cleanup ppc port

Remove powerpc64 bits as we only support powerpc32.

libc/sysdeps/linux/powerpc/bits/syscalls.h

@@ -137,7 +137,8 @@
    "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal
    an error return status).  */
 
-# define INTERNAL_SYSCALL_DECL(err) long int err
+# undef INTERNAL_SYSCALL_DECL
+# define INTERNAL_SYSCALL_DECL(err) long int err __attribute__((unused))
 
 # define INTERNAL_SYSCALL_NCS(name, err, nr, args...)			\
 (__extension__ \

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/clone.S

@@ -1,5 +1,9 @@
-#if defined __powerpc64__
-# include "powerpc64/clone.S"
+/* We want an #include_next, but we are the main source file.
+   So, #include ourselves and in that incarnation we can use #include_next.  */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
 #else
-# include "powerpc32/clone.S"
+# define RESET_PID
+# include_next <clone.S>
 #endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S

@@ -1,9 +0,0 @@
-/* We want an #include_next, but we are the main source file.
-   So, #include ourselves and in that incarnation we can use #include_next.  */
-#ifndef INCLUDED_SELF
-# define INCLUDED_SELF
-# include <clone.S>
-#else
-# define RESET_PID
-# include_next <clone.S>
-#endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h

@@ -1,118 +0,0 @@
-/* Cancellable system call stubs.  Linux/PowerPC version.
-   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <tls.h>
-#ifndef __ASSEMBLER__
-# include <pthreadP.h>
-#endif
-
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args)				\
-  .section ".text";							\
-  ENTRY (name)								\
-    SINGLE_THREAD_P;							\
-    bne- .Lpseudo_cancel;						\
-  .type __##syscall_name##_nocancel,@function;				\
-  .globl __##syscall_name##_nocancel;					\
-  __##syscall_name##_nocancel:						\
-    DO_CALL (SYS_ify (syscall_name));					\
-    PSEUDO_RET;								\
-  .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	\
-  .Lpseudo_cancel:							\
-    stwu 1,-48(1);							\
-    cfi_adjust_cfa_offset (48);						\
-    mflr 9;								\
-    stw 9,52(1);							\
-    cfi_offset (lr, 4);							\
-    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
-    CENABLE;								\
-    stw 3,16(1);	/* store CENABLE return value (MASK).  */	\
-    UNDOCARGS_##args;	/* restore syscall args.  */			\
-    DO_CALL (SYS_ify (syscall_name));					\
-    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
-    stw 3,8(1);								\
-    stw 0,12(1);							\
-    lwz 3,16(1);	/* pass MASK to CDISABLE.  */			\
-    CDISABLE;								\
-    lwz 4,52(1);							\
-    lwz 0,12(1);	/* restore CR/R3. */				\
-    lwz 3,8(1);								\
-    mtlr 4;								\
-    mtcr 0;								\
-    addi 1,1,48;
-
-# define DOCARGS_0
-# define UNDOCARGS_0
-
-# define DOCARGS_1	stw 3,20(1); DOCARGS_0
-# define UNDOCARGS_1	lwz 3,20(1); UNDOCARGS_0
-
-# define DOCARGS_2	stw 4,24(1); DOCARGS_1
-# define UNDOCARGS_2	lwz 4,24(1); UNDOCARGS_1
-
-# define DOCARGS_3	stw 5,28(1); DOCARGS_2
-# define UNDOCARGS_3	lwz 5,28(1); UNDOCARGS_2
-
-# define DOCARGS_4	stw 6,32(1); DOCARGS_3
-# define UNDOCARGS_4	lwz 6,32(1); UNDOCARGS_3
-
-# define DOCARGS_5	stw 7,36(1); DOCARGS_4
-# define UNDOCARGS_5	lwz 7,36(1); UNDOCARGS_4
-
-# define DOCARGS_6	stw 8,40(1); DOCARGS_5
-# define UNDOCARGS_6	lwz 8,40(1); UNDOCARGS_5
-
-# ifdef IS_IN_libpthread
-#  define CENABLE	bl __pthread_enable_asynccancel@local
-#  define CDISABLE	bl __pthread_disable_asynccancel@local
-# elif !defined NOT_IN_libc
-#  define CENABLE	bl __libc_enable_asynccancel@local
-#  define CDISABLE	bl __libc_disable_asynccancel@local
-# elif defined IS_IN_librt
-#  define CENABLE	bl __librt_enable_asynccancel@local
-#  define CDISABLE	bl __librt_disable_asynccancel@local
-# else
-#  error Unsupported library
-# endif
-
-# ifndef __ASSEMBLER__
-#  define SINGLE_THREAD_P						\
-  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				\
-				   header.multiple_threads) == 0, 1)
-# else
-#  define SINGLE_THREAD_P						\
-  lwz 10,MULTIPLE_THREADS_OFFSET(2);					\
-  cmpwi 10,0
-# endif
-
-#elif !defined __ASSEMBLER__
-
-# define SINGLE_THREAD_P (1)
-# define NO_CANCELLATION 1
-
-#endif
-
-#ifndef __ASSEMBLER__
-# define RTLD_SINGLE_THREAD_P \
-  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
-				   header.multiple_threads) == 0, 1)
-#endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S

