================
@@ -163,3 +163,87 @@ Error
GenericGlobalHandlerTy::readGlobalFromImage(GenericDeviceTy &Device,
return Plugin::success();
}
+
+bool GenericGlobalHandlerTy::hasProfilingGlobals(GenericDeviceTy &Device,
+ DeviceImageTy &Image) {
+ GlobalTy global(getInstrProfNamesVarName().str(), 0);
+ if (auto Err = getGlobalMetadataFromImage(Device, Image, global)) {
+ consumeError(std::move(Err));
+ return false;
+ }
+ return true;
+}
+
+Expected<GPUProfGlobals>
+GenericGlobalHandlerTy::readProfilingGlobals(GenericDeviceTy &Device,
+ DeviceImageTy &Image) {
+ GPUProfGlobals profdata;
+ auto ELFObj = getELFObjectFile(Image);
+ if (!ELFObj)
+ return ELFObj.takeError();
+ profdata.targetTriple = ELFObj->makeTriple();
+ // Iterate through elf symbols
+ for (auto &sym : ELFObj->symbols()) {
+ if (auto name = sym.getName()) {
+ // Check if given current global is a profiling global based
+ // on name
+ if (name->equals(getInstrProfNamesVarName())) {
+ // Read in profiled function names
+ std::vector<char> chars(sym.getSize() / sizeof(char), ' ');
+ GlobalTy NamesGlobal(name->str(), sym.getSize(), chars.data());
+ if (auto Err = readGlobalFromDevice(Device, Image, NamesGlobal))
+ return Err;
+ std::string names(chars.begin(), chars.end());
+ profdata.names = std::move(names);
+ } else if (name->starts_with(getInstrProfCountersVarPrefix())) {
----------------
jhuber6 wrote:
Are the `getInstrProfCountersVarPrefix` function preexisting? I don't see them
defined in this patch set.
https://github.com/llvm/llvm-project/pull/76587
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