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-rw-r--r--js/public/WasmFeatures.h124
1 files changed, 13 insertions, 111 deletions
diff --git a/js/public/WasmFeatures.h b/js/public/WasmFeatures.h
index f2089f7fba..7e30a748d2 100644
--- a/js/public/WasmFeatures.h
+++ b/js/public/WasmFeatures.h
@@ -13,22 +13,6 @@
// generate most of the feature gating code in a centralized manner. See
// 'Adding a feature' below for the exact steps needed to add a new feature.
//
-// Each feature is either `DEFAULT`, `TENTATIVE`, or `EXPERIMENTAL`:
-//
-// Default features are enabled by default in ContextOptions and in the
-// JS-shell, and are given a `--no-wasm-FEATURE` shell flag to disable. The
-// `--wasm-FEATURE` flag is rejected.
-//
-// Tentative features are like Default features, but the `--wasm-FEATURE` flag
-// is silently ignored.
-//
-// Experimental features are disabled by default in ContextOptions and in the
-// JS-shell, and are given a `--wasm-FEATURE` shell flag to enable. The
-// `--no-wasm-FEATURE` flag is silently ignored.
-//
-// The browser pref is `javascript.options.wasm-FEATURE` for default, tentative,
-// and experimental features alike.
-//
// # Adding a feature
//
// 1. Add a configure switch for the feature in js/moz.configure
@@ -44,12 +28,10 @@
// e. flag predicate: Expression used to predicate enablement of feature
// flag. Useful for disabling a feature when dependent feature is not
// enabled or if we are fuzzing.
-// f. shell flag: The stem of the JS-shell flag. Will be expanded to
-// --no-wasm-FEATURE or --wasm-FEATURE as explained above.
-// g. preference name: The stem of the browser preference. Will be expanded
+// f. preference name: The stem of the browser preference. Will be expanded
// to `javascript.options.wasm-FEATURE`.
// 4. Add the preference to module/libpref/init/StaticPrefList.yaml
-// a. Use conditionally compiled flag
+// a. Set `set_spidermonkey_pref: startup`
// b. Set value to 'true' for default features, @IS_NIGHTLY_BUILD@ for
// tentative features, and 'false' for experimental features.
// 5. [fuzzing] Add the feature to gluesmith/src/lib.rs, if wasm-smith has
@@ -60,16 +42,6 @@
#else
# define WASM_RELAXED_SIMD_ENABLED 0
#endif
-#ifdef ENABLE_WASM_EXTENDED_CONST
-# define WASM_EXTENDED_CONST_ENABLED 1
-#else
-# define WASM_EXTENDED_CONST_ENABLED 0
-#endif
-#ifdef ENABLE_WASM_FUNCTION_REFERENCES
-# define WASM_FUNCTION_REFERENCES_ENABLED 1
-#else
-# define WASM_FUNCTION_REFERENCES_ENABLED 0
-#endif
#ifdef ENABLE_WASM_GC
# define WASM_GC_ENABLED 1
#else
@@ -106,168 +78,98 @@
# define WASM_JS_STRING_BUILTINS_ENABLED 0
#endif
-enum class WasmFeatureStage {
- Experimental = 0,
- Tentative,
- Default,
-};
-
// clang-format off
#define JS_FOR_WASM_FEATURES(FEATURE) \
FEATURE( \
- /* capitalized name */ ExtendedConst, \
- /* lower case name */ extendedConst, \
- /* stage */ WasmFeatureStage::Tentative, \
- /* compile predicate */ WASM_EXTENDED_CONST_ENABLED, \
- /* compiler predicate */ true, \
- /* flag predicate */ true, \
- /* flag force enable */ false, \
- /* flag fuzz enable */ true, \
- /* shell flag */ "extended-const", \
- /* preference name */ "extended_const") \
- FEATURE( \
- /* capitalized name */ Exceptions, \
- /* lower case name */ exceptions, \
- /* stage */ WasmFeatureStage::Default, \
- /* compile predicate */ true, \
- /* compiler predicate */ AnyCompilerAvailable(cx), \
- /* flag predicate */ true, \
- /* flag force enable */ WasmExnRefFlag(cx), \
- /* flag fuzz enable */ true, \
- /* shell flag */ "exceptions", \
- /* preference name */ "exceptions") \
- FEATURE( \
/* capitalized name */ ExnRef, \
/* lower case name */ exnref, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ true, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ true, \
- /* shell flag */ "exnref", \
- /* preference name */ "exnref ") \
- FEATURE( \
- /* capitalized name */ FunctionReferences, \
- /* lower case name */ functionReferences, \
- /* stage */ WasmFeatureStage::Tentative, \
- /* compile predicate */ WASM_FUNCTION_REFERENCES_ENABLED, \
- /* compiler predicate */ AnyCompilerAvailable(cx), \
- /* flag predicate */ true, \
