| 1 | /* xSYM symbol-file support for BFD. |
| 2 | Copyright (C) 1999-2015 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | #include "sysdep.h" |
| 22 | #include "bfd.h" |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | #ifndef __xSYM_H__ |
| 26 | #define __xSYM_H__ |
| 27 | |
| 28 | #define BFD_SYM_VERSION_STR_3_1 "\013Version 3.1" |
| 29 | #define BFD_SYM_VERSION_STR_3_2 "\013Version 3.2" |
| 30 | #define BFD_SYM_VERSION_STR_3_3 "\013Version 3.3" |
| 31 | #define BFD_SYM_VERSION_STR_3_4 "\013Version 3.4" |
| 32 | #define BFD_SYM_VERSION_STR_3_5 "\013Version 3.5" |
| 33 | #define BFD_SYM_END_OF_LIST_3_2 0xffff |
| 34 | #define BFD_SYM_END_OF_LIST_3_4 0xffffffff |
| 35 | #define BFD_SYM_END_OF_LIST BFD_SYM_END_OF_LIST_3_4 |
| 36 | #define BFD_SYM_FILE_NAME_INDEX_3_2 0xfffe |
| 37 | #define BFD_SYM_FILE_NAME_INDEX_3_4 0xfffffffe |
| 38 | #define BFD_SYM_FILE_NAME_INDEX BFD_SYM_FILE_NAME_INDEX_3_4 |
| 39 | #define BFD_SYM_SOURCE_FILE_CHANGE_3_2 0xfffe |
| 40 | #define BFD_SYM_SOURCE_FILE_CHANGE_3_4 0xfffffffe |
| 41 | #define BFD_SYM_SOURCE_FILE_CHANGE BFD_SYM_SOURCE_FILE_CHANGE_3_4 |
| 42 | #define BFD_SYM_MAXIMUM_LEGAL_INDEX_3_2 0xfffd |
| 43 | #define BFD_SYM_MAXIMUM_LEGAL_INDEX_3_4 0xfffffffd |
| 44 | #define BFD_SYM_MAXIMUM_LEGAL_INDEX BFD_SYM_MAXIMUM_LEGAL_INDEX_3_4 |
| 45 | |
| 46 | enum bfd_sym_storage_class |
| 47 | { |
| 48 | BFD_SYM_STORAGE_CLASS_REGISTER = 0, |
| 49 | BFD_SYM_STORAGE_CLASS_GLOBAL = 1, |
| 50 | BFD_SYM_STORAGE_CLASS_FRAME_RELATIVE = 2, |
| 51 | BFD_SYM_STORAGE_CLASS_STACK_RELATIVE = 3, |
| 52 | BFD_SYM_STORAGE_CLASS_ABSOLUTE = 4, |
| 53 | BFD_SYM_STORAGE_CLASS_CONSTANT = 5, |
| 54 | BFD_SYM_STORAGE_CLASS_BIGCONSTANT = 6, |
| 55 | BFD_SYM_STORAGE_CLASS_RESOURCE = 99 |
| 56 | }; |
| 57 | typedef enum bfd_sym_storage_class bfd_sym_storage_class; |
| 58 | |
| 59 | enum bfd_sym_storage_kind |
| 60 | { |
| 61 | BFD_SYM_STORAGE_KIND_LOCAL = 0, |
| 62 | BFD_SYM_STORAGE_KIND_VALUE = 1, |
| 63 | BFD_SYM_STORAGE_KIND_REFERENCE = 2, |
| 64 | BFD_SYM_STORAGE_KIND_WITH = 3 |
| 65 | }; |
| 66 | typedef enum bfd_sym_storage_kind bfd_sym_storage_kind; |
| 67 | |
| 68 | enum bfd_sym_version |
| 69 | { |
| 70 | BFD_SYM_VERSION_3_1, |
| 71 | BFD_SYM_VERSION_3_2, |
| 72 | BFD_SYM_VERSION_3_3, |
| 73 | BFD_SYM_VERSION_3_4, |
| 74 | BFD_SYM_VERSION_3_5 |
| 75 | }; |
| 76 | typedef enum bfd_sym_version bfd_sym_version; |
| 77 | |
| 78 | enum bfd_sym_module_kind |
| 79 | { |
| 80 | BFD_SYM_MODULE_KIND_NONE = 0, |
| 81 | BFD_SYM_MODULE_KIND_PROGRAM = 1, |
| 82 | BFD_SYM_MODULE_KIND_UNIT = 2, |
| 83 | BFD_SYM_MODULE_KIND_PROCEDURE = 3, |
| 84 | BFD_SYM_MODULE_KIND_FUNCTION = 4, |
| 85 | BFD_SYM_MODULE_KIND_DATA = 5, |
| 86 | BFD_SYM_MODULE_KIND_BLOCK = 6 |
| 87 | }; |
| 88 | typedef enum bfd_sym_module_kind bfd_sym_module_kind; |
| 89 | |
| 90 | enum bfd_sym_symbol_scope |
| 91 | { |
| 92 | BFD_SYM_SYMBOL_SCOPE_LOCAL = 0, /* Object is seen only inside current scope. */ |
| 93 | BFD_SYM_SYMBOL_SCOPE_GLOBAL = 1 /* Object has global scope. */ |
| 94 | }; |
| 95 | typedef enum bfd_sym_symbol_scope bfd_sym_symbol_scope; |
| 96 | |
| 97 | struct bfd_sym_file_reference |
| 98 | { |
| 99 | unsigned long fref_frte_index; /* File reference table index. */ |
| 100 | unsigned long fref_offset; /* Absolute offset into source file. */ |
| 101 | }; |
| 102 | typedef struct bfd_sym_file_reference bfd_sym_file_reference; |
| 103 | |
| 104 | /* NAME TABLE (NTE). */ |
| 105 | |
| 106 | /* RESOURCES TABLE (RTE) |
| 107 | |
| 108 | All code and data is *defined* to reside in a resource. Even A5 |
| 109 | relative data is defined to reside in a dummy resource of ResType |
| 110 | 'gbld'. Code always resides in a resource. Because a code/data |
