
-	stw	r31,12(r1)
-	lwz	r31,_UC_REGS_PTR(r3)
-
-	/*
-	 * If this ucontext refers to the point where we were interrupted
-	 * by a signal, we have to use the rt_sigreturn system call to
-	 * return to the context so we get both LR and CTR restored.
-	 *
-	 * Otherwise, the context we are restoring is either just after
-	 * a procedure call (getcontext/swapcontext) or at the beginning
-	 * of a procedure call (makecontext), so we don't need to restore
-	 * r0, xer, ctr.  We don't restore r2 since it will be used as
-	 * the TLS pointer.
-	 */
-	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
-	cmpwi	r0,0
-	bne	L(novec_do_sigret)
-
-	/* Restore the signal mask */
-	li	r5,0
-	addi	r4,r3,_UC_SIGMASK
-	li	r3,SIG_SETMASK
-	bl	JUMPTARGET(__sigprocmask)
-	cmpwi	r3,0
-	bne	L(novec_error_exit)
-
-	/* Restore the floating-point registers */
-	lfd	fp31,_UC_FREGS+(32*8)(r31)
-	lfd	fp0,_UC_FREGS+(0*8)(r31)
-	mtfsf	0xff,fp31
-	lfd	fp1,_UC_FREGS+(1*8)(r31)
-	lfd	fp2,_UC_FREGS+(2*8)(r31)
-	lfd	fp3,_UC_FREGS+(3*8)(r31)
-	lfd	fp4,_UC_FREGS+(4*8)(r31)
-	lfd	fp5,_UC_FREGS+(5*8)(r31)
-	lfd	fp6,_UC_FREGS+(6*8)(r31)
-	lfd	fp7,_UC_FREGS+(7*8)(r31)
-	lfd	fp8,_UC_FREGS+(8*8)(r31)
-	lfd	fp9,_UC_FREGS+(9*8)(r31)
-	lfd	fp10,_UC_FREGS+(10*8)(r31)
-	lfd	fp11,_UC_FREGS+(11*8)(r31)
-	lfd	fp12,_UC_FREGS+(12*8)(r31)
-	lfd	fp13,_UC_FREGS+(13*8)(r31)
-	lfd	fp14,_UC_FREGS+(14*8)(r31)
-	lfd	fp15,_UC_FREGS+(15*8)(r31)
-	lfd	fp16,_UC_FREGS+(16*8)(r31)
-	lfd	fp17,_UC_FREGS+(17*8)(r31)
-	lfd	fp18,_UC_FREGS+(18*8)(r31)
-	lfd	fp19,_UC_FREGS+(19*8)(r31)
-	lfd	fp20,_UC_FREGS+(20*8)(r31)
-	lfd	fp21,_UC_FREGS+(21*8)(r31)
-	lfd	fp22,_UC_FREGS+(22*8)(r31)
-	lfd	fp23,_UC_FREGS+(23*8)(r31)
-	lfd	fp24,_UC_FREGS+(24*8)(r31)
-	lfd	fp25,_UC_FREGS+(25*8)(r31)
-	lfd	fp26,_UC_FREGS+(26*8)(r31)
-	lfd	fp27,_UC_FREGS+(27*8)(r31)
-	lfd	fp28,_UC_FREGS+(28*8)(r31)
-	lfd	fp29,_UC_FREGS+(29*8)(r31)
-	lfd	fp30,_UC_FREGS+(30*8)(r31)
-	lfd	fp31,_UC_FREGS+(31*8)(r31)
-
-	/* Restore LR and CCR, and set CTR to the NIP value */
-	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
-	mtlr	r3
-	mtctr	r4
-	mtcr	r5
-
-	/* Restore the general registers */
-	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
-	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
-	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
-	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
-	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
-	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
-	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
-	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
-	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
-	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
-	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
-	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
-	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
-	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
-	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
-	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
-	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
-	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
-	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
-	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
-	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
-	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
-	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
-	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
-	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
-	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
-	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
-	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
-
-	bctr
-
-L(novec_error_exit):
-	lwz	r31,12(r1)
-	lwz	r0,20(r1)
-	addi	r1,r1,16
-	mtlr	r0
-	blr
+	
+# undef __CONTEXT_FUNC_NAME	
+# define __CONTEXT_FUNC_NAME __novec_setcontext
+# undef __CONTEXT_ENABLE_VRS
 
-L(novec_do_sigret):
-	addi	r1,r3,-0xd0
-	li	r0,SYS_ify(rt_sigreturn)
-	sc
-	/* NOTREACHED */
+# include "setcontext-common.S"
 
-END (__novec_setcontext)
 	.previous
 
 compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3)
@@ -399,13 +71,13 @@ compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_3)
 
-#define _ERRNO_H	1
-#include <bits/errno.h>
+# define _ERRNO_H	1
+# include <bits/errno.h>
 
 	compat_text_section
 ENTRY (__setcontext_stub)
 	li	r3,ENOSYS
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 END (__setcontext_stub)
 	.previous
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S
index c52ad9babf..0bb5bef78b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1999, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1995,96,97,99, 2003, 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
@@ -13,8 +13,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep-cancel.h>
 #include <socketcall.h>
@@ -39,15 +39,20 @@
 #define NARGS 3
 #endif
 
+/* 0(r1) and 4(r1) are reserved by the ABI, 8(r1), 12(r1), 16(r1) are used
+   for temp saves.  44(r1) is used to save r30.  */
 #define stackblock 20
 
 #ifndef __socket
-#define __socket P(__,socket)
+# ifndef NO_WEAK_ALIAS
+#  define __socket P(__,socket)
+# else
+#  define __socket socket
+# endif
 #endif
 
 	.text
 ENTRY(__socket)
-	cfi_startproc
 	stwu r1,-48(r1)
 	cfi_adjust_cfa_offset(48)
 #if NARGS >= 1
@@ -69,12 +74,6 @@ ENTRY(__socket)
 	stw  r8,20+stackblock(r1)
 #endif
 #if NARGS >= 7
-	stw  r9,24+stackblock(r1)
-#endif
-#if NARGS >= 8
-	stw  r10,28+stackblock(r1)
-#endif
-#if NARGS >= 9
 #error too many arguments!
 #endif
 
@@ -94,6 +93,7 @@ ENTRY(__socket)
 	mflr	r9
 	stw	r9,52(r1)
 	cfi_offset (lr, 4)
+	CGOTSETUP
 	CENABLE
 	stw	r3,16(r1)
 	li	r3,P(SOCKOP_,socket)
@@ -107,13 +107,15 @@ ENTRY(__socket)
 	lwz	r4,52(r1)
 	lwz	r0,12(r1)
 	lwz	r3,8(r1)
+	CGOTRESTORE
 	mtlr	r4
 	mtcr	r0
 	addi	r1,r1,48
 	PSEUDO_RET
 #endif
-	cfi_endproc
 
 PSEUDO_END (__socket)
 
