1//===-- SBTrace.cpp ---------------------------------------------*- C++ -*-===//
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 "SBReproducerPrivate.h"
10#include "lldb/Target/Process.h"
11
12#include "lldb/API/SBTrace.h"
13#include "lldb/API/SBTraceOptions.h"
14
15#include <memory>
16
17using namespace lldb;
18using namespace lldb_private;
19
20class TraceImpl {
21public:
22  lldb::user_id_t uid;
23};
24
25lldb::ProcessSP SBTrace::GetSP() const { return m_opaque_wp.lock(); }
26
27size_t SBTrace::GetTraceData(SBError &error, void *buf, size_t size,
28                             size_t offset, lldb::tid_t thread_id) {
29  LLDB_RECORD_DUMMY(size_t, SBTrace, GetTraceData,
30                    (lldb::SBError &, void *, size_t, size_t, lldb::tid_t),
31                    error, buf, size, offset, thread_id);
32
33  ProcessSP process_sp(GetSP());
34  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
35  error.Clear();
36
37  if (!process_sp) {
38    error.SetErrorString("invalid process");
39  } else {
40    error.SetError(
41        process_sp->GetData(GetTraceUID(), thread_id, buffer, offset));
42  }
43  return buffer.size();
44}
45
46size_t SBTrace::GetMetaData(SBError &error, void *buf, size_t size,
47                            size_t offset, lldb::tid_t thread_id) {
48  LLDB_RECORD_DUMMY(size_t, SBTrace, GetMetaData,
49                    (lldb::SBError &, void *, size_t, size_t, lldb::tid_t),
50                    error, buf, size, offset, thread_id);
51
52  ProcessSP process_sp(GetSP());
53  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
54  error.Clear();
55
56  if (!process_sp) {
57    error.SetErrorString("invalid process");
58  } else {
59    error.SetError(
60        process_sp->GetMetaData(GetTraceUID(), thread_id, buffer, offset));
61  }
62  return buffer.size();
63}
64
65void SBTrace::StopTrace(SBError &error, lldb::tid_t thread_id) {
66  LLDB_RECORD_METHOD(void, SBTrace, StopTrace, (lldb::SBError &, lldb::tid_t),
67                     error, thread_id);
68
69  ProcessSP process_sp(GetSP());
70  error.Clear();
71
72  if (!process_sp) {
73    error.SetErrorString("invalid process");
74    return;
75  }
76  error.SetError(process_sp->StopTrace(GetTraceUID(), thread_id));
77}
78
79void SBTrace::GetTraceConfig(SBTraceOptions &options, SBError &error) {
80  LLDB_RECORD_METHOD(void, SBTrace, GetTraceConfig,
81                     (lldb::SBTraceOptions &, lldb::SBError &), options, error);
82
83  ProcessSP process_sp(GetSP());
84  error.Clear();
85
86  if (!process_sp) {
87    error.SetErrorString("invalid process");
88  } else {
89    error.SetError(process_sp->GetTraceConfig(GetTraceUID(),
90                                              *(options.m_traceoptions_sp)));
91  }
92}
93
94lldb::user_id_t SBTrace::GetTraceUID() {
95  LLDB_RECORD_METHOD_NO_ARGS(lldb::user_id_t, SBTrace, GetTraceUID);
96
97  if (m_trace_impl_sp)
98    return m_trace_impl_sp->uid;
99  return LLDB_INVALID_UID;
100}
101
102void SBTrace::SetTraceUID(lldb::user_id_t uid) {
103  if (m_trace_impl_sp)
104    m_trace_impl_sp->uid = uid;
105}
106
107SBTrace::SBTrace() {
108  LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBTrace);
109
110  m_trace_impl_sp = std::make_shared<TraceImpl>();
111  if (m_trace_impl_sp)
112    m_trace_impl_sp->uid = LLDB_INVALID_UID;
113}
114
115void SBTrace::SetSP(const ProcessSP &process_sp) { m_opaque_wp = process_sp; }
116
117bool SBTrace::IsValid() {
118  LLDB_RECORD_METHOD_NO_ARGS(bool, SBTrace, IsValid);
119  return this->operator bool();
120}
121SBTrace::operator bool() const {
122  LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBTrace, operator bool);
123
124  if (!m_trace_impl_sp)
125    return false;
126  if (!GetSP())
127    return false;
128  return true;
129}
130
131namespace lldb_private {
132namespace repro {
133
134template <>
135void RegisterMethods<SBTrace>(Registry &R) {
136  LLDB_REGISTER_METHOD(void, SBTrace, StopTrace,
137                       (lldb::SBError &, lldb::tid_t));
138  LLDB_REGISTER_METHOD(void, SBTrace, GetTraceConfig,
139                       (lldb::SBTraceOptions &, lldb::SBError &));
140  LLDB_REGISTER_METHOD(lldb::user_id_t, SBTrace, GetTraceUID, ());
141  LLDB_REGISTER_CONSTRUCTOR(SBTrace, ());
142  LLDB_REGISTER_METHOD(bool, SBTrace, IsValid, ());
143  LLDB_REGISTER_METHOD_CONST(bool, SBTrace, operator bool, ());
144}
145
146}
147}
148