| 1 | /* debug.c -- Handle generic debugging information. |
| 2 | Copyright (C) 1995-2017 Free Software Foundation, Inc. |
| 3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | |
| 23 | /* This file implements a generic debugging format. We may eventually |
| 24 | have readers which convert different formats into this generic |
| 25 | format, and writers which write it out. The initial impetus for |
| 26 | this was writing a converter from stabs to HP IEEE-695 debugging |
| 27 | format. */ |
| 28 | |
| 29 | #include "sysdep.h" |
| 30 | #include <assert.h> |
| 31 | #include "bfd.h" |
| 32 | #include "libiberty.h" |
| 33 | #include "filenames.h" |
| 34 | #include "debug.h" |
| 35 | |
| 36 | /* Global information we keep for debugging. A pointer to this |
| 37 | structure is the debugging handle passed to all the routines. */ |
| 38 | |
| 39 | struct debug_handle |
| 40 | { |
| 41 | /* A linked list of compilation units. */ |
| 42 | struct debug_unit *units; |
| 43 | /* The current compilation unit. */ |
| 44 | struct debug_unit *current_unit; |
| 45 | /* The current source file. */ |
| 46 | struct debug_file *current_file; |
| 47 | /* The current function. */ |
| 48 | struct debug_function *current_function; |
| 49 | /* The current block. */ |
| 50 | struct debug_block *current_block; |
| 51 | /* The current line number information for the current unit. */ |
| 52 | struct debug_lineno *current_lineno; |
| 53 | /* Mark. This is used by debug_write. */ |
| 54 | unsigned int mark; |
| 55 | /* A struct/class ID used by debug_write. */ |
| 56 | unsigned int class_id; |
| 57 | /* The base for class_id for this call to debug_write. */ |
| 58 | unsigned int base_id; |
| 59 | /* The current line number in debug_write. */ |
| 60 | struct debug_lineno *current_write_lineno; |
| 61 | unsigned int current_write_lineno_index; |
| 62 | /* A list of classes which have assigned ID's during debug_write. |
| 63 | This is linked through the next_id field of debug_class_type. */ |
| 64 | struct debug_class_id *id_list; |
| 65 | /* A list used to avoid recursion during debug_type_samep. */ |
| 66 | struct debug_type_compare_list *compare_list; |
| 67 | }; |
| 68 | |
| 69 | /* Information we keep for a single compilation unit. */ |
| 70 | |
| 71 | struct debug_unit |
| 72 | { |
| 73 | /* The next compilation unit. */ |
| 74 | struct debug_unit *next; |
| 75 | /* A list of files included in this compilation unit. The first |
| 76 | file is always the main one, and that is where the main file name |
| 77 | is stored. */ |
| 78 | struct debug_file *files; |
| 79 | /* Line number information for this compilation unit. This is not |
| 80 | stored by function, because assembler code may have line number |
| 81 | information without function information. */ |
| 82 | struct debug_lineno *linenos; |
| 83 | }; |
| 84 | |
| 85 | /* Information kept for a single source file. */ |
| 86 | |
| 87 | struct debug_file |
| 88 | { |
| 89 | /* The next source file in this compilation unit. */ |
| 90 | struct debug_file *next; |
| 91 | /* The name of the source file. */ |
| 92 | const char *filename; |
| 93 | /* Global functions, variables, types, etc. */ |
| 94 | struct debug_namespace *globals; |
| 95 | }; |
| 96 | |
| 97 | /* A type. */ |
| 98 | |
| 99 | struct debug_type_s |
| 100 | { |
| 101 | /* Kind of type. */ |
| 102 | enum debug_type_kind kind; |
| 103 | /* Size of type (0 if not known). */ |
| 104 | unsigned int size; |
| 105 | /* Type which is a pointer to this type. */ |
| 106 | debug_type pointer; |
| 107 | /* Tagged union with additional information about the type. */ |
| 108 | union |
| 109 | { |
| 110 | /* DEBUG_KIND_INDIRECT. */ |
| 111 | struct debug_indirect_type *kindirect; |
| 112 | /* DEBUG_KIND_INT. */ |
| 113 | /* Whether the integer is unsigned. */ |
| 114 | bfd_boolean kint; |
| 115 | /* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS, |
| 116 | DEBUG_KIND_UNION_CLASS. */ |
| 117 | struct debug_class_type *kclass; |
| 118 | /* DEBUG_KIND_ENUM. */ |
| 119 | struct debug_enum_type *kenum; |
| 120 | /* DEBUG_KIND_POINTER. */ |
| 121 | struct debug_type_s *kpointer; |
| 122 | /* DEBUG_KIND_FUNCTION. */ |
| 123 | struct debug_function_type *kfunction; |
| 124 | /* DEBUG_KIND_REFERENCE. */ |
| 125 | struct debug_type_s *kreference; |
| 126 | /* DEBUG_KIND_RANGE. */ |
| 127 | struct debug_range_type *krange; |
| 128 | /* DEBUG_KIND_ARRAY. */ |
| 129 | struct debug_array_type *karray; |
| 130 | /* DEBUG_KIND_SET. */ |
| 131 | struct debug_set_type *kset; |
| 132 | /* DEBUG_KIND_OFFSET. */ |
| 133 | struct debug_offset_type *koffset; |
| 134 | /* DEBUG_KIND_METHOD. */ |
| 135 | struct debug_method_type *kmethod; |
| 136 | /* DEBUG_KIND_CONST. */ |
| 137 | struct debug_type_s *kconst; |
| 138 | /* DEBUG_KIND_VOLATILE. */ |
| 139 | struct debug_type_s *kvolatile; |
| 140 | /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */ |
| 141 | struct debug_named_type *knamed; |
| 142 | } u; |
| 143 | }; |
| 144 | |
| 145 | /* Information kept for an indirect type. */ |
| 146 | |
| 147 | struct debug_indirect_type |
| 148 | { |
| 149 | /* Slot where the final type will appear. */ |
| 150 | debug_type *slot; |
| 151 | /* Tag. */ |
| 152 | const char *tag; |
| 153 | }; |
| 154 | |
| 155 | /* Information kept for a struct, union, or class. */ |
| 156 | |
| 157 | struct debug_class_type |
| 158 | { |
| 159 | /* NULL terminated array of fields. */ |
| 160 | debug_field *fields; |
| 161 | /* A mark field which indicates whether the struct has already been |
| 162 | printed. */ |
| 163 | unsigned int mark; |
| 164 | /* This is used to uniquely identify unnamed structs when printing. */ |
| 165 | unsigned int id; |
| 166 | /* The remaining fields are only used for DEBUG_KIND_CLASS and |
| 167 | DEBUG_KIND_UNION_CLASS. */ |
| 168 | /* NULL terminated array of base classes. */ |
| 169 | debug_baseclass *baseclasses; |
| 170 | /* NULL terminated array of methods. */ |
| 171 | debug_method *methods; |
| 172 | /* The type of the class providing the virtual function table for |
| 173 | this class. This may point to the type itself. */ |
| 174 | debug_type vptrbase; |
| 175 | }; |
| 176 | |
| 177 | /* Information kept for an enum. */ |
| 178 | |
| 179 | struct debug_enum_type |
| 180 | { |
| 181 | /* NULL terminated array of names. */ |
| 182 | const char **names; |
| 183 | /* Array of corresponding values. */ |
| 184 | bfd_signed_vma *values; |
| 185 | }; |
| 186 | |
| 187 | /* Information kept for a function. FIXME: We should be able to |
| 188 | record the parameter types. */ |
| 189 | |
| 190 | struct debug_function_type |
| 191 | { |
| 192 | /* Return type. */ |
| 193 | debug_type return_type; |
| 194 | /* NULL terminated array of argument types. */ |
| 195 | debug_type *arg_types; |
| 196 | /* Whether the function takes a variable number of arguments. */ |
| 197 | bfd_boolean varargs; |
