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-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist3
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S24
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S17
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c6
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c12
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c1
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S286
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S369
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S20
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c8
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c6
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c6
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c6
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S293
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S396
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S26
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S517
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S695
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h138
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c15
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h43
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym26
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S2
24 files changed, 1478 insertions, 1439 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
new file mode 100644
index 0000000000..297e031620
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
@@ -0,0 +1,3 @@
+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 e945834945..8ecbb548a2 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) 1995-97, 1999, 2000, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000 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., 51 Franklin Street, Fifth Floor, Boston MA
- 02110-1301 USA. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <sysdep.h>
#define _ERRNO_H 1
@@ -27,38 +27,28 @@
.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
-# 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
+ mflr r4
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 __syscall_error@local
+ b JUMPTARGET(__syscall_error)
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 37b777799c..f232284747 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) 1997,98,99,2000,02,04,2006 Free Software Foundation, Inc.
+ Copyright (C) 1997,98,99,2000,02,2004 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., 51 Franklin Street, Fifth Floor, Boston MA
- 02110-1301 USA. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <sysdep.h>
#define _ERRNO_H 1
@@ -49,7 +49,6 @@ 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
@@ -84,10 +83,6 @@ 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))
@@ -137,13 +132,11 @@ L(parent):
#endif
addi r1,r1,32
bnslr+
- b __syscall_error@local
+ b JUMPTARGET(__syscall_error)
L(badargs):
li r3,EINVAL
- b __syscall_error@local
-
- cfi_startproc
+ b JUMPTARGET(__syscall_error)
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 8d3b9ad1f4..2c85a3a9e9 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, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2000 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
deleted file mode 100644
index 9f70f795bc..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies
+++ /dev/null
@@ -1,2 +0,0 @@
-# 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 e83f7f04b7..e79d74cb75 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) 1997-2002,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2001,2002 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
@@ -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 <misc/ftruncate64.c>
+# include <sysdeps/generic/ftruncate64.c>
#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
deleted file mode 100644
index 0f8b3135d8..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
+++ /dev/null
@@ -1 +0,0 @@
-#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
deleted file mode 100644
index c28c34664c..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
+++ /dev/null
@@ -1,286 +0,0 @@
-/* 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 dad1074034..4c75354a5f 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, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004 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
@@ -14,53 +14,362 @@
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. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 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"
-#define __CONTEXT_FUNC_NAME __getcontext
-#define __CONTEXT_ENABLE_FPRS 1
-#define __CONTEXT_ENABLE_VRS 1
+ .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
-/* Size of ucontext in GLIBC_2.3.4 and later. */
-#define _UC_SIZE_2_3_4 1184
+/* 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)
-#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
- .section ".text";
-ENTRY (__getcontext)
+/* 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)
li r4,0
- 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
+ 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
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
-
-# undef __CONTEXT_FUNC_NAME
-# define __CONTEXT_FUNC_NAME __novec_getcontext
-# undef __CONTEXT_ENABLE_VRS
+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)
-# clude "getcontext-common.S"
+ /* 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
+ li r4,0
+ li r3,SIG_BLOCK
+ bl JUMPTARGET(__sigprocmask)
+
+ 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)
@@ -69,13 +378,13 @@ 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 __syscall_error@local
+ b JUMPTARGET(__syscall_error)
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 9451f9eb36..5615718e11 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, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004 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., 51 Franklin Street, Fifth Floor, Boston MA
- 02110-1301 USA. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <sysdep.h>
#include <shlib-compat.h>
@@ -26,7 +26,9 @@
ENTRY(__makecontext)
/* Set up the first 7 args to the function in its registers */
- lwz r11,_UC_REGS_PTR(r3)
+ addi r11,r3,_UC_REG_SPACE+12
+ clrrwi r11,r11,4
+ stw 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)
@@ -47,12 +49,10 @@ 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 __setcontext@local
+ bl JUMPTARGET(__setcontext)
4: bl HIDDEN_JUMPTARGET(exit)
b 4b
@@ -136,12 +136,10 @@ 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
@@ -190,7 +188,7 @@ ENTRY(__novec_makecontext)
L(novec_exitcode):
mr. r3,r31
beq 4f
- bl __novec_setcontext@local
+ bl JUMPTARGET(__novec_setcontext)
4: bl HIDDEN_JUMPTARGET(exit)
b 4b
@@ -208,7 +206,7 @@ compat_symbol (libc, __novec_makecontext, makecontext, GLIBC_2_3_3)
compat_text_section
ENTRY (__makecontext_stub)
li r3,ENOSYS
- b __syscall_error@local
+ b JUMPTARGET(__syscall_error)
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 4d9fa263c4..495c98ab97 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) 1997,1998,1999,2000,2002,2003,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
+ 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 9527554e9b..d4fe1eea2d 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) 1997,1998,1999,2000,2002,2003,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
+ 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 32383f4301..3727fa7a42 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) 1997,1998,1999,2000,2002,2003,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
+ 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 acc250a88f..080c88cf29 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) 1997,1998,1999,2000,2002,2003,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
+ 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
deleted file mode 100644
index 40a7a24f19..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
+++ /dev/null
@@ -1,293 +0,0 @@
-/* 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 1f2e250057..2d4fa9910e 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, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004 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
@@ -14,55 +14,383 @@
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. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 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"
-#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)
+ .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
#else
-# include "setcontext-common.S"
+ 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 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
-
-# undef __CONTEXT_FUNC_NAME
-# define __CONTEXT_FUNC_NAME __novec_setcontext
-# undef __CONTEXT_ENABLE_VRS
+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
-# include "setcontext-common.S"
+L(novec_do_sigret):
+ addi r1,r3,-0xd0
+ li r0,SYS_ify(rt_sigreturn)
+ sc
+ /* NOTREACHED */
+END (__novec_setcontext)
.previous
compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3)
@@ -71,13 +399,13 @@ 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 __syscall_error@local
+ b JUMPTARGET(__syscall_error)
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 0bb5bef78b..c52ad9babf 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) 1995,96,97,99, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1999, 2003 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., 51 Franklin Street, Fifth Floor, Boston MA
- 02110-1301 USA. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <sysdep-cancel.h>
#include <socketcall.h>
@@ -39,20 +39,15 @@
#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
-# ifndef NO_WEAK_ALIAS
-# define __socket P(__,socket)
-# else
-# define __socket socket
-# endif
+#define __socket P(__,socket)
#endif
.text
ENTRY(__socket)
+ cfi_startproc
stwu r1,-48(r1)
cfi_adjust_cfa_offset(48)
#if NARGS >= 1
@@ -74,6 +69,12 @@ 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
@@ -93,7 +94,6 @@ ENTRY(__socket)
mflr r9
stw r9,52(r1)
cfi_offset (lr, 4)
- CGOTSETUP
CENABLE
stw r3,16(r1)
li r3,P(SOCKOP_,socket)
@@ -107,15 +107,13 @@ 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
deleted file mode 100644
index 0c7b945ed2..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
+++ /dev/null
@@ -1,517 +0,0 @@
-/* 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 0605f3d107..c4f0faddc3 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, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004 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
@@ -14,53 +14,684 @@
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. */
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 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"
-#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
-1:
- b __syscall_error@local
-END(__swapcontext)
+ .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
-# include "swapcontext-common.S"
+ 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
+ blr
+
+L(do_sigret):
+ addi r1,r4,-0xd0
+ li r0,SYS_ify(rt_sigreturn)
+ sc
+ /* NOTREACHED */
+
+END(__swapcontext)
versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4)
#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
compat_text_section
-
-# undef __CONTEXT_FUNC_NAME
-# define __CONTEXT_FUNC_NAME __novec_swapcontext
-# undef __CONTEXT_ENABLE_VRS
+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
-# include "swapcontext-common.S"
+L(novec_do_sigret):
+ addi r1,r4,-0xd0
+ li r0,SYS_ify(rt_sigreturn)
+ sc
+ /* NOTREACHED */
+END(__novec_swapcontext)
.previous
compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3)
@@ -69,13 +700,13 @@ 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 __syscall_error@local
+ b JUMPTARGET(__syscall_error)
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 c42efbabdd..2ee3e60229 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) 1992,1997-2003,2004,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1997-2003, 2004 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
@@ -20,7 +20,6 @@
#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
@@ -55,109 +54,6 @@
# 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...) \
({ \
@@ -196,7 +92,7 @@
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" \
@@ -213,16 +109,16 @@
# undef INTERNAL_SYSCALL_ERROR_P
# define INTERNAL_SYSCALL_ERROR_P(val, err) \
- ((void) (val), __builtin_expect ((err) & (1 << 28), 0))
+ (__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 (); \
@@ -274,28 +170,4 @@
#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 f107e84373..ce8ebc2a97 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2002,2005,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 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
@@ -25,12 +24,12 @@
#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
@@ -41,7 +40,7 @@ truncate64 (path, length)
off64_t length;
{
#ifndef __ASSUME_TRUNCATE64_SYSCALL
- if (! __have_no_truncate64)
+ if (! have_no_truncate64)
#endif
{
#ifndef __ASSUME_TRUNCATE64_SYSCALL
@@ -59,7 +58,7 @@ truncate64 (path, length)
#ifndef __ASSUME_TRUNCATE64_SYSCALL
__set_errno (saved_errno);
- __have_no_truncate64 = 1;
+ have_no_truncate64 = 1;
#endif
}
@@ -69,11 +68,11 @@ 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 <misc/truncate64.c>
+# include <sysdeps/generic/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
new file mode 100644
index 0000000000..e47b24a09e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h
@@ -0,0 +1,43 @@
+/* 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
deleted file mode 100644
index 293761f260..0000000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym
+++ /dev/null
@@ -1,26 +0,0 @@
-#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 66a149f10b..5fb7868c31 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 __syscall_error@local
+ b JUMPTARGET(__syscall_error)
#endif
PSEUDO_END (__vfork)