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ProcessorSimulator.class.st
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ProcessorSimulator.class.st
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Class {
#name : #ProcessorSimulator,
#superclass : #Object,
#instVars : [
'simulator',
'registerAliases',
'registerSmalltalkAliases',
'memory'
],
#category : #'VMMakerTests-Unicorn'
}
{ #category : #'instance creation' }
ProcessorSimulator class >> ARMv5 [
^ UnicornARMv5Simulator new
]
{ #category : #'instance creation' }
ProcessorSimulator class >> ARMv8 [
^ UnicornARMv8Simulator new
]
{ #category : #'instance creation' }
ProcessorSimulator class >> IA32 [
^ UnicornI386Simulator new
]
{ #category : #'instance creation' }
ProcessorSimulator class >> X64 [
^ UnicornX64Simulator new
]
{ #category : #'instance creation' }
ProcessorSimulator class >> aarch64 [
^ UnicornARMv8Simulator new
]
{ #category : #'instance creation' }
ProcessorSimulator class >> riscv64 [
"TODO: Add riscv32 and possibly two subclasses for the RISCV simulator"
^ UnicornRISCVSimulator new
"^ SpikeRISCVSimulator new"
]
{ #category : #'instance creation' }
ProcessorSimulator class >> simulatorFor: isa [
^ (self subclasses detect: [ :each | each supportsISA: isa ]) perform: isa asSymbol
]
{ #category : #accessing }
ProcessorSimulator >> aliasForRegister: aRegisterName [
^ registerAliases at: aRegisterName ifAbsent: [ '' ]
]
{ #category : #accessing }
ProcessorSimulator >> aliasSmalltalkForRegister: aRegisterName [
^ registerSmalltalkAliases at: aRegisterName ifAbsent: [ '' ]
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg0Register [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg0RegisterValue [
^ self readRegister: self arg0Register
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg0RegisterValue: aValue [
^ self writeRegister: self arg0Register value: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg1Register [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg1RegisterValue [
^ self readRegister: self arg1Register
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> arg1RegisterValue: aValue [
^ self writeRegister: self arg1Register value: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> baseRegister [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> baseRegisterValue [
^ self readRegister: self baseRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> baseRegisterValue: aValue [
^ self writeRegister: self baseRegister value: aValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> cResultRegister [
^ self subclassResponsibility
]
{ #category : #'c calling convention' }
ProcessorSimulator >> cResultRegisterValue [
^ self readRegister: self cResultRegister
]
{ #category : #'c calling convention' }
ProcessorSimulator >> cResultRegisterValue: aValue [
self writeRegister: self cResultRegister value: aValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg0 [
"By default fetch values from registers, override in platforms that don't (e.g. IA32)"
^ self carg0RegisterValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg0Register [
^ self subclassResponsibility
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg0RegisterValue [
^ self readRegister: self carg0Register
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg1 [
"By default fetch values from registers, override in platforms that don't (e.g. IA32)"
^ self carg1RegisterValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg1Register [
^ self subclassResponsibility
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg1RegisterValue [
^ self readRegister: self carg1Register
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg2 [
"By default fetch values from registers, override in platforms that don't (e.g. IA32)"
^ self carg2RegisterValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg2Register [
^ self subclassResponsibility
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg2RegisterValue [
^ self readRegister: self carg2Register
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg3 [
"By default fetch values from registers, override in platforms that don't (e.g. IA32)"
^ self carg3RegisterValue
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg3Register [
^ self subclassResponsibility
]
{ #category : #'c calling convention' }
ProcessorSimulator >> carg3RegisterValue [
^ self readRegister: self carg3Register
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> classRegister [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> classRegisterValue [
^ self readRegister: self classRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> classRegisterValue: aValue [
^ self writeRegister: self classRegister value: aValue
]
{ #category : #accessing }
ProcessorSimulator >> cogit [
^ memory interpreter cogit
]
{ #category : #disassembling }
ProcessorSimulator >> disassembleCurrentInstruction [
^ (self disassembleFrom: self instructionPointerRegisterValue opcodes: 1) first
]
