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1999-04-12  Philip Blundell  <philb@gnu.org>

	* elf/elf.h: Update ARM definitions to match current gas2.

	* sysdeps/arm/bits/endian.h: Support big endian operation.

	* sysdeps/unix/sysv/linux/arm/ioperm.c (_outw, _outb, _outl):
	Don't bother range checking the port number.

	* sysdeps/unix/sysv/linux/arm/vfork.S: New file.

	* sysdeps/unix/sysv/linux/arm/sysdep.h (INLINE_SYSCALL): Include
	the syscall name in assembler output for ease of debugging.

	* sysdeps/unix/sysv/linux/arm/sigaction.c: Don't rely on undefined
	compiler behaviour.
	* sysdeps/unix/sysv/linux/arm/sigrestorer.S: New file.
	* sysdeps/unix/sysv/linux/arm/Makefile [$(subdir) = signal]
	(sysdep_routines): Add sigrestorer.

	* string/tester.c (test_strcpy): Add new tests for unaligned
	arguments.
	* sysdeps/arm/bits/string.h: Delete inline implementations of
	strcpy and stpcpy.
This commit is contained in:
Ulrich Drepper
1999-04-12 09:05:16 +00:00
parent eb822fcf6f
commit a64e578b6f
11 changed files with 149 additions and 160 deletions
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50
sysdeps/unix/sysv/linux/arm/vfork.S Normal file
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/* Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
/* Clone the calling process, but without copying the whole address space.
The calling process is suspended until the new process exits or is
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. */
ENTRY (__vfork)
#ifdef __NR_vfork
swi __NR_vfork
cmn a1, #4096
RETINSTR(movcc, pc, lr)
/* Check if vfork syscall is known at all. */
ldr a2, =-ENOSYS
teq a1, a2
bne PLTJMP(C_SYMBOL_NAME(__syscall_error))
#endif
/* If we don't have vfork, fork is close enough. */
swi __NR_fork
cmn a1, #4096
RETINSTR(movcc, pc, lr)
b PLTJMP(C_SYMBOL_NAME(__syscall_error))
PSEUDO_END (__vfork)
weak_alias (__vfork, vfork)