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authorJoseph Myers <joseph@codesourcery.com>2012-08-21 21:07:22 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-08-21 21:07:22 +0000
commit0e1d99119e7851c112aefce64574506f8183e648 (patch)
tree3510594131c3c63740cf54b67af4e3f75579459a /sysdeps
parent14a50c9d238a8d79d48193482ed9a2be52d1dc3d (diff)
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Remove __ASSUME_FADVISE64_64_SYSCALL.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/i386/posix_fadvise64.S69
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h8
-rw-r--r--sysdeps/unix/sysv/linux/posix_fadvise64.c27
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c26
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c27
5 files changed, 7 insertions, 150 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
index 79fc071..00e6a41 100644
--- a/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
+++ b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
@@ -1,5 +1,4 @@
-/* Copyright (C) 1995-2000,2002,2003,2004,2005,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1995-2012 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
@@ -20,8 +19,6 @@
#include <bp-sym.h>
#include <bp-asm.h>
-#include <kernel-features.h>
-
#define EINVAL 22
#define ENOSYS 38
#define EOVERFLOW 75
@@ -38,8 +35,6 @@
.text
ENTRY (BP_SYM (__posix_fadvise64_l64))
-#ifdef __NR_fadvise64_64
-
/* Save registers. */
pushl %ebp
cfi_adjust_cfa_offset (4)
@@ -78,11 +73,6 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
cfi_adjust_cfa_offset (-4)
cfi_restore (ebp)
-#ifndef __ASSUME_FADVISE64_64_SYSCALL
- cmpl $-ENOSYS, %eax
- je 1f
-#endif
-
/* The function returns zero, or the error number. So all we
have to do is negate the value passed back from the kernel. */
/* If 0 > %eax > -4096 there was an error. */
@@ -90,72 +80,15 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
/* Successful; return the syscall's value. */
ret
-#endif
-
-#if defined __NR_fadvise64 \
- && (!defined __ASSUME_FADVISE64_64_SYSCALL || !defined __NR_fadvise64_64)
-1: /* Save registers. */
- pushl %ebx
- cfi_adjust_cfa_offset (4)
- pushl %esi
- cfi_adjust_cfa_offset (4)
- pushl %edi
- cfi_adjust_cfa_offset (4)
-
- /* Overflow check. */
- cmpl $0, LENHI(%esp)
- movl $-EOVERFLOW, %eax
- jne L(overflow)
-
- movl FD(%esp), %ebx
- cfi_rel_offset (ebx, 8)
- movl OFFLO(%esp), %ecx
- movl OFFHI(%esp), %edx
- movl LENLO(%esp), %esi
- cfi_rel_offset (esi, 4)
- movl FLAGS(%esp), %edi
- cfi_rel_offset (edi, 0)
-
- movl $SYS_ify(fadvise64), %eax
- ENTER_KERNEL
-
- /* Restore registers. */
-L(overflow):
- popl %edi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (edi)
- popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
- popl %ebx
- cfi_adjust_cfa_offset (-4)
- cfi_restore (ebx)
-
- /* If 0 > %eax > -4096 there was an error. */
- negl %eax
-
- /* Successful; return the syscall's value. */
- ret
-#else
- movl $ENOSYS, %eax
- ret
-#endif
END (BP_SYM (__posix_fadvise64_l64))
-#ifdef __NR_fadvise64
.section .text.compat, "ax"
ENTRY (__posix_fadvise64_l32)
DO_CALL (fadvise64, 5)
negl %eax
ret
PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
-#else
-ENTRY (BP_SYM (__posix_fadvise64_l32))
- movl $ENOSYS, %eax
- ret
-END (BP_SYM (__posix_fadvise64_l32))
-#endif
default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 2e45915..281faad 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -98,14 +98,6 @@
# define __ASSUME_UTIMES 1
#endif
-/* The fixed version of the posix_fadvise64 syscall appeared in
- 2.6.0-test3. At least for x86 and sparc. Powerpc support appeared
- in 2.6.2, but for 32-bit userspace only. */
-#if (defined __i386__ || defined __sparc__ \
- || (defined __powerpc__ && !defined __powerpc64__))
-# define __ASSUME_FADVISE64_64_SYSCALL 1
-#endif
-
/* On sparc64 stat64/lstat64/fstat64 syscalls were introduced in 2.6.12. */
#if defined __sparc__ && defined __arch64__
# define __ASSUME_STAT64_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c
index 5d51cf2..3eea6de 100644
--- a/sysdeps/unix/sysv/linux/posix_fadvise64.c
