2011-03-21 Ulrich Weigand <ulrich.weigand@linaro.org>
+ * sysdeps/arm/linuxthreads: Remove directory.
+ * sysdeps/unix/sysv/linux/arm/linuxthreads: Likewise.
+ * sysdeps/unix/sysv/linux/arm/eabi/linuxthreads: Likewise.
+
+2011-03-21 Ulrich Weigand <ulrich.weigand@linaro.org>
+
* sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h (PSEUDO): Add
missing "cmn r0, $4096" for _nocancel system call stubs.
+++ /dev/null
-/* POSIX spinlock implementation. Arm version.
- Copyright (C) 2000 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; 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 <errno.h>
-#include <pthread.h>
-#include "internals.h"
-
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
- unsigned int val;
-
- do
- asm volatile ("swp %0, %1, [%2]"
- : "=r" (val)
- : "0" (1), "r" (lock)
- : "memory");
- while (val != 0);
-
- return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
- unsigned int val;
-
- asm volatile ("swp %0, %1, [%2]"
- : "=r" (val)
- : "0" (1), "r" (lock)
- : "memory");
-
- return val ? EBUSY : 0;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
- return *lock = 0;
-}
-weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
-
-
-int
-__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
- /* We can ignore the `pshared' parameter. Since we are busy-waiting
- all processes which can access the memory location `lock' points
- to can use the spinlock. */
- return *lock = 0;
-}
-weak_alias (__pthread_spin_init, pthread_spin_init)
-
-
-int
-__pthread_spin_destroy (pthread_spinlock_t *lock)
-{
- /* Nothing to do. */
- return 0;
-}
-weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
+++ /dev/null
-/* Machine-dependent pthreads configuration and inline functions.
- ARM version.
- Copyright (C) 1997, 1998, 2000, 2002, 2003 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 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; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H 1
-
-#ifndef PT_EI
-# define PT_EI extern inline __attribute__ ((always_inline))
-#endif
-
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
-/* This will not work on ARM1 or ARM2 because SWP is lacking on those
- machines. Unfortunately we have no way to detect this at compile
- time; let's hope nobody tries to use one. */
-
-/* Spinlock implementation; required. */
-PT_EI long int
-testandset (int *spinlock)
-{
- register unsigned int ret;
-
- __asm__ __volatile__("swp %0, %1, [%2]"
- : "=r"(ret)
- : "0"(1), "r"(spinlock));
-
- return ret;
-}
-
-
-/* Get some notion of the current stack. Need not be exactly the top
- of the stack, just something somewhere in the current frame. */
-#define CURRENT_STACK_FRAME stack_pointer
-register char * stack_pointer __asm__ ("sp");
-
-#endif /* pt-machine.h */
+++ /dev/null
-/* Definitions for thread-local data handling. linuxthreads/ARM version.
- Copyright (C) 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. */
-
-#ifndef _TLS_H
-#define _TLS_H
-
-#ifndef __ASSEMBLER__
-
-# include <stdbool.h>
-# include <pt-machine.h>
-# include <stddef.h>
-
-/* Type for the dtv. */
-typedef union dtv
-{
- size_t counter;
- struct
- {
- void *val;
- bool is_static;
- } pointer;
-} dtv_t;
-
-typedef struct
-{
- dtv_t *dtv;
-
- /* Reserved for the thread implementation. Unused in LinuxThreads. */
- void *private;
-} tcbhead_t;
-#endif
-
-
-/* We can support TLS only if the floating-stack support is available.
- However, we want to compile in the support and test at runtime whether
- the running kernel can support it or not. To avoid bothering with the
- TLS support code at all, use configure --without-tls.
-
- We need USE_TLS to be consistently defined, for ldsodefs.h conditionals.
- But some of the code below can cause problems in building libpthread
- (e.g. useldt.h will defined FLOATING_STACKS when it shouldn't). */
-
-/* LinuxThreads can only support TLS if both floating stacks and support
- from the tools are available.
-
- We have to define USE_TLS consistently, or ldsodefs.h will lay out types
- differently between an NPTL build and a LinuxThreads build. It can be set
- for libc.so and not libpthread.so, but only if we provide appropriate padding
- in the _pthread_descr_struct.
-
- Currently nothing defines FLOATING_STACKS. We could assume this based on
- kernel version once the TLS patches are available in kernel.org.
