152 lines · cpp
1//===-- SBTrace.cpp -------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Target/Process.h"10#include "lldb/Utility/Instrumentation.h"11 12#include "lldb/API/SBDebugger.h"13#include "lldb/API/SBStructuredData.h"14#include "lldb/API/SBThread.h"15#include "lldb/API/SBTrace.h"16 17#include "lldb/Core/StructuredDataImpl.h"18 19#include <memory>20 21using namespace lldb;22using namespace lldb_private;23using namespace llvm;24 25SBTrace::SBTrace() { LLDB_INSTRUMENT_VA(this); }26 27SBTrace::SBTrace(const lldb::TraceSP &trace_sp) : m_opaque_sp(trace_sp) {28 LLDB_INSTRUMENT_VA(this, trace_sp);29}30 31SBTrace SBTrace::LoadTraceFromFile(SBError &error, SBDebugger &debugger,32 const SBFileSpec &trace_description_file) {33 LLDB_INSTRUMENT_VA(error, debugger, trace_description_file);34 35 Expected<lldb::TraceSP> trace_or_err = Trace::LoadPostMortemTraceFromFile(36 debugger.ref(), trace_description_file.ref());37 38 if (!trace_or_err) {39 error = Status::FromErrorString(toString(trace_or_err.takeError()).c_str());40 return SBTrace();41 }42 43 return SBTrace(trace_or_err.get());44}45 46SBTraceCursor SBTrace::CreateNewCursor(SBError &error, SBThread &thread) {47 LLDB_INSTRUMENT_VA(this, error, thread);48 49 if (!m_opaque_sp) {50 error = Status::FromErrorString("error: invalid trace");51 return SBTraceCursor();52 }53 if (!thread.get()) {54 error = Status::FromErrorString("error: invalid thread");55 return SBTraceCursor();56 }57 58 if (llvm::Expected<lldb::TraceCursorSP> trace_cursor_sp =59 m_opaque_sp->CreateNewCursor(*thread.get())) {60 return SBTraceCursor(std::move(*trace_cursor_sp));61 } else {62 error = Status::FromErrorString(63 llvm::toString(trace_cursor_sp.takeError()).c_str());64 return SBTraceCursor();65 }66}67 68SBFileSpec SBTrace::SaveToDisk(SBError &error, const SBFileSpec &bundle_dir,69 bool compact) {70 LLDB_INSTRUMENT_VA(this, error, bundle_dir, compact);71 72 error.Clear();73 SBFileSpec file_spec;74 75 if (!m_opaque_sp)76 error = Status::FromErrorString("error: invalid trace");77 else if (Expected<FileSpec> desc_file =78 m_opaque_sp->SaveToDisk(bundle_dir.ref(), compact))79 file_spec.SetFileSpec(*desc_file);80 else81 error =82 Status::FromErrorString(llvm::toString(desc_file.takeError()).c_str());83 84 return file_spec;85}86 87const char *SBTrace::GetStartConfigurationHelp() {88 LLDB_INSTRUMENT_VA(this);89 if (!m_opaque_sp)90 return nullptr;91 92 return ConstString(m_opaque_sp->GetStartConfigurationHelp()).GetCString();93}94 95SBError SBTrace::Start(const SBStructuredData &configuration) {96 LLDB_INSTRUMENT_VA(this, configuration);97 SBError error;98 if (!m_opaque_sp)99 error = Status::FromErrorString("error: invalid trace");100 else if (llvm::Error err =101 m_opaque_sp->Start(configuration.m_impl_up->GetObjectSP()))102 error = Status::FromErrorString(llvm::toString(std::move(err)).c_str());103 return error;104}105 106SBError SBTrace::Start(const SBThread &thread,107 const SBStructuredData &configuration) {108 LLDB_INSTRUMENT_VA(this, thread, configuration);109 110 SBError error;111 if (!m_opaque_sp)112 error = Status::FromErrorString("error: invalid trace");113 else {114 if (llvm::Error err =115 m_opaque_sp->Start(std::vector<lldb::tid_t>{thread.GetThreadID()},116 configuration.m_impl_up->GetObjectSP()))117 error = Status::FromErrorString(llvm::toString(std::move(err)).c_str());118 }119 120 return error;121}122 123SBError SBTrace::Stop() {124 LLDB_INSTRUMENT_VA(this);125 SBError error;126 if (!m_opaque_sp)127 error = Status::FromErrorString("error: invalid trace");128 else if (llvm::Error err = m_opaque_sp->Stop())129 error = Status::FromErrorString(llvm::toString(std::move(err)).c_str());130 return error;131}132 133SBError SBTrace::Stop(const SBThread &thread) {134 LLDB_INSTRUMENT_VA(this, thread);135 SBError error;136 if (!m_opaque_sp)137 error = Status::FromErrorString("error: invalid trace");138 else if (llvm::Error err = m_opaque_sp->Stop({thread.GetThreadID()}))139 error = Status::FromErrorString(llvm::toString(std::move(err)).c_str());140 return error;141}142 143bool SBTrace::IsValid() {144 LLDB_INSTRUMENT_VA(this);145 return this->operator bool();146}147 148SBTrace::operator bool() const {149 LLDB_INSTRUMENT_VA(this);150 return (bool)m_opaque_sp;151}152