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Consolidate sparc clone, fork, and vfork implementations.

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* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Moved ...
	* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: ... here.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Moved ...
	* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: ... here.
	* sysdeps/unix/sysv/linux/sparc/fork.S: Delete.
	* sysdeps/unix/sysv/linux/sparc/pt-vfork.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start):
	Remove RESET_PID cpp guards.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start):
	Remove RESET_PID cpp guards.
	* sysdeps/unix/sysv/linux/sparc/vfork.S: Delete.
This commit is contained in:
David S. Miller
2014-06-13 14:41:58 -07:00
parent f5d71e140d
commit f6fdf53382
12 changed files with 21 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
View File

@ -80,7 +80,6 @@ END(__clone)
.type __thread_start,@function
__thread_start:
#ifdef RESET_PID
sethi %hi(CLONE_THREAD), %l0
andcc %g4, %l0, %g0
bne 1f
@ -93,7 +92,6 @@ __thread_start:
st %o0,[%g7 + PID]
st %o0,[%g7 + TID]
1:
#endif
mov %g0, %fp /* terminate backtrace */
call %g2
mov %g3,%o0

49
sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S Normal file
View File

@ -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)