[builtins] Start refactoring the Apply builtin.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index 5bc58d7bcdee84323374f02ec236b23e1e856488..53249e62b1089c2411c7be6b9791ffd83f6a0bdf 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -176,6 +176,16 @@ void CallTrampolineDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void CallVarargsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x0 : number of arguments (on the stack, not including receiver)
+  // x1 : the target to call
+  // x2 : arguments list (FixedArray)
+  // x4 : arguments list length (untagged)
+  Register registers[] = {x1, x0, x2, x4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void CallForwardVarargsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x1: target
@@ -185,6 +195,25 @@ void CallForwardVarargsDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void CallWithArrayLikeDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x1 : the target to call
+  // x2 : the arguments list
+  Register registers[] = {x1, x2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ConstructVarargsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x0 : number of arguments (on the stack, not including receiver)
+  // x1 : the target to call
+  // x3 : the new target
+  // x2 : arguments list (FixedArray)
+  // x4 : arguments list length (untagged)
+  Register registers[] = {x1, x3, x0, x2, x4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void ConstructForwardVarargsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x3: new target
@@ -195,6 +224,15 @@ void ConstructForwardVarargsDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void ConstructWithArrayLikeDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x1 : the target to call
+  // x3 : the new target
+  // x2 : the arguments list
+  Register registers[] = {x1, x3, x2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void ConstructStubDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x3: new target