From e27871374eda477318f5a694d26cc02fd1cf019e Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 14 May 2014 09:44:39 -0700 Subject: x86: Consolidate NPTL/non versions of vfork --- nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S | 66 -------------------------- nptl/sysdeps/unix/sysv/linux/i386/vfork.S | 44 ----------------- nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S | 32 ------------- nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S | 42 ---------------- 4 files changed, 184 deletions(-) delete mode 100644 nptl/sysdeps/unix/sysv/linux/i386/pt-vfork.S delete mode 100644 nptl/sysdeps/unix/sysv/linux/i386/vfork.S delete mode 100644 nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S delete mode 100644 nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S (limited to 'nptl/sysdeps/unix') 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 . - - 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 - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* 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 - . */ - -/* 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 -#else - -# include - -/* 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 -#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 - . */ - -#include - -#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 - . */ - -/* 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 -#else - -# include - -# 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 -#endif -- cgit v1.2.3