+#ifndef NO_WEAK_ALIAS
 weak_alias (__socket, socket)
+#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
new file mode 100644
index 0000000000..0c7b945ed2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
@@ -0,0 +1,517 @@
+/* Save current context and jump to a new context.
+   Copyright (C) 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
+   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., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
+
+/* This is the common implementation of setcontext for powerpc32.
+   It not complete in itself should be included in to a framework that 
+   defines:
+     __CONTEXT_FUNC_NAME
+   and if appropriate:
+     __CONTEXT_ENABLE_FPRS
+     __CONTEXT_ENABLE_VRS
+   Any archecture that implements the Vector unit is assumed to also 
+   implement the floating unit.  */
+
+/* Stack frame offsets.  */
+#define _FRAME_BACKCHAIN	0
+#define _FRAME_LR_SAVE		4
+#define _FRAME_PARM_SAVE1	8
+#define _FRAME_PARM_SAVE2	12
+#define _FRAME_PARM_SAVE3	16
+#define _FRAME_PARM_SAVE4	20
+
+#ifdef __CONTEXT_ENABLE_VRS
+	.machine	"altivec"
+#endif
+ENTRY(__CONTEXT_FUNC_NAME)
+	stwu	r1,-16(r1)
+	cfi_adjust_cfa_offset (16)
+/* Insure that the _UC_REGS start on a quadword boundary.  */
+	stw	r3,_FRAME_PARM_SAVE1(r1)
+	addi	r3,r3,_UC_REG_SPACE+12
+	stw	r4,_FRAME_PARM_SAVE2(r1)	/* new context pointer */
+	clrrwi  r3,r3,4
+
+/* Save the general purpose registers */
+	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
+	mflr	r0
+	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
+	stw	r4,_UC_GREGS+(PT_R4*4)(r3)			
+/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers
+   return address.  */
+	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
+	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
+	stw	r0,_FRAME_LR_SAVE+16(r1)
+	cfi_offset (lr, _FRAME_LR_SAVE)
+	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
+	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
+	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
+	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
+	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
+	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
+	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
+	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
+	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
+	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
+	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
+	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
+	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
+	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
+	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
+	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
+	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
+	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
+	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
+	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
+	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
+	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
+	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
+	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
+	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
+	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
+	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
+	
+/* Save the value of R1.  We had to push the stack before we
+   had the address of uc_reg_space.  So compute the address of
+   the callers stack pointer and save it as R1.  */
+	addi	r8,r1,16
+	li	r0,0
+/* Save the count, exception and condition registers.  */
+	mfctr	r11
+	mfxer	r10
+	mfcr	r9
+	stw	r8,_UC_GREGS+(PT_R1*4)(r3)
+	stw	r11,_UC_GREGS+(PT_CTR*4)(r3)
+	stw	r10,_UC_GREGS+(PT_XER*4)(r3)
+	stw	r9,_UC_GREGS+(PT_CCR*4)(r3)
+/* Set the return value of getcontext to "success".  R3 is the only
+   register whose value is not preserved in the saved context.  */
+	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
+
+	/* Zero fill fields that can't be set in user state. */
+	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
+	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
+
+#ifdef __CONTEXT_ENABLE_FPRS
+	/* Save the floating-point registers */
+	stfd	fp0,_UC_FREGS+(0*8)(r3)
+	stfd	fp1,_UC_FREGS+(1*8)(r3)
+	stfd	fp2,_UC_FREGS+(2*8)(r3)
+	stfd	fp3,_UC_FREGS+(3*8)(r3)
+	stfd	fp4,_UC_FREGS+(4*8)(r3)
+	stfd	fp5,_UC_FREGS+(5*8)(r3)
+	stfd	fp6,_UC_FREGS+(6*8)(r3)
+	stfd	fp7,_UC_FREGS+(7*8)(r3)
+	stfd	fp8,_UC_FREGS+(8*8)(r3)
+	stfd	fp9,_UC_FREGS+(9*8)(r3)
+	stfd	fp10,_UC_FREGS+(10*8)(r3)
+	stfd	fp11,_UC_FREGS+(11*8)(r3)
+	stfd	fp12,_UC_FREGS+(12*8)(r3)
+	stfd	fp13,_UC_FREGS+(13*8)(r3)
+	stfd	fp14,_UC_FREGS+(14*8)(r3)
+	stfd	fp15,_UC_FREGS+(15*8)(r3)
+	stfd	fp16,_UC_FREGS+(16*8)(r3)
+	stfd	fp17,_UC_FREGS+(17*8)(r3)
+	stfd	fp18,_UC_FREGS+(18*8)(r3)
+	stfd	fp19,_UC_FREGS+(19*8)(r3)
+	stfd	fp20,_UC_FREGS+(20*8)(r3)
+	stfd	fp21,_UC_FREGS+(21*8)(r3)
+	stfd	fp22,_UC_FREGS+(22*8)(r3)
+	stfd	fp23,_UC_FREGS+(23*8)(r3)
+	stfd	fp24,_UC_FREGS+(24*8)(r3)
+	stfd	fp25,_UC_FREGS+(25*8)(r3)
+	stfd	fp26,_UC_FREGS+(26*8)(r3)
+	stfd	fp27,_UC_FREGS+(27*8)(r3)
+	stfd	fp28,_UC_FREGS+(28*8)(r3)
+	stfd	fp29,_UC_FREGS+(29*8)(r3)
+	mffs	fp0
+	stfd	fp30,_UC_FREGS+(30*8)(r3)
+	stfd	fp31,_UC_FREGS+(31*8)(r3)
+	stfd	fp0,_UC_FREGS+(32*8)(r3)
+	
+# ifdef __CONTEXT_ENABLE_VRS
+#  ifdef PIC
+	mflr    r8
+#   ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,1f
+1:	mflr	r7
+	addis	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
+	addi	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
+#   else
+	bl      _GLOBAL_OFFSET_TABLE_@local-4
+	mflr    r7
+#   endif
+#   ifdef SHARED
+	lwz     r7,_rtld_global_ro@got(r7)
+	mtlr    r8
+	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
+#   else
+	lwz     r7,_dl_hwcap@got(r7)
+	mtlr    r8
+	lwz     r7,0(r7)
+#   endif
+#  else
+	lis	r7,_dl_hwcap@ha
+	lwz     r7,_dl_hwcap@l(r7)
+#  endif
+	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+
+	la	r10,(_UC_VREGS)(r3)
+	la	r9,(_UC_VREGS+16)(r3)
+	
+/*	beq	L(no_vec)*/
+	beq	2f
+/* address of the combined VSCR/VSAVE quadword.  */	
+	la	r8,(_UC_VREGS+512)(r3)
+
+/* Save the vector registers */
+	stvx  v0,0,r10
+	stvx  v1,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+/* We need to get the Vector Status and Control Register early to avoid
+   store order problems later with the VSAVE register that shares the
+   same quadword.  */
+	mfvscr	v0
+
+	stvx  v2,0,r10
+	stvx  v3,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+	
+	stvx	v0,0,r8
+
+	stvx  v4,0,r10
+	stvx  v5,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v6,0,r10
+	stvx  v7,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v8,0,r10
+	stvx  v9,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v10,0,r10
+	stvx  v11,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v12,0,r10
+	stvx  v13,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v14,0,r10
+	stvx  v15,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v16,0,r10
+	stvx  v17,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v18,0,r10
+	stvx  v19,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v20,0,r10
+	stvx  v21,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v22,0,r10
+	stvx  v23,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v24,0,r10
+	stvx  v25,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v26,0,r10
+	stvx  v27,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	stvx  v28,0,r10
+	stvx  v29,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	mfvscr	v0
+	stvx  v30,0,r10
+	stvx  v31,0,r9
+ 	stw	r0,0(r8)
+	
+2: /*L(no_vec):*/
+# endif /* __CONTEXT_ENABLE_VRS */
+#endif /* __CONTEXT_ENABLE_FPRS */
+
+/* Restore ucontext (parm1) from stack.  */
+	lwz	r12,_FRAME_PARM_SAVE1(r1)
+	li	r4,0
+	stw	r3,_UC_REGS_PTR(r12)
+	addi	r5,r12,_UC_SIGMASK
+	li	r3,SIG_SETMASK
+	bl	__sigprocmask@local
+	cmpwi	r3,0
+	bne	3f	/* L(error_exit) */
+
+	/*
+	 * If the new ucontext refers to the point where we were interrupted
+	 * by a signal, we have to use the rt_sigreturn system call to
+	 * return to the context so we get both LR and CTR restored.
+	 *
+	 * Otherwise, the context we are restoring is either just after
+	 * a procedure call (getcontext/swapcontext) or at the beginning
+	 * of a procedure call (makecontext), so we don't need to restore
+	 * r0, xer, ctr.  We don't restore r2 since it will be used as
+	 * the TLS pointer.
+	 */
+	lwz	r4,_FRAME_PARM_SAVE2(r1)
+	lwz	r31,_UC_REGS_PTR(r4)
+	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
+	cmpwi	r0,0
+	bne	4f	/* L(do_sigret) */
+
+#ifdef __CONTEXT_ENABLE_FPRS
+# ifdef __CONTEXT_ENABLE_VRS
+
+#  ifdef PIC
+	mflr    r8
+#   ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,5f
+5:	mflr	r7
+	addis	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
+	addi	r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
+#   else
+	bl      _GLOBAL_OFFSET_TABLE_@local-4
+	mflr    r7
+#   endif
+	mtlr    r8
+#   ifdef SHARED
+	lwz     r7,_rtld_global_ro@got(r7)
+	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
+#   else
+	lwz     r7,_dl_hwcap@got(r7)
+	lwz     r7,0(r7)
+#   endif
+#  else
+	lis	r7,_dl_hwcap@ha
+	lwz     r7,_dl_hwcap@l(r7)
+#  endif
+	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+	la	r10,(_UC_VREGS)(r31)
+	beq	6f	/* L(has_no_vec) */
+
+	lwz   r0,(32*16)(r10)
+	li    r9,(32*16)
+	cmpwi r0,0
+	mtspr VRSAVE,r0
+	beq	6f	/* L(has_no_vec) */
+
+	lvx   v19,r9,r10
+	la    r9,(16)(r10)
+
+	lvx   v0,0,r10
+	lvx   v1,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	mtvscr  v19
+	lvx   v2,0,r10
+	lvx   v3,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v4,0,r10
+	lvx   v5,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v6,0,r10
+	lvx   v7,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v8,0,r10
+	lvx   v9,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v10,0,r10
+	lvx   v11,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v12,0,r10
+	lvx   v13,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v14,0,r10
+	lvx   v15,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v16,0,r10
+	lvx   v17,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v18,0,r10
+	lvx   v19,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v20,0,r10
+	lvx   v21,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v22,0,r10
+	lvx   v23,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v24,0,r10
+	lvx   v25,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v26,0,r10
+	lvx   v27,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v28,0,r10
+	lvx   v29,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v30,0,r10
+	lvx   v31,0,r9
+	addi  r10,r10,32
+	addi  r9,r9,32
+
+	lvx   v10,0,r10
+	lvx   v11,0,r9
+
+6: /* L(has_no_vec): */
+# endif /* __CONTEXT_ENABLE_VRS */
+	/* Restore the floating-point registers */
+	lfd	fp31,_UC_FREGS+(32*8)(r31)
+	lfd	fp0,_UC_FREGS+(0*8)(r31)
+	mtfsf	0xff,fp31
+	lfd	fp1,_UC_FREGS+(1*8)(r31)
+	lfd	fp2,_UC_FREGS+(2*8)(r31)
+	lfd	fp3,_UC_FREGS+(3*8)(r31)
+	lfd	fp4,_UC_FREGS+(4*8)(r31)
+	lfd	fp5,_UC_FREGS+(5*8)(r31)
+	lfd	fp6,_UC_FREGS+(6*8)(r31)
+	lfd	fp7,_UC_FREGS+(7*8)(r31)
+	lfd	fp8,_UC_FREGS+(8*8)(r31)
+	lfd	fp9,_UC_FREGS+(9*8)(r31)
+	lfd	fp10,_UC_FREGS+(10*8)(r31)
+	lfd	fp11,_UC_FREGS+(11*8)(r31)
+	lfd	fp12,_UC_FREGS+(12*8)(r31)
+	lfd	fp13,_UC_FREGS+(13*8)(r31)
+	lfd	fp14,_UC_FREGS+(14*8)(r31)
+	lfd	fp15,_UC_FREGS+(15*8)(r31)
+	lfd	fp16,_UC_FREGS+(16*8)(r31)
+	lfd	fp17,_UC_FREGS+(17*8)(r31)
+	lfd	fp18,_UC_FREGS+(18*8)(r31)
+	lfd	fp19,_UC_FREGS+(19*8)(r31)
+	lfd	fp20,_UC_FREGS+(20*8)(r31)
+	lfd	fp21,_UC_FREGS+(21*8)(r31)
+	lfd	fp22,_UC_FREGS+(22*8)(r31)
+	lfd	fp23,_UC_FREGS+(23*8)(r31)
+	lfd	fp24,_UC_FREGS+(24*8)(r31)
+	lfd	fp25,_UC_FREGS+(25*8)(r31)
+	lfd	fp26,_UC_FREGS+(26*8)(r31)
+	lfd	fp27,_UC_FREGS+(27*8)(r31)
+	lfd	fp28,_UC_FREGS+(28*8)(r31)
+	lfd	fp29,_UC_FREGS+(29*8)(r31)
+	lfd	fp30,_UC_FREGS+(30*8)(r31)
+	lfd	fp31,_UC_FREGS+(31*8)(r31)
+#endif /* __CONTEXT_ENABLE_FPRS */
+
+	/* Restore LR and CCR, and set CTR to the NIP value */
+	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
+	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
+	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
+	mtlr	r3
+	mtctr	r4
+	mtcr	r5
+
+	/* Restore the general registers */
+	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
+	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
+	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
+	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
+	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
+	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
+	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
+	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
+	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
+	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
+	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
+	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
+	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
+	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
+	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
+	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
+	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
+	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
+	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
+	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
+	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
+	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
+	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
+	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
+	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
+	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
+	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
+	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
+	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
+	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
+
+	bctr
+	
+3:/*L(error_exit):*/
+	lwz	r0,_FRAME_LR_SAVE+16(r1)
+	addi	r1,r1,16
+	mtlr	r0
+	blr
+	
+4:/*L(do_sigret):*/
+	addi	r1,r4,-0xd0
+	li	r0,SYS_ify(rt_sigreturn)
+	sc
+	/* NOTREACHED */
+
+END(__CONTEXT_FUNC_NAME)
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
index c4f0faddc3..0605f3d107 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
@@ -1,5 +1,5 @@
 /* Save current context and jump to a new context.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 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
@@ -14,684 +14,53 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <rtld-global-offsets.h>
 #include <shlib-compat.h>
+#include <kernel-features.h>
 
