[Interpreter] Add support for JS calls.

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 1638 matching lines @@
     __ mov(r1, r0);
     __ Pop(r0);
     __ SmiUntag(r0);
   }
   // The delegate is always a regular function.
   __ AssertFunction(r1);
   __ Jump(masm->isolate()->builtins()->CallFunction(), RelocInfo::CODE_TARGET);
 }
 
 
+// static
+void Builtins::Generate_PushArgsAndCall(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- r0 : the number of arguments (not including the receiver)
+  //  -- r2 : the address of the first argument to be pushed. Subsequent
+  //          arguments should be consecutive above this, in the same order as
+  //          they are to be pushed onto the stack.
+  //  -- r1 : the target to call (can be any Object).
+
+  // Find the address of the last argument.
+  __ add(r3, r0, Operand(1));  // Add one for receiver.
+  __ mov(r3, Operand(r3, LSL, kPointerSizeLog2));
+  __ sub(r3, r2, r3);
+
+  // Push the arguments.
+  Label loop_header, loop_check;
+  __ b(al, &loop_check);
+  __ bind(&loop_header);
+  __ ldr(r4, MemOperand(r2, -kPointerSize, PostIndex));
+  __ push(r4);
+  __ bind(&loop_check);
+  __ cmp(r2, r3);
+  __ b(gt, &loop_header);
+
+  // Call the target.
+  __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+}
+
+
 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : actual number of arguments
   //  -- r1 : function (passed through to callee)
   //  -- r2 : expected number of arguments
   // -----------------------------------
 
   Label stack_overflow;
   ArgumentAdaptorStackCheck(masm, &stack_overflow);
   Label invoke, dont_adapt_arguments;
@@ skipping 130 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM