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
55
56
57
58
59
60
61
62
|
/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* V X _ S T A C K _ I N F O *
* *
* C Implementation File *
* *
* Copyright (C) 2007, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
* ware Foundation; either version 2, or (at your option) any later ver- *
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. You should have received a copy of the GNU General *
* Public License distributed with GNAT; see file COPYING. If not, write *
* to the Free Software Foundation, 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301, USA. *
* *
* As a special exception, if you link this file with other files to *
* produce an executable, this file does not by itself cause the resulting *
* executable to be covered by the GNU General Public License. This except- *
* ion does not however invalidate any other reasons why the executable *
* file might be covered by the GNU Public License. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
/* VxWorks-specific file to have access to task-specific data and be able
to extract the stack boundaries for stack checking. */
#include <taskLib.h>
typedef struct
{
int size;
char *base;
char *end;
} stack_info;
/* __gnat_get_stack_info is used by s-stchop.adb only for VxWorks. This
procedure fills the stack information associated to the currently
executing task. */
extern void __gnat_get_stack_info (stack_info *vxworks_stack_info);
void
__gnat_get_stack_info (stack_info *vxworks_stack_info)
{
TASK_DESC descriptor;
/* Ask the VxWorks kernel about stack values */
taskInfoGet (taskIdSelf (), &descriptor);
/* Fill the stack data with the information provided by the kernel */
vxworks_stack_info->size = descriptor.td_stackSize;
vxworks_stack_info->base = descriptor.td_pStackBase;
vxworks_stack_info->end = descriptor.td_pStackEnd;
}
|