================
@@ -0,0 +1,98 @@
+#include "lldb/Target/VerboseTrapFrameRecognizer.h"
+
+#include "lldb/Core/Module.h"
+#include "lldb/Symbol/Function.h"
+#include "lldb/Symbol/SymbolContext.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Target.h"
+
+#include "lldb/Utility/LLDBLog.h"
+#include "lldb/Utility/Log.h"
+
+using namespace llvm;
+using namespace lldb;
+using namespace lldb_private;
+
+VerboseTrapRecognizedStackFrame::VerboseTrapRecognizedStackFrame(
+ StackFrameSP most_relevant_frame_sp, std::string stop_desc)
+ : m_most_relevant_frame(most_relevant_frame_sp) {
+ m_stop_desc = std::move(stop_desc);
+}
+
+lldb::RecognizedStackFrameSP
+VerboseTrapFrameRecognizer::RecognizeFrame(lldb::StackFrameSP frame_sp) {
+ if (frame_sp->GetFrameIndex())
+ return {};
+
+ ThreadSP thread_sp = frame_sp->GetThread();
+ ProcessSP process_sp = thread_sp->GetProcess();
+
+ StackFrameSP most_relevant_frame_sp = thread_sp->GetStackFrameAtIndex(1);
+
+ if (!most_relevant_frame_sp) {
+ Log *log = GetLog(LLDBLog::Unwind);
+ LLDB_LOG(
+ log,
+ "Failed to find most relevant frame: Hit unwinding bound (1 frame)!");
+ return {};
+ }
+
+ SymbolContext sc = frame_sp->GetSymbolContext(eSymbolContextEverything);
+
+ if (!sc.block)
+ return {};
+
+ // The runtime error is set as the function name in the inlined function info
+ // of frame #0 by the compiler
+ const InlineFunctionInfo *inline_info = nullptr;
+ Block *inline_block = sc.block->GetContainingInlinedBlock();
+
+ if (!inline_block)
+ return {};
+
+ inline_info = sc.block->GetInlinedFunctionInfo();
+
+ if (!inline_info)
+ return {};
+
+ auto error_message = inline_info->GetName().GetString();
+ if (error_message.empty())
+ return {};
+
+ // Replaces "__llvm_verbose_trap: " with "Runtime Error: "
+ auto space_position = error_message.find(" ");
+ if (space_position == std::string::npos) {
+ Log *log = GetLog(LLDBLog::Unwind);
+ LLDB_LOGF(log,
+ "Unexpected function name format. Expected '<trap prefix>: "
+ "<trap message>' but got: '%s'.",
+ error_message.c_str());
+
+ return {};
+ }
+
+ error_message.replace(0, space_position, "Runtime Error:");
+
+ return lldb::RecognizedStackFrameSP(new VerboseTrapRecognizedStackFrame(
+ most_relevant_frame_sp, std::move(error_message)));
+}
+
+lldb::StackFrameSP VerboseTrapRecognizedStackFrame::GetMostRelevantFrame() {
+ return m_most_relevant_frame;
+}
+
+namespace lldb_private {
+
+void RegisterVerboseTrapFrameRecognizer(Process &process) {
+ RegularExpressionSP module_regex_sp = nullptr;
+ RegularExpressionSP symbol_regex_sp(
+ new RegularExpression("^__llvm_verbose_trap: "));
----------------
Michael137 wrote:
Yup that would be nice
I'll leave it to @ahatanak to do it in
https://github.com/llvm/llvm-project/pull/79230 and then use it from LLDB
https://github.com/llvm/llvm-project/pull/80368
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