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UnicornX64Simulator.class.st
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UnicornX64Simulator.class.st
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Class {
#name : #UnicornX64Simulator,
#superclass : #UnicornSimulator,
#category : #'VMMakerTests-Unicorn'
}
{ #category : #registers }
UnicornX64Simulator >> arg0Register [
^ UcX86Registers rdi
]
{ #category : #registers }
UnicornX64Simulator >> arg1Register [
^ UcX86Registers rsi
]
{ #category : #accessing }
UnicornX64Simulator >> argument1RegisterValue: anInteger [
self writeRegister: UcX86Registers rsi value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> baseRegister [
^ UcX86Registers rbx
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> cResultRegister [
^ UcX86Registers rax
]
{ #category : #registers }
UnicornX64Simulator >> carg0Register [
"Assume SysV"
^ UcX86Registers rdi
]
{ #category : #registers }
UnicornX64Simulator >> carg1Register [
"Assume SysV"
^ UcX86Registers rsi
]
{ #category : #registers }
UnicornX64Simulator >> carg2Register [
"Assume SysV"
^ UcX86Registers rdx
]
{ #category : #registers }
UnicornX64Simulator >> carg3Register [
"Assume SysV"
^ UcX86Registers rcx
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> classRegister [
^ UcX86Registers rcx
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> createUnicorn [
^ Unicorn x8664
]
{ #category : #disassembling }
UnicornX64Simulator >> disassembler [
^ LLVMDisassembler amd64
]
{ #category : #registers }
UnicornX64Simulator >> doublePrecisionFloatingPointRegister0 [
^ UcX86Registers xmm0
]
{ #category : #registers }
UnicornX64Simulator >> doublePrecisionFloatingPointRegister1 [
^ UcX86Registers xmm1
]
{ #category : #registers }
UnicornX64Simulator >> doublePrecisionFloatingPointRegister2 [
^ UcX86Registers xmm2
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> extractDestinationRegisterFromAssembly: aLLVMInstruction [
| registerName |
registerName := (aLLVMInstruction assemblyCodeString substrings: ',') last trimBoth.
(registerName beginsWith: '%')
ifTrue: [ registerName := registerName allButFirst ].
^ registerName
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> framePointerRegister [
^ UcX86Registers rbp
]
{ #category : #accessing }
UnicornX64Simulator >> getReturnAddress [
^ self peekAddress
]
{ #category : #testing }
UnicornX64Simulator >> hasLinkRegister [
^ false
]
{ #category : #initialization }
UnicornX64Simulator >> initializeRegisterAliases [
registerAliases
at: #rcx put: #classRegister;
at: #rdx put: #receiverRegister;
at: #r9 put: #sendNumberOfArgumentsRegister;
at: #rbx put: #baseRegister;
at: #rbp put: #framePointerRegister
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> instructionPointerRegister [
^ UcX86Registers rip
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> integerRegisterState [
^ #()
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> postCallArgumentsNumArgs: numArgs in: aMemory [
"Answer an argument vector of the requested size after a Win64 or SysV
ABI call. On X64 this simply means accessing register arguments.
For compatibility with Cog/Slang we answer unsigned values."
self assert: numArgs <= 4.
^((CogX64Compiler isSysV
ifTrue: [#(rdi rsi rdx rcx r8 r9)]
ifFalse: [#(rcx rdx r8 r9)]) copyFrom: 1 to: numArgs) collect:
[:getter|
self perform: getter]
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> r10 [
^ self readRegister: UcX86Registers r10
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r10: anInteger [
^ self writeRegister: UcX86Registers r10 value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> r11 [
^ self readRegister: UcX86Registers r11
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r11: anInteger [
^ self writeRegister: UcX86Registers r11 value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> r12 [
^ self readRegister: UcX86Registers r12
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r12: anInteger [
^ self writeRegister: UcX86Registers r12 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r13: anInteger [
self writeRegister: UcX86Registers r13 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r14: anInteger [
self writeRegister: UcX86Registers r14 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r15: anInteger [
self writeRegister: UcX86Registers r15 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r1: anInteger [
^ self writeRegister: UcX86Registers r1 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r2: anInteger [
^ self writeRegister: UcX86Registers r2 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r3: anInteger [
^ self writeRegister: UcX86Registers r3 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r4: anInteger [
^ self writeRegister: UcX86Registers r4 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r5: anInteger [
^ self writeRegister: UcX86Registers r5 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r6: anInteger [
^ self writeRegister: UcX86Registers r6 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r7: anInteger [
^ self writeRegister: UcX86Registers r7 value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> r8 [
^ self readRegister: UcX86Registers r8
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r8: anInteger [
^ self writeRegister: UcX86Registers r8 value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> r9 [
