1 /* Object attribute tags for ARM. 2 Copyright (C) 2009 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 arm_ 37 #include "libebl_CPU.h" 38 39 #define KNOWN_VALUES(...) do \ 40 { \ 41 static const char *table[] = { __VA_ARGS__ }; \ 42 if (value < sizeof table / sizeof table[0]) \ 43 *value_name = table[value]; \ 44 } while (0) 45 46 bool 47 arm_check_object_attribute (Ebl *ebl __attribute__ ((unused)), 48 const char *vendor, int tag, uint64_t value, 49 const char **tag_name, const char **value_name) 50 { 51 if (!strcmp (vendor, "aeabi")) 52 switch (tag) 53 { 54 case 4: 55 *tag_name = "CPU_raw_name"; 56 return true; 57 case 5: 58 *tag_name = "CPU_name"; 59 return true; 60 case 6: 61 *tag_name = "CPU_arch"; 62 KNOWN_VALUES ("Pre-v4", 63 "v4", 64 "v4T", 65 "v5T", 66 "v5TE", 67 "v5TEJ", 68 "v6", 69 "v6KZ", 70 "v6T2", 71 "v6K", 72 "v7", 73 "v6-M", 74 "v6S-M"); 75 return true; 76 case 7: 77 *tag_name = "CPU_arch_profile"; 78 switch (value) 79 { 80 case 'A': 81 *value_name = "Application"; 82 break; 83 case 'R': 84 *value_name = "Realtime"; 85 break; 86 case 'M': 87 *value_name = "Microcontroller"; 88 break; 89 } 90 return true; 91 case 8: 92 *tag_name = "ARM_ISA_use"; 93 KNOWN_VALUES ("No", "Yes"); 94 return true; 95 case 9: 96 *tag_name = "THUMB_ISA_use"; 97 KNOWN_VALUES ("No", "Thumb-1", "Thumb-2"); 98 return true; 99 case 10: 100 *tag_name = "VFP_arch"; 101 KNOWN_VALUES ("No", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16"); 102 return true; 103 case 11: 104 *tag_name = "WMMX_arch"; 105 KNOWN_VALUES ("No", "WMMXv1", "WMMXv2"); 106 return true; 107 case 12: 108 *tag_name = "Advanced_SIMD_arch"; 109 KNOWN_VALUES ("No", "NEONv1"); 110 return true; 111 case 13: 112 *tag_name = "PCS_config"; 113 KNOWN_VALUES ("None", 114 "Bare platform", 115 "Linux application", 116 "Linux DSO", 117 "PalmOS 2004", 118 "PalmOS (reserved)", 119 "SymbianOS 2004", 120 "SymbianOS (reserved)"); 121 return true; 122 case 14: 123 *tag_name = "ABI_PCS_R9_use"; 124 KNOWN_VALUES ("V6", "SB", "TLS", "Unused"); 125 return true; 126 case 15: 127 *tag_name = "ABI_PCS_RW_data"; 128 KNOWN_VALUES ("Absolute", "PC-relative", "SB-relative", "None"); 129 return true; 130 case 16: 131 *tag_name = "ABI_PCS_RO_data"; 132 KNOWN_VALUES ("Absolute", "PC-relative", "None"); 133 return true; 134 case 17: 135 *tag_name = "ABI_PCS_GOT_use"; 136 KNOWN_VALUES ("None", "direct", "GOT-indirect"); 137 return true; 138 case 18: 139 *tag_name = "ABI_PCS_wchar_t"; 140 return true; 141 case 19: 142 *tag_name = "ABI_FP_rounding"; 143 KNOWN_VALUES ("Unused", "Needed"); 144 return true; 145 case 20: 146 *tag_name = "ABI_FP_denormal"; 147 KNOWN_VALUES ("Unused", "Needed", "Sign only"); 148 return true; 149 case 21: 150 *tag_name = "ABI_FP_exceptions"; 151 KNOWN_VALUES ("Unused", "Needed"); 152 return true; 153 case 22: 154 *tag_name = "ABI_FP_user_exceptions"; 155 KNOWN_VALUES ("Unused", "Needed"); 156 return true; 157 case 23: 158 *tag_name = "ABI_FP_number_model"; 159 KNOWN_VALUES ("Unused", "Finite", "RTABI", "IEEE 754"); 160 return true; 161 case 24: 162 *tag_name = "ABI_align8_needed"; 163 KNOWN_VALUES ("No", "Yes", "4-byte"); 164 return true; 165 case 25: 166 *tag_name = "ABI_align8_preserved"; 167 KNOWN_VALUES ("No", "Yes, except leaf SP", "Yes"); 168 return true; 169 case 26: 170 *tag_name = "ABI_enum_size"; 171 KNOWN_VALUES ("Unused", "small", "int", "forced to int"); 172 return true; 173 case 27: 174 *tag_name = "ABI_HardFP_use"; 175 KNOWN_VALUES ("as VFP_arch", "SP only", "DP only", "SP and DP"); 176 return true; 177 case 28: 178 *tag_name = "ABI_VFP_args"; 179 KNOWN_VALUES ("AAPCS", "VFP registers", "custom"); 180 return true; 181 case 29: 182 *tag_name = "ABI_WMMX_args"; 183 KNOWN_VALUES ("AAPCS", "WMMX registers", "custom"); 184 return true; 185 case 30: 186 *tag_name = "ABI_optimization_goals"; 187 KNOWN_VALUES ("None", 188 "Prefer Speed", 189 "Aggressive Speed", 190 "Prefer Size", 191 "Aggressive Size", 192 "Prefer Debug", 193 "Aggressive Debug"); 194 return true; 195 case 31: 196 *tag_name = "ABI_FP_optimization_goals"; 197 KNOWN_VALUES ("None", 198 "Prefer Speed", 199 "Aggressive Speed", 200 "Prefer Size", 201 "Aggressive Size", 202 "Prefer Accuracy", 203 "Aggressive Accuracy"); 204 return true; 205 case 34: 206 *tag_name = "CPU_unaligned_access"; 207 KNOWN_VALUES ("None", "v6"); 208 return true; 209 case 36: 210 *tag_name = "VFP_HP_extension"; 211 KNOWN_VALUES ("Not Allowed", "Allowed"); 212 return true; 213 case 38: 214 *tag_name = "ABI_FP_16bit_format"; 215 KNOWN_VALUES ("None", "IEEE 754", "Alternative Format"); 216 return true; 217 case 64: 218 *tag_name = "nodefaults"; 219 return true; 220 case 65: 221 *tag_name = "also_compatible_with"; 222 return true; 223 case 66: 224 *tag_name = "T2EE_use"; 225 KNOWN_VALUES ("Not Allowed", "Allowed"); 226 return true; 227 case 67: 228 *tag_name = "conformance"; 229 return true; 230 case 68: 231 *tag_name = "Virtualization_use"; 232 KNOWN_VALUES ("Not Allowed", "Allowed"); 233 return true; 234 case 70: 235 *tag_name = "MPextension_use"; 236 KNOWN_VALUES ("Not Allowed", "Allowed"); 237 return true; 238 } 239 240 return false; 241 } 242
