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Use alloc/free from memorymapping module if possible

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This commit is contained in:
Maschell 2020-06-03 18:22:44 +02:00
parent b2562f6275
commit cfc2d4197e
1 changed files with 27 additions and 10 deletions
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37
source/PluginManagement.cpp
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@ -12,19 +12,36 @@
bool PluginManagement::doRelocation(const std::vector<RelocationData> &relocData, relocation_trampolin_entry_t *tramp_data, uint32_t tramp_length, uint32_t trampolinID) { bool PluginManagement::doRelocation(const std::vector<RelocationData> &relocData, relocation_trampolin_entry_t *tramp_data, uint32_t tramp_length, uint32_t trampolinID) {
std::map<std::string, OSDynLoad_Module> moduleHandleCache; std::map<std::string, OSDynLoad_Module> moduleHandleCache;
for (auto const &cur : relocData) { for (auto const &cur : relocData) {
uint32_t functionAddress = 0;
std::string functionName = cur.getName(); std::string functionName = cur.getName();
std::string rplName = cur.getImportRPLInformation().getName();
int32_t isData = cur.getImportRPLInformation().isData(); if (functionName.compare("MEMAllocFromDefaultHeap") == 0) {
OSDynLoad_Module rplHandle = 0; OSDynLoad_Module rplHandle;
if (moduleHandleCache.count(rplName) > 0) { OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
rplHandle = moduleHandleCache[rplName]; OSDynLoad_FindExport(rplHandle, 1, "MEMAllocFromMappedMemory", (void **) &functionAddress);
} else { } else if (functionName.compare("MEMAllocFromDefaultHeapEx") == 0) {
OSDynLoad_Acquire(rplName.c_str(), &rplHandle); OSDynLoad_Module rplHandle;
moduleHandleCache[rplName] = rplHandle; OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
OSDynLoad_FindExport(rplHandle, 1, "MEMAllocFromMappedMemoryEx", (void **) &functionAddress);
} else if (functionName.compare("MEMFreeToDefaultHeap") == 0) {
OSDynLoad_Module rplHandle;
OSDynLoad_Acquire("homebrew_memorymapping", &rplHandle);
OSDynLoad_FindExport(rplHandle, 1, "MEMFreeToMappedMemory", (void **) &functionAddress);
}
if (functionAddress == 0) {
std::string rplName = cur.getImportRPLInformation().getName();
int32_t isData = cur.getImportRPLInformation().isData();
OSDynLoad_Module rplHandle = 0;
if (moduleHandleCache.count(rplName) > 0) {
rplHandle = moduleHandleCache[rplName];
} else {
OSDynLoad_Acquire(rplName.c_str(), &rplHandle);
moduleHandleCache[rplName] = rplHandle;
}
OSDynLoad_FindExport(rplHandle, isData, functionName.c_str(), (void **) &functionAddress);
} }
uint32_t functionAddress = 0;
OSDynLoad_FindExport(rplHandle, isData, functionName.c_str(), (void **) &functionAddress);
if (functionAddress == 0) { if (functionAddress == 0) {
DEBUG_FUNCTION_LINE("Failed to find export for %s", functionName.c_str()); DEBUG_FUNCTION_LINE("Failed to find export for %s", functionName.c_str());
return false; return false;