arm

Documentation

Index

• Constants
• Variables
• func Aconv(a int) string
• func DRconv(a int) string
• func Dconv(p *liblink.Prog, flag int, a *liblink.Addr) string
• func Mconv(a *liblink.Addr) string
• func Pconv(p *liblink.Prog) string
• func RAconv(a *liblink.Addr) string
• func Rconv(r int) string
• type Opcross
• type Oprang
• type Optab
• Bugs

Constants

const (
	NSNAME = 8
	NSYM   = 50
	NREG   = 16
)

const (
	REGRET  = 0
	REGEXT  = 10
	REGG    = REGEXT - 0
	REGM    = REGEXT - 1
	REGTMP  = 11
	REGSP   = 13
	REGLINK = 14
	REGPC   = 15
	NFREG   = 16
	FREGRET = 0
	FREGEXT = 7
	FREGTMP = 15
)

const (
	C_NONE = iota
	C_REG
	C_REGREG
	C_REGREG2
	C_SHIFT
	C_FREG
	C_PSR
	C_FCR
	C_RCON
	C_NCON
	C_SCON
	C_LCON
	C_LCONADDR
	C_ZFCON
	C_SFCON
	C_LFCON
	C_RACON
	C_LACON
	C_SBRA
	C_LBRA
	C_HAUTO
	C_FAUTO
	C_HFAUTO
	C_SAUTO
	C_LAUTO
	C_HOREG
	C_FOREG
	C_HFOREG
	C_SOREG
	C_ROREG
	C_SROREG
	C_LOREG
	C_PC
	C_SP
	C_HREG
	C_ADDR
	C_GOK
	C_NCLASS
)

compiler allocates register variables F0 up compiler allocates external registers F7 down

const (
	AXXX = iota
	AAND
	AEOR
	ASUB
	ARSB
	AADD
	AADC
	ASBC
	ARSC
	ATST
	ATEQ
	ACMP
	ACMN
	AORR
	ABIC
	AMVN
	AB
	ABL
	ABEQ
	ABNE
	ABCS
	ABHS
	ABCC
	ABLO
	ABMI
	ABPL
	ABVS
	ABVC
	ABHI
	ABLS
	ABGE
	ABLT
	ABGT
	ABLE
	AMOVWD
	AMOVWF
	AMOVDW
	AMOVFW
	AMOVFD
	AMOVDF
	AMOVF
	AMOVD
	ACMPF
	ACMPD
	AADDF
	AADDD
	ASUBF
	ASUBD
	AMULF
	AMULD
	ADIVF
	ADIVD
	ASQRTF
	ASQRTD
	AABSF
	AABSD
	ASRL
	ASRA
	ASLL
	AMULU
	ADIVU
	AMUL
	ADIV
	AMOD
	AMODU
	AMOVB
	AMOVBS
	AMOVBU
	AMOVH
	AMOVHS
	AMOVHU
	AMOVW
	AMOVM
	ASWPBU
	ASWPW
	ANOP
	ARFE
	ASWI
	AMULA
	ADATA
	AGLOBL
	AGOK
	AHISTORY
	ANAME
	ARET
	ATEXT
	AWORD
	ADYNT_
	AINIT_
	ABCASE
	ACASE
	AEND
	AMULL
	AMULAL
	AMULLU
	AMULALU
	ABX
	ABXRET
	ADWORD
	ASIGNAME
	ALDREX
	ASTREX
	ALDREXD
	ASTREXD
	APLD
	AUNDEF
	ACLZ
	AMULWT
	AMULWB
	AMULAWT
	AMULAWB
	AUSEFIELD
	ATYPE
	AFUNCDATA
	APCDATA
	ACHECKNIL
	AVARDEF
	AVARKILL
	ADUFFCOPY
	ADUFFZERO
	ADATABUNDLE
	ADATABUNDLEEND
	AMRC
	ALAST
)

const (
	C_SCOND      = (1 << 4) - 1
	C_SBIT       = 1 << 4
	C_PBIT       = 1 << 5
	C_WBIT       = 1 << 6
	C_FBIT       = 1 << 7
	C_UBIT       = 1 << 7
	C_SCOND_EQ   = 0
	C_SCOND_NE   = 1
	C_SCOND_HS   = 2
	C_SCOND_LO   = 3
	C_SCOND_MI   = 4
	C_SCOND_PL   = 5
	C_SCOND_VS   = 6
	C_SCOND_VC   = 7
	C_SCOND_HI   = 8
	C_SCOND_LS   = 9
	C_SCOND_GE   = 10
	C_SCOND_LT   = 11
	C_SCOND_GT   = 12
	C_SCOND_LE   = 13
	C_SCOND_NONE = 14
	C_SCOND_NV   = 15
	SHIFT_LL     = 0 << 5
	SHIFT_LR     = 1 << 5
	SHIFT_AR     = 2 << 5
	SHIFT_RR     = 3 << 5
)