- /* flag force enable */ WasmGcFlag(cx), \
- /* flag fuzz enable */ false, \
- /* shell flag */ "function-references", \
- /* preference name */ "function_references") \
+ /* preference name */ exnref) \
FEATURE( \
/* capitalized name */ Gc, \
/* lower case name */ gc, \
- /* stage */ WasmFeatureStage::Tentative, \
/* compile predicate */ WASM_GC_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ false, \
- /* shell flag */ "gc", \
- /* preference name */ "gc") \
+ /* preference name */ gc) \
FEATURE( \
/* capitalized name */ JSStringBuiltins, \
/* lower case name */ jsStringBuiltins, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ WASM_JS_STRING_BUILTINS_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ true, \
- /* shell flag */ "js-string-builtins", \
- /* preference name */ "js_string_builtins") \
+ /* preference name */ js_string_builtins) \
FEATURE( \
/* capitalized name */ RelaxedSimd, \
/* lower case name */ v128Relaxed, \
- /* stage */ WasmFeatureStage::Tentative, \
/* compile predicate */ WASM_RELAXED_SIMD_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ js::jit::JitSupportsWasmSimd(), \
/* flag force enable */ false, \
/* flag fuzz enable */ true, \
- /* shell flag */ "relaxed-simd", \
- /* preference name */ "relaxed_simd") \
+ /* preference name */ relaxed_simd) \
FEATURE( \
/* capitalized name */ Memory64, \
/* lower case name */ memory64, \
- /* stage */ WasmFeatureStage::Tentative, \
/* compile predicate */ WASM_MEMORY64_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ true, \
- /* shell flag */ "memory64", \
- /* preference name */ "memory64") \
+ /* preference name */ memory64) \
FEATURE( \
/* capitalized name */ MemoryControl, \
/* lower case name */ memoryControl, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ WASM_MEMORY_CONTROL_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ false, \
- /* shell flag */ "memory-control", \
- /* preference name */ "memory_control") \
+ /* preference name */ memory_control) \
FEATURE( \
/* capitalized name */ MultiMemory, \
/* lower case name */ multiMemory, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ WASM_MULTI_MEMORY_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
- /* flag fuzz enable */ false, \
- /* shell flag */ "multi-memory", \
- /* preference name */ "multi_memory") \
+ /* flag fuzz enable */ true, \
+ /* preference name */ multi_memory) \
FEATURE( \
/* capitalized name */ TailCalls, \
/* lower case name */ tailCalls, \
- /* stage */ WasmFeatureStage::Tentative, \
/* compile predicate */ WASM_TAIL_CALLS_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ true, \
- /* shell flag */ "tail-calls", \
- /* preference name */ "tail_calls") \
+ /* preference name */ tail_calls) \
FEATURE( \
/* capitalized name */ MozIntGemm, \
/* lower case name */ mozIntGemm, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ WASM_MOZ_INTGEMM_ENABLED, \
/* compiler predicate */ AnyCompilerAvailable(cx), \
/* flag predicate */ IsSimdPrivilegedContext(cx), \
/* flag force enable */ false, \
/* flag fuzz enable */ false, \
- /* shell flag */ "moz-intgemm", \
- /* preference name */ "moz_intgemm") \
+ /* preference name */ moz_intgemm) \
FEATURE( \
/* capitalized name */ TestSerialization, \
/* lower case name */ testSerialization, \
- /* stage */ WasmFeatureStage::Experimental, \
/* compile predicate */ 1, \
/* compiler predicate */ IonAvailable(cx), \
/* flag predicate */ true, \
/* flag force enable */ false, \
/* flag fuzz enable */ false, \
- /* shell flag */ "test-serialization", \
- /* preference name */ "test-serialization") \
- FEATURE( \
- /* capitalized name */ TestMetadata, \
- /* lower case name */ testMetadata, \
- /* stage */ WasmFeatureStage::Experimental, \
- /* compile predicate */ 1, \
- /* compiler predicate */ AnyCompilerAvailable(cx), \
- /* flag predicate */ true, \
- /* flag force enable */ false, \
- /* flag fuzz enable */ false, \
- /* shell flag */ "test-metadata", \
- /* preference name */ "test_metadata")
+ /* preference name */ test_serialization)
// clang-format on
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 17:28:57 +0000