diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/vfork.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/vfork.S | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/vfork.S b/sysdeps/unix/sysv/linux/i386/vfork.S deleted file mode 100644 index 92ceca74c7..0000000000 --- a/sysdeps/unix/sysv/linux/i386/vfork.S +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright (C) 1999-2017 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 <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) - - /* Pop the return PC value into ECX. */ - popl %ecx - cfi_adjust_cfa_offset (-4) - cfi_register (%eip, %ecx) - - /* Stuff the syscall number in EAX and enter into the kernel. */ - movl $SYS_ify (vfork), %eax - int $0x80 - - /* 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 - cfi_adjust_cfa_offset (4) - - cmpl $-4095, %eax - /* Branch forward if it failed. */ - jae SYSCALL_ERROR_LABEL - - ret - -PSEUDO_END (__vfork) -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) -strong_alias (__vfork, __libc_vfork) |