 #define __ASSEMBLY__
 #include <asm/ptrace.h>
 #include "ucontext_i.h"
 
-	.machine	"altivec"
-ENTRY(__swapcontext)
-	stwu	r1,-16(r1)
-/* Insure that the _UC_REGS start on a quadword boundary.  */
-	stw	r3,_FRAME_PARM_SAVE1(r1)
-	addi	r3,r3,_UC_REG_SPACE+12
-	stw	r4,_FRAME_PARM_SAVE2(r1)	/* new context pointer */
-	clrrwi  r3,r3,4
-
-/* Save the general purpose registers */
-	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
-	mflr	r0
-	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
-	stw	r4,_UC_GREGS+(PT_R4*4)(r3)			
-/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers
-   return address.  */
-	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
-	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
-	stw	r0,_FRAME_LR_SAVE+16(r1)
-	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
-	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
-	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
-	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
-	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
-	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
-	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
-	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
-	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
-	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
-	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
-	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
-	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
-	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
-	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
-	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
-	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
-	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
-	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
-	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
-	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
-	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
-	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
-	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
-	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
-	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
-	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
-	
-/* Save the value of R1.  We had to push the stack before we
-   had the address of uc_reg_space.  So compute the address of
-   the callers stack pointer and save it as R1.  */
-	addi	r8,r1,16
-	li	r0,0
-/* Save the count, exception and condition registers.  */
-	mfctr	r11
-	mfxer	r10
-	mfcr	r9
-	stw	r8,_UC_GREGS+(PT_R1*4)(r3)
-	stw	r11,_UC_GREGS+(PT_CTR*4)(r3)
-	stw	r10,_UC_GREGS+(PT_XER*4)(r3)
-	stw	r9,_UC_GREGS+(PT_CCR*4)(r3)
-/* Set the return value of getcontext to "success".  R3 is the only
-   register whose value is not preserved in the saved context.  */
-	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
-
-	/* Zero fill fields that can't be set in user state. */
-	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
-	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
-
-	/* Save the floating-point registers */
-	stfd	fp0,_UC_FREGS+(0*8)(r3)
-	stfd	fp1,_UC_FREGS+(1*8)(r3)
-	stfd	fp2,_UC_FREGS+(2*8)(r3)
-	stfd	fp3,_UC_FREGS+(3*8)(r3)
-	stfd	fp4,_UC_FREGS+(4*8)(r3)
-	stfd	fp5,_UC_FREGS+(5*8)(r3)
-	stfd	fp6,_UC_FREGS+(6*8)(r3)
-	stfd	fp7,_UC_FREGS+(7*8)(r3)
-	stfd	fp8,_UC_FREGS+(8*8)(r3)
-	stfd	fp9,_UC_FREGS+(9*8)(r3)
-	stfd	fp10,_UC_FREGS+(10*8)(r3)
-	stfd	fp11,_UC_FREGS+(11*8)(r3)
-	stfd	fp12,_UC_FREGS+(12*8)(r3)
-	stfd	fp13,_UC_FREGS+(13*8)(r3)
-	stfd	fp14,_UC_FREGS+(14*8)(r3)
-	stfd	fp15,_UC_FREGS+(15*8)(r3)
-	stfd	fp16,_UC_FREGS+(16*8)(r3)
-	stfd	fp17,_UC_FREGS+(17*8)(r3)
-	stfd	fp18,_UC_FREGS+(18*8)(r3)
-	stfd	fp19,_UC_FREGS+(19*8)(r3)
-	stfd	fp20,_UC_FREGS+(20*8)(r3)
-	stfd	fp21,_UC_FREGS+(21*8)(r3)
-	stfd	fp22,_UC_FREGS+(22*8)(r3)
-	stfd	fp23,_UC_FREGS+(23*8)(r3)
-	stfd	fp24,_UC_FREGS+(24*8)(r3)
-	stfd	fp25,_UC_FREGS+(25*8)(r3)
-	stfd	fp26,_UC_FREGS+(26*8)(r3)
-	stfd	fp27,_UC_FREGS+(27*8)(r3)
-	stfd	fp28,_UC_FREGS+(28*8)(r3)
-	stfd	fp29,_UC_FREGS+(29*8)(r3)
-	mffs	fp0
-	stfd	fp30,_UC_FREGS+(30*8)(r3)
-	stfd	fp31,_UC_FREGS+(31*8)(r3)
-	stfd	fp0,_UC_FREGS+(32*8)(r3)
-#ifdef PIC
-	mflr    r8
-	bl      _GLOBAL_OFFSET_TABLE_@local-4
-	mflr    r7
-# ifdef SHARED
-	lwz     r7,_rtld_global_ro@got(r7)
-	mtlr    r8
-	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
-# else
-	lwz     r7,_dl_hwcap@got(r7)
-	mtlr    r8
-	lwz     r7,0(r7)
-# endif
-#else
-	lis	r7,_dl_hwcap@ha
-	lwz     r7,_dl_hwcap@l(r7)
-#endif
-	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
-
-	la	r10,(_UC_VREGS)(r3)
-	la	r9,(_UC_VREGS+16)(r3)
-	
-	beq	L(no_vec)
-/* address of the combined VSCR/VSAVE quadword.  */	
-	la	r8,(_UC_VREGS+512)(r3)
-
-/* Save the vector registers */
-	stvx  v0,0,r10
-	stvx  v1,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-/* We need to get the Vector Status and Control Register early to avoid
-   store order problems later with the VSAVE register that shares the
-   same quadword.  */
-	mfvscr	v0
-
-	stvx  v2,0,r10
-	stvx  v3,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-	
-	stvx	v0,0,r8
-
-	stvx  v4,0,r10
-	stvx  v5,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v6,0,r10
-	stvx  v7,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v8,0,r10
-	stvx  v9,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v10,0,r10
-	stvx  v11,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v12,0,r10
-	stvx  v13,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v14,0,r10
-	stvx  v15,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v16,0,r10
-	stvx  v17,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v18,0,r10
-	stvx  v19,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v20,0,r10
-	stvx  v21,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v22,0,r10
-	stvx  v23,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v24,0,r10
-	stvx  v25,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v26,0,r10
-	stvx  v27,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	stvx  v28,0,r10
-	stvx  v29,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	mfvscr	v0
-	stvx  v30,0,r10
-	stvx  v31,0,r9
-
- 	stw	r0,0(r8)
-
-L(no_vec):
-/* Restore ucontext (parm1) from stack.  */
-	lwz	r12,_FRAME_PARM_SAVE1(r1)
