Leahnaya/WiiUPluginLoaderBackend
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Make kernel patches a bit more robust

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This commit is contained in:
Maschell 2026-01-15 17:42:47 +01:00
parent e2eff1251c
commit 1b4b146111
1 changed files with 73 additions and 49 deletions
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122
source/patcher/hooks_patcher_static.cpp
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@ -175,68 +175,92 @@ DECL_FUNCTION(uint32_t, SC17_FindClosestSymbol,
uint32_t symbolNameBufferLength,
char *moduleNameBuffer,
uint32_t moduleNameBufferLength) {
for (const auto &plugin : gLoadedPlugins) {
if (!plugin.isLinkedAndLoaded()) {
continue;
}
const auto sectionInfo = plugin.getPluginLinkInformation().getSectionInfo(".text");
if (!sectionInfo) {
continue;
}
if (!sectionInfo->isInSection(addr)) {
continue;
}
strncpy(moduleNameBuffer, plugin.getMetaInformation().getName().c_str(), moduleNameBufferLength - 1);
if (const auto functionSymbolData = plugin.getPluginLinkInformation().getNearestFunctionSymbolData(addr)) {
strncpy(symbolNameBuffer, functionSymbolData->getName().c_str(), moduleNameBufferLength - 1);
if (outDistance) {
*outDistance = addr - reinterpret_cast<uint32_t>(functionSymbolData->getAddress());
if (symbolNameBuffer && symbolNameBufferLength > 0 && moduleNameBuffer && moduleNameBufferLength > 0) {
for (const auto &plugin : gLoadedPlugins) {
if (!plugin.isLinkedAndLoaded()) {
continue;
}
const auto sectionInfo = plugin.getPluginLinkInformation().getSectionInfo(".text");
if (!sectionInfo) {
continue;
}
if (!sectionInfo->isInSection(addr)) {
continue;
}
strncpy(moduleNameBuffer, plugin.getMetaInformation().getName().c_str(), moduleNameBufferLength - 1);
moduleNameBuffer[moduleNameBufferLength - 1] = '\0';
if (const auto functionSymbolData = plugin.getPluginLinkInformation().getNearestFunctionSymbolData(addr)) {
strncpy(symbolNameBuffer, functionSymbolData->getName().c_str(), symbolNameBufferLength - 1);
symbolNameBuffer[symbolNameBufferLength - 1] = '\0';
if (outDistance) {
*outDistance = addr - reinterpret_cast<uint32_t>(functionSymbolData->getAddress());
}
return 0;
}
strncpy(symbolNameBuffer, ".text", symbolNameBufferLength - 1);
symbolNameBuffer[symbolNameBufferLength - 1] = '\0';
if (outDistance) {
*outDistance = addr - sectionInfo->getAddress();
}
return 0;
}
strncpy(symbolNameBuffer, ".text", symbolNameBufferLength);
if (outDistance) {
*outDistance = addr - sectionInfo->getAddress();
}
return 0;
}
return real_SC17_FindClosestSymbol(addr, outDistance, symbolNameBuffer, symbolNameBufferLength, moduleNameBuffer, moduleNameBufferLength);
}
DECL_FUNCTION(uint32_t, KiGetAppSymbolName, uint32_t addr, char *buffer, int32_t bufSize) {
for (const auto &plugin : gLoadedPlugins) {
if (!plugin.isLinkedAndLoaded()) {
continue;
}
const auto sectionInfo = plugin.getPluginLinkInformation().getSectionInfo(".text");
if (!sectionInfo) {
continue;
}
if (buffer && bufSize > 0) {
for (const auto &plugin : gLoadedPlugins) {
if (!plugin.isLinkedAndLoaded()) {
continue;
}
const auto sectionInfo = plugin.getPluginLinkInformation().getSectionInfo(".text");
if (!sectionInfo) {
continue;
}
if (!sectionInfo->isInSection(addr)) {
continue;
}
if (!sectionInfo->isInSection(addr)) {
continue;
}
const auto pluginNameLen = strlen(plugin.getMetaInformation().getName().c_str());
int32_t spaceLeftInBuffer = bufSize - static_cast<int32_t>(pluginNameLen) - 1;
if (spaceLeftInBuffer < 0) {
spaceLeftInBuffer = 0;
}
strncpy(buffer, plugin.getMetaInformation().getName().c_str(), bufSize - 1);
const char *pluginName = plugin.getMetaInformation().getName().c_str();
if (const auto functionSymbolData = plugin.getPluginLinkInformation().getNearestFunctionSymbolData(addr)) {
buffer[pluginNameLen] = '|';
buffer[pluginNameLen + 1] = '\0';
strncpy(buffer + pluginNameLen + 1, functionSymbolData->getName().c_str(), spaceLeftInBuffer - 1);
}
// Copy plugin name, always leave space for '\0'
strncpy(buffer, pluginName, bufSize - 1);
buffer[bufSize - 1] = '\0';
return 0;
if (const auto functionSymbolData = plugin.getPluginLinkInformation().getNearestFunctionSymbolData(addr)) {
size_t currentLen = strlen(buffer);
if (currentLen >= static_cast<size_t>(bufSize)) {
currentLen = static_cast<size_t>(bufSize) - 1;
}
// Check if there is space for at least the separator '|' and the null terminator.
// currentLen is the index where '|' would go. currentLen + 1 is where '\0' would go.
if (currentLen + 1 < static_cast<size_t>(bufSize)) {
buffer[currentLen] = '|';
currentLen++; // Increment length to account for '|'
// Calculate remaining space for the function name.
// -1 is for the final null terminator.
size_t remainingSpace = static_cast<size_t>(bufSize) - currentLen - 1;
if (remainingSpace > 0) {
const char *funcName = functionSymbolData->getName().c_str();
strncpy(buffer + currentLen, funcName, remainingSpace);
}
buffer[bufSize - 1] = '\0';
}
}
return 0;
}
}
return real_KiGetAppSymbolName(addr, buffer, bufSize);