[wasm] Make wasm info available on the stack trace

src/frames.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FRAMES_H_
 #define V8_FRAMES_H_
 
 #include "src/allocation.h"
 #include "src/handles.h"
 #include "src/safepoint-table.h"
@@ skipping 617 matching lines @@
  private:
   void ComputeCallerState(State* state) const override;
 
   friend class StackFrameIteratorBase;
 };
 
 class JavaScriptFrame;
 
 class FrameSummary BASE_EMBEDDED {
  public:
-  // Mode for StandardFrame::Summarize. Exact summary is required to produce an
-  // exact stack trace. It will trigger an assertion failure if that is not
+  // Mode for JavaScriptFrame::Summarize. Exact summary is required to produce
+  // an exact stack trace. It will trigger an assertion failure if that is not
   // possible, e.g., because of missing deoptimization information. The
   // approximate mode should produce a summary even without deoptimization
   // information, but it might miss frames.
   enum Mode { kExactSummary, kApproximateSummary };
 
   FrameSummary(Object* receiver, JSFunction* function,
                AbstractCode* abstract_code, int code_offset,
                bool is_constructor, Mode mode = kExactSummary);
 
   static FrameSummary GetFirst(JavaScriptFrame* frame);
@@ skipping 27 matching lines @@
   inline void SetExpression(int index, Object* value);
   int ComputeExpressionsCount() const;
 
   void SetCallerFp(Address caller_fp) override;
 
   static StandardFrame* cast(StackFrame* frame) {
     DCHECK(frame->is_standard());
     return static_cast<StandardFrame*>(frame);
   }
 
-  // Build a list with summaries for this frame including all inlined frames.
-  virtual void Summarize(
-      List<FrameSummary>* frames,
-      FrameSummary::Mode mode = FrameSummary::kExactSummary) const;
-
-  // Accessors.
-  virtual JSFunction* function() const;
-  virtual Object* receiver() const;
-
  protected:
   inline explicit StandardFrame(StackFrameIteratorBase* iterator);
 
   void ComputeCallerState(State* state) const override;
 
   // Accessors.
   inline Address caller_fp() const;
   inline Address caller_pc() const;
 
   // Computes the address of the PC field in the standard frame given
@@ skipping 24 matching lines @@
 
  private:
   friend class StackFrame;
   friend class SafeStackFrameIterator;
 };
 
 class JavaScriptFrame : public StandardFrame {
  public:
   Type type() const override { return JAVA_SCRIPT; }
 
-  JSFunction* function() const override;
-  Object* receiver() const override;
+  // Build a list with summaries for this frame including all inlined frames.
+  virtual void Summarize(
+      List<FrameSummary>* frames,
+      FrameSummary::Mode mode = FrameSummary::kExactSummary) const;
+
+  // Accessors.
+  virtual JSFunction* function() const;
+  virtual Object* receiver() const;
 
   inline void set_receiver(Object* value);
 
   // Access the parameters.
   inline Address GetParameterSlot(int index) const;
   inline Object* GetParameter(int index) const;
   inline int ComputeParametersCount() const {
     return GetNumberOfIncomingArguments();
   }
 
@@ skipping 27 matching lines @@
   // Printing support.
   void Print(StringStream* accumulator, PrintMode mode,
              int index) const override;
 
   // Determine the code for the frame.
   Code* unchecked_code() const override;
 
   // Return a list with JSFunctions of this frame.
   virtual void GetFunctions(List<JSFunction*>* functions) const;
 
-  void Summarize(
-      List<FrameSummary>* frames,
-      FrameSummary::Mode mode = FrameSummary::kExactSummary) const override;
-
   // Lookup exception handler for current {pc}, returns -1 if none found. Also
   // returns data associated with the handler site specific to the frame type:
   //  - JavaScriptFrame : Data is the stack depth at entry of the try-block.
   //  - OptimizedFrame  : Data is the stack slot count of the entire frame.
   //  - InterpretedFrame: Data is the register index holding the context.
   virtual int LookupExceptionHandlerInTable(
       int* data, HandlerTable::CatchPrediction* prediction);
 
   // Architecture-specific register description.
   static Register fp_register();
@@ skipping 165 matching lines @@
   // GC support.
   void Iterate(ObjectVisitor* v) const override;
 
   // Printing support.
   void Print(StringStream* accumulator, PrintMode mode,
              int index) const override;
 
   // Determine the code for the frame.
   Code* unchecked_code() const override;
 
+  Object* wasm_obj();
+  uint32_t function_index();
+
+  Object* function_name();
+
   static WasmFrame* cast(StackFrame* frame) {
     DCHECK(frame->is_wasm());
     return static_cast<WasmFrame*>(frame);
   }
 
-  JSFunction* function() const override;
-
-  void Summarize(
-      List<FrameSummary>* frames,
-      FrameSummary::Mode mode = FrameSummary::kExactSummary) const override;
-
  protected:
   inline explicit WasmFrame(StackFrameIteratorBase* iterator);
 
   Address GetCallerStackPointer() const override;
 
  private:
   friend class StackFrameIteratorBase;
 };
 
 class WasmToJsFrame : public StubFrame {
@@ skipping 229 matching lines @@
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FRAMES_H_