MIPS: Profiler experiments: Fix debugger in the presence of self-optimization headers

src/mips/full-codegen-mips.cc

 // 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 102 matching lines @@
  private:
   MacroAssembler* masm_;
   Label patch_site_;
 #ifdef DEBUG
   bool info_emitted_;
 #endif
 };
 
 
 int FullCodeGenerator::self_optimization_header_size() {
-  return 0;  // TODO(jkummerow): determine correct value.
+  return 11 * Instruction::kInstrSize;
 }
 
 
 // Generate code for a JS function.  On entry to the function the receiver
 // and arguments have been pushed on the stack left to right.  The actual
 // argument count matches the formal parameter count expected by the
 // function.
 //
 // The live registers are:
 //   o a1: the JS function object being called (i.e. ourselves)
@@ skipping 23 matching lines @@
         Smi::FromInt(Compiler::kCallsUntilPrimitiveOpt));
     JSGlobalPropertyCell* cell;
     if (maybe_cell->To(&cell)) {
       __ li(a2, Handle<JSGlobalPropertyCell>(cell));
       __ lw(a3, FieldMemOperand(a2, JSGlobalPropertyCell::kValueOffset));
       __ Subu(a3, a3, Operand(Smi::FromInt(1)));
       __ sw(a3, FieldMemOperand(a2, JSGlobalPropertyCell::kValueOffset));
       Handle<Code> compile_stub(
           isolate()->builtins()->builtin(Builtins::kLazyRecompile));
       __ Jump(compile_stub, RelocInfo::CODE_TARGET, eq, a3, Operand(zero_reg));
-      ASSERT(masm_->pc_offset() == self_optimization_header_size());
+      ASSERT_EQ(masm_->pc_offset(), self_optimization_header_size());
     }
   }
 
 #ifdef DEBUG
   if (strlen(FLAG_stop_at) > 0 &&
       info->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) {
     __ stop("stop-at");
   }
 #endif
 
@@ skipping 4286 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS