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fix: correct resolving external functions dependencies

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respect scenario when dependency comes from separate module

Related-To: NEO-15211
Signed-off-by: Mateusz Jablonski <mateusz.jablonski@intel.com>
This commit is contained in:
Mateusz Jablonski
2025-09-17 14:53:36 +00:00
committed by Compute-Runtime-Automation
parent a0ff19823b
commit 8310b10987
3 changed files with 114 additions and 16 deletions
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48
shared/source/compiler_interface/linker.cpp
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@@ -297,21 +297,41 @@ void LinkerInput::decodeElfSymbolTableAndRelocations(Elf::Elf<numBits> &elf, con
}
void LinkerInput::parseRelocationForExtFuncUsage(const RelocationInfo &relocInfo, const std::string &kernelName) {
auto extFuncSymIt = std::find_if(extFuncSymbols.begin(), extFuncSymbols.end(), [relocInfo](auto &pair) {
return pair.first == relocInfo.symbolName;
});
if (extFuncSymIt != extFuncSymbols.end()) {
if (kernelName == Zebin::Elf::SectionNames::externalFunctions.str()) {
auto callerIt = std::find_if(extFuncSymbols.begin(), extFuncSymbols.end(), [relocInfo](auto &pair) {
auto &symbol = pair.second;
return relocInfo.offset >= symbol.offset && relocInfo.offset < symbol.offset + symbol.size;
});
if (callerIt != extFuncSymbols.end()) {
extFunDependencies.push_back({relocInfo.symbolName, callerIt->first});
}
} else {
kernelDependencies.push_back({relocInfo.symbolName, kernelName});
auto shouldIgnoreRelocation = [&](const RelocationInfo &relocInfo) {
if (relocInfo.symbolName.empty()) {
return true;
}
// ignore relocations for non-instruction symbols
if (std::find_if(symbols.begin(), symbols.end(), [relocInfo](auto &pair) {
auto &symbol = pair.second;
return relocInfo.symbolName == pair.first && symbol.segment != SegmentType::instructions;
}) != symbols.end()) {
return true;
}
for (auto specialRelocationName : {implicitArgsRelocationSymbolName, Linker::perThreadOff, Linker::subDeviceID}) {
if (relocInfo.symbolName == specialRelocationName) {
return true;
}
}
return false;
};
if (shouldIgnoreRelocation(relocInfo)) {
return;
}
if (kernelName == Zebin::Elf::SectionNames::externalFunctions.str()) {
auto callerIt = std::find_if(extFuncSymbols.begin(), extFuncSymbols.end(), [relocInfo](auto &pair) {
auto &symbol = pair.second;
return relocInfo.offset >= symbol.offset && relocInfo.offset < symbol.offset + symbol.size;
});
if (callerIt != extFuncSymbols.end()) {
extFunDependencies.push_back({relocInfo.symbolName, callerIt->first});
}
} else {
kernelDependencies.push_back({relocInfo.symbolName, kernelName});
}
}