Method ParseExceptionData

IDEHelper/DbgModule.cpp:2523–2571

}

void DbgModule::ParseExceptionData()
{
	if (mExceptionDirectory.IsEmpty())
		return;

	BP_ZONE("DbgModule::ParseExceptionData");

	for (auto entry : mExceptionDirectory)
	{
		const uint8* data = entry.mData;
		const uint8* dataEnd = data + entry.mSize;

		static int entryCount = 0;

		addr_target imageBase = GetTargetImageBase();

		while (data < dataEnd)
		{
			addr_target beginAddress = GET(uint32);
			addr_target endAddress = GET(uint32);
			uint32 unwindData = GET(uint32);

			//TODO: Apparently unwindData can refer to another runtime entry in the .pdata if the LSB is set to 1?

			beginAddress += (addr_target)imageBase;
			endAddress += (addr_target)imageBase;

			int exSize = (int)(endAddress - beginAddress);
			for (int exOffset = 0; true; exOffset += DBG_MAX_LOOKBACK)
			{
				int curSize = exSize - exOffset;
				if (curSize <= 0)
					break;

				BP_ALLOC_T(DbgExceptionDirectoryEntry);
				DbgExceptionDirectoryEntry* exceptionDirectoryEntry = mAlloc.Alloc<DbgExceptionDirectoryEntry>();

				exceptionDirectoryEntry->mAddress = beginAddress + exOffset;
				exceptionDirectoryEntry->mOrigAddressOffset = exOffset;
				exceptionDirectoryEntry->mAddressLength = curSize;
				exceptionDirectoryEntry->mExceptionPos = (int)unwindData;
				exceptionDirectoryEntry->mDbgModule = this;
				mDebugTarget->mExceptionDirectoryMap.Insert(exceptionDirectoryEntry);

				entryCount++;
			}
		}
	}
}

static int gIdx = 0;