This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
friss marked an inline comment as done.
Closed by commit rG91e90cf62207: lldb/Instrumentation: NFC-ish use 
GetFrameCodeAddressForSymbolication() (authored by friss).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101094/new/

https://reviews.llvm.org/D101094

Files:
  
lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
  
lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp


Index: 
lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
===================================================================
--- 
lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
+++ 
lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
@@ -150,8 +150,8 @@
   StructuredData::Array *trace = new StructuredData::Array();
   auto trace_sp = StructuredData::ObjectSP(trace);
   for (unsigned I = 0; I < thread_sp->GetStackFrameCount(); ++I) {
-    const Address FCA =
-        thread_sp->GetStackFrameAtIndex(I)->GetFrameCodeAddress();
+    const Address FCA = thread_sp->GetStackFrameAtIndex(I)
+                            ->GetFrameCodeAddressForSymbolication();
     if (FCA.GetModule() == runtime_module_sp) // Skip PCs from the runtime.
       continue;
 
@@ -324,8 +324,11 @@
       info->GetObjectForDotSeparatedPath("tid");
   tid_t tid = thread_id_obj ? thread_id_obj->GetIntegerValue() : 0;
 
-  HistoryThread *history_thread = new HistoryThread(*process_sp, tid, PCs);
-  ThreadSP new_thread_sp(history_thread);
+  // We gather symbolication addresses above, so no need for HistoryThread to
+  // try to infer the call addresses.
+  bool pcs_are_call_addresses = true;
+  ThreadSP new_thread_sp = std::make_shared<HistoryThread>(
+      *process_sp, tid, PCs, pcs_are_call_addresses);
   std::string stop_reason_description = GetStopReasonDescription(info);
   new_thread_sp->SetName(stop_reason_description.c_str());
 
Index: 
lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
===================================================================
--- 
lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
+++ 
lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
@@ -127,7 +127,7 @@
   StackFrameSP responsible_frame;
   for (unsigned I = 0; I < thread_sp->GetStackFrameCount(); ++I) {
     StackFrameSP frame = thread_sp->GetStackFrameAtIndex(I);
-    Address addr = frame->GetFrameCodeAddress();
+    Address addr = frame->GetFrameCodeAddressForSymbolication();
     if (addr.GetModule() == runtime_module_sp) // Skip PCs from the runtime.
       continue;
 
@@ -135,11 +135,6 @@
     if (!responsible_frame)
       responsible_frame = frame;
 
-    // First frame in stacktrace should point to a real PC, not return address.
-    if (I != 0 && trace->GetSize() == 0) {
-      addr.Slide(-1);
-    }
-
     lldb::addr_t PC = addr.GetLoadAddress(&target);
     trace->AddItem(StructuredData::ObjectSP(new StructuredData::Integer(PC)));
   }
@@ -271,8 +266,11 @@
       info->GetObjectForDotSeparatedPath("tid");
   tid_t tid = thread_id_obj ? thread_id_obj->GetIntegerValue() : 0;
 
-  HistoryThread *history_thread = new HistoryThread(*process_sp, tid, PCs);
-  ThreadSP new_thread_sp(history_thread);
+  // We gather symbolication addresses above, so no need for HistoryThread to
+  // try to infer the call addresses.
+  bool pcs_are_call_addresses = true;
+  ThreadSP new_thread_sp = std::make_shared<HistoryThread>(
+      *process_sp, tid, PCs, pcs_are_call_addresses);
 
   // Save this in the Process' ExtendedThreadList so a strong pointer retains
   // the object


Index: lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
===================================================================
--- lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
+++ lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
@@ -150,8 +150,8 @@
   StructuredData::Array *trace = new StructuredData::Array();
   auto trace_sp = StructuredData::ObjectSP(trace);
   for (unsigned I = 0; I < thread_sp->GetStackFrameCount(); ++I) {
-    const Address FCA =
-        thread_sp->GetStackFrameAtIndex(I)->GetFrameCodeAddress();
+    const Address FCA = thread_sp->GetStackFrameAtIndex(I)
+                            ->GetFrameCodeAddressForSymbolication();
     if (FCA.GetModule() == runtime_module_sp) // Skip PCs from the runtime.
       continue;
 
@@ -324,8 +324,11 @@
       info->GetObjectForDotSeparatedPath("tid");
   tid_t tid = thread_id_obj ? thread_id_obj->GetIntegerValue() : 0;
 
-  HistoryThread *history_thread = new HistoryThread(*process_sp, tid, PCs);
-  ThreadSP new_thread_sp(history_thread);
+  // We gather symbolication addresses above, so no need for HistoryThread to
+  // try to infer the call addresses.
+  bool pcs_are_call_addresses = true;
+  ThreadSP new_thread_sp = std::make_shared<HistoryThread>(
+      *process_sp, tid, PCs, pcs_are_call_addresses);
   std::string stop_reason_description = GetStopReasonDescription(info);
   new_thread_sp->SetName(stop_reason_description.c_str());
 
Index: lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
===================================================================
--- lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
+++ lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/InstrumentationRuntimeMainThreadChecker.cpp
@@ -127,7 +127,7 @@
   StackFrameSP responsible_frame;
   for (unsigned I = 0; I < thread_sp->GetStackFrameCount(); ++I) {
     StackFrameSP frame = thread_sp->GetStackFrameAtIndex(I);
-    Address addr = frame->GetFrameCodeAddress();
+    Address addr = frame->GetFrameCodeAddressForSymbolication();
     if (addr.GetModule() == runtime_module_sp) // Skip PCs from the runtime.
       continue;
 
@@ -135,11 +135,6 @@
     if (!responsible_frame)
       responsible_frame = frame;
 
-    // First frame in stacktrace should point to a real PC, not return address.
-    if (I != 0 && trace->GetSize() == 0) {
-      addr.Slide(-1);
-    }
-
     lldb::addr_t PC = addr.GetLoadAddress(&target);
     trace->AddItem(StructuredData::ObjectSP(new StructuredData::Integer(PC)));
   }
@@ -271,8 +266,11 @@
       info->GetObjectForDotSeparatedPath("tid");
   tid_t tid = thread_id_obj ? thread_id_obj->GetIntegerValue() : 0;
 
-  HistoryThread *history_thread = new HistoryThread(*process_sp, tid, PCs);
-  ThreadSP new_thread_sp(history_thread);
+  // We gather symbolication addresses above, so no need for HistoryThread to
+  // try to infer the call addresses.
+  bool pcs_are_call_addresses = true;
+  ThreadSP new_thread_sp = std::make_shared<HistoryThread>(
+      *process_sp, tid, PCs, pcs_are_call_addresses);
 
   // Save this in the Process' ExtendedThreadList so a strong pointer retains
   // the object
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