Parallel recompilation: remove interrupt for code generation.

src/objects.h

 // Copyright 2012 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 4474 matching lines @@
   // [safepoint_table_start]: For kind OPTIMIZED_CODE, the offset in
   // the instruction stream where the safepoint table starts.
   inline unsigned safepoint_table_offset();
   inline void set_safepoint_table_offset(unsigned offset);
 
   // [stack_check_table_start]: For kind FUNCTION, the offset in the
   // instruction stream where the stack check table starts.
   inline unsigned stack_check_table_offset();
   inline void set_stack_check_table_offset(unsigned offset);
 
+  inline bool stack_check_patched_for_osr();
+  inline void set_stack_check_patched_for_osr(bool value);
+
   // [check type]: For kind CALL_IC, tells how to check if the
   // receiver is valid for the given call.
   inline CheckType check_type();
   inline void set_check_type(CheckType value);
 
   // [type-recording unary op type]: For kind UNARY_OP_IC.
   inline byte unary_op_type();
   inline void set_unary_op_type(byte value);
 
   // [to_boolean_foo]: For kind TO_BOOLEAN_IC tells what state the stub is in.
@@ skipping 257 matching lines @@
                 kSafepointTableOffsetBitCount <= 32);
 
   class SafepointTableOffsetField: public BitField<int,
       kSafepointTableOffsetFirstBit,
       kSafepointTableOffsetBitCount> {};  // NOLINT
   class StubMajorKeyField: public BitField<int,
       kStubMajorKeyFirstBit, kStubMajorKeyBits> {};  // NOLINT
 
   // KindSpecificFlags2 layout (FUNCTION)
   class StackCheckTableOffsetField: public BitField<int, 0, 31> {};
+  class StackCheckPatchedForOSRField: public BitField<bool, 31, 1> {};
 
   // Signed field cannot be encoded using the BitField class.
   static const int kArgumentsCountShift = 17;
   static const int kArgumentsCountMask = ~((1 << kArgumentsCountShift) - 1);
 
   // This constant should be encodable in an ARM instruction.
   static const int kFlagsNotUsedInLookup =
       TypeField::kMask | CacheHolderField::kMask;
 
  private:
@@ skipping 1342 matching lines @@
 
   static const int kAlignedSize = POINTER_SIZE_ALIGN(kSize);
 
   typedef FixedBodyDescriptor<kNameOffset,
                               kThisPropertyAssignmentsOffset + kPointerSize,
                               kSize> BodyDescriptor;
 
   // Bit positions in start_position_and_type.
   // The source code start position is in the 30 most significant bits of
   // the start_position_and_type field.
-  static const int kIsExpressionBit = 0;
-  static const int kIsTopLevelBit   = 1;
+  static const int kIsExpressionBit    = 0;
+  static const int kIsTopLevelBit      = 1;
   static const int kStartPositionShift = 2;
-  static const int kStartPositionMask = ~((1 << kStartPositionShift) - 1);
+  static const int kStartPositionMask  = ~((1 << kStartPositionShift) - 1);
 
   // Bit positions in compiler_hints.
   static const int kCodeAgeSize = 3;
   static const int kCodeAgeMask = (1 << kCodeAgeSize) - 1;
 
   enum CompilerHints {
     kHasOnlySimpleThisPropertyAssignments,
     kAllowLazyCompilation,
     kAllowLazyCompilationWithoutContext,
     kLiveObjectsMayExist,
@@ skipping 113 matching lines @@
   inline Context* context();
   inline Object* unchecked_context();
   inline void set_context(Object* context);
 
   // [code]: The generated code object for this function.  Executed
   // when the function is invoked, e.g. foo() or new foo(). See
   // [[Call]] and [[Construct]] description in ECMA-262, section
   // 8.6.2, page 27.
   inline Code* code();
   inline void set_code(Code* code);
+  inline void set_code_no_write_barrier(Code* code);
   inline void ReplaceCode(Code* code);
 
   inline Code* unchecked_code();
 
   // Tells whether this function is builtin.
   inline bool IsBuiltin();
 
   // Tells whether or not the function needs arguments adaption.
   inline bool NeedsArgumentsAdaption();
 
   // Tells whether or not this function has been optimized.
   inline bool IsOptimized();
 
   // Tells whether or not this function can be optimized.
   inline bool IsOptimizable();
 
   // Mark this function for lazy recompilation. The function will be
   // recompiled the next time it is executed.
   void MarkForLazyRecompilation();
   void MarkForParallelRecompilation();
+  void MarkForInstallingRecompiledCode();
+  void MarkInRecompileQueue();
 
   // Helpers to compile this function.  Returns true on success, false on
   // failure (e.g., stack overflow during compilation).
   static bool EnsureCompiled(Handle<JSFunction> function,
                              ClearExceptionFlag flag);
   static bool CompileLazy(Handle<JSFunction> function,
                           ClearExceptionFlag flag);
   static bool CompileOptimized(Handle<JSFunction> function,
                                BailoutId osr_ast_id,
                                ClearExceptionFlag flag);
 
   // Tells whether or not the function is already marked for lazy
   // recompilation.
   inline bool IsMarkedForLazyRecompilation();
   inline bool IsMarkedForParallelRecompilation();
+  inline bool IsMarkedForInstallingRecompiledCode();
 
   // Tells whether or not the function is on the parallel
   // recompilation queue.
   inline bool IsInRecompileQueue();
 
   // Check whether or not this function is inlineable.
   bool IsInlineable();
 
   // [literals_or_bindings]: Fixed array holding either
   // the materialized literals or the bindings of a bound function.
@@ skipping 2931 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_