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[OFFLOAD][L0] Also lookup for function symbols #20771

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Merged
adurang merged 2 commits into from
Nov 28, 2025
Merged

[OFFLOAD][L0] Also lookup for function symbols #20771

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a5a0a28
[OFFLOAD][L0] Also lookup for function symbols
adurang Nov 27, 2025
5286306
Update offload/plugins-nextgen/level_zero/src/L0Program.cpp
adurang Nov 27, 2025
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1 change: 1 addition & 0 deletions offload/plugins-nextgen/level_zero/src/L0DynWrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ DLWRAP(zeMemGetAddressRange, 4)
DLWRAP(zeMemGetAllocProperties, 4)
DLWRAP(zeModuleDynamicLink, 3)
DLWRAP(zeModuleGetGlobalPointer, 4)
DLWRAP(zeModuleGetFunctionPointer, 3)
DLWRAP(zeModuleGetNativeBinary, 3)
DLWRAP(zesDeviceEnumMemoryModules, 3)
DLWRAP(zesMemoryGetState, 2)
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9 changes: 5 additions & 4 deletions offload/plugins-nextgen/level_zero/src/L0Program.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -459,19 +459,20 @@ Expected<void *> L0ProgramTy::getOffloadVarDeviceAddr(const char *CName) const {
return Plugin::error(ErrorCode::INVALID_ARGUMENT,
"Invalid arguments to getOffloadVarDeviceAddr");

std::string Name(CName);
size_t SizeDummy = 0;
void *DevicePtr = nullptr;
ze_result_t RC;
for (auto Module : Modules) {
CALL_ZE(RC, zeModuleGetGlobalPointer, Module, Name.c_str(), &SizeDummy,
CALL_ZE(RC, zeModuleGetGlobalPointer, Module, CName, &SizeDummy,
&DevicePtr);
if (RC == ZE_RESULT_SUCCESS && DevicePtr)
return DevicePtr;
CALL_ZE(RC, zeModuleGetFunctionPointer, Module, CName, &DevicePtr);
if (RC == ZE_RESULT_SUCCESS && DevicePtr)
return DevicePtr;
}
return Plugin::error(ErrorCode::INVALID_ARGUMENT,
"Global variable '%s' not found on device",
Name.c_str());
"Symbol '%s' not found on device", CName);
}

Error L0ProgramTy::readGlobalVariable(const char *Name, size_t Size,
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