| // 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. |
| |
| #ifndef V8_COMPILER_WASM_COMPILER_H_ |
| #define V8_COMPILER_WASM_COMPILER_H_ |
| |
| #include <memory> |
| #include <utility> |
| |
| // Clients of this interface shouldn't depend on lots of compiler internals. |
| // Do not include anything from src/compiler here! |
| #include "src/runtime/runtime.h" |
| #include "src/wasm/function-body-decoder.h" |
| #include "src/wasm/function-compiler.h" |
| #include "src/wasm/wasm-module.h" |
| #include "src/wasm/wasm-opcodes.h" |
| #include "src/wasm/wasm-result.h" |
| #include "src/zone/zone.h" |
| |
| namespace v8 { |
| namespace internal { |
| struct AssemblerOptions; |
| class OptimizedCompilationJob; |
| |
| namespace compiler { |
| // Forward declarations for some compiler data structures. |
| class CallDescriptor; |
| class Graph; |
| class MachineGraph; |
| class Node; |
| class NodeOriginTable; |
| class Operator; |
| class SourcePositionTable; |
| class WasmDecorator; |
| class WasmGraphAssembler; |
| enum class TrapId : uint32_t; |
| struct Int64LoweringSpecialCase; |
| } // namespace compiler |
| |
| namespace wasm { |
| struct DecodeStruct; |
| // Expose {Node} and {Graph} opaquely as {wasm::TFNode} and {wasm::TFGraph}. |
| using TFNode = compiler::Node; |
| using TFGraph = compiler::MachineGraph; |
| class WasmCode; |
| class WasmFeatures; |
| enum class LoadTransformationKind : uint8_t; |
| } // namespace wasm |
| |
| namespace compiler { |
| |
| wasm::WasmCompilationResult ExecuteTurbofanWasmCompilation( |
| wasm::WasmEngine*, wasm::CompilationEnv*, const wasm::FunctionBody&, |
| int func_index, Counters*, wasm::WasmFeatures* detected); |
| |
| // Calls to Wasm imports are handled in several different ways, depending on the |
| // type of the target function/callable and whether the signature matches the |
| // argument arity. |
| enum class WasmImportCallKind : uint8_t { |
| kLinkError, // static Wasm->Wasm type error |
| kRuntimeTypeError, // runtime Wasm->JS type error |
| kWasmToCapi, // fast Wasm->C-API call |
| kWasmToWasm, // fast Wasm->Wasm call |
| kJSFunctionArityMatch, // fast Wasm->JS call |
| kJSFunctionArityMismatch, // Wasm->JS, needs adapter frame |
| // Math functions imported from JavaScript that are intrinsified |
| kFirstMathIntrinsic, |
| kF64Acos = kFirstMathIntrinsic, |
| kF64Asin, |
| kF64Atan, |
| kF64Cos, |
| kF64Sin, |
| kF64Tan, |
| kF64Exp, |
| kF64Log, |
| kF64Atan2, |
| kF64Pow, |
| kF64Ceil, |
| kF64Floor, |
| kF64Sqrt, |
| kF64Min, |
| kF64Max, |
| kF64Abs, |
| kF32Min, |
| kF32Max, |
| kF32Abs, |
| kF32Ceil, |
| kF32Floor, |
| kF32Sqrt, |
| kF32ConvertF64, |
| kLastMathIntrinsic = kF32ConvertF64, |
| // For everything else, there's the call builtin. |
| kUseCallBuiltin |
| }; |
| |
| constexpr WasmImportCallKind kDefaultImportCallKind = |
| WasmImportCallKind::kJSFunctionArityMatch; |
| |
| // Resolves which import call wrapper is required for the given JS callable. |
| // Returns the kind of wrapper need and the ultimate target callable. Note that |
| // some callables (e.g. a {WasmExportedFunction} or {WasmJSFunction}) just wrap |
| // another target, which is why the ultimate target is returned as well. |
| V8_EXPORT_PRIVATE std::pair<WasmImportCallKind, Handle<JSReceiver>> |
| ResolveWasmImportCall(Handle<JSReceiver> callable, const wasm::FunctionSig* sig, |
| const wasm::WasmModule* module, |
| const wasm::WasmFeatures& enabled_features); |
| |
| // Compiles an import call wrapper, which allows Wasm to call imports. |
| V8_EXPORT_PRIVATE wasm::WasmCompilationResult CompileWasmImportCallWrapper( |
| wasm::WasmEngine*, wasm::CompilationEnv* env, WasmImportCallKind, |
| const wasm::FunctionSig*, bool source_positions, int expected_arity); |
| |
| // Compiles a host call wrapper, which allows Wasm to call host functions. |
| wasm::WasmCode* CompileWasmCapiCallWrapper(wasm::WasmEngine*, |
| wasm::NativeModule*, |
| const wasm::FunctionSig*, |
| Address address); |
| |
| // Returns an OptimizedCompilationJob object for a JS to Wasm wrapper. |
| std::unique_ptr<OptimizedCompilationJob> NewJSToWasmCompilationJob( |
| Isolate* isolate, wasm::WasmEngine* wasm_engine, |
| const wasm::FunctionSig* sig, const wasm::WasmModule* module, |
| bool is_import, const wasm::WasmFeatures& enabled_features); |
| |
| MaybeHandle<Code> CompileWasmToJSWrapper(Isolate* isolate, |
| const wasm::FunctionSig* sig, |
| WasmImportCallKind kind, |
| int expected_arity); |
| |
| // Compiles a stub with JS linkage that serves as an adapter for function |
| // objects constructed via {WebAssembly.Function}. It performs a round-trip |
| // simulating a JS-to-Wasm-to-JS coercion of parameter and return values. |
| MaybeHandle<Code> CompileJSToJSWrapper(Isolate*, const wasm::FunctionSig*, |
| const wasm::WasmModule* module); |
| |
| enum CWasmEntryParameters { |
| kCodeEntry, |
| kObjectRef, |
| kArgumentsBuffer, |
| kCEntryFp, |
| // marker: |
| kNumParameters |
| }; |
| |
| // Compiles a stub with C++ linkage, to be called from Execution::CallWasm, |
| // which knows how to feed it its parameters. |
| V8_EXPORT_PRIVATE Handle<Code> CompileCWasmEntry( |
| Isolate*, const wasm::FunctionSig*, const wasm::WasmModule* module); |
| |
| // Values from the instance object are cached between Wasm-level function calls. |
| // This struct allows the SSA environment handling this cache to be defined |
| // and manipulated in wasm-compiler.{h,cc} instead of inside the Wasm decoder. |
| // (Note that currently, the globals base is immutable, so not cached here.) |
| struct WasmInstanceCacheNodes { |
| Node* mem_start; |
| Node* mem_size; |
| Node* mem_mask; |
| }; |
| |
| // Abstracts details of building TurboFan graph nodes for wasm to separate |
| // the wasm decoder from the internal details of TurboFan. |
| class WasmGraphBuilder { |
| public: |
| enum EnforceBoundsCheck : bool { // -- |
| kNeedsBoundsCheck = true, |
| kCanOmitBoundsCheck = false |
| }; |
| enum UseRetpoline : bool { // -- |
| kRetpoline = true, |
| kNoRetpoline = false |
| }; |
| enum CheckForNull : bool { // -- |
| kWithNullCheck = true, |
| kWithoutNullCheck = false |
| }; |
| enum CheckForI31 : bool { // -- |
| kWithI31Check = true, |
| kNoI31Check = false |
| }; |
| enum RttIsI31 : bool { // -- |
| kRttIsI31 = true, |
| kRttIsNotI31 = false |
| }; |
| |
| V8_EXPORT_PRIVATE WasmGraphBuilder( |
| wasm::CompilationEnv* env, Zone* zone, MachineGraph* mcgraph, |
| const wasm::FunctionSig* sig, |
| compiler::SourcePositionTable* spt = nullptr); |
| |
| V8_EXPORT_PRIVATE ~WasmGraphBuilder(); |
| |
| //----------------------------------------------------------------------- |
| // Operations independent of {control} or {effect}. |
| //----------------------------------------------------------------------- |
| Node* Error(); |
| Node* Start(unsigned params); |
| Node* Param(unsigned index); |
| Node* Loop(Node* entry); |
| Node* TerminateLoop(Node* effect, Node* control); |
| Node* TerminateThrow(Node* effect, Node* control); |
| Node* Merge(unsigned count, Node** controls); |
| Node* Phi(wasm::ValueType type, unsigned count, Node** vals_and_control); |
| Node* CreateOrMergeIntoPhi(MachineRepresentation rep, Node* merge, |
| Node* tnode, Node* fnode); |
| Node* CreateOrMergeIntoEffectPhi(Node* merge, Node* tnode, Node* fnode); |
| Node* EffectPhi(unsigned count, Node** effects_and_control); |
| Node* RefNull(); |
| Node* RefFunc(uint32_t function_index); |
| Node* RefAsNonNull(Node* arg, wasm::WasmCodePosition position); |
| Node* Int32Constant(int32_t value); |
| Node* Int64Constant(int64_t value); |
| Node* Float32Constant(float value); |
| Node* Float64Constant(double value); |
| Node* Simd128Constant(const uint8_t value[16]); |
| Node* Binop(wasm::WasmOpcode opcode, Node* left, Node* right, |
| wasm::WasmCodePosition position = wasm::kNoCodePosition); |
| Node* Unop(wasm::WasmOpcode opcode, Node* input, |
| wasm::WasmCodePosition position = wasm::kNoCodePosition); |
| Node* MemoryGrow(Node* input); |
| Node* Throw(uint32_t exception_index, const wasm::WasmException* exception, |
| const Vector<Node*> values, wasm::WasmCodePosition position); |
| Node* Rethrow(Node* except_obj); |
| Node* ExceptionTagEqual(Node* caught_tag, Node* expected_tag); |
| Node* LoadExceptionTagFromTable(uint32_t exception_index); |
| Node* GetExceptionTag(Node* except_obj, wasm::WasmCodePosition); |
| Node* GetExceptionValues(Node* except_obj, |
| const wasm::WasmException* exception, |
| Vector<Node*> values_out); |
| bool IsPhiWithMerge(Node* phi, Node* merge); |
| bool ThrowsException(Node* node, Node** if_success, Node** if_exception); |
| void AppendToMerge(Node* merge, Node* from); |
| void AppendToPhi(Node* phi, Node* from); |
| |
| void StackCheck(wasm::WasmCodePosition); |
| |
| void PatchInStackCheckIfNeeded(); |
| |
| //----------------------------------------------------------------------- |
| // Operations that read and/or write {control} and {effect}. |
| //----------------------------------------------------------------------- |
| Node* BranchNoHint(Node* cond, Node** true_node, Node** false_node); |
| Node* BranchExpectTrue(Node* cond, Node** true_node, Node** false_node); |
| Node* BranchExpectFalse(Node* cond, Node** true_node, Node** false_node); |
| |
| Node* TrapIfTrue(wasm::TrapReason reason, Node* cond, |
| wasm::WasmCodePosition position); |
| Node* TrapIfFalse(wasm::TrapReason reason, Node* cond, |
| wasm::WasmCodePosition position); |
| Node* TrapIfEq32(wasm::TrapReason reason, Node* node, int32_t val, |
| wasm::WasmCodePosition position); |
| Node* ZeroCheck32(wasm::TrapReason reason, Node* node, |
| wasm::WasmCodePosition position); |
| Node* TrapIfEq64(wasm::TrapReason reason, Node* node, int64_t val, |
| wasm::WasmCodePosition position); |
| Node* ZeroCheck64(wasm::TrapReason reason, Node* node, |
| wasm::WasmCodePosition position); |
| |
| Node* Switch(unsigned count, Node* key); |
| Node* IfValue(int32_t value, Node* sw); |
| Node* IfDefault(Node* sw); |
| Node* Return(Vector<Node*> nodes); |
| template <typename... Nodes> |
| Node* Return(Node* fst, Nodes*... more) { |
| Node* arr[] = {fst, more...}; |
| return Return(ArrayVector(arr)); |
| } |
| |
| Node* TraceFunctionEntry(wasm::WasmCodePosition position); |
| Node* TraceFunctionExit(Vector<Node*> vals, wasm::WasmCodePosition position); |
| |
| Node* Trap(wasm::TrapReason reason, wasm::WasmCodePosition position); |
| |
| Node* CallDirect(uint32_t index, Vector<Node*> args, Vector<Node*> rets, |
| wasm::WasmCodePosition position); |
| Node* CallIndirect(uint32_t table_index, uint32_t sig_index, |
| Vector<Node*> args, Vector<Node*> rets, |
| wasm::WasmCodePosition position); |
| Node* CallRef(uint32_t sig_index, Vector<Node*> args, Vector<Node*> rets, |
| CheckForNull null_check, wasm::WasmCodePosition position); |
| |
| Node* ReturnCall(uint32_t index, Vector<Node*> args, |
| wasm::WasmCodePosition position); |
| Node* ReturnCallIndirect(uint32_t table_index, uint32_t sig_index, |
| Vector<Node*> args, wasm::WasmCodePosition position); |
| Node* ReturnCallRef(uint32_t sig_index, Vector<Node*> args, |
| CheckForNull null_check, wasm::WasmCodePosition position); |
| |
| // Return value is not expected to be used, |
| // but we need it for compatibility with graph-builder-interface. |
| Node* BrOnNull(Node* ref_object, Node** non_null_node, Node** null_node); |
| |
| Node* Invert(Node* node); |
| |
| Node* GlobalGet(uint32_t index); |
| Node* GlobalSet(uint32_t index, Node* val); |
| Node* TableGet(uint32_t table_index, Node* index, |
| wasm::WasmCodePosition position); |
| Node* TableSet(uint32_t table_index, Node* index, Node* val, |
| wasm::WasmCodePosition position); |
| //----------------------------------------------------------------------- |
| // Operations that concern the linear memory. |
| //----------------------------------------------------------------------- |
| Node* CurrentMemoryPages(); |
| Node* TraceMemoryOperation(bool is_store, MachineRepresentation, Node* index, |
| uintptr_t offset, wasm::WasmCodePosition); |
| Node* LoadMem(wasm::ValueType type, MachineType memtype, Node* index, |
| uint64_t offset, uint32_t alignment, |
| wasm::WasmCodePosition position); |
| #if defined(V8_TARGET_BIG_ENDIAN) || defined(V8_TARGET_ARCH_S390_LE_SIM) |
| Node* LoadTransformBigEndian(wasm::ValueType type, MachineType memtype, |
| wasm::LoadTransformationKind transform, |
| Node* index, uint64_t offset, uint32_t alignment, |
| wasm::WasmCodePosition position); |
| #endif |
| Node* LoadTransform(wasm::ValueType type, MachineType memtype, |
| wasm::LoadTransformationKind transform, Node* index, |
| uint64_t offset, uint32_t alignment, |
| wasm::WasmCodePosition position); |
| Node* LoadLane(MachineType memtype, Node* value, Node* index, uint32_t offset, |
| uint8_t laneidx, wasm::WasmCodePosition position); |
| Node* StoreMem(MachineRepresentation mem_rep, Node* index, uint64_t offset, |
| uint32_t alignment, Node* val, wasm::WasmCodePosition position, |
| wasm::ValueType type); |
| Node* StoreLane(MachineRepresentation mem_rep, Node* index, uint32_t offset, |
| uint32_t alignment, Node* val, uint8_t laneidx, |
| wasm::WasmCodePosition position, wasm::ValueType type); |
| static void PrintDebugName(Node* node); |
| |
| void set_instance_node(Node* instance_node) { |
| this->instance_node_ = instance_node; |
| } |
| |
| Node* effect(); |
| Node* control(); |
| Node* SetEffect(Node* node); |
| Node* SetControl(Node* node); |
| void SetEffectControl(Node* effect, Node* control); |
| Node* SetEffectControl(Node* effect_and_control) { |
| SetEffectControl(effect_and_control, effect_and_control); |
| return effect_and_control; |
| } |
| |
| Node* GetImportedMutableGlobals(); |
| |
| void GetGlobalBaseAndOffset(MachineType mem_type, const wasm::WasmGlobal&, |
| Node** base_node, Node** offset_node); |
| |
| void GetBaseAndOffsetForImportedMutableExternRefGlobal( |
| const wasm::WasmGlobal& global, Node** base, Node** offset); |
| |
| // Utilities to manipulate sets of instance cache nodes. |
| void InitInstanceCache(WasmInstanceCacheNodes* instance_cache); |
| void PrepareInstanceCacheForLoop(WasmInstanceCacheNodes* instance_cache, |
| Node* control); |
| void NewInstanceCacheMerge(WasmInstanceCacheNodes* to, |
| WasmInstanceCacheNodes* from, Node* merge); |
| void MergeInstanceCacheInto(WasmInstanceCacheNodes* to, |
| WasmInstanceCacheNodes* from, Node* merge); |
| |
| void set_instance_cache(WasmInstanceCacheNodes* instance_cache) { |
| this->instance_cache_ = instance_cache; |
| } |
| |
| const wasm::FunctionSig* GetFunctionSignature() { return sig_; } |
| |
| enum CallOrigin { kCalledFromWasm, kCalledFromJS }; |
| |
| // Overload for when we want to provide a specific signature, rather than |
| // build one using sig_, for example after scalar lowering. |
| V8_EXPORT_PRIVATE void LowerInt64(Signature<MachineRepresentation>* sig); |
| V8_EXPORT_PRIVATE void LowerInt64(CallOrigin origin); |
| |
| V8_EXPORT_PRIVATE void SimdScalarLoweringForTesting(); |
| |
| void SetSourcePosition(Node* node, wasm::WasmCodePosition position); |
| |
| Node* S128Zero(); |
| Node* S1x4Zero(); |
| Node* S1x8Zero(); |
| Node* S1x16Zero(); |
| |
| Node* SimdOp(wasm::WasmOpcode opcode, Node* const* inputs); |
| |
| Node* SimdLaneOp(wasm::WasmOpcode opcode, uint8_t lane, Node* const* inputs); |
| |
| Node* Simd8x16ShuffleOp(const uint8_t shuffle[16], Node* const* inputs); |
| |
| Node* AtomicOp(wasm::WasmOpcode opcode, Node* const* inputs, |
| uint32_t alignment, uint64_t offset, |
| wasm::WasmCodePosition position); |
| Node* AtomicFence(); |
| |
| Node* MemoryInit(uint32_t data_segment_index, Node* dst, Node* src, |
| Node* size, wasm::WasmCodePosition position); |
| Node* MemoryCopy(Node* dst, Node* src, Node* size, |
| wasm::WasmCodePosition position); |
| Node* DataDrop(uint32_t data_segment_index, wasm::WasmCodePosition position); |
| Node* MemoryFill(Node* dst, Node* fill, Node* size, |
| wasm::WasmCodePosition position); |
| |
| Node* TableInit(uint32_t table_index, uint32_t elem_segment_index, Node* dst, |
| Node* src, Node* size, wasm::WasmCodePosition position); |
| Node* ElemDrop(uint32_t elem_segment_index, wasm::WasmCodePosition position); |
| Node* TableCopy(uint32_t table_dst_index, uint32_t table_src_index, Node* dst, |
| Node* src, Node* size, wasm::WasmCodePosition position); |
| Node* TableGrow(uint32_t table_index, Node* value, Node* delta); |
| Node* TableSize(uint32_t table_index); |
| Node* TableFill(uint32_t table_index, Node* start, Node* value, Node* count); |
| |
| Node* StructNewWithRtt(uint32_t struct_index, const wasm::StructType* type, |
| Node* rtt, Vector<Node*> fields); |
| Node* StructGet(Node* struct_object, const wasm::StructType* struct_type, |
| uint32_t field_index, CheckForNull null_check, bool is_signed, |
| wasm::WasmCodePosition position); |
| Node* StructSet(Node* struct_object, const wasm::StructType* struct_type, |
| uint32_t field_index, Node* value, CheckForNull null_check, |
| wasm::WasmCodePosition position); |
| Node* ArrayNewWithRtt(uint32_t array_index, const wasm::ArrayType* type, |
| Node* length, Node* initial_value, Node* rtt); |
| void BoundsCheck(Node* array, Node* index, wasm::WasmCodePosition position); |
| Node* ArrayGet(Node* array_object, const wasm::ArrayType* type, Node* index, |
| CheckForNull null_check, bool is_signed, |
| wasm::WasmCodePosition position); |
| Node* ArraySet(Node* array_object, const wasm::ArrayType* type, Node* index, |
| Node* value, CheckForNull null_check, |
| wasm::WasmCodePosition position); |
| Node* ArrayLen(Node* array_object, wasm::WasmCodePosition position); |
| Node* I31New(Node* input); |
| Node* I31GetS(Node* input); |
| Node* I31GetU(Node* input); |
| Node* RttCanon(wasm::HeapType type); |
| Node* RttSub(wasm::HeapType type, Node* parent_rtt); |
| Node* RefTest(Node* object, Node* rtt, CheckForNull null_check, |
| CheckForI31 i31_check, RttIsI31 rtt_is_i31); |
| Node* RefCast(Node* object, Node* rtt, CheckForNull null_check, |
| CheckForI31 i31_check, RttIsI31 rtt_is_i31, |
| wasm::WasmCodePosition position); |
| Node* BrOnCast(Node* object, Node* rtt, CheckForNull null_check, |
| CheckForI31 i31_check, RttIsI31 rtt_is_i31, |
| Node** match_control, Node** match_effect, |
| Node** no_match_control, Node** no_match_effect); |
| |
| bool has_simd() const { return has_simd_; } |
| |
| wasm::UseTrapHandler use_trap_handler() const { |
| return env_ ? env_->use_trap_handler : wasm::kNoTrapHandler; |
| } |
| |
| MachineGraph* mcgraph() { return mcgraph_; } |
| Graph* graph(); |
| |
| void AddBytecodePositionDecorator(NodeOriginTable* node_origins, |
| wasm::Decoder* decoder); |
| |
| void RemoveBytecodePositionDecorator(); |
| |
| protected: |
| Node* NoContextConstant(); |
| |
| Node* BuildLoadIsolateRoot(); |
| |
| // MemBuffer is only called with valid offsets (after bounds checking), so the |
| // offset fits in a platform-dependent uintptr_t. |
| Node* MemBuffer(uintptr_t offset); |
| |
| // BoundsCheckMem receives a uint32 {index} node and returns a ptrsize index. |
| Node* BoundsCheckMem(uint8_t access_size, Node* index, uint64_t offset, |
| wasm::WasmCodePosition, EnforceBoundsCheck); |
| // Check that the range [start, start + size) is in the range [0, max). |
| // Also updates *size with the valid range. Returns true if the range is |
| // partially out-of-bounds, traps if it is completely out-of-bounds. |
| Node* BoundsCheckRange(Node* start, Node** size, Node* max, |
| wasm::WasmCodePosition); |
| // BoundsCheckMemRange receives a uint32 {start} and {size}, and checks if it |
| // is in bounds. Also updates *size with the valid range, and converts *start |
| // to a pointer into memory at that index. Returns true if the range is |
| // partially out-of-bounds, traps if it is completely out-of-bounds. |
| Node* BoundsCheckMemRange(Node** start, Node** size, wasm::WasmCodePosition); |
| |
| Node* CheckBoundsAndAlignment(int8_t access_size, Node* index, |
| uint64_t offset, wasm::WasmCodePosition); |
| |
| Node* Uint32ToUintptr(Node*); |
| const Operator* GetSafeLoadOperator(int offset, wasm::ValueType type); |
| const Operator* GetSafeStoreOperator(int offset, wasm::ValueType type); |
| Node* BuildChangeEndiannessStore(Node* node, MachineRepresentation rep, |
| wasm::ValueType wasmtype = wasm::kWasmStmt); |
| Node* BuildChangeEndiannessLoad(Node* node, MachineType type, |
| wasm::ValueType wasmtype = wasm::kWasmStmt); |
| |
| Node* MaskShiftCount32(Node* node); |
| Node* MaskShiftCount64(Node* node); |
| |
| enum IsReturnCall : bool { kReturnCall = true, kCallContinues = false }; |
| |
| template <typename... Args> |
| Node* BuildCCall(MachineSignature* sig, Node* function, Args... args); |
| Node* BuildCallNode(const wasm::FunctionSig* sig, Vector<Node*> args, |
| wasm::WasmCodePosition position, Node* instance_node, |
| const Operator* op); |
| // Helper function for {BuildIndirectCall}. |
| void LoadIndirectFunctionTable(uint32_t table_index, Node** ift_size, |
| Node** ift_sig_ids, Node** ift_targets, |
| Node** ift_instances); |
| Node* BuildIndirectCall(uint32_t table_index, uint32_t sig_index, |
| Vector<Node*> args, Vector<Node*> rets, |
| wasm::WasmCodePosition position, |
| IsReturnCall continuation); |
| Node* BuildWasmCall(const wasm::FunctionSig* sig, Vector<Node*> args, |
| Vector<Node*> rets, wasm::WasmCodePosition position, |
| Node* instance_node, UseRetpoline use_retpoline); |
| Node* BuildWasmReturnCall(const wasm::FunctionSig* sig, Vector<Node*> args, |
| wasm::WasmCodePosition position, |
| Node* instance_node, UseRetpoline use_retpoline); |
| Node* BuildImportCall(const wasm::FunctionSig* sig, Vector<Node*> args, |
| Vector<Node*> rets, wasm::WasmCodePosition position, |
| int func_index, IsReturnCall continuation); |
| Node* BuildImportCall(const wasm::FunctionSig* sig, Vector<Node*> args, |
