mirror of
https://github.com/wiiu-env/WiiUPluginLoaderBackend.git
synced 2024-11-18 02:39:20 +01:00
218 lines
11 KiB
C++
218 lines
11 KiB
C++
#include <coreinit/cache.h>
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#include <coreinit/dynload.h>
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#include <coreinit/memdefaultheap.h>
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#include <memory.h>
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#include <memory>
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#include "patcher/hooks_patcher_static.h"
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#include "plugin/PluginContainer.h"
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#include "plugin/PluginInformationFactory.h"
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#include "plugin/PluginMetaInformationFactory.h"
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#include "PluginManagement.h"
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#include "globals.h"
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#include "hooks.h"
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#include "utils/ElfUtils.h"
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bool PluginManagement::doRelocation(const std::vector<std::shared_ptr<RelocationData>> &relocData, relocation_trampoline_entry_t *tramp_data, uint32_t tramp_length, uint32_t trampolineID) {
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std::map<std::string, OSDynLoad_Module> moduleHandleCache;
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for (auto const &cur : relocData) {
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uint32_t functionAddress = 0;
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const std::string &functionName = cur->getName();
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if (functionName == "MEMAllocFromDefaultHeap") {
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OSDynLoad_Module rplHandle;
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OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
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OSDynLoad_FindExport(rplHandle, 1, "MEMAllocFromMappedMemory", (void **) &functionAddress);
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} else if (functionName == "MEMAllocFromDefaultHeapEx") {
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OSDynLoad_Module rplHandle;
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OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
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OSDynLoad_FindExport(rplHandle, 1, "MEMAllocFromMappedMemoryEx", (void **) &functionAddress);
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} else if (functionName == "MEMFreeToDefaultHeap") {
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OSDynLoad_Module rplHandle;
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OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
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OSDynLoad_FindExport(rplHandle, 1, "MEMFreeToMappedMemory", (void **) &functionAddress);
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}
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if (functionAddress == 0) {
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std::string rplName = cur->getImportRPLInformation()->getName();
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int32_t isData = cur->getImportRPLInformation()->isData();
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OSDynLoad_Module rplHandle = nullptr;
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if (moduleHandleCache.count(rplName) > 0) {
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rplHandle = moduleHandleCache[rplName];
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} else {
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OSDynLoad_Acquire(rplName.c_str(), &rplHandle);
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moduleHandleCache[rplName] = rplHandle;
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}
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OSDynLoad_FindExport(rplHandle, isData, functionName.c_str(), (void **) &functionAddress);
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}
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if (functionAddress == 0) {
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DEBUG_FUNCTION_LINE("Failed to find export for %s", functionName.c_str());
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return false;
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} else {
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//DEBUG_FUNCTION_LINE("Found export for %s %s", rplName.c_str(), functionName.c_str());
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}
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if (!ElfUtils::elfLinkOne(cur->getType(), cur->getOffset(), cur->getAddend(), (uint32_t) cur->getDestination(), functionAddress, tramp_data, tramp_length, RELOC_TYPE_IMPORT, trampolineID)) {
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DEBUG_FUNCTION_LINE("Relocation failed");
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return false;
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}
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}
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DCFlushRange(tramp_data, tramp_length * sizeof(relocation_trampoline_entry_t));
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ICInvalidateRange(tramp_data, tramp_length * sizeof(relocation_trampoline_entry_t));
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return true;
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}
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void PluginManagement::doRelocations(const std::vector<std::shared_ptr<PluginContainer>> &plugins, relocation_trampoline_entry_t *trampData, uint32_t tramp_size) {
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for (auto &pluginContainer : plugins) {
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DEBUG_FUNCTION_LINE_VERBOSE("Doing relocations for plugin: %s", pluginContainer->getMetaInformation()->getName().c_str());
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if (!PluginManagement::doRelocation(pluginContainer->getPluginInformation()->getRelocationDataList(), trampData, tramp_size, pluginContainer->getPluginInformation()->getTrampolineId())) {
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DEBUG_FUNCTION_LINE("Relocation failed");
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}
