diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/clone.S | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/clone.S b/sysdeps/unix/sysv/linux/m68k/clone.S index 4465dd8f68..ef9716d979 100644 --- a/sysdeps/unix/sysv/linux/m68k/clone.S +++ b/sysdeps/unix/sysv/linux/m68k/clone.S @@ -1,20 +1,20 @@ -/* Copyright (C) 1996 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. 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 Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 -Library General Public License for more details. + 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 + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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. */ @@ -23,7 +23,7 @@ Cambridge, MA 02139, USA. */ #define _ERRNO_H 1 #include <errnos.h> -/* int clone (int (*fn) (), void *child_stack, int flags, int nargs, ...) */ +/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ .text ENTRY (__clone) @@ -36,18 +36,9 @@ ENTRY (__clone) movel 8(%sp), %a1 /* no NULL stack pointers */ tstl %a1 jeq syscall_error - movel 16(%sp), %d1 /* no negative argument counts */ - jmi syscall_error - /* Allocate space on the new stack and copy args over */ - movel %d1, %d0 - negl %d0 - lea (%a1,%d0.l*4), %a1 - jeq 2f -1: movel 16(%sp,%d1.l*4), -4(%a1,%d1.l*4) - subql #1, %d1 - jne 1b -2: + /* 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 */ |