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* sysdeps/arm/dl-machine.h (CLEAR_CACHE): Use INTERNAL_SYSCALL_ARM.

Browse Source 
* sysdeps/unix/sysv/linux/arm/brk.c (__brk): Use INLINE_SYSCALL.
	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use DO_CALL.
	* sysdeps/unix/sysv/linux/arm/eabi/configure.in: Bump
	arch_minimum_kernel.
	* sysdeps/unix/sysv/linux/arm/eabi/configure: Regenerated.
	* sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c,
	sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c,
	sysdeps/unix/sysv/linux/arm/eabi/fcntl.c,
	sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c,
	sysdeps/unix/sysv/linux/arm/eabi/ftruncate64.c,
	sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c,
	sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h,
	sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h,
	sysdeps/unix/sysv/linux/arm/eabi/lockf64.c,
	sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c,
	sysdeps/unix/sysv/linux/arm/eabi/semop.c,
	sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c,
	sysdeps/unix/sysv/linux/arm/eabi/statfs64.c,
	sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
	sysdeps/unix/sysv/linux/arm/eabi/uname.c,
	sysdeps/unix/sysv/linux/arm/eabi/xstat64.c,
	sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c,
	sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h: Removed.
	* sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h,
	sysdeps/unix/sysv/linux/arm/eabi/mmap64.S,
	sysdeps/unix/sysv/linux/arm/eabi/pread.c,
	sysdeps/unix/sysv/linux/arm/eabi/pread64.c,
	sysdeps/unix/sysv/linux/arm/eabi/pwrite.c,
	sysdeps/unix/sysv/linux/arm/eabi/pwrite64.c,
	sysdeps/unix/sysv/linux/arm/eabi/readahead.c,
	sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S,
	sysdeps/unix/sysv/linux/arm/eabi/socket.S,
	sysdeps/unix/sysv/linux/arm/eabi/syscall.S,
	sysdeps/unix/sysv/linux/arm/eabi/sysdep.h,
	sysdeps/unix/sysv/linux/arm/eabi/truncate64.c: New files.
	* sysdeps/unix/sysv/linux/arm/linuxthreads/sysdep-cancel.h
	(SINGLE_THREAD_P_INT, SINGLE_THREAD_P_PIC): Removed.
	(SINGLE_THREAD_P): Rewritten to use only ip.
	* sysdeps/unix/sysv/linux/arm/linuxthreads/vfork.S (__vfork): Use
	DO_CALL.
	* sysdeps/unix/sysv/linux/arm/mmap.S (__mmap): Use DO_CALL.
	* sysdeps/unix/sysv/linux/arm/mmap64.S (__mmap64): Use DO_CALL.
	Don't handle EABI here.
	* sysdeps/unix/sysv/linux/arm/socket.S (__socket): Use
	SINGLE_THREAD_P.
	* sysdeps/unix/sysv/linux/arm/vfork.S (__vfork): Use DO_CALL.
This commit is contained in:
Daniel Jacobowitz 2005-11-16 18:08:53 +00:00
parent c80f86b75e
commit de96d1483f
39 changed files with 906 additions and 1613 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
ChangeLog.arm
View File

@ -1,3 +1,53 @@
2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
* sysdeps/arm/dl-machine.h (CLEAR_CACHE): Use INTERNAL_SYSCALL_ARM.
* sysdeps/unix/sysv/linux/arm/brk.c (__brk): Use INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use DO_CALL.
* sysdeps/unix/sysv/linux/arm/eabi/configure.in: Bump
arch_minimum_kernel.
* sysdeps/unix/sysv/linux/arm/eabi/configure: Regenerated.
* sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c,
sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c,
sysdeps/unix/sysv/linux/arm/eabi/fcntl.c,
sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/ftruncate64.c,
sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h,
sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h,
sysdeps/unix/sysv/linux/arm/eabi/lockf64.c,
sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/semop.c,
sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c,
sysdeps/unix/sysv/linux/arm/eabi/statfs64.c,
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
sysdeps/unix/sysv/linux/arm/eabi/uname.c,
sysdeps/unix/sysv/linux/arm/eabi/xstat64.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c,
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h: Removed.
* sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h,
sysdeps/unix/sysv/linux/arm/eabi/mmap64.S,
sysdeps/unix/sysv/linux/arm/eabi/pread.c,
sysdeps/unix/sysv/linux/arm/eabi/pread64.c,
sysdeps/unix/sysv/linux/arm/eabi/pwrite.c,
sysdeps/unix/sysv/linux/arm/eabi/pwrite64.c,
sysdeps/unix/sysv/linux/arm/eabi/readahead.c,
sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S,
sysdeps/unix/sysv/linux/arm/eabi/socket.S,
sysdeps/unix/sysv/linux/arm/eabi/syscall.S,
sysdeps/unix/sysv/linux/arm/eabi/sysdep.h,
sysdeps/unix/sysv/linux/arm/eabi/truncate64.c: New files.
* sysdeps/unix/sysv/linux/arm/linuxthreads/sysdep-cancel.h
(SINGLE_THREAD_P_INT, SINGLE_THREAD_P_PIC): Removed.
(SINGLE_THREAD_P): Rewritten to use only ip.
* sysdeps/unix/sysv/linux/arm/linuxthreads/vfork.S (__vfork): Use
DO_CALL.
* sysdeps/unix/sysv/linux/arm/mmap.S (__mmap): Use DO_CALL.
* sysdeps/unix/sysv/linux/arm/mmap64.S (__mmap64): Use DO_CALL.
Don't handle EABI here.
* sysdeps/unix/sysv/linux/arm/socket.S (__socket): Use
SINGLE_THREAD_P.
* sysdeps/unix/sysv/linux/arm/vfork.S (__vfork): Use DO_CALL.
2005-11-03 Daniel Jacobowitz <dan@codesourcery.com>
* sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S: Add LGPL exception.

10
sysdeps/arm/dl-machine.h
View File

@ -35,15 +35,7 @@
&& VALID_ELF_ABIVERSION (hdr[EI_ABIVERSION])
#define CLEAR_CACHE(BEG,END) \
{ \
register unsigned long _beg __asm ("a1") = (unsigned long)(BEG); \
register unsigned long _end __asm ("a2") = (unsigned long)(END); \
register unsigned long _flg __asm ("a3") = 0; \
__asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
: /* no outputs */ \
: /* no inputs */ \
: "a1"); \
}
INTERNAL_SYSCALL_ARM (cacheflush, , 3, (BEG), (END), 0)
/* Return nonzero iff ELF header is compatible with the running host. */
static inline int __attribute__ ((unused))

11
sysdeps/unix/sysv/linux/arm/brk.c
View File

@ -1,5 +1,5 @@
/* brk system call for Linux/ARM.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 2005 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
@ -29,14 +29,7 @@ __brk (void *addr)
{
void *newbrk;
asm ("mov a1, %1\n" /* save the argment in r0 */
"swi %2\n" /* do the system call */
"mov %0, a1;" /* keep the return value */
: "=r"(newbrk)
: "r"(addr), "i" (SYS_ify (brk))
: "a1");
__curbrk = newbrk;
__curbrk = newbrk = (void *) INLINE_SYSCALL (brk, 1, addr);
if (newbrk < addr)
{

