diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/m68k/vfork.S')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/m68k/vfork.S | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/vfork.S b/ports/sysdeps/unix/sysv/linux/m68k/vfork.S deleted file mode 100644 index 3745287cbf..0000000000 --- a/ports/sysdeps/unix/sysv/linux/m68k/vfork.S +++ /dev/null @@ -1,74 +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> - -#ifndef SAVE_PID -#define SAVE_PID -#endif - -#ifndef RESTORE_PID -#define RESTORE_PID -#endif - -/* 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) - - /* SAVE_PID clobbers call-clobbered registers and - saves data in D1 and A1. */ - - SAVE_PID - - /* Pop the return PC value into A0. */ - movel %sp@+, %a0 - cfi_adjust_cfa_offset (-4) - cfi_register (%pc, %a0) - - /* Stuff the syscall number in D0 and trap into the kernel. */ - movel #SYS_ify (vfork), %d0 - trap #0 - - RESTORE_PID - - tstl %d0 - jmi .Lerror /* Branch forward if it failed. */ - - /* Jump to the return PC. */ - jmp %a0@ - -.Lerror: - /* Push back the return PC. */ - movel %a0,%sp@- - cfi_adjust_cfa_offset (4) - cfi_rel_offset (%pc, 0) - -#ifndef PIC - jbra SYSCALL_ERROR_LABEL -#endif - -PSEUDO_END (__vfork) -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) |