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 ppc64 31 32 import ( 33 "cmd/internal/obj" 34 "fmt" 35 ) 36 37 func init() { 38 obj.RegisterRegister(obj.RBasePPC64, REG_DCR0+1024, rconv) 39 obj.RegisterOpcode(obj.ABasePPC64, 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_V0 <= r && r <= REG_V31 { 57 return fmt.Sprintf("V%d", r-REG_V0) 58 } 59 if REG_VS0 <= r && r <= REG_VS63 { 60 return fmt.Sprintf("VS%d", r-REG_VS0) 61 } 62 if REG_CR0 <= r && r <= REG_CR7 { 63 return fmt.Sprintf("CR%d", r-REG_CR0) 64 } 65 if r == REG_CR { 66 return "CR" 67 } 68 if REG_SPR0 <= r && r <= REG_SPR0+1023 { 69 switch r { 70 case REG_XER: 71 return "XER" 72 73 case REG_LR: 74 return "LR" 75 76 case REG_CTR: 77 return "CTR" 78 } 79 80 return fmt.Sprintf("SPR(%d)", r-REG_SPR0) 81 } 82 83 if REG_DCR0 <= r && r <= REG_DCR0+1023 { 84 return fmt.Sprintf("DCR(%d)", r-REG_DCR0) 85 } 86 if r == REG_FPSCR { 87 return "FPSCR" 88 } 89 if r == REG_MSR { 90 return "MSR" 91 } 92 93 return fmt.Sprintf("Rgok(%d)", r-obj.RBasePPC64) 94 } 95 96 func DRconv(a int) string { 97 s := "C_??" 98 if a >= C_NONE && a <= C_NCLASS { 99 s = cnames9[a] 100 } 101 var fp string 102 fp += s 103 return fp 104 } 105