-
- To avoid bothering with the TLS support code at all, use configure
- --without-tls. */
-
-#if defined HAVE_TLS_SUPPORT \
- && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
-
-/* Signal that TLS support is available. */
-# define USE_TLS 1
-
-/* Include padding in _pthread_descr_struct so that libc can find p_errno,
- if libpthread will only include the padding because of the !IS_IN_libpthread
- check. */
-#ifndef FLOATING_STACKS
-# define INCLUDE_TLS_PADDING 1
-#endif
-
-# ifndef __ASSEMBLER__
-/* Get system call information. */
-# include <sysdep.h>
-
-/* This is the size of the initial TCB. */
-# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
-
-/* Alignment requirements for the initial TCB. */
-# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
-
-/* This is the size of the TCB. */
-# define TLS_TCB_SIZE sizeof (tcbhead_t)
-
-/* Alignment requirements for the TCB. */
-# define TLS_TCB_ALIGN __alignof__ (tcbhead_t)
-
-/* This is the size we need before TCB. */
-# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
-
-/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
-# define TLS_DTV_AT_TP 1
-
-/* Install the dtv pointer. The pointer passed is to the element with
- index -1 which contain the length. */
-# define INSTALL_DTV(TCBP, DTVP) \
- (((tcbhead_t *) (TCBP))->dtv = (DTVP) + 1)
-
-/* Install new dtv for current thread. */
-# define INSTALL_NEW_DTV(DTV) \
- (((tcbhead_t *)__builtin_thread_pointer ())->dtv = (DTV))
-
-/* Return dtv of given thread descriptor. */
-# define GET_DTV(TCBP) \
- (((tcbhead_t *) (TCBP))->dtv)
-
-/* Code to initially initialize the thread pointer. This might need
- special attention since 'errno' is not yet available and if the
- operation can cause a failure 'errno' must not be touched. */
-# define TLS_INIT_TP(TCBP, SECONDCALL) \
- ({ INTERNAL_SYSCALL_DECL (err); \
- long result_var; \
- result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (TCBP)); \
- INTERNAL_SYSCALL_ERROR_P (result_var, err) \
- ? "unknown error" : NULL; })
-
-/* Return the address of the dtv for the current thread. */
-# define THREAD_DTV() \
- (((tcbhead_t *)__builtin_thread_pointer ())->dtv)
-
-/* Return the thread descriptor for the current thread. */
-# undef THREAD_SELF
-# define THREAD_SELF \
- ((pthread_descr)__builtin_thread_pointer () - 1)
-
-# undef INIT_THREAD_SELF
-# define INIT_THREAD_SELF(DESCR, NR) \
- TLS_INIT_TP ((struct _pthread_descr_struct *)(DESCR) + 1, 0)
-
-/* Get the thread descriptor definition. */
-# include <linuxthreads/descr.h>
-
-/* ??? Generic bits of LinuxThreads may call these macros with
- DESCR set to NULL. We are expected to be able to reference
- the "current" value.
-
- In our case, we'd really prefer to use DESCR, since lots of
- PAL_code calls would be expensive. We can only trust that
- the compiler does its job and unifies the multiple
- __builtin_thread_pointer instances. */
-
-#define THREAD_GETMEM(descr, member) \
- ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_GETMEM_NC(descr, member) \
- ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_SETMEM(descr, member, value) \
- ((void) sizeof (descr), THREAD_SELF->member = (value))
-#define THREAD_SETMEM_NC(descr, member, value) \
- ((void) sizeof (descr), THREAD_SELF->member = (value))
-
-/* Initializing the thread pointer will generate a SIGILL if the syscall
- is not available. */
-#define TLS_INIT_TP_EXPENSIVE 1
-
-# endif /* HAVE_TLS_SUPPORT */
-#endif /* __ASSEMBLER__ */
-
-#endif /* tls.h */
+++ /dev/null
-/* 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, eight bytes for
- six arguments, and nothing for fewer. 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}
-
-# define DOCARGS_6 stmfd sp!, {r0, r1, r2, r3, r7, lr}
-# define UNDOCARGS_6 ldmfd sp!, {r0, r1, r2, r3}
-# define RESTORE_LR_6 RESTORE_LR_0
-
-# 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
+++ /dev/null
-#include <linuxthreads/sysdeps/unix/sysv/linux/fork.c>
+++ /dev/null
-/* 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.
-
- 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
-
-/* We push lr onto the stack, so we have to use ldmib instead of ldmia
- to find the saved arguments. */
-# ifdef PIC
-# undef DOARGS_5
-# undef DOARGS_6
-# undef DOARGS_7
-# define DOARGS_5 str r4, [sp, $-4]!; ldr r4, [sp, $8];
-# define DOARGS_6 mov ip, sp; stmfd sp!, {r4, r5}; ldmib ip, {r4, r5};
-# define DOARGS_7 mov ip, sp; stmfd sp!, {r4, r5, r6}; ldmib ip, {r4, r5, r6};
-# endif
-
-# undef PSEUDO_RET
-# define PSEUDO_RET \
- ldrcc pc, [sp], $4; \
- ldr lr, [sp], $4; \
- b PLTJMP(SYSCALL_ERROR)
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .section ".text"; \
- PSEUDO_PROLOGUE; \
- ENTRY (name); \
- SINGLE_THREAD_P; \
- bne .Lpseudo_cancel; \
- DO_CALL (syscall_name, args); \
- cmn r0, $4096; \
- RETINSTR(cc, lr); \
- b PLTJMP(SYSCALL_ERROR); \
- .Lpseudo_cancel: \
- str lr, [sp, $-4]!; \
- DOCARGS_##args; /* save syscall args around CENABLE. */ \
- CENABLE; \
- mov ip, r0; /* put mask in safe place. */ \
- UNDOCARGS_##args; /* restore syscall args. */ \
- swi SYS_ify (syscall_name); /* do the call. */ \
- str r0, [sp, $-4]!; /* save syscall return value. */ \
- mov r0, ip; /* get mask back. */ \
- CDISABLE; \
- ldr r0, [sp], $4; /* retrieve return value. */ \
- UNDOC2ARGS_##args; /* fix register damage. */ \
- cmn r0, $4096;
-
-# define DOCARGS_0
-# define UNDOCARGS_0
-# define UNDOC2ARGS_0
-
-# define DOCARGS_1 str r0, [sp, #-4]!;
-# define UNDOCARGS_1 ldr r0, [sp], #4;
-# define UNDOC2ARGS_1
-
-# define DOCARGS_2 str r1, [sp, #-4]!; str r0, [sp, #-4]!;
-# define UNDOCARGS_2 ldr r0, [sp], #4; ldr r1, [sp], #4;
-# define UNDOC2ARGS_2
-
-# define DOCARGS_3 str r2, [sp, #-4]!; str r1, [sp, #-4]!; str r0, [sp, #-4]!;
-# define UNDOCARGS_3 ldr r0, [sp], #4; ldr r1, [sp], #4; ldr r2, [sp], #4
-# define UNDOC2ARGS_3
-
-# define DOCARGS_4 stmfd sp!, {r0-r3}
-# define UNDOCARGS_4 ldmfd sp!, {r0-r3}
-# define UNDOC2ARGS_4
-
-# define DOCARGS_5 stmfd sp!, {r0-r3}
-# define UNDOCARGS_5 ldmfd sp, {r0-r3}; str r4, [sp, #-4]!; ldr r4, [sp, #24]
-# define UNDOC2ARGS_5 ldr r4, [sp], #20
-
-# 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
-# if !defined PIC
-# define SINGLE_THREAD_P \
- ldr ip, =__local_multiple_threads; \
- ldr ip, [ip]; \
- teq ip, #0;
-# define PSEUDO_PROLOGUE
-# 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
-# endif
-
-#elif !defined __ASSEMBLER__
-
-/* This code should never be used but we define it anyhow. */
-# define SINGLE_THREAD_P (1)
-
-#endif
+++ /dev/null
-/* 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>.
-
- 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>
-#define _ERRNO_H 1
-#include <bits/errno.h>
-#include <kernel-features.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
-
-#ifdef SHARED
- ldr ip, 1f
- ldr r0, 2f
-3: add ip, pc, ip
- ldr r0, [ip, r0]
-#else
- ldr r0, 1f
-#endif
- movs r0, r0
- bne HIDDEN_JUMPTARGET (__fork)
-
- DO_CALL (vfork, 0)
- cmn a1, #4096
- RETINSTR(cc, lr)
-
-#ifndef __ASSUME_VFORK_SYSCALL
- /* Check if vfork syscall is known at all. */
- cmn a1, #ENOSYS
- bne PLTJMP(C_SYMBOL_NAME(__syscall_error))
-#endif
-
-#endif
-
-#ifndef __ASSUME_VFORK_SYSCALL
- /* If we don't have vfork, fork is close enough. */
- DO_CALL (fork, 0)
- cmn a1, #4096
- RETINSTR(cc, lr)
-#elif !defined __NR_vfork
-# error "__NR_vfork not available and __ASSUME_VFORK_SYSCALL defined"
-#endif
- b PLTJMP(C_SYMBOL_NAME(__syscall_error))
-
-#ifdef SHARED
-1: .word _GLOBAL_OFFSET_TABLE_ - 3b - 8
-2: .word __libc_pthread_functions(GOTOFF)
-#else
- .weak pthread_create
-1: .word pthread_create
-#endif
-
-PSEUDO_END (__vfork)
-libc_hidden_def (__vfork)
-
-weak_alias (__vfork, vfork)