diff options
Diffstat (limited to 'src/cmd/internal/obj/arm/a.out.go')
| -rw-r--r-- | src/cmd/internal/obj/arm/a.out.go | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/arm/a.out.go b/src/cmd/internal/obj/arm/a.out.go new file mode 100644 index 0000000..fd695ad --- /dev/null +++ b/src/cmd/internal/obj/arm/a.out.go @@ -0,0 +1,410 @@ +// Inferno utils/5c/5.out.h +// https://bitbucket.org/inferno-os/inferno-os/src/master/utils/5c/5.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 arm + +import "cmd/internal/obj" + +//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p arm + +const ( + NSNAME = 8 + NSYM = 50 + NREG = 16 +) + +/* -1 disables use of REGARG */ +const ( + REGARG = -1 +) + +const ( + REG_R0 = obj.RBaseARM + iota // must be 16-aligned + 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_F0 // must be 16-aligned + 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_FPSR // must be 2-aligned + REG_FPCR + + REG_CPSR // must be 2-aligned + REG_SPSR + + REGRET = REG_R0 + /* compiler allocates R1 up as temps */ + /* compiler allocates register variables R3 up */ + /* compiler allocates external registers R10 down */ + REGEXT = REG_R10 + /* these two registers are declared in runtime.h */ + REGG = REGEXT - 0 + REGM = REGEXT - 1 + + REGCTXT = REG_R7 + REGTMP = REG_R11 + REGSP = REG_R13 + REGLINK = REG_R14 + REGPC = REG_R15 + + NFREG = 16 + /* compiler allocates register variables F0 up */ + /* compiler allocates external registers F7 down */ + FREGRET = REG_F0 + FREGEXT = REG_F7 + FREGTMP = REG_F15 +) + +// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0040b/IHI0040B_aadwarf.pdf +var ARMDWARFRegisters = map[int16]int16{} + +func init() { + // f assigns dwarfregisters[from:to] = (base):(step*(to-from)+base) + f := func(from, to, base, step int16) { + for r := int16(from); r <= to; r++ { + ARMDWARFRegisters[r] = step*(r-from) + base + } + } + f(REG_R0, REG_R15, 0, 1) + f(REG_F0, REG_F15, 64, 2) // Use d0 through D15, aka S0, S2, ..., S30 +} + +// Special registers, after subtracting obj.RBaseARM, bit 9 indicates +// a special register and the low bits select the register. +const ( + REG_SPECIAL = obj.RBaseARM + 1<<9 + iota + REG_MB_SY + REG_MB_ST + REG_MB_ISH + REG_MB_ISHST + REG_MB_NSH + REG_MB_NSHST + REG_MB_OSH + REG_MB_OSHST + + MAXREG +) + +const ( + C_NONE = iota + C_REG + C_REGREG + C_REGREG2 + C_REGLIST + C_SHIFT /* register shift R>>x */ + C_SHIFTADDR /* memory address with shifted offset R>>x(R) */ + C_FREG + C_PSR + C_FCR + C_SPR /* REG_MB_SY */ + + C_RCON /* 0xff rotated */ + C_NCON /* ~RCON */ + C_RCON2A /* OR of two disjoint C_RCON constants */ + C_RCON2S /* subtraction of two disjoint C_RCON constants */ + C_SCON /* 0xffff */ + C_LCON + C_LCONADDR + C_ZFCON + C_SFCON + C_LFCON + + C_RACON /* <=0xff rotated constant offset from auto */ + C_LACON /* Large Auto CONstant, i.e. large offset from SP */ + + C_SBRA + C_LBRA + + C_HAUTO /* halfword insn offset (-0xff to 0xff) */ + C_FAUTO /* float insn offset (0 to 0x3fc, word aligned) */ + C_HFAUTO /* both H and F */ + C_SAUTO /* -0xfff to 0xfff */ + C_LAUTO + + C_HOREG + C_FOREG + C_HFOREG + C_SOREG + C_ROREG + C_SROREG /* both nil and R */ + C_LOREG + + C_PC + C_SP + C_HREG + + C_ADDR /* reference to relocatable address */ + + // 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_TEXTSIZE + + C_GOK + + C_NCLASS /* must be the last */ +) + +const ( + AAND = obj.ABaseARM + obj.A_ARCHSPECIFIC + iota + AEOR + ASUB + ARSB + AADD + AADC + ASBC + ARSC + ATST + ATEQ + ACMP + ACMN + AORR + ABIC + + AMVN + + /* + * Do not reorder or fragment the conditional branch + * opcodes, or the predication code will break + */ + 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 + ANMULF + ANMULD + AMULAF + AMULAD + ANMULAF + ANMULAD + AMULSF + AMULSD + ANMULSF + ANMULSD + AFMULAF + AFMULAD + AFNMULAF + AFNMULAD + AFMULSF + AFMULSD + AFNMULSF + AFNMULSD + ADIVF + ADIVD + ASQRTF + ASQRTD + AABSF + AABSD + ANEGF + ANEGD + + ASRL + ASRA + ASLL + AMULU + ADIVU + AMUL + AMMUL + ADIV + AMOD + AMODU + ADIVHW + ADIVUHW + + AMOVB + AMOVBS + AMOVBU + AMOVH + AMOVHS + AMOVHU + AMOVW + AMOVM + ASWPBU + ASWPW + + ARFE + ASWI + AMULA + AMULS + AMMULA + AMMULS + + AWORD + + AMULL + AMULAL + AMULLU + AMULALU + + ABX + ABXRET + ADWORD + + ALDREX + ASTREX + ALDREXD + ASTREXD + + ADMB + + APLD + + ACLZ + AREV + AREV16 + AREVSH + ARBIT + + AXTAB + AXTAH + AXTABU + AXTAHU + + ABFX + ABFXU + ABFC + ABFI + + AMULWT + AMULWB + AMULBB + AMULAWT + AMULAWB + AMULABB + + AMRC // MRC/MCR + + ALAST + + // aliases + AB = obj.AJMP + ABL = obj.ACALL +) + +/* scond byte */ +const ( + C_SCOND = (1 << 4) - 1 + C_SBIT = 1 << 4 + C_PBIT = 1 << 5 + C_WBIT = 1 << 6 + C_FBIT = 1 << 7 /* psr flags-only */ + C_UBIT = 1 << 7 /* up bit, unsigned bit */ + + // These constants are the ARM condition codes encodings, + // XORed with 14 so that C_SCOND_NONE has value 0, + // so that a zeroed Prog.scond means "always execute". + C_SCOND_XOR = 14 + + C_SCOND_EQ = 0 ^ C_SCOND_XOR + C_SCOND_NE = 1 ^ C_SCOND_XOR + C_SCOND_HS = 2 ^ C_SCOND_XOR + C_SCOND_LO = 3 ^ C_SCOND_XOR + C_SCOND_MI = 4 ^ C_SCOND_XOR + C_SCOND_PL = 5 ^ C_SCOND_XOR + C_SCOND_VS = 6 ^ C_SCOND_XOR + C_SCOND_VC = 7 ^ C_SCOND_XOR + C_SCOND_HI = 8 ^ C_SCOND_XOR + C_SCOND_LS = 9 ^ C_SCOND_XOR + C_SCOND_GE = 10 ^ C_SCOND_XOR + C_SCOND_LT = 11 ^ C_SCOND_XOR + C_SCOND_GT = 12 ^ C_SCOND_XOR + C_SCOND_LE = 13 ^ C_SCOND_XOR + C_SCOND_NONE = 14 ^ C_SCOND_XOR + C_SCOND_NV = 15 ^ C_SCOND_XOR + + /* D_SHIFT type */ + SHIFT_LL = 0 << 5 + SHIFT_LR = 1 << 5 + SHIFT_AR = 2 << 5 + SHIFT_RR = 3 << 5 +) |