[generators] Implement %GeneratorGetSourcePosition.

src/arm/builtins-arm.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_ARM
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 675 matching lines @@
 void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : the value to pass to the generator
   //  -- r1 : the JSGeneratorObject to resume
   //  -- r2 : the resume mode (tagged)
   //  -- lr : return address
   // -----------------------------------
   __ AssertGeneratorObject(r1);
 
   // Store input value into generator object.
-  __ str(r0, FieldMemOperand(r1, JSGeneratorObject::kInputOffset));
-  __ RecordWriteField(r1, JSGeneratorObject::kInputOffset, r0, r3,
+  __ str(r0, FieldMemOperand(r1, JSGeneratorObject::kInputOrDebugPosOffset));
+  __ RecordWriteField(r1, JSGeneratorObject::kInputOrDebugPosOffset, r0, r3,
                       kLRHasNotBeenSaved, kDontSaveFPRegs);
 
   // Store resume mode into generator object.
   __ str(r2, FieldMemOperand(r1, JSGeneratorObject::kResumeModeOffset));
 
   // Load suspended function and context.
   __ ldr(cp, FieldMemOperand(r1, JSGeneratorObject::kContextOffset));
   __ ldr(r4, FieldMemOperand(r1, JSGeneratorObject::kFunctionOffset));
 
   // Flood function if we are stepping.
@@ skipping 2155 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM