1 //===-- TraceCursor.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 "lldb/Target/TraceCursor.h"
10 
11 #include "lldb/Target/ExecutionContext.h"
12 #include "lldb/Target/Trace.h"
13 
14 using namespace lldb;
15 using namespace lldb_private;
16 using namespace llvm;
17 
18 TraceCursor::TraceCursor(lldb::ThreadSP thread_sp)
19     : m_exe_ctx_ref(ExecutionContext(thread_sp)) {}
20 
21 ExecutionContextRef &TraceCursor::GetExecutionContextRef() {
22   return m_exe_ctx_ref;
23 }
24 
25 void TraceCursor::SetForwards(bool forwards) { m_forwards = forwards; }
26 
27 bool TraceCursor::IsForwards() const { return m_forwards; }
28 
29 bool TraceCursor::IsError() const {
30   return GetItemKind() == lldb::eTraceItemKindError;
31 }
32 
33 bool TraceCursor::IsEvent() const {
34   return GetItemKind() == lldb::eTraceItemKindEvent;
35 }
36 
37 bool TraceCursor::IsInstruction() const {
38   return GetItemKind() == lldb::eTraceItemKindInstruction;
39 }
40 
41 const char *TraceCursor::GetEventTypeAsString() const {
42   return EventKindToString(GetEventType());
43 }
44 
45 const char *TraceCursor::EventKindToString(lldb::TraceEvent event_kind) {
46   switch (event_kind) {
47   case lldb::eTraceEventDisabledHW:
48     return "hardware disabled tracing";
49   case lldb::eTraceEventDisabledSW:
50     return "software disabled tracing";
51   case lldb::eTraceEventCPUChanged:
52     return "CPU core changed";
53   case lldb::eTraceEventHWClockTick:
54     return "HW clock tick";
55   case lldb::eTraceEventSyncPoint:
56     return "trace synchronization point";
57   }
58   llvm_unreachable("Fully covered switch above");
59 }
60