@@ -1,57 +0,0 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#define _ERRNO_H	1
-#include <bits/errno.h>
-#include <bits/kernel-features.h>
-#include <tcb-offsets.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)
-	lwz	0,PID(2)
-	cmpwi	0,0,0
-	neg	0,0
-	bne-	0,1f
-	lis	0,0x8000
-1:	stw	0,PID(2)
-
-	DO_CALL (SYS_ify (vfork))
-
-	cmpwi	1,3,0
-	beqlr-	1
-
-	lwz	0,PID(2)
-	/* Cannot use clrlwi. here, because cr0 needs to be preserved
-	   until PSEUDO_RET.  */
-	clrlwi	4,0,1
-	cmpwi	1,4,0
-	beq-	1,1f
-	neg	4,0
-1:	stw	4,PID(2)
-
-	PSEUDO_RET
-
-PSEUDO_END (__vfork)
-libc_hidden_def (__vfork)
-weak_alias (__vfork, vfork)
-libc_hidden_weak(vfork)

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S

@@ -1,9 +0,0 @@
-/* We want an #include_next, but we are the main source file.
-   So, #include ourselves and in that incarnation we can use #include_next.  */
-#ifndef INCLUDED_SELF
-# define INCLUDED_SELF
-# include <clone.S>
-#else
-# define RESET_PID
-# include_next <clone.S>
-#endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h

