PPC/s390: [wasm] Use builtins wrappers for traps

src/compiler/s390/code-generator-s390.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 2389 matching lines @@
    public:
     OutOfLineTrap(CodeGenerator* gen, bool frame_elided, Instruction* instr)
         : OutOfLineCode(gen),
           frame_elided_(frame_elided),
           instr_(instr),
           gen_(gen) {}
 
     void Generate() final {
       S390OperandConverter i(gen_, instr_);
 
-      Runtime::FunctionId trap_id = static_cast<Runtime::FunctionId>(
-          i.InputInt32(instr_->InputCount() - 1));
+      Builtins::Name trap_id =
+          static_cast<Builtins::Name>(i.InputInt32(instr_->InputCount() - 1));
       bool old_has_frame = __ has_frame();
       if (frame_elided_) {
         __ set_has_frame(true);
         __ EnterFrame(StackFrame::WASM_COMPILED);
       }
       GenerateCallToTrap(trap_id);
       if (frame_elided_) {
         __ set_has_frame(old_has_frame);
       }
     }
 
    private:
-    void GenerateCallToTrap(Runtime::FunctionId trap_id) {
-      if (trap_id == Runtime::kNumFunctions) {
+    void GenerateCallToTrap(Builtins::Name trap_id) {
+      if (trap_id == Builtins::builtin_count) {
         // We cannot test calls to the runtime in cctest/test-run-wasm.
         // Therefore we emit a call to C here instead of a call to the runtime.
         // We use the context register as the scratch register, because we do
         // not have a context here.
         __ PrepareCallCFunction(0, 0, cp);
         __ CallCFunction(
             ExternalReference::wasm_call_trap_callback_for_testing(isolate()),
             0);
         __ LeaveFrame(StackFrame::WASM_COMPILED);
         __ Ret();
       } else {
-        __ Move(cp, Smi::kZero);
         gen_->AssembleSourcePosition(instr_);
-        __ CallRuntime(trap_id);
+        __ Call(handle(isolate()->builtins()->builtin(trap_id), isolate()),
+                RelocInfo::CODE_TARGET);
         ReferenceMap* reference_map =
             new (gen_->zone()) ReferenceMap(gen_->zone());
         gen_->RecordSafepoint(reference_map, Safepoint::kSimple, 0,
                               Safepoint::kNoLazyDeopt);
         if (FLAG_debug_code) {
           __ stop(GetBailoutReason(kUnexpectedReturnFromWasmTrap));
         }
       }
     }
 
@@ skipping 447 matching lines @@
       padding_size -= 2;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8