| 111 | is built of many modules, when walking through a resource we must |
| 112 | point back to the modules in the order they were defined. This is |
| 113 | done by requiring the entries in the Modules Entry table to be |
| 114 | ordered by resource/resource-number and by the location in that |
| 115 | resource. Hence, the resource table entry points to the first |
| 116 | module making up that resource. All modules table entries following |
| 117 | that first one with the same restype/resnum are contiguous and offset |
| 118 | from that first entry. */ |
| 119 | |
| 120 | struct bfd_sym_resources_table_entry |
| 121 | { |
| 122 | unsigned char rte_res_type[4]; /* Resource Type. */ |
| 123 | unsigned short rte_res_number; /* Resource Number. */ |
| 124 | unsigned long rte_nte_index; /* Name of the resource. */ |
| 125 | unsigned long rte_mte_first; /* Index of first module in the resource. */ |
| 126 | unsigned long rte_mte_last; /* Index of the last module in the resource. */ |
| 127 | unsigned long rte_res_size; /* Size of the resource. */ |
| 128 | }; |
| 129 | typedef struct bfd_sym_resources_table_entry bfd_sym_resources_table_entry; |
| 130 | |
| 131 | /* MODULES TABLE (MTE) |
| 132 | |
| 133 | Modules table entries are ordered by their appearance in a resource. |
| 134 | (Note that having a single module copied into two resources is not |
| 135 | possible). Modules map back to their resource via an index into the |
| 136 | resource table and an offset into the resource. Modules also point |
| 137 | to their source files, both the definition module and implementation |
| 138 | module. Because modules can be textually nested within other |
| 139 | modules, a link to the parent (containing) module is required. This |
| 140 | module can textually contain other modules. A link to the contiguous |
| 141 | list of child (contained) modules is required. Variables, statements, |
| 142 | and types defined in the module are pointed to by indexing the head of |
| 143 | the contiguous lists of contained variables, contained statements, |
| 144 | and contained types. */ |
| 145 | |
| 146 | struct bfd_sym_modules_table_entry |
| 147 | { |
| 148 | unsigned long mte_rte_index; /* Which resource it is in. */ |
| 149 | unsigned long mte_res_offset; /* Offset into the resource. */ |
| 150 | unsigned long mte_size; /* Size of module. */ |
| 151 | char mte_kind; /* What kind of module this is. */ |
| 152 | char mte_scope; /* How visible is it? */ |
| 153 | unsigned long mte_parent; /* Containing module. */ |
| 154 | bfd_sym_file_reference mte_imp_fref; /* Implementation source. */ |
| 155 | unsigned long mte_imp_end; /* End of implementation source. */ |
| 156 | unsigned long mte_nte_index; /* The name of the module. */ |
| 157 | unsigned long mte_cmte_index; /* Modules contained in this. */ |
| 158 | unsigned long mte_cvte_index; /* Variables contained in this. */ |
| 159 | unsigned long mte_clte_index; /* Local labels defined here. */ |
| 160 | unsigned long mte_ctte_index; /* Types contained in this. */ |
| 161 | unsigned long mte_csnte_idx_1; /* CSNTE index of mte_snbr_first. */ |
| 162 | unsigned long mte_csnte_idx_2; /* CSNTE index of mte_snbr_last. */ |
| 163 | }; |
| 164 | typedef struct bfd_sym_modules_table_entry bfd_sym_modules_table_entry; |
| 165 | |
| 166 | /* FILE REFERENCES TABLE (FRTE) |
| 167 | |
| 168 | The FILE REFERENCES TABLE maps from source file to module & offset. |
| 169 | The table is ordered by increasing file offset. Each new offset |
| 170 | references a module. |
| 171 | |
| 172 | FRT = FILE_SOURCE_START |
| 173 | FILE_SOURCE_INCREMENT* |
| 174 | END_OF_LIST. |
| 175 | |
| 176 | *** THIS MECHANISM IS VERY SLOW FOR FILE+STATEMENT_NUMBER TO |