-	li	r4,0
-	stw	r3,_UC_REGS_PTR(r12)
-	addi	r5,r12,_UC_SIGMASK
-	li	r3,SIG_SETMASK
-	bl	JUMPTARGET(__sigprocmask)
-	cmpwi	r3,0
-	bne	L(error_exit)
-
-	/*
-	 * If the new ucontext refers to the point where we were interrupted
-	 * by a signal, we have to use the rt_sigreturn system call to
-	 * return to the context so we get both LR and CTR restored.
-	 *
-	 * Otherwise, the context we are restoring is either just after
-	 * a procedure call (getcontext/swapcontext) or at the beginning
-	 * of a procedure call (makecontext), so we don't need to restore
-	 * r0, xer, ctr.  We don't restore r2 since it will be used as
-	 * the TLS pointer.
-	 */
-	lwz	r4,_FRAME_PARM_SAVE2(r1)
-	lwz	r31,_UC_REGS_PTR(r4)
-	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
-	cmpwi	r0,0
-	bne	L(do_sigret)
-
-#ifdef PIC
-	mflr    r8
-	bl      _GLOBAL_OFFSET_TABLE_@local-4
-	mflr    r7
-# ifdef SHARED
-	lwz     r7,_rtld_global_ro@got(r7)
-	mtlr    r8
-	lwz     r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7)
-# else
-	lwz     r7,_dl_hwcap@got(r7)
-	mtlr    r8
-	lwz     r7,0(r7)
-# endif
-#else
-	lis	r7,_dl_hwcap@ha
-	lwz     r7,_dl_hwcap@l(r7)
-#endif
-	andis.	r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
-	la	r10,(_UC_VREGS)(r31)
-	beq	L(has_no_vec)
-
-	lwz   r0,(32*16)(r10)
-	li    r9,(32*16)
-	cmpwi r0,0
-	mtspr VRSAVE,r0
-	beq   L(has_no_vec)
-
-	lvx   v19,r9,r10
-	la    r9,(16)(r10)
-
-	lvx   v0,0,r10
-	lvx   v1,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	mtvscr  v19
-	lvx   v2,0,r10
-	lvx   v3,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v4,0,r10
-	lvx   v5,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v6,0,r10
-	lvx   v7,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v8,0,r10
-	lvx   v9,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v10,0,r10
-	lvx   v11,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v12,0,r10
-	lvx   v13,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v14,0,r10
-	lvx   v15,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v16,0,r10
-	lvx   v17,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v18,0,r10
-	lvx   v19,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v20,0,r10
-	lvx   v21,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v22,0,r10
-	lvx   v23,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v24,0,r10
-	lvx   v25,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v26,0,r10
-	lvx   v27,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v28,0,r10
-	lvx   v29,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v30,0,r10
-	lvx   v31,0,r9
-	addi  r10,r10,32
-	addi  r9,r9,32
-
-	lvx   v10,0,r10
-	lvx   v11,0,r9
-
-L(has_no_vec):
-	/* Restore the floating-point registers */
-	lfd	fp31,_UC_FREGS+(32*8)(r31)
-	lfd	fp0,_UC_FREGS+(0*8)(r31)
-	mtfsf	0xff,fp31
-	lfd	fp1,_UC_FREGS+(1*8)(r31)
-	lfd	fp2,_UC_FREGS+(2*8)(r31)
-	lfd	fp3,_UC_FREGS+(3*8)(r31)
-	lfd	fp4,_UC_FREGS+(4*8)(r31)
-	lfd	fp5,_UC_FREGS+(5*8)(r31)
-	lfd	fp6,_UC_FREGS+(6*8)(r31)
-	lfd	fp7,_UC_FREGS+(7*8)(r31)
-	lfd	fp8,_UC_FREGS+(8*8)(r31)
-	lfd	fp9,_UC_FREGS+(9*8)(r31)
-	lfd	fp10,_UC_FREGS+(10*8)(r31)
-	lfd	fp11,_UC_FREGS+(11*8)(r31)
-	lfd	fp12,_UC_FREGS+(12*8)(r31)
-	lfd	fp13,_UC_FREGS+(13*8)(r31)
-	lfd	fp14,_UC_FREGS+(14*8)(r31)
-	lfd	fp15,_UC_FREGS+(15*8)(r31)
-	lfd	fp16,_UC_FREGS+(16*8)(r31)
-	lfd	fp17,_UC_FREGS+(17*8)(r31)
-	lfd	fp18,_UC_FREGS+(18*8)(r31)
-	lfd	fp19,_UC_FREGS+(19*8)(r31)
-	lfd	fp20,_UC_FREGS+(20*8)(r31)
-	lfd	fp21,_UC_FREGS+(21*8)(r31)
-	lfd	fp22,_UC_FREGS+(22*8)(r31)
-	lfd	fp23,_UC_FREGS+(23*8)(r31)
-	lfd	fp24,_UC_FREGS+(24*8)(r31)
-	lfd	fp25,_UC_FREGS+(25*8)(r31)
-	lfd	fp26,_UC_FREGS+(26*8)(r31)
-	lfd	fp27,_UC_FREGS+(27*8)(r31)
-	lfd	fp28,_UC_FREGS+(28*8)(r31)
-	lfd	fp29,_UC_FREGS+(29*8)(r31)
-	lfd	fp30,_UC_FREGS+(30*8)(r31)
-	lfd	fp31,_UC_FREGS+(31*8)(r31)
-
-	/* Restore LR and CCR, and set CTR to the NIP value */
-	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
-	mtlr	r3
-	mtctr	r4
-	mtcr	r5
-
-	/* Restore the general registers */
-	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
-	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
-	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
-	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
-	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
-	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
-	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
-	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
-	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
-	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
-	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
-	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
-	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
-	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
-	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
-	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
-	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
-	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
-	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
-	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
-	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
-	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
-	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
-	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
-	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
-	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
-	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
-	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
-
-	bctr
-
-L(error_exit):
-	lwz	r0,_FRAME_LR_SAVE+16(r1)
-	addi	r1,r1,16
-	mtlr	r0
+#define __CONTEXT_FUNC_NAME __swapcontext
+#define __CONTEXT_ENABLE_FPRS 1
+#define __CONTEXT_ENABLE_VRS 1
+
+/* Size of ucontext in GLIBC_2.3.4 and later.  */
+#define _UC_SIZE_2_3_4	1184
+
+#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
+	.section ".text";
+ENTRY (__swapcontext)
+	li	r5,_UC_SIZE_2_3_4;
+	DO_CALL (SYS_ify (swapcontext));
+	bso-	cr0,1f
+/* the kernel does not set the return code for the success case */
+	li	r3,0
 	blr
-
-L(do_sigret):
-	addi	r1,r4,-0xd0
-	li	r0,SYS_ify(rt_sigreturn)
-	sc
-	/* NOTREACHED */
-
+1:
+	b	__syscall_error@local
 END(__swapcontext)
+#else
+# include "swapcontext-common.S"
+#endif
 
 versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
 
 	compat_text_section
-ENTRY(__novec_swapcontext)
-	/* Save the current context */
-	addi	r3,r3,_UC_REG_SPACE
-	stw	r3,_UC_REGS_PTR - _UC_REG_SPACE(r3)
-	stw	r0,_UC_GREGS+(PT_R0*4)(r3)
-	stw	r1,_UC_GREGS+(PT_R1*4)(r3)
-	mflr	r0
-	stwu	r1,-16(r1)
-	stw	r0,20(r1)
-	stw	r31,12(r1)
-	stw	r31,_UC_GREGS+(PT_R31*4)(r3)
-	mr	r31,r4			/* new context pointer */
-	stw	r0,_UC_GREGS+(PT_LNK*4)(r3)
-	stw	r0,_UC_GREGS+(PT_NIP*4)(r3)
-	stw	r2,_UC_GREGS+(PT_R2*4)(r3)
-	stw	r4,_UC_GREGS+(PT_R4*4)(r3)
-	stw	r5,_UC_GREGS+(PT_R5*4)(r3)
-	stw	r6,_UC_GREGS+(PT_R6*4)(r3)
-	stw	r7,_UC_GREGS+(PT_R7*4)(r3)
-	stw	r8,_UC_GREGS+(PT_R8*4)(r3)
-	stw	r9,_UC_GREGS+(PT_R9*4)(r3)
-	stw	r10,_UC_GREGS+(PT_R10*4)(r3)
-	stw	r11,_UC_GREGS+(PT_R11*4)(r3)
-	stw	r12,_UC_GREGS+(PT_R12*4)(r3)
-	stw	r13,_UC_GREGS+(PT_R13*4)(r3)
-	stw	r14,_UC_GREGS+(PT_R14*4)(r3)
-	stw	r15,_UC_GREGS+(PT_R15*4)(r3)
-	stw	r16,_UC_GREGS+(PT_R16*4)(r3)
-	stw	r17,_UC_GREGS+(PT_R17*4)(r3)
-	stw	r18,_UC_GREGS+(PT_R18*4)(r3)
-	stw	r19,_UC_GREGS+(PT_R19*4)(r3)
-	stw	r20,_UC_GREGS+(PT_R20*4)(r3)
-	stw	r21,_UC_GREGS+(PT_R21*4)(r3)
-	stw	r22,_UC_GREGS+(PT_R22*4)(r3)
-	stw	r23,_UC_GREGS+(PT_R23*4)(r3)
-	stw	r24,_UC_GREGS+(PT_R24*4)(r3)
-	stw	r25,_UC_GREGS+(PT_R25*4)(r3)
-	stw	r26,_UC_GREGS+(PT_R26*4)(r3)
-	stw	r27,_UC_GREGS+(PT_R27*4)(r3)
-	stw	r28,_UC_GREGS+(PT_R28*4)(r3)
-	stw	r29,_UC_GREGS+(PT_R29*4)(r3)
-	stw	r30,_UC_GREGS+(PT_R30*4)(r3)
-	mfctr	r0
-	stw	r0,_UC_GREGS+(PT_CTR*4)(r3)
-	mfxer	r0
-	stw	r0,_UC_GREGS+(PT_XER*4)(r3)
-	mfcr	r0
-	stw	r0,_UC_GREGS+(PT_CCR*4)(r3)
-
-	/* Set the return value of swapcontext to "success".  R3 is the only
-	   register whose value is not preserved in the saved context.  */
-	li	r0,0
-	stw	r0,_UC_GREGS+(PT_R3*4)(r3)
-
-	/* Zero fill fields that can't be set in user state. */
-	stw	r0,_UC_GREGS+(PT_MSR*4)(r3)
-	stw	r0,_UC_GREGS+(PT_MQ*4)(r3)
-
-	/* Save the floating-point registers */
-	stfd	fp0,_UC_FREGS+(0*8)(r3)
-	stfd	fp1,_UC_FREGS+(1*8)(r3)
-	stfd	fp2,_UC_FREGS+(2*8)(r3)
-	stfd	fp3,_UC_FREGS+(3*8)(r3)
-	stfd	fp4,_UC_FREGS+(4*8)(r3)
-	stfd	fp5,_UC_FREGS+(5*8)(r3)
-	stfd	fp6,_UC_FREGS+(6*8)(r3)
-	stfd	fp7,_UC_FREGS+(7*8)(r3)
-	stfd	fp8,_UC_FREGS+(8*8)(r3)
-	stfd	fp9,_UC_FREGS+(9*8)(r3)
-	stfd	fp10,_UC_FREGS+(10*8)(r3)
-	stfd	fp11,_UC_FREGS+(11*8)(r3)
-	stfd	fp12,_UC_FREGS+(12*8)(r3)
-	stfd	fp13,_UC_FREGS+(13*8)(r3)
-	stfd	fp14,_UC_FREGS+(14*8)(r3)
-	stfd	fp15,_UC_FREGS+(15*8)(r3)
-	stfd	fp16,_UC_FREGS+(16*8)(r3)
-	stfd	fp17,_UC_FREGS+(17*8)(r3)
-	stfd	fp18,_UC_FREGS+(18*8)(r3)
-	stfd	fp19,_UC_FREGS+(19*8)(r3)
-	stfd	fp20,_UC_FREGS+(20*8)(r3)
-	stfd	fp21,_UC_FREGS+(21*8)(r3)
-	stfd	fp22,_UC_FREGS+(22*8)(r3)
-	stfd	fp23,_UC_FREGS+(23*8)(r3)
-	stfd	fp24,_UC_FREGS+(24*8)(r3)
-	stfd	fp25,_UC_FREGS+(25*8)(r3)
-	stfd	fp26,_UC_FREGS+(26*8)(r3)
-	stfd	fp27,_UC_FREGS+(27*8)(r3)
-	stfd	fp28,_UC_FREGS+(28*8)(r3)
-	stfd	fp29,_UC_FREGS+(29*8)(r3)
-	mffs	fp0
-	stfd	fp30,_UC_FREGS+(30*8)(r3)
-	stfd	fp31,_UC_FREGS+(31*8)(r3)
-	stfd	fp0,_UC_FREGS+(32*8)(r3)
-
-	addi	r5,r3,_UC_SIGMASK - _UC_REG_SPACE
-	addi	r4,r4,_UC_SIGMASK
-	li	r3,SIG_SETMASK
-	bl	JUMPTARGET(__sigprocmask)
-	cmpwi	r3,0
-	bne	L(novec_error_exit)
-
-	/*
-	 * If the new ucontext refers to the point where we were interrupted
-	 * by a signal, we have to use the rt_sigreturn system call to
-	 * return to the context so we get both LR and CTR restored.
-	 *
-	 * Otherwise, the context we are restoring is either just after
-	 * a procedure call (getcontext/swapcontext) or at the beginning
-	 * of a procedure call (makecontext), so we don't need to restore
-	 * r0, xer, ctr.  We don't restore r2 since it will be used as
-	 * the TLS pointer.
-	 */
-	mr	r4,r31
-	lwz	r31,_UC_REGS_PTR(r31)
-	lwz	r0,_UC_GREGS+(PT_MSR*4)(r31)
-	cmpwi	r0,0
-	bne	L(novec_do_sigret)
-
-	/* Restore the floating-point registers */
-	lfd	fp31,_UC_FREGS+(32*8)(r31)
-	lfd	fp0,_UC_FREGS+(0*8)(r31)
-	mtfsf	0xff,fp31
-	lfd	fp1,_UC_FREGS+(1*8)(r31)
-	lfd	fp2,_UC_FREGS+(2*8)(r31)
-	lfd	fp3,_UC_FREGS+(3*8)(r31)
-	lfd	fp4,_UC_FREGS+(4*8)(r31)
-	lfd	fp5,_UC_FREGS+(5*8)(r31)
-	lfd	fp6,_UC_FREGS+(6*8)(r31)
-	lfd	fp7,_UC_FREGS+(7*8)(r31)
-	lfd	fp8,_UC_FREGS+(8*8)(r31)
-	lfd	fp9,_UC_FREGS+(9*8)(r31)
-	lfd	fp10,_UC_FREGS+(10*8)(r31)
-	lfd	fp11,_UC_FREGS+(11*8)(r31)
-	lfd	fp12,_UC_FREGS+(12*8)(r31)
-	lfd	fp13,_UC_FREGS+(13*8)(r31)
-	lfd	fp14,_UC_FREGS+(14*8)(r31)
-	lfd	fp15,_UC_FREGS+(15*8)(r31)
-	lfd	fp16,_UC_FREGS+(16*8)(r31)
-	lfd	fp17,_UC_FREGS+(17*8)(r31)
-	lfd	fp18,_UC_FREGS+(18*8)(r31)
-	lfd	fp19,_UC_FREGS+(19*8)(r31)
-	lfd	fp20,_UC_FREGS+(20*8)(r31)
-	lfd	fp21,_UC_FREGS+(21*8)(r31)
-	lfd	fp22,_UC_FREGS+(22*8)(r31)
-	lfd	fp23,_UC_FREGS+(23*8)(r31)
-	lfd	fp24,_UC_FREGS+(24*8)(r31)
-	lfd	fp25,_UC_FREGS+(25*8)(r31)
-	lfd	fp26,_UC_FREGS+(26*8)(r31)
-	lfd	fp27,_UC_FREGS+(27*8)(r31)
-	lfd	fp28,_UC_FREGS+(28*8)(r31)
-	lfd	fp29,_UC_FREGS+(29*8)(r31)
-	lfd	fp30,_UC_FREGS+(30*8)(r31)
-	lfd	fp31,_UC_FREGS+(31*8)(r31)
-
-	/* Restore LR and CCR, and set CTR to the NIP value */
-	lwz	r3,_UC_GREGS+(PT_LNK*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_NIP*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_CCR*4)(r31)
-	mtlr	r3
-	mtctr	r4
-	mtcr	r5
-
-	/* Restore the general registers */
-	lwz	r1,_UC_GREGS+(PT_R1*4)(r31)
-	lwz	r3,_UC_GREGS+(PT_R3*4)(r31)
-	lwz	r4,_UC_GREGS+(PT_R4*4)(r31)
-	lwz	r5,_UC_GREGS+(PT_R5*4)(r31)
-	lwz	r6,_UC_GREGS+(PT_R6*4)(r31)
-	lwz	r7,_UC_GREGS+(PT_R7*4)(r31)
-	lwz	r8,_UC_GREGS+(PT_R8*4)(r31)
-	lwz	r9,_UC_GREGS+(PT_R9*4)(r31)
-	lwz	r10,_UC_GREGS+(PT_R10*4)(r31)
-	lwz	r11,_UC_GREGS+(PT_R11*4)(r31)
-	lwz	r12,_UC_GREGS+(PT_R12*4)(r31)
-	lwz	r13,_UC_GREGS+(PT_R13*4)(r31)
-	lwz	r14,_UC_GREGS+(PT_R14*4)(r31)
-	lwz	r15,_UC_GREGS+(PT_R15*4)(r31)
-	lwz	r16,_UC_GREGS+(PT_R16*4)(r31)
-	lwz	r17,_UC_GREGS+(PT_R17*4)(r31)
-	lwz	r18,_UC_GREGS+(PT_R18*4)(r31)
-	lwz	r19,_UC_GREGS+(PT_R19*4)(r31)
-	lwz	r20,_UC_GREGS+(PT_R20*4)(r31)
-	lwz	r21,_UC_GREGS+(PT_R21*4)(r31)
-	lwz	r22,_UC_GREGS+(PT_R22*4)(r31)
-	lwz	r23,_UC_GREGS+(PT_R23*4)(r31)
-	lwz	r24,_UC_GREGS+(PT_R24*4)(r31)
-	lwz	r25,_UC_GREGS+(PT_R25*4)(r31)
-	lwz	r26,_UC_GREGS+(PT_R26*4)(r31)
-	lwz	r27,_UC_GREGS+(PT_R27*4)(r31)
-	lwz	r28,_UC_GREGS+(PT_R28*4)(r31)
-	lwz	r29,_UC_GREGS+(PT_R29*4)(r31)
-	lwz	r30,_UC_GREGS+(PT_R30*4)(r31)
-	lwz	r31,_UC_GREGS+(PT_R31*4)(r31)
-
-	bctr
-
-L(novec_error_exit):
-	lwz	r31,12(r1)
-	lwz	r0,20(r1)
-	addi	r1,r1,16
-	mtlr	r0
-	blr
+	
+# undef __CONTEXT_FUNC_NAME	
+# define __CONTEXT_FUNC_NAME __novec_swapcontext
+# undef __CONTEXT_ENABLE_VRS
 
