| 1 |
706 |
jeremybenn |
/****************************************************************************
|
| 2 |
|
|
* *
|
| 3 |
|
|
* GNAT COMPILER COMPONENTS *
|
| 4 |
|
|
* *
|
| 5 |
|
|
* V X _ S T A C K _ I N F O *
|
| 6 |
|
|
* *
|
| 7 |
|
|
* C Implementation File *
|
| 8 |
|
|
* *
|
| 9 |
|
|
* Copyright (C) 2007-2009 Free Software Foundation, Inc. *
|
| 10 |
|
|
* *
|
| 11 |
|
|
* GNAT is free software; you can redistribute it and/or modify it under *
|
| 12 |
|
|
* terms of the GNU General Public License as published by the Free Soft- *
|
| 13 |
|
|
* ware Foundation; either version 3, or (at your option) any later ver- *
|
| 14 |
|
|
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
|
| 15 |
|
|
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
|
| 16 |
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. *
|
| 17 |
|
|
* *
|
| 18 |
|
|
* As a special exception under Section 7 of GPL version 3, you are granted *
|
| 19 |
|
|
* additional permissions described in the GCC Runtime Library Exception, *
|
| 20 |
|
|
* version 3.1, as published by the Free Software Foundation. *
|
| 21 |
|
|
* *
|
| 22 |
|
|
* You should have received a copy of the GNU General Public License and *
|
| 23 |
|
|
* a copy of the GCC Runtime Library Exception along with this program; *
|
| 24 |
|
|
* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
|
| 25 |
|
|
* <http://www.gnu.org/licenses/>. *
|
| 26 |
|
|
* *
|
| 27 |
|
|
* GNAT was originally developed by the GNAT team at New York University. *
|
| 28 |
|
|
* Extensive contributions were provided by Ada Core Technologies Inc. *
|
| 29 |
|
|
* *
|
| 30 |
|
|
****************************************************************************/
|
| 31 |
|
|
|
| 32 |
|
|
/* VxWorks-specific file to have access to task-specific data and be able
|
| 33 |
|
|
to extract the stack boundaries for stack checking. */
|
| 34 |
|
|
|
| 35 |
|
|
#include <taskLib.h>
|
| 36 |
|
|
|
| 37 |
|
|
typedef struct
|
| 38 |
|
|
{
|
| 39 |
|
|
int size;
|
| 40 |
|
|
char *base;
|
| 41 |
|
|
char *end;
|
| 42 |
|
|
} stack_info;
|
| 43 |
|
|
|
| 44 |
|
|
/* __gnat_get_stack_info is used by s-stchop.adb only for VxWorks. This
|
| 45 |
|
|
procedure fills the stack information associated to the currently
|
| 46 |
|
|
executing task. */
|
| 47 |
|
|
extern void __gnat_get_stack_info (stack_info *vxworks_stack_info);
|
| 48 |
|
|
|
| 49 |
|
|
void
|
| 50 |
|
|
__gnat_get_stack_info (stack_info *vxworks_stack_info)
|
| 51 |
|
|
{
|
| 52 |
|
|
TASK_DESC descriptor;
|
| 53 |
|
|
|
| 54 |
|
|
/* Ask the VxWorks kernel about stack values */
|
| 55 |
|
|
taskInfoGet (taskIdSelf (), &descriptor);
|
| 56 |
|
|
|
| 57 |
|
|
/* Fill the stack data with the information provided by the kernel */
|
| 58 |
|
|
vxworks_stack_info->size = descriptor.td_stackSize;
|
| 59 |
|
|
vxworks_stack_info->base = descriptor.td_pStackBase;
|
| 60 |
|
|
vxworks_stack_info->end = descriptor.td_pStackEnd;
|
| 61 |
|
|
}
|
