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e714c4f535
Summary: The changes consist of new packets for trace manipulation and trace collection. The new packets are also documented. The packets are capable of providing custom trace specific parameters to start tracing and also retrieve such configuration from the server. Reviewers: clayborg, lldb-commits, tberghammer, labath, zturner Reviewed By: clayborg, labath Subscribers: krytarowski, lldb-commits Differential Revision: https://reviews.llvm.org/D32585 llvm-svn: 303972
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
//===-- SBTrace.cpp ---------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Target/Process.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/API/SBTrace.h"
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#include "lldb/API/SBTraceOptions.h"
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using namespace lldb;
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using namespace lldb_private;
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class TraceImpl {
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public:
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lldb::user_id_t uid;
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};
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lldb::ProcessSP SBTrace::GetSP() const { return m_opaque_wp.lock(); }
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size_t SBTrace::GetTraceData(SBError &error, void *buf, size_t size,
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size_t offset, lldb::tid_t thread_id) {
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ProcessSP process_sp(GetSP());
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
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llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
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error.Clear();
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if (!process_sp) {
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error.SetErrorString("invalid process");
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} else {
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error.SetError(
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process_sp->GetData(GetTraceUID(), thread_id, buffer, offset));
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LLDB_LOG(log, "SBTrace::bytes_read - {0}", buffer.size());
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}
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return buffer.size();
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}
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size_t SBTrace::GetMetaData(SBError &error, void *buf, size_t size,
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size_t offset, lldb::tid_t thread_id) {
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ProcessSP process_sp(GetSP());
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
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llvm::MutableArrayRef<uint8_t> buffer(static_cast<uint8_t *>(buf), size);
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error.Clear();
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if (!process_sp) {
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error.SetErrorString("invalid process");
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} else {
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error.SetError(
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process_sp->GetMetaData(GetTraceUID(), thread_id, buffer, offset));
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LLDB_LOG(log, "SBTrace::bytes_read - {0}", buffer.size());
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}
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return buffer.size();
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}
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void SBTrace::StopTrace(SBError &error, lldb::tid_t thread_id) {
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ProcessSP process_sp(GetSP());
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error.Clear();
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if (!process_sp) {
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error.SetErrorString("invalid process");
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return;
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}
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error.SetError(process_sp->StopTrace(GetTraceUID(), thread_id));
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}
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void SBTrace::GetTraceConfig(SBTraceOptions &options, SBError &error) {
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ProcessSP process_sp(GetSP());
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error.Clear();
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if (!process_sp) {
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error.SetErrorString("invalid process");
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} else {
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error.SetError(process_sp->GetTraceConfig(GetTraceUID(),
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*(options.m_traceoptions_sp)));
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}
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}
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lldb::user_id_t SBTrace::GetTraceUID() {
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if (m_trace_impl_sp)
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return m_trace_impl_sp->uid;
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return LLDB_INVALID_UID;
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}
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void SBTrace::SetTraceUID(lldb::user_id_t uid) {
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if (m_trace_impl_sp)
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m_trace_impl_sp->uid = uid;
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}
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SBTrace::SBTrace() {
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m_trace_impl_sp.reset(new TraceImpl);
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if (m_trace_impl_sp)
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m_trace_impl_sp->uid = LLDB_INVALID_UID;
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}
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void SBTrace::SetSP(const ProcessSP &process_sp) { m_opaque_wp = process_sp; }
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bool SBTrace::IsValid() {
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if (!m_trace_impl_sp)
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return false;
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if (!GetSP())
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return false;
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return true;
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}
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