1 /* Object attribute tags for ARM. 2 Copyright (C) 2009 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 arm_ 34 #include "libebl_CPU.h" 35 36 #define KNOWN_VALUES(...) do \ 37 { \ 38 static const char *table[] = { __VA_ARGS__ }; \ 39 if (value < sizeof table / sizeof table[0]) \ 40 *value_name = table[value]; \ 41 } while (0) 42 43 bool 44 arm_check_object_attribute (ebl, vendor, tag, value, tag_name, value_name) 45 Ebl *ebl __attribute__ ((unused)); 46 const char *vendor; 47 int tag; 48 uint64_t value __attribute__ ((unused)); 49 const char **tag_name; 50 const char **value_name; 51 { 52 if (!strcmp (vendor, "aeabi")) 53 switch (tag) 54 { 55 case 4: 56 *tag_name = "CPU_raw_name"; 57 return true; 58 case 5: 59 *tag_name = "CPU_name"; 60 return true; 61 case 6: 62 *tag_name = "CPU_arch"; 63 KNOWN_VALUES ("Pre-v4", 64 "v4", 65 "v4T", 66 "v5T", 67 "v5TE", 68 "v5TEJ", 69 "v6", 70 "v6KZ", 71 "v6T2", 72 "v6K", 73 "v7", 74 "v6-M", 75 "v6S-M"); 76 return true; 77 case 7: 78 *tag_name = "CPU_arch_profile"; 79 switch (value) 80 { 81 case 'A': 82 *value_name = "Application"; 83 break; 84 case 'R': 85 *value_name = "Realtime"; 86 break; 87 case 'M': 88 *value_name = "Microcontroller"; 89 break; 90 } 91 return true; 92 case 8: 93 *tag_name = "ARM_ISA_use"; 94 KNOWN_VALUES ("No", "Yes"); 95 return true; 96 case 9: 97 *tag_name = "THUMB_ISA_use"; 98 KNOWN_VALUES ("No", "Thumb-1", "Thumb-2"); 99 return true; 100 case 10: 101 *tag_name = "VFP_arch"; 102 KNOWN_VALUES ("No", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16"); 103 return true; 104 case 11: 105 *tag_name = "WMMX_arch"; 106 KNOWN_VALUES ("No", "WMMXv1", "WMMXv2"); 107 return true; 108 case 12: 109 *tag_name = "Advanced_SIMD_arch"; 110 KNOWN_VALUES ("No", "NEONv1"); 111 return true; 112 case 13: 113 *tag_name = "PCS_config"; 114 KNOWN_VALUES ("None", 115 "Bare platform", 116 "Linux application", 117 "Linux DSO", 118 "PalmOS 2004", 119 "PalmOS (reserved)", 120 "SymbianOS 2004", 121 "SymbianOS (reserved)"); 122 return true; 123 case 14: 124 *tag_name = "ABI_PCS_R9_use"; 125 KNOWN_VALUES ("V6", "SB", "TLS", "Unused"); 126 return true; 127 case 15: 128 *tag_name = "ABI_PCS_RW_data"; 129 KNOWN_VALUES ("Absolute", "PC-relative", "SB-relative", "None"); 130 return true; 131 case 16: 132 *tag_name = "ABI_PCS_RO_data"; 133 KNOWN_VALUES ("Absolute", "PC-relative", "None"); 134 return true; 135 case 17: 136 *tag_name = "ABI_PCS_GOT_use"; 137 KNOWN_VALUES ("None", "direct", "GOT-indirect"); 138 return true; 139 case 18: 140 *tag_name = "ABI_PCS_wchar_t"; 141 return true; 142 case 19: 143 *tag_name = "ABI_FP_rounding"; 144 KNOWN_VALUES ("Unused", "Needed"); 145 return true; 146 case 20: 147 *tag_name = "ABI_FP_denormal"; 148 KNOWN_VALUES ("Unused", "Needed", "Sign only"); 149 return true; 150 case 21: 151 *tag_name = "ABI_FP_exceptions"; 152 KNOWN_VALUES ("Unused", "Needed"); 153 return true; 154 case 22: 155 *tag_name = "ABI_FP_user_exceptions"; 156 KNOWN_VALUES ("Unused", "Needed"); 157 return true; 158 case 23: 159 *tag_name = "ABI_FP_number_model"; 160 KNOWN_VALUES ("Unused", "Finite", "RTABI", "IEEE 754"); 161 return true; 162 case 24: 163 *tag_name = "ABI_align8_needed"; 164 KNOWN_VALUES ("No", "Yes", "4-byte"); 165 return true; 166 case 25: 167 *tag_name = "ABI_align8_preserved"; 168 KNOWN_VALUES ("No", "Yes, except leaf SP", "Yes"); 169 return true; 170 case 26: 171 *tag_name = "ABI_enum_size"; 172 KNOWN_VALUES ("Unused", "small", "int", "forced to int"); 173 return true; 174 case 27: 175 *tag_name = "ABI_HardFP_use"; 176 KNOWN_VALUES ("as VFP_arch", "SP only", "DP only", "SP and DP"); 177 return true; 178 case 28: 179 *tag_name = "ABI_VFP_args"; 180 KNOWN_VALUES ("AAPCS", "VFP registers", "custom"); 181 return true; 182 case 29: 183 *tag_name = "ABI_WMMX_args"; 184 KNOWN_VALUES ("AAPCS", "WMMX registers", "custom"); 185 return true; 186 case 30: 187 *tag_name = "ABI_optimization_goals"; 188 KNOWN_VALUES ("None", 189 "Prefer Speed", 190 "Aggressive Speed", 191 "Prefer Size", 192 "Aggressive Size", 193 "Prefer Debug", 194 "Aggressive Debug"); 195 return true; 196 case 31: 197 *tag_name = "ABI_FP_optimization_goals"; 198 KNOWN_VALUES ("None", 199 "Prefer Speed", 200 "Aggressive Speed", 201 "Prefer Size", 202 "Aggressive Size", 203 "Prefer Accuracy", 204 "Aggressive Accuracy"); 205 return true; 206 case 34: 207 *tag_name = "CPU_unaligned_access"; 208 KNOWN_VALUES ("None", "v6"); 209 return true; 210 case 36: 211 *tag_name = "VFP_HP_extension"; 212 KNOWN_VALUES ("Not Allowed", "Allowed"); 213 return true; 214 case 38: 215 *tag_name = "ABI_FP_16bit_format"; 216 KNOWN_VALUES ("None", "IEEE 754", "Alternative Format"); 217 return true; 218 case 64: 219 *tag_name = "nodefaults"; 220 return true; 221 case 65: 222 *tag_name = "also_compatible_with"; 223 return true; 224 case 66: 225 *tag_name = "T2EE_use"; 226 KNOWN_VALUES ("Not Allowed", "Allowed"); 227 return true; 228 case 67: 229 *tag_name = "conformance"; 230 return true; 231 case 68: 232 *tag_name = "Virtualization_use"; 233 KNOWN_VALUES ("Not Allowed", "Allowed"); 234 return true; 235 case 70: 236 *tag_name = "MPextension_use"; 237 KNOWN_VALUES ("Not Allowed", "Allowed"); 238 return true; 239 } 240 241 return false; 242 } 243