{ #category : #disassembling }
ProcessorSimulator >> disassembleFrom: anIndex opcodes: numberOfInstructions [
^ self disassembler
printImmediatesInHexa;
disassembleNext: numberOfInstructions
instructionsIn: (memory memoryManager copyFrom: anIndex to: anIndex + (numberOfInstructions * 50) "rough estimate")
startAddress: anIndex
pc: self instructionPointerRegisterValue
]
{ #category : #disassembling }
ProcessorSimulator >> disassembleFrom: start to: stop [
^ self disassembler
printImmediatesInHexa;
disassembleNext: 1000
instructionsIn: (memory memory copyFrom: start to: stop)
startAddress: start
pc: self instructionPointerRegisterValue
]
{ #category : #disassembling }
ProcessorSimulator >> disassembler [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister0 [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister0Value [
^ self readFloat64Register: self doublePrecisionFloatingPointRegister0
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister0Value: aValue [
^ self writeFloat64Register: self doublePrecisionFloatingPointRegister0 value: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister1 [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister1Value [
^ self readFloat64Register: self doublePrecisionFloatingPointRegister1
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister1Value: aValue [
^ self writeFloat64Register: self doublePrecisionFloatingPointRegister1 value: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister2 [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister2Value [
^ self readFloat64Register: self doublePrecisionFloatingPointRegister2
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> doublePrecisionFloatingPointRegister2Value: aValue [
^ self writeFloat64Register: self doublePrecisionFloatingPointRegister2 value: aValue
]
{ #category : #disassembling }
ProcessorSimulator >> extractDestinationRegisterFromAssembly: aLLVMInstruction [
^ self subclassResponsibility
]
{ #category : #memory }
ProcessorSimulator >> finishMappingMemory [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> flushICacheFrom: startAddress to: endAddress [
simulator removeInstructionCacheFrom: startAddress to: endAddress
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> fp [
^ self framePointerRegisterValue
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> fp: aValue [
^ self framePointerRegisterValue: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> framePointerRegister [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> framePointerRegisterValue [
^ self readRegister: self framePointerRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> framePointerRegisterValue: aValue [
self writeRegister: self framePointerRegister value: aValue
]
{ #category : #accessing }
ProcessorSimulator >> getLastAddress: abstractInstructions [
| last |
last := (abstractInstructions reject: [ :e | e isLiteral ]) last.
^ last address + last machineCodeSize
]
{ #category : #testing }
ProcessorSimulator >> hasLinkRegister [
^ false
]
{ #category : #initialization }
ProcessorSimulator >> initialize [
super initialize.
registerAliases := Dictionary new.
registerSmalltalkAliases := Dictionary new.
self initializeRegisterAliases.
self initializeRegisterSmalltalkAliases.
]
{ #category : #initialization }
ProcessorSimulator >> initializeRegisterAliases [
"Hook for subclasses"
]
{ #category : #initialization }
ProcessorSimulator >> initializeRegisterSmalltalkAliases [
"Hook for subclasses"
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> instructionPointerRegister [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> instructionPointerRegisterValue [
^ self readRegister: self instructionPointerRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> instructionPointerRegisterValue: aValue [
^ self writeRegister: self instructionPointerRegister value: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> integerRegisterState [
^ { }
]
{ #category : #accessing }
ProcessorSimulator >> lastExecutedInstructionAddress [
^ simulator lastExecutedInstructionAddress
]
{ #category : #accessing }
ProcessorSimulator >> lastExecutedInstructionSize [
^ simulator lastExecutedInstructionSize
]
{ #category : #accessing }
ProcessorSimulator >> lastInstructionCount [
^ simulator lastInstructionCount
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> linkRegister [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> linkRegisterValue [
^ self readRegister: self linkRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> linkRegisterValue: aValue [
^ self writeRegister: self linkRegister value: aValue
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> lr [
^ self linkRegisterValue
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> lr: aValue [
^ self linkRegisterValue: aValue
]
{ #category : #memory }
ProcessorSimulator >> mapMemory: aMemory at: anAddress [
simulator
mapHostMemory: aMemory
atAddress: anAddress
withPermissions: UnicornConstants permissionAll.
