137 lines
7.3 KiB
C++
137 lines
7.3 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#ifndef HERMES_PUBLIC_RUNTIMECONFIG_H
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#define HERMES_PUBLIC_RUNTIMECONFIG_H
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#include "hermes/Public/CrashManager.h"
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#include "hermes/Public/CtorConfig.h"
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#include "hermes/Public/GCConfig.h"
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#include <memory>
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#ifdef HERMESVM_SERIALIZE
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#include <vector>
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namespace llvm {
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class MemoryBuffer;
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class raw_ostream;
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} // namespace llvm
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#endif
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namespace hermes {
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namespace vm {
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class PinnedHermesValue;
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#ifdef HERMESVM_SERIALIZE
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class Serializer;
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class Deserializer;
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#endif
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// Parameters for Runtime initialisation. Check documentation in README.md
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// constexpr indicates that the default value is constexpr.
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#define RUNTIME_FIELDS_BASE(F) \
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/* Parameters to be passed on to the GC. */ \
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F(HERMES_NON_CONSTEXPR, vm::GCConfig, GCConfig) \
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\
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/* Pre-allocated Register Stack */ \
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F(constexpr, PinnedHermesValue *, RegisterStack, nullptr) \
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\
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/* Register Stack Size */ \
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F(constexpr, unsigned, MaxNumRegisters, 1024 * 1024) \
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\
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/* Whether or not the JIT is enabled */ \
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F(constexpr, bool, EnableJIT, false) \
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\
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/* Whether to allow eval and Function ctor */ \
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F(constexpr, bool, EnableEval, true) \
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\
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/* Whether to verify the IR generated by eval and Function ctor */ \
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F(constexpr, bool, VerifyEvalIR, false) \
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\
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/* Support for ES6 Proxy. */ \
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F(constexpr, bool, ES6Proxy, false) \
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\
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/* Support for ES6 Symbol. */ \
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F(constexpr, bool, ES6Symbol, true) \
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\
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/* Trace non-deterministic JS behavior */ \
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F(constexpr, bool, TraceEnvironmentInteractions, false) \
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\
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/* Enable sampling certain statistics. */ \
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F(constexpr, bool, EnableSampledStats, false) \
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\
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/* Whether to enable sampling profiler */ \
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F(constexpr, bool, EnableSampleProfiling, false) \
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\
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/* Whether to randomize stack placement etc. */ \
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F(constexpr, bool, RandomizeMemoryLayout, false) \
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\
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/* Eagerly read bytecode into page cache. */ \
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F(constexpr, unsigned, BytecodeWarmupPercent, 0) \
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\
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/* Signal-based I/O tracking. Slows down execution. If enabled, */ \
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/* all bytecode buffers > 64 kB passed to Hermes must be mmap:ed. */ \
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F(constexpr, bool, TrackIO, false) \
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\
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/* Enable contents of HermesInternal */ \
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F(constexpr, bool, EnableHermesInternal, true) \
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\
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/* Enable methods exposed to JS for testing */ \
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F(constexpr, bool, EnableHermesInternalTestMethods, false) \
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\
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/* Allows Function.toString() to return the original source code */ \
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/* if available. For this to work code must have been compiled at */ \
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/* runtime with CompileFlags::allowFunctionToStringWithRuntimeSource set. */ \
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F(constexpr, bool, AllowFunctionToStringWithRuntimeSource, false) \
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\
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/* An interface for managing crashes. */ \
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F(HERMES_NON_CONSTEXPR, \
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std::shared_ptr<CrashManager>, \
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CrashMgr, \
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new NopCrashManager) \
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\
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/* The flags passed from a VM experiment */ \
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F(constexpr, uint32_t, VMExperimentFlags, 0) \
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/* RUNTIME_FIELDS END */
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#ifdef HERMESVM_SERIALIZE
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using ExternalPointersVectorFunction = std::vector<void *>();
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#define RUNTIME_FIELDS_SD(F) \
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/* Should serialize after initialization */ \
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F(HERMES_NON_CONSTEXPR, \
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std::shared_ptr<llvm::raw_ostream>, \
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SerializeAfterInitFile, \
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nullptr) \
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/* Should deserialize instead of initialization */ \
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F(HERMES_NON_CONSTEXPR, \
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std::shared_ptr<llvm::MemoryBuffer>, \
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DeserializeFile, \
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nullptr) \
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/* A function to get pointer values not visible to Runtime. e.g. \
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* function pointers defined in ConsoleHost*/ \
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F(constexpr, \
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ExternalPointersVectorFunction *, \
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ExternalPointersVectorCallBack, \
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nullptr)
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#define RUNTIME_FIELDS(F) \
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RUNTIME_FIELDS_BASE(F) \
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RUNTIME_FIELDS_SD(F)
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#else // ifndef HERMESVM_SERIALIZE
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#define RUNTIME_FIELDS(F) RUNTIME_FIELDS_BASE(F)
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#endif // HERMESVM_SERIALIZE
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_HERMES_CTORCONFIG_STRUCT(RuntimeConfig, RUNTIME_FIELDS, {});
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#undef RUNTIME_FIELDS
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} // namespace vm
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} // namespace hermes
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#endif // HERMES_PUBLIC_RUNTIMECONFIG_H
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