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Add FunctionPatcherRestoreFunctions

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This commit is contained in:
Maschell 2020-06-12 21:10:59 +02:00
parent a4a58c7857
commit 64a2b952ba
3 changed files with 40 additions and 0 deletions
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37
source/function_patcher.cpp
View File

@ -197,6 +197,43 @@ void FunctionPatcherPatchFunction(function_replacement_data_t *replacements, uin
}
void FunctionPatcherRestoreFunctions(function_replacement_data_t *replacements, uint32_t size) {
DEBUG_FUNCTION_LINE("Restoring given functions!\n");
for (uint32_t i = 0; i < size; i++) {
DEBUG_FUNCTION_LINE("Restoring %s... ", replacements[i].function_name);
if (replacements[i].restoreInstruction == 0 || replacements[i].realAddr == 0) {
DEBUG_FUNCTION_LINE("I dont have the information for the restore =( skip");
continue;
}
uint32_t physical = (uint32_t) OSEffectiveToPhysical(replacements[i].realAddr);
if (isDynamicFunction(physical)) {
WHBLogPrintf("Its a dynamic function. We don't need to restore it!\n", replacements[i].function_name);
} else {
if (DEBUG_LOG_DYN) {
DEBUG_FUNCTION_LINE("Restoring %08X to %08X\n", (uint32_t) replacements[i].restoreInstruction, replacements[i].realAddr);
}
uint32_t targetAddr = (uint32_t) &replacements[i].restoreInstruction;
targetAddr = (uint32_t) OSEffectiveToPhysical(targetAddr);
if (targetAddr == 0 && (targetAddr >= 0x00800000 || targetAddr < 0x01000000)) {
targetAddr = targetAddr + 0x30800000 - 0x00800000;
}
KernelCopyData(physical, targetAddr, 4);
if (DEBUG_LOG_DYN) {
DEBUG_FUNCTION_LINE("ICInvalidateRange %08X\n", (void *) replacements[i].realAddr);
}
ICInvalidateRange((void *) replacements[i].realAddr, 4);
WHBLogPrintf("done\n");
}
replacements[i].alreadyPatched = 0; // In case a
}
DEBUG_FUNCTION_LINE("Done with restoring given functions!\n");
}
bool isDynamicFunction(uint32_t physicalAddress) {
if ((physicalAddress & 0x80000000) == 0x80000000) {
return 1;

2
source/function_patcher.h
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@ -14,6 +14,8 @@ typedef struct rpl_handling {
void FunctionPatcherPatchFunction(function_replacement_data_t *replacements, uint32_t size);
void FunctionPatcherRestoreFunctions(function_replacement_data_t *replacements, uint32_t size);
void FunctionPatcherResetLibHandles();
uint32_t getAddressOfFunction(char * functionName, function_replacement_library_type_t type);

1
source/main.cpp
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@ -13,3 +13,4 @@ WUMS_APPLICATION_STARTS() {
}
WUMS_EXPORT_FUNCTION(FunctionPatcherPatchFunction);
WUMS_EXPORT_FUNCTION(FunctionPatcherRestoreFunctions);