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 (a] 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 (a] 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 r == REGSB { 51 // Special case. 52 return "RSB" 53 } 54 if REG_R0 <= r && r <= REG_R31 { 55 return fmt.Sprintf("R%d", r-REG_R0) 56 } 57 if REG_F0 <= r && r <= REG_F31 { 58 return fmt.Sprintf("F%d", r-REG_F0) 59 } 60 if REG_M0 <= r && r <= REG_M31 { 61 return fmt.Sprintf("M%d", r-REG_M0) 62 } 63 if REG_FCR0 <= r && r <= REG_FCR31 { 64 return fmt.Sprintf("FCR%d", r-REG_FCR0) 65 } 66 if r == REG_HI { 67 return "HI" 68 } 69 if r == REG_LO { 70 return "LO" 71 } 72 73 return fmt.Sprintf("Rgok(%d)", r-obj.RBaseMIPS) 74 } 75 76 func DRconv(a int) string { 77 s := "C_??" 78 if a >= C_NONE && a <= C_NCLASS { 79 s = cnames0[a] 80 } 81 var fp string 82 fp += s 83 return fp 84 } 85
