Method ParseDebugFrameData

IDEHelper/DbgModule.cpp:4534–4605

}

void DbgModule::ParseDebugFrameData()
{
	BP_ZONE("ParseDebugFrameData");

	const uint8* data = mDebugFrameData;
	if (data == NULL)
		return;

	mParsedFrameDescriptors = true;
	Dictionary<addr_target, DwCommonFrameDescriptor*> commonFrameDescriptorMap;

	while (true)
	{
		addr_target relSectionAddr = (addr_target)(data - mDebugFrameData);

		int length = GET(int);
		if (length == 0)
			break;

		const uint8* dataEnd = data + length;

		int cieID = GET(int);

		if (cieID < 0)
		{
			BP_ALLOC_T(DwCommonFrameDescriptor);
			DwCommonFrameDescriptor* commonFrameDescriptor = mAlloc.Alloc<DwCommonFrameDescriptor>();

			char version = GET(char);
			commonFrameDescriptor->mDbgModule = this;
			commonFrameDescriptor->mAugmentation = DataGetString(data);

			if (version >= 4)
			{
				commonFrameDescriptor->mPointerSize = GET(int8);
				commonFrameDescriptor->mSegmentSize = GET(int8);
			}

			commonFrameDescriptor->mCodeAlignmentFactor = (int)DecodeULEB128(data);
			commonFrameDescriptor->mDataAlignmentFactor = (int)DecodeSLEB128(data);
			commonFrameDescriptor->mReturnAddressColumn = (int)DecodeULEB128(data);
			commonFrameDescriptor->mInstData = data;
			commonFrameDescriptor->mInstLen = (int)(dataEnd - data);

			mDebugTarget->mCommonFrameDescriptors.push_back(commonFrameDescriptor);
			if (version < 3)
				commonFrameDescriptorMap[relSectionAddr] = commonFrameDescriptor;
			else
				commonFrameDescriptorMap[mDebugFrameAddress + relSectionAddr] = commonFrameDescriptor;
		}
		else
		{
			addr_target lowPC = GET(addr_target);
			addr_target highPC = lowPC + GET(addr_target);

			DwCommonFrameDescriptor* commonFrameDescriptor = commonFrameDescriptorMap[(addr_target)cieID];

			BF_ASSERT(commonFrameDescriptor != NULL);