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a.out.go
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a.out.go
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// cmd/7c/7.out.h from Vita Nuova.
// https://code.google.com/p/ken-cc/source/browse/src/cmd/7c/7.out.h
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// 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 arm64
import "github.com/pgavlin/gc/obj"
const (
NSNAME = 8
NSYM = 50
NREG = 32 /* number of general registers */
NFREG = 32 /* number of floating point registers */
)
// General purpose registers, kept in the low bits of Prog.Reg.
const (
// integer
REG_R0 = obj.RBaseARM64 + iota
REG_R1
REG_R2
REG_R3
REG_R4
REG_R5
REG_R6
REG_R7
REG_R8
REG_R9
REG_R10
REG_R11
REG_R12
REG_R13
REG_R14
REG_R15
REG_R16
REG_R17
REG_R18
REG_R19
REG_R20
REG_R21
REG_R22
REG_R23
REG_R24
REG_R25
REG_R26
REG_R27
REG_R28
REG_R29
REG_R30
REG_R31
// scalar floating point
REG_F0
REG_F1
REG_F2
REG_F3
REG_F4
REG_F5
REG_F6
REG_F7
REG_F8
REG_F9
REG_F10
REG_F11
REG_F12
REG_F13
REG_F14
REG_F15
REG_F16
REG_F17
REG_F18
REG_F19
REG_F20
REG_F21
REG_F22
REG_F23
REG_F24
REG_F25
REG_F26
REG_F27
REG_F28
REG_F29
REG_F30
REG_F31
// SIMD
REG_V0
REG_V1
REG_V2
REG_V3
REG_V4
REG_V5
REG_V6
REG_V7
REG_V8
REG_V9
REG_V10
REG_V11
REG_V12
REG_V13
REG_V14
REG_V15
REG_V16
REG_V17
REG_V18
REG_V19
REG_V20
REG_V21
REG_V22
REG_V23
REG_V24
REG_V25
REG_V26
REG_V27
REG_V28
REG_V29
REG_V30
REG_V31
// The EQ in
// CSET EQ, R0
// is encoded as TYPE_REG, even though it's not really a register.
COND_EQ
COND_NE
COND_HS
COND_LO
COND_MI
COND_PL
COND_VS
COND_VC
COND_HI
COND_LS
COND_GE
COND_LT
COND_GT
COND_LE
COND_AL
COND_NV
REG_RSP = REG_V31 + 32 // to differentiate ZR/SP, REG_RSP&0x1f = 31
)
// bits 0-4 indicates register: Vn
// bits 5-8 indicates arrangement: <T>
const (
REG_ARNG = obj.RBaseARM64 + 1<<10 + iota<<9 // Vn.<T>
REG_ELEM // Vn.<T>[index]
REG_ELEM_END
)
// Not registers, but flags that can be combined with regular register
// constants to indicate extended register conversion. When checking,
// you should subtract obj.RBaseARM64 first. From this difference, bit 11
// indicates extended register, bits 8-10 select the conversion mode.
// REG_LSL is the index shift specifier, bit 9 indicates shifted offset register.
const REG_LSL = obj.RBaseARM64 + 1<<9
const REG_EXT = obj.RBaseARM64 + 1<<11
const (
REG_UXTB = REG_EXT + iota<<8
REG_UXTH
REG_UXTW
REG_UXTX
REG_SXTB
REG_SXTH
REG_SXTW
REG_SXTX
)
// Special registers, after subtracting obj.RBaseARM64, bit 12 indicates
// a special register and the low bits select the register.
// SYSREG_END is the last item in the automatically generated system register
// declaration, and it is defined in the sysRegEnc.go file.