+++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -18,7 +18,6 @@
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
-#include <kernel-features.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
@@ -29,7 +28,6 @@ int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
int
__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
{
-#ifdef __NR_fadvise64_64
INTERNAL_SYSCALL_DECL (err);
int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
__LONG_LONG_PAIR ((long) (offset >> 32),
@@ -39,28 +37,7 @@ __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
advise);
if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
return 0;
-# ifndef __ASSUME_FADVISE64_64_SYSCALL
- if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
-# endif
- return INTERNAL_SYSCALL_ERRNO (ret, err);
-#endif
-#ifndef __ASSUME_FADVISE64_64_SYSCALL
-# ifdef __NR_fadvise64
- if (len != (off_t) len)
- return EOVERFLOW;
-
- INTERNAL_SYSCALL_DECL (err2);
- int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 5, fd,
- __LONG_LONG_PAIR ((long) (offset >> 32),
- (long) offset),
- (off_t) len, advise);
- if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
- return 0;
- return INTERNAL_SYSCALL_ERRNO (ret2, err2);
-# else
- return ENOSYS;
-# endif
-#endif
+ return INTERNAL_SYSCALL_ERRNO (ret, err);
}
#include <shlib-compat.h>
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c
index 2ffaec6..5b11e28 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -18,7 +18,6 @@
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
-#include <kernel-features.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
@@ -29,34 +28,13 @@ int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
int
__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
{
-#ifdef __NR_fadvise64_64
INTERNAL_SYSCALL_DECL (err);
int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advise,
__LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
__LONG_LONG_PAIR ((long)(len >> 32), (long)len));
if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
return 0;
-# ifndef __ASSUME_FADVISE64_64_SYSCALL
- if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
-# endif
- return INTERNAL_SYSCALL_ERRNO (ret, err);
-#endif
-#ifndef __ASSUME_FADVISE64_64_SYSCALL
-# ifdef __NR_fadvise64
- if (len != (off_t) len)
- return EOVERFLOW;
-
- INTERNAL_SYSCALL_DECL (err2);
- int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 6, fd, 0,
- __LONG_LONG_PAIR ((long)(offset >> 32), (long)offset),
- (off_t) len, advise);
- if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
- return 0;
- return INTERNAL_SYSCALL_ERRNO (ret2, err2);
-# else
- return ENOSYS;
-# endif
-#endif
+ return INTERNAL_SYSCALL_ERRNO (ret, err);
}
#include <shlib-compat.h>
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c b/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
index 05b81ec..480b92f 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -18,7 +18,6 @@
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
-#include <kernel-features.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
@@ -37,7 +36,6 @@ struct fadvise64_64_layout
int
__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
{
-#ifdef __NR_fadvise64_64
struct fadvise64_64_layout parameters;
INTERNAL_SYSCALL_DECL (err);
@@ -48,28 +46,7 @@ __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
int ret = INTERNAL_SYSCALL (fadvise64_64, err, 1, &parameters);
if (!INTERNAL_SYSCALL_ERROR_P (ret, err))
return 0;
-# ifndef __ASSUME_FADVISE64_64_SYSCALL
- if (INTERNAL_SYSCALL_ERRNO (ret, err) != ENOSYS)
-# endif
- return INTERNAL_SYSCALL_ERRNO (ret, err);
-#endif
-#ifndef __ASSUME_FADVISE64_64_SYSCALL
-# ifdef __NR_fadvise64
- if (len != (off_t) len)
- return EOVERFLOW;
-
- INTERNAL_SYSCALL_DECL (err2);
- int ret2 = INTERNAL_SYSCALL (fadvise64, err2, 5, fd,
- __LONG_LONG_PAIR ((long) (offset >> 32),
- (long) offset),
- (off_t) len, advise);
- if (!INTERNAL_SYSCALL_ERROR_P (ret2, err2))
- return 0;
- return INTERNAL_SYSCALL_ERRNO (ret2, err2);
-# else
- return ENOSYS;
-# endif
-#endif
+ return INTERNAL_SYSCALL_ERRNO (ret, err);
}
#include <shlib-compat.h>