diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/clone.S | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/clone.S b/sysdeps/unix/sysv/linux/m68k/clone.S deleted file mode 100644 index 6baf723d9b..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/clone.S +++ /dev/null @@ -1,66 +0,0 @@ -/* Copyright (C) 1996,97,98,2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* clone is even more special than fork as it mucks with stacks - and invokes a function in the right context after its all over. */ - -#include <sysdep.h> -#define _ERRNO_H 1 -#include <bits/errno.h> - -/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ - - .text -ENTRY (__clone) - - /* Sanity check arguments. */ - movel #-EINVAL, %d0 - movel 4(%sp), %a0 /* no NULL function pointers */ - tstl %a0 - jeq SYSCALL_ERROR_LABEL - movel 8(%sp), %a1 /* no NULL stack pointers */ - tstl %a1 - jeq SYSCALL_ERROR_LABEL - - /* Allocate space and copy the argument onto the new stack. */ - movel 16(%sp), -(%a1) - - /* Do the system call */ - exg %d2, %a1 /* save %d2 and get stack pointer */ - movel 12(%sp), %d1 /* get flags */ - movel #SYS_ify (clone), %d0 - trap #0 - exg %d2, %a1 /* restore %d2 */ - - tstl %d0 - jmi SYSCALL_ERROR_LABEL - jeq thread_start - - rts - -thread_start: - subl %fp, %fp /* terminate the stack frame */ - jsr (%a0) - movel %d0, %d1 - movel #SYS_ify (exit), %d0 - trap #0 - -PSEUDO_END (__clone) - -weak_alias (__clone, clone) |