[builtins] Introduce new TFC macro and auto-generate TFS descriptors

src/builtins/builtins.cc

Index: src/builtins/builtins.cc
diff --git a/src/builtins/builtins.cc b/src/builtins/builtins.cc
index e9528319bde577f7a811a2ec3b4188e46049a535..6405ea6754738d6fd84ce44937e39827f3b3f7ec 100644
--- a/src/builtins/builtins.cc
+++ b/src/builtins/builtins.cc
@@ -142,12 +142,18 @@ void Builtins::SetUp(Isolate* isolate, bool create_heap_objects) {
   code = BuildWithCodeStubAssemblerJS(isolate, &Generate_##Name, Argc, \
                                       kBuiltinFlags, #Name);           \
   builtins_[index++] = code;
-#define BUILD_TFS(Name, InterfaceDescriptor, result_size)                   \
+#define BUILD_TFC(Name, InterfaceDescriptor, result_size)                   \
   { InterfaceDescriptor##Descriptor descriptor(isolate); }                  \
   code = BuildWithCodeStubAssemblerCS(isolate, &Generate_##Name,            \
                                       CallDescriptors::InterfaceDescriptor, \
                                       kBuiltinFlags, #Name, result_size);   \
   builtins_[index++] = code;
+#define BUILD_TFS(Name, ...)                                                \
+  /* Return size for generic TF builtins (stub linkage) is always 1. */     \
+  code = BuildWithCodeStubAssemblerCS(isolate, &Generate_##Name,            \
+                                      CallDescriptors::Name, kBuiltinFlags, \
+                                      #Name, 1);                            \
+  builtins_[index++] = code;
 #define BUILD_TFH(Name, Kind, Extra, InterfaceDescriptor)              \
   { InterfaceDescriptor##Descriptor descriptor(isolate); }             \
   /* Return size for IC builtins/handlers is always 1. */              \
@@ -160,12 +166,13 @@ void Builtins::SetUp(Isolate* isolate, bool create_heap_objects) {
       BuildWithMacroAssembler(isolate, Generate_##Name, kBuiltinFlags, #Name); \
   builtins_[index++] = code;
 
-    BUILTIN_LIST(BUILD_CPP, BUILD_API, BUILD_TFJ, BUILD_TFS, BUILD_TFH,
-                 BUILD_ASM, BUILD_ASM);
+    BUILTIN_LIST(BUILD_CPP, BUILD_API, BUILD_TFJ, BUILD_TFC, BUILD_TFS,
+                 BUILD_TFH, BUILD_ASM, BUILD_ASM);
 
 #undef BUILD_CPP
 #undef BUILD_API
 #undef BUILD_TFJ
+#undef BUILD_TFC
 #undef BUILD_TFS
 #undef BUILD_TFH
 #undef BUILD_ASM
@@ -294,7 +301,7 @@ Callable Builtins::CallableFor(Isolate* isolate, Name name) {
     return Callable(code, descriptor);                                   \
   }
     BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, CASE, CASE,
-                 IGNORE_BUILTIN, IGNORE_BUILTIN)
+                 CASE, IGNORE_BUILTIN, IGNORE_BUILTIN)
 #undef CASE
     default:
       UNREACHABLE();
@@ -341,7 +348,7 @@ bool Builtins::IsCpp(int index) {
     return true;
 #define BUILTIN_LIST_CPP(V)                                       \
   BUILTIN_LIST(V, IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, \
-               IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
+               IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
     BUILTIN_LIST_CPP(CASE)
 #undef BUILTIN_LIST_CPP
 #undef CASE
@@ -360,7 +367,7 @@ bool Builtins::IsApi(int index) {
     return true;
 #define BUILTIN_LIST_API(V)                                       \
   BUILTIN_LIST(IGNORE_BUILTIN, V, IGNORE_BUILTIN, IGNORE_BUILTIN, \
-               IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
+               IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
     BUILTIN_LIST_API(CASE);
 #undef BUILTIN_LIST_API
 #undef CASE