| 198 | }; |
| 199 | |
| 200 | /* Information kept for a range. */ |
| 201 | |
| 202 | struct debug_range_type |
| 203 | { |
| 204 | /* Range base type. */ |
| 205 | debug_type type; |
| 206 | /* Lower bound. */ |
| 207 | bfd_signed_vma lower; |
| 208 | /* Upper bound. */ |
| 209 | bfd_signed_vma upper; |
| 210 | }; |
| 211 | |
| 212 | /* Information kept for an array. */ |
| 213 | |
| 214 | struct debug_array_type |
| 215 | { |
| 216 | /* Element type. */ |
| 217 | debug_type element_type; |
| 218 | /* Range type. */ |
| 219 | debug_type range_type; |
| 220 | /* Lower bound. */ |
| 221 | bfd_signed_vma lower; |
| 222 | /* Upper bound. */ |
| 223 | bfd_signed_vma upper; |
| 224 | /* Whether this array is really a string. */ |
| 225 | bfd_boolean stringp; |
| 226 | }; |
| 227 | |
| 228 | /* Information kept for a set. */ |
| 229 | |
| 230 | struct debug_set_type |
| 231 | { |
| 232 | /* Base type. */ |
| 233 | debug_type type; |
| 234 | /* Whether this set is really a bitstring. */ |
| 235 | bfd_boolean bitstringp; |
| 236 | }; |
| 237 | |
| 238 | /* Information kept for an offset type (a based pointer). */ |
| 239 | |
| 240 | struct debug_offset_type |
| 241 | { |
| 242 | /* The type the pointer is an offset from. */ |
| 243 | debug_type base_type; |
| 244 | /* The type the pointer points to. */ |
| 245 | debug_type target_type; |
| 246 | }; |
| 247 | |
| 248 | /* Information kept for a method type. */ |
| 249 | |
| 250 | struct debug_method_type |
| 251 | { |
| 252 | /* The return type. */ |
| 253 | debug_type return_type; |
| 254 | /* The object type which this method is for. */ |
| 255 | debug_type domain_type; |
| 256 | /* A NULL terminated array of argument types. */ |
| 257 | debug_type *arg_types; |
| 258 | /* Whether the method takes a variable number of arguments. */ |
| 259 | bfd_boolean varargs; |
| 260 | }; |
| 261 | |
| 262 | /* Information kept for a named type. */ |
| 263 | |
| 264 | struct debug_named_type |
| 265 | { |
| 266 | /* Name. */ |
| 267 | struct debug_name *name; |
| 268 | /* Real type. */ |
| 269 | debug_type type; |
| 270 | }; |
| 271 | |
| 272 | /* A field in a struct or union. */ |
| 273 | |
| 274 | struct debug_field_s |
| 275 | { |
| 276 | /* Name of the field. */ |
| 277 | const char *name; |
| 278 | /* Type of the field. */ |
| 279 | struct debug_type_s *type; |
| 280 | /* Visibility of the field. */ |
| 281 | enum debug_visibility visibility; |
| 282 | /* Whether this is a static member. */ |
| 283 | bfd_boolean static_member; |
| 284 | union |
| 285 | { |
| 286 | /* If static_member is false. */ |
| 287 | struct |
| 288 | { |
| 289 | /* Bit position of the field in the struct. */ |
| 290 | unsigned int bitpos; |
| 291 | /* Size of the field in bits. */ |
| 292 | unsigned int bitsize; |
| 293 | } f; |
| 294 | /* If static_member is true. */ |
| 295 | struct |
| 296 | { |
| 297 | const char *physname; |
| 298 | } s; |
| 299 | } u; |
| 300 | }; |
| 301 | |
| 302 | /* A base class for an object. */ |
| 303 | |
| 304 | struct debug_baseclass_s |
| 305 | { |
| 306 | /* Type of the base class. */ |
| 307 | struct debug_type_s *type; |
| 308 | /* Bit position of the base class in the object. */ |
| 309 | unsigned int bitpos; |
| 310 | /* Whether the base class is virtual. */ |
| 311 | bfd_boolean is_virtual; |
| 312 | /* Visibility of the base class. */ |
| 313 | enum debug_visibility visibility; |
| 314 | }; |
| 315 | |
| 316 | /* A method of an object. */ |
| 317 | |
| 318 | struct debug_method_s |
| 319 | { |
| 320 | /* The name of the method. */ |
| 321 | const char *name; |
| 322 | /* A NULL terminated array of different types of variants. */ |
| 323 | struct debug_method_variant_s **variants; |
| 324 | }; |
| 325 | |
| 326 | /* The variants of a method function of an object. These indicate |
| 327 | which method to run. */ |
| 328 | |
| 329 | struct debug_method_variant_s |
| 330 | { |
| 331 | /* The physical name of the function. */ |
| 332 | const char *physname; |
| 333 | /* The type of the function. */ |
| 334 | struct debug_type_s *type; |
| 335 | /* The visibility of the function. */ |
| 336 | enum debug_visibility visibility; |
| 337 | /* Whether the function is const. */ |
| 338 | bfd_boolean constp; |
| 339 | /* Whether the function is volatile. */ |
| 340 | bfd_boolean volatilep; |
| 341 | /* The offset to the function in the virtual function table. */ |
| 342 | bfd_vma voffset; |
| 343 | /* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */ |
| 344 | #define VOFFSET_STATIC_METHOD ((bfd_vma) -1) |
| 345 | /* Context of a virtual method function. */ |
| 346 | struct debug_type_s *context; |
| 347 | }; |
| 348 | |
| 349 | /* A variable. This is the information we keep for a variable object. |
| 350 | This has no name; a name is associated with a variable in a |
| 351 | debug_name structure. */ |
| 352 | |
| 353 | struct debug_variable |
| 354 | { |
| 355 | /* Kind of variable. */ |
| 356 | enum debug_var_kind kind; |
| 357 | /* Type. */ |
| 358 | debug_type type; |
| 359 | /* Value. The interpretation of the value depends upon kind. */ |
| 360 | bfd_vma val; |
| 361 | }; |
| 362 | |
| 363 | /* A function. This has no name; a name is associated with a function |
| 364 | in a debug_name structure. */ |
| 365 | |
| 366 | struct debug_function |
| 367 | { |
| 368 | /* Return type. */ |
| 369 | debug_type return_type; |
| 370 | /* Parameter information. */ |
| 371 | struct debug_parameter *parameters; |
| 372 | /* Block information. The first structure on the list is the main |
| 373 | block of the function, and describes function local variables. */ |
| 374 | struct debug_block *blocks; |
| 375 | }; |
| 376 | |
| 377 | /* A function parameter. */ |
| 378 | |
| 379 | struct debug_parameter |
| 380 | { |
| 381 | /* Next parameter. */ |
| 382 | struct debug_parameter *next; |
| 383 | /* Name. */ |
| 384 | const char *name; |
| 385 | /* Type. */ |
| 386 | debug_type type; |
| 387 | /* Kind. */ |
| 388 | enum debug_parm_kind kind; |
| 389 | /* Value (meaning depends upon kind). */ |
| 390 | bfd_vma val; |
| 391 | }; |
| 392 | |
| 393 | /* A typed constant. */ |
| 394 | |
| 395 | struct debug_typed_constant |
| 396 | { |
| 397 | /* Type. */ |
| 398 | debug_type type; |
| 399 | /* Value. FIXME: We may eventually need to support non-integral |
| 400 | values. */ |
| 401 | bfd_vma val; |
| 402 | }; |
| 403 | |
| 404 | /* Information about a block within a function. */ |
| 405 | |
| 406 | struct debug_block |
| 407 | { |
| 408 | /* Next block with the same parent. */ |
| 409 | struct debug_block *next; |
| 410 | /* Parent block. */ |
| 411 | struct debug_block *parent; |
| 412 | /* List of child blocks. */ |
| 413 | struct debug_block *children; |
| 414 | /* Start address of the block. */ |
| 415 | bfd_vma start; |
| 416 | /* End address of the block. */ |
| 417 | bfd_vma end; |
| 418 | /* Local variables. */ |
