1 /* Register names and numbers for SPARC DWARF. 2 Copyright (C) 2005, 2006, 2015 Red Hat, Inc. 3 This file is part of elfutils. 4 5 This file is free software; you can redistribute it and/or modify 6 it under the terms of either 7 8 * the GNU Lesser General Public License as published by the Free 9 Software Foundation; either version 3 of the License, or (at 10 your option) any later version 11 12 or 13 14 * the GNU General Public License as published by the Free 15 Software Foundation; either version 2 of the License, or (at 16 your option) any later version 17 18 or both in parallel, as here. 19 20 elfutils is distributed in the hope that it will be useful, but 21 WITHOUT ANY WARRANTY; without even the implied warranty of 22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 23 General Public License for more details. 24 25 You should have received copies of the GNU General Public License and 26 the GNU Lesser General Public License along with this program. If 27 not, see <http://www.gnu.org/licenses/>. */ 28 29 #ifdef HAVE_CONFIG_H 30 # include <config.h> 31 #endif 32 33 #include <string.h> 34 #include <dwarf.h> 35 36 #define BACKEND sparc_ 37 #include "libebl_CPU.h" 38 39 ssize_t 40 sparc_register_info (Ebl *ebl, 41 int regno, char *name, size_t namelen, 42 const char **prefix, const char **setname, 43 int *bits, int *type) 44 { 45 const int nfp = 32 + (ebl->class == ELFCLASS32 ? 0 : 16); 46 const int nspec = ebl->class == ELFCLASS32 ? 8 : 6; 47 48 if (name == NULL) 49 return 32 + nfp + nspec; 50 51 if (regno < 0 || regno >= 32 + nfp + nspec || namelen < 6) 52 return -1; 53 54 *bits = ebl->class == ELFCLASS32 ? 32 : 64; 55 *type = DW_ATE_signed; 56 57 *prefix = "%"; 58 59 if (regno >= 32 + nfp) 60 { 61 regno -= 32 + nfp; 62 static const char names[2][8][6] = 63 { 64 { "y", "psr", "wim", "tbr", "pc", "npc", "fsr", "csr" }, /* v8 */ 65 { "pc", "npc", "state", "fsr", "fprs", "y" } /* v9 */ 66 }; 67 *setname = "control"; 68 *type = DW_ATE_unsigned; 69 if ((ebl->class == ELFCLASS64 ? 0 : 4) + 1 - (unsigned int) regno <= 1) 70 *type = DW_ATE_address; 71 return stpncpy (name, names[ebl->class == ELFCLASS64][regno], 72 namelen) + 1 - name; 73 } 74 75 if (regno < 32) 76 { 77 *setname = "integer"; 78 name[0] = "goli"[regno >> 3]; 79 name[1] = (regno & 7) + '0'; 80 namelen = 2; 81 if ((regno & 8) && (regno & 7) == 6) 82 *type = DW_ATE_address; 83 } 84 else 85 { 86 *setname = "FPU"; 87 *type = DW_ATE_float; 88 89 regno -= 32; 90 if (regno >= 32) 91 regno = 32 + 2 * (regno - 32); 92 else 93 *bits = 32; 94 95 name[0] = 'f'; 96 if (regno < 10) 97 { 98 name[1] = regno + '0'; 99 namelen = 2; 100 } 101 else 102 { 103 name[1] = regno / 10 + '0'; 104 name[2] = regno % 10 + '0'; 105 namelen = 3; 106 } 107 } 108 109 name[namelen++] = '\0'; 110 return namelen; 111 } 112
