diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S new file mode 100644 index 0000000000..549769a9c0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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> +#include <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + cmp %o5, 0 + bne 1f + sub %g0, %o5, %o4 + sethi %hi(0x80000000), %o4 +1: st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x10 + bcc 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +libc_hidden_def (__vfork) +weak_alias (__vfork, vfork) +strong_alias (__vfork, __libc_vfork) |