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BytecodeList.rb
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1653 lines (1467 loc) · 34.7 KB
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# Copyright (C) 2018-2019 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
types [
:VirtualRegister,
:BasicBlockLocation,
:BoundLabel,
:DebugHookType,
:ECMAMode,
:ErrorTypeWithExtension,
:GetByIdMode,
:GetByIdModeMetadata,
:GetByValHistory,
:GetPutInfo,
:IndexingType,
:IterationModeMetadata,
:JSCell,
:JSGlobalLexicalEnvironment,
:JSGlobalObject,
:JSModuleEnvironment,
:JSObject,
:JSScope,
:JSType,
:JSValue,
:LLIntCallLinkInfo,
:ResultType,
:OperandTypes,
:PrivateFieldPutKind,
:ProfileTypeBytecodeFlag,
:PropertyOffset,
:PutByIdFlags,
:ResolveType,
:Structure,
:StructureID,
:StructureChain,
:SymbolTable,
:SymbolTableOrScopeDepth,
:ToThisStatus,
:TypeLocation,
:WasmBoundLabel,
:WatchpointSet,
:ValueProfile,
:ValueProfileAndVirtualRegisterBuffer,
:UnaryArithProfile,
:BinaryArithProfile,
:ArrayProfile,
:ArrayAllocationProfile,
:ObjectAllocationProfile,
]
templates [
:WriteBarrier,
:WriteBarrierBase,
]
begin_section :Bytecode,
emit_in_h_file: true,
emit_in_structs_file: true,
emit_in_asm_file: true,
emit_opcode_id_string_values_in_h_file: true,
macro_name_component: :BYTECODE,
asm_prefix: "llint_",
op_prefix: "op_"
op :wide16
op :wide32
op :enter
op :get_scope,
args: {
dst: VirtualRegister
}
op :create_direct_arguments,
args: {
dst: VirtualRegister,
}
op :create_scoped_arguments,
args: {
dst: VirtualRegister,
scope: VirtualRegister,
}
op :create_cloned_arguments,
args: {
dst: VirtualRegister,
}
op :create_arguments_butterfly,
args: {
dst: VirtualRegister,
}
op :create_this,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
inlineCapacity: unsigned,
},
metadata: {
cachedCallee: WriteBarrier[JSCell]
}
op :create_promise,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
isInternalPromise: bool,
},
metadata: {
cachedCallee: WriteBarrier[JSCell]
}
op :new_promise,
args: {
dst: VirtualRegister,
isInternalPromise: bool,
}
op :new_generator,
args: {
dst: VirtualRegister,
}
op_group :CreateInternalFieldObjectOp,
[
:create_generator,
:create_async_generator,
],
args: {
dst: VirtualRegister,
callee: VirtualRegister,
},
metadata: {
cachedCallee: WriteBarrier[JSCell]
}
op :get_argument,
args: {
dst: VirtualRegister,
index: int,
},
metadata: {
profile: ValueProfile,
}
op :argument_count,
args: {
dst: VirtualRegister,
}
op :to_this,
args: {
srcDst: VirtualRegister,
ecmaMode: ECMAMode,
},
metadata: {
cachedStructureID: StructureID,
toThisStatus: ToThisStatus,
profile: ValueProfile,
}
op :check_tdz,
args: {
targetVirtualRegister: VirtualRegister,
}
op :new_object,
args: {
dst: VirtualRegister,
inlineCapacity: unsigned,
},
metadata: {
objectAllocationProfile: ObjectAllocationProfile,
}
op :new_array,
args: {
dst: VirtualRegister,
argv: VirtualRegister,
argc: unsigned,
recommendedIndexingType: IndexingType,
},
metadata: {
arrayAllocationProfile: ArrayAllocationProfile,
}
op :new_array_with_size,
args: {
dst: VirtualRegister,
length: VirtualRegister,
},
metadata: {
arrayAllocationProfile: ArrayAllocationProfile,
}
op :new_array_buffer,
args: {
dst: VirtualRegister,
immutableButterfly: VirtualRegister,
recommendedIndexingType: IndexingType
},
metadata: {
arrayAllocationProfile: ArrayAllocationProfile,
}
op :new_array_with_spread,
args: {
dst: VirtualRegister,
argv: VirtualRegister,
argc: unsigned,
bitVector: unsigned,
}
op :spread,
args: {
dst: VirtualRegister,
argument: VirtualRegister,
}
op :new_regexp,
args: {
dst: VirtualRegister,
regexp: VirtualRegister,
}
op :mov,
args: {
dst: VirtualRegister,
src: VirtualRegister,
}
op_group :BinaryOp,
[
:eq,