| 419 | struct debug_namespace *locals; |
| 420 | }; |
| 421 | |
| 422 | /* Line number information we keep for a compilation unit. FIXME: |
| 423 | This structure is easy to create, but can be very space |
| 424 | inefficient. */ |
| 425 | |
| 426 | struct debug_lineno |
| 427 | { |
| 428 | /* More line number information for this block. */ |
| 429 | struct debug_lineno *next; |
| 430 | /* Source file. */ |
| 431 | struct debug_file *file; |
| 432 | /* Line numbers, terminated by a -1 or the end of the array. */ |
| 433 | #define DEBUG_LINENO_COUNT 10 |
| 434 | unsigned long linenos[DEBUG_LINENO_COUNT]; |
| 435 | /* Addresses for the line numbers. */ |
| 436 | bfd_vma addrs[DEBUG_LINENO_COUNT]; |
| 437 | }; |
| 438 | |
| 439 | /* A namespace. This is a mapping from names to objects. FIXME: This |
| 440 | should be implemented as a hash table. */ |
| 441 | |
| 442 | struct debug_namespace |
| 443 | { |
| 444 | /* List of items in this namespace. */ |
| 445 | struct debug_name *list; |
| 446 | /* Pointer to where the next item in this namespace should go. */ |
| 447 | struct debug_name **tail; |
| 448 | }; |
| 449 | |
| 450 | /* Kinds of objects that appear in a namespace. */ |
| 451 | |
| 452 | enum debug_object_kind |
| 453 | { |
| 454 | /* A type. */ |
| 455 | DEBUG_OBJECT_TYPE, |
| 456 | /* A tagged type (really a different sort of namespace). */ |
| 457 | DEBUG_OBJECT_TAG, |
| 458 | /* A variable. */ |
| 459 | DEBUG_OBJECT_VARIABLE, |
| 460 | /* A function. */ |
| 461 | DEBUG_OBJECT_FUNCTION, |
| 462 | /* An integer constant. */ |
| 463 | DEBUG_OBJECT_INT_CONSTANT, |
| 464 | /* A floating point constant. */ |
| 465 | DEBUG_OBJECT_FLOAT_CONSTANT, |
| 466 | /* A typed constant. */ |
| 467 | DEBUG_OBJECT_TYPED_CONSTANT |
| 468 | }; |
| 469 | |
| 470 | /* Linkage of an object that appears in a namespace. */ |
| 471 | |
| 472 | enum debug_object_linkage |
| 473 | { |
| 474 | /* Local variable. */ |
| 475 | DEBUG_LINKAGE_AUTOMATIC, |
| 476 | /* Static--either file static or function static, depending upon the |
| 477 | namespace is. */ |
| 478 | DEBUG_LINKAGE_STATIC, |
| 479 | /* Global. */ |
| 480 | DEBUG_LINKAGE_GLOBAL, |
| 481 | /* No linkage. */ |
| 482 | DEBUG_LINKAGE_NONE |
| 483 | }; |
| 484 | |
| 485 | /* A name in a namespace. */ |
| 486 | |
| 487 | struct debug_name |
| 488 | { |
| 489 | /* Next name in this namespace. */ |
| 490 | struct debug_name *next; |
| 491 | /* Name. */ |
| 492 | const char *name; |
| 493 | /* Mark. This is used by debug_write. */ |
| 494 | unsigned int mark; |
| 495 | /* Kind of object. */ |
| 496 | enum debug_object_kind kind; |
| 497 | /* Linkage of object. */ |
| 498 | enum debug_object_linkage linkage; |
| 499 | /* Tagged union with additional information about the object. */ |
| 500 | union |
| 501 | { |
| 502 | /* DEBUG_OBJECT_TYPE. */ |
| 503 | struct debug_type_s *type; |
| 504 | /* DEBUG_OBJECT_TAG. */ |
| 505 | struct debug_type_s *tag; |
| 506 | /* DEBUG_OBJECT_VARIABLE. */ |
| 507 | struct debug_variable *variable; |
| 508 | /* DEBUG_OBJECT_FUNCTION. */ |
| 509 | struct debug_function *function; |
| 510 | /* DEBUG_OBJECT_INT_CONSTANT. */ |
| 511 | bfd_vma int_constant; |
| 512 | /* DEBUG_OBJECT_FLOAT_CONSTANT. */ |
| 513 | double float_constant; |
| 514 | /* DEBUG_OBJECT_TYPED_CONSTANT. */ |
| 515 | struct debug_typed_constant *typed_constant; |
| 516 | } u; |
| 517 | }; |
| 518 | |
| 519 | /* During debug_write, a linked list of these structures is used to |
| 520 | keep track of ID numbers that have been assigned to classes. */ |
| 521 | |
| 522 | struct debug_class_id |
| 523 | { |
| 524 | /* Next ID number. */ |
| 525 | struct debug_class_id *next; |
| 526 | /* The type with the ID. */ |
| 527 | struct debug_type_s *type; |
| 528 | /* The tag; NULL if no tag. */ |
| 529 | const char *tag; |
| 530 | }; |
| 531 | |
| 532 | /* During debug_type_samep, a linked list of these structures is kept |
| 533 | on the stack to avoid infinite recursion. */ |
| 534 | |
| 535 | struct debug_type_compare_list |
| 536 | { |
| 537 | /* Next type on list. */ |
| 538 | struct debug_type_compare_list *next; |
| 539 | /* The types we are comparing. */ |
| 540 | struct debug_type_s *t1; |
| 541 | struct debug_type_s *t2; |
| 542 | }; |
| 543 | |
| 544 | /* During debug_get_real_type, a linked list of these structures is |
| 545 | kept on the stack to avoid infinite recursion. */ |
| 546 | |
| 547 | struct debug_type_real_list |
| 548 | { |
| 549 | /* Next type on list. */ |
| 550 | struct debug_type_real_list *next; |
| 551 | /* The type we are checking. */ |
| 552 | struct debug_type_s *t; |
| 553 | }; |
| 554 | |
| 555 | /* Local functions. */ |
| 556 | |
| 557 | static void debug_error (const char *); |
| 558 | static struct debug_name *debug_add_to_namespace |
| 559 | (struct debug_handle *, struct debug_namespace **, const char *, |
| 560 | enum debug_object_kind, enum debug_object_linkage); |
| 561 | static struct debug_name *debug_add_to_current_namespace |
| 562 | (struct debug_handle *, const char *, enum debug_object_kind, |
| 563 | enum debug_object_linkage); |
| 564 | static struct debug_type_s *debug_make_type |
| 565 | (struct debug_handle *, enum debug_type_kind, unsigned int); |
| 566 | static struct debug_type_s *debug_get_real_type |
| 567 | (void *, debug_type, struct debug_type_real_list *); |
| 568 | static bfd_boolean debug_write_name |
| 569 | (struct debug_handle *, const struct debug_write_fns *, void *, |
| 570 | struct debug_name *); |
| 571 | static bfd_boolean debug_write_type |
| 572 | (struct debug_handle *, const struct debug_write_fns *, void *, |
| 573 | struct debug_type_s *, struct debug_name *); |
| 574 | static bfd_boolean debug_write_class_type |
| 575 | (struct debug_handle *, const struct debug_write_fns *, void *, |
| 576 | struct debug_type_s *, const char *); |
| 577 | static bfd_boolean debug_write_function |
| 578 | (struct debug_handle *, const struct debug_write_fns *, void *, |
| 579 | const char *, enum debug_object_linkage, struct debug_function *); |
| 580 | static bfd_boolean debug_write_block |
| 581 | (struct debug_handle *, const struct debug_write_fns *, void *, |
| 582 | struct debug_block *); |
| 583 | static bfd_boolean debug_write_linenos |
| 584 | (struct debug_handle *, const struct debug_write_fns *, void *, bfd_vma); |
| 585 | static bfd_boolean debug_set_class_id |
| 586 | (struct debug_handle *, const char *, struct debug_type_s *); |
| 587 | static bfd_boolean debug_type_samep |
| 588 | (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); |
| 589 | static bfd_boolean debug_class_type_samep |
| 590 | (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); |
| 591 | \f |
| 592 | /* Issue an error message. */ |
| 593 | |
| 594 | static void |
| 595 | debug_error (const char *message) |
| 596 | { |
| 597 | fprintf (stderr, "%s\n", message); |
| 598 | } |
| 599 | |