scond byte

const (
	D_GOK     = 0
	D_NONE    = 1
	D_BRANCH  = D_NONE + 1
	D_OREG    = D_NONE + 2
	D_CONST   = D_NONE + 7
	D_FCONST  = D_NONE + 8
	D_SCONST  = D_NONE + 9
	D_PSR     = D_NONE + 10
	D_REG     = D_NONE + 12
	D_FREG    = D_NONE + 13
	D_FILE    = D_NONE + 16
	D_OCONST  = D_NONE + 17
	D_FILE1   = D_NONE + 18
	D_SHIFT   = D_NONE + 19
	D_FPCR    = D_NONE + 20
	D_REGREG  = D_NONE + 21
	D_ADDR    = D_NONE + 22
	D_SBIG    = D_NONE + 23
	D_CONST2  = D_NONE + 24
	D_REGREG2 = D_NONE + 25
	D_EXTERN  = D_NONE + 3
	D_STATIC  = D_NONE + 4
	D_AUTO    = D_NONE + 5
	D_PARAM   = D_NONE + 6
	D_LAST    = D_NONE + 26
)

const (
	LFROM  = 1 << 0
	LTO    = 1 << 1
	LPOOL  = 1 << 2
	LPCREL = 1 << 3
)

const (
	FOLL  = 1 << 0
	LABEL = 1 << 1
	LEAF  = 1 << 2
)

Prog.mark

const (
	REGARG = -1
)

-1 disables use of REGARG

const (
	STRINGSZ = 1000
)

Variables

var Linkarm = liblink.LinkArch{
	ByteOrder:     binary.LittleEndian,
	Pconv:         Pconv,
	Name:          "arm",
	Thechar:       '5',
	Endian:        liblink.LittleEndian,
	Addstacksplit: addstacksplit,
	Assemble:      span5,
	Datasize:      datasize,
	Follow:        follow,
	Iscall:        iscall,
	Isdata:        isdata,
	Prg:           prg,
	Progedit:      progedit,
	Settextflag:   settextflag,
	Symtype:       symtype,
	Textflag:      textflag,
	Minlc:         4,
	Ptrsize:       4,
	Regsize:       4,
	D_ADDR:        D_ADDR,
	D_AUTO:        D_AUTO,
	D_BRANCH:      D_BRANCH,
	D_CONST:       D_CONST,
	D_EXTERN:      D_EXTERN,
	D_FCONST:      D_FCONST,
	D_NONE:        D_NONE,
	D_PARAM:       D_PARAM,
	D_SCONST:      D_SCONST,
	D_STATIC:      D_STATIC,
	D_OREG:        D_OREG,
	ACALL:         ABL,
	ADATA:         ADATA,
	AEND:          AEND,
	AFUNCDATA:     AFUNCDATA,
	AGLOBL:        AGLOBL,
	AJMP:          AB,
	ANOP:          ANOP,
	APCDATA:       APCDATA,
	ARET:          ARET,
	ATEXT:         ATEXT,
	ATYPE:         ATYPE,
	AUSEFIELD:     AUSEFIELD,
}

var SYMDEF string

* this is the ranlib header

Functions

func Aconv

func Aconv(a int) string

func DRconv

func DRconv(a int) string

func Dconv

func Dconv(p *liblink.Prog, flag int, a *liblink.Addr) string

func Mconv

func Mconv(a *liblink.Addr) string

func Pconv

func Pconv(p *liblink.Prog) string

func RAconv

func RAconv(a *liblink.Addr) string

func Rconv

func Rconv(r int) string

Types

type Opcross

type Opcross [32][2][32]uint8

type Oprang

type Oprang struct {
	// contains filtered or unexported fields
}

type Optab

type Optab struct {
	// contains filtered or unexported fields
}

Notes

Bugs

• how to correctly handle line number for constant pool entries? for now, we set line number to the last instruction preceding them at least this won't bloat the .debug_line tables