[Interpreter] Add support for JS calls.

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index f63e05f2cff7533d12d9a80d71780fd0fe88428f..cbad5202867b2336bfb2f6dfe81c51f131647803 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -1656,6 +1656,35 @@ void Builtins::Generate_Call(MacroAssembler* masm) {
 }
 
 
+// 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