| 177 | *** MODULE/CODE ADDRESS OPERATIONS. ANOTHER MECHANISM IS |
| 178 | *** REQUIRED!! */ |
| 179 | |
| 180 | union bfd_sym_file_references_table_entry |
| 181 | { |
| 182 | struct |
| 183 | { |
| 184 | /* END_OF_LIST, FILE_NAME_INDEX, or module table entry. */ |
| 185 | unsigned long type; |
| 186 | } |
| 187 | generic; |
| 188 | |
| 189 | struct |
| 190 | { |
| 191 | /* FILE_NAME_INDEX. */ |
| 192 | unsigned long type; |
| 193 | unsigned long nte_index; |
| 194 | unsigned long mod_date; |
| 195 | } |
| 196 | filename; |
| 197 | |
| 198 | struct |
| 199 | { |
| 200 | /* < FILE_NAME_INDEX. */ |
| 201 | unsigned long mte_index; |
| 202 | unsigned long file_offset; |
| 203 | } |
| 204 | entry; |
| 205 | }; |
| 206 | typedef union bfd_sym_file_references_table_entry bfd_sym_file_references_table_entry; |
| 207 | |
| 208 | /* CONTAINED MODULES TABLE (CMTE) |
| 209 | |
| 210 | Contained Modules are lists of indices into the modules table. The |
| 211 | lists are terminated by an END_OF_LIST index. All entries are of the |
| 212 | same size, hence mapping an index into a CMTE list is simple. |
| 213 | |
| 214 | CMT = MTE_INDEX* END_OF_LIST. */ |
| 215 | |
| 216 | union bfd_sym_contained_modules_table_entry |
| 217 | { |
| 218 | struct |
| 219 | { |
| 220 | /* END_OF_LIST, index. */ |
| 221 | unsigned long type; |
| 222 | } |
| 223 | generic; |
| 224 | |
| 225 | struct |
| 226 | { |
| 227 | unsigned long mte_index; /* Index into the Modules Table. */ |
| 228 | unsigned long nte_index; /* The name of the module. */ |
| 229 | } |
| 230 | entry; |
| 231 | }; |
| 232 | typedef union bfd_sym_contained_modules_table_entry bfd_sym_contained_modules_table_entry; |
| 233 | |
| 234 | /* CONTAINED VARIABLES TABLE (CVTE) |
| 235 | |
| 236 | Contained Variables map into the module table, file table, name table, and type |
| 237 | table. Contained Variables are a contiguous list of source file change record, |
| 238 | giving the name of and offset into the source file corresponding to all variables |
| 239 | following. Variable definition records contain an index into the name table (giving |
| 240 | the text of the variable as it appears in the source code), an index into the type |
| 241 | table giving the type of the variable, an increment added to the source file |
| 242 | offset giving the start of the implementation of the variable, and a storage |
| 243 | class address, giving information on variable's runtime address. |
| 244 | |
| 245 | CVT = SOURCE_FILE_CHANGE SYMBOL_INFO* END_OF_LIST. |
| 246 | SYMBOL_INFO = SYMBOL_DEFINITION | SOURCE_FILE_CHANGE . |
| 247 | |
| 248 | All entries are of the same size, making the fetching of data simple. The |
| 249 | variable entries in the list are in ALPHABETICAL ORDER to simplify the display of |
| 250 | available variables for several of the debugger's windows. */ |
| 251 | |
| 252 | /* 'la_size' determines the variant used below: |
| 253 | |
| 254 | == BFD_SYM_CVTE_SCA |
| 255 | Traditional STORAGE_CLASS_ADDRESS; |
| 256 | |
| 257 | <= BFD_SYM_CVTE_LA_MAX_SIZE |
| 258 | That many logical address bytes ("in-situ"); |
| 259 | |
| 260 | == BFD_SYM_CVTE_BIG_LA |
| 261 | Logical address bytes in constant pool, at offset 'big_la'. */ |
| 262 | |
| 263 | #define BFD_SYM_CVTE_SCA 0 /* Indicate SCA variant of CVTE. */ |
| 264 | #define BFD_SYM_CVTE_LA_MAX_SIZE 13 /* Max# of logical address bytes in a CVTE. */ |
| 265 | #define BFD_SYM_CVTE_BIG_LA 127 /* Indicates LA redirection to constant pool. */ |
| 266 | |
| 267 | union bfd_sym_contained_variables_table_entry |
| 268 | { |
| 269 | struct |
| 270 | { |
| 271 | /* END_OF_LIST, SOURCE_FILE_CHANGE, or type table entry. */ |
| 272 | unsigned long type; |
| 273 | } |
