1 // cmd/9l/list.c from Vita Nuova. 2 // 3 // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. 4 // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) 5 // Portions Copyright © 1997-1999 Vita Nuova Limited 6 // Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) 7 // Portions Copyright © 2004,2006 Bruce Ellis 8 // Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) 9 // Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others 10 // Portions Copyright © 2009 The Go Authors. All rights reserved. 11 // 12 // Permission is hereby granted, free of charge, to any person obtaining a copy 13 // of this software and associated documentation files (the "Software"), to deal 14 // in the Software without restriction, including without limitation the rights 15 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 16 // copies of the Software, and to permit persons to whom the Software is 17 // furnished to do so, subject to the following conditions: 18 // 19 // The above copyright notice and this permission notice shall be included in 20 // all copies or substantial portions of the Software. 21 // 22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 27 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 28 // THE SOFTWARE. 29 30 package mips 31 32 import ( 33 "cmd/internal/obj" 34 "fmt" 35 ) 36 37 func init() { 38 obj.RegisterRegister(obj.RBaseMIPS, REG_LAST+1, rconv) 39 obj.RegisterOpcode(obj.ABaseMIPS, Anames) 40 } 41 42 func rconv(r int) string { 43 if r == 0 { 44 return "NONE" 45 } 46 if r == REGG { 47 // Special case. 48 return "g" 49 } 50 if REG_R0 <= r && r <= REG_R31 { 51 return fmt.Sprintf("R%d", r-REG_R0) 52 } 53 if REG_F0 <= r && r <= REG_F31 { 54 return fmt.Sprintf("F%d", r-REG_F0) 55 } 56 if REG_M0 <= r && r <= REG_M31 { 57 return fmt.Sprintf("M%d", r-REG_M0) 58 } 59 if REG_FCR0 <= r && r <= REG_FCR31 { 60 return fmt.Sprintf("FCR%d", r-REG_FCR0) 61 } 62 if r == REG_HI { 63 return "HI" 64 } 65 if r == REG_LO { 66 return "LO" 67 } 68 69 return fmt.Sprintf("Rgok(%d)", r-obj.RBaseMIPS) 70 } 71 72 func DRconv(a int) string { 73 s := "C_??" 74 if a >= C_NONE && a <= C_NCLASS { 75 s = cnames0[a] 76 } 77 var fp string 78 fp += s 79 return fp 80 } 81