const (
REG_SPECIAL = obj.RBaseARM64 + 1<<12
REG_DAIFSet = SYSREG_END + iota
REG_DAIFClr
REG_PLDL1KEEP
REG_PLDL1STRM
REG_PLDL2KEEP
REG_PLDL2STRM
REG_PLDL3KEEP
REG_PLDL3STRM
REG_PLIL1KEEP
REG_PLIL1STRM
REG_PLIL2KEEP
REG_PLIL2STRM
REG_PLIL3KEEP
REG_PLIL3STRM
REG_PSTL1KEEP
REG_PSTL1STRM
REG_PSTL2KEEP
REG_PSTL2STRM
REG_PSTL3KEEP
REG_PSTL3STRM
)
// Register assignments:
//
// compiler allocates R0 up as temps
// compiler allocates register variables R7-R25
// compiler allocates external registers R26 down
//
// compiler allocates register variables F7-F26
// compiler allocates external registers F26 down
const (
REGMIN = REG_R7 // register variables allocated from here to REGMAX
REGRT1 = REG_R16 // ARM64 IP0, external linker may use as a scrach register in trampoline
REGRT2 = REG_R17 // ARM64 IP1, external linker may use as a scrach register in trampoline
REGPR = REG_R18 // ARM64 platform register, unused in the Go toolchain
REGMAX = REG_R25
REGCTXT = REG_R26 // environment for closures
REGTMP = REG_R27 // reserved for liblink
REGG = REG_R28 // G
REGFP = REG_R29 // frame pointer, unused in the Go toolchain
REGLINK = REG_R30
// ARM64 uses R31 as both stack pointer and zero register,
// depending on the instruction. To differentiate RSP from ZR,
// we use a different numeric value for REGZERO and REGSP.
REGZERO = REG_R31
REGSP = REG_RSP
FREGRET = REG_F0
FREGMIN = REG_F7 // first register variable
FREGMAX = REG_F26 // last register variable for 7g only
FREGEXT = REG_F26 // first external register
)
// http://infocenter.arm.com/help/topic/com.arm.doc.ecm0665627/abi_sve_aadwarf_100985_0000_00_en.pdf
var ARM64DWARFRegisters = map[int16]int16{
REG_R0: 0,
REG_R1: 1,
REG_R2: 2,
REG_R3: 3,
REG_R4: 4,
REG_R5: 5,
REG_R6: 6,
REG_R7: 7,
REG_R8: 8,
REG_R9: 9,
REG_R10: 10,
REG_R11: 11,
REG_R12: 12,
REG_R13: 13,
REG_R14: 14,
REG_R15: 15,
REG_R16: 16,
REG_R17: 17,
REG_R18: 18,
REG_R19: 19,
REG_R20: 20,
REG_R21: 21,
REG_R22: 22,
REG_R23: 23,
REG_R24: 24,
REG_R25: 25,
REG_R26: 26,
REG_R27: 27,
REG_R28: 28,
REG_R29: 29,
REG_R30: 30,
// floating point
REG_F0: 64,
REG_F1: 65,
REG_F2: 66,
REG_F3: 67,
REG_F4: 68,
REG_F5: 69,
REG_F6: 70,
REG_F7: 71,
REG_F8: 72,
REG_F9: 73,
REG_F10: 74,
REG_F11: 75,
REG_F12: 76,
REG_F13: 77,
REG_F14: 78,
REG_F15: 79,
REG_F16: 80,
REG_F17: 81,
REG_F18: 82,
REG_F19: 83,
REG_F20: 84,
REG_F21: 85,
REG_F22: 86,
REG_F23: 87,
REG_F24: 88,
REG_F25: 89,
REG_F26: 90,
REG_F27: 91,
REG_F28: 92,
REG_F29: 93,
REG_F30: 94,
REG_F31: 95,
// SIMD
REG_V0: 64,
REG_V1: 65,
REG_V2: 66,
REG_V3: 67,
REG_V4: 68,
REG_V5: 69,
REG_V6: 70,
REG_V7: 71,
REG_V8: 72,
REG_V9: 73,
REG_V10: 74,
REG_V11: 75,
REG_V12: 76,
REG_V13: 77,
REG_V14: 78,
REG_V15: 79,
REG_V16: 80,
REG_V17: 81,
REG_V18: 82,
REG_V19: 83,
REG_V20: 84,
REG_V21: 85,
REG_V22: 86,
REG_V23: 87,
REG_V24: 88,
REG_V25: 89,
REG_V26: 90,
REG_V27: 91,
REG_V28: 92,
REG_V29: 93,
REG_V30: 94,
REG_V31: 95,
}
const (
BIG = 2048 - 8
)
const (
/* mark flags */
LABEL = 1 << iota
LEAF
FLOAT
BRANCH
LOAD
FCMP
SYNC
LIST
FOLL
NOSCHED
)
const (
// optab is sorted based on the order of these constants
// and the first match is chosen.
// The more specific class needs to come earlier.
