6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
//===-- Instrumentation.h ---------------------------------------*- C++ -*-===//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_UTILITY_INSTRUMENTATION_H
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#define LLDB_UTILITY_INSTRUMENTATION_H
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/Log.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/ErrorHandling.h"
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#include <map>
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#include <thread>
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#include <type_traits>
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namespace lldb_private {
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namespace instrumentation {
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template <typename T, std::enable_if_t<std::is_fundamental<T>::value, int> = 0>
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inline void stringify_append(llvm::raw_string_ostream &ss, const T &t) {
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ss << t;
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}
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template <typename T, std::enable_if_t<!std::is_fundamental<T>::value, int> = 0>
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inline void stringify_append(llvm::raw_string_ostream &ss, const T &t) {
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ss << &t;
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}
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template <typename T>
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inline void stringify_append(llvm::raw_string_ostream &ss, T *t) {
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ss << reinterpret_cast<void *>(t);
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}
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template <typename T>
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inline void stringify_append(llvm::raw_string_ostream &ss, const T *t) {
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ss << reinterpret_cast<const void *>(t);
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}
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template <>
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inline void stringify_append<char>(llvm::raw_string_ostream &ss,
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const char *t) {
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ss << '\"' << t << '\"';
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}
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template <>
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inline void stringify_append<std::nullptr_t>(llvm::raw_string_ostream &ss,
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const std::nullptr_t &t) {
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ss << "\"nullptr\"";
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}
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template <typename Head>
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inline void stringify_helper(llvm::raw_string_ostream &ss, const Head &head) {
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stringify_append(ss, head);
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}
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template <typename Head, typename... Tail>
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inline void stringify_helper(llvm::raw_string_ostream &ss, const Head &head,
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const Tail &...tail) {
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stringify_append(ss, head);
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ss << ", ";
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stringify_helper(ss, tail...);
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}
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template <typename... Ts> inline std::string stringify_args(const Ts &...ts) {
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std::string buffer;
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llvm::raw_string_ostream ss(buffer);
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stringify_helper(ss, ts...);
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return ss.str();
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}
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/// RAII object for instrumenting LLDB API functions.
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class Instrumenter {
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public:
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Instrumenter(llvm::StringRef pretty_func, std::string &&pretty_args = {});
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~Instrumenter();
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private:
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void UpdateBoundary();
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llvm::StringRef m_pretty_func;
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/// Whether this function call was the one crossing the API boundary.
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bool m_local_boundary = false;
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};
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} // namespace instrumentation
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} // namespace lldb_private
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#define LLDB_INSTRUMENT() \
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lldb_private::instrumentation::Instrumenter _instr(LLVM_PRETTY_FUNCTION);
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#define LLDB_INSTRUMENT_VA(...) \
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lldb_private::instrumentation::Instrumenter _instr( \
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LLVM_PRETTY_FUNCTION, \
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lldb_private::instrumentation::stringify_args(__VA_ARGS__));
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#endif // LLDB_UTILITY_INSTRUMENTATION_H
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