1 files changed, 55 insertions, 0 deletions
diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
index 3b51e17d1c4e..3f182bc61392 100644
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -3718,6 +3718,61 @@ Status Target::Attach(ProcessAttachInfo &attach_info, Stream *stream) {
   return error;
 }
 
+llvm::Expected<uint32_t> Target::AddScriptedFrameProviderDescriptor(
+    const ScriptedFrameProviderDescriptor &descriptor) {
+  if (!descriptor.IsValid())
+    return llvm::createStringError("invalid frame provider descriptor");
+
+  llvm::StringRef name = descriptor.GetName();
+  if (name.empty())
+    return llvm::createStringError(
+        "frame provider descriptor has no class name");
+
+  std::lock_guard<std::recursive_mutex> guard(
+      m_frame_provider_descriptors_mutex);
+
+  uint32_t descriptor_id = descriptor.GetID();
+  m_frame_provider_descriptors[descriptor_id] = descriptor;
+
+  // Clear frame providers on existing threads so they reload with new config.
+  if (ProcessSP process_sp = GetProcessSP())
+    for (ThreadSP thread_sp : process_sp->Threads())
+      thread_sp->ClearScriptedFrameProvider();
+
+  return descriptor_id;
+}
+
+bool Target::RemoveScriptedFrameProviderDescriptor(uint32_t id) {
+  std::lock_guard<std::recursive_mutex> guard(
+      m_frame_provider_descriptors_mutex);
+  bool removed = m_frame_provider_descriptors.erase(id);
+
+  if (removed)
+    if (ProcessSP process_sp = GetProcessSP())
+      for (ThreadSP thread_sp : process_sp->Threads())
+        thread_sp->ClearScriptedFrameProvider();
+
+  return removed;
+}
+
+void Target::ClearScriptedFrameProviderDescriptors() {
+  std::lock_guard<std::recursive_mutex> guard(
+      m_frame_provider_descriptors_mutex);
+
+  m_frame_provider_descriptors.clear();
+
+  if (ProcessSP process_sp = GetProcessSP())
+    for (ThreadSP thread_sp : process_sp->Threads())
+      thread_sp->ClearScriptedFrameProvider();
+}
+
+const llvm::DenseMap<uint32_t, ScriptedFrameProviderDescriptor> &
+Target::GetScriptedFrameProviderDescriptors() const {
+  std::lock_guard<std::recursive_mutex> guard(
+      m_frame_provider_descriptors_mutex);
+  return m_frame_provider_descriptors;
+}
+
 void Target::FinalizeFileActions(ProcessLaunchInfo &info) {
   Log *log = GetLog(LLDBLog::Process);