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Remove __ASSUME_SWAPCONTEXT_SYSCALL.

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This commit is contained in:
Joseph Myers
2012-08-20 14:39:53 +00:00
parent 445f7ecd66
commit a35cbf28fb
5 changed files with 14 additions and 21 deletions
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12
ChangeLog
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@ -1,5 +1,17 @@
2012-08-20 Joseph Myers <joseph@codesourcery.com> 2012-08-20 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_SWAPCONTEXT_SYSCALL): Remove.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
[__ASSUME_SWAPCONTEXT_SYSCALL]: Make code unconditional.
[!__ASSUME_SWAPCONTEXT_SYSCALL]: Remove conditional code.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
[__ASSUME_SWAPCONTEXT_SYSCALL]: Make code unconditional.
[!__ASSUME_SWAPCONTEXT_SYSCALL]: Remove conditional code.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
[__ASSUME_SWAPCONTEXT_SYSCALL]: Make code unconditional.
[!__ASSUME_SWAPCONTEXT_SYSCALL]: Remove conditional code.
* sysdeps/unix/sysv/linux/kernel-features.h [__s390__ && * sysdeps/unix/sysv/linux/kernel-features.h [__s390__ &&
__LINUX_KERNEL_VERSION >= 0x020616] (__ASSUME_UTIMES): Define. __LINUX_KERNEL_VERSION >= 0x020616] (__ASSUME_UTIMES): Define.

7
sysdeps/unix/sysv/linux/kernel-features.h
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@ -106,13 +106,6 @@
# define __ASSUME_FADVISE64_64_SYSCALL 1 # define __ASSUME_FADVISE64_64_SYSCALL 1
#endif #endif
/* Starting with 2.6.0 PowerPC adds signal/swapcontext support for Vector
SIMD (AKA Altivec, VMX) instructions and register state. This changes
the overall size of the sigcontext and adds the swapcontext syscall. */
#ifdef __powerpc__
# define __ASSUME_SWAPCONTEXT_SYSCALL 1
#endif
/* On sparc64 stat64/lstat64/fstat64 syscalls were introduced in 2.6.12. */ /* On sparc64 stat64/lstat64/fstat64 syscalls were introduced in 2.6.12. */
#if defined __sparc__ && defined __arch64__ #if defined __sparc__ && defined __arch64__
# define __ASSUME_STAT64_SYSCALL 1 # define __ASSUME_STAT64_SYSCALL 1

4
sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
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@ -32,7 +32,6 @@
/* Size of ucontext in GLIBC_2.3.4 and later. */ /* Size of ucontext in GLIBC_2.3.4 and later. */
#define _UC_SIZE_2_3_4 1184 #define _UC_SIZE_2_3_4 1184
#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
.section ".text"; .section ".text";
ENTRY (__getcontext) ENTRY (__getcontext)
li r4,0 li r4,0
@ -45,9 +44,6 @@ ENTRY (__getcontext)
1: 1:
b __syscall_error@local b __syscall_error@local
END(__getcontext) END(__getcontext)
#else
# include "getcontext-common.S"
#endif
versioned_symbol (libc, __getcontext, getcontext, GLIBC_2_3_4) versioned_symbol (libc, __getcontext, getcontext, GLIBC_2_3_4)

6
sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
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@ -1,5 +1,5 @@
/* Jump to a new context. /* Jump to a new context.
Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc. Copyright (C) 2002-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -32,7 +32,6 @@
/* Size of ucontext in GLIBC_2.3.4 and later. */ /* Size of ucontext in GLIBC_2.3.4 and later. */
#define _UC_SIZE_2_3_4 1184 #define _UC_SIZE_2_3_4 1184
#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
.section ".text"; .section ".text";
ENTRY (__setcontext) ENTRY (__setcontext)
mr r4,r3 mr r4,r3
@ -46,9 +45,6 @@ ENTRY (__setcontext)
1: 1:
b __syscall_error@local b __syscall_error@local
END(__setcontext) END(__setcontext)
#else
# include "setcontext-common.S"
#endif
versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4) versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4)

6
sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
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@ -1,5 +1,5 @@
/* Save current context and jump to a new context. /* Save current context and jump to a new context.
Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. Copyright (C) 2002-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -32,7 +32,6 @@
/* Size of ucontext in GLIBC_2.3.4 and later. */ /* Size of ucontext in GLIBC_2.3.4 and later. */
#define _UC_SIZE_2_3_4 1184 #define _UC_SIZE_2_3_4 1184
#ifdef __ASSUME_SWAPCONTEXT_SYSCALL
.section ".text"; .section ".text";
ENTRY (__swapcontext) ENTRY (__swapcontext)
li r5,_UC_SIZE_2_3_4; li r5,_UC_SIZE_2_3_4;
@ -44,9 +43,6 @@ ENTRY (__swapcontext)
1: 1:
b __syscall_error@local b __syscall_error@local
END(__swapcontext) END(__swapcontext)
#else
# include "swapcontext-common.S"
#endif
versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4) versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4)