-L(novec_do_sigret):
-	addi	r1,r4,-0xd0
-	li	r0,SYS_ify(rt_sigreturn)
-	sc
-	/* NOTREACHED */
+# include "swapcontext-common.S"
 
-END(__novec_swapcontext)
 	.previous
 
 compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3)
@@ -700,13 +69,13 @@ compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3)
 
 #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3)
 
-#define _ERRNO_H	1
-#include <bits/errno.h>
+# define _ERRNO_H	1
+# include <bits/errno.h>
 
 	compat_text_section
 ENTRY (__swapcontext_stub)
 	li	r3,ENOSYS
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 END (__swapcontext_stub)
 	.previous
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 2ee3e60229..c42efbabdd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,1997-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1997-2003,2004,2005,2006 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
@@ -20,6 +20,7 @@
 #define _LINUX_POWERPC_SYSDEP_H 1
 
 #include <sysdeps/unix/powerpc/sysdep.h>
+#include <tls.h>
 
 /* Some systen calls got renamed over time, but retained the same semantics.
    Handle them here so they can be catched by both C and assembler stubs in
@@ -54,6 +55,109 @@
 
 # include <errno.h>
 
+# ifdef SHARED
+#  define INLINE_VSYSCALL(name, nr, args...) \
+  ({									      \
+    __label__ out;							      \
+    __label__ iserr;							      \
+    INTERNAL_SYSCALL_DECL (sc_err);					      \
+    long int sc_ret;							      \
+									      \
+    if (__vdso_##name != NULL)						      \
+      {									      \
+	sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, nr, ##args);   \
+	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
+	  goto out;							      \
+	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
+	  goto iserr;							      \
+      }									      \
+									      \
+    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
+    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
+      {									      \
+      iserr:								      \
+        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
+        sc_ret = -1L;							      \
+      }									      \
+  out:									      \
+    sc_ret;								      \
+  })
+# else
+#  define INLINE_VSYSCALL(name, nr, args...) \
+  INLINE_SYSCALL (name, nr, ##args)
+# endif
+
+# ifdef SHARED
+#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
+  ({									      \
+    __label__ out;							      \
+    long int v_ret;							      \
+									      \
+    if (__vdso_##name != NULL)						      \
+      {									      \
+	v_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
+	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
+	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
+	  goto out;							      \
+      }									      \
+    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
+  out:									      \
+    v_ret;								      \
+  })
+# else
+#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
+  INTERNAL_SYSCALL (name, err, nr, ##args)
+# endif
+
+# define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, nr, args...)	      \
+  ({									      \
+    long int sc_ret = ENOSYS;						      \
+									      \
+    if (__vdso_##name != NULL)						      \
+      sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
+    else								      \
+      err = 1 << 28;							      \
+    sc_ret;								      \
+  })
+
+/* List of system calls which are supported as vsyscalls.  */
+# define HAVE_CLOCK_GETRES_VSYSCALL	1
+# define HAVE_CLOCK_GETTIME_VSYSCALL	1
+
+/* Define a macro which expands inline into the wrapper code for a VDSO
+   call. This use is for internal calls that do not need to handle errors
+   normally. It will never touch errno.
+   On powerpc a system call basically clobbers the same registers like a
+   function call, with the exception of LR (which is needed for the
+   "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal
+   an error return status).  */
+# define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...) \
+  ({									      \
+    register void *r0  __asm__ ("r0");					      \
+    register long int r3  __asm__ ("r3");				      \
+    register long int r4  __asm__ ("r4");				      \
+    register long int r5  __asm__ ("r5");				      \
+    register long int r6  __asm__ ("r6");				      \
+    register long int r7  __asm__ ("r7");				      \
+    register long int r8  __asm__ ("r8");				      \
+    register long int r9  __asm__ ("r9");				      \
+    register long int r10 __asm__ ("r10");				      \
+    register long int r11 __asm__ ("r11");				      \
+    register long int r12 __asm__ ("r12");				      \
+    LOADARGS_##nr (funcptr, args);					      \
+    __asm__ __volatile__						      \
+      ("mtctr %0\n\t"							      \
+       "bctrl\n\t"							      \
+       "mfcr %0"							      \
+       : "=&r" (r0),							      \
+	 "=&r" (r3), "=&r" (r4), "=&r" (r5),  "=&r" (r6),  "=&r" (r7),	      \
+	 "=&r" (r8), "=&r" (r9), "=&r" (r10), "=&r" (r11), "=&r" (r12)	      \
+       : ASM_INPUT_##nr							      \
+       : "cr0", "ctr", "lr", "memory");					      \
+    err = (long int) r0;						      \
+    (int) r3;								      \
+  })
+
 # undef INLINE_SYSCALL
 # define INLINE_SYSCALL(name, nr, args...)				\
   ({									\
@@ -92,7 +196,7 @@
     register long int r10 __asm__ ("r10");				\
     register long int r11 __asm__ ("r11");				\
     register long int r12 __asm__ ("r12");				\
-    LOADARGS_##nr(name, args);						\
+    LOADARGS_##nr(name, args);					\
     __asm__ __volatile__						\
       ("sc   \n\t"							\
        "mfcr %0"							\
@@ -109,16 +213,16 @@
 