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}
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}
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void PluginManagement::memsetBSS(const std::vector<std::shared_ptr<PluginContainer>> &plugins) {
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for (auto &pluginContainer : plugins) {
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auto sbssSection = pluginContainer->getPluginInformation()->getSectionInfo(".sbss");
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if (sbssSection) {
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DEBUG_FUNCTION_LINE_VERBOSE("memset .sbss %08X (%d)", sbssSection.value()->getAddress(), sbssSection.value()->getSize());
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memset((void *) sbssSection.value()->getAddress(), 0, sbssSection.value()->getSize());
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}
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auto bssSection = pluginContainer->getPluginInformation()->getSectionInfo(".bss");
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if (bssSection) {
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DEBUG_FUNCTION_LINE_VERBOSE("memset .bss %08X (%d)", bssSection.value()->getAddress(), bssSection.value()->getSize());
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memset((void *) bssSection.value()->getAddress(), 0, bssSection.value()->getSize());
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}
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}
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}
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void PluginManagement::RestorePatches(plugin_information_t *pluginInformation, BOOL pluginOnly) {
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for (int32_t plugin_index = pluginInformation->number_used_plugins - 1; plugin_index >= 0; plugin_index--) {
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FunctionPatcherRestoreFunctions(pluginInformation->plugin_data[plugin_index].info.functions, pluginInformation->plugin_data[plugin_index].info.number_used_functions);
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}
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if (!pluginOnly) {
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FunctionPatcherRestoreFunctions(method_hooks_hooks_static, method_hooks_size_hooks_static);
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}
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}
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void PluginManagement::unloadPlugins(plugin_information_t *pluginInformation, MEMHeapHandle pluginHeap, BOOL freePluginData) {
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_WUT_MALLOC);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_WUT_NEWLIB);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_WUT_STDCPP);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_WUT_DEVOPTAB);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_WUT_SOCKETS);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_DEINIT_PLUGIN);
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// CallHook(pluginInformation, WUPS_LOADER_HOOK_FINI_WUT_SOCKETS); To keep network alive we skip this.
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CallHook(pluginInformation, WUPS_LOADER_HOOK_FINI_WUT_DEVOPTAB);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_FINI_WUT_STDCPP);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_FINI_WUT_NEWLIB);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_FINI_WUT_MALLOC);
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RestorePatches(pluginInformation, true);
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for (int32_t plugin_index = 0; plugin_index < pluginInformation->number_used_plugins; plugin_index++) {
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plugin_information_single_t *plugin = &(pluginInformation->plugin_data[plugin_index]);
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if (freePluginData) {
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if (plugin->data.buffer != nullptr) {
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if (plugin->data.memoryType == eMemTypeMEM2) {
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DEBUG_FUNCTION_LINE_VERBOSE("Free plugin data buffer for %s [%08X]", plugin->meta.name, plugin->data.buffer);
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free(plugin->data.buffer);
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} else if (plugin->data.memoryType == eMemTypeExpHeap) {
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DEBUG_FUNCTION_LINE_VERBOSE("Free plugin data buffer for %s [%08X on heap %08X]", plugin->meta.name, plugin->data.buffer, plugin->data.heapHandle);
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MEMFreeToExpHeap((MEMHeapHandle) plugin->data.heapHandle, plugin->data.buffer);
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} else {
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DEBUG_FUNCTION_LINE("########################");
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DEBUG_FUNCTION_LINE("Failed to free memory from plugin");
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DEBUG_FUNCTION_LINE("########################");
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}
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plugin->data.buffer = nullptr;
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plugin->data.bufferLength = 0;
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} else {
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DEBUG_FUNCTION_LINE("Plugin has no copy of elf saved in memory, can't free it");
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}
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}
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if (plugin->info.allocatedTextMemoryAddress != nullptr) {
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MEMFreeToExpHeap((MEMHeapHandle) pluginHeap, plugin->info.allocatedTextMemoryAddress);
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DEBUG_FUNCTION_LINE_VERBOSE("Deleted allocated .text section for plugin %s [%08X]", plugin->meta.name, plugin->info.allocatedTextMemoryAddress);
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}
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if (plugin->info.allocatedDataMemoryAddress != nullptr) {
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MEMFreeToExpHeap((MEMHeapHandle) pluginHeap, plugin->info.allocatedDataMemoryAddress);