| 274 | generic; |
| 275 | |
| 276 | struct |
| 277 | { |
| 278 | /* SOURCE_FILE_CHANGE. */ |
| 279 | unsigned long type; |
| 280 | bfd_sym_file_reference fref; |
| 281 | } |
| 282 | file; |
| 283 | |
| 284 | struct |
| 285 | { |
| 286 | /* < SOURCE_FILE_CHANGE. */ |
| 287 | unsigned long tte_index; |
| 288 | unsigned long nte_index; |
| 289 | unsigned long file_delta; /* Increment from previous source. */ |
| 290 | unsigned char scope; |
| 291 | unsigned char la_size; /* #bytes of LAs below. */ |
| 292 | |
| 293 | union |
| 294 | { |
| 295 | /* la_size == BFD_SYM_CVTE_SCA. */ |
| 296 | struct |
| 297 | { |
| 298 | unsigned char sca_kind; /* Distinguish local from value/var formal. */ |
| 299 | unsigned char sca_class; /* The storage class itself. */ |
| 300 | unsigned long sca_offset; |
| 301 | } |
| 302 | scstruct; |
| 303 | |
| 304 | /* la_size <= BFD_SYM_CVTE_LA_MAX_SIZE. */ |
| 305 | struct { |
| 306 | unsigned char la[BFD_SYM_CVTE_LA_MAX_SIZE]; /* Logical address bytes. */ |
| 307 | unsigned char la_kind; /* Eqv. cvte_location.sca_kind. */ |
| 308 | } |
| 309 | lastruct; |
| 310 | |
| 311 | /* la_size == BFD_SYM_CVTE_BIG_LA 127. */ |
| 312 | struct |
| 313 | { |
| 314 | unsigned long big_la; /* Logical address bytes in constant pool. */ |
| 315 | unsigned char big_la_kind; /* Eqv. cvte_location.sca_kind. */ |
| 316 | } |
| 317 | biglastruct; |
| 318 | } |
| 319 | address; |
| 320 | } |
| 321 | entry; |
| 322 | }; |
| 323 | typedef union bfd_sym_contained_variables_table_entry bfd_sym_contained_variables_table_entry; |
| 324 | |
| 325 | /* CONTAINED STATEMENTS TABLE (CSNTE) |
| 326 | |
| 327 | Contained Statements table. This table is similar to the Contained |
| 328 | Variables table except that instead of VARIABLE_DEFINITION entries, this |
| 329 | module contains STATEMENT_NUMBER_DEFINITION entries. A statement number |
| 330 | definition points back to the containing module (via an index into |
| 331 | the module entry table) and contains the file and resource deltas |
| 332 | to add to the previous values to get to this statement. |
| 333 | All entries are of the same size, making the fetching of data simple. The |
| 334 | entries in the table are in order of increasing statement number within the |
| 335 | source file. |
| 336 | |
| 337 | The Contained Statements table is indexed from two places. An MTE contains |
| 338 | an index to the first statement number within the module. An FRTE contains |
| 339 | an index to the first statement in the table (Possibly. This is slow.) Or |
| 340 | a table of fast statement number to CSNTE entry mappings indexes into the |
| 341 | table. Choice not yet made. */ |
| 342 | |
| 343 | union bfd_sym_contained_statements_table_entry |
| 344 | { |
| 345 | struct |
| 346 | { |
| 347 | /* END_OF_LIST, SOURCE_FILE_CHANGE, or statement table entry. */ |
| 348 | unsigned long type; |
| 349 | } |
| 350 | generic; |
| 351 | |
| 352 | struct |
| 353 | { |
| 354 | /* SOURCE_FILE_CHANGE. */ |
| 355 | unsigned long type; |
| 356 | bfd_sym_file_reference fref; /* File name table. */ |
| 357 | } |
| 358 | file; |
| 359 | |
| 360 | struct |
| 361 | { |
| 362 | unsigned long mte_index; /* Which module contains it. */ |
| 363 | unsigned long file_delta; /* Where it is defined. */ |
| 364 | unsigned long mte_offset; /* Where it is in the module. */ |
| 365 | } |
| 366 | entry; |
| 367 | }; |
| 368 | typedef union bfd_sym_contained_statements_table_entry bfd_sym_contained_statements_table_entry; |
| 369 | |
| 370 | /* CONTAINED LABELS TABLE (CLTE) |
| 371 | |
| 372 | Contained Labels table names those labels local to the module. It is similar |
| 373 | to the Contained Statements table. */ |
| 374 | |
| 375 | union bfd_sym_contained_labels_table_entry |
