blob: b9d1646d12206cdfb2135e6996fc7a526df2ca20 (
plain)
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
|
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/ptrace.h>
#include <linux/export.h>
/*-------------------------------------------------------------------------
* APIs expected by various kernel sub-systems
*-------------------------------------------------------------------------
*/
noinline void show_stacktrace(struct task_struct *tsk, struct pt_regs *regs)
{
pr_info("\nStack Trace: NOT Available\n");
}
EXPORT_SYMBOL(show_stacktrace);
/* Expected by sched Code */
void show_stack(struct task_struct *tsk, unsigned long *sp)
{
show_stacktrace(tsk, NULL);
}
/* Expected by Rest of kernel code */
void dump_stack(void)
{
show_stacktrace(NULL, NULL);
}
EXPORT_SYMBOL(dump_stack);
/* Another API expected by schedular, shows up in "ps" as Wait Channel
* Ofcourse just returning schedule( ) would be pointless so unwind until
* the function is not in schedular code
*/
unsigned int get_wchan(struct task_struct *tsk)
{
return 0;
}
|
