mirror of
https://github.com/wiiu-env/WUMSLoader.git
synced 2024-11-14 04:05:08 +01:00
Keep track of acquired RPLs and memory, release/free them if needed
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parent
83c659369f
commit
7919e7184d
@ -1,5 +1,5 @@
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FROM wiiuenv/devkitppc:20220806
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FROM wiiuenv/devkitppc:20220917
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COPY --from=wiiuenv/wiiumodulesystem:20220904 /artifacts $DEVKITPRO
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COPY --from=wiiuenv/wiiumodulesystem:20221005 /artifacts $DEVKITPRO
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WORKDIR project
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@ -40,10 +40,37 @@ extern "C" int _start(int argc, char **argv) {
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return ((int (*)(int, char **))(*(unsigned int *) 0x1005E040))(argc, argv);
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}
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void SaveLoadedRPLsInGlobalInformation(module_information_t *globalInformation,
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std::vector<OSDynLoad_Module> loadedRPLs) {
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// free previous allocations.
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if (globalInformation->acquired_rpls) {
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free(globalInformation->acquired_rpls);
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}
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globalInformation->number_acquired_rpls = loadedRPLs.size();
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globalInformation->acquired_rpls = (uint32_t *) malloc(loadedRPLs.size() * sizeof(uint32_t));
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if (!globalInformation->acquired_rpls) {
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OSFatal("Failed to allocate memory");
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}
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uint32_t i = 0;
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for (auto &rpl : loadedRPLs) {
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globalInformation->acquired_rpls[i] = (uint32_t) rpl;
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++i;
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}
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}
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void doStart(int argc, char **argv) {
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init_wut();
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initLogging();
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gLoadedRPLs.clear();
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// If an allocated rpl was not released properly (e.g. if something else calls OSDynload_Acquire without releasing it)
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// memory gets leaked. Let's clean this up!
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for (auto &addr : gAllocatedAddresses) {
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DEBUG_FUNCTION_LINE_WARN("Memory allocated by OSDynload was not freed properly, let's clean it up! (%08X)", addr);
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free((void *) addr);
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}
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gAllocatedAddresses.clear();
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if (!gInitCalled) {
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gInitCalled = 1;
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@ -108,7 +135,7 @@ void doStart(int argc, char **argv) {
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}
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DEBUG_FUNCTION_LINE_VERBOSE("Resolve relocations without replacing alloc functions");
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ResolveRelocations(gLoadedModules, true);
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ResolveRelocations(gLoadedModules, true, gLoadedRPLs);
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for (auto &curModule : gLoadedModules) {
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if (curModule->isInitBeforeRelocationDoneHook()) {
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@ -126,10 +153,12 @@ void doStart(int argc, char **argv) {
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}
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} else {
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DEBUG_FUNCTION_LINE("Resolve relocations and replace alloc functions");
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ResolveRelocations(gLoadedModules, false);
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ResolveRelocations(gLoadedModules, false, gLoadedRPLs);
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CallHook(gLoadedModules, WUMS_HOOK_RELOCATIONS_DONE);
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}
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SaveLoadedRPLsInGlobalInformation(&gModuleInformation, gLoadedRPLs);
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CallHook(gLoadedModules, WUMS_HOOK_INIT_WUT_DEVOPTAB);
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CallHook(gLoadedModules, WUMS_HOOK_INIT_WUT_SOCKETS);
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CallHook(gLoadedModules, WUMS_HOOK_APPLICATION_STARTS);
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@ -5,3 +5,6 @@ uint8_t gInitCalled __attribute__((section(".data"))) = 0;
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module_information_t gModuleInformation __attribute__((section(".data")));
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std::vector<std::shared_ptr<ModuleData>> gLoadedModules __attribute__((section(".data")));
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std::unique_ptr<module_information_single_t[]> gModuleDataInfo __attribute__((section(".data")));
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std::vector<OSDynLoad_Module> gLoadedRPLs __attribute__((section(".data")));
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std::vector<void *> gAllocatedAddresses __attribute__((section(".data")));
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@ -1,6 +1,7 @@
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#pragma once
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#include "module/ModuleData.h"
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#include <coreinit/dynload.h>
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#include <coreinit/memheap.h>
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#include <cstdint>
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#include <memory>
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@ -10,6 +11,8 @@ extern MEMHeapHandle gHeapHandle;
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extern module_information_t gModuleInformation;
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extern std::vector<std::shared_ptr<ModuleData>> gLoadedModules;
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extern std::unique_ptr<module_information_single_t[]> gModuleDataInfo;
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extern std::vector<OSDynLoad_Module> gLoadedRPLs;
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extern std::vector<void *> gAllocatedAddresses;
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#define MEMORY_REGION_START 0x00800000
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#define MEMORY_REGION_SIZE 0x00800000
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@ -1,10 +1,13 @@
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#include "RelocationUtils.h"
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#include "ElfUtils.h"
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#include "globals.h"
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#include "malloc.h"
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#include "utils/ElfUtils.h"
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#include "utils/memory.h"
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#include "memory.h"
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#include <algorithm>
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#include <coreinit/cache.h>
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#include <coreinit/dynload.h>
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#include <iostream>
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#include <iterator>
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#include <malloc.h>
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#include <vector>
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static OSDynLoad_Error CustomDynLoadAlloc(int32_t size, int32_t align, void **outAddr) {
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if (!outAddr) {
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@ -21,14 +24,23 @@ static OSDynLoad_Error CustomDynLoadAlloc(int32_t size, int32_t align, void **ou
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return OS_DYNLOAD_OUT_OF_MEMORY;
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}
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// keep track of allocated memory to clean it up in case the RPLs won't get unloaded properly
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gAllocatedAddresses.push_back(*outAddr);
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return OS_DYNLOAD_OK;
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}
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static void CustomDynLoadFree(void *addr) {
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free(addr);
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// Remove from list
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auto it = std::find(gAllocatedAddresses.begin(), gAllocatedAddresses.end(), addr);
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if (it != gAllocatedAddresses.end()) {
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gAllocatedAddresses.erase(it);
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}
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}
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bool ResolveRelocations(std::vector<std::shared_ptr<ModuleData>> &loadedModules, bool skipMemoryMappingModule) {
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bool ResolveRelocations(std::vector<std::shared_ptr<ModuleData>> &loadedModules, bool skipMemoryMappingModule, std::vector<OSDynLoad_Module> &loadedRPLs) {
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bool wasSuccessful = true;
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OSDynLoadAllocFn prevDynLoadAlloc = nullptr;
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@ -48,10 +60,10 @@ bool ResolveRelocations(std::vector<std::shared_ptr<ModuleData>> &loadedModules,
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// Afterwards we can just rely on the custom heap.
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bool skipAllocFunction = skipMemoryMappingModule && (std::string_view(curModule->getExportName()) == "homebrew_memorymapping");
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DEBUG_FUNCTION_LINE_VERBOSE("Skip alloc replace? %d", skipAllocFunction);
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if (!doRelocation(gLoadedModules, relocData, nullptr, 0, skipAllocFunction)) {
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if (!doRelocation(gLoadedModules, relocData, nullptr, 0, skipAllocFunction, loadedRPLs)) {
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wasSuccessful = false;
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DEBUG_FUNCTION_LINE_ERR("Failed to do Relocations for %s", curModule->getExportName().c_str());
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OSFatal("Failed to do Reloations");
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OSFatal("Failed to do Relocations");
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}
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}
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OSDynLoad_SetAllocator(prevDynLoadAlloc, prevDynLoadFree);
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@ -66,7 +78,8 @@ bool doRelocation(const std::vector<std::shared_ptr<ModuleData>> &moduleList,
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const std::vector<std::unique_ptr<RelocationData>> &relocData,
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relocation_trampoline_entry_t *tramp_data,
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uint32_t tramp_length,
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bool skipAllocReplacement) {
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bool skipAllocReplacement,
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std::vector<OSDynLoad_Module> &loadedRPLs) {
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std::map<std::string, OSDynLoad_Module> moduleCache;
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for (auto const &curReloc : relocData) {
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auto &functionName = curReloc->getName();
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@ -106,6 +119,8 @@ bool doRelocation(const std::vector<std::shared_ptr<ModuleData>> &moduleList,
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DEBUG_FUNCTION_LINE_ERR("Failed to acquire %s", rplName.c_str());
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return false;
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}
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// Keep track RPLs we have acquired, they will be released on exit (see: AromaBaseModule)
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loadedRPLs.push_back(rplHandle);
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}
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moduleCache[rplName] = rplHandle;
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}
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@ -1,12 +1,15 @@
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#pragma once
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#include "module/ModuleData.h"
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#include <coreinit/dynload.h>
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#include <vector>
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bool ResolveRelocations(std::vector<std::shared_ptr<ModuleData>> &loadedModules,
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bool skipMemoryMappingModule);
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bool skipMemoryMappingModule,
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std::vector<OSDynLoad_Module> &loadedRPLs);
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bool doRelocation(const std::vector<std::shared_ptr<ModuleData>> &moduleList,
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const std::vector<std::unique_ptr<RelocationData>> &relocData,
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relocation_trampoline_entry_t *tramp_data,
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uint32_t tramp_length,
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bool skipAllocReplacement);
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bool skipAllocReplacement,
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std::vector<OSDynLoad_Module> &loadedRPLs);
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