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      1 // cmd/7l/list.c and cmd/7l/sub.c from Vita Nuova.
      2 // https://code.google.com/p/ken-cc/source/browse/
      3 //
      4 // 	Copyright  1994-1999 Lucent Technologies Inc.  All rights reserved.
      5 // 	Portions Copyright  1995-1997 C H Forsyth (forsyth (a] terzarima.net)
      6 // 	Portions Copyright  1997-1999 Vita Nuova Limited
      7 // 	Portions Copyright  2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
      8 // 	Portions Copyright  2004,2006 Bruce Ellis
      9 // 	Portions Copyright  2005-2007 C H Forsyth (forsyth (a] terzarima.net)
     10 // 	Revisions Copyright  2000-2007 Lucent Technologies Inc. and others
     11 // 	Portions Copyright  2009 The Go Authors.  All rights reserved.
     12 //
     13 // Permission is hereby granted, free of charge, to any person obtaining a copy
     14 // of this software and associated documentation files (the "Software"), to deal
     15 // in the Software without restriction, including without limitation the rights
     16 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     17 // copies of the Software, and to permit persons to whom the Software is
     18 // furnished to do so, subject to the following conditions:
     19 //
     20 // The above copyright notice and this permission notice shall be included in
     21 // all copies or substantial portions of the Software.
     22 //
     23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     24 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     25 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     26 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     27 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     28 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     29 // THE SOFTWARE.
     30 
     31 package arm64
     32 
     33 import (
     34 	"cmd/internal/obj"
     35 	"fmt"
     36 )
     37 
     38 var strcond = [16]string{
     39 	"EQ",
     40 	"NE",
     41 	"HS",
     42 	"LO",
     43 	"MI",
     44 	"PL",
     45 	"VS",
     46 	"VC",
     47 	"HI",
     48 	"LS",
     49 	"GE",
     50 	"LT",
     51 	"GT",
     52 	"LE",
     53 	"AL",
     54 	"NV",
     55 }
     56 
     57 func init() {
     58 	obj.RegisterRegister(obj.RBaseARM64, REG_SPECIAL+1024, Rconv)
     59 	obj.RegisterOpcode(obj.ABaseARM64, Anames)
     60 }
     61 
     62 func Rconv(r int) string {
     63 	if r == REGG {
     64 		return "g"
     65 	}
     66 	switch {
     67 	case REG_R0 <= r && r <= REG_R30:
     68 		return fmt.Sprintf("R%d", r-REG_R0)
     69 	case r == REG_R31:
     70 		return "ZR"
     71 	case REG_F0 <= r && r <= REG_F31:
     72 		return fmt.Sprintf("F%d", r-REG_F0)
     73 	case REG_V0 <= r && r <= REG_V31:
     74 		return fmt.Sprintf("V%d", r-REG_F0)
     75 	case COND_EQ <= r && r <= COND_NV:
     76 		return strcond[r-COND_EQ]
     77 	case r == REGSP:
     78 		return "RSP"
     79 	case r == REG_DAIF:
     80 		return "DAIF"
     81 	case r == REG_NZCV:
     82 		return "NZCV"
     83 	case r == REG_FPSR:
     84 		return "FPSR"
     85 	case r == REG_FPCR:
     86 		return "FPCR"
     87 	case r == REG_SPSR_EL1:
     88 		return "SPSR_EL1"
     89 	case r == REG_ELR_EL1:
     90 		return "ELR_EL1"
     91 	case r == REG_SPSR_EL2:
     92 		return "SPSR_EL2"
     93 	case r == REG_ELR_EL2:
     94 		return "ELR_EL2"
     95 	case r == REG_CurrentEL:
     96 		return "CurrentEL"
     97 	case r == REG_SP_EL0:
     98 		return "SP_EL0"
     99 	case r == REG_SPSel:
    100 		return "SPSel"
    101 	case r == REG_DAIFSet:
    102 		return "DAIFSet"
    103 	case r == REG_DAIFClr:
    104 		return "DAIFClr"
    105 	}
    106 	return fmt.Sprintf("badreg(%d)", r)
    107 }
    108 
    109 func DRconv(a int) string {
    110 	if a >= C_NONE && a <= C_NCLASS {
    111 		return cnames7[a]
    112 	}
    113 	return "C_??"
    114 }
    115