/**
* Stack frames are labelled 0 to stackTrace->depth
* With zero being the topmost or most recent frame.
*/
CallStackNode* Debugger::locateTrace(int frameNbr)
{
int count = 0;
CallStackNode* trace = core->callStack;
while(count++ < frameNbr && trace != NULL)
trace = trace->next();
return trace;
}
/**
* Returns the call stack depth (i.e. number of frames).
*/
int Debugger::frameCount()
{
const int MAX_FRAMES = 500; // we need a max, for perf. reasons (bug 175526)
CallStackNode* trace = core->callStack;
if (trace == NULL)
return 0;
int count = 1;
while( (trace = trace->next()) != 0 && count < MAX_FRAMES )
count++;
return count;
}
void Sampler::writeRawSample(SampleType sampleType)
{
CallStackNode *csn = core->callStack;
uint32 depth = csn ? csn->depth() : 0;
byte *p = currentSample;
write(p, GC::ticksToMicros(VMPI_getPerformanceCounter()));
write(p, sampleType);
if(sampleType != DELETED_OBJECT_SAMPLE)
{
//if(depth == 0)
// AvmDebugMsg(false, "Please add SAMPLE_FRAME's to give this allocation some context.");
write(p, depth);
while(csn)
{
write(p, csn->info());
write(p, csn->fakename());
// FIXME: can filename can be stored in the AbstractInfo?
write(p, csn->filename());
write(p, csn->linenum());
#ifdef AVMPLUS_64BIT
AvmAssert(sizeof(StackTrace::Element) == sizeof(MethodInfo *) + sizeof(Stringp) + sizeof(Stringp) + sizeof(int32_t) + sizeof(int32_t));
write(p, (int) 0); // structure padding
#endif
csn = csn->next();
depth--;
}
AvmAssert(depth == 0);
}
// padding to keep 8 byte alignment
align(p);
currentSample = p;
takeSample = 0;
}