i386: Remove six-argument specialized implementations

This patch removes the specialized i386 assembly implementations for
fallocate{64}, pselect, and sync_file_range now that i386 have
support for 6 argument syscalls.
This commit is contained in:
Adhemerval Zanella 2015-05-20 16:37:52 -03:00
parent 5be91118f6
commit 96dffc26dc
6 changed files with 12 additions and 197 deletions

View File

@ -1,3 +1,13 @@
2015-05-20 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) = misc)]: Remove
call_pselect6 object.
[$(subdir) = io]: Remove call_sync_file_range object.
* sysdeps/unix/sysv/linux/i386/call_pselect6.S: Remove file.
* sysdeps/unix/sysv/linux/i386/call_sync_file_range.S: Remove file.
* sysdeps/unix/sysv/linux/i386/pselect.c: Remove file.
* sysdeps/unix/sysv/linux/i386/sync_file_range.c: Remove file.
2015-05-20 Wilco Dijkstra <wdijkstr@arm.com>
* math/s_cproj.c: Add include "math_private.h".

View File

@ -2,7 +2,7 @@
default-abi := 32
ifeq ($(subdir),misc)
sysdep_routines += ioperm iopl vm86 call_pselect6
sysdep_routines += ioperm iopl vm86
endif
ifeq ($(subdir),elf)
@ -12,7 +12,7 @@ endif
# fallocate, posix_fallocate use six-argument inline syscalls.
ifeq ($(subdir),io)
sysdep_routines += call_sync_file_range libc-do-syscall
sysdep_routines += libc-do-syscall
endif
# libpthread uses six-argument inline syscalls.

View File

@ -1,64 +0,0 @@
/* Copyright (C) 2006-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#ifdef __NR_pselect6
.text
ENTRY(__call_pselect6)
.hidden __call_pselect6
pushl %ebx
cfi_adjust_cfa_offset (4)
pushl %esi
cfi_adjust_cfa_offset (4)
pushl %edi
cfi_adjust_cfa_offset (4)
pushl %ebp
cfi_adjust_cfa_offset (4)
cfi_rel_offset (ebp, 0)
cfi_rel_offset (edi, 4)
cfi_rel_offset (esi, 8)
cfi_rel_offset (ebx, 12)
movl $__NR_pselect6, %eax
movl 20(%esp), %ebx
movl 24(%esp), %ecx
movl 28(%esp), %edx
movl 32(%esp), %esi
movl 36(%esp), %edi
movl 40(%esp), %ebp
/* The syscall handling cannot handle 6 parameters. Yet. */
int $0x80
popl %ebp
cfi_adjust_cfa_offset (-4)
cfi_restore (ebp)
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)
ret
END(__call_pselect6)
#endif

View File

@ -1,70 +0,0 @@
/* Selective file content synch'ing.
Copyright (C) 2006-2015 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
.text
ENTRY (__call_sync_file_range)
#ifdef __NR_sync_file_range
pushl %ebx
cfi_adjust_cfa_offset (4)
pushl %esi
cfi_adjust_cfa_offset (4)
pushl %edi
cfi_adjust_cfa_offset (4)
pushl %ebp
cfi_adjust_cfa_offset (4)
movl 20(%esp), %ebx
cfi_rel_offset (ebx, 12)
movl 24(%esp), %ecx
movl 28(%esp), %edx
movl 32(%esp), %esi
cfi_rel_offset (esi, 8)
movl 36(%esp), %edi
cfi_rel_offset (edi, 4)
movl 40(%esp), %ebp
cfi_rel_offset (ebp, 0)
movl $SYS_ify(sync_file_range), %eax
ENTER_KERNEL
popl %ebp
cfi_adjust_cfa_offset (-4)
cfi_restore (ebp)
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)
cmpl $-4095, %eax
jae SYSCALL_ERROR_LABEL
#else
movl $-ENOSYS, %eax
jmp SYSCALL_ERROR_LABEL
#endif
ret
PSEUDO_END (__call_sync_file_range)

View File

@ -1,18 +0,0 @@
#include <sys/select.h>
extern int __call_pselect6 (int nfds, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, const struct timespec *timeout,
void *data) attribute_hidden;
#define CALL_PSELECT6(nfds, readfds, writefds, exceptfds, timeout, data) \
({ int r = __call_pselect6 (nfds, readfds, writefds, exceptfds, timeout, \
data); \
if (r < 0 && r > -4096) \
{ \
__set_errno (-r); \
r = -1; \
} \
r; })
#include "../pselect.c"

View File

@ -1,43 +0,0 @@
/* Selective file content synch'ing.
Copyright (C) 2006-2015 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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <sysdep-cancel.h>
extern int __call_sync_file_range (int fd, off64_t offset, off64_t nbytes,
unsigned int flags)
attribute_hidden;
int
sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
{
if (SINGLE_THREAD_P)
return __call_sync_file_range (fd, from, to, flags);
int result;
int oldtype = LIBC_CANCEL_ASYNC ();
result = __call_sync_file_range (fd, from, to, flags);
LIBC_CANCEL_RESET (oldtype);
return result;
}