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-exception
6 //
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
21 using namespace lldb;
22 using namespace lldb_private;
23 using namespace llvm;
24
SBTrace()25 SBTrace::SBTrace() { LLDB_INSTRUMENT_VA(this); }
26
SBTrace(const lldb::TraceSP & trace_sp)27 SBTrace::SBTrace(const lldb::TraceSP &trace_sp) : m_opaque_sp(trace_sp) {
28 LLDB_INSTRUMENT_VA(this, trace_sp);
29 }
30
LoadTraceFromFile(SBError & error,SBDebugger & debugger,const SBFileSpec & trace_description_file)31 SBTrace 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.SetErrorString(toString(trace_or_err.takeError()).c_str());
40 return SBTrace();
41 }
42
43 return SBTrace(trace_or_err.get());
44 }
45
SaveToDisk(SBError & error,const SBFileSpec & bundle_dir,bool compact)46 SBFileSpec SBTrace::SaveToDisk(SBError &error, const SBFileSpec &bundle_dir,
47 bool compact) {
48 LLDB_INSTRUMENT_VA(this, error, bundle_dir, compact);
49
50 error.Clear();
51 SBFileSpec file_spec;
52
53 if (!m_opaque_sp)
54 error.SetErrorString("error: invalid trace");
55 else if (Expected<FileSpec> desc_file =
56 m_opaque_sp->SaveToDisk(bundle_dir.ref(), compact))
57 file_spec.SetFileSpec(*desc_file);
58 else
59 error.SetErrorString(llvm::toString(desc_file.takeError()).c_str());
60
61 return file_spec;
62 }
63
GetStartConfigurationHelp()64 const char *SBTrace::GetStartConfigurationHelp() {
65 LLDB_INSTRUMENT_VA(this);
66 return m_opaque_sp ? m_opaque_sp->GetStartConfigurationHelp() : nullptr;
67 }
68
Start(const SBStructuredData & configuration)69 SBError SBTrace::Start(const SBStructuredData &configuration) {
70 LLDB_INSTRUMENT_VA(this, configuration);
71 SBError error;
72 if (!m_opaque_sp)
73 error.SetErrorString("error: invalid trace");
74 else if (llvm::Error err =
75 m_opaque_sp->Start(configuration.m_impl_up->GetObjectSP()))
76 error.SetErrorString(llvm::toString(std::move(err)).c_str());
77 return error;
78 }
79
Start(const SBThread & thread,const SBStructuredData & configuration)80 SBError SBTrace::Start(const SBThread &thread,
81 const SBStructuredData &configuration) {
82 LLDB_INSTRUMENT_VA(this, thread, configuration);
83
84 SBError error;
85 if (!m_opaque_sp)
86 error.SetErrorString("error: invalid trace");
87 else {
88 if (llvm::Error err =
89 m_opaque_sp->Start(std::vector<lldb::tid_t>{thread.GetThreadID()},
90 configuration.m_impl_up->GetObjectSP()))
91 error.SetErrorString(llvm::toString(std::move(err)).c_str());
92 }
93
94 return error;
95 }
96
Stop()97 SBError SBTrace::Stop() {
98 LLDB_INSTRUMENT_VA(this);
99 SBError error;
100 if (!m_opaque_sp)
101 error.SetErrorString("error: invalid trace");
102 else if (llvm::Error err = m_opaque_sp->Stop())
103 error.SetErrorString(llvm::toString(std::move(err)).c_str());
104 return error;
105 }
106
Stop(const SBThread & thread)107 SBError SBTrace::Stop(const SBThread &thread) {
108 LLDB_INSTRUMENT_VA(this, thread);
109 SBError error;
110 if (!m_opaque_sp)
111 error.SetErrorString("error: invalid trace");
112 else if (llvm::Error err = m_opaque_sp->Stop({thread.GetThreadID()}))
113 error.SetErrorString(llvm::toString(std::move(err)).c_str());
114 return error;
115 }
116
IsValid()117 bool SBTrace::IsValid() {
118 LLDB_INSTRUMENT_VA(this);
119 return this->operator bool();
120 }
121
operator bool() const122 SBTrace::operator bool() const {
123 LLDB_INSTRUMENT_VA(this);
124 return (bool)m_opaque_sp;
125 }
126