1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
#include <tcb-offsets.h>
#define SAVE_PID \
movl %fs:PID, %esi; \
movl $0x80000000, %ecx; \
movl %esi, %edx; \
negl %edx; \
cmove %ecx, %edx; \
movl %edx, %fs:PID
#define RESTORE_PID \
testq %rax, %rax; \
je 1f; \
movl %esi, %fs:PID; \
1:
#include <sysdeps/unix/sysv/linux/x86_64/vfork.S>
|
