| // Copyright 2018 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/wasm/wasm-features.h" |
| #include "src/execution/isolate.h" |
| #include "src/flags/flags.h" |
| #include "src/handles/handles-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace wasm { |
| |
| // static |
| WasmFeatures WasmFeatures::FromFlags() { |
| WasmFeatures features = WasmFeatures::None(); |
| #define FLAG_REF(feat, ...) \ |
| if (FLAG_experimental_wasm_##feat) features.Add(kFeature_##feat); |
| FOREACH_WASM_FEATURE(FLAG_REF) |
| #undef FLAG_REF |
| return features; |
| } |
| |
| // static |
| WasmFeatures WasmFeatures::FromIsolate(Isolate* isolate) { |
| WasmFeatures features = WasmFeatures::FromFlags(); |
| if (isolate->AreWasmThreadsEnabled(handle(isolate->context(), isolate))) { |
| features.Add(kFeature_threads); |
| } |
| if (isolate->IsWasmSimdEnabled(handle(isolate->context(), isolate))) { |
| features.Add(kFeature_simd); |
| } |
| return features; |
| } |
| |
| } // namespace wasm |
| } // namespace internal |
| } // namespace v8 |