5
sysdeps/unix/sysv/linux/arm/clone.S
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Pat Beirne <patb@corelcomputer.com>
@ -42,7 +43,7 @@ ENTRY(__clone)
@ get flags
mov r0, r2
@ new sp is already in r1
swi SYS_ify(clone)
DO_CALL (clone, 0)
movs a1, a1
blt PLTJMP(C_SYMBOL_NAME(__syscall_error))
RETINSTR(ne, lr)

2
sysdeps/unix/sysv/linux/arm/eabi/configure vendored
View File

@ -1,5 +1,5 @@
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/arm/eabi.
arch_minimum_kernel=2.4.17
arch_minimum_kernel=2.6.14
libc_cv_gcc_unwind_find_fde=no

2
sysdeps/unix/sysv/linux/arm/eabi/configure.in
View File

@ -1,5 +1,5 @@
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/arm/eabi.
arch_minimum_kernel=2.4.17
arch_minimum_kernel=2.6.14
libc_cv_gcc_unwind_find_fde=no

54
sysdeps/unix/sysv/linux/arm/eabi/epoll_wait.c
View File

@ -1,54 +0,0 @@
/* epoll_ctl wrapper for ARM EABI.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include <errno.h>
#include <sys/epoll.h>
#include <stdlib.h>
#include <kernel_epoll.h>
int
epoll_wait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout);
{
struct kernel_epoll_event *k_events;
int result;
k_events = malloc (sizeof (struct kernel_epoll_event) * __maxevents);
if (k_events == NULL)
{
__set_errno (ENOMEM);
return -1;
}
result = INLINE_SYSCALL (epoll_wait, 4, __epfd, __events, k_events,
__timeout);
for (i = 0; i < result; i++)
{
__events[i].events = k_events[i].events;
memcpy (&__events[i].data, &k_events[i].data, sizeof (k_events[i].data));
}
free (k_events);
return result;
}
libc_hidden_def (epoll_wait)

229
sysdeps/unix/sysv/linux/arm/eabi/fcntl.c
View File

@ -1,229 +0,0 @@
/* Copyright (C) 2000, 2002, 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
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. */
#include <assert.h>
#include <errno.h>
#include <sysdep-cancel.h> /* Must come before <fcntl.h>. */
#include <fcntl.h>
#include <stdarg.h>
#include <sys/syscall.h>
#include "kernel-features.h"
#if __ASSUME_FCNTL64 == 0
/* This variable is shared with all files that check for fcntl64. */
int __have_no_fcntl64;
#endif
struct kernel_flock64 {
short l_type;
short l_whence;
off64_t l_start;
off64_t l_len;
pid_t l_pid;
} __attribute__((packed));
#if defined NO_CANCELLATION && __ASSUME_FCNTL64 == 0
# define __fcntl_nocancel __libc_fcntl
#endif
static inline void
__flock64_to_kernel (struct kernel_flock64 *kfl64,
const struct flock64 *fl64)
{
kfl64->l_type = fl64->l_type;
kfl64->l_whence = fl64->l_whence;
kfl64->l_start = fl64->l_start;
kfl64->l_len = fl64->l_len;
kfl64->l_pid = fl64->l_pid;
}
static inline void
__flock64_from_kernel (struct flock64 *fl64,
const struct kernel_flock64 *kfl64)
{
fl64->l_type = kfl64->l_type;
fl64->l_whence = kfl64->l_whence;
fl64->l_start = kfl64->l_start;
fl64->l_len = kfl64->l_len;
fl64->l_pid = kfl64->l_pid;
}
#if !defined NO_CANCELLATION || __ASSUME_FCNTL64 == 0
int
__fcntl_nocancel (int fd, int cmd, ...)
{
va_list ap;
void *arg;
struct kernel_flock64 kfl;
struct flock64 *orig_arg;
va_start (ap, cmd);
arg = va_arg (ap, void *);
va_end (ap);
#if __ASSUME_FCNTL64 == 0
# ifdef __NR_fcntl64
if (! __have_no_fcntl64)
{
orig_arg = arg;
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
{
arg = &kfl;
__flock64_to_kernel (&kfl, orig_arg);
}
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (result >= 0 || errno != ENOSYS)
{
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
return result;
}
__have_no_fcntl64 = 1;
}
# endif
switch (cmd)
{
case F_GETLK64:
/* Convert arg from flock64 to flock and back. */
{
struct flock fl;
struct flock64 *fl64 = arg;
int res;
fl.l_start = (off_t)fl64->l_start;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_start != fl64->l_start)
{
eoverflow:
__set_errno (EOVERFLOW);
return -1;
}
fl.l_len = (off_t) fl64->l_len;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_len != fl64->l_len)
goto eoverflow;
fl.l_type = fl64->l_type;
fl.l_whence = fl64->l_whence;
fl.l_pid = fl64->l_pid;
res = INLINE_SYSCALL (fcntl, 3, fd, F_GETLK, &fl);
if (res != 0)
return res;
/* Everything ok, convert back. */
fl64->l_type = fl.l_type;
fl64->l_whence = fl.l_whence;
fl64->l_start = fl.l_start;
fl64->l_len = fl.l_len;
fl64->l_pid = fl.l_pid;
return 0;
}
case F_SETLK64:
case F_SETLKW64:
/* Try to convert arg from flock64 to flock. */
{
struct flock fl;
struct flock64 *fl64 = arg;
fl.l_start = (off_t) fl64->l_start;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_start != fl64->l_start)
goto eoverflow;
fl.l_len = (off_t)fl64->l_len;
/* Check if we can represent the values with the smaller type. */
if ((off64_t) fl.l_len != fl64->l_len)
{
__set_errno (EOVERFLOW);
return -1;
}
fl.l_type = fl64->l_type;
fl.l_whence = fl64->l_whence;
fl.l_pid = fl64->l_pid;
assert (F_SETLK - F_SETLKW == F_SETLK64 - F_SETLKW64);
return INLINE_SYSCALL (fcntl, 3, fd, cmd + F_SETLK - F_SETLK64, &fl);
}
default:
return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
}
return -1;
#else
return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
#endif /* !__ASSUME_FCNTL64 */
}
#endif /* NO_CANCELLATION || !__ASSUME_FCNTL64 */
#ifndef __fcntl_nocancel
int
__libc_fcntl (int fd, int cmd, ...)
{
va_list ap;
void *arg;
struct kernel_flock64 kfl;
struct flock64 *orig_arg;
va_start (ap, cmd);
arg = va_arg (ap, void *);
va_end (ap);
#if __ASSUME_FCNTL64 > 0
orig_arg = arg;
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
{
arg = &kfl;
__flock64_to_kernel (&kfl, orig_arg);
}
if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
{
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
__flock64_from_kernel (orig_arg, &kfl);
#else
if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
return __fcntl_nocancel (fd, cmd, arg);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = __fcntl_nocancel (fd, cmd, arg);
#endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
#endif
libc_hidden_def (__libc_fcntl)
weak_alias (__libc_fcntl, __fcntl)
libc_hidden_weak (__fcntl)
weak_alias (__libc_fcntl, fcntl)

