[wasm][cleanup] Name interpreter entry consistently

The interpreter entry was sometimes referred to as "interpreter stub"
or "interpreter wrapper". Use the term "interpreter entry" consistently.

R=titzer@chromium.org

Bug: v8:7754
Change-Id: Ia06449c91300fca454c6afd5c82a789749d6b7d0
Reviewed-on: https://chromium-review.googlesource.com/1058794
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53184}

src/frames.cc

@@ -460,7 +460,7 @@ StackFrame::Type StackFrame::ComputeType(const StackFrameIteratorBase* iterator,
         iterator->isolate()->wasm_engine()->code_manager()->LookupCode(pc);
     if (wasm_code != nullptr) {
       switch (wasm_code->kind()) {
-        case wasm::WasmCode::kInterpreterStub:
+        case wasm::WasmCode::kInterpreterEntry:
           return WASM_INTERPRETER_ENTRY;
         case wasm::WasmCode::kFunction:
           return WASM_COMPILED;

src/log.cc

@@ -61,7 +61,7 @@ static const char* ComputeMarker(const wasm::WasmCode* code) {
   switch (code->kind()) {
     case wasm::WasmCode::kFunction:
       return code->is_liftoff() ? "" : "*";
-    case wasm::WasmCode::kInterpreterStub:
+    case wasm::WasmCode::kInterpreterEntry:
       return "~";
     default:
       return "";

src/wasm/wasm-code-manager.cc

@@ -304,8 +304,8 @@ const char* GetWasmCodeKindAsString(WasmCode::Kind kind) {
       return "wasm-to-js";
     case WasmCode::kLazyStub:
       return "lazy-compile";
-    case WasmCode::kInterpreterStub:
-      return "interpreter-entry";
+    case WasmCode::kInterpreterEntry:
+      return "interpreter entry";
     case WasmCode::kTrampoline:
       return "trampoline";
   }
@@ -415,9 +415,8 @@ WasmCode* NativeModule::AddCodeCopy(Handle<Code> code, WasmCode::Kind kind,
   return ret;
 }
 
-WasmCode* NativeModule::AddInterpreterWrapper(Handle<Code> code,
-                                              uint32_t index) {
-  WasmCode* ret = AddAnonymousCode(code, WasmCode::kInterpreterStub);
+WasmCode* NativeModule::AddInterpreterEntry(Handle<Code> code, uint32_t index) {
+  WasmCode* ret = AddAnonymousCode(code, WasmCode::kInterpreterEntry);
   ret->index_ = Just(index);
   return ret;
 }

src/wasm/wasm-code-manager.h

@@ -85,7 +85,7 @@ class V8_EXPORT_PRIVATE WasmCode final {
     kFunction,
     kWasmToJsWrapper,
     kLazyStub,
-    kInterpreterStub,
+    kInterpreterEntry,
     kTrampoline
   };
 
@@ -230,11 +230,11 @@ class V8_EXPORT_PRIVATE NativeModule final {
   // certain wrappers using a different pipeline.
   WasmCode* AddCodeCopy(Handle<Code> code, WasmCode::Kind kind, uint32_t index);
 
-  // Add an interpreter wrapper. For the same reason as AddCodeCopy, we
+  // Add an interpreter entry. For the same reason as AddCodeCopy, we
   // currently compile these using a different pipeline and we can't get a
   // CodeDesc here. When adding interpreter wrappers, we do not insert them in
   // the code_table, however, we let them self-identify as the {index} function
-  WasmCode* AddInterpreterWrapper(Handle<Code> code, uint32_t index);
+  WasmCode* AddInterpreterEntry(Handle<Code> code, uint32_t index);
 
   // When starting lazy compilation, provide the WasmLazyCompile builtin by
   // calling SetLazyBuiltin. It will initialize the code table with it. Copies

src/wasm/wasm-debug.cc

@@ -678,7 +678,7 @@ void WasmDebugInfo::RedirectToInterpreter(Handle<WasmDebugInfo> debug_info,
     Handle<Code> new_code = compiler::CompileWasmInterpreterEntry(
         isolate, func_index, module->functions[func_index].sig);
     const wasm::WasmCode* wasm_new_code =
-        native_module->AddInterpreterWrapper(new_code, func_index);
+        native_module->AddInterpreterEntry(new_code, func_index);
     const wasm::WasmCode* old_code =
         native_module->code(static_cast<uint32_t>(func_index));
     Handle<Foreign> foreign_holder = isolate->factory()->NewForeign(

src/wasm/wasm-interpreter.cc

@@ -2455,7 +2455,7 @@ class ThreadImpl {
     }
 
     // Call to external function.
-    if (code->kind() == wasm::WasmCode::kInterpreterStub ||
+    if (code->kind() == wasm::WasmCode::kInterpreterEntry ||
         code->kind() == wasm::WasmCode::kWasmToJsWrapper) {
       return CallExternalWasmFunction(isolate, instance, code, signature);
     }