[wasm] remove faux code objects

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index 01b366431b2753a2a8104aea1eb56815b43c4574..40a35157fa23336d73530bd23e86712757a170f5 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -196,6 +196,11 @@ uint32_t RelocInfo::wasm_memory_size_reference() {
   return Memory::uint32_at(pc_);
 }
 
+uint32_t RelocInfo::wasm_function_index() {
+  DCHECK(IsWasmCall(rmode_));
+  return Memory::uint32_at(pc_);
+}
+
 void RelocInfo::update_wasm_memory_reference(
     Address old_base, Address new_base, uint32_t old_size, uint32_t new_size,
     ICacheFlushMode icache_flush_mode) {
@@ -1603,6 +1608,15 @@ void Assembler::call(Handle<Code> code,
   emit(code, rmode, ast_id);
 }
 
+void Assembler::wasm_call(uint32_t index, RelocInfo::Mode rmode) {
+  DCHECK(RelocInfo::IsWasmCall(rmode));
+  positions_recorder()->WriteRecordedPositions();
+  EnsureSpace ensure_space(this);
+  EMIT(0xE8);
+  RecordRelocInfo(rmode);
+
+  emit(index);
+}
 
 void Assembler::jmp(Label* L, Label::Distance distance) {
   EnsureSpace ensure_space(this);