76
sysdeps/unix/sysv/linux/arm/eabi/fstatfs64.c
View File

@ -1,76 +0,0 @@
/* Return information about the filesystem on which FD resides.
Copyright (C) 1996,1997,1998,1999,2000,2003,2005
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. */
#include <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <stddef.h>
#include <sysdep.h>
/* Defined in statfs64.c. */
extern int __no_statfs64 attribute_hidden;
/* Return information about the filesystem on which FD resides. */
int
__fstatfs64 (int fd, struct statfs64 *buf)
{
#ifdef __NR_fstatfs64
# if __ASSUME_STATFS64 == 0
if (! __no_statfs64)
# endif
{
/* The EABI structure is the same as the old ABI structure, except
that it has four additional bytes of padding - at the end. We can
ignore them. */
int result = INLINE_SYSCALL (fstatfs64, 3, fd, sizeof (*buf) - 4, buf);
# if __ASSUME_STATFS64 == 0
if (result == 0 || errno != ENOSYS)
# endif
return result;
# if __ASSUME_STATFS64 == 0
__no_statfs64 = 1;
# endif
}
#endif
#if __ASSUME_STATFS64 == 0
struct statfs buf32;
if (__fstatfs (fd, &buf32) < 0)
return -1;
buf->f_type = buf32.f_type;
buf->f_bsize = buf32.f_bsize;
buf->f_blocks = buf32.f_blocks;
buf->f_bfree = buf32.f_bfree;
buf->f_bavail = buf32.f_bavail;
buf->f_files = buf32.f_files;
buf->f_ffree = buf32.f_ffree;
buf->f_fsid = buf32.f_fsid;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
#endif
}
weak_alias (__fstatfs64, fstatfs64)

77
sysdeps/unix/sysv/linux/arm/eabi/ftruncate64.c Normal file
View File

@ -0,0 +1,77 @@
/* Copyright (C) 1997,1998,1999,2000,2001,2003, 2005
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. */
#include <sys/types.h>
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.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;
#endif
/* Truncate the file FD refers to to LENGTH bytes. */
int
__ftruncate64 (int fd, off64_t length)
{
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (! __have_no_truncate64)
#endif
{
unsigned int low = length & 0xffffffff;
unsigned int high = length >> 32;
#ifndef __ASSUME_TRUNCATE64_SYSCALL
int saved_errno = errno;
#endif
int result = INLINE_SYSCALL (ftruncate64, 4, fd, 0,
__LONG_LONG_PAIR (high, low));
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (result != -1 || errno != ENOSYS)
#endif
return result;
#ifndef __ASSUME_TRUNCATE64_SYSCALL
__set_errno (saved_errno);
__have_no_truncate64 = 1;
#endif
}
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if ((off_t) length != length)
{
__set_errno (EINVAL);
return -1;
}
return __ftruncate (fd, (off_t) length);
#endif
}
weak_alias (__ftruncate64, ftruncate64)
#else
/* Use the generic implementation. */
# include <sysdeps/generic/ftruncate64.c>
#endif

100
sysdeps/unix/sysv/linux/arm/eabi/fxstat64.c
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@ -1,100 +0,0 @@
/* fxstat64 using old-style Unix fstat system call.
Copyright (C) 1997-2002, 2003, 2005 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. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_fstat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
#endif
/* Get information about the file FD in BUF. */
int
___fxstat64 (int vers, int fd, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#if __ASSUME_STAT64_SYSCALL > 0
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# if defined __NR_fstat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t)buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___fxstat64, __fxstat64, GLIBC_2_2);
strong_alias (___fxstat64, __old__fxstat64)
compat_symbol (libc, __old__fxstat64, __fxstat64, GLIBC_2_1);
hidden_ver (___fxstat64, __fxstat64)
#else
strong_alias (___fxstat64, __fxstat64)
hidden_def (__fxstat64)
#endif

59
sysdeps/unix/sysv/linux/arm/eabi/kernel_stat.h
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@ -1,59 +0,0 @@
/* Copyright (C) 2005 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. */
#include <sysdeps/unix/sysv/linux/kernel_stat.h>
/* kernel_stat64 is just like stat64, except packed. The EABI aligns
st_size to an eight byte boundary but the old ABI only aligns it to
four. Similarly st_blocks. */
struct kernel_stat64
{
__dev_t st_dev; /* Device. */
unsigned int __pad1;
__ino_t __st_ino; /* 32bit file serial number. */
__mode_t st_mode; /* File mode. */
__nlink_t st_nlink; /* Link count. */
__uid_t st_uid; /* User ID of the file's owner. */
__gid_t st_gid; /* Group ID of the file's group.*/
__dev_t st_rdev; /* Device number, if device. */
unsigned int __pad2;
__off64_t st_size; /* Size of file, in bytes. */
__blksize_t st_blksize; /* Optimal block size for I/O. */
__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
#ifdef __USE_MISC
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
identifier 'timespec' to appear in the <sys/stat.h> header.
Therefore we have to handle the use of this header in strictly
standard-compliant sources special. */
struct timespec st_atim; /* Time of last access. */
struct timespec st_mtim; /* Time of last modification. */
struct timespec st_ctim; /* Time of last status change. */
#else
__time_t st_atime; /* Time of last access. */
unsigned long int st_atimensec; /* Nscecs of last access. */
__time_t st_mtime; /* Time of last modification. */
unsigned long int st_mtimensec; /* Nsecs of last modification. */
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
__ino64_t st_ino; /* File serial number. */
} __attribute__ ((packed,aligned(4)));

112
sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h Normal file
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@ -0,0 +1,112 @@
/* Copyright (C) 2003, 2005 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. */
#include <sysdep.h>
#ifndef __ASSEMBLER__
# include <linuxthreads/internals.h>
#endif
#if !defined NOT_IN_libc || defined IS_IN_libpthread
# undef PSEUDO
# define PSEUDO(name, syscall_name, args) \
.section ".text"; \
PSEUDO_PROLOGUE; \
ENTRY (name); \
SINGLE_THREAD_P; \
DOARGS_##args; \
bne .Lpseudo_cancel; \
mov ip, r7; \
ldr r7, =SYS_ify (syscall_name); \
swi 0x0; \
mov r7, ip; \
UNDOARGS_##args; \
cmn r0, $4096; \
PSEUDO_RET; \
.Lpseudo_cancel: \
DOCARGS_##args; /* save syscall args etc. around CENABLE. */ \
CENABLE; \
mov ip, r0; /* put mask in safe place. */ \
UNDOCARGS_##args; /* restore syscall args. */ \
ldr r7, =SYS_ify (syscall_name); \
swi 0x0; /* do the call. */ \
mov r7, r0; /* save syscall return value. */ \
mov r0, ip; /* get mask back. */ \
CDISABLE; \
mov r0, r7; /* retrieve return value. */ \
RESTORE_LR_##args; \
UNDOARGS_##args; \
cmn r0, $4096;
/* DOARGS pushes four bytes on the stack for five arguments, and nothing
otherwise. In order to preserve doubleword alignment, sometimes we must
save an extra register. */
# define DOCARGS_0 stmfd sp!, {r7, lr}
# define UNDOCARGS_0
# define RESTORE_LR_0 ldmfd sp!, {r7, lr}
# define DOCARGS_1 stmfd sp!, {r0, r1, r7, lr}
# define UNDOCARGS_1 ldr r0, [sp], #8
# define RESTORE_LR_1 RESTORE_LR_0
# define DOCARGS_2 stmfd sp!, {r0, r1, r7, lr}
# define UNDOCARGS_2 ldmfd sp!, {r0, r1}
# define RESTORE_LR_2 RESTORE_LR_0
# define DOCARGS_3 stmfd sp!, {r0, r1, r2, r3, r7, lr}
# define UNDOCARGS_3 ldmfd sp!, {r0, r1, r2, r3}
# define RESTORE_LR_3 RESTORE_LR_0
# define DOCARGS_4 stmfd sp!, {r0, r1, r2, r3, r7, lr}
# define UNDOCARGS_4 ldmfd sp!, {r0, r1, r2, r3}
# define RESTORE_LR_4 RESTORE_LR_0
# define DOCARGS_5 stmfd sp!, {r0, r1, r2, r3, r4, r7, lr}
# define UNDOCARGS_5 ldmfd sp!, {r0, r1, r2, r3}
# define RESTORE_LR_5 ldmfd sp!, {r4, r7, lr}
# ifdef IS_IN_libpthread
# define CENABLE bl PLTJMP(__pthread_enable_asynccancel)
# define CDISABLE bl PLTJMP(__pthread_disable_asynccancel)
# define __local_multiple_threads __pthread_multiple_threads
# else
# define CENABLE bl PLTJMP(__libc_enable_asynccancel)
# define CDISABLE bl PLTJMP(__libc_disable_asynccancel)
# define __local_multiple_threads __libc_multiple_threads
# endif
# ifndef __ASSEMBLER__
extern int __local_multiple_threads attribute_hidden;
# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
# else
# define SINGLE_THREAD_P \
ldr ip, 1b; \
2: \
ldr ip, [pc, ip]; \
teq ip, #0;
# define PSEUDO_PROLOGUE \
1: .word __local_multiple_threads - 2f - 8;
# endif
#else
/* For rtld, et cetera. */
# define SINGLE_THREAD_P 1
#endif

