aboutsummaryrefslogtreecommitdiff
path: root/lldb/source/API/SBTrace.cpp
blob: 3fdabaa29ac210817f687c5e182131ec63c506bd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
//===-- SBTrace.cpp -------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "SBReproducerPrivate.h"
#include "lldb/Target/Process.h"

#include "lldb/API/SBTrace.h"
#include "lldb/API/SBTraceOptions.h"

#include <memory>

using namespace lldb;
using namespace lldb_private;

class TraceImpl {
public:
  lldb::user_id_t uid;
};

lldb::ProcessSP SBTrace::GetSP() const { return m_opaque_wp.lock(); }

size_t SBTrace::GetTraceData(SBError &error, void *buf, size_t size,
                             size_t offset, lldb::tid_t thread_id) {
  LLDB_RECORD_DUMMY(size_t, SBTrace, GetTraceData,
                    (lldb::SBError &, void *, size_t, size_t, lldb::tid_t),
                    error, buf, size, offset, thread_id);

  ProcessSP process_sp(GetSP());
  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
  error.Clear();

  if (!process_sp) {
    error.SetErrorString("invalid process");
  } else {
    error.SetError(
        process_sp->GetData(GetTraceUID(), thread_id, buffer, offset));
  }
  return buffer.size();
}

size_t SBTrace::GetMetaData(SBError &error, void *buf, size_t size,
                            size_t offset, lldb::tid_t thread_id) {
  LLDB_RECORD_DUMMY(size_t, SBTrace, GetMetaData,
                    (lldb::SBError &, void *, size_t, size_t, lldb::tid_t),
                    error, buf, size, offset, thread_id);

  ProcessSP process_sp(GetSP());
  llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
  error.Clear();

  if (!process_sp) {
    error.SetErrorString("invalid process");
  } else {
    error.SetError(
        process_sp->GetMetaData(GetTraceUID(), thread_id, buffer, offset));
  }
  return buffer.size();
}

void SBTrace::StopTrace(SBError &error, lldb::tid_t thread_id) {
  LLDB_RECORD_METHOD(void, SBTrace, StopTrace, (lldb::SBError &, lldb::tid_t),
                     error, thread_id);

  ProcessSP process_sp(GetSP());
  error.Clear();

  if (!process_sp) {
    error.SetErrorString("invalid process");
    return;
  }
  error.SetError(process_sp->StopTrace(GetTraceUID(), thread_id));
}

void SBTrace::GetTraceConfig(SBTraceOptions &options, SBError &error) {
  LLDB_RECORD_METHOD(void, SBTrace, GetTraceConfig,
                     (lldb::SBTraceOptions &, lldb::SBError &), options, error);

  ProcessSP process_sp(GetSP());
  error.Clear();

  if (!process_sp) {
    error.SetErrorString("invalid process");
  } else {
    error.SetError(process_sp->GetTraceConfig(GetTraceUID(),
                                              *(options.m_traceoptions_sp)));
  }
}

lldb::user_id_t SBTrace::GetTraceUID() {
  LLDB_RECORD_METHOD_NO_ARGS(lldb::user_id_t, SBTrace, GetTraceUID);

  if (m_trace_impl_sp)
    return m_trace_impl_sp->uid;
  return LLDB_INVALID_UID;
}

void SBTrace::SetTraceUID(lldb::user_id_t uid) {
  if (m_trace_impl_sp)
    m_trace_impl_sp->uid = uid;
}

SBTrace::SBTrace() {
  LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBTrace);

  m_trace_impl_sp = std::make_shared<TraceImpl>();
  if (m_trace_impl_sp)
    m_trace_impl_sp->uid = LLDB_INVALID_UID;
}

void SBTrace::SetSP(const ProcessSP &process_sp) { m_opaque_wp = process_sp; }

bool SBTrace::IsValid() {
  LLDB_RECORD_METHOD_NO_ARGS(bool, SBTrace, IsValid);
  return this->operator bool();
}
SBTrace::operator bool() const {
  LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBTrace, operator bool);

  if (!m_trace_impl_sp)
    return false;
  if (!GetSP())
    return false;
  return true;
}

namespace lldb_private {
namespace repro {

template <>
void RegisterMethods<SBTrace>(Registry &R) {
  LLDB_REGISTER_METHOD(void, SBTrace, StopTrace,
                       (lldb::SBError &, lldb::tid_t));
  LLDB_REGISTER_METHOD(void, SBTrace, GetTraceConfig,
                       (lldb::SBTraceOptions &, lldb::SBError &));
  LLDB_REGISTER_METHOD(lldb::user_id_t, SBTrace, GetTraceUID, ());
  LLDB_REGISTER_CONSTRUCTOR(SBTrace, ());
  LLDB_REGISTER_METHOD(bool, SBTrace, IsValid, ());
  LLDB_REGISTER_METHOD_CONST(bool, SBTrace, operator bool, ());
}

}
}