| 600 | /* Add an object to a namespace. */ |
| 601 | |
| 602 | static struct debug_name * |
| 603 | debug_add_to_namespace (struct debug_handle *info ATTRIBUTE_UNUSED, |
| 604 | struct debug_namespace **nsp, const char *name, |
| 605 | enum debug_object_kind kind, |
| 606 | enum debug_object_linkage linkage) |
| 607 | { |
| 608 | struct debug_name *n; |
| 609 | struct debug_namespace *ns; |
| 610 | |
| 611 | n = (struct debug_name *) xmalloc (sizeof *n); |
| 612 | memset (n, 0, sizeof *n); |
| 613 | |
| 614 | n->name = name; |
| 615 | n->kind = kind; |
| 616 | n->linkage = linkage; |
| 617 | |
| 618 | ns = *nsp; |
| 619 | if (ns == NULL) |
| 620 | { |
| 621 | ns = (struct debug_namespace *) xmalloc (sizeof *ns); |
| 622 | memset (ns, 0, sizeof *ns); |
| 623 | |
| 624 | ns->tail = &ns->list; |
| 625 | |
| 626 | *nsp = ns; |
| 627 | } |
| 628 | |
| 629 | *ns->tail = n; |
| 630 | ns->tail = &n->next; |
| 631 | |
| 632 | return n; |
| 633 | } |
| 634 | |
| 635 | /* Add an object to the current namespace. */ |
| 636 | |
| 637 | static struct debug_name * |
| 638 | debug_add_to_current_namespace (struct debug_handle *info, const char *name, |
| 639 | enum debug_object_kind kind, |
| 640 | enum debug_object_linkage linkage) |
| 641 | { |
| 642 | struct debug_namespace **nsp; |
| 643 | |
| 644 | if (info->current_unit == NULL |
| 645 | || info->current_file == NULL) |
| 646 | { |
| 647 | debug_error (_("debug_add_to_current_namespace: no current file")); |
| 648 | return NULL; |
| 649 | } |
| 650 | |
| 651 | if (info->current_block != NULL) |
| 652 | nsp = &info->current_block->locals; |
| 653 | else |
| 654 | nsp = &info->current_file->globals; |
| 655 | |
| 656 | return debug_add_to_namespace (info, nsp, name, kind, linkage); |
| 657 | } |
| 658 | \f |
| 659 | /* Return a handle for debugging information. */ |
| 660 | |
| 661 | void * |
| 662 | debug_init (void) |
| 663 | { |
| 664 | struct debug_handle *ret; |
| 665 | |
| 666 | ret = (struct debug_handle *) xmalloc (sizeof *ret); |
| 667 | memset (ret, 0, sizeof *ret); |
| 668 | return (void *) ret; |
| 669 | } |
| 670 | |
| 671 | /* Set the source filename. This implicitly starts a new compilation |
| 672 | unit. */ |
| 673 | |
| 674 | bfd_boolean |
| 675 | debug_set_filename (void *handle, const char *name) |
| 676 | { |
| 677 | struct debug_handle *info = (struct debug_handle *) handle; |
| 678 | struct debug_file *nfile; |
| 679 | struct debug_unit *nunit; |
| 680 | |
| 681 | if (name == NULL) |
| 682 | name = ""; |
| 683 | |
| 684 | nfile = (struct debug_file *) xmalloc (sizeof *nfile); |
| 685 | memset (nfile, 0, sizeof *nfile); |
| 686 | |
| 687 | nfile->filename = name; |
| 688 | |
| 689 | nunit = (struct debug_unit *) xmalloc (sizeof *nunit); |
| 690 | memset (nunit, 0, sizeof *nunit); |
| 691 | |
| 692 | nunit->files = nfile; |
| 693 | info->current_file = nfile; |
| 694 | |
| 695 | if (info->current_unit != NULL) |
| 696 | info->current_unit->next = nunit; |
| 697 | else |
| 698 | { |
| 699 | assert (info->units == NULL); |
| 700 | info->units = nunit; |
| 701 | } |
| 702 | |
| 703 | info->current_unit = nunit; |
| 704 | |
| 705 | info->current_function = NULL; |
| 706 | info->current_block = NULL; |
| 707 | info->current_lineno = NULL; |
| 708 | |
| 709 | return TRUE; |
| 710 | } |
| 711 | |
| 712 | /* Change source files to the given file name. This is used for |
| 713 | include files in a single compilation unit. */ |
| 714 | |
| 715 | bfd_boolean |
| 716 | debug_start_source (void *handle, const char *name) |
| 717 | { |
| 718 | struct debug_handle *info = (struct debug_handle *) handle; |
| 719 | struct debug_file *f, **pf; |
| 720 | |
| 721 | if (name == NULL) |
| 722 | name = ""; |
| 723 | |
| 724 | if (info->current_unit == NULL) |
| 725 | { |
| 726 | debug_error (_("debug_start_source: no debug_set_filename call")); |
| 727 | return FALSE; |
| 728 | } |
| 729 | |
| 730 | for (f = info->current_unit->files; f != NULL; f = f->next) |
| 731 | { |
| 732 | if (filename_cmp (f->filename, name) == 0) |
| 733 | { |
| 734 | info->current_file = f; |
| 735 | return TRUE; |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | f = (struct debug_file *) xmalloc (sizeof *f); |
| 740 | memset (f, 0, sizeof *f); |
| 741 | |
| 742 | f->filename = name; |
| 743 | |
| 744 | for (pf = &info->current_file->next; |
| 745 | *pf != NULL; |
| 746 | pf = &(*pf)->next) |
| 747 | ; |
| 748 | *pf = f; |
| 749 | |
| 750 | info->current_file = f; |
| 751 | |
| 752 | return TRUE; |
| 753 | } |
| 754 | |
| 755 | /* Record a function definition. This implicitly starts a function |
| 756 | block. The debug_type argument is the type of the return value. |
| 757 | The boolean indicates whether the function is globally visible. |
| 758 | The bfd_vma is the address of the start of the function. Currently |
| 759 | the parameter types are specified by calls to |
| 760 | debug_record_parameter. FIXME: There is no way to specify nested |
| 761 | functions. */ |
| 762 | |
| 763 | bfd_boolean |
| 764 | debug_record_function (void *handle, const char *name, |
| 765 | debug_type return_type, bfd_boolean global, |
| 766 | bfd_vma addr) |
| 767 | { |
| 768 | struct debug_handle *info = (struct debug_handle *) handle; |
| 769 | struct debug_function *f; |
| 770 | struct debug_block *b; |
| 771 | struct debug_name *n; |
| 772 | |
| 773 | if (name == NULL) |
| 774 | name = ""; |
| 775 | if (return_type == NULL) |
| 776 | return FALSE; |
| 777 | |
| 778 | if (info->current_unit == NULL) |
| 779 | { |
| 780 | debug_error (_("debug_record_function: no debug_set_filename call")); |
| 781 | return FALSE; |
| 782 | } |
| 783 | |
| 784 | f = (struct debug_function *) xmalloc (sizeof *f); |
| 785 | memset (f, 0, sizeof *f); |
| 786 | |
| 787 | f->return_type = return_type; |
| 788 | |
| 789 | b = (struct debug_block *) xmalloc (sizeof *b); |
| 790 | memset (b, 0, sizeof *b); |
| 791 | |
| 792 | b->start = addr; |
| 793 | b->end = (bfd_vma) -1; |
| 794 | |
| 795 | f->blocks = b; |
| 796 | |
| 797 | info->current_function = f; |
| 798 | info->current_block = b; |
| 799 | |
| 800 | /* FIXME: If we could handle nested functions, this would be the |
| 801 | place: we would want to use a different namespace. */ |
| 802 | n = debug_add_to_namespace (info, |
| 803 | &info->current_file->globals, |
| 804 | name, |
| 805 | DEBUG_OBJECT_FUNCTION, |
| 806 | (global |
| 807 | ? DEBUG_LINKAGE_GLOBAL |
| 808 | : DEBUG_LINKAGE_STATIC)); |
| 809 | if (n == NULL) |
| 810 | return FALSE; |
| 811 | |
| 812 | n->u.function = f; |
| 813 | |
| 814 | return TRUE; |
| 815 | } |
| 816 | |
| 817 | /* Record a parameter for the current function. */ |
| 818 | |
| 819 | bfd_boolean |
| 820 | debug_record_parameter (void *handle, const char *name, debug_type type, |
| 821 | enum debug_parm_kind kind, bfd_vma val) |
| 822 | { |
| 823 | struct debug_handle *info = (struct debug_handle *) handle; |