202
sysdeps/unix/sysv/linux/arm/eabi/lockf64.c
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@ -1,202 +0,0 @@
/* Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 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
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. */
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sysdep.h>
#include "kernel-features.h"
/* lockf is a simplified interface to fcntl's locking facilities. */
#ifdef __NR_fcntl64
# if __ASSUME_FCNTL64 == 0
/* This variable is shared with all files that check for fcntl64. The
declaration is in fcntl.c. */
extern int __have_no_fcntl64;
# endif
#endif
struct kernel_flock64 {
short l_type;
short l_whence;
off64_t l_start;
off64_t l_len;
pid_t l_pid;
} __attribute__((packed));
int
lockf64 (int fd, int cmd, off64_t len64)
{
#if __ASSUME_FCNTL64 == 0
struct flock fl;
off_t len = (off_t) len64;
#endif
#ifdef __NR_fcntl64
struct kernel_flock64 fl64;
int cmd64;
#endif
#if __ASSUME_FCNTL64 == 0
memset ((char *) &fl, '\0', sizeof (fl));
/* lockf is always relative to the current file position. */
fl.l_whence = SEEK_CUR;
fl.l_start = 0;
fl.l_len = len;
#endif
#ifdef __NR_fcntl64
# if __ASSUME_FCNTL64 == 0
if (!__have_no_fcntl64)
{
# endif
memset ((char *) &fl64, '\0', sizeof (fl64));
fl64.l_whence = SEEK_CUR;
fl64.l_start = 0;
fl64.l_len = len64;
# if __ASSUME_FCNTL64 == 0
}
# endif
#endif
#if __ASSUME_FCNTL64 == 0 && !defined __NR_fcntl64
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
#endif
switch (cmd)
{
case F_TEST:
/* Test the lock: return 0 if FD is unlocked or locked by this process;
return -1, set errno to EACCES, if another process holds the lock. */
#if __ASSUME_FCNTL64 > 0
fl64.l_type = F_RDLCK;
if (INLINE_SYSCALL (fcntl64, 3, fd, F_GETLK64, &fl64) < 0)
return -1;
if (fl64.l_type == F_UNLCK || fl64.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
#else
# ifdef __NR_fcntl64
if (!__have_no_fcntl64)
{
int res;
fl64.l_type = F_RDLCK;
res = INLINE_SYSCALL (fcntl64, 3, fd, F_GETLK64, &fl64);
/* If errno == ENOSYS try the 32bit interface if len64 can
be represented with 32 bits. */
if (res == 0)
{
if (fl64.l_type == F_UNLCK || fl64.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
}
else if (errno == ENOSYS)
__have_no_fcntl64 = 1;
else
/* res < 0 && errno != ENOSYS. */
return -1;
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
}
# endif
fl.l_type = F_RDLCK;
if (__fcntl (fd, F_GETLK, &fl) < 0)
return -1;
if (fl.l_type == F_UNLCK || fl.l_pid == __getpid ())
return 0;
__set_errno (EACCES);
return -1;
#endif
case F_ULOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_UNLCK;
cmd = F_SETLK;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_UNLCK;
cmd64 = F_SETLK64;
#endif
break;
case F_LOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_WRLCK;
cmd = F_SETLKW;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_WRLCK;
cmd64 = F_SETLKW64;
#endif
break;
case F_TLOCK:
#if __ASSUME_FCNTL64 == 0
fl.l_type = F_WRLCK;
cmd = F_SETLK;
#endif
#ifdef __NR_fcntl64
fl64.l_type = F_WRLCK;
cmd64 = F_SETLK64;
#endif
break;
default:
__set_errno (EINVAL);
return -1;
}
#if __ASSUME_FCNTL64 > 0
return INLINE_SYSCALL (fcntl64, 3, fd, cmd64, &fl64);
#else
# ifdef __NR_fcntl64
if (!__have_no_fcntl64)
{
int res = INLINE_SYSCALL (fcntl64, 3, fd, cmd64, &fl64);
/* If errno == ENOSYS try the 32bit interface if len64 can
be represented with 32 bits. */
if (res == 0 || errno != ENOSYS)
return res;
__have_no_fcntl64 = 1;
if (len64 != (off64_t) len)
{
/* We can't represent the length. */
__set_errno (EOVERFLOW);
return -1;
}
}
# endif
return __fcntl (fd, cmd, &fl);
#endif
}

99
sysdeps/unix/sysv/linux/arm/eabi/lxstat64.c
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@ -1,99 +0,0 @@
/* lxstat64 using old-style Unix lstat system call.
Copyright (C) 1997-2002, 2003, 2005 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. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_lstat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
#endif
/* Get information about the file NAME in BUF. */
int
___lxstat64 (int vers, const char *name, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#ifdef __ASSUME_STAT64_SYSCALL
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# ifdef __NR_lstat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___lxstat64, __lxstat64, GLIBC_2_2);
strong_alias (___lxstat64, __old__lxstat64)
compat_symbol (libc, __old__lxstat64, __lxstat64, GLIBC_2_1);
hidden_ver (___lxstat64, __lxstat64)
#else
strong_alias (___lxstat64, __lxstat64);
hidden_def (__lxstat64)
#endif

56
sysdeps/unix/sysv/linux/arm/eabi/mmap64.S Normal file
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@ -0,0 +1,56 @@
/* Copyright (C) 2000, 2003, 2005 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. */
#include <sysdep.h>
#define EINVAL 22
#ifdef __ARMEB__
# define LOW_OFFSET 8 + 4
/* The initial + 4 is for the stack postdecrement. */
# define HIGH_OFFSET 4 + 8 + 0
#else
# define LOW_OFFSET 8 + 0
# define HIGH_OFFSET 4 + 8 + 4
#endif
/* The mmap2 system call takes six arguments, all in registers. */
.text
ENTRY (__mmap64)
ldr ip, [sp, $LOW_OFFSET]
str r5, [sp, #-4]!
ldr r5, [sp, $HIGH_OFFSET]
str r4, [sp, #-4]!
movs r4, ip, lsl $20 @ check that offset is page-aligned
mov ip, ip, lsr $12
moveqs r4, r5, lsr $12 @ check for overflow
bne .Linval
ldr r4, [sp, $8] @ load fd
orr r5, ip, r5, lsl $20 @ compose page offset
DO_CALL (mmap2, 0)
cmn r0, $4096
ldmfd sp!, {r4, r5}
RETINSTR(cc, lr)
b PLTJMP(syscall_error)
.Linval:
mov r0, $-EINVAL
ldmfd sp!, {r4, r5}
b PLTJMP(syscall_error)
PSEUDO_END (__mmap64)
weak_alias (__mmap64, mmap64)

61
sysdeps/unix/sysv/linux/arm/eabi/pread.c Normal file
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@ -0,0 +1,61 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
ssize_t
__libc_pread (fd, buf, count, offset)
int fd;
void *buf;
size_t count;
off_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
LIBC_CANCEL_RESET (oldtype);
return result;
}
strong_alias (__libc_pread, __pread)
weak_alias (__libc_pread, pread)

63
sysdeps/unix/sysv/linux/arm/eabi/pread64.c Normal file
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@ -0,0 +1,63 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
ssize_t
__libc_pread64 (fd, buf, count, offset)
int fd;
void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pread64, __pread64)
weak_alias (__libc_pread64, pread64)

61
sysdeps/unix/sysv/linux/arm/eabi/pwrite.c Normal file
View File

@ -0,0 +1,61 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
ssize_t
__libc_pwrite (fd, buf, count, offset)
int fd;
const void *buf;
size_t count;
off_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
LIBC_CANCEL_RESET (oldtype);
return result;
}
strong_alias (__libc_pwrite, __pwrite)
weak_alias (__libc_pwrite, pwrite)

64
sysdeps/unix/sysv/linux/arm/eabi/pwrite64.c Normal file
View File

@ -0,0 +1,64 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
ssize_t
__libc_pwrite64 (fd, buf, count, offset)
int fd;
const void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pwrite64, __pwrite64)
libc_hidden_weak (__pwrite64)
weak_alias (__libc_pwrite64, pwrite64)

44
sysdeps/unix/sysv/linux/arm/eabi/uname.c → sysdeps/unix/sysv/linux/arm/eabi/readahead.c
View File

@ -1,5 +1,5 @@
/* Copyright (C) 2005
Free Software Foundation, Inc.
/* Provide kernel hint to read ahead.
Copyright (C) 2002, 2003, 2004, 2005 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
@ -18,26 +18,34 @@
02111-1307 USA. */
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <endian.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <string.h>
#include <sys/utsname.h>
/* The kernel's struct utsname is two bytes larger than a userland struct
utsname due to the APCS structure size boundary. */
int
__uname (struct utsname *__name)
#ifdef __NR_readahead
ssize_t
__readahead (int fd, off64_t offset, size_t count)
{
char buf[sizeof (struct utsname) + 2];
int result = INLINE_SYSCALL (uname, 1, buf);
if (result == 0)
memcpy (__name, buf, sizeof (struct utsname));
return result;
return INLINE_SYSCALL (readahead, 5, fd, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)),
count);
}
#else
ssize_t
__readahead (int fd, off64_t offset, size_t count)
{
__set_errno (ENOSYS);
return -1;
}
stub_warning (readahead)
libc_hidden_def (__uname)
strong_alias (__uname, uname)
libc_hidden_weak (uname)
# include <stub-tag.h>
#endif
weak_alias (__readahead, readahead)

67
sysdeps/unix/sysv/linux/arm/eabi/semop.c
View File

@ -1,67 +0,0 @@
/* Copyright (C) 1995, 1997, 1998, 1999, 2000, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
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. */
#include <errno.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <alloca.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
struct kernel_sembuf
{
unsigned short int sem_num; /* semaphore number */
short int sem_op; /* semaphore operation */
short int sem_flg; /* operation flag */
short int __pad1;
};
/* Perform user-defined atomical operation of array of semaphores. */
int
semop (semid, sops, nsops)
int semid;
struct sembuf *sops;
size_t nsops;
{
struct kernel_sembuf *ksops = alloca (sizeof (ksops[0]) * nsops);
size_t i;
int result;
for (i = 0; i < nsops; i++)
{
ksops[i].sem_num = sops[i].sem_num;
ksops[i].sem_op = sops[i].sem_op;
ksops[i].sem_flg = sops[i].sem_flg;
}
result = INLINE_SYSCALL (ipc, 5, IPCOP_semop,
semid, (int) nsops, 0, CHECK_N (ksops, nsops));
for (i = 0; i < nsops; i++)
{
sops[i].sem_num = ksops[i].sem_num;
sops[i].sem_op = ksops[i].sem_op;
sops[i].sem_flg = ksops[i].sem_flg;
}
return result;
}

69
sysdeps/unix/sysv/linux/arm/eabi/semtimedop.c
View File

@ -1,69 +0,0 @@
/* Copyright (C) 1995, 1997, 1998, 1999, 2000, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
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. */
#include <errno.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <alloca.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
struct kernel_sembuf
{
unsigned short int sem_num; /* semaphore number */
short int sem_op; /* semaphore operation */
short int sem_flg; /* operation flag */
short int __pad1;
};
/* Perform user-defined atomical operation of array of semaphores. */
int
semtimedop (semid, sops, nsops, timeout)
int semid;
struct sembuf *sops;
size_t nsops;
const struct timespec *timeout;
{
struct kernel_sembuf *ksops = alloca (sizeof (ksops[0]) * nsops);
size_t i;
int result;
for (i = 0; i < nsops; i++)
{
ksops[i].sem_num = sops[i].sem_num;
ksops[i].sem_op = sops[i].sem_op;
ksops[i].sem_flg = sops[i].sem_flg;
}
result = INLINE_SYSCALL (ipc, 6, IPCOP_semtimedop,
semid, (int) nsops, 0, CHECK_N (sops, nsops),
timeout);
for (i = 0; i < nsops; i++)
{
sops[i].sem_num = ksops[i].sem_num;
sops[i].sem_op = ksops[i].sem_op;
sops[i].sem_flg = ksops[i].sem_flg;
}
return result;
}

26
sysdeps/unix/sysv/linux/arm/eabi/epoll_ctl.c → sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S
View File

@ -1,5 +1,4 @@
/* epoll_ctl wrapper for ARM EABI.
Copyright (C) 2005 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2005 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
@ -18,20 +17,19 @@
02111-1307 USA. */
#include <sysdep.h>
#include <errno.h>
#include <sys/epoll.h>
#include <kernel_epoll.h>
/* If no SA_RESTORER function was specified by the application we use
one of these. This avoids the need for the kernel to synthesise a return
instruction on the stack, which would involve expensive cache flushes. */
int
epoll_ctl (int __epfd, int __op, int __fd, struct epoll_event *__event)
{
struct kernel_epoll_event k_event;
ENTRY(__default_sa_restorer)
mov r7, $SYS_ify(sigreturn)
swi 0x0
k_event.events = __event->events;
memcpy (&k_event.data, &__event->data, sizeof (k_event.data));
#ifdef __NR_rt_sigreturn
return INLINE_SYSCALL (epoll_ctl, 4, __epfd, __op, __fd, &k_event);
}
ENTRY(__default_rt_sa_restorer)
mov r7, $SYS_ify(rt_sigreturn)
swi 0x0
libc_hidden_def (epoll_ctl)
#endif