| Vector<Node*> rets, wasm::WasmCodePosition position, |
| Node* func_index, IsReturnCall continuation); |
| Node* BuildCallRef(uint32_t sig_index, Vector<Node*> args, Vector<Node*> rets, |
| CheckForNull null_check, IsReturnCall continuation, |
| wasm::WasmCodePosition position); |
| Node* GetBuiltinPointerTarget(int builtin_id); |
| |
| Node* BuildF32CopySign(Node* left, Node* right); |
| Node* BuildF64CopySign(Node* left, Node* right); |
| |
| Node* BuildIntConvertFloat(Node* input, wasm::WasmCodePosition position, |
| wasm::WasmOpcode); |
| Node* BuildI32Ctz(Node* input); |
| Node* BuildI32Popcnt(Node* input); |
| Node* BuildI64Ctz(Node* input); |
| Node* BuildI64Popcnt(Node* input); |
| Node* BuildBitCountingCall(Node* input, ExternalReference ref, |
| MachineRepresentation input_type); |
| |
| Node* BuildCFuncInstruction(ExternalReference ref, MachineType type, |
| Node* input0, Node* input1 = nullptr); |
| Node* BuildF32Trunc(Node* input); |
| Node* BuildF32Floor(Node* input); |
| Node* BuildF32Ceil(Node* input); |
| Node* BuildF32NearestInt(Node* input); |
| Node* BuildF64Trunc(Node* input); |
| Node* BuildF64Floor(Node* input); |
| Node* BuildF64Ceil(Node* input); |
| Node* BuildF64NearestInt(Node* input); |
| Node* BuildI32Rol(Node* left, Node* right); |
| Node* BuildI64Rol(Node* left, Node* right); |
| |
| Node* BuildF64Acos(Node* input); |
| Node* BuildF64Asin(Node* input); |
| Node* BuildF64Pow(Node* left, Node* right); |
| Node* BuildF64Mod(Node* left, Node* right); |
| |
| Node* BuildIntToFloatConversionInstruction( |
| Node* input, ExternalReference ref, |
| MachineRepresentation parameter_representation, |
| const MachineType result_type); |
| Node* BuildF32SConvertI64(Node* input); |
| Node* BuildF32UConvertI64(Node* input); |
| Node* BuildF64SConvertI64(Node* input); |
| Node* BuildF64UConvertI64(Node* input); |
| |
| Node* BuildCcallConvertFloat(Node* input, wasm::WasmCodePosition position, |
| wasm::WasmOpcode opcode); |
| |
| Node* BuildI32DivS(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI32RemS(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI32DivU(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI32RemU(Node* left, Node* right, wasm::WasmCodePosition position); |
| |
| Node* BuildI64DivS(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI64RemS(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI64DivU(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildI64RemU(Node* left, Node* right, wasm::WasmCodePosition position); |
| Node* BuildDiv64Call(Node* left, Node* right, ExternalReference ref, |
| MachineType result_type, wasm::TrapReason trap_zero, |
| wasm::WasmCodePosition position); |
| |
| Node* BuildTruncateIntPtrToInt32(Node* value); |
| Node* BuildChangeInt32ToIntPtr(Node* value); |
| Node* BuildChangeInt32ToSmi(Node* value); |
| Node* BuildChangeUint31ToSmi(Node* value); |
| Node* BuildSmiShiftBitsConstant(); |
| Node* BuildSmiShiftBitsConstant32(); |
| Node* BuildChangeSmiToInt32(Node* value); |
| Node* BuildChangeSmiToIntPtr(Node* value); |
| // generates {index > max ? Smi(max) : Smi(index)} |
| Node* BuildConvertUint32ToSmiWithSaturation(Node* index, uint32_t maxval); |
| |
| // Asm.js specific functionality. |
| Node* BuildI32AsmjsSConvertF32(Node* input); |
| Node* BuildI32AsmjsSConvertF64(Node* input); |
| Node* BuildI32AsmjsUConvertF32(Node* input); |
| Node* BuildI32AsmjsUConvertF64(Node* input); |
| Node* BuildI32AsmjsDivS(Node* left, Node* right); |
| Node* BuildI32AsmjsRemS(Node* left, Node* right); |
| Node* BuildI32AsmjsDivU(Node* left, Node* right); |
| Node* BuildI32AsmjsRemU(Node* left, Node* right); |
| Node* BuildAsmjsLoadMem(MachineType type, Node* index); |