 # undef INTERNAL_SYSCALL_ERROR_P
 # define INTERNAL_SYSCALL_ERROR_P(val, err) \
-  (__builtin_expect (err & (1 << 28), 0))
+  ((void) (val), __builtin_expect ((err) & (1 << 28), 0))
 
 # undef INTERNAL_SYSCALL_ERRNO
 # define INTERNAL_SYSCALL_ERRNO(val, err)     (val)
 
-# define LOADARGS_0(name, dummy) \
+# define LOADARGS_0(name, dummy)					      \
 	r0 = name
 # define LOADARGS_1(name, __arg1) \
 	long int arg1 = (long int) (__arg1);	\
-	LOADARGS_0(name, 0); \
+  LOADARGS_0(name, 0);					   \
 	extern void __illegally_sized_syscall_arg1 (void); \
 	if (__builtin_classify_type (__arg1) != 5 && sizeof (__arg1) > 4) \
 	  __illegally_sized_syscall_arg1 (); \
@@ -170,4 +274,28 @@
 #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(reg, tmpreg) \
+	lwz	tmpreg,POINTER_GUARD(r2); \
+	xor	reg,tmpreg,reg
+#  define PTR_MANGLE2(reg, tmpreg) \
+	xor	reg,tmpreg,reg
+#  define PTR_MANGLE3(destreg, reg, tmpreg) \
+	lwz	tmpreg,POINTER_GUARD(r2); \
+	xor	destreg,tmpreg,reg
+#  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
+#  define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg)
+#  define PTR_DEMANGLE3(destreg, reg, tmpreg) PTR_MANGLE3 (destreg, 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/powerpc/powerpc32/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
index ce8ebc2a97..f107e84373 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2005,2006
+	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
@@ -24,12 +25,12 @@
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
-#include "kernel-features.h"
+#include <kernel-features.h>
 
 #ifdef __NR_truncate64
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
 /* The variable is shared between all wrappers around *truncate64 calls.  */
-int have_no_truncate64;
+int __have_no_truncate64;
 #endif
 
 
@@ -40,7 +41,7 @@ truncate64 (path, length)
      off64_t length;
 {
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
-  if (! have_no_truncate64)
+  if (! __have_no_truncate64)
 #endif
     {
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
@@ -58,7 +59,7 @@ truncate64 (path, length)
 
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
       __set_errno (saved_errno);
-      have_no_truncate64 = 1;
+      __have_no_truncate64 = 1;
 #endif
     }
 
@@ -68,11 +69,11 @@ truncate64 (path, length)
       __set_errno (EINVAL);
       return -1;
     }
-  return truncate (path, (off_t) length);
+  return __truncate (path, (off_t) length);
 #endif
 }
 
 #else
 /* Use the generic implementation.  */
-# include <sysdeps/generic/truncate64.c>
+# include <misc/truncate64.c>
 #endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h
deleted file mode 100644
index e47b24a09e..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Offsets and other constants needed in the *context() function
-   implementation.
-   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.  */
-
-#define SIG_BLOCK	0
-#define SIG_SETMASK	2
-
-#define _FRAME_BACKCHAIN	0
-#define _FRAME_LR_SAVE	4
-#define _FRAME_PARM_SAVE1	8
-#define _FRAME_PARM_SAVE2	12
-#define _FRAME_PARM_SAVE3	16
-#define _FRAME_PARM_SAVE4	20
-
-#define _UC_LINK	4
-#define _UC_STACK_SP	8
-#define _UC_STACK_SIZE	16
-#define _UC_REGS_PTR	48
-#define _UC_SIGMASK	52
-#define _UC_REG_SPACE	180
-
-/* offsets within mcontext_t */
-#define _UC_GREGS	0
-#define _UC_FREGS	192
-#define _UC_VREGS	464
-#define _UC_VSCR	976
-#define _UC_VRSAVE	980
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym
new file mode 100644
index 0000000000..293761f260
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym
@@ -0,0 +1,26 @@
+#include <stddef.h>
+#include <signal.h>
+#include <sys/ucontext.h>
+
+--
+
+SIG_BLOCK
+SIG_SETMASK
+
+-- Offsets in ucontext_t.
+#define ucontext(member)	offsetof (ucontext_t, member)
+_UC_LINK		ucontext (uc_link)
+_UC_STACK_SP		ucontext (uc_stack.ss_sp)
+_UC_STACK_SIZE		ucontext (uc_stack.ss_size)
+_UC_REGS_PTR		ucontext (uc_mcontext.uc_regs)
+_UC_SIGMASK		ucontext (uc_sigmask)
+_UC_REG_SPACE		ucontext (uc_reg_space)
+
+-- Offsets in mcontext_t.
+#define mcontext(member)	offsetof (mcontext_t, member)
+_UC_GREGS		mcontext (gregs)
+_UC_FREGS		mcontext (fpregs)
+_UC_VREGS		mcontext (vrregs)
+_UC_VREGS		mcontext (vrregs)
+_UC_VSCR		mcontext (vrregs.vscr)
+_UC_VRSAVE		mcontext (vrregs.vrsave)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index 5fb7868c31..66a149f10b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -50,7 +50,7 @@ ENTRY (__vfork)
 	bnslr+
 
 .Lsyscall_error:
-	b	JUMPTARGET(__syscall_error)
+	b	__syscall_error@local
 #endif
 
 PSEUDO_END (__vfork)
author	Jakub Jelinek <jakub@redhat.com>	2007-07-12 18:26:36 +0000
committer	Jakub Jelinek <jakub@redhat.com>	2007-07-12 18:26:36 +0000
commit	0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree	2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/unix/sysv/linux/powerpc/powerpc32
parent	7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
download	glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip