mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
02a9f771e3
include guards. * sysdeps/unix/arm/sysdep.S (syscall_error): Handle USE___THREAD and RTLD_PRIVATE_ERRNO. * sysdeps/unix/sysv/linux/arm/clone.S (__clone): Handle RESET_PID. Handle new arguments. * sysdeps/unix/sysv/linux/arm/vfork.S (__vfork): Use SAVE_PID and RESTORE_PID. Use the right syscall error handler. * sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S (__default_sa_restorer, __default_rt_sa_restorer): Add unwind information. * sysdeps/unix/sysv/linux/arm/eabi/socket.S: Update formatting. Add unwind information. Correct stack alignment typo. * sysdeps/unix/sysv/linux/arm/eabi/sysdep.h (INTERNAL_SYSCALL_NCS): Define. * sysdeps/unix/sysv/linux/arm/sigaction.c (__libc_sigaction): Remove never-valid handling for SA_ONSTACK. * sysdeps/unix/sysv/linux/arm/socket.S: Whitespace cleanup. * sysdeps/unix/sysv/linux/arm/sysdep.h (SYSCALL_ERROR_HANDLER): Handle RTLD_PRIVATE_ERRNO. (INTERNAL_SYSCALL_NCS): Implement. * sysdeps/arm/nptl/Makefile, sysdeps/arm/nptl/jmpbuf-unwind.h, sysdeps/arm/nptl/pthread_spin_lock.S, sysdeps/arm/nptl/pthread_spin_trylock.S, sysdeps/arm/nptl/pthreaddef.h, sysdeps/arm/nptl/tcb-offsets.sym, sysdeps/arm/nptl/tls.h, sysdeps/unix/sysv/linux/arm/eabi/Makefile, sysdeps/unix/sysv/linux/arm/eabi/nptl/Makefile, sysdeps/unix/sysv/linux/arm/eabi/nptl/configure, sysdeps/unix/sysv/linux/arm/eabi/nptl/configure.in, sysdeps/unix/sysv/linux/arm/eabi/nptl/nptl-aeabi_unwind_cpp_pr1.c, sysdeps/unix/sysv/linux/arm/eabi/nptl/rt-aeabi_unwind_cpp_pr1.c, sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h, sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c, sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-resume.c, sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind.h, sysdeps/unix/sysv/linux/arm/nptl/Versions, sysdeps/unix/sysv/linux/arm/nptl/bits/atomic.h, sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h, sysdeps/unix/sysv/linux/arm/nptl/clone.S, sysdeps/unix/sysv/linux/arm/nptl/createthread.c, sysdeps/unix/sysv/linux/arm/nptl/fork.c, sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c, sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h, sysdeps/unix/sysv/linux/arm/nptl/pt-vfork.S, sysdeps/unix/sysv/linux/arm/nptl/pthread_once.c, sysdeps/unix/sysv/linux/arm/nptl/vfork.S: New files.
99 lines
2.4 KiB
ArmAsm
99 lines
2.4 KiB
ArmAsm
/* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 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
|
|
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 _ERRNO_H
|
|
#include <bits/errno.h>
|
|
|
|
#ifdef IS_IN_rtld
|
|
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
|
|
#endif
|
|
|
|
#include <tls.h>
|
|
|
|
#undef syscall_error
|
|
#ifdef NO_UNDERSCORES
|
|
__syscall_error:
|
|
#else
|
|
syscall_error:
|
|
#endif
|
|
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
|
|
/* We translate the system's EWOULDBLOCK error into EAGAIN.
|
|
The GNU C library always defines EWOULDBLOCK==EAGAIN.
|
|
EWOULDBLOCK_sys is the original number. */
|
|
cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
|
|
moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
|
|
#endif
|
|
|
|
#if USE___THREAD
|
|
mov ip, lr
|
|
mov r1, r0
|
|
|
|
mov r0, #0xffff0fff
|
|
mov lr, pc
|
|
sub pc, r0, #31
|
|
|
|
ldr r2, 1f
|
|
2: ldr r2, [pc, r2]
|
|
str r1, [r0, r2]
|
|
mvn r0, #0
|
|
RETINSTR (, ip)
|
|
|
|
1: .word errno(gottpoff) + (. - 2b - 8)
|
|
#elif RTLD_PRIVATE_ERRNO
|
|
ldr r1, 1f
|
|
0: str r0, [pc, r1]
|
|
mvn r0, $0
|
|
DO_RET(r14)
|
|
|
|
1: .word C_SYMBOL_NAME(rtld_errno) - 0b - 8
|
|
#elif defined(_LIBC_REENTRANT)
|
|
str lr, [sp, #-4]!
|
|
str r0, [sp, #-4]!
|
|
bl PLTJMP(C_SYMBOL_NAME(__errno_location))
|
|
ldr r1, [sp], #4
|
|
str r1, [r0]
|
|
mvn r0, $0
|
|
ldr pc, [sp], #4
|
|
#else
|
|
#ifndef PIC
|
|
ldr r1, 1f
|
|
str r0, [r1]
|
|
mvn r0, $0
|
|
DO_RET (r14)
|
|
|
|
1: .long C_SYMBOL_NAME(errno)
|
|
#else
|
|
@ we have to establish our PIC register
|
|
ldr r2, 1f
|
|
ldr r1, 2f
|
|
0: add r2, pc, r2
|
|
str r0, [r1, r2]
|
|
mvn r0, $0
|
|
DO_RET (r14)
|
|
|
|
1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 8
|
|
2: .word C_SYMBOL_NAME(errno)(GOTOFF)
|
|
#endif
|
|
#endif
|
|
|
|
#undef __syscall_error
|
|
END (__syscall_error)
|