C_NONE = iota
C_REG // R0..R30
C_RSP // R0..R30, RSP
C_FREG // F0..F31
C_VREG // V0..V31
C_PAIR // (Rn, Rm)
C_SHIFT // Rn<<2
C_EXTREG // Rn.UXTB[<<3]
C_SPR // REG_NZCV
C_COND // EQ, NE, etc
C_ARNG // Vn.<T>
C_ELEM // Vn.<T>[index]
C_LIST // [V1, V2, V3]
C_ZCON // $0 or ZR
C_ABCON0 // could be C_ADDCON0 or C_BITCON
C_ADDCON0 // 12-bit unsigned, unshifted
C_ABCON // could be C_ADDCON or C_BITCON
C_AMCON // could be C_ADDCON or C_MOVCON
C_ADDCON // 12-bit unsigned, shifted left by 0 or 12
C_MBCON // could be C_MOVCON or C_BITCON
C_MOVCON // generated by a 16-bit constant, optionally inverted and/or shifted by multiple of 16
C_BITCON // bitfield and logical immediate masks
C_ADDCON2 // 24-bit constant
C_LCON // 32-bit constant
C_MOVCON2 // a constant that can be loaded with one MOVZ/MOVN and one MOVK
C_MOVCON3 // a constant that can be loaded with one MOVZ/MOVN and two MOVKs
C_VCON // 64-bit constant
C_FCON // floating-point constant
C_VCONADDR // 64-bit memory address
C_AACON // ADDCON offset in auto constant $a(FP)
C_LACON // 32-bit offset in auto constant $a(FP)
C_AECON // ADDCON offset in extern constant $e(SB)
// TODO(aram): only one branch class should be enough
C_SBRA // for TYPE_BRANCH
C_LBRA
C_ZAUTO // 0(RSP)
C_NSAUTO_8 // -256 <= x < 0, 0 mod 8
C_NSAUTO_4 // -256 <= x < 0, 0 mod 4
C_NSAUTO // -256 <= x < 0
C_NPAUTO // -512 <= x < 0, 0 mod 8
C_NAUTO4K // -4095 <= x < 0
C_PSAUTO_8 // 0 to 255, 0 mod 8
C_PSAUTO_4 // 0 to 255, 0 mod 4
C_PSAUTO // 0 to 255
C_PPAUTO // 0 to 504, 0 mod 8
C_UAUTO4K_8 // 0 to 4095, 0 mod 8
C_UAUTO4K_4 // 0 to 4095, 0 mod 4
C_UAUTO4K_2 // 0 to 4095, 0 mod 2
C_UAUTO4K // 0 to 4095
C_UAUTO8K_8 // 0 to 8190, 0 mod 8
C_UAUTO8K_4 // 0 to 8190, 0 mod 4
C_UAUTO8K // 0 to 8190, 0 mod 2
C_UAUTO16K_8 // 0 to 16380, 0 mod 8
C_UAUTO16K // 0 to 16380, 0 mod 4
C_UAUTO32K // 0 to 32760, 0 mod 8
C_LAUTO // any other 32-bit constant
C_SEXT1 // 0 to 4095, direct
C_SEXT2 // 0 to 8190
C_SEXT4 // 0 to 16380
C_SEXT8 // 0 to 32760
C_SEXT16 // 0 to 65520
C_LEXT
C_ZOREG // 0(R)
C_NSOREG_8 // must mirror C_NSAUTO_8, etc
C_NSOREG_4
C_NSOREG
C_NPOREG
C_NOREG4K
C_PSOREG_8
C_PSOREG_4
C_PSOREG
C_PPOREG
C_UOREG4K_8
C_UOREG4K_4
C_UOREG4K_2
C_UOREG4K
C_UOREG8K_8
C_UOREG8K_4
C_UOREG8K
C_UOREG16K_8
C_UOREG16K
C_UOREG32K
C_LOREG
C_ADDR // TODO(aram): explain difference from C_VCONADDR
// The GOT slot for a symbol in -dynlink mode.
C_GOTADDR
// TLS "var" in local exec mode: will become a constant offset from
// thread local base that is ultimately chosen by the program linker.
C_TLS_LE
// TLS "var" in initial exec mode: will become a memory address (chosen
// by the program linker) that the dynamic linker will fill with the
// offset from the thread local base.
