forked from OSchip/llvm-project
54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
//===--- XRayFunctionFilter.cpp - XRay automatic-attribution --------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// User-provided filters for always/never XRay instrumenting certain functions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#include "clang/Basic/XRayLists.h"
|
|
|
|
using namespace clang;
|
|
|
|
XRayFunctionFilter::XRayFunctionFilter(
|
|
ArrayRef<std::string> AlwaysInstrumentPaths,
|
|
ArrayRef<std::string> NeverInstrumentPaths, SourceManager &SM)
|
|
: AlwaysInstrument(
|
|
llvm::SpecialCaseList::createOrDie(AlwaysInstrumentPaths)),
|
|
NeverInstrument(llvm::SpecialCaseList::createOrDie(NeverInstrumentPaths)),
|
|
SM(SM) {}
|
|
|
|
XRayFunctionFilter::ImbueAttribute
|
|
XRayFunctionFilter::shouldImbueFunction(StringRef FunctionName) const {
|
|
// First apply the always instrument list, than if it isn't an "always" see
|
|
// whether it's treated as a "never" instrument function.
|
|
if (AlwaysInstrument->inSection("fun", FunctionName))
|
|
return ImbueAttribute::ALWAYS;
|
|
if (NeverInstrument->inSection("fun", FunctionName))
|
|
return ImbueAttribute::NEVER;
|
|
return ImbueAttribute::NONE;
|
|
}
|
|
|
|
XRayFunctionFilter::ImbueAttribute
|
|
XRayFunctionFilter::shouldImbueFunctionsInFile(StringRef Filename,
|
|
StringRef Category) const {
|
|
if (AlwaysInstrument->inSection("src", Filename, Category))
|
|
return ImbueAttribute::ALWAYS;
|
|
if (NeverInstrument->inSection("src", Filename, Category))
|
|
return ImbueAttribute::NEVER;
|
|
return ImbueAttribute::NONE;
|
|
}
|
|
|
|
XRayFunctionFilter::ImbueAttribute
|
|
XRayFunctionFilter::shouldImbueLocation(SourceLocation Loc,
|
|
StringRef Category) const {
|
|
if (!Loc.isValid())
|
|
return ImbueAttribute::NONE;
|
|
return this->shouldImbueFunctionsInFile(SM.getFilename(SM.getFileLoc(Loc)),
|
|
Category);
|
|
}
|