127
sysdeps/unix/sysv/linux/arm/eabi/socket.S Normal file
View File

@ -0,0 +1,127 @@
/* Copyright (C) 1995, 1996, 1997, 1998, 2003, 2005
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. */
#include <sysdep-cancel.h>
#include <socketcall.h>
#define P(a, b) P2(a, b)
#define P2(a, b) a##b
.text
/* The socket-oriented system calls are handled unusally in Linux.
They are all gated through the single `socketcall' system call number.
`socketcall' takes two arguments: the first is the subcode, specifying
which socket function is being called; and the second is a pointer to
the arguments to the specific function.
The .S files for the other calls just #define socket and #include this. */
#ifndef __socket
#ifndef NO_WEAK_ALIAS
#define __socket P(__,socket)
#else
#define __socket socket
#endif
#endif
#define PUSHARGS_1 str a1, [sp, $-8]!
#define PUSHARGS_2 stmfd sp!, {a1, a2}
#define PUSHARGS_3 stmfd sp!, {a1, a2, a3, a4} /* a4 pushed for padding */
#define PUSHARGS_4 stmfd sp!, {a1, a2, a3, a4}
#define PUSHARGS_5 stmfd sp!, {a1, a2, a3, a4} /* Caller has already pushed arg 5 */
#define PUSHARGS_6 stmfd sp!, {a1, a2, a3, a4}
#define POPARGS_1 add sp, sp, #8
#define POPARGS_2 add sp, sp, #8
#define POPARGS_3 add sp, sp, #16
#define POPARGS_4 add sp, sp, #16
#define POPARGS_5 add sp, sp, #16
#define POPARGS_6 add sp, sp, #16
#ifndef NARGS
#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
#endif
#if defined NEED_CANCELLATION && defined CENABLE
PSEUDO_PROLOGUE
#endif
.globl __socket
ENTRY (__socket)
/* This code previously moved sp into ip and stored the args using
stmdb ip!, {a1-a4}. It did not modify sp, so the stack never had
to be restored after the syscall completed. It saved an
instruction and meant no stack cleanup work was required.
This will not work in the case of a socket call being interrupted
by a signal. If the signal handler uses any stack the arguments
to socket will be trashed. The results of a restart of any
socket call are then unpredictable. */
/* Push args onto the stack. */
P(PUSHARGS_,NARGS)
#if defined NEED_CANCELLATION && defined CENABLE
SINGLE_THREAD_P
bne 1f
#endif
/* Do the system call trap. */
mov a1, $P(SOCKOP_,socket)
mov a2, sp
DO_CALL (socketcall, 0)
/* Pop args off the stack */
P(POPARGS_,NARGS)
/* r0 is < 0 if there was an error. */
cmn r0, $124
RETINSTR(cc, r14)
b PLTJMP(SYSCALL_ERROR)
#if defined NEED_CANCELLATION && defined CENABLE
1:
stmfd sp!, {r7, lr}
CENABLE
mov ip, r0
mov r0, #P(SOCKOP_,socket)
add r1, sp, #4
mov r7, #SYS_ify(socketcall)
swi 0x0
mov r7, r0
mov r0, ip
CDISABLE
mov r0, r7
ldmfd sp!, {r7, lr}
P(POPARGS_,NARGS)
/* r0 is < 0 if there was an error. */
cmn r0, $124
RETINSTR(cc, r14)
b PLTJMP(SYSCALL_ERROR)
#endif
PSEUDO_END (__socket)
#ifndef NO_WEAK_ALIAS
weak_alias (__socket, socket)
#endif

77
sysdeps/unix/sysv/linux/arm/eabi/statfs64.c
View File

@ -1,77 +0,0 @@
/* Return information about the filesystem on which FILE resides.
Copyright (C) 1996-2000,2003,2004,2005 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. */
#include <errno.h>
#include <string.h>
#include <sys/statfs.h>
#include <stddef.h>
#include <sysdep.h>
# if __ASSUME_STATFS64 == 0
int __no_statfs64 attribute_hidden;
#endif
/* Return information about the filesystem on which FILE resides. */
int
__statfs64 (const char *file, struct statfs64 *buf)
{
#ifdef __NR_statfs64
# if __ASSUME_STATFS64 == 0
if (! __no_statfs64)
# endif
{
/* The EABI structure is the same as the old ABI structure, except
that it has four additional bytes of padding - at the end. We can
ignore them. */
int result = INLINE_SYSCALL (statfs64, 3, file, sizeof (*buf) - 4, buf);
# if __ASSUME_STATFS64 == 0
if (result == 0 || errno != ENOSYS)
# endif
return result;
# if __ASSUME_STATFS64 == 0
__no_statfs64 = 1;
# endif
}
#endif
#if __ASSUME_STATFS64 == 0
struct statfs buf32;
if (__statfs (file, &buf32) < 0)
return -1;
buf->f_type = buf32.f_type;
buf->f_bsize = buf32.f_bsize;
buf->f_blocks = buf32.f_blocks;
buf->f_bfree = buf32.f_bfree;
buf->f_bavail = buf32.f_bavail;
buf->f_files = buf32.f_files;
buf->f_ffree = buf32.f_ffree;
buf->f_fsid = buf32.f_fsid;
buf->f_namelen = buf32.f_namelen;
buf->f_frsize = buf32.f_frsize;
memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
return 0;
#endif
}
weak_alias (__statfs64, statfs64)

25
sysdeps/unix/sysv/linux/arm/eabi/kernel_epoll.h → sysdeps/unix/sysv/linux/arm/eabi/syscall.S
View File

@ -16,8 +16,23 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
struct kernel_epoll_event
{
uint32_t events; /* Epoll events */
epoll_data_t data; /* User data variable */
} __attribute__ ((packed,aligned(4)));
#include <sysdep.h>
/* In the EABI syscall interface, we don't need a special syscall to
implement syscall(). It won't work reliably with 64-bit arguments
(but that is true on many modern platforms). */
ENTRY (syscall)
mov ip, sp
stmfd sp!, {r4, r5, r6, r7}
mov r7, r0
mov r0, r1
mov r1, r2
mov r2, r3
ldmfd ip, {r3, r4, r5, r6}
swi 0x0
ldmfd sp!, {r4, r5, r6, r7}
cmn r0, #4096
RETINSTR(cc, lr)
b PLTJMP(syscall_error)
PSEUDO_END (syscall)

4
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list
View File

@ -1,4 +0,0 @@
# File name Caller Syscall name # args Strong name Weak names
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
epoll_wait EXTRA epoll_wait i:ipii epoll_wait

