Restore stack backtrace tests removed in revision 1785.

src/ia32/codegen-ia32.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 455 matching lines @@
   static const int kMaxSmiInlinedBits = 16;
   bool IsUnsafeSmi(Handle<Object> value);
   // Load an integer constant x into a register target using
   // at most 16 bits of user-controlled data per assembly operation.
   void LoadUnsafeSmi(Register target, Handle<Object> value);
 
   void CallWithArguments(ZoneList<Expression*>* arguments, int position);
 
   void CheckStack();
 
+  struct InlineRuntimeLUT {
+    void (CodeGenerator::*method)(ZoneList<Expression*>*);
+    const char* name;
+  };
+
+  static InlineRuntimeLUT* FindInlineRuntimeLUT(Handle<String> name);
   bool CheckForInlineRuntimeCall(CallRuntime* node);
+  static bool PatchInlineRuntimeEntry(Handle<String> name,
+                                      const InlineRuntimeLUT& new_entry,
+                                      InlineRuntimeLUT* old_entry);
+
   Handle<JSFunction> BuildBoilerplate(FunctionLiteral* node);
   void ProcessDeclarations(ZoneList<Declaration*>* declarations);
 
   Handle<Code> ComputeCallInitialize(int argc);
   Handle<Code> ComputeCallInitializeInLoop(int argc);
 
   // Declare global variables and functions in the given array of
   // name/value pairs.
   void DeclareGlobals(Handle<FixedArray> pairs);
 
@@ skipping 14 matching lines @@
   void GenerateSetValueOf(ZoneList<Expression*>* args);
 
   // Fast support for charCodeAt(n).
   void GenerateFastCharCodeAt(ZoneList<Expression*>* args);
 
   // Fast support for object equality testing.
   void GenerateObjectEquals(ZoneList<Expression*>* args);
 
   void GenerateLog(ZoneList<Expression*>* args);
 
+  void GenerateGetFramePointer(ZoneList<Expression*>* args);
 
   // Methods and constants for fast case switch statement support.
   //
   // Only allow fast-case switch if the range of labels is at most
   // this factor times the number of case labels.
   // Value is derived from comparing the size of code generated by the normal
   // switch code for Smi-labels to the size of a single pointer. If code
   // quality increases this number should be decreased to match.
   static const int kFastSwitchMaxOverheadFactor = 5;
 
@@ skipping 76 matching lines @@
   // function_return_ does not jump to the true function return, but rather
   // to some unlinking code).
   bool function_return_is_shadowed_;
 
   // True when we are in code that expects the virtual frame to be fully
   // spilled.  Some virtual frame function are disabled in DEBUG builds when
   // called from spilled code, because they do not leave the virtual frame
   // in a spilled state.
   bool in_spilled_code_;
 
+  static InlineRuntimeLUT kInlineRuntimeLUT[];
+
   friend class VirtualFrame;
   friend class JumpTarget;
   friend class Reference;
   friend class Result;
 
+  friend class CodeGeneratorPatcher;  // Used in test-log-ia32.cc
+
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODEGEN_IA32_H_