@@ -1,120 +0,0 @@
-/* Cancellable system call stubs.  Linux/PowerPC64 version.
-   Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <tls.h>
-#ifndef __ASSEMBLER__
-# include <pthreadP.h>
-#endif
-
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-# define DASHDASHPFX(str) __##str
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args)				\
-  .section ".text";							\
-  ENTRY (name)								\
-    SINGLE_THREAD_P;							\
-    bne- .Lpseudo_cancel;						\
-  .type DASHDASHPFX(syscall_name##_nocancel),@function;			\
-  .globl DASHDASHPFX(syscall_name##_nocancel);				\
-  DASHDASHPFX(syscall_name##_nocancel):					\
-    DO_CALL (SYS_ify (syscall_name));					\
-    PSEUDO_RET;								\
-  .size DASHDASHPFX(syscall_name##_nocancel),.-DASHDASHPFX(syscall_name##_nocancel);	\
-  .Lpseudo_cancel:							\
-    stdu 1,-128(1);							\
-    cfi_adjust_cfa_offset (128);					\
-    mflr 9;								\
-    std  9,128+16(1);							\
-    cfi_offset (lr, 16);						\
-    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
-    CENABLE;								\
-    std  3,72(1);	/* store CENABLE return value (MASK).  */	\
-    UNDOCARGS_##args;	/* restore syscall args.  */			\
-    DO_CALL (SYS_ify (syscall_name));					\
-    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
-    std  3,64(1);							\
-    std  0,8(1);							\
-    ld   3,72(1);	/* pass MASK to CDISABLE.  */			\
-    CDISABLE;								\
-    ld   9,128+16(1);							\
-    ld   0,8(1);	/* restore CR/R3. */				\
-    ld   3,64(1);							\
-    mtlr 9;								\
-    mtcr 0;								\
-    addi 1,1,128;
-
-# define DOCARGS_0
-# define UNDOCARGS_0
-
-# define DOCARGS_1	std 3,80(1); DOCARGS_0
-# define UNDOCARGS_1	ld 3,80(1); UNDOCARGS_0
-
-# define DOCARGS_2	std 4,88(1); DOCARGS_1
-# define UNDOCARGS_2	ld 4,88(1); UNDOCARGS_1
-
-# define DOCARGS_3	std 5,96(1); DOCARGS_2
-# define UNDOCARGS_3	ld 5,96(1); UNDOCARGS_2
-
-# define DOCARGS_4	std 6,104(1); DOCARGS_3
-# define UNDOCARGS_4	ld 6,104(1); UNDOCARGS_3
-
-# define DOCARGS_5	std 7,112(1); DOCARGS_4
-# define UNDOCARGS_5	ld 7,112(1); UNDOCARGS_4
-
-# define DOCARGS_6	std 8,120(1); DOCARGS_5
-# define UNDOCARGS_6	ld 8,120(1); UNDOCARGS_5
-
-# ifdef IS_IN_libpthread
-#  define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
-#  define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
-# elif !defined NOT_IN_libc
-#  define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
-#  define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
-# elif defined IS_IN_librt
-#  define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
-#  define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
-# else
-#  error Unsupported library
-# endif
-
-# ifndef __ASSEMBLER__
-#  define SINGLE_THREAD_P						\
-  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				\
-				   header.multiple_threads) == 0, 1)
-# else
-#   define SINGLE_THREAD_P						\
-  lwz   10,MULTIPLE_THREADS_OFFSET(13);				\
-  cmpwi 10,0
-# endif
-
-#elif !defined __ASSEMBLER__
-
-# define SINGLE_THREAD_P (1)
-# define NO_CANCELLATION 1
-
-#endif
-
-#ifndef __ASSEMBLER__
-# define RTLD_SINGLE_THREAD_P \
-  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
-				   header.multiple_threads) == 0, 1)
-#endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_create.c

@@ -1 +0,0 @@
-#include "../x86_64/timer_create.c"

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_delete.c

@@ -1 +0,0 @@
-#include "../x86_64/timer_delete.c"

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_getoverr.c

@@ -1 +0,0 @@
-#include "../x86_64/timer_getoverr.c"

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_gettime.c

@@ -1 +0,0 @@
-#include "../x86_64/timer_gettime.c"

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_settime.c

@@ -1 +0,0 @@
-#include "../x86_64/timer_settime.c"

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S

@@ -1,56 +0,0 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#define _ERRNO_H	1
-#include <bits/errno.h>
-#include <bits/kernel-features.h>
-#include <tcb-offsets.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)
-	lwz	0,PID(13)
-	cmpwi	0,0,0
-	neg	0,0
-	bne-	0,1f
-	lis	0,0x8000
-1:	stw	0,PID(13)
-
-	DO_CALL (SYS_ify (vfork))
-
-	cmpwi	1,3,0
-	beqlr-	1
-
-	lwz	0,PID(13)
-	clrlwi	4,0,1
-	cmpwi	1,4,0
-	beq-	1,1f
-	neg	4,0
-1:	stw	4,PID(13)
-
-	PSEUDO_RET
-
-PSEUDO_END (__vfork)
-libc_hidden_def (__vfork)
-weak_alias (__vfork, vfork)
-libc_hidden_weak(vfork)
-

