WiiUPluginLoaderBackend/source/main.cpp

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#include "PluginManagement.h"
#include "globals.h"
#include "hooks.h"
#include "patcher/hooks_patcher_static.h"
#include "plugin/PluginDataFactory.h"
#include "utils/utils.h"
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#include <coreinit/debug.h>
#include <wums.h>
WUMS_MODULE_EXPORT_NAME("homebrew_wupsbackend");
WUMS_USE_WUT_DEVOPTAB();
WUMS_INITIALIZE() {
initLogging();
DEBUG_FUNCTION_LINE("Patching functions");
for (uint32_t i = 0; i < method_hooks_static_size; i++) {
if (!FunctionPatcherPatchFunction(&method_hooks_static[i], nullptr)) {
OSFatal("homebrew_wupsbackend: Failed to patch function");
}
}
deinitLogging();
}
WUMS_APPLICATION_REQUESTS_EXIT() {
uint32_t upid = OSGetUPID();
if (upid != 2 && upid != 15) {
return;
}
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_APPLICATION_REQUESTS_EXIT);
}
WUMS_APPLICATION_ENDS() {
uint32_t upid = OSGetUPID();
if (upid != 2 && upid != 15) {
return;
}
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_APPLICATION_ENDS);
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_FINI_WUT_SOCKETS);
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_FINI_WUT_DEVOPTAB);
deinitLogging();
}
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WUMS_APPLICATION_STARTS() {
uint32_t upid = OSGetUPID();
if (upid != 2 && upid != 15) {
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return;
}
initLogging();
bool initNeeded = false;
std::lock_guard<std::mutex> lock(gLoadedDataMutex);
if (gTrampData == nullptr) {
gTrampData = (relocation_trampoline_entry_t *) memalign(0x4, sizeof(relocation_trampoline_entry_t) * TRAMP_DATA_SIZE);
if (gTrampData == nullptr) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocated the memory for the trampoline data");
OSFatal("Failed to allocated the memory for the trampoline data");
}
}
if (gLoadedPlugins.empty()) {
auto pluginPath = getPluginPath();
DEBUG_FUNCTION_LINE("Load plugins from %s", pluginPath.c_str());
auto pluginData = PluginDataFactory::loadDir(pluginPath);
gLoadedPlugins = PluginManagement::loadPlugins(pluginData, gTrampData, TRAMP_DATA_SIZE);
initNeeded = true;
}
if (!gLoadOnNextLaunch.empty()) {
DEBUG_FUNCTION_LINE("Restore function patches of currently loaded plugins.");
PluginManagement::RestoreFunctionPatches(gLoadedPlugins);
DEBUG_FUNCTION_LINE("Unload existing plugins.");
gLoadedPlugins.clear();
DEBUG_FUNCTION_LINE("Load new plugins");
gLoadedPlugins = PluginManagement::loadPlugins(gLoadOnNextLaunch, gTrampData, TRAMP_DATA_SIZE);
initNeeded = true;
}
DEBUG_FUNCTION_LINE("Clear plugin data lists.");
gLoadOnNextLaunch.clear();
gLoadedData.clear();
if (!gLoadedPlugins.empty()) {
if (!PluginManagement::doRelocations(gLoadedPlugins, gTrampData, TRAMP_DATA_SIZE)) {
DEBUG_FUNCTION_LINE_ERR("Relocations failed");
OSFatal("Relocations failed");
}
// PluginManagement::memsetBSS(plugins);
if (initNeeded) {
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WUT_MALLOC);
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WUT_NEWLIB);
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WUT_STDCPP);
}
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WUT_DEVOPTAB);
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WUT_SOCKETS);
if (initNeeded) {
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_INIT_WRAPPER);
}
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if (initNeeded) {
PluginManagement::callInitHooks(gLoadedPlugins);
}
CallHook(gLoadedPlugins, WUPS_LOADER_HOOK_APPLICATION_STARTS);
}
}