| 376 | { |
| 377 | struct |
| 378 | { |
| 379 | /* END_OF_LIST, SOURCE_FILE_CHANGE, index. */ |
| 380 | unsigned long type; |
| 381 | } |
| 382 | generic; |
| 383 | |
| 384 | struct |
| 385 | { |
| 386 | /* SOURCE_FILE_CHANGE. */ |
| 387 | unsigned long type; |
| 388 | bfd_sym_file_reference fref; |
| 389 | } |
| 390 | file; |
| 391 | |
| 392 | struct |
| 393 | { |
| 394 | /* < SOURCE_FILE_CHANGE. */ |
| 395 | unsigned long mte_index; /* Which module contains us. */ |
| 396 | unsigned long mte_offset; /* Where it is in the module. */ |
| 397 | unsigned long nte_index; /* The name of the label. */ |
| 398 | unsigned long file_delta; /* Where it is defined. */ |
| 399 | unsigned short scope; /* How visible the label is. */ |
| 400 | } |
| 401 | entry; |
| 402 | }; |
| 403 | typedef union bfd_sym_contained_labels_table_entry bfd_sym_contained_labels_table_entry; |
| 404 | |
| 405 | /* CONTAINED TYPES TABLE (CTTE) |
| 406 | |
| 407 | Contained Types define the named types that are in the module. It is used to |
| 408 | map name indices into type indices. The type entries in the table are in |
| 409 | alphabetical order by type name. */ |
| 410 | |
| 411 | union bfd_sym_contained_types_table_entry |
| 412 | { |
| 413 | struct |
| 414 | { |
| 415 | /* END_OF_LIST, SOURCE_FILE_CHANGE, or type table entry. */ |
| 416 | unsigned long type; |
| 417 | } |
| 418 | generic; |
| 419 | |
| 420 | struct |
| 421 | { |
| 422 | /* SOURCE_FILE_CHANGE. */ |
| 423 | unsigned long type; |
| 424 | bfd_sym_file_reference fref; |
| 425 | } |
| 426 | file; |
| 427 | |
| 428 | struct |
| 429 | { |
| 430 | /* < SOURCE_FILE_CHANGE. */ |
| 431 | unsigned long tte_index; |
| 432 | unsigned long nte_index; |
| 433 | unsigned long file_delta; /* From last file definition. */ |
| 434 | } |
| 435 | entry; |
| 436 | }; |
| 437 | typedef union bfd_sym_contained_types_table_entry bfd_sym_contained_types_table_entry; |
| 438 | |
| 439 | /* TYPE TABLE (TTE). */ |
| 440 | |
| 441 | typedef unsigned long bfd_sym_type_table_entry; |
| 442 | |
| 443 | /* TYPE INFORMATION TABLE (TINFO). */ |
| 444 | |
| 445 | struct bfd_sym_type_information_table_entry |
| 446 | { |
| 447 | unsigned long nte_index; |
| 448 | unsigned long physical_size; |
| 449 | unsigned long logical_size; |
| 450 | unsigned long offset; |
| 451 | }; |
| 452 | typedef struct bfd_sym_type_information_table_entry bfd_sym_type_information_table_entry; |
| 453 | |
| 454 | /* FILE REFERENCES INDEX TABLE (FITE) |
| 455 | |
| 456 | The FRTE INDEX TABLE indexes into the FILE REFERENCE TABLE above. The FRTE |
| 457 | at that index is the FILE_SOURCE_START for a series of files. The FRTEs are |
| 458 | indexed from 1. The list is terminated with an END_OF_LIST. */ |
| 459 | |
| 460 | union bfd_sym_file_references_index_table_entry |
| 461 | { |
| 462 | struct |
| 463 | { |
| 464 | unsigned long type; |
| 465 | } |
| 466 | generic; |
| 467 | |
| 468 | struct |
| 469 | { |
| 470 | unsigned long frte_index; /* Index into the FRTE table. */ |
| 471 | unsigned long nte_index; /* Name table index, gives filename. */ |
| 472 | } |
| 473 | entry; |
| 474 | }; |
| 475 | typedef union bfd_sym_file_references_index_table_entry bfd_sym_file_references_index_table_entry; |
| 476 | |
| 477 | /* CONSTANT POOL (CONST) |
| 478 | |
| 479 | The CONSTANT_POOL consists of entries that start on word boundaries. The entries |
| 480 | are referenced by byte index into the constant pool, not by record number. |
| 481 | |
| 482 | Each entry takes the form: |
| 483 | |
| 484 | <16-bit size> |
| 485 | <that many bytes of stuff> |
| 486 | |
| 487 | Entries do not cross page boundaries. */ |
| 488 | |
| 489 | typedef short bfd_sym_constant_pool_entry; |
