WUMSLoader/relocator/src/ModuleDataPersistence.cpp
2021-02-19 17:01:21 +01:00

85 lines
3.7 KiB
C++

#include "ModuleDataPersistence.h"
#include "DynamicLinkingHelper.h"
#include <coreinit/cache.h>
#include <wums.h>
std::vector<ModuleData> ModuleDataPersistence::loadModuleData(module_information_t *moduleInformation) {
std::vector<ModuleData> result;
if (moduleInformation == nullptr) {
DEBUG_FUNCTION_LINE("moduleInformation == NULL\n");
return result;
}
DCFlushRange((void *) moduleInformation, sizeof(module_information_t));
ICInvalidateRange((void *) moduleInformation, sizeof(module_information_t));
int32_t module_count = moduleInformation->number_used_modules;
if (module_count > MAXIMUM_MODULES) {
DEBUG_FUNCTION_LINE("moduleInformation->module_count was bigger then allowed. %d > %d. Limiting to %d\n", module_count, MAXIMUM_MODULES, MAXIMUM_MODULES);
module_count = MAXIMUM_MODULES;
}
for (int32_t i = 0; i < module_count; i++) {
// Copy data from struct.
module_information_single_t *module_data = &(moduleInformation->module_data[i]);
ModuleData moduleData;
moduleData.setBSSLocation(module_data->bssAddr, module_data->bssSize);
moduleData.setSBSSLocation(module_data->sbssAddr, module_data->sbssSize);
moduleData.setEntrypoint(module_data->entrypoint);
moduleData.setStartAddress(module_data->startAddress);
moduleData.setEndAddress(module_data->endAddress);
moduleData.setSkipEntrypoint(module_data->skipEntrypoint);
moduleData.setSkipWUTInit(module_data->skipWUTInit);
moduleData.setInitBeforeRelocationDoneHook(module_data->initBeforeRelocationDoneHook);
moduleData.setExportName(module_data->module_export_name);
for (auto & export_entry : module_data->export_entries) {
if (export_entry.address == 0) {
continue;
}
moduleData.addExportData(ExportData(static_cast<wums_entry_type_t>(export_entry.type), export_entry.name, reinterpret_cast<const void *>(export_entry.address)));
}
for (auto & hook_entrie : module_data->hook_entries) {
hook_data_t *hook_entry = &hook_entrie;
if (hook_entry->target == 0) {
continue;
}
moduleData.addHookData(HookData(static_cast<wums_hook_type_t>(hook_entry->type), reinterpret_cast<const void *>(hook_entry->target)));
}
for (auto & linking_entry : module_data->linking_entries) {
if (linking_entry.destination == nullptr) {
break;
}
dyn_linking_import_t *importEntry = linking_entry.importEntry;
if (importEntry == nullptr) {
DEBUG_FUNCTION_LINE("importEntry was NULL, skipping relocation entry\n");
continue;
}
if (importEntry->importName == nullptr) {
DEBUG_FUNCTION_LINE("importEntry->importName was NULL, skipping relocation entry\n");
continue;
}
dyn_linking_function_t *functionEntry = linking_entry.functionEntry;
if (functionEntry == nullptr) {
DEBUG_FUNCTION_LINE("functionEntry was NULL, skipping relocation entry\n");
continue;
}
if (functionEntry->functionName == nullptr) {
DEBUG_FUNCTION_LINE("functionEntry->functionName was NULL, skipping relocation entry\n");
continue;
}
ImportRPLInformation rplInfo(importEntry->importName, importEntry->isData);
RelocationData reloc(linking_entry.type, linking_entry.offset, linking_entry.addend, linking_entry.destination, functionEntry->functionName, rplInfo);
moduleData.addRelocationData(reloc);
}
result.push_back(moduleData);
}
return result;
}