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h

@@ -1,5 +1,118 @@
-#if defined(__powerpc64__)
-#include "powerpc64/sysdep-cancel.h"
-#else
-#include "powerpc32/sysdep-cancel.h"
+/* Cancellable system call stubs.  Linux/PowerPC version.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include <tls.h>
+#ifndef __ASSEMBLER__
+# include <pthreadP.h>
+#endif
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
+
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args)				\
+  .section ".text";							\
+  ENTRY (name)								\
+    SINGLE_THREAD_P;							\
+    bne- .Lpseudo_cancel;						\
+  .type __##syscall_name##_nocancel,@function;				\
+  .globl __##syscall_name##_nocancel;					\
+  __##syscall_name##_nocancel:						\
+    DO_CALL (SYS_ify (syscall_name));					\
+    PSEUDO_RET;								\
+  .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	\
+  .Lpseudo_cancel:							\
+    stwu 1,-48(1);							\
+    cfi_adjust_cfa_offset (48);						\
+    mflr 9;								\
+    stw 9,52(1);							\
+    cfi_offset (lr, 4);							\
+    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
+    CENABLE;								\
+    stw 3,16(1);	/* store CENABLE return value (MASK).  */	\
+    UNDOCARGS_##args;	/* restore syscall args.  */			\
+    DO_CALL (SYS_ify (syscall_name));					\
+    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
+    stw 3,8(1);								\
+    stw 0,12(1);							\
+    lwz 3,16(1);	/* pass MASK to CDISABLE.  */			\
+    CDISABLE;								\
+    lwz 4,52(1);							\
+    lwz 0,12(1);	/* restore CR/R3. */				\
+    lwz 3,8(1);								\
+    mtlr 4;								\
+    mtcr 0;								\
+    addi 1,1,48;
+
+# define DOCARGS_0
+# define UNDOCARGS_0
+
+# define DOCARGS_1	stw 3,20(1); DOCARGS_0
+# define UNDOCARGS_1	lwz 3,20(1); UNDOCARGS_0
+
+# define DOCARGS_2	stw 4,24(1); DOCARGS_1
+# define UNDOCARGS_2	lwz 4,24(1); UNDOCARGS_1
+
+# define DOCARGS_3	stw 5,28(1); DOCARGS_2
+# define UNDOCARGS_3	lwz 5,28(1); UNDOCARGS_2
+
+# define DOCARGS_4	stw 6,32(1); DOCARGS_3
+# define UNDOCARGS_4	lwz 6,32(1); UNDOCARGS_3
+
+# define DOCARGS_5	stw 7,36(1); DOCARGS_4
+# define UNDOCARGS_5	lwz 7,36(1); UNDOCARGS_4
+
+# define DOCARGS_6	stw 8,40(1); DOCARGS_5
+# define UNDOCARGS_6	lwz 8,40(1); UNDOCARGS_5
+
+# ifdef IS_IN_libpthread
+#  define CENABLE	bl __pthread_enable_asynccancel@local
+#  define CDISABLE	bl __pthread_disable_asynccancel@local
+# elif !defined NOT_IN_libc
+#  define CENABLE	bl __libc_enable_asynccancel@local
+#  define CDISABLE	bl __libc_disable_asynccancel@local
+# elif defined IS_IN_librt
+#  define CENABLE	bl __librt_enable_asynccancel@local
+#  define CDISABLE	bl __librt_disable_asynccancel@local
+# else
+#  error Unsupported library
+# endif
+
+# ifndef __ASSEMBLER__
+#  define SINGLE_THREAD_P						\
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				\
+				   header.multiple_threads) == 0, 1)
+# else
+#  define SINGLE_THREAD_P						\
+  lwz 10,MULTIPLE_THREADS_OFFSET(2);					\
+  cmpwi 10,0
+# endif
+
+#elif !defined __ASSEMBLER__
+
+# define SINGLE_THREAD_P (1)
+# define NO_CANCELLATION 1
+
+#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
 #endif

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/vfork.S

@@ -1,5 +1,57 @@
-#if defined __powerpc64__
-# include "powerpc64/vfork.S"
-#else
-# include "powerpc32/vfork.S"
-#endif
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#define _ERRNO_H	1
+#include <bits/errno.h>
+#include <bits/kernel-features.h>
+#include <tcb-offsets.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)
+	lwz	0,PID(2)
+	cmpwi	0,0,0
+	neg	0,0
+	bne-	0,1f
+	lis	0,0x8000
+1:	stw	0,PID(2)
+
+	DO_CALL (SYS_ify (vfork))
+
+	cmpwi	1,3,0
+	beqlr-	1
+
+	lwz	0,PID(2)
+	/* Cannot use clrlwi. here, because cr0 needs to be preserved
+	   until PSEUDO_RET.  */
+	clrlwi	4,0,1
+	cmpwi	1,4,0
+	beq-	1,1f
+	neg	4,0
+1:	stw	4,PID(2)
+
+	PSEUDO_RET
+
+PSEUDO_END (__vfork)
+libc_hidden_def (__vfork)
+weak_alias (__vfork, vfork)
+libc_hidden_weak(vfork)