WiiUPluginLoaderBackend/source/plugin/PluginData.cpp

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#include "PluginData.h"
void PluginData::freeMemory() {
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if (buffer == NULL) {
return;
}
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switch (memoryType) {
default:
case eMemTypeExpHeap:
MEMFreeToExpHeap(this->heapHandle, buffer);
this->buffer = NULL;
break;
case eMemTypeMEM2:
free(this->buffer);
this->buffer = NULL;
break;
}
}
PluginData::PluginData(std::vector<uint8_t> buffer) : PluginData(buffer, 0, eMemTypeMEM2) {
}
void PluginData::loadReader() {
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if (this->buffer == NULL) {
this->reader = std::nullopt;
} else {
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elfio *nReader = new elfio;
if (nReader != NULL && nReader->load((char *) this->buffer, length)) {
DEBUG_FUNCTION_LINE("Loading was okay");
this->reader = nReader;
} else {
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if (nReader) {
delete nReader;
nReader = NULL;
}
DEBUG_FUNCTION_LINE("Loading failed");
this->reader = std::nullopt;
}
}
}
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PluginData::PluginData(std::vector<uint8_t> input, MEMHeapHandle heapHandle, eMemoryTypes memoryType) :
heapHandle(heapHandle),
memoryType(memoryType),
length(input.size()) {
void *data_copy = NULL;
switch (memoryType) {
default:
case eMemTypeExpHeap:
data_copy = MEMAllocFromExpHeapEx(heapHandle, length, 4);
if (data_copy == NULL) {
DEBUG_FUNCTION_LINE("Failed to allocate space on exp heap");
} else {
memcpy(data_copy, &input[0], length);
}
this->buffer = data_copy;
DEBUG_FUNCTION_LINE("copied data to exp heap");
break;
case eMemTypeMEM2:
data_copy = memalign(length, 4);
if (data_copy == NULL) {
DEBUG_FUNCTION_LINE("Failed to allocate space on default heap");
} else {
memcpy(data_copy, &input[0], length);
}
this->buffer = data_copy;
break;
}
loadReader();
}
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std::optional<PluginData> PluginData::createFromExistingData(const void *buffer, MEMHeapHandle heapHandle, eMemoryTypes memoryType, const size_t length) {
return std::nullopt;
}