72
sysdeps/unix/sysv/linux/arm/eabi/sysdep.h Normal file
View File

@ -0,0 +1,72 @@
/* Copyright (C) 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Daniel Jacobowitz <dan@codesourcery.com>, Oct 2005.
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. */
#ifndef _LINUX_ARM_EABI_SYSDEP_H
#define _LINUX_ARM_EABI_SYSDEP_H 1
#include <arm/sysdep.h>
#if __NR_SYSCALL_BASE != 0
# error Kernel headers are too old
#endif
/* The ARM EABI user interface passes the syscall number in r7, instead
of in the swi. This is more efficient, because the kernel does not need
to fetch the swi from memory to find out the number; which can be painful
with separate I-cache and D-cache. Make sure to use 0 for the SWI
argument; otherwise the (optional) compatibility code for APCS binaries
may be invoked. */
#undef INTERNAL_SYSCALL_RAW
#define INTERNAL_SYSCALL_RAW(name, err, nr, args...) \
({ \
register int _a1 asm ("r0"), _nr asm ("r7"); \
LOAD_ARGS_##nr (args) \
_nr = name; \
asm volatile ("swi 0x0 @ syscall " #name \
: "=r" (_a1) \
: "r" (_nr) ASM_ARGS_##nr \
: "memory"); \
_a1; })
/* We must save and restore r7 (call-saved) for the syscall number.
We never make function calls from inside here (only potentially
signal handlers), so we do not bother with doubleword alignment.
Just like the APCS syscall convention, the EABI syscall convention uses
r0 through r6 for up to seven syscall arguments. None are ever passed to
the kernel on the stack, although incoming arguments are on the stack for
syscalls with five or more arguments.
The assembler will convert the literal pool load to a move for most
syscalls. */
#undef DO_CALL
#define DO_CALL(syscall_name, args) \
DOARGS_##args \
mov ip, r7; \
ldr r7, =SYS_ify (syscall_name); \
swi 0x0; \
mov r7, ip; \
UNDOARGS_##args
#endif /* _LINUX_ARM_EABI_SYSDEP_H */

75
sysdeps/unix/sysv/linux/arm/eabi/truncate64.c Normal file
View File

@ -0,0 +1,75 @@
/* Copyright (C) 1997-2000, 2003, 2004, 2005 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. */
#include <sys/types.h>
#include <endian.h>
#include <errno.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.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;
#endif
/* Truncate the file FD refers to to LENGTH bytes. */
int
truncate64 (const char *path, off64_t length)
{
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (! __have_no_truncate64)
#endif
{
unsigned int low = length & 0xffffffff;
unsigned int high = length >> 32;
#ifndef __ASSUME_TRUNCATE64_SYSCALL
int saved_errno = errno;
#endif
int result = INLINE_SYSCALL (truncate64, 4, CHECK_STRING (path), 0,
__LONG_LONG_PAIR (high, low));
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (result != -1 || errno != ENOSYS)
#endif
return result;
#ifndef __ASSUME_TRUNCATE64_SYSCALL
__set_errno (saved_errno);
__have_no_truncate64 = 1;
#endif
}
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if ((off_t) length != length)
{
__set_errno (EINVAL);
return -1;
}
return __truncate (path, (off_t) length);
#endif
}
#else
/* Use the generic implementation. */
# include <sysdeps/generic/truncate64.c>
#endif

103
sysdeps/unix/sysv/linux/arm/eabi/xstat64.c
View File

@ -1,103 +0,0 @@
/* xstat64 using old-style Unix stat system call.
Copyright (C) 1991, 1995-2002, 2003, 2005 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. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.h>
#endif
#ifdef __NR_stat64
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls.
This is the definition. */
int __have_no_stat64;
# endif
#endif
/* Get information about the file NAME in BUF. */
int
___xstat64 (int vers, const char *name, struct stat64 *buf)
{
int result;
struct kernel_stat64 kbuf64;
#if __ASSUME_STAT64_SYSCALL > 0
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# if defined __NR_stat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (&kbuf64));
if (result != -1 || errno != ENOSYS)
{
if (result == 0)
result = __xstat64_kernel64_conv (vers, &kbuf64, buf);
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = __xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
versioned_symbol (libc, ___xstat64, __xstat64, GLIBC_2_2);
strong_alias (___xstat64, __old__xstat64)
compat_symbol (libc, __old__xstat64, __xstat64, GLIBC_2_1);
hidden_ver (___xstat64, __xstat64)
#else
strong_alias (___xstat64, __xstat64)
hidden_def (__xstat64)
#endif

341
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.c
View File

@ -1,341 +0,0 @@
/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991,1995-1997,2000,2002,2003 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
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. */
#include <errno.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#ifdef STAT_IS_KERNEL_STAT
/* Dummy. */
struct kernel_stat;
#else
#include <string.h>
#if !defined __ASSUME_STAT64_SYSCALL || defined XSTAT_IS_XSTAT64
int
__xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
switch (vers)
{
case _STAT_VER_KERNEL:
/* Nothing to do. The struct is in the form the kernel expects.
We should have short-circuted before we got here, but for
completeness... */
*(struct kernel_stat *) ubuf = *kbuf;
break;
case _STAT_VER_LINUX:
{
struct stat *buf = ubuf;
/* Convert to current kernel version of `struct stat'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT___PAD1
buf->__pad1 = 0;
#endif
buf->st_ino = kbuf->st_ino;
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
#endif
int
__xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
#ifdef XSTAT_IS_XSTAT64
return __xstat_conv (vers, kbuf, ubuf);
#else
switch (vers)
{
case _STAT_VER_LINUX:
{
struct stat64 *buf = ubuf;
/* Convert to current kernel version of `struct stat64'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT64___PAD1
buf->__pad1 = 0;
#endif
buf->st_ino = kbuf->st_ino;
#ifdef _HAVE_STAT64___ST_INO
buf->__st_ino = kbuf->st_ino;
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT64___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT64_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT64___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT64___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
#endif
}
int
__xstat32_conv (int vers, void *kbuf_, struct stat *buf)
{
struct kernel_stat64 *kbuf = kbuf_;
switch (vers)
{
case _STAT_VER_LINUX:
{
/* Convert current kernel version of `struct stat64' to
`struct stat'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT___PAD1
buf->__pad1 = 0;
#endif
#ifdef _HAVE_STAT64___ST_INO
# if __ASSUME_ST_INO_64_BIT == 0
if (kbuf->st_ino == 0)
buf->st_ino = kbuf->__st_ino;
else
# endif
{
buf->st_ino = kbuf->st_ino;
if (sizeof (buf->st_ino) != sizeof (kbuf->st_ino)
&& buf->st_ino != kbuf->st_ino)
{
__set_errno (EOVERFLOW);
return -1;
}
}
#else
buf->st_ino = kbuf->st_ino;
if (sizeof (buf->st_ino) != sizeof (kbuf->st_ino)
&& buf->st_ino != kbuf->st_ino)
{
__set_errno (EOVERFLOW);
return -1;
}
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT___PAD2
buf->__pad2 = 0;
#endif
buf->st_size = kbuf->st_size;
/* Check for overflow. */
if (sizeof (buf->st_size) != sizeof (kbuf->st_size)
&& buf->st_size != kbuf->st_size)
{
__set_errno (EOVERFLOW);
return -1;
}
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
/* Check for overflow. */
if (sizeof (buf->st_blocks) != sizeof (kbuf->st_blocks)
&& buf->st_blocks != kbuf->st_blocks)
{
__set_errno (EOVERFLOW);
return -1;
}
#ifdef _HAVE_STAT_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
#ifdef _HAVE_STAT___UNUSED1
buf->__unused1 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED2
buf->__unused2 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED3
buf->__unused3 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED4
buf->__unused4 = 0;
#endif
#ifdef _HAVE_STAT___UNUSED5
buf->__unused5 = 0;
#endif
}
break;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
int
__xstat64_kernel64_conv (int vers, void *kbuf_, struct stat64 *buf)
{
struct kernel_stat64 *kbuf = kbuf_;
switch (vers)
{
case _STAT_VER_LINUX:
{
/* Convert current kernel version of `struct stat64' to
user version of `struct stat64'. */
buf->st_dev = kbuf->st_dev;
#ifdef _HAVE_STAT64___PAD1
buf->__pad1 = kbuf->__pad1;
#endif
#ifdef _HAVE_STAT64___ST_INO
buf->__st_ino = kbuf->__st_ino;
#endif
buf->st_mode = kbuf->st_mode;
buf->st_nlink = kbuf->st_nlink;
buf->st_uid = kbuf->st_uid;
buf->st_gid = kbuf->st_gid;
buf->st_rdev = kbuf->st_rdev;
#ifdef _HAVE_STAT64___PAD2
buf->__pad2 = kbuf->__pad2;
#endif
buf->st_size = kbuf->st_size;
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
#ifdef _HAVE_STAT64_NSEC
buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
#else
buf->st_atime = kbuf->st_atime;
buf->st_mtime = kbuf->st_mtime;
buf->st_ctime = kbuf->st_ctime;
#endif
buf->st_ino = kbuf->st_ino;
}
break;
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}
#endif