]
{ #category : #memory }
ProcessorSimulator >> mapMemoryInManager: aSlangMemoryManager [
aSlangMemoryManager regionsDo: [ :startAddress :region |
self mapMemory: region at: startAddress
].
aSlangMemoryManager machineSimulator: self.
self finishMappingMemory.
]
{ #category : #accessing }
ProcessorSimulator >> memory [
^ memory
]
{ #category : #accessing }
ProcessorSimulator >> memory: aSpur64BitMMLECoSimulator [
memory := aSpur64BitMMLECoSimulator
]
{ #category : #memory }
ProcessorSimulator >> memoryAt: address readNext: byteSize [
^ simulator memoryAt: address readNext: byteSize
]
{ #category : #memory }
ProcessorSimulator >> memoryAt: address write: bytes size: size [
simulator memoryAt: address write: bytes size: size
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> pc [
^ self instructionPointerRegisterValue
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> pc: aValue [
^ self instructionPointerRegisterValue: aValue
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> peek [
| stackAddressIntegerValue peekedByteArray |
"Getting address from stack register"
stackAddressIntegerValue := self stackPointerRegisterValue.
"Putting the value in the stack memory"
peekedByteArray := self memoryAt: stackAddressIntegerValue readNext: self wordSize.
^ peekedByteArray
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> peekAddress [
^ self peek integerAt: 1 size: self wordSize signed: false
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> popBytes [
| stackAddressIntegerValue aByteArray |
"Getting address from stack register"
stackAddressIntegerValue := self stackPointerRegisterValue.
"Putting the value from the stack memory"
aByteArray := self memoryAt: stackAddressIntegerValue readNext: self wordSize.
"Updating SP"
stackAddressIntegerValue := stackAddressIntegerValue + self wordSize.
self stackPointerRegisterValue: stackAddressIntegerValue.
^ aByteArray
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> popWord [
| aByteArray |
aByteArray := self popBytes.
^ aByteArray integerAt: 1 size: self wordSize signed: false.
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> pushBytes: aByteArray [
| stackAddressIntegerValue |
self assert: aByteArray size = self wordSize.
"Getting address from stack register"
stackAddressIntegerValue := self stackPointerRegisterValue.
"Updating SP"
stackAddressIntegerValue := stackAddressIntegerValue - self wordSize.
self stackPointerRegisterValue: stackAddressIntegerValue.
"Putting the value in the stack memory"
self
memoryAt: stackAddressIntegerValue
write: aByteArray
size: self wordSize
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> pushWord: anInteger [
| aByteArray |
aByteArray := ByteArray new: self wordSize.
aByteArray integerAt: 1 put: anInteger size: self wordSize signed: false.
self pushBytes: aByteArray
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> readFloat64Register: aRegisterID [
| registerValue |
registerValue := ByteArray new: 8.
simulator register: aRegisterID value readInto: registerValue.
^ registerValue doubleAt: 1
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> readRawRegister: aRegisterID size: aSize [
| registerValue |
registerValue := ByteArray new: aSize.
simulator register: aRegisterID value readInto: registerValue.
^ registerValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> readRegister: aRegisterID [
| registerValue size |
size := self wordSize.
registerValue := self readRawRegister: aRegisterID size: size.