C_TLS_IE
C_ROFF // register offset (including register extended)
C_GOK
C_TEXTSIZE
C_NCLASS // must be last
)
const (
C_XPRE = 1 << 6 // match arm.C_WBIT, so Prog.String know how to print it
C_XPOST = 1 << 5 // match arm.C_PBIT, so Prog.String know how to print it
)
//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p arm64
const (
AADC = obj.ABaseARM64 + obj.A_ARCHSPECIFIC + iota
AADCS
AADCSW
AADCW
AADD
AADDS
AADDSW
AADDW
AADR
AADRP
AAND
AANDS
AANDSW
AANDW
AASR
AASRW
AAT
ABFI
ABFIW
ABFM
ABFMW
ABFXIL
ABFXILW
ABIC
ABICS
ABICSW
ABICW
ABRK
ACBNZ
ACBNZW
ACBZ
ACBZW
ACCMN
ACCMNW
ACCMP
ACCMPW
ACINC
ACINCW
ACINV
ACINVW
ACLREX
ACLS
ACLSW
ACLZ
ACLZW
ACMN
ACMNW
ACMP
ACMPW
ACNEG
ACNEGW
ACRC32B
ACRC32CB
ACRC32CH
ACRC32CW
ACRC32CX
ACRC32H
ACRC32W
ACRC32X
ACSEL
ACSELW
ACSET
ACSETM
ACSETMW
ACSETW
ACSINC
ACSINCW
ACSINV
ACSINVW
ACSNEG
ACSNEGW
ADC
ADCPS1
ADCPS2
ADCPS3
ADMB
ADRPS
ADSB
AEON
AEONW
AEOR
AEORW
AERET
AEXTR
AEXTRW
AHINT
AHLT
AHVC
AIC
AISB
ALDADDAB
ALDADDAD
ALDADDAH
ALDADDAW
ALDADDALB
ALDADDALD
ALDADDALH
ALDADDALW
ALDADDB
ALDADDD
ALDADDH
ALDADDW
ALDADDLB
ALDADDLD
ALDADDLH
ALDADDLW
ALDANDAB
ALDANDAD
ALDANDAH
ALDANDAW
ALDANDALB
ALDANDALD
ALDANDALH
ALDANDALW
ALDANDB
ALDANDD
ALDANDH
ALDANDW
ALDANDLB
ALDANDLD
ALDANDLH
ALDANDLW
ALDAR
ALDARB
ALDARH
ALDARW
ALDAXP
ALDAXPW
ALDAXR
ALDAXRB
ALDAXRH
ALDAXRW
ALDEORAB
ALDEORAD
ALDEORAH
ALDEORAW
ALDEORALB
ALDEORALD
ALDEORALH
ALDEORALW
ALDEORB
ALDEORD
ALDEORH
ALDEORW
ALDEORLB
ALDEORLD
ALDEORLH
ALDEORLW
ALDORAB
ALDORAD
ALDORAH
ALDORAW
ALDORALB
ALDORALD
ALDORALH
ALDORALW
ALDORB
ALDORD
ALDORH
ALDORW
ALDORLB
ALDORLD
ALDORLH
ALDORLW
ALDP
ALDPW
ALDPSW
ALDXR
ALDXRB
ALDXRH
ALDXRW
ALDXP
ALDXPW
ALSL
ALSLW
ALSR
ALSRW
AMADD
AMADDW
AMNEG
AMNEGW
AMOVK
AMOVKW
AMOVN
AMOVNW
AMOVZ
AMOVZW
AMRS
AMSR
AMSUB
AMSUBW
AMUL
AMULW
AMVN
AMVNW
ANEG
ANEGS
ANEGSW
ANEGW
ANGC
ANGCS
ANGCSW
ANGCW
ANOOP
AORN
AORNW
AORR
AORRW
APRFM
APRFUM
ARBIT
ARBITW
AREM
AREMW
AREV
AREV16
AREV16W
AREV32
AREVW
AROR
ARORW
ASBC
ASBCS
ASBCSW
ASBCW
ASBFIZ
ASBFIZW
ASBFM
ASBFMW
ASBFX
ASBFXW
ASDIV
ASDIVW
ASEV
ASEVL
ASMADDL
ASMC
ASMNEGL
ASMSUBL
ASMULH
ASMULL
ASTXR
ASTXRB
ASTXRH
ASTXP
ASTXPW
ASTXRW
ASTLP
ASTLPW
ASTLR
ASTLRB
ASTLRH
ASTLRW
ASTLXP
ASTLXPW
ASTLXR
ASTLXRB
ASTLXRH
ASTLXRW
ASTP
ASTPW
ASUB
ASUBS
ASUBSW
ASUBW
ASVC
ASXTB
ASXTBW
ASXTH
ASXTHW
ASXTW
ASYS
ASYSL
ATBNZ
ATBZ
ATLBI
ATST
ATSTW
AUBFIZ
AUBFIZW
AUBFM
AUBFMW
AUBFX
AUBFXW
AUDIV
AUDIVW
AUMADDL
AUMNEGL
AUMSUBL
AUMULH
AUMULL
AUREM
AUREMW
AUXTB
AUXTH
AUXTW
AUXTBW
AUXTHW
AWFE
AWFI
AYIELD
AMOVB
AMOVBU
AMOVH
AMOVHU
AMOVW
AMOVWU
AMOVD
AMOVNP
AMOVNPW
AMOVP
AMOVPD
AMOVPQ
AMOVPS
AMOVPSW
AMOVPW
ASWPAD
ASWPAW
ASWPAH
ASWPAB
ASWPALD
ASWPALW
ASWPALH
ASWPALB
ASWPD
ASWPW
ASWPH
ASWPB
ASWPLD
ASWPLW
ASWPLH
ASWPLB
ABEQ
ABNE
ABCS
ABHS
ABCC
ABLO
ABMI
ABPL
ABVS
ABVC
ABHI
ABLS
ABGE
ABLT
ABGT
ABLE
AFABSD
AFABSS
AFADDD
AFADDS
AFCCMPD
AFCCMPED
AFCCMPS
AFCCMPES
AFCMPD
AFCMPED
AFCMPES
AFCMPS
AFCVTSD
AFCVTDS
AFCVTZSD
AFCVTZSDW
AFCVTZSS
AFCVTZSSW
AFCVTZUD
AFCVTZUDW
AFCVTZUS
AFCVTZUSW
AFDIVD
AFDIVS
AFLDPD
AFLDPS
AFMOVD
AFMOVS
AFMULD
AFMULS
AFNEGD
AFNEGS
AFSQRTD
AFSQRTS
AFSTPD
AFSTPS
AFSUBD
AFSUBS
ASCVTFD
ASCVTFS
ASCVTFWD
ASCVTFWS
AUCVTFD
AUCVTFS
AUCVTFWD
AUCVTFWS
AWORD
ADWORD
AFCSELS
AFCSELD
AFMAXS
AFMINS
AFMAXD
AFMIND
AFMAXNMS
AFMAXNMD
AFNMULS
AFNMULD
AFRINTNS
AFRINTND
AFRINTPS
AFRINTPD
AFRINTMS
AFRINTMD
AFRINTZS
AFRINTZD
AFRINTAS
AFRINTAD
AFRINTXS
AFRINTXD
AFRINTIS
AFRINTID
AFMADDS
AFMADDD
AFMSUBS
AFMSUBD
AFNMADDS
AFNMADDD
AFNMSUBS
AFNMSUBD
AFMINNMS
AFMINNMD
AFCVTDH
AFCVTHS
AFCVTHD
AFCVTSH
AAESD
AAESE
AAESIMC
AAESMC
ASHA1C
ASHA1H
ASHA1M
ASHA1P
ASHA1SU0
ASHA1SU1
ASHA256H
ASHA256H2
ASHA256SU0
ASHA256SU1
AVADD
AVADDP
AVAND
AVCMEQ
AVCNT
AVEOR
AVMOV
AVLD1
AVLD2
AVLD3
AVLD4
AVLD1R
AVLD2R
AVLD3R
AVLD4R
AVORR
AVREV16
AVREV32
AVREV64
AVST1
AVST2
AVST3
AVST4
AVDUP
AVADDV
AVMOVI
AVUADDLV
AVSUB
AVFMLA
AVFMLS
AVPMULL
AVPMULL2
AVEXT
AVRBIT
AVUSHR
AVSHL
AVSRI
AVTBL
AVZIP1
AVZIP2
ALAST
AB = obj.AJMP
ABL = obj.ACALL
)
const (
// shift types
SHIFT_LL = 0 << 22
SHIFT_LR = 1 << 22
SHIFT_AR = 2 << 22
)