1 /* Register names and numbers for Alpha DWARF. 2 Copyright (C) 2007 Red Hat, Inc. 3 This file is part of Red Hat elfutils. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <string.h> 31 #include <dwarf.h> 32 33 #define BACKEND alpha_ 34 #include "libebl_CPU.h" 35 36 ssize_t 37 alpha_register_info (Ebl *ebl __attribute__ ((unused)), 38 int regno, char *name, size_t namelen, 39 const char **prefix, const char **setname, 40 int *bits, int *type) 41 { 42 if (name == NULL) 43 return 67; 44 45 if (regno < 0 || regno > 66 || namelen < 7) 46 return -1; 47 48 *prefix = "$"; 49 50 *bits = 64; 51 *type = DW_ATE_signed; 52 *setname = "integer"; 53 if (regno >= 32 && regno < 64) 54 { 55 *setname = "FPU"; 56 *type = DW_ATE_float; 57 } 58 59 switch (regno) 60 { 61 case 0: 62 name[0] = 'v'; 63 name[1] = '0'; 64 namelen = 2; 65 break; 66 67 case 1 ... 8: 68 name[0] = 't'; 69 name[1] = regno - 1 + '0'; 70 namelen = 2; 71 break; 72 73 case 9 ... 15: 74 name[0] = 's'; 75 name[1] = regno - 9 + '0'; 76 namelen = 2; 77 break; 78 79 case 16 ... 21: 80 name[0] = 'a'; 81 name[1] = regno - 16 + '0'; 82 namelen = 2; 83 break; 84 85 case 22 ... 23: 86 name[0] = 't'; 87 name[1] = regno - 22 + '8'; 88 namelen = 2; 89 break; 90 91 case 24 ... 25: 92 name[0] = 't'; 93 name[1] = '1'; 94 name[2] = regno - 24 + '0'; 95 namelen = 3; 96 break; 97 98 case 26: 99 *type = DW_ATE_address; 100 return stpcpy (name, "ra") + 1 - name; 101 102 case 27: 103 return stpcpy (name, "t12") + 1 - name; 104 105 case 28: 106 return stpcpy (name, "at") + 1 - name; 107 108 case 29: 109 *type = DW_ATE_address; 110 return stpcpy (name, "gp") + 1 - name; 111 112 case 30: 113 *type = DW_ATE_address; 114 return stpcpy (name, "sp") + 1 - name; 115 116 case 31: 117 return stpcpy (name, "zero") + 1 - name; 118 119 case 32 ... 32 + 9: 120 name[0] = 'f'; 121 name[1] = regno - 32 + '0'; 122 namelen = 2; 123 break; 124 125 case 32 + 10 ... 32 + 19: 126 name[0] = 'f'; 127 name[1] = '1'; 128 name[2] = regno - 32 - 10 + '0'; 129 namelen = 3; 130 break; 131 132 case 32 + 20 ... 32 + 29: 133 name[0] = 'f'; 134 name[1] = '2'; 135 name[2] = regno - 32 - 20 + '0'; 136 namelen = 3; 137 break; 138 139 case 32 + 30: 140 return stpcpy (name, "f30") + 1 - name; 141 142 case 32 + 31: 143 *type = DW_ATE_unsigned; 144 return stpcpy (name, "fpcr") + 1 - name; 145 146 case 64: 147 *type = DW_ATE_address; 148 return stpcpy (name, "pc") + 1 - name; 149 150 case 66: 151 *type = DW_ATE_address; 152 return stpcpy (name, "unique") + 1 - name; 153 154 default: 155 *setname = NULL; 156 return 0; 157 } 158 159 name[namelen++] = '\0'; 160 return namelen; 161 } 162
