Leahnaya/WiiUPluginLoaderBackend
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Patch Kernel to resolve symbols names of plugins

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This commit is contained in:
Maschell
2021-12-15 17:04:30 +01:00
parent 719ae8e4da
commit 64f78ccec4
10 changed files with 292 additions and 12 deletions
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60
source/plugin/PluginContainerPersistence.cpp
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@@ -7,7 +7,7 @@
#include "PluginDataPersistence.h"
#include "DynamicLinkingHelper.h"
bool PluginContainerPersistence::savePlugin(plugin_information_t *pluginInformation, PluginContainer &plugin) {
bool PluginContainerPersistence::savePlugin(plugin_information_t *pluginInformation, PluginContainer &plugin, MEMHeapHandle heapHandle) {
int32_t plugin_count = pluginInformation->number_used_plugins;
auto pluginName = plugin.getMetaInformation().getName();
@@ -160,6 +160,48 @@ bool PluginContainerPersistence::savePlugin(plugin_information_t *pluginInformat
plugin_data->info.allocatedDataMemoryAddress = pluginInfo.allocatedDataMemoryAddress;
uint32_t entryCount = pluginInfo.getFunctionSymbolDataList().size();
if (entryCount > 0) {
/* Saving SectionInfos */
uint32_t funcSymStringLen = 1;
for (auto &curFuncSym: pluginInfo.getFunctionSymbolDataList()) {
funcSymStringLen += curFuncSym.getName().length() + 1;
}
char *stringTable = (char *) MEMAllocFromExpHeapEx(heapHandle, funcSymStringLen, 0x4);
if (stringTable == nullptr) {
DEBUG_FUNCTION_LINE("Failed alloc memory to store string table for function symbol data");
return false;
}
memset(stringTable, 0, funcSymStringLen);
DEBUG_FUNCTION_LINE("Allocated %d for the function symbol string table", funcSymStringLen);
auto *entryTable = (plugin_function_symbol_data_t *) MEMAllocFromExpHeapEx(heapHandle, entryCount * sizeof(plugin_function_symbol_data_t), 0x4);
if (entryTable == nullptr) {
MEMFreeToExpHeap((MEMHeapHandle) heapHandle, stringTable);
free(stringTable);
DEBUG_FUNCTION_LINE("Failed alloc memory to store function symbol data");
return false;
}
DEBUG_FUNCTION_LINE("Allocated %d for the function symbol data", entryCount * sizeof(plugin_function_symbol_data_t));
uint32_t curStringOffset = 0;
uint32_t curEntryIndex = 0;
for (auto &curFuncSym: pluginInfo.getFunctionSymbolDataList()) {
entryTable[curEntryIndex].address = curFuncSym.getAddress();
entryTable[curEntryIndex].name = &stringTable[curStringOffset];
entryTable[curEntryIndex].size = curFuncSym.getSize();
auto len = curFuncSym.getName().length() + 1;
memcpy(stringTable + curStringOffset, curFuncSym.getName().c_str(), len);
curStringOffset += len;
curEntryIndex++;
}
plugin_data->info.allocatedFuncSymStringTableAddress = stringTable;
plugin_data->info.function_symbol_data = entryTable;
}
plugin_data->info.number_function_symbol_data = entryCount;
/* Copy plugin data */
auto pluginData = plugin.getPluginData();
auto plugin_data_data = &plugin_data->data;
@@ -239,13 +281,13 @@ std::vector<PluginContainer> PluginContainerPersistence::loadPlugins(plugin_info
}
bool storageHasId = true;
for(auto const &value : curPluginInformation.getHookDataList()){
if(value.getType() == WUPS_LOADER_HOOK_INIT_STORAGE &&
metaInformation.getStorageId().empty()){
for (auto const &value: curPluginInformation.getHookDataList()) {
if (value.getType() == WUPS_LOADER_HOOK_INIT_STORAGE &&
metaInformation.getStorageId().empty()) {
storageHasId = false;
}
}
if(!storageHasId){
if (!storageHasId) {
DEBUG_FUNCTION_LINE("Plugin is using the storage API but has not set an ID");
continue;
}
@@ -287,6 +329,14 @@ std::vector<PluginContainer> PluginContainerPersistence::loadPlugins(plugin_info
curPluginInformation.addRelocationData(reloc);
}
/* load function symbol data */
for (uint32_t j = 0; j < plugin_data->info.number_function_symbol_data; j++) {
auto symbol_data = &plugin_data->info.function_symbol_data[j];
std::string symbol_name = symbol_data->name;
FunctionSymbolData funSymbolData(symbol_name, (void *) symbol_data->address, symbol_data->size);
curPluginInformation.addFunctionSymbolData(funSymbolData);
}
PluginContainer container;
container.setMetaInformation(metaInformation);
container.setPluginData(pluginData);