28
sysdeps/unix/sysv/linux/arm/eabi/xstatconv.h
View File

@ -1,28 +0,0 @@
/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991,1995-1997,2000,2002,2003 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
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. */
#include "kernel-features.h"
#ifndef STAT_IS_KERNEL_STAT
extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
#endif
extern int __xstat32_conv (int vers, void *kbuf, struct stat *buf);
extern int __xstat64_kernel64_conv (int vers, struct kernel_stat64 *kbuf,
struct stat64 *buf);

26
sysdeps/unix/sysv/linux/arm/linuxthreads/sysdep-cancel.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2003 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Phil Blundell <pb@nexus.co.uk>, 2003.
@ -46,7 +46,7 @@
.section ".text"; \
PSEUDO_PROLOGUE; \
ENTRY (name); \
SINGLE_THREAD_P_INT; \
SINGLE_THREAD_P; \
bne .Lpseudo_cancel; \
DO_CALL (syscall_name, args); \
cmn r0, $4096; \
@ -104,11 +104,10 @@ extern int __local_multiple_threads attribute_hidden;
# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
# else
# if !defined PIC
# define SINGLE_THREAD_P_INT \
# define SINGLE_THREAD_P \
ldr ip, =__local_multiple_threads; \
ldr ip, [ip]; \
teq ip, #0;
# define SINGLE_THREAD_P SINGLE_THREAD_P_INT
# define MAYBE_SAVE_LR \
str lr, [sp, $-4]!;
# define PSEUDO_RET_MOV \
@ -116,22 +115,13 @@ extern int __local_multiple_threads attribute_hidden;
b PLTJMP(SYSCALL_ERROR)
# define PSEUDO_PROLOGUE
# else
# define SINGLE_THREAD_P_PIC(reg) \
ldr ip, 1b; \
ldr reg, 2b; \
3: \
add ip, pc, ip; \
ldr ip, [ip, reg]; \
teq ip, #0;
# define SINGLE_THREAD_P_INT \
str lr, [sp, $-4]!; \
SINGLE_THREAD_P_PIC(lr)
# define SINGLE_THREAD_P \
SINGLE_THREAD_P_INT; \
ldr lr, [sp], $4
ldr ip, 1b; \
2: \
ldr ip, [pc, ip]; \
teq ip, #0;
# define PSEUDO_PROLOGUE \
1: .word _GLOBAL_OFFSET_TABLE_ - 3f - 8; \
2: .word __local_multiple_threads(GOTOFF);
1: .word __local_multiple_threads - 2f - 8;
# define MAYBE_SAVE_LR /* lr already saved */
# define PSEUDO_RET_MOV PSEUDO_RET
# endif

8
sysdeps/unix/sysv/linux/arm/linuxthreads/vfork.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>.
@ -27,8 +27,6 @@
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
PSEUDO_PROLOGUE
ENTRY (__vfork)
#ifdef __NR_vfork
@ -44,7 +42,7 @@ ENTRY (__vfork)
movs r0, r0
bne HIDDEN_JUMPTARGET (__fork)
swi __NR_vfork
DO_CALL (vfork, 0)
cmn a1, #4096
RETINSTR(cc, lr)
@ -58,7 +56,7 @@ ENTRY (__vfork)
#ifndef __ASSUME_VFORK_SYSCALL
/* If we don't have vfork, fork is close enough. */
swi __NR_fork
DO_CALL (fork, 0)
cmn a1, #4096
RETINSTR(cc, lr)
#elif !defined __NR_vfork

6
sysdeps/unix/sysv/linux/arm/mmap.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1998, 2000, 2003, 2005 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
@ -43,7 +43,7 @@ ENTRY (__mmap)
mov r5, r5, lsr #12
/* do the syscall */
swi SYS_ify (mmap2)
DO_CALL (mmap2, 0)
/* restore registers */
2:
@ -77,7 +77,7 @@ ENTRY (__mmap)
/* do the syscall */
mov a1, sp
swi SYS_ify (mmap)
DO_CALL (mmap, 0)
/* pop args off the stack. */
add sp, sp, #16

18
sysdeps/unix/sysv/linux/arm/mmap64.S
View File

@ -23,21 +23,13 @@
#include "kernel-features.h"
/* For the EABI, there are four extra bytes of padding in the
incoming arguments to mmap64, to preserve alignment. */
#ifdef __ARM_EABI__
# define INITIAL_OFFSET 8
#else
# define INITIAL_OFFSET 4
#endif
#ifdef __ARMEB__
# define LOW_OFFSET INITIAL_OFFSET + 4
# define LOW_OFFSET 4 + 4
/* The initial + 4 is for the stack postdecrement. */
# define HIGH_OFFSET 4 + INITIAL_OFFSET + 0
# define HIGH_OFFSET 4 + 4 + 0
#else
# define LOW_OFFSET INITIAL_OFFSET + 0
# define HIGH_OFFSET 4 + INITIAL_OFFSET + 4
# define LOW_OFFSET 4 + 0
# define HIGH_OFFSET 4 + 4 + 4
#endif
/* The mmap2 system call takes six arguments, all in registers. */
@ -55,7 +47,7 @@ ENTRY (__mmap64)
ldr r4, [sp, $8] @ load fd
orr r5, ip, r5, lsl $20 @ compose page offset
mov ip, r0
swi SYS_ify (mmap2)
DO_CALL (mmap2, 0)
cmn r0, $4096
# ifdef __ASSUME_MMAP2_SYSCALL
ldr r4, [sp], #4

4
sysdeps/unix/sysv/linux/arm/socket.S
View File

@ -79,11 +79,7 @@ ENTRY (__socket)
P(PUSHARGS_,NARGS)
#if defined NEED_CANCELLATION && defined CENABLE
#ifdef PIC
SINGLE_THREAD_P_PIC(r3)
#else
SINGLE_THREAD_P
#endif
bne 1f
#endif

6
sysdeps/unix/sysv/linux/arm/vfork.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>.
@ -30,7 +30,7 @@
ENTRY (__vfork)
#ifdef __NR_vfork
swi __NR_vfork
DO_CALL (vfork, 0)
cmn a1, #4096
RETINSTR(cc, lr)
@ -45,7 +45,7 @@ ENTRY (__vfork)
#ifndef __ASSUME_VFORK_SYSCALL
/* If we don't have vfork, fork is close enough. */
swi __NR_fork
DO_CALL (fork, 0)
cmn a1, #4096
RETINSTR(cc, lr)
b PLTJMP(C_SYMBOL_NAME(__syscall_error))