[runtime] [proxy] removing JSFunctionProxy and related code.

src/arm64/builtins-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 1656 matching lines @@
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the target to call (can be any Object).
   // -----------------------------------
 
   Label non_callable, non_function, non_smi;
   __ JumpIfSmi(x1, &non_callable);
   __ Bind(&non_smi);
   __ CompareObjectType(x1, x4, x5, JS_FUNCTION_TYPE);
   __ Jump(masm->isolate()->builtins()->CallFunction(mode),
           RelocInfo::CODE_TARGET, eq);
-  __ Cmp(x5, JS_FUNCTION_PROXY_TYPE);
+  __ Cmp(x5, JS_PROXY_TYPE);
   __ B(ne, &non_function);
 
-  // 1. Call to function proxy.
+  // 1. Call to proxy.
   // TODO(neis): This doesn't match the ES6 spec for [[Call]] on proxies.
-  __ Ldr(x1, FieldMemOperand(x1, JSFunctionProxy::kCallTrapOffset));
-  __ AssertNotSmi(x1);
-  __ B(&non_smi);
 
   // 2. Call to something else, which might have a [[Call]] internal method (if
   // not we raise an exception).
   __ Bind(&non_function);
   // Check if target has a [[Call]] internal method.
   __ Ldrb(x4, FieldMemOperand(x4, Map::kBitFieldOffset));
   __ TestAndBranchIfAllClear(x4, 1 << Map::kIsCallable, &non_callable);
   // Overwrite the original receiver with the (original) target.
   __ Poke(x1, Operand(x0, LSL, kXRegSizeLog2));
   // Let the "call_as_function_delegate" take care of the rest.
@@ skipping 31 matching lines @@
   __ Ldr(x4, FieldMemOperand(x4, SharedFunctionInfo::kConstructStubOffset));
   __ Add(x4, x4, Code::kHeaderSize - kHeapObjectTag);
   __ Br(x4);
 }
 
 
 // static
 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
-  //  -- x1 : the constructor to call (checked to be a JSFunctionProxy)
+  //  -- x1 : the constructor to call (checked to be a JSProxy)
   //  -- x3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // TODO(neis): This doesn't match the ES6 spec for [[Construct]] on proxies.
-  __ Ldr(x1, FieldMemOperand(x1, JSFunctionProxy::kConstructTrapOffset));
   __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
 }
 
 
 // static
 void Builtins::Generate_Construct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the constructor to call (can be any Object)
   //  -- x3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // Check if target is a Smi.
   Label non_constructor;
   __ JumpIfSmi(x1, &non_constructor);
 
   // Dispatch based on instance type.
   __ CompareObjectType(x1, x4, x5, JS_FUNCTION_TYPE);
   __ Jump(masm->isolate()->builtins()->ConstructFunction(),
           RelocInfo::CODE_TARGET, eq);
-  __ Cmp(x5, JS_FUNCTION_PROXY_TYPE);
+  __ Cmp(x5, JS_PROXY_TYPE);
   __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET,
           eq);
 
   // Check if target has a [[Construct]] internal method.
   __ Ldrb(x2, FieldMemOperand(x4, Map::kBitFieldOffset));
   __ TestAndBranchIfAllClear(x2, 1 << Map::kIsConstructor, &non_constructor);
 
   // Called Construct on an exotic Object with a [[Construct]] internal method.
   {
     // Overwrite the original receiver with the (original) target.
@@ skipping 251 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM