[generators] Implement %GeneratorGetSourcePosition.

src/x64/builtins-x64.cc

 // 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 440 matching lines @@
 void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : the value to pass to the generator
   //  -- rbx    : the JSGeneratorObject to resume
   //  -- rdx    : the resume mode (tagged)
   //  -- rsp[0] : return address
   // -----------------------------------
   __ AssertGeneratorObject(rbx);
 
   // Store input value into generator object.
-  __ movp(FieldOperand(rbx, JSGeneratorObject::kInputOffset), rax);
-  __ RecordWriteField(rbx, JSGeneratorObject::kInputOffset, rax, rcx,
+  __ movp(FieldOperand(rbx, JSGeneratorObject::kInputOrDebugPosOffset), rax);
+  __ RecordWriteField(rbx, JSGeneratorObject::kInputOrDebugPosOffset, rax, rcx,
                       kDontSaveFPRegs);
 
   // Store resume mode into generator object.
   __ movp(FieldOperand(rbx, JSGeneratorObject::kResumeModeOffset), rdx);
 
   // Load suspended function and context.
   __ movp(rsi, FieldOperand(rbx, JSGeneratorObject::kContextOffset));
   __ movp(rdi, FieldOperand(rbx, JSGeneratorObject::kFunctionOffset));
 
   // Flood function if we are stepping.
@@ skipping 2558 matching lines @@
   __ ret(0);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64