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Simplify code for accessing powerpc GOT

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This commit is contained in:
Will Schmidt
2011-12-17 15:07:31 -05:00
committed by Ulrich Drepper
parent a1267ba1c6
commit 91d2a8453f
32 changed files with 167 additions and 159 deletions
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9
sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S
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@@ -1,4 +1,4 @@
/* Copyright (C) 2009 Free Software Foundation, Inc.
/* Copyright (C) 2009, 2011 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
@@ -29,10 +29,9 @@
#ifdef PIC
# define LOAD_ARG \
bcl 20,31,1f; \
1: mflr r3; \
addis r3,r3,_GLOBAL_OFFSET_TABLE_-1b@ha; \
addi r3,r3,_GLOBAL_OFFSET_TABLE_-1b@l; \
SETUP_GOT_ACCESS(r3,got_label2); \
addis r3,r3,_GLOBAL_OFFSET_TABLE_-got_label2@ha; \
addi r3,r3,_GLOBAL_OFFSET_TABLE_-got_label2@l; \
lwz r3,.LC0@got(r3)
#else
# define LOAD_ARG \

9
sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S
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@@ -1,5 +1,5 @@
/* brk system call for Linux/ppc.
Copyright (C) 1995-97, 1999, 2000, 2006 Free Software Foundation, Inc.
Copyright (C) 1995-97, 1999, 2000, 2006, 2011 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
@@ -36,10 +36,9 @@ ENTRY (BP_SYM (__brk))
DO_CALL(SYS_ify(brk))
lwz r6,8(r1)
#ifdef PIC
bcl 20,31,1f
1: mflr r5
addis r5,r5,__curbrk-1b@ha
stw r3,__curbrk-1b@l(r5)
SETUP_GOT_ACCESS(r5,got_label)
addis r5,r5,__curbrk-got_label@ha
stw r3,__curbrk-got_label@l(r5)
#else
lis r4,__curbrk@ha
stw r3,__curbrk@l(r4)

9
sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
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@@ -1,5 +1,5 @@
/* Save current context, powerpc32 common.
Copyright (C) 2005, 2006 Free Software Foundation, Inc.
Copyright (C) 2005, 2006, 2011 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
@@ -145,10 +145,9 @@ ENTRY(__CONTEXT_FUNC_NAME)
# ifdef __CONTEXT_ENABLE_VRS
# ifdef PIC
mflr r8
bcl 20,31,1f
1: mflr r7
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
SETUP_GOT_ACCESS(r7,got_label)
addis r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@l
# ifdef SHARED
lwz r7,_rtld_global_ro@got(r7)
mtlr r8

9
sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
View File

@@ -1,5 +1,5 @@
/* Jump to a new context powerpc32 common.
Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
Copyright (C) 2005, 2006, 2008, 2009, 2011 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
@@ -73,10 +73,9 @@ ENTRY(__CONTEXT_FUNC_NAME)
#ifdef PIC
mflr r8
bcl 20,31,1f
1: mflr r7
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
SETUP_GOT_ACCESS(r7,got_label)
addis r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@l
# ifdef SHARED
lwz r7,_rtld_global_ro@got(r7)
mtlr r8

16
sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
View File

@@ -1,5 +1,5 @@
/* Save current context and jump to a new context.
Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
Copyright (C) 2005, 2006, 2008, 2009, 2011 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
@@ -146,10 +146,9 @@ ENTRY(__CONTEXT_FUNC_NAME)
# ifdef PIC
mflr r8
bcl 20,31,1f
1: mflr r7
addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l
SETUP_GOT_ACCESS(r7,got_label)
addis r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@l
# ifdef SHARED
lwz r7,_rtld_global_ro@got(r7)
mtlr r8
@@ -299,10 +298,9 @@ ENTRY(__CONTEXT_FUNC_NAME)
# ifdef PIC
mflr r8
# ifdef HAVE_ASM_PPC_REL16
bcl 20,31,5f
5: mflr r7
addis r7,r7,_GLOBAL_OFFSET_TABLE_-5b@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-5b@l
SETUP_GOT_ACCESS(r7,got_label)
addis r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@ha
addi r7,r7,_GLOBAL_OFFSET_TABLE_-got_label@l
# else
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr r7