1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Target/TraceCursor.cpp b/contrib/llvm-project/lldb/source/Target/TraceCursor.cpp
new file mode 100644
index 000000000000..b85cc750a8a4
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Target/TraceCursor.cpp
@@ -0,0 +1,59 @@
+//===-- TraceCursor.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 "lldb/Target/TraceCursor.h"
+
+#include "lldb/Target/ExecutionContext.h"
+#include "lldb/Target/Trace.h"
+
+using namespace lldb;
+using namespace lldb_private;
+using namespace llvm;
+
+TraceCursor::TraceCursor(lldb::ThreadSP thread_sp)
+    : m_exe_ctx_ref(ExecutionContext(thread_sp)) {}
+
+ExecutionContextRef &TraceCursor::GetExecutionContextRef() {
+  return m_exe_ctx_ref;
+}
+
+void TraceCursor::SetForwards(bool forwards) { m_forwards = forwards; }
+
+bool TraceCursor::IsForwards() const { return m_forwards; }
+
+bool TraceCursor::IsError() const {
+  return GetItemKind() == lldb::eTraceItemKindError;
+}
+
+bool TraceCursor::IsEvent() const {
+  return GetItemKind() == lldb::eTraceItemKindEvent;
+}
+
+bool TraceCursor::IsInstruction() const {
+  return GetItemKind() == lldb::eTraceItemKindInstruction;
+}
+
+const char *TraceCursor::GetEventTypeAsString() const {
+  return EventKindToString(GetEventType());
+}
+
+const char *TraceCursor::EventKindToString(lldb::TraceEvent event_kind) {
+  switch (event_kind) {
+  case lldb::eTraceEventDisabledHW:
+    return "hardware disabled tracing";
+  case lldb::eTraceEventDisabledSW:
+    return "software disabled tracing";
+  case lldb::eTraceEventCPUChanged:
+    return "CPU core changed";
+  case lldb::eTraceEventHWClockTick:
+    return "HW clock tick";
+  case lldb::eTraceEventSyncPoint:
+    return "trace synchronization point";
+  }
+  llvm_unreachable("Fully covered switch above");
+}