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UnicornI386Simulator.class.st
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UnicornI386Simulator.class.st
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Class {
#name : #UnicornI386Simulator,
#superclass : #UnicornSimulator,
#category : #'VMMakerTests-Unicorn'
}
{ #category : #registers }
UnicornI386Simulator >> arg0Register [
^ UcX86Registers esi
]
{ #category : #accessing }
UnicornI386Simulator >> argument1RegisterValue: anInteger [
self writeRegister: UcX86Registers edi value: anInteger
]
{ #category : #registers }
UnicornI386Simulator >> baseRegister [
^ UcX86Registers ebx
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> cResultRegister [
^ UcX86Registers eax
]
{ #category : #'c calling convention' }
UnicornI386Simulator >> carg0 [
"Stack value 0 is return address"
^ self stackValueAt: 1
]
{ #category : #'c calling convention' }
UnicornI386Simulator >> carg1 [
"Stack value 0 is return address"
^ self stackValueAt: 2
]
{ #category : #'c calling convention' }
UnicornI386Simulator >> carg2 [
"Stack value 0 is return address"
^ self stackValueAt: 3
]
{ #category : #'c calling convention' }
UnicornI386Simulator >> carg3 [
"Stack value 0 is return address"
^ self stackValueAt: 4
]
{ #category : #registers }
UnicornI386Simulator >> classRegister [
^ UcX86Registers ecx
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> createUnicorn [
^ Unicorn x86
]
{ #category : #disassembling }
UnicornI386Simulator >> disassembler [
^ LLVMDisassembler i386
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> doublePrecisionFloatingPointRegister0 [
^ UcX86Registers xmm0
]
{ #category : #accessing }
UnicornI386Simulator >> eax [
^ self readRegister: UcX86Registers eax
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> eax: anInteger [
self writeRegister: UcX86Registers eax value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> ebp [
^ self readRegister: UcX86Registers ebp
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> ebp: anInteger [
self framePointerRegisterValue: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> ebx [
^ self readRegister: UcX86Registers ebx
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> ebx: anInteger [
self writeRegister: UcX86Registers ebx value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> ecx [
^ self readRegister: UcX86Registers ecx
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> ecx: anInteger [
self writeRegister: UcX86Registers ecx value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> edi [
^ self readRegister: UcX86Registers edi
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> edi: anInteger [
self writeRegister: UcX86Registers edi value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> edx [
^ self readRegister: UcX86Registers edx
]
{ #category : #registers }
UnicornI386Simulator >> edx: anInteger [
^ self writeRegister: UcX86Registers edx value: anInteger
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> eflags [
^ self readRegister: UcX86Registers eflags
]
{ #category : #registers }
UnicornI386Simulator >> eip [
^ self readRegister: UcX86Registers eip
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> eip: anInteger [
self writeRegister: UcX86Registers eip value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> esi [
^ self readRegister: UcX86Registers esi
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> esi: anInteger [
self writeRegister: UcX86Registers esi value: anInteger
]
{ #category : #accessing }
UnicornI386Simulator >> esp [
^ self readRegister: UcX86Registers esp
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> esp: anInteger [
self stackPointerRegisterValue: anInteger
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> extractDestinationRegisterFromAssembly: aLLVMInstruction [
| registerName |
registerName := (aLLVMInstruction assemblyCodeString substrings: ',') last trimBoth.
(registerName beginsWith: '%')
ifTrue: [ registerName := registerName allButFirst ].
^ registerName
]
{ #category : #registers }
UnicornI386Simulator >> framePointerRegister [
^ UcX86Registers ebp
]
{ #category : #accessing }
UnicornI386Simulator >> getReturnAddress [
^ self peekAddress
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> hasLinkRegister [
^ false
]
{ #category : #registers }
UnicornI386Simulator >> instructionPointerRegister [
^ UcX86Registers eip
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> integerRegisterState [
^{ self eax. self ebx. self ecx. self edx. self esp. self ebp. self esi. self edi.
self eip. self eflags }
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> postCallArgumentsNumArgs: numArgs in: aMemory [
"Answer an argument vector of the requested size after a vanilla
ABI call. On IA32 this typically means accessing stacked arguments
beyond the pushed return address and saved frame pointer.
For compatibility with Cog/Slang we answer unsigned values."
^ (8 to: numArgs * 4 + 4 by: 4) collect: [ :i |
memory longAt: self ebp + i ]
]
{ #category : #registers }
UnicornI386Simulator >> receiverRegister [
^ UcX86Registers edx
]
{ #category : #accessing }
UnicornI386Simulator >> registerList [
^ #(eip eax ebx ecx edx esp ebp esi edi)
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> retpcIn: aMemory [
^ memory longAt: self ebp + 4
]
{ #category : #registers }
UnicornI386Simulator >> sendNumberOfArgumentsRegister [
^ UcX86Registers ebx
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> 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"
self pushWord: self ebp.
self ebp: self esp.
self eip: address
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> simulateLeafCallOf: address nextpc: nextpc memory: aMemory [
self pushWord: nextpc.
self eip: address
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> simulateReturnIn: aMemory [
self ebp: self popWord.
self eip: self popWord
]
{ #category : #'as yet unclassified' }
UnicornI386Simulator >> smashCallerSavedRegistersWithValuesFrom: base by: step in: aMemory [
#(eax: ecx: edx:)
withIndexDo:
[:accessor :index|
self perform: accessor with: index - 1 * step + base]
]
{ #category : #registers }
UnicornI386Simulator >> smashRegisterAccessors [
^#(eax: ebx: ecx: edx: esi: edi:)
]
{ #category : #registers }
UnicornI386Simulator >> stackPointerRegister [
^ UcX86Registers esp
]
{ #category : #registers }
UnicornI386Simulator >> temporaryRegister [
"Assume SysV"
^ UcX86Registers eax
]
{ #category : #accessing }
UnicornI386Simulator >> wordSize [
^ 4
]