deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

experimental: print pc history when program jumps to bad address

Browse source
This commit is contained in:
fros4943 2009-03-13 16:24:29 +00:00
parent eb3874a1fb
commit c53d80a608
1 changed files with 25 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/MspMote.java
View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: MspMote.java,v 1.23 2009/03/12 17:47:58 fros4943 Exp $ * $Id: MspMote.java,v 1.24 2009/03/13 16:24:29 fros4943 Exp $
*/ */
package se.sics.cooja.mspmote; package se.sics.cooja.mspmote;
@ -296,8 +296,9 @@ public abstract class MspMote implements Mote {
*/ */
protected abstract boolean initEmulator(File ELFFile); protected abstract boolean initEmulator(File ELFFile);
/* return false when done - e.g. true means more work to do before finished with this tick */ private int[] pcHistory = new int[5];
/* return false when done - e.g. true means more work to do before finished with this tick */
private boolean firstTick = true; private boolean firstTick = true;
public boolean tick(long simTime) { public boolean tick(long simTime) {
if (stopNextInstruction) { if (stopNextInstruction) {
@ -328,9 +329,31 @@ public abstract class MspMote implements Mote {
} }
myMoteInterfaceHandler.doActiveActionsBeforeTick(); myMoteInterfaceHandler.doActiveActionsBeforeTick();
/* Experimental program counter history */
for (int i=pcHistory.length-1; i > 0; i--) {
pcHistory[i] = pcHistory[i-1];
}
pcHistory[0] = cpu.reg[MSP430.PC];
try { try {
cpu.step(cycleCounter); cpu.step(cycleCounter);
} catch (EmulationException e) { } catch (EmulationException e) {
if (e.getMessage().startsWith("Bad operation")) {
/* Experimental: print program counter history */
LineListener oldListener = commandListener;
LineListener tmpListener = new LineListener() {
public void lineRead(String line) {
logger.fatal(line);
}
};
setCLIListener(tmpListener);
logger.fatal("Bad operation detected. Program counter history:");
for (int element : pcHistory) {
sendCLICommand("line " + element);
}
setCLIListener(oldListener);
}
throw (RuntimeException) throw (RuntimeException)
new RuntimeException("Emulated exception: " + e.getMessage()).initCause(e); new RuntimeException("Emulated exception: " + e.getMessage()).initCause(e);
} }