llvm-toolchain-9/lldb/source/API/SBTrace.cpp

148 lines
4.2 KiB
C++

//===-- SBTrace.cpp ---------------------------------------------*- C++ -*-===//
//
// 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, ());
}
}
}