| 824 | struct debug_parameter *p, **pp; |
| 825 | |
| 826 | if (name == NULL || type == NULL) |
| 827 | return FALSE; |
| 828 | |
| 829 | if (info->current_unit == NULL |
| 830 | || info->current_function == NULL) |
| 831 | { |
| 832 | debug_error (_("debug_record_parameter: no current function")); |
| 833 | return FALSE; |
| 834 | } |
| 835 | |
| 836 | p = (struct debug_parameter *) xmalloc (sizeof *p); |
| 837 | memset (p, 0, sizeof *p); |
| 838 | |
| 839 | p->name = name; |
| 840 | p->type = type; |
| 841 | p->kind = kind; |
| 842 | p->val = val; |
| 843 | |
| 844 | for (pp = &info->current_function->parameters; |
| 845 | *pp != NULL; |
| 846 | pp = &(*pp)->next) |
| 847 | ; |
| 848 | *pp = p; |
| 849 | |
| 850 | return TRUE; |
| 851 | } |
| 852 | |
| 853 | /* End a function. FIXME: This should handle function nesting. */ |
| 854 | |
| 855 | bfd_boolean |
| 856 | debug_end_function (void *handle, bfd_vma addr) |
| 857 | { |
| 858 | struct debug_handle *info = (struct debug_handle *) handle; |
| 859 | |
| 860 | if (info->current_unit == NULL |
| 861 | || info->current_block == NULL |
| 862 | || info->current_function == NULL) |
| 863 | { |
| 864 | debug_error (_("debug_end_function: no current function")); |
| 865 | return FALSE; |
| 866 | } |
| 867 | |
| 868 | if (info->current_block->parent != NULL) |
| 869 | { |
| 870 | debug_error (_("debug_end_function: some blocks were not closed")); |
| 871 | return FALSE; |
| 872 | } |
| 873 | |
| 874 | info->current_block->end = addr; |
| 875 | |
| 876 | info->current_function = NULL; |
| 877 | info->current_block = NULL; |
| 878 | |
| 879 | return TRUE; |
| 880 | } |
| 881 | |
| 882 | /* Start a block in a function. All local information will be |
| 883 | recorded in this block, until the matching call to debug_end_block. |
| 884 | debug_start_block and debug_end_block may be nested. The bfd_vma |
| 885 | argument is the address at which this block starts. */ |
| 886 | |
| 887 | bfd_boolean |
| 888 | debug_start_block (void *handle, bfd_vma addr) |
| 889 | { |
| 890 | struct debug_handle *info = (struct debug_handle *) handle; |
| 891 | struct debug_block *b, **pb; |
| 892 | |
| 893 | /* We must always have a current block: debug_record_function sets |
| 894 | one up. */ |
| 895 | if (info->current_unit == NULL |
| 896 | || info->current_block == NULL) |
| 897 | { |
| 898 | debug_error (_("debug_start_block: no current block")); |
| 899 | return FALSE; |
| 900 | } |
| 901 | |
| 902 | b = (struct debug_block *) xmalloc (sizeof *b); |
| 903 | memset (b, 0, sizeof *b); |
| 904 | |
| 905 | b->parent = info->current_block; |
| 906 | b->start = addr; |
| 907 | b->end = (bfd_vma) -1; |
| 908 | |
| 909 | /* This new block is a child of the current block. */ |
| 910 | for (pb = &info->current_block->children; |
| 911 | *pb != NULL; |
| 912 | pb = &(*pb)->next) |
| 913 | ; |
| 914 | *pb = b; |
| 915 | |
| 916 | info->current_block = b; |
| 917 | |
| 918 | return TRUE; |
| 919 | } |
| 920 | |
| 921 | /* Finish a block in a function. This matches the call to |
| 922 | debug_start_block. The argument is the address at which this block |
| 923 | ends. */ |
| 924 | |
| 925 | bfd_boolean |
| 926 | debug_end_block (void *handle, bfd_vma addr) |
| 927 | { |
| 928 | struct debug_handle *info = (struct debug_handle *) handle; |
| 929 | struct debug_block *parent; |
| 930 | |
| 931 | if (info->current_unit == NULL |
| 932 | || info->current_block == NULL) |
| 933 | { |
| 934 | debug_error (_("debug_end_block: no current block")); |
| 935 | return FALSE; |
| 936 | } |
| 937 | |
| 938 | parent = info->current_block->parent; |
| 939 | if (parent == NULL) |
| 940 | { |
| 941 | debug_error (_("debug_end_block: attempt to close top level block")); |
| 942 | return FALSE; |
| 943 | } |
| 944 | |
| 945 | info->current_block->end = addr; |
| 946 | |
| 947 | info->current_block = parent; |
| 948 | |
| 949 | return TRUE; |
| 950 | } |
| 951 | |
| 952 | /* Associate a line number in the current source file and function |
| 953 | with a given address. */ |
| 954 | |
| 955 | bfd_boolean |
| 956 | debug_record_line (void *handle, unsigned long lineno, bfd_vma addr) |
| 957 | { |
| 958 | struct debug_handle *info = (struct debug_handle *) handle; |
| 959 | struct debug_lineno *l; |
| 960 | unsigned int i; |
| 961 | |
| 962 | if (info->current_unit == NULL) |
| 963 | { |
| 964 | debug_error (_("debug_record_line: no current unit")); |
| 965 | return FALSE; |
| 966 | } |
| 967 | |
| 968 | l = info->current_lineno; |
| 969 | if (l != NULL && l->file == info->current_file) |
| 970 | { |
| 971 | for (i = 0; i < DEBUG_LINENO_COUNT; i++) |
| 972 | { |
| 973 | if (l->linenos[i] == (unsigned long) -1) |
| 974 | { |
| 975 | l->linenos[i] = lineno; |
| 976 | l->addrs[i] = addr; |
| 977 | return TRUE; |
| 978 | } |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | /* If we get here, then either 1) there is no current_lineno |
| 983 | structure, which means this is the first line number in this |
| 984 | compilation unit, 2) the current_lineno structure is for a |
| 985 | different file, or 3) the current_lineno structure is full. |
| 986 | Regardless, we want to allocate a new debug_lineno structure, put |
| 987 | it in the right place, and make it the new current_lineno |
| 988 | structure. */ |
| 989 | |
| 990 | l = (struct debug_lineno *) xmalloc (sizeof *l); |
| 991 | memset (l, 0, sizeof *l); |
| 992 | |
| 993 | l->file = info->current_file; |
| 994 | l->linenos[0] = lineno; |
| 995 | l->addrs[0] = addr; |
| 996 | for (i = 1; i < DEBUG_LINENO_COUNT; i++) |
| 997 | l->linenos[i] = (unsigned long) -1; |
| 998 | |
| 999 | if (info->current_lineno != NULL) |
| 1000 | info->current_lineno->next = l; |
| 1001 | else |
| 1002 | info->current_unit->linenos = l; |
| 1003 | |
| 1004 | info->current_lineno = l; |
| 1005 | |
| 1006 | return TRUE; |
| 1007 | } |
| 1008 | |
| 1009 | /* Start a named common block. This is a block of variables that may |
| 1010 | move in memory. */ |
| 1011 | |
| 1012 | bfd_boolean |
| 1013 | debug_start_common_block (void *handle ATTRIBUTE_UNUSED, |
| 1014 | const char *name ATTRIBUTE_UNUSED) |
| 1015 | { |
| 1016 | /* FIXME */ |
| 1017 | debug_error (_("debug_start_common_block: not implemented")); |
| 1018 | return FALSE; |
| 1019 | } |
| 1020 | |
| 1021 | /* End a named common block. */ |
| 1022 | |
| 1023 | bfd_boolean |
| 1024 | debug_end_common_block (void *handle ATTRIBUTE_UNUSED, |
| 1025 | const char *name ATTRIBUTE_UNUSED) |
| 1026 | { |
| 1027 | /* FIXME */ |
| 1028 | debug_error (_("debug_end_common_block: not implemented")); |
| 1029 | return FALSE; |
| 1030 | } |
| 1031 | |
| 1032 | /* Record a named integer constant. */ |
| 1033 | |
| 1034 | bfd_boolean |
| 1035 | debug_record_int_const (void *handle, const char *name, bfd_vma val) |
| 1036 | { |
| 1037 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1038 | struct debug_name *n; |
| 1039 | |
| 1040 | if (name == NULL) |
| 1041 | return FALSE; |
| 1042 | |
| 1043 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT, |
| 1044 | DEBUG_LINKAGE_NONE); |
| 1045 | if (n == NULL) |
| 1046 | return FALSE; |
| 1047 | |
| 1048 | n->u.int_constant = val; |
| 1049 | |
| 1050 | return TRUE; |
| 1051 | } |
| 1052 | |
| 1053 | /* Record a named floating point constant. */ |
| 1054 | |
| 1055 | bfd_boolean |
| 1056 | debug_record_float_const (void *handle, const char *name, double val) |
| 1057 | { |
| 1058 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1059 | struct debug_name *n; |
| 1060 | |
| 1061 | if (name == NULL) |
| 1062 | return FALSE; |
| 1063 | |
| 1064 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT, |
| 1065 | DEBUG_LINKAGE_NONE); |
| 1066 | if (n == NULL) |
| 1067 | return FALSE; |
| 1068 | |
| 1069 | n->u.float_constant = val; |
| 1070 | |
| 1071 | return TRUE; |
| 1072 | } |
| 1073 | |
| 1074 | /* Record a typed constant with an integral value. */ |
| 1075 | |
| 1076 | bfd_boolean |
| 1077 | debug_record_typed_const (void *handle, const char *name, debug_type type, |
| 1078 | bfd_vma val) |
| 1079 | { |
| 1080 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1081 | struct debug_name *n; |
| 1082 | struct debug_typed_constant *tc; |
| 1083 | |
| 1084 | if (name == NULL || type == NULL) |
| 1085 | return FALSE; |
| 1086 | |
| 1087 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT, |
| 1088 | DEBUG_LINKAGE_NONE); |
| 1089 | if (n == NULL) |
| 1090 | return FALSE; |
| 1091 | |
| 1092 | tc = (struct debug_typed_constant *) xmalloc (sizeof *tc); |
| 1093 | memset (tc, 0, sizeof *tc); |
| 1094 | |
| 1095 | tc->type = type; |
| 1096 | tc->val = val; |
| 1097 | |
| 1098 | n->u.typed_constant = tc; |
| 1099 | |
| 1100 | return TRUE; |
| 1101 | } |
| 1102 | |
| 1103 | /* Record a label. */ |
| 1104 | |
| 1105 | bfd_boolean |
| 1106 | debug_record_label (void *handle ATTRIBUTE_UNUSED, |
| 1107 | const char *name ATTRIBUTE_UNUSED, |
| 1108 | debug_type type ATTRIBUTE_UNUSED, |
| 1109 | bfd_vma addr ATTRIBUTE_UNUSED) |
| 1110 | { |
| 1111 | /* FIXME. */ |
| 1112 | debug_error (_("debug_record_label: not implemented")); |
| 1113 | return FALSE; |
| 1114 | } |
| 1115 | |
| 1116 | /* Record a variable. */ |
| 1117 | |
| 1118 | bfd_boolean |
| 1119 | debug_record_variable (void *handle, const char *name, debug_type type, |
| 1120 | enum debug_var_kind kind, bfd_vma val) |
| 1121 | { |
| 1122 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1123 | struct debug_namespace **nsp; |
| 1124 | enum debug_object_linkage linkage; |
| 1125 | struct debug_name *n; |
| 1126 | struct debug_variable *v; |
| 1127 | |
| 1128 | if (name == NULL || type == NULL) |
| 1129 | return FALSE; |
| 1130 | |
| 1131 | if (info->current_unit == NULL |
| 1132 | || info->current_file == NULL) |
| 1133 | { |
| 1134 | debug_error (_("debug_record_variable: no current file")); |
| 1135 | return FALSE; |
| 1136 | } |
| 1137 | |
| 1138 | if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) |
| 1139 | { |
| 1140 | nsp = &info->current_file->globals; |
| 1141 | if (kind == DEBUG_GLOBAL) |
| 1142 | linkage = DEBUG_LINKAGE_GLOBAL; |
| 1143 | else |
| 1144 | linkage = DEBUG_LINKAGE_STATIC; |
| 1145 | } |
| 1146 | else |
| 1147 | { |
| 1148 | if (info->current_block == NULL) |
| 1149 | nsp = &info->current_file->globals; |
| 1150 | else |
| 1151 | nsp = &info->current_block->locals; |
| 1152 | linkage = DEBUG_LINKAGE_AUTOMATIC; |
| 1153 | } |
| 1154 | |
| 1155 | n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage); |
| 1156 | if (n == NULL) |
| 1157 | return FALSE; |
| 1158 | |
| 1159 | v = (struct debug_variable *) xmalloc (sizeof *v); |
| 1160 | memset (v, 0, sizeof *v); |
| 1161 | |
| 1162 | v->kind = kind; |
| 1163 | v->type = type; |
| 1164 | v->val = val; |
| 1165 | |
| 1166 | n->u.variable = v; |
| 1167 | |
| 1168 | return TRUE; |
| 1169 | } |
| 1170 | |
| 1171 | /* Make a type with a given kind and size. */ |
| 1172 | |
| 1173 | static struct debug_type_s * |
| 1174 | debug_make_type (struct debug_handle *info ATTRIBUTE_UNUSED, |
| 1175 | enum debug_type_kind kind, unsigned int size) |
| 1176 | { |
| 1177 | struct debug_type_s *t; |
| 1178 | |
| 1179 | t = (struct debug_type_s *) xmalloc (sizeof *t); |
| 1180 | memset (t, 0, sizeof *t); |
| 1181 | |
| 1182 | t->kind = kind; |
| 1183 | t->size = size; |
| 1184 | |
| 1185 | return t; |
| 1186 | } |
| 1187 | |
| 1188 | /* Make an indirect type which may be used as a placeholder for a type |
| 1189 | which is referenced before it is defined. */ |
| 1190 | |
| 1191 | debug_type |
| 1192 | debug_make_indirect_type (void *handle, debug_type *slot, const char *tag) |
| 1193 | { |
| 1194 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1195 | struct debug_type_s *t; |
| 1196 | struct debug_indirect_type *i; |
| 1197 | |
| 1198 | t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0); |
| 1199 | if (t == NULL) |
| 1200 | return DEBUG_TYPE_NULL; |
| 1201 | |
| 1202 | i = (struct debug_indirect_type *) xmalloc (sizeof *i); |
| 1203 | memset (i, 0, sizeof *i); |
| 1204 | |
| 1205 | i->slot = slot; |
| 1206 | i->tag = tag; |
| 1207 | |
| 1208 | t->u.kindirect = i; |
| 1209 | |
| 1210 | return t; |
| 1211 | } |
| 1212 | |
| 1213 | /* Make a void type. There is only one of these. */ |
| 1214 | |
| 1215 | debug_type |
| 1216 | debug_make_void_type (void *handle) |
| 1217 | { |
| 1218 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1219 | |
| 1220 | return debug_make_type (info, DEBUG_KIND_VOID, 0); |
| 1221 | } |
| 1222 | |
| 1223 | /* Make an integer type of a given size. The boolean argument is true |
| 1224 | if the integer is unsigned. */ |
| 1225 | |
| 1226 | debug_type |
| 1227 | debug_make_int_type (void *handle, unsigned int size, bfd_boolean unsignedp) |
| 1228 | { |
| 1229 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1230 | struct debug_type_s *t; |
| 1231 | |
| 1232 | t = debug_make_type (info, DEBUG_KIND_INT, size); |
| 1233 | if (t == NULL) |
| 1234 | return DEBUG_TYPE_NULL; |
| 1235 | |
| 1236 | t->u.kint = unsignedp; |
| 1237 | |
| 1238 | return t; |
| 1239 | } |
| 1240 | |
| 1241 | /* Make a floating point type of a given size. FIXME: On some |
| 1242 | platforms, like an Alpha, you probably need to be able to specify |
| 1243 | the format. */ |
| 1244 | |
| 1245 | debug_type |
| 1246 | debug_make_float_type (void *handle, unsigned int size) |
| 1247 | { |
| 1248 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1249 | |
| 1250 | return debug_make_type (info, DEBUG_KIND_FLOAT, size); |
| 1251 | } |
| 1252 | |
| 1253 | /* Make a boolean type of a given size. */ |
| 1254 | |
| 1255 | debug_type |
| 1256 | debug_make_bool_type (void *handle, unsigned int size) |
| 1257 | { |
| 1258 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1259 | |
| 1260 | return debug_make_type (info, DEBUG_KIND_BOOL, size); |
| 1261 | } |
| 1262 | |
| 1263 | /* Make a complex type of a given size. */ |
| 1264 | |
| 1265 | debug_type |
| 1266 | debug_make_complex_type (void *handle, unsigned int size) |
| 1267 | { |
| 1268 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1269 | |
| 1270 | return debug_make_type (info, DEBUG_KIND_COMPLEX, size); |
| 1271 | } |
| 1272 | |
| 1273 | /* Make a structure type. The second argument is true for a struct, |
| 1274 | false for a union. The third argument is the size of the struct. |
| 1275 | The fourth argument is a NULL terminated array of fields. */ |
| 1276 | |
| 1277 | debug_type |
| 1278 | debug_make_struct_type (void *handle, bfd_boolean structp, bfd_vma size, |
| 1279 | debug_field *fields) |
| 1280 | { |
| 1281 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1282 | struct debug_type_s *t; |
| 1283 | struct debug_class_type *c; |
| 1284 | |
| 1285 | t = debug_make_type (info, |
| 1286 | structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION, |
| 1287 | size); |
| 1288 | if (t == NULL) |
| 1289 | return DEBUG_TYPE_NULL; |
| 1290 | |
| 1291 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
| 1292 | memset (c, 0, sizeof *c); |
| 1293 | |
| 1294 | c->fields = fields; |
| 1295 | |
| 1296 | t->u.kclass = c; |
| 1297 | |
| 1298 | return t; |
| 1299 | } |
| 1300 | |
| 1301 | /* Make an object type. The first three arguments after the handle |
| 1302 | are the same as for debug_make_struct_type. The next arguments are |
| 1303 | a NULL terminated array of base classes, a NULL terminated array of |
| 1304 | methods, the type of the object holding the virtual function table |
| 1305 | if it is not this object, and a boolean which is true if this |
| 1306 | object has its own virtual function table. */ |
| 1307 | |
| 1308 | debug_type |
| 1309 | debug_make_object_type (void *handle, bfd_boolean structp, bfd_vma size, |
| 1310 | debug_field *fields, debug_baseclass *baseclasses, |
| 1311 | debug_method *methods, debug_type vptrbase, |
| 1312 | bfd_boolean ownvptr) |
| 1313 | { |
| 1314 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1315 | struct debug_type_s *t; |
| 1316 | struct debug_class_type *c; |
| 1317 | |
| 1318 | t = debug_make_type (info, |
| 1319 | structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS, |
| 1320 | size); |
| 1321 | if (t == NULL) |
| 1322 | return DEBUG_TYPE_NULL; |
| 1323 | |
| 1324 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
| 1325 | memset (c, 0, sizeof *c); |
| 1326 | |
| 1327 | c->fields = fields; |
| 1328 | c->baseclasses = baseclasses; |
| 1329 | c->methods = methods; |
| 1330 | if (ownvptr) |
| 1331 | c->vptrbase = t; |
| 1332 | else |
| 1333 | c->vptrbase = vptrbase; |
| 1334 | |
| 1335 | t->u.kclass = c; |
| 1336 | |
| 1337 | return t; |
| 1338 | } |
| 1339 | |
| 1340 | /* Make an enumeration type. The arguments are a null terminated |
| 1341 | array of strings, and an array of corresponding values. */ |
| 1342 | |
| 1343 | debug_type |
| 1344 | debug_make_enum_type (void *handle, const char **names, |
| 1345 | bfd_signed_vma *values) |
| 1346 | { |
| 1347 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1348 | struct debug_type_s *t; |
| 1349 | struct debug_enum_type *e; |
| 1350 | |
| 1351 | t = debug_make_type (info, DEBUG_KIND_ENUM, 0); |
| 1352 | if (t == NULL) |
| 1353 | return DEBUG_TYPE_NULL; |
| 1354 | |
| 1355 | e = (struct debug_enum_type *) xmalloc (sizeof *e); |
| 1356 | memset (e, 0, sizeof *e); |
| 1357 | |
| 1358 | e->names = names; |
| 1359 | e->values = values; |
| 1360 | |
| 1361 | t->u.kenum = e; |
| 1362 | |
| 1363 | return t; |
| 1364 | } |
| 1365 | |
| 1366 | /* Make a pointer to a given type. */ |
| 1367 | |
| 1368 | debug_type |
| 1369 | debug_make_pointer_type (void *handle, debug_type type) |
| 1370 | { |
| 1371 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1372 | struct debug_type_s *t; |
| 1373 | |
| 1374 | if (type == NULL) |
| 1375 | return DEBUG_TYPE_NULL; |
| 1376 | |
| 1377 | if (type->pointer != DEBUG_TYPE_NULL) |
| 1378 | return type->pointer; |
| 1379 | |
| 1380 | t = debug_make_type (info, DEBUG_KIND_POINTER, 0); |
| 1381 | if (t == NULL) |
| 1382 | return DEBUG_TYPE_NULL; |
| 1383 | |
| 1384 | t->u.kpointer = type; |
| 1385 | |
| 1386 | type->pointer = t; |
| 1387 | |
| 1388 | return t; |
| 1389 | } |
| 1390 | |
| 1391 | /* Make a function returning a given type. FIXME: We should be able |
| 1392 | to record the parameter types. */ |
| 1393 | |
| 1394 | debug_type |
| 1395 | debug_make_function_type (void *handle, debug_type type, |
| 1396 | debug_type *arg_types, bfd_boolean varargs) |
| 1397 | { |
| 1398 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1399 | struct debug_type_s *t; |
| 1400 | struct debug_function_type *f; |
| 1401 | |
| 1402 | if (type == NULL) |
| 1403 | return DEBUG_TYPE_NULL; |
| 1404 | |
| 1405 | t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0); |
| 1406 | if (t == NULL) |
| 1407 | return DEBUG_TYPE_NULL; |
| 1408 | |
| 1409 | f = (struct debug_function_type *) xmalloc (sizeof *f); |
| 1410 | memset (f, 0, sizeof *f); |
| 1411 | |
| 1412 | f->return_type = type; |
| 1413 | f->arg_types = arg_types; |
| 1414 | f->varargs = varargs; |
| 1415 | |
| 1416 | t->u.kfunction = f; |
| 1417 | |
| 1418 | return t; |
| 1419 | } |
| 1420 | |
| 1421 | /* Make a reference to a given type. */ |
| 1422 | |
| 1423 | debug_type |
| 1424 | debug_make_reference_type (void *handle, debug_type type) |
| 1425 | { |
| 1426 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1427 | struct debug_type_s *t; |
| 1428 | |
| 1429 | if (type == NULL) |
| 1430 | return DEBUG_TYPE_NULL; |
| 1431 | |
| 1432 | t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0); |
| 1433 | if (t == NULL) |
| 1434 | return DEBUG_TYPE_NULL; |
| 1435 | |
| 1436 | t->u.kreference = type; |
| 1437 | |
| 1438 | return t; |
| 1439 | } |
| 1440 | |
| 1441 | /* Make a range of a given type from a lower to an upper bound. */ |
| 1442 | |
| 1443 | debug_type |
| 1444 | debug_make_range_type (void *handle, debug_type type, bfd_signed_vma lower, |
| 1445 | bfd_signed_vma upper) |
| 1446 | { |
| 1447 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1448 | struct debug_type_s *t; |
| 1449 | struct debug_range_type *r; |
| 1450 | |
| 1451 | if (type == NULL) |
| 1452 | return DEBUG_TYPE_NULL; |
| 1453 | |
| 1454 | t = debug_make_type (info, DEBUG_KIND_RANGE, 0); |
| 1455 | if (t == NULL) |
| 1456 | return DEBUG_TYPE_NULL; |
| 1457 | |
| 1458 | r = (struct debug_range_type *) xmalloc (sizeof *r); |
| 1459 | memset (r, 0, sizeof *r); |
| 1460 | |
| 1461 | r->type = type; |
| 1462 | r->lower = lower; |
| 1463 | r->upper = upper; |
| 1464 | |
| 1465 | t->u.krange = r; |
| 1466 | |
| 1467 | return t; |
| 1468 | } |
| 1469 | |
| 1470 | /* Make an array type. The second argument is the type of an element |