| 490 | |
| 491 | /* The DISK_SYMBOL_HEADER_BLOCK is the first record in a .SYM file, |
| 492 | defining the physical characteristics of the symbolic information. |
| 493 | The remainder of the * .SYM file is stored in fixed block |
| 494 | allocations. For the purposes of paging, the * file is considered |
| 495 | to be an array of dshb_page_size blocks, with block 0 (and * |
| 496 | possibly more) devoted to the DISK_SYMBOL_HEADER_BLOCK. |
| 497 | |
| 498 | The dti_object_count field means that the allowed indices for that |
| 499 | type of object are 0 .. dti_object_count. An index of 0, although |
| 500 | allowed, is never done. However, an 0th entry is created in the |
| 501 | table. That entry is filled with all zeroes. The reason for this |
| 502 | is to avoid off-by-one programming errors that would otherwise |
| 503 | occur: an index of k *MEANS* k, not k-1 when going to the disk |
| 504 | table. */ |
| 505 | |
| 506 | struct bfd_sym_table_info |
| 507 | { |
| 508 | unsigned long dti_first_page; /* First page for this table. */ |
| 509 | unsigned long dti_page_count; /* Number of pages for the table. */ |
| 510 | unsigned long dti_object_count; /* Number of objects in the table. */ |
| 511 | }; |
| 512 | typedef struct bfd_sym_table_info bfd_sym_table_info; |
| 513 | |
| 514 | struct bfd_sym_header_block |
| 515 | { |
| 516 | unsigned char dshb_id[32]; /* Version information. */ |
| 517 | unsigned short dshb_page_size; /* Size of the pages/blocks. */ |
| 518 | unsigned long dshb_hash_page; /* Disk page for the hash table. */ |
| 519 | unsigned long dshb_root_mte; /* MTE index of the program root. */ |
| 520 | unsigned long dshb_mod_date; /* modification date of executable. */ |
| 521 | bfd_sym_table_info dshb_frte; /* Per TABLE information. */ |
| 522 | bfd_sym_table_info dshb_rte; |
| 523 | bfd_sym_table_info dshb_mte; |
| 524 | bfd_sym_table_info dshb_cmte; |
| 525 | bfd_sym_table_info dshb_cvte; |
| 526 | bfd_sym_table_info dshb_csnte; |
| 527 | bfd_sym_table_info dshb_clte; |
| 528 | bfd_sym_table_info dshb_ctte; |
| 529 | bfd_sym_table_info dshb_tte; |
| 530 | bfd_sym_table_info dshb_nte; |
| 531 | bfd_sym_table_info dshb_tinfo; |
| 532 | bfd_sym_table_info dshb_fite; /* File information. */ |
| 533 | bfd_sym_table_info dshb_const; /* Constant pool. */ |
| 534 | |
| 535 | unsigned char dshb_file_creator[4]; /* Executable's creator. */ |
| 536 | unsigned char dshb_file_type[4]; /* Executable's file type. */ |
| 537 | }; |
| 538 | typedef struct bfd_sym_header_block bfd_sym_header_block; |
| 539 | |
| 540 | struct bfd_sym_data_struct |
| 541 | { |
| 542 | unsigned char *name_table; |
| 543 | bfd_sym_header_block header; |
| 544 | bfd_sym_version version; |
| 545 | bfd *sbfd; |
| 546 | }; |
| 547 | typedef struct bfd_sym_data_struct bfd_sym_data_struct; |
| 548 | |
| 549 | extern bfd_boolean bfd_sym_mkobject |
| 550 | (bfd *); |
| 551 | extern void bfd_sym_print_symbol |
| 552 | (bfd *, void *, asymbol *, bfd_print_symbol_type); |
| 553 | extern bfd_boolean bfd_sym_valid |
| 554 | (bfd *); |
| 555 | extern unsigned char * bfd_sym_read_name_table |
| 556 | (bfd *, bfd_sym_header_block *); |
| 557 | extern void bfd_sym_parse_file_reference_v32 |
| 558 | (unsigned char *, size_t, bfd_sym_file_reference *); |
| 559 | extern void bfd_sym_parse_disk_table_v32 |
| 560 | (unsigned char *, size_t, bfd_sym_table_info *); |
| 561 | extern void bfd_sym_parse_header_v32 |
| 562 | (unsigned char *, size_t, bfd_sym_header_block *); |
| 563 | extern int bfd_sym_read_header_v32 |
| 564 | (bfd *, bfd_sym_header_block *); |
| 565 | extern int bfd_sym_read_header_v34 |
| 566 | (bfd *, bfd_sym_header_block *); |
| 567 | extern int bfd_sym_read_header |