| Node* BuildAsmjsStoreMem(MachineType type, Node* index, Node* val); |
| |
| // Wasm SIMD. |
| Node* BuildF64x2Ceil(Node* input); |
| Node* BuildF64x2Floor(Node* input); |
| Node* BuildF64x2Trunc(Node* input); |
| Node* BuildF64x2NearestInt(Node* input); |
| Node* BuildF32x4Ceil(Node* input); |
| Node* BuildF32x4Floor(Node* input); |
| Node* BuildF32x4Trunc(Node* input); |
| Node* BuildF32x4NearestInt(Node* input); |
| |
| void BuildEncodeException32BitValue(Node* values_array, uint32_t* index, |
| Node* value); |
| Node* BuildDecodeException32BitValue(Node* values_array, uint32_t* index); |
| Node* BuildDecodeException64BitValue(Node* values_array, uint32_t* index); |
| |
| Node* BuildMultiReturnFixedArrayFromIterable(const wasm::FunctionSig* sig, |
| Node* iterable, Node* context); |
| |
| Node* BuildLoadFunctionDataFromJSFunction(Node* closure); |
| Node* BuildLoadJumpTableOffsetFromExportedFunctionData(Node* function_data); |
| Node* BuildLoadFunctionIndexFromExportedFunctionData(Node* function_data); |
| |
| //----------------------------------------------------------------------- |
| // Operations involving the CEntry, a dependency we want to remove |
| // to get off the GC heap. |
| //----------------------------------------------------------------------- |
| Node* BuildCallToRuntime(Runtime::FunctionId f, Node** parameters, |
| int parameter_count); |
| |
| Node* BuildCallToRuntimeWithContext(Runtime::FunctionId f, Node* js_context, |
| Node** parameters, int parameter_count); |
| TrapId GetTrapIdForTrap(wasm::TrapReason reason); |
| |
| void AddInt64LoweringReplacement(CallDescriptor* original, |
| CallDescriptor* replacement); |
| |
| CallDescriptor* GetI32AtomicWaitCallDescriptor(); |
| |
| CallDescriptor* GetI64AtomicWaitCallDescriptor(); |
| |
| Node* StoreArgsInStackSlot( |
| std::initializer_list<std::pair<MachineRepresentation, Node*>> args); |
| |
| std::unique_ptr<WasmGraphAssembler> gasm_; |
| Zone* const zone_; |
| MachineGraph* const mcgraph_; |
| wasm::CompilationEnv* const env_; |
| |
| WasmInstanceCacheNodes* instance_cache_ = nullptr; |
| |
| SetOncePointer<Node> instance_node_; |
| SetOncePointer<Node> globals_start_; |
| SetOncePointer<Node> imported_mutable_globals_; |
| SetOncePointer<Node> stack_check_code_node_; |
| SetOncePointer<Node> isolate_root_node_; |
| SetOncePointer<const Operator> stack_check_call_operator_; |
| |
| bool has_simd_ = false; |
| bool needs_stack_check_ = false; |
| const bool untrusted_code_mitigations_ = true; |
| |
| const wasm::FunctionSig* const sig_; |
| |
| compiler::WasmDecorator* decorator_ = nullptr; |
| |
| compiler::SourcePositionTable* const source_position_table_ = nullptr; |
| |
| std::unique_ptr<Int64LoweringSpecialCase> lowering_special_case_; |
| CallDescriptor* i32_atomic_wait_descriptor_ = nullptr; |
| CallDescriptor* i64_atomic_wait_descriptor_ = nullptr; |
| }; |
| |
| enum WasmCallKind { kWasmFunction, kWasmImportWrapper, kWasmCapiFunction }; |
| |
| V8_EXPORT_PRIVATE CallDescriptor* GetWasmCallDescriptor( |
| Zone* zone, const wasm::FunctionSig* signature, |
| WasmGraphBuilder::UseRetpoline use_retpoline = |
| WasmGraphBuilder::kNoRetpoline, |
| WasmCallKind kind = kWasmFunction); |
| |
| V8_EXPORT_PRIVATE CallDescriptor* GetI32WasmCallDescriptor( |
| Zone* zone, const CallDescriptor* call_descriptor); |
| |
| V8_EXPORT_PRIVATE CallDescriptor* GetI32WasmCallDescriptorForSimd( |
| Zone* zone, CallDescriptor* call_descriptor); |
| |
| AssemblerOptions WasmAssemblerOptions(); |
| AssemblerOptions WasmStubAssemblerOptions(); |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_WASM_COMPILER_H_ |