^ self readRegister: UcX86Registers r9
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r9: anInteger [
^ self writeRegister: UcX86Registers r9 value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> r9b: anInteger [
self writeRegister: UcX86Registers r9b value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rax [
^ self readRegister: UcX86Registers rax
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> rax: anInteger [
self writeRegister: UcX86Registers rax value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rbp [
^ self readRegister: UcX86Registers rbp
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rbp: anInteger [
^ self writeRegister: UcX86Registers rbp value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rbx [
^ self readRegister: UcX86Registers rbx
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rbx: aValue [
^ self writeRegister: UcX86Registers rbx value: aValue
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rcx [
^ self readRegister: UcX86Registers rcx
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rcx: anInteger [
^ self writeRegister: UcX86Registers rcx value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rdi [
^ self readRegister: UcX86Registers rdi
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> rdi: anInteger [
self writeRegister: UcX86Registers rdi value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rdx [
^ self readRegister: UcX86Registers rdx
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rdx: anInteger [
^ self writeRegister: UcX86Registers rdx value: anInteger
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> receiverRegister [
^ UcX86Registers rdx
]
{ #category : #accessing }
UnicornX64Simulator >> registerList [
^ #(rip rax rbx rcx rdx rsp rbp r8 r9 r10 r11 r12 rsi rdi)
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> retpcIn: aSpurSimulatedMemory [
^ memory long64At: self rbp + 8
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rip [
^ self readRegister: UcX86Registers rip
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> rip: anInteger [
self writeRegister: UcX86Registers rip value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rsi [
^ self readRegister: UcX86Registers rsi
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> rsi: anInteger [
self writeRegister: UcX86Registers rsi value: anInteger
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rsp [
^ self readRegister: UcX86Registers rsp
]
{ #category : #'phisical-registers' }
UnicornX64Simulator >> rsp: anInteger [
^ self writeRegister: UcX86Registers rsp value: anInteger
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> sendNumberOfArgumentsRegister [
^ UcX86Registers r9
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> simulateJumpCallOf: address memory: aMemory [
"Simulate a frame-building jump call of address (i.e. do not push the return pc
as this has already been done). Build a frame since
a) this is used for calls into the run-time which are unlikely to be leaf-calls, and
b) stack alignment needs to be realistic for assert checking for platforms such as Mac OS X"
"From the System V ABI:
3.2.2 The Stack Frame
... The end of the input argument area shall be aligned on a 16 (32, if __m256 is
passed on stack) byte boundary. In other words, the value (%rsp + 8) is always
a multiple of 16 (32) when control is transferred to the function entry point."
self pushWord: self rbp.
self rbp: self rsp.
self rip: address
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> simulateLeafCallOf: address nextpc: nextpc memory: aMemory [
self pushWord: nextpc.
self rip: address
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> simulateReturnIn: aMemory [
self rbp: (self popWord).
self rip: (self popWord)
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> smashCallerSavedRegistersWithValuesFrom: base by: step in: aMemory [
| volatileRegisters |
CogX64Compiler isSysV
ifTrue:
[volatileRegisters := #(rax: rcx: rdx: rsi: rdi: r8: r9: r10: r11:)]
ifFalse: "We should also save the registers to the shadow parameter space."
[volatileRegisters := #(rax: rcx: rdx: r8: r9: r10: r11:).
#(rcx rdx r8 r9) withIndexDo:
[:getter :index|
aMemory
unsignedLong64At: self rbp + 9 + (index * 8) "skip saved fp and retpc; aMemory is 1-relative"
put: (self perform: getter)]].
volatileRegisters withIndexDo:
[:setter :index|
self perform: setter with: index - 1 * step + base]
]
{ #category : #'as yet unclassified' }
UnicornX64Simulator >> smashRegisterAccessors [
^#(rax: rbx: rcx: rdx: rsi: rdi: r8: r9: r10: r11: r12: r13: r14: r15:)
]
{ #category : #'virtual-registers' }
UnicornX64Simulator >> stackPointerRegister [
^ UcX86Registers rsp
]
{ #category : #registers }
UnicornX64Simulator >> temporaryRegister [
"Both in System V and Windows"
^ UcX86Registers rax
]
{ #category : #accessing }
UnicornX64Simulator >> vectorRegister0Value [
^ simulator readRegisterId: UcX86Registers xmm0 size: 16
]
{ #category : #accessing }
UnicornX64Simulator >> wordSize [
^ 8
]
{ #category : #'accessing - registers' }
UnicornX64Simulator >> xmm0 [
^ simulator readRegisterId: UcX86Registers xmm0 size: 16
]
{ #category : #accessing }
UnicornX64Simulator >> xmm1 [
^ simulator readRegisterId: UcX86Registers xmm1 size: 16
]
{ #category : #registers }
UnicornX64Simulator >> xmm2 [
^ simulator readRegisterId: UcX86Registers xmm2 size: 16
]