Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 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 | } |