// 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 )