llvm-project/clang/lib/Basic/XRayInstr.cpp

61 lines
2.0 KiB
C++

//===--- XRayInstr.cpp ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is part of XRay, a function call instrumentation system.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/XRayInstr.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringSwitch.h"
namespace clang {
XRayInstrMask parseXRayInstrValue(StringRef Value) {
XRayInstrMask ParsedKind =
llvm::StringSwitch<XRayInstrMask>(Value)
.Case("all", XRayInstrKind::All)
.Case("custom", XRayInstrKind::Custom)
.Case("function",
XRayInstrKind::FunctionEntry | XRayInstrKind::FunctionExit)
.Case("function-entry", XRayInstrKind::FunctionEntry)
.Case("function-exit", XRayInstrKind::FunctionExit)
.Case("typed", XRayInstrKind::Typed)
.Case("none", XRayInstrKind::None)
.Default(XRayInstrKind::None);
return ParsedKind;
}
void serializeXRayInstrValue(XRayInstrSet Set,
SmallVectorImpl<StringRef> &Values) {
if (Set.Mask == XRayInstrKind::All) {
Values.push_back("all");
return;
}
if (Set.Mask == XRayInstrKind::None) {
Values.push_back("none");
return;
}
if (Set.has(XRayInstrKind::Custom))
Values.push_back("custom");
if (Set.has(XRayInstrKind::Typed))
Values.push_back("typed");
if (Set.has(XRayInstrKind::FunctionEntry) &&
Set.has(XRayInstrKind::FunctionExit))
Values.push_back("function");
else if (Set.has(XRayInstrKind::FunctionEntry))
Values.push_back("function-entry");
else if (Set.has(XRayInstrKind::FunctionExit))
Values.push_back("function-exit");
}
} // namespace clang