^ registerValue integerAt: 1 size: size signed: false
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> receiverRegister [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> receiverRegisterValue [
^ self readRegister: self receiverRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> receiverRegisterValue: anInteger [
self writeRegister: self receiverRegister value: anInteger
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> register: anIndex readInto: aByteArray [
simulator register: anIndex readInto: aByteArray
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> registerAliases [
^ registerAliases
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> registerDescriptors [
^ self registerList collect: [ :reg |
RegisterDescriptor new
simulator: self;
alias: (self aliasForRegister: reg);
smalltalkAlias: (self aliasSmalltalkForRegister: reg);
name: reg;
yourself ]
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> registerList [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> sendNumberOfArgumentsRegister [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> sendNumberOfArgumentsRegisterValue [
^ self readRegister: self sendNumberOfArgumentsRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> sendNumberOfArgumentsRegisterValue: aValue [
^ self writeRegister: self sendNumberOfArgumentsRegister value: aValue
]
{ #category : #'simulation-support' }
ProcessorSimulator >> simulateLeafCallOf: address nextpc: nextpc memory: aMemory [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> smalltalkStackPointerRegister [
"By default they are the same"
^ self stackPointerRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> smalltalkStackPointerRegisterValue [
^ self readRegister: self smalltalkStackPointerRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> smalltalkStackPointerRegisterValue: aValue [
self writeRegister: self smalltalkStackPointerRegister value: aValue
]
{ #category : #'simulation-support' }
ProcessorSimulator >> smashRegisterAccessors [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> smashRegistersWithValuesFrom: base by: step [
self smashRegisterAccessors withIndexDo: [:accessor :index|
self perform: accessor with: index - 1 * step + base]
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> sp [
^ self stackPointerRegisterValue
]
{ #category : #'accessing-registers-shortcuts' }
ProcessorSimulator >> sp: aValue [
^ self stackPointerRegisterValue: aValue
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> stackPointerRegister [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> stackPointerRegisterValue [
^ self readRegister: self stackPointerRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> stackPointerRegisterValue: aValue [
self writeRegister: self stackPointerRegister value: aValue
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> stackValueAt: anInteger [
"Get a value from the stack at a 0-base position"
| aByteArray |
aByteArray := self stackValueBytesAt: anInteger.
^ aByteArray integerAt: 1 size: self wordSize signed: false
]
{ #category : #'accessing-stack' }
ProcessorSimulator >> stackValueBytesAt: position [
"Get the bytes from the stack at a 0-base position"
| stackAddressIntegerValue aByteArray |
"Getting address from stack register"
stackAddressIntegerValue := self stackPointerRegisterValue.
"Putting the value from the stack memory.
Remember, stack grows down, so we add the offset"
aByteArray := self
memoryAt: stackAddressIntegerValue + (position * self wordSize)
readNext: self wordSize.
^ aByteArray
]
{ #category : #accessing }
ProcessorSimulator >> stackValues [
| initialValue |
initialValue := self smalltalkStackPointerRegisterValue.
^ (1 to: 30) collect: [ :anIndex |
VMMachineCodeDebuggerStackItem address: initialValue + (memory wordSize * (anIndex - 1)) on: self.
]
]
{ #category : #'simulation-support' }
ProcessorSimulator >> startAt: begin until: until timeout: timeout count: count [
self subclassResponsibility
]
{ #category : #'simulation-support' }
ProcessorSimulator >> step [
self
startAt: self instructionPointerRegisterValue
until: 0
timeout: 0
count: 1
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> temporaryRegister [
^ self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> temporaryRegisterValue [
^ self readRegister: self temporaryRegister
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> temporaryRegisterValue: anInteger [
^ self writeRegister: self temporaryRegister value: anInteger
]
{ #category : #accessing }
ProcessorSimulator >> wordAt: anInteger [
^ memory longAt: anInteger
]
{ #category : #accessing }
ProcessorSimulator >> wordSize [
self subclassResponsibility
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> writeFloat64Register: aRegister value: aDouble [
| value |
value := ByteArray new: 8.
value integerAt: 1 put: aDouble size: 8 signed: false.
simulator register: aRegister value write: value.
]
{ #category : #'accessing-registers-abstract' }
ProcessorSimulator >> writeRegister: aRegister value: anInteger [
| value |
value := ByteArray new: self wordSize.
value integerAt: 1 put: anInteger size: self wordSize signed: false.
simulator register: aRegister value write: value.
]