| 568 | (bfd *, bfd_sym_header_block *, bfd_sym_version); |
| 569 | extern int bfd_sym_read_version |
| 570 | (bfd *, bfd_sym_version *); |
| 571 | extern void bfd_sym_display_table_summary |
| 572 | (FILE *, bfd_sym_table_info *, const char *); |
| 573 | extern void bfd_sym_display_header |
| 574 | (FILE *, bfd_sym_header_block *); |
| 575 | extern void bfd_sym_parse_resources_table_entry_v32 |
| 576 | (unsigned char *, size_t, bfd_sym_resources_table_entry *); |
| 577 | extern void bfd_sym_parse_modules_table_entry_v33 |
| 578 | (unsigned char *, size_t, bfd_sym_modules_table_entry *); |
| 579 | extern void bfd_sym_parse_file_references_table_entry_v32 |
| 580 | (unsigned char *, size_t, bfd_sym_file_references_table_entry *); |
| 581 | extern void bfd_sym_parse_contained_modules_table_entry_v32 |
| 582 | (unsigned char *, size_t, bfd_sym_contained_modules_table_entry *); |
| 583 | extern void bfd_sym_parse_contained_variables_table_entry_v32 |
| 584 | (unsigned char *, size_t, bfd_sym_contained_variables_table_entry *); |
| 585 | extern void bfd_sym_parse_contained_statements_table_entry_v32 |
| 586 | (unsigned char *, size_t, bfd_sym_contained_statements_table_entry *); |
| 587 | extern void bfd_sym_parse_contained_labels_table_entry_v32 |
| 588 | (unsigned char *, size_t, bfd_sym_contained_labels_table_entry *); |
| 589 | extern void bfd_sym_parse_type_table_entry_v32 |
| 590 | (unsigned char *, size_t, bfd_sym_type_table_entry *); |
| 591 | extern int bfd_sym_fetch_resources_table_entry |
| 592 | (bfd *, bfd_sym_resources_table_entry *, unsigned long); |
| 593 | extern int bfd_sym_fetch_modules_table_entry |
| 594 | (bfd *, bfd_sym_modules_table_entry *, unsigned long); |
| 595 | extern int bfd_sym_fetch_file_references_table_entry |
| 596 | (bfd *, bfd_sym_file_references_table_entry *, unsigned long); |
| 597 | extern int bfd_sym_fetch_contained_modules_table_entry |
| 598 | (bfd *, bfd_sym_contained_modules_table_entry *, unsigned long); |
| 599 | extern int bfd_sym_fetch_contained_variables_table_entry |
| 600 | (bfd *, bfd_sym_contained_variables_table_entry *, unsigned long); |
| 601 | extern int bfd_sym_fetch_contained_statements_table_entry |
| 602 | (bfd *, bfd_sym_contained_statements_table_entry *, unsigned long); |
| 603 | extern int bfd_sym_fetch_contained_labels_table_entry |
| 604 | (bfd *, bfd_sym_contained_labels_table_entry *, unsigned long); |
| 605 | extern int bfd_sym_fetch_contained_types_table_entry |
| 606 | (bfd *, bfd_sym_contained_types_table_entry *, unsigned long); |
| 607 | extern int bfd_sym_fetch_file_references_index_table_entry |
| 608 | (bfd *, bfd_sym_file_references_index_table_entry *, unsigned long); |
| 609 | extern int bfd_sym_fetch_constant_pool_entry |
| 610 | (bfd *, bfd_sym_constant_pool_entry *, unsigned long); |
| 611 | extern int bfd_sym_fetch_type_table_entry |
| 612 | (bfd *, bfd_sym_type_table_entry *, unsigned long); |
| 613 | extern int bfd_sym_fetch_type_information_table_entry |
| 614 | (bfd *, bfd_sym_type_information_table_entry *, unsigned long); |
| 615 | extern int bfd_sym_fetch_type_table_information |
| 616 | (bfd *, bfd_sym_type_information_table_entry *, unsigned long); |
| 617 | extern const unsigned char * bfd_sym_symbol_name |
| 618 | (bfd *, unsigned long); |
| 619 | extern const unsigned char * bfd_sym_module_name |
| 620 | (bfd *, unsigned long); |
| 621 | extern const char * bfd_sym_unparse_storage_kind |
| 622 | (enum bfd_sym_storage_kind); |
| 623 | extern const char * bfd_sym_unparse_storage_class |
| 624 | (enum bfd_sym_storage_class); |
| 625 | extern const char * bfd_sym_unparse_module_kind |
| 626 | (enum bfd_sym_module_kind); |
