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Add a function to unload all plugins from memory in the PluginManagement

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This commit is contained in:
Maschell 2020-05-03 14:16:11 +02:00
parent ead8b14f98
commit 0a4652c10a
2 changed files with 37 additions and 0 deletions
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35
source/PluginManagement.cpp
View File

@ -67,6 +67,41 @@ void PluginManagement::memsetBSS(const std::vector<PluginContainer> &plugins) {
} }
} }
void PluginManagement::unloadPlugins(plugin_information_t *gPluginInformation, MEMHeapHandle pluginHeap) {
for (int32_t plugin_index = 0; plugin_index < gPluginInformation->number_used_plugins; plugin_index++) {
DEBUG_FUNCTION_LINE();
plugin_information_single_t *plugin = &(gPluginInformation->plugin_data[plugin_index]);
if (plugin->data.buffer != nullptr) {
if (plugin->data.memoryType == eMemTypeMEM2) {
DEBUG_FUNCTION_LINE("free %08X", plugin->data.buffer);
free(plugin->data.buffer);
} else if (plugin->data.memoryType == eMemTypeExpHeap) {
DEBUG_FUNCTION_LINE("free %08X on EXP heap %08X", plugin->data.buffer, plugin->data.heapHandle);
MEMFreeToExpHeap((MEMHeapHandle) plugin->data.heapHandle, plugin->data.buffer);
} else {
DEBUG_FUNCTION_LINE("########################");
DEBUG_FUNCTION_LINE("Failed to free memory from plugin");
DEBUG_FUNCTION_LINE("########################");
}
plugin->data.bufferLength = 0;
} else {
DEBUG_FUNCTION_LINE("Plugin has no copy of elf save in memory, can't free it");
}
if (plugin->info.allocatedTextMemoryAddress != nullptr) {
MEMFreeToExpHeap((MEMHeapHandle) pluginHeap, plugin->info.allocatedTextMemoryAddress);
DEBUG_FUNCTION_LINE("Freed %08X",plugin->info.allocatedTextMemoryAddress);
}
if (plugin->info.allocatedDataMemoryAddress != nullptr) {
MEMFreeToExpHeap((MEMHeapHandle) pluginHeap, plugin->info.allocatedDataMemoryAddress);
DEBUG_FUNCTION_LINE("Freed %08X",plugin->info.allocatedDataMemoryAddress);
}
}
memset((void *) gPluginInformation, 0, sizeof(plugin_information_t));
}
void PluginManagement::callInitHooks(plugin_information_t *pluginInformation) { void PluginManagement::callInitHooks(plugin_information_t *pluginInformation) {
CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_VID_MEM); CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_VID_MEM);
CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_KERNEL); CallHook(pluginInformation, WUPS_LOADER_HOOK_INIT_KERNEL);

2
source/PluginManagement.h
View File

@ -16,4 +16,6 @@ public:
static void PatchFunctionsAndCallHooks(plugin_information_t *gPluginInformation); static void PatchFunctionsAndCallHooks(plugin_information_t *gPluginInformation);
static bool doRelocation(const std::vector<RelocationData> &relocData, relocation_trampolin_entry_t *tramp_data, uint32_t tramp_length, uint32_t trampolinID); static bool doRelocation(const std::vector<RelocationData> &relocData, relocation_trampolin_entry_t *tramp_data, uint32_t tramp_length, uint32_t trampolinID);
static void unloadPlugins(plugin_information_t * pluginInformation, MEMHeapHandle pluginHeap);
}; };