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DEBUG_FUNCTION_LINE_VERBOSE("Deleted allocated .data section for plugin %s [%08X]", plugin->meta.name, plugin->info.allocatedDataMemoryAddress);
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}
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for (uint32_t i = 0; i < gTrampolineDataSize; i++) {
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auto trampoline = &(gTrampolineData[i]);
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if (trampoline->id == plugin->info.trampolineId) {
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trampoline->id = 0;
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trampoline->status = RELOC_TRAMP_FREE;
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}
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}
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}
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memset((void *) pluginInformation, 0, sizeof(plugin_information_t));
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}
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void PluginManagement::callInitHooks(plugin_information_t *pluginInformation) {
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_STORAGE);
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CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_PLUGIN);
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DEBUG_FUNCTION_LINE_VERBOSE("Done calling init hooks");
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}
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void module_callback(OSDynLoad_Module module,
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void *userContext,
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OSDynLoad_NotifyReason reason,
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OSDynLoad_NotifyData *infos) {
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if (reason == OS_DYNLOAD_NOTIFY_LOADED) {
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auto *pluginInformation = (plugin_information_t *) userContext;
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for (int32_t plugin_index = 0; plugin_index < pluginInformation->number_used_plugins; plugin_index++) {
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FunctionPatcherPatchFunction(pluginInformation->plugin_data[plugin_index].info.functions, pluginInformation->plugin_data[plugin_index].info.number_used_functions);
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}
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}
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}
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void PluginManagement::PatchFunctionsAndCallHooks(plugin_information_t *pluginInformation) {
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DEBUG_FUNCTION_LINE_VERBOSE("Patching functions");
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FunctionPatcherPatchFunction(method_hooks_hooks_static, method_hooks_size_hooks_static);
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DCFlushRange((void *) 0x00800000, 0x00800000);
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ICInvalidateRange((void *) 0x00800000, 0x00800000);
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for (int32_t plugin_index = 0; plugin_index < pluginInformation->number_used_plugins; plugin_index++) {
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CallHookEx(pluginInformation, WUPS_LOADER_HOOK_APPLICATION_STARTS, plugin_index);
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FunctionPatcherPatchFunction(pluginInformation->plugin_data[plugin_index].info.functions, pluginInformation->plugin_data[plugin_index].info.number_used_functions);
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CallHookEx(pluginInformation, WUPS_LOADER_HOOK_FUNCTIONS_PATCHED, plugin_index);
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}
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OSDynLoad_AddNotifyCallback(module_callback, pluginInformation);
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}
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std::vector<std::shared_ptr<PluginContainer>>
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PluginManagement::loadPlugins(const std::vector<std::shared_ptr<PluginData>> &pluginList, MEMHeapHandle heapHandle, relocation_trampoline_entry_t *trampoline_data, uint32_t trampoline_data_length) {
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std::vector<std::shared_ptr<PluginContainer>> plugins;
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for (auto &pluginData : pluginList) {
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DEBUG_FUNCTION_LINE_VERBOSE("Load meta information");
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auto metaInfo = PluginMetaInformationFactory::loadPlugin(pluginData);
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if (metaInfo) {
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auto container = std::make_shared<PluginContainer>();
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container->setMetaInformation(metaInfo.value());
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container->setPluginData(pluginData);
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plugins.push_back(container);
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} else {
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DEBUG_FUNCTION_LINE("Failed to get meta information");
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}
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}
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uint32_t trampolineID = 0;
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for (auto &pluginContainer : plugins) {
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auto info = PluginInformationFactory::load(pluginContainer->getPluginData(), heapHandle, trampoline_data, trampoline_data_length, trampolineID++);
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if (!info) {
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DEBUG_FUNCTION_LINE("Failed to load Plugin %s", pluginContainer->getMetaInformation()->getName().c_str());
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continue;
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}
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pluginContainer->setPluginInformation(info.value());
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}
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return plugins;
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}
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