| 627 | extern const char * bfd_sym_unparse_symbol_scope |
| 628 | (enum bfd_sym_symbol_scope); |
| 629 | extern void bfd_sym_print_file_reference |
| 630 | (bfd *, FILE *, bfd_sym_file_reference *); |
| 631 | extern void bfd_sym_print_resources_table_entry |
| 632 | (bfd *, FILE *, bfd_sym_resources_table_entry *); |
| 633 | extern void bfd_sym_print_modules_table_entry |
| 634 | (bfd *, FILE *, bfd_sym_modules_table_entry *); |
| 635 | extern void bfd_sym_print_file_references_table_entry |
| 636 | (bfd *, FILE *, bfd_sym_file_references_table_entry *); |
| 637 | extern void bfd_sym_print_contained_modules_table_entry |
| 638 | (bfd *, FILE *, bfd_sym_contained_modules_table_entry *); |
| 639 | extern void bfd_sym_print_contained_variables_table_entry |
| 640 | (bfd *, FILE *f, bfd_sym_contained_variables_table_entry *); |
| 641 | extern void bfd_sym_print_contained_statements_table_entry |
| 642 | (bfd *, FILE *, bfd_sym_contained_statements_table_entry *); |
| 643 | extern void bfd_sym_print_contained_labels_table_entry |
| 644 | (bfd *, FILE *, bfd_sym_contained_labels_table_entry *); |
| 645 | extern void bfd_sym_print_contained_types_table_entry |
| 646 | (bfd *, FILE *, bfd_sym_contained_types_table_entry *); |
| 647 | extern const char * bfd_sym_type_operator_name |
| 648 | (unsigned char); |
| 649 | extern const char * bfd_sym_type_basic_name |
| 650 | (unsigned char); |
| 651 | extern int bfd_sym_fetch_long |
| 652 | (unsigned char *, unsigned long, unsigned long, unsigned long *, long *); |
| 653 | extern void bfd_sym_print_type_information |
| 654 | (bfd *, FILE *, unsigned char *, unsigned long, unsigned long, unsigned long *); |
| 655 | extern void bfd_sym_print_type_information_table_entry |
| 656 | (bfd *, FILE *, bfd_sym_type_information_table_entry *); |
| 657 | extern void bfd_sym_print_file_references_index_table_entry |
| 658 | (bfd *, FILE *, bfd_sym_file_references_index_table_entry *); |
| 659 | extern void bfd_sym_print_constant_pool_entry |
| 660 | (bfd *, FILE *, bfd_sym_constant_pool_entry *); |
| 661 | extern unsigned char * bfd_sym_display_name_table_entry |
| 662 | (bfd *, FILE *, unsigned char *); |
| 663 | extern void bfd_sym_display_name_table |
| 664 | (bfd *, FILE *); |
| 665 | extern void bfd_sym_display_resources_table |
| 666 | (bfd *, FILE *); |
| 667 | extern void bfd_sym_display_modules_table |
| 668 | (bfd *, FILE *); |
| 669 | extern void bfd_sym_display_file_references_table |
| 670 | (bfd *, FILE *); |
| 671 | extern void bfd_sym_display_contained_modules_table |
| 672 | (bfd *, FILE *); |
| 673 | extern void bfd_sym_display_contained_variables_table |
| 674 | (bfd *, FILE *); |
| 675 | extern void bfd_sym_display_contained_statements_table |
| 676 | (bfd *, FILE *); |
| 677 | extern void bfd_sym_display_contained_labels_table |
| 678 | (bfd *, FILE *); |
| 679 | extern void bfd_sym_display_contained_types_table |
| 680 | (bfd *, FILE *); |
| 681 | extern void bfd_sym_display_file_references_index_table |
| 682 | (bfd *, FILE *); |
| 683 | extern void bfd_sym_display_constant_pool |
| 684 | (bfd *, FILE *); |
| 685 | extern void bfd_sym_display_type_information_table |
| 686 | (bfd *, FILE *); |
| 687 | extern int bfd_sym_scan |
| 688 | (bfd *, bfd_sym_version, bfd_sym_data_struct *); |
| 689 | extern const bfd_target * bfd_sym_object_p |
| 690 | (bfd *); |
| 691 | extern void bfd_sym_get_symbol_info |
| 692 | (bfd *, asymbol *, symbol_info *); |
| 693 | extern long bfd_sym_get_symtab_upper_bound |
| 694 | (bfd *); |
| 695 | extern long bfd_sym_canonicalize_symtab |
| 696 | (bfd *, asymbol **); |
| 697 | extern int bfd_sym_sizeof_headers |
| 698 | (bfd *, struct bfd_link_info *); |
| 699 | |
| 700 | #endif /* __xSYM_H__ */ |