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authorRoland McGrath <roland@hack.frob.com>2014-05-14 09:44:39 -0700
committerRoland McGrath <roland@hack.frob.com>2014-05-14 09:44:39 -0700
commite27871374eda477318f5a694d26cc02fd1cf019e (patch)
tree9f3a2a0d27cc8700a4ee0d92940ab572ed3f39ef /nptl/sysdeps
parent5675da1e845e4b651eb649639137310fd9b6b380 (diff)
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x86: Consolidate NPTL/non versions of vfork
Diffstat (limited to 'nptl/sysdeps')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S66
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/vfork.S44
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S32
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S42
4 files changed, 0 insertions, 184 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S
deleted file mode 100644
index 0a3d63e2b6..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S
+++ /dev/null
@@ -1,66 +0,0 @@
-/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#define _ERRNO_H	1
-#include <bits/errno.h>
-#include <kernel-features.h>
-#include <tcb-offsets.h>
-
-/* Save the PID value.  */
-#define SAVE_PID \
-	movl	%gs:PID, %edx; 						      \
-	movl	%edx, %eax;						      \
-	negl	%eax;							      \
-	movl	%eax, %gs:PID
-
-/* Restore the old PID value in the parent.  */
-#define RESTORE_PID \
-	testl	%eax, %eax;						      \
-	je	1f;							      \
-	movl	%edx, %gs:PID;						      \
-1:
-
-/* 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)
-	/* Pop the return PC value into ECX.  */
-	popl	%ecx
-
-	SAVE_PID
-
-	/* Stuff the syscall number in EAX and enter into the kernel.  */
-	movl	$SYS_ify (vfork), %eax
-	int	$0x80
-
-	RESTORE_PID
-
-	/* Jump to the return PC.  Don't jump directly since this
-	   disturbs the branch target cache.  Instead push the return
-	   address back on the stack.  */
-	pushl	%ecx
-
-	cmpl	$-4095, %eax
-	jae	SYSCALL_ERROR_LABEL	/* Branch forward if it failed.  */
-	ret
-PSEUDO_END (__vfork)
-
-weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/vfork.S b/nptl/sysdeps/unix/sysv/linux/i386/vfork.S
deleted file mode 100644
index 5e0e5e0e3f..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/i386/vfork.S
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (C) 1999-2014 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* 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 <vfork.S>
-#else
-
-# include <tcb-offsets.h>
-
-/* Save the PID value.  */
-# define SAVE_PID \
-	movl	%gs:PID, %edx; 						      \
-	movl	%edx, %eax;						      \
-	negl	%eax;							      \
-	jne	1f;							      \
-	movl	$0x80000000, %eax;					      \
-1:	movl	%eax, %gs:PID
-
-/* Restore the old PID value in the parent.  */
-# define RESTORE_PID \
-	testl	%eax, %eax;						      \
-	je	1f;							      \
-	movl	%edx, %gs:PID;						      \
-1:
-
-# include_next <vfork.S>
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S
deleted file mode 100644
index 77144ef3c0..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright (C) 2004-2014 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <tcb-offsets.h>
-
-#define SAVE_PID \
-	movl	%fs:PID, %esi;						      \
-	movl	%esi, %edx;						      \
-	negl	%edx;							      \
-	movl	%edx, %fs:PID
-
-#define RESTORE_PID \
-	testq	%rax, %rax;						      \
-	je	1f;							      \
-	movl	%esi, %fs:PID;						      \
-1:
-
-#include <../../../../../../sysdeps/unix/sysv/linux/x86_64/vfork.S>
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S
deleted file mode 100644
index c6058af70c..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright (C) 2004-2014 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* 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 <vfork.S>
-#else
-
-# include <tcb-offsets.h>
-
-# define SAVE_PID \
-	movl	%fs:PID, %esi;						      \
-	movl	$0x80000000, %ecx;					      \
-	movl	%esi, %edx;						      \
-	negl	%edx;							      \
-	cmove	%ecx, %edx;						      \
-	movl	%edx, %fs:PID
-
-# define RESTORE_PID \
-	testq	%rax, %rax;						      \
-	je	1f;							      \
-	movl	%esi, %fs:PID;						      \
-1:
-
-# include_next <vfork.S>
-#endif