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-rw-r--r--sysdeps/unix/sysv/linux/i386/vfork.S23
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h11
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S26
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S23
4 files changed, 2 insertions, 81 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/vfork.S b/sysdeps/unix/sysv/linux/i386/vfork.S
index a8a7e45670..11c530de5f 100644
--- a/sysdeps/unix/sysv/linux/i386/vfork.S
+++ b/sysdeps/unix/sysv/linux/i386/vfork.S
@@ -28,8 +28,6 @@
ENTRY (__vfork)
-#ifdef __NR_vfork
-
/* Pop the return PC value into ECX. */
popl %ecx
cfi_adjust_cfa_offset (-4)
@@ -55,31 +53,10 @@ ENTRY (__vfork)
cmpl $-4095, %eax
/* Branch forward if it failed. */
-# ifdef __ASSUME_VFORK_SYSCALL
jae SYSCALL_ERROR_LABEL
-# else
- jae .Lerror
-# endif
ret
-# ifndef __ASSUME_VFORK_SYSCALL
-.Lerror:
- /* Check if vfork syscall is known at all. */
- cmpl $-ENOSYS, %eax
- jne SYSCALL_ERROR_LABEL
-# endif
-#endif
-
-#ifndef __ASSUME_VFORK_SYSCALL
- /* If we don't have vfork, fork is close enough. */
-
- movl $SYS_ify (fork), %eax
- int $0x80
- cmpl $-4095, %eax
- jae SYSCALL_ERROR_LABEL
- ret
-#endif
PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index cfe335d0bd..7357165618 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -100,12 +100,6 @@
MIPS n32). */
#define __ASSUME_GETDENTS64_SYSCALL 1
-/* Starting with 2.4.5 kernels the vfork syscall made it into the
- official kernel for PPC. */
-#ifdef __powerpc__
-# define __ASSUME_VFORK_SYSCALL 1
-#endif
-
/* Starting with 2.4.5 kernels the mmap2 syscall made it into the official
kernel. But PowerPC64 does not support a separate MMAP2 call. */
#if defined __powerpc__ && !defined __powerpc64__
@@ -118,11 +112,6 @@
# define __ASSUME_SET_THREAD_AREA_SYSCALL 1
#endif
-/* The vfork syscall on x86 and arm was definitely available in 2.4. */
-#ifdef __i386__
-# define __ASSUME_VFORK_SYSCALL 1
-#endif
-
/* The late 2.5 kernels saw a lot of new CLONE_* flags. Summarize
their availability with one define. The changes were made first
for i386 and the have to be done separately for the other archs.
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index 6625e207a9..ca20f7bebd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -26,32 +26,8 @@
and the process ID of the new process to the old process. */
ENTRY (__vfork)
-
-#ifdef __NR_vfork
-
DO_CALL (SYS_ify (vfork))
-
-# ifdef __ASSUME_VFORK_SYSCALL
PSEUDO_RET
-# else
- bnslr+
- /* Check if vfork syscall is known at all. */
- cmpwi r3,ENOSYS
- bne- .Lsyscall_error
-
-# endif
-#endif
-
-#ifndef __ASSUME_VFORK_SYSCALL
- /* If we don't have vfork, fork is close enough. */
-
- DO_CALL (SYS_ify (fork))
- bnslr+
-
-.Lsyscall_error:
- b __syscall_error@local
-#endif
-
PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
index 7baefd0c16..3ce38be884 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 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
@@ -27,29 +27,8 @@
ENTRY (__vfork)
CALL_MCOUNT 0
-
-#ifdef __NR_vfork
-
DO_CALL (SYS_ify (vfork))
-
-# ifdef __ASSUME_VFORK_SYSCALL
- PSEUDO_RET
-# else
- bnslr+
- /* Check if vfork syscall is known at all. */
- cmpdi r3,ENOSYS
- bne .Local_syscall_error
-
-# endif
-#endif
-
-#ifndef __ASSUME_VFORK_SYSCALL
- /* If we don't have vfork, fork is close enough. */
-
- DO_CALL (SYS_ify (fork))
PSEUDO_RET
-#endif
-
PSEUDO_END (__vfork)
libc_hidden_def (__vfork)