First iteration of the WUPS-Backend as a .rpx/module for the SetupPayload

- Function replacements are not implemented yet
- Serveral features like the config menu are missing

Still WIP

source/plugin/PluginData.cpp

@@ -0,0 +1,76 @@
+#include "PluginData.h"
+
+void PluginData::freeMemory() {
+    if(buffer == NULL) {
+        return;
+    }
+
+    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() {
+    if(this->buffer == NULL) {
+        this->reader = std::nullopt;
+    } else {
+        elfio * nReader = new elfio;
+        if(nReader != NULL && nReader->load((char*)this->buffer, length)) {
+            DEBUG_FUNCTION_LINE("Loading was okay");
+            this->reader = nReader;
+        } else {
+            if(nReader){
+                delete nReader;
+                nReader = NULL;
+            }
+            DEBUG_FUNCTION_LINE("Loading failed");
+            this->reader = std::nullopt;
+        }
+    }
+}
+
+
+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();
+}
+
+std::optional<PluginData> PluginData::createFromExistingData(const void* buffer, MEMHeapHandle heapHandle, eMemoryTypes memoryType, const size_t length) {
+    return std::nullopt;
+}