:neq,
:stricteq,
:nstricteq,
:less,
:lesseq,
:greater,
:greatereq,
:below,
:beloweq,
:mod,
:pow,
:urshift,
],
args: {
dst: VirtualRegister,
lhs: VirtualRegister,
rhs: VirtualRegister,
}
op_group :ProfiledBinaryOp,
[
:add,
:mul,
:div,
:sub,
],
args: {
dst: VirtualRegister,
lhs: VirtualRegister,
rhs: VirtualRegister,
operandTypes: OperandTypes,
},
metadata: {
arithProfile: BinaryArithProfile
}
op_group :ValueProfiledBinaryOp,
[
:bitand,
:bitor,
:bitxor,
:lshift,
:rshift,
],
args: {
dst: VirtualRegister,
lhs: VirtualRegister,
rhs: VirtualRegister,
},
metadata: {
profile: ValueProfile
}
op :bitnot,
args: {
dst: VirtualRegister,
operand: VirtualRegister,
},
metadata: {
profile: ValueProfile
}
op_group :UnaryOp,
[
:eq_null,
:neq_null,
:to_string,
:unsigned,
:is_empty,
:typeof_is_undefined,
:typeof_is_object,
:typeof_is_function,
:is_undefined_or_null,
:is_boolean,
:is_number,
:is_big_int,
:is_object,
:is_callable,
:is_constructor,
],
args: {
dst: VirtualRegister,
operand: VirtualRegister,
}
op_group :UnaryInPlaceProfiledOp,
[
:inc,
:dec,
],
args: {
srcDst: VirtualRegister,
},
metadata: {
arithProfile: UnaryArithProfile
}
op :to_object,
args: {
dst: VirtualRegister,
operand: VirtualRegister,
message: unsigned,
},
metadata: {
profile: ValueProfile,
}
op_group :ValueProfiledUnaryOp,
[
:to_number,
:to_numeric,
],
args: {
dst: VirtualRegister,
operand: VirtualRegister,
},
metadata: {
profile: ValueProfile,
}
op :negate,
args: {
dst: VirtualRegister,
operand: VirtualRegister,
resultType: ResultType,
},
metadata: {
arithProfile: UnaryArithProfile,
}
op :not,
args: {
dst: VirtualRegister,
operand: VirtualRegister,
}
op :identity_with_profile,
args: {
srcDst: VirtualRegister,
topProfile: unsigned,
bottomProfile: unsigned,
}
op :overrides_has_instance,
args: {
dst: VirtualRegister,
constructor: VirtualRegister,
hasInstanceValue: VirtualRegister,
}
op :instanceof,
args: {
dst: VirtualRegister,
value: VirtualRegister,
prototype: VirtualRegister,
}
op :instanceof_custom,
args: {
dst: VirtualRegister,
value: VirtualRegister,
constructor: VirtualRegister,
hasInstanceValue: VirtualRegister,
}
op :typeof,
args: {
dst: VirtualRegister,
value: VirtualRegister,
}
op :is_cell_with_type,
args: {
dst: VirtualRegister,
operand: VirtualRegister,
type: JSType,
}
op :in_by_val,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: VirtualRegister,
},
metadata: {
arrayProfile: ArrayProfile,
}
op :in_by_id,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: unsigned,
}
op :get_by_id,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: unsigned,
},
metadata: {
modeMetadata: GetByIdModeMetadata,
profile: ValueProfile,
}
op :get_by_id_with_this,
args: {
dst: VirtualRegister,
base: VirtualRegister,
thisValue: VirtualRegister,
property: unsigned,
},
metadata: {
profile: ValueProfile,
}
op :get_by_val_with_this,
args: {
dst: VirtualRegister,
base: VirtualRegister,
thisValue: VirtualRegister,
property: VirtualRegister,
},
metadata: {
profile: ValueProfile,
}
op :get_by_id_direct,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: unsigned,
},
metadata: {
profile: ValueProfile, # not used in llint
structureID: StructureID,
offset: unsigned,
}
op :get_prototype_of,
args: {
dst: VirtualRegister,
value: VirtualRegister,
},
metadata: {
profile: ValueProfile,
}
op :try_get_by_id,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: unsigned,
},
metadata: {
profile: ValueProfile,
}
op :put_by_id,
args: {
base: VirtualRegister,
property: unsigned,
value: VirtualRegister,
flags: PutByIdFlags,
},
metadata: {
oldStructureID: StructureID,
offset: unsigned,
newStructureID: StructureID,
structureChain: WriteBarrierBase[StructureChain],
}
op :put_by_id_with_this,
args: {
base: VirtualRegister,
