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Arm stack unwinder

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Simplified stack unwinder for ARM. This is port of
http://www.mcternan.me.uk/ArmStackUnwinding/
backtrace() is called from UIE() on native targets
and from panicf() on both native and ARM RaaA.

Change-Id: I8e4b3c02490dd60b30aa372fe842d193b8929ce0
This commit is contained in:
Marcin Bukat 2012-01-25 09:57:59 +01:00
parent 680c6fcde1
commit b4eab59951
23 changed files with 2630 additions and 18 deletions
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57
lib/unwarminder/backtrace.h Normal file
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/***************************************************************************
* ARM Stack Unwinder, Michael.McTernan.2001@cs.bris.ac.uk
*
* This program is PUBLIC DOMAIN.
* This means that there is no copyright and anyone is able to take a copy
* for free and use it as they wish, with or without modifications, and in
* any context, commercially or otherwise. The only limitation is that I
* don't guarantee that the software is fit for any purpose or accept any
* liability for it's use or misuse - this software is without warranty.
***************************************************************************
* File Description: Unwinder client that reads local memory.
**************************************************************************/
#ifndef CLIENT_H
#define CLIENT_H
/***************************************************************************
* Nested Includes
***************************************************************************/
#include "config.h"
#include "system.h"
#include "lcd.h"
#include <stdio.h>
#include "unwarminder.h"
#include "get_sp.h"
#include "gcc_extensions.h"
#if defined(SIM_CLIENT)
#error This file is not for the simulated unwinder client
#endif
/***************************************************************************
* Typedefs
***************************************************************************/
/** Example structure for holding unwind results.
*/
typedef struct
{
Int16 frameCount;
Int32 address[32];
}
CliStack;
/***************************************************************************
* Variables
***************************************************************************/
extern const UnwindCallbacks cliCallbacks;
void backtrace(int pcAddr, int spAddr, unsigned *line);
#endif
/* END OF FILE */