Add functionality for finding code objects from a pc that points into...

src/x64/frames-x64.cc

Index: src/x64/frames-x64.cc
===================================================================
--- src/x64/frames-x64.cc	(revision 5368)
+++ src/x64/frames-x64.cc	(working copy)
@@ -35,19 +35,6 @@
 namespace internal {
 
 
-StackFrame::Type StackFrame::ComputeType(State* state) {
-  ASSERT(state->fp != NULL);
-  if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
-    return ARGUMENTS_ADAPTOR;
-  }
-  // The marker and function offsets overlap. If the marker isn't a
-  // smi then the frame is a JavaScript frame -- and the marker is
-  // really the function.
-  const int offset = StandardFrameConstants::kMarkerOffset;
-  Object* marker = Memory::Object_at(state->fp + offset);
-  if (!marker->IsSmi()) return JAVA_SCRIPT;
-  return static_cast<StackFrame::Type>(Smi::cast(marker)->value());
-}
 
 
 StackFrame::Type ExitFrame::GetStateForFramePointer(Address fp, State* state) {
@@ -62,52 +49,7 @@
   return EXIT;
 }
 
-int JavaScriptFrame::GetProvidedParametersCount() const {
-  return ComputeParametersCount();
-}
 
-
-void ExitFrame::Iterate(ObjectVisitor* v) const {
-  v->VisitPointer(&code_slot());
-  // The arguments are traversed as part of the expression stack of
-  // the calling frame.
-}
-
-byte* InternalFrame::GetCallerStackPointer() const {
-  // Internal frames have no arguments. The stack pointer of the
-  // caller is at a fixed offset from the frame pointer.
-  return fp() + StandardFrameConstants::kCallerSPOffset;
-}
-
-byte* JavaScriptFrame::GetCallerStackPointer() const {
-  int arguments;
-  if (Heap::gc_state() != Heap::NOT_IN_GC || disable_heap_access_) {
-    // The arguments for cooked frames are traversed as if they were
-    // expression stack elements of the calling frame. The reason for
-    // this rather strange decision is that we cannot access the
-    // function during mark-compact GCs when the stack is cooked.
-    // In fact accessing heap objects (like function->shared() below)
-    // at all during GC is problematic.
-    arguments = 0;
-  } else {
-    // Compute the number of arguments by getting the number of formal
-    // parameters of the function. We must remember to take the
-    // receiver into account (+1).
-    JSFunction* function = JSFunction::cast(this->function());
-    arguments = function->shared()->formal_parameter_count() + 1;
-  }
-  const int offset = StandardFrameConstants::kCallerSPOffset;
-  return fp() + offset + (arguments * kPointerSize);
-}
-
-
-byte* ArgumentsAdaptorFrame::GetCallerStackPointer() const {
-  const int arguments = Smi::cast(GetExpression(0))->value();
-  const int offset = StandardFrameConstants::kCallerSPOffset;
-  return fp() + offset + (arguments + 1) * kPointerSize;
-}
-
-
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64