thisValue: VirtualRegister,
property: unsigned,
value: VirtualRegister,
ecmaMode: ECMAMode,
}
op :del_by_id,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: unsigned,
ecmaMode: ECMAMode,
}
op :get_by_val,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: VirtualRegister,
},
metadata: {
profile: ValueProfile,
arrayProfile: ArrayProfile,
seenIdentifiers: GetByValHistory,
}
op :get_private_name,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: VirtualRegister,
},
metadata: {
profile: ValueProfile,
structureID: StructureID,
offset: unsigned,
property: WriteBarrier[JSCell],
}
op :put_private_name,
args: {
base: VirtualRegister,
property: VirtualRegister,
value: VirtualRegister,
putKind: PrivateFieldPutKind,
},
metadata: {
oldStructureID: StructureID,
property: WriteBarrier[JSCell],
offset: unsigned,
newStructureID: StructureID,
}
op :put_by_val,
args: {
base: VirtualRegister,
property: VirtualRegister,
value: VirtualRegister,
ecmaMode: ECMAMode,
},
metadata: {
arrayProfile: ArrayProfile,
}
op :put_by_val_with_this,
args: {
base: VirtualRegister,
thisValue: VirtualRegister,
property: VirtualRegister,
value: VirtualRegister,
ecmaMode: ECMAMode,
}
op :put_by_val_direct,
args: {
base: VirtualRegister,
property: VirtualRegister,
value: VirtualRegister,
ecmaMode: ECMAMode,
},
metadata: {
arrayProfile: ArrayProfile,
}
op :del_by_val,
args: {
dst: VirtualRegister,
base: VirtualRegister,
property: VirtualRegister,
ecmaMode: ECMAMode,
}
op :put_getter_by_id,
args: {
base: VirtualRegister,
property: unsigned,
attributes: unsigned,
accessor: VirtualRegister,
}
op :put_setter_by_id,
args: {
base: VirtualRegister,
property: unsigned,
attributes: unsigned,
accessor: VirtualRegister,
}
op :put_getter_setter_by_id,
args: {
base: VirtualRegister,
property: unsigned,
attributes: unsigned,
getter: VirtualRegister,
setter: VirtualRegister,
}
op :put_getter_by_val,
args: {
base: VirtualRegister,
property: VirtualRegister,
attributes: unsigned,
accessor: VirtualRegister,
}
op :put_setter_by_val,
args: {
base: VirtualRegister,
property: VirtualRegister,
attributes: unsigned,
accessor: VirtualRegister,
}
op :define_data_property,
args: {
base: VirtualRegister,
property: VirtualRegister,
value: VirtualRegister,
attributes: VirtualRegister,
}
op :define_accessor_property,
args: {
base: VirtualRegister,
property: VirtualRegister,
getter: VirtualRegister,
setter: VirtualRegister,
attributes: VirtualRegister,
}
op :jmp,
args: {
targetLabel: BoundLabel,
}
op :jtrue,
args: {
condition: VirtualRegister,
targetLabel: BoundLabel,
}
op :jfalse,
args: {
condition: VirtualRegister,
targetLabel: BoundLabel,
}
op :jeq_null,
args: {
value: VirtualRegister,
targetLabel: BoundLabel,
}
op :jneq_null,
args: {
value: VirtualRegister,
targetLabel: BoundLabel,
}
op :jundefined_or_null,
args: {
value: VirtualRegister,
targetLabel: BoundLabel,
}
op :jnundefined_or_null,
args: {
value: VirtualRegister,
targetLabel: BoundLabel,
}
op :jneq_ptr,
args: {
value: VirtualRegister,
specialPointer: VirtualRegister,
targetLabel: BoundLabel,
},
metadata: {
hasJumped: bool,
}
op_group :BinaryJmp,
[
:jeq,
:jstricteq,
:jneq,
:jnstricteq,
:jless,
:jlesseq,
:jgreater,
:jgreatereq,
:jnless,
:jnlesseq,
:jngreater,
:jngreatereq,
:jbelow,
:jbeloweq,
],
args: {
lhs: VirtualRegister,
rhs: VirtualRegister,
targetLabel: BoundLabel,
}
op :loop_hint
op_group :SwitchValue,
[
:switch_imm,
:switch_char,
:switch_string,
],
args: {
tableIndex: unsigned,
defaultOffset: BoundLabel,
scrutinee: VirtualRegister,
}
op_group :NewFunction,
[
:new_func,
:new_func_exp,
:new_generator_func,
:new_generator_func_exp,
:new_async_func,
:new_async_func_exp,
:new_async_generator_func,
:new_async_generator_func_exp,
],
