Reapply "[lldb] Implement basic support for reverse-continue (#125242)" (again) (#128156)

This reverts commit
https://github.com/llvm/llvm-project/commit/87b7f63a117c340a6d9ca47959335fd7ef6c7ad2,
reapplying

https://github.com/llvm/llvm-project/commit/7e66cf74fb4e6a103f923e34700a7b6f20ac2a9b
with a small (and probably temporary)
change to generate more debug info to help with diagnosing buildbot
issues.

1 files changed, 7 insertions, 2 deletions

diff --git a/lldb/source/Plugins/Process/scripted/ScriptedProcess.cpp b/lldb/source/Plugins/Process/scripted/ScriptedProcess.cpp
index 6b371a1..bcb9ff2 100644
--- a/lldb/source/Plugins/Process/scripted/ScriptedProcess.cpp
+++ b/lldb/source/Plugins/Process/scripted/ScriptedProcess.cpp
@@ -184,10 +184,15 @@ void ScriptedProcess::DidResume() {
   m_pid = GetInterface().GetProcessID();
 }
 
-Status ScriptedProcess::DoResume() {
+Status ScriptedProcess::DoResume(RunDirection direction) {
   LLDB_LOGF(GetLog(LLDBLog::Process), "ScriptedProcess::%s resuming process", __FUNCTION__);
 
-  return GetInterface().Resume();
+  if (direction == RunDirection::eRunForward)
+    return GetInterface().Resume();
+  // FIXME: Pipe reverse continue through Scripted Processes
+  return Status::FromErrorStringWithFormatv(
+      "error: {0} does not support reverse execution of processes",
+      GetPluginName());
 }
 
 Status ScriptedProcess::DoAttach(const ProcessAttachInfo &attach_info) {