Add setting to disable LanguageRuntime UnwindPlans
When debugging LanguageRuntime unwindplans, it can be
helpful to disable their use and see the normal
stack walk. Add a setting for this.
Differential Revision: https://reviews.llvm.org/D99828
GitOrigin-RevId: dd453a1389b6a7e6d9214b449d3c54981b1a89b6
diff --git a/include/lldb/Target/Process.h b/include/lldb/Target/Process.h
index dbe61d8..abd0d39 100644
--- a/include/lldb/Target/Process.h
+++ b/include/lldb/Target/Process.h
@@ -84,6 +84,8 @@
void SetUnwindOnErrorInExpressions(bool ignore);
bool GetStopOnSharedLibraryEvents() const;
void SetStopOnSharedLibraryEvents(bool stop);
+ bool GetDisableLangRuntimeUnwindPlans() const;
+ void SetDisableLangRuntimeUnwindPlans(bool disable);
bool GetDetachKeepsStopped() const;
void SetDetachKeepsStopped(bool keep_stopped);
bool GetWarningsOptimization() const;
diff --git a/source/Target/LanguageRuntime.cpp b/source/Target/LanguageRuntime.cpp
index 1fbe94b..be878d6 100644
--- a/source/Target/LanguageRuntime.cpp
+++ b/source/Target/LanguageRuntime.cpp
@@ -265,6 +265,8 @@
ProcessSP process_sp = thread.GetProcess();
if (!process_sp.get())
return UnwindPlanSP();
+ if (process_sp->GetDisableLangRuntimeUnwindPlans() == true)
+ return UnwindPlanSP();
for (const lldb::LanguageType lang_type : Language::GetSupportedLanguages()) {
if (LanguageRuntime *runtime = process_sp->GetLanguageRuntime(lang_type)) {
UnwindPlanSP plan_sp = runtime->GetRuntimeUnwindPlan(
diff --git a/source/Target/Process.cpp b/source/Target/Process.cpp
index 6db410f..4e01c3b 100644
--- a/source/Target/Process.cpp
+++ b/source/Target/Process.cpp
@@ -238,6 +238,18 @@
m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, stop);
}
+bool ProcessProperties::GetDisableLangRuntimeUnwindPlans() const {
+ const uint32_t idx = ePropertyDisableLangRuntimeUnwindPlans;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_process_properties[idx].default_uint_value != 0);
+}
+
+void ProcessProperties::SetDisableLangRuntimeUnwindPlans(bool disable) {
+ const uint32_t idx = ePropertyDisableLangRuntimeUnwindPlans;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, disable);
+ m_process->Flush();
+}
+
bool ProcessProperties::GetDetachKeepsStopped() const {
const uint32_t idx = ePropertyDetachKeepsStopped;
return m_collection_sp->GetPropertyAtIndexAsBoolean(
diff --git a/source/Target/TargetProperties.td b/source/Target/TargetProperties.td
index 030c0a7..e22f940 100644
--- a/source/Target/TargetProperties.td
+++ b/source/Target/TargetProperties.td
@@ -206,6 +206,10 @@
Global,
DefaultFalse,
Desc<"If true, stop when a shared library is loaded or unloaded.">;
+ def DisableLangRuntimeUnwindPlans: Property<"disable-language-runtime-unwindplans", "Boolean">,
+ Global,
+ DefaultFalse,
+ Desc<"If true, LanguageRuntime plugins' UnwindPlans will not be used when backtracing.">;
def DetachKeepsStopped: Property<"detach-keeps-stopped", "Boolean">,
Global,
DefaultFalse,