args: {
dst: VirtualRegister,
scope: VirtualRegister,
functionDecl: unsigned,
}
op :set_function_name,
args: {
function: VirtualRegister,
name: VirtualRegister,
}
# op_call variations
op :call,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
argc: unsigned,
argv: unsigned,
},
metadata: {
callLinkInfo: LLIntCallLinkInfo,
profile: ValueProfile,
}
op :tail_call,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
argc: unsigned,
argv: unsigned,
},
metadata: {
callLinkInfo: LLIntCallLinkInfo,
profile: ValueProfile,
}
op :call_eval,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
argc: unsigned,
argv: unsigned,
ecmaMode: ECMAMode,
},
metadata: {
callLinkInfo: LLIntCallLinkInfo,
profile: ValueProfile,
}
op :call_varargs,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
thisValue?: VirtualRegister,
arguments?: VirtualRegister,
firstFree: VirtualRegister,
firstVarArg: int,
},
metadata: {
arrayProfile: ArrayProfile,
profile: ValueProfile,
},
tmps: {
argCountIncludingThis: unsigned,
},
checkpoints: {
determiningArgCount: nil,
makeCall: nil,
}
op :tail_call_varargs,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
thisValue?: VirtualRegister,
arguments?: VirtualRegister,
firstFree: VirtualRegister,
firstVarArg: int,
},
metadata: {
arrayProfile: ArrayProfile,
profile: ValueProfile,
},
tmps: {
argCountIncludingThis: unsigned
},
checkpoints: {
determiningArgCount: nil,
makeCall: nil,
}
op :tail_call_forward_arguments,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
thisValue?: VirtualRegister,
arguments?: VirtualRegister,
firstFree: VirtualRegister,
firstVarArg: int,
},
metadata: {
arrayProfile: ArrayProfile,
profile: ValueProfile,
}
op :construct,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
argc: unsigned,
argv: unsigned,
},
metadata: {
callLinkInfo: LLIntCallLinkInfo,
profile: ValueProfile,
}
op :construct_varargs,
args: {
dst: VirtualRegister,
callee: VirtualRegister,
thisValue?: VirtualRegister,
arguments?: VirtualRegister,
firstFree: VirtualRegister,
firstVarArg: int,
},
metadata: {
arrayProfile: ArrayProfile,
profile: ValueProfile,
},
tmps: {
argCountIncludingThis: unsigned
},
checkpoints: {
determiningArgCount: nil,
makeCall: nil,
}
op :ret,
args: {
value: VirtualRegister,
}
op :strcat,
args: {
dst: VirtualRegister,
src: VirtualRegister,
count: int,
}
op :to_primitive,
args: {
dst: VirtualRegister,
src: VirtualRegister,
}
op :to_property_key,
args: {
dst: VirtualRegister,
src: VirtualRegister,
}
op :resolve_scope,
args: {
dst: VirtualRegister, # offset 1
scope: VirtualRegister, # offset 2
var: unsigned, # offset 3
# $begin: :private,
resolveType: ResolveType,
localScopeDepth: unsigned,
},
metadata: {
resolveType: ResolveType, # offset 4
_0: { # offset 5
localScopeDepth: unsigned,
globalLexicalBindingEpoch: unsigned,
},
_1: { # offset 6
# written during linking
lexicalEnvironment: WriteBarrierBase[JSCell], # lexicalEnvironment && type == ModuleVar
symbolTable: WriteBarrierBase[SymbolTable], # lexicalEnvironment && type != ModuleVar
constantScope: WriteBarrierBase[JSScope],
# written from the slow path
globalLexicalEnvironment: WriteBarrierBase[JSGlobalLexicalEnvironment],
globalObject: WriteBarrierBase[JSGlobalObject],
},
}
op :get_from_scope,
args: {
dst: VirtualRegister, # offset 1
scope: VirtualRegister, # offset 2
var: unsigned, # offset 3
# $begin: :private,
getPutInfo: GetPutInfo,
localScopeDepth: unsigned,
offset: unsigned,
},
metadata: {
getPutInfo: GetPutInfo, # offset 4
_: { #previously offset 5
watchpointSet: WatchpointSet.*,
structure: WriteBarrierBase[Structure],
},
operand: uintptr_t, #offset 6
profile: ValueProfile, # offset 7
},
metadata_initializers: {
getPutInfo: :getPutInfo,
operand: :offset,
}