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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* Machine dependent pthreads code. Hurd/i386 version.
Copyright (C) 2000,02 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 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.
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. */
#include <errno.h>
#include <mach.h>
#include <mach/i386/thread_status.h>
#include <mach/thread_status.h>
int
__thread_set_pcsp (thread_t thread,
int set_ip, void *ip,
int set_sp, void *sp)
{
error_t err;
struct i386_thread_state state;
mach_msg_type_number_t state_count;
state_count = i386_THREAD_STATE_COUNT;
err = __thread_get_state (thread, i386_THREAD_STATE,
(thread_state_t) &state, &state_count);
if (err)
return err;
if (set_sp)
state.uesp = (unsigned int) sp;
if (set_ip)
state.eip = (unsigned int) ip;
err = __thread_set_state (thread, i386_THREAD_STATE,
(thread_state_t) &state,
i386_THREAD_STATE_COUNT);
if (err)
return err;
return 0;
}
|
