"
    Copyright (c) 2012-2016 Igor Stasenko
                            Martin McClure
                            Damien Pollet
                            Camillo Bruni
                            Guido Chari
                   2016-now Jan Vrany <jan.vrany [at] fit . cvut . cz>

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the 'Software'), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
"
"{ Package: 'jv:dragonfly/asm' }"

"{ NameSpace: Smalltalk }"

AJx86GPRegister subclass:#AJx64RipRegister
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:'AJx86Registers'
	category:'AsmJit-x86-Operands'
!

AJx64RipRegister comment:'Virtual registers used for relative instruction pointer addressing in 64Bit mode

In IA-32 architecture and compatibility mode, addressing relative to the instruction pointer is available only with control-transfer instructions. In 64-bit mode, instruc- tions that use ModR/M addressing can use RIP-relative addressing. Without RIP-rela- tive addressing, all ModR/M instruction modes address memory relative to zero.'
!

!AJx64RipRegister class methodsFor:'documentation'!

copyright
"
    Copyright (c) 2012-2016 Igor Stasenko
                            Martin McClure
                            Damien Pollet
                            Camillo Bruni
                            Guido Chari
                   2016-now Jan Vrany <jan.vrany [at] fit . cvut . cz>

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the 'Software'), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.

"
! !

!AJx64RipRegister methodsFor:'accessing'!

code
    self ripAccessError
!

index
    self ripAccessError
!

influencingRegisters
    self is16
        ifFalse: [ ^ self as16 influencingRegisters ].
    ^ { self as16. self as32. self as64 }
! !

!AJx64RipRegister methodsFor:'converting'!

as16
    ^ AJx86Registers at: #IP
!

as32
    ^ AJx86Registers at: #EIP
!

as64
    ^ AJx86Registers at: #RIP
!

as8
    
    self error: 'No 8bit register available for instruction pointer relative addressing'
! !

!AJx64RipRegister methodsFor:'error'!

ripAccessError
    self error: 'RIP register ', self name, ' cannot be used only for relative addressing'
! !

!AJx64RipRegister methodsFor:'printing'!

descriptionOn: s
    s nextPutAll: 'A '; print: self size * 8; nextPutAll: 'bit instruction pointer register'.
! !

!AJx64RipRegister methodsFor:'testing'!

isGeneralPurpose
    ^ false
!

isRip
    ^ true
!

isUpperBank
    ^ false
!

isX86 
    ^ false
! !