| 1471 | of the array. The third argument is the type of a range of the |
| 1472 | array. The fourth and fifth argument are the lower and upper |
| 1473 | bounds, respectively. The sixth argument is true if this array is |
| 1474 | actually a string, as in C. */ |
| 1475 | |
| 1476 | debug_type |
| 1477 | debug_make_array_type (void *handle, debug_type element_type, |
| 1478 | debug_type range_type, bfd_signed_vma lower, |
| 1479 | bfd_signed_vma upper, bfd_boolean stringp) |
| 1480 | { |
| 1481 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1482 | struct debug_type_s *t; |
| 1483 | struct debug_array_type *a; |
| 1484 | |
| 1485 | if (element_type == NULL || range_type == NULL) |
| 1486 | return DEBUG_TYPE_NULL; |
| 1487 | |
| 1488 | t = debug_make_type (info, DEBUG_KIND_ARRAY, 0); |
| 1489 | if (t == NULL) |
| 1490 | return DEBUG_TYPE_NULL; |
| 1491 | |
| 1492 | a = (struct debug_array_type *) xmalloc (sizeof *a); |
| 1493 | memset (a, 0, sizeof *a); |
| 1494 | |
| 1495 | a->element_type = element_type; |
| 1496 | a->range_type = range_type; |
| 1497 | a->lower = lower; |
| 1498 | a->upper = upper; |
| 1499 | a->stringp = stringp; |
| 1500 | |
| 1501 | t->u.karray = a; |
| 1502 | |
| 1503 | return t; |
| 1504 | } |
| 1505 | |
| 1506 | /* Make a set of a given type. For example, a Pascal set type. The |
| 1507 | boolean argument is true if this set is actually a bitstring, as in |
| 1508 | CHILL. */ |
| 1509 | |
| 1510 | debug_type |
| 1511 | debug_make_set_type (void *handle, debug_type type, bfd_boolean bitstringp) |
| 1512 | { |
| 1513 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1514 | struct debug_type_s *t; |
| 1515 | struct debug_set_type *s; |
| 1516 | |
| 1517 | if (type == NULL) |
| 1518 | return DEBUG_TYPE_NULL; |
| 1519 | |
| 1520 | t = debug_make_type (info, DEBUG_KIND_SET, 0); |
| 1521 | if (t == NULL) |
| 1522 | return DEBUG_TYPE_NULL; |
| 1523 | |
| 1524 | s = (struct debug_set_type *) xmalloc (sizeof *s); |
| 1525 | memset (s, 0, sizeof *s); |
| 1526 | |
| 1527 | s->type = type; |
| 1528 | s->bitstringp = bitstringp; |
| 1529 | |
| 1530 | t->u.kset = s; |
| 1531 | |
| 1532 | return t; |
| 1533 | } |
| 1534 | |
| 1535 | /* Make a type for a pointer which is relative to an object. The |
| 1536 | second argument is the type of the object to which the pointer is |
| 1537 | relative. The third argument is the type that the pointer points |
| 1538 | to. */ |
| 1539 | |
| 1540 | debug_type |
| 1541 | debug_make_offset_type (void *handle, debug_type base_type, |
| 1542 | debug_type target_type) |
| 1543 | { |
| 1544 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1545 | struct debug_type_s *t; |
| 1546 | struct debug_offset_type *o; |
| 1547 | |
| 1548 | if (base_type == NULL || target_type == NULL) |
| 1549 | return DEBUG_TYPE_NULL; |
| 1550 | |
| 1551 | t = debug_make_type (info, DEBUG_KIND_OFFSET, 0); |
| 1552 | if (t == NULL) |
| 1553 | return DEBUG_TYPE_NULL; |
| 1554 | |
| 1555 | o = (struct debug_offset_type *) xmalloc (sizeof *o); |
| 1556 | memset (o, 0, sizeof *o); |
| 1557 | |
| 1558 | o->base_type = base_type; |
| 1559 | o->target_type = target_type; |
| 1560 | |
| 1561 | t->u.koffset = o; |
| 1562 | |
| 1563 | return t; |
| 1564 | } |
| 1565 | |
| 1566 | /* Make a type for a method function. The second argument is the |
| 1567 | return type, the third argument is the domain, and the fourth |
| 1568 | argument is a NULL terminated array of argument types. */ |
| 1569 | |
| 1570 | debug_type |
| 1571 | debug_make_method_type (void *handle, debug_type return_type, |
| 1572 | debug_type domain_type, debug_type *arg_types, |
| 1573 | bfd_boolean varargs) |
| 1574 | { |
| 1575 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1576 | struct debug_type_s *t; |
| 1577 | struct debug_method_type *m; |
| 1578 | |
| 1579 | if (return_type == NULL) |
| 1580 | return DEBUG_TYPE_NULL; |
| 1581 | |
| 1582 | t = debug_make_type (info, DEBUG_KIND_METHOD, 0); |
| 1583 | if (t == NULL) |
| 1584 | return DEBUG_TYPE_NULL; |
| 1585 | |
| 1586 | m = (struct debug_method_type *) xmalloc (sizeof *m); |
| 1587 | memset (m, 0, sizeof *m); |
| 1588 | |
| 1589 | m->return_type = return_type; |
| 1590 | m->domain_type = domain_type; |
| 1591 | m->arg_types = arg_types; |
| 1592 | m->varargs = varargs; |
| 1593 | |
| 1594 | t->u.kmethod = m; |
| 1595 | |
| 1596 | return t; |
| 1597 | } |
| 1598 | |
| 1599 | /* Make a const qualified version of a given type. */ |
| 1600 | |
| 1601 | debug_type |
| 1602 | debug_make_const_type (void *handle, debug_type type) |
| 1603 | { |
| 1604 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1605 | struct debug_type_s *t; |
| 1606 | |
| 1607 | if (type == NULL) |
| 1608 | return DEBUG_TYPE_NULL; |
| 1609 | |
| 1610 | t = debug_make_type (info, DEBUG_KIND_CONST, 0); |
| 1611 | if (t == NULL) |
| 1612 | return DEBUG_TYPE_NULL; |
| 1613 | |
| 1614 | t->u.kconst = type; |
| 1615 | |
| 1616 | return t; |
| 1617 | } |
| 1618 | |
| 1619 | /* Make a volatile qualified version of a given type. */ |
| 1620 | |
| 1621 | debug_type |
| 1622 | debug_make_volatile_type (void *handle, debug_type type) |
| 1623 | { |
| 1624 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1625 | struct debug_type_s *t; |
| 1626 | |
| 1627 | if (type == NULL) |
| 1628 | return DEBUG_TYPE_NULL; |
| 1629 | |
| 1630 | t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0); |
| 1631 | if (t == NULL) |
| 1632 | return DEBUG_TYPE_NULL; |
| 1633 | |
| 1634 | t->u.kvolatile = type; |
| 1635 | |
| 1636 | return t; |
| 1637 | } |
| 1638 | |
| 1639 | /* Make an undefined tagged type. For example, a struct which has |
| 1640 | been mentioned, but not defined. */ |
| 1641 | |
| 1642 | debug_type |
| 1643 | debug_make_undefined_tagged_type (void *handle, const char *name, |
| 1644 | enum debug_type_kind kind) |
| 1645 | { |
| 1646 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1647 | struct debug_type_s *t; |
| 1648 | |
| 1649 | if (name == NULL) |
| 1650 | return DEBUG_TYPE_NULL; |
| 1651 | |
| 1652 | switch (kind) |
| 1653 | { |
| 1654 | case DEBUG_KIND_STRUCT: |
| 1655 | case DEBUG_KIND_UNION: |
| 1656 | case DEBUG_KIND_CLASS: |
| 1657 | case DEBUG_KIND_UNION_CLASS: |
| 1658 | case DEBUG_KIND_ENUM: |
| 1659 | break; |
| 1660 | |
| 1661 | default: |
| 1662 | debug_error (_("debug_make_undefined_type: unsupported kind")); |
| 1663 | return DEBUG_TYPE_NULL; |
| 1664 | } |
| 1665 | |
| 1666 | t = debug_make_type (info, kind, 0); |
| 1667 | if (t == NULL) |
| 1668 | return DEBUG_TYPE_NULL; |
| 1669 | |
| 1670 | return debug_tag_type (handle, name, t); |
| 1671 | } |
| 1672 | |
| 1673 | /* Make a base class for an object. The second argument is the base |
| 1674 | class type. The third argument is the bit position of this base |
| 1675 | class in the object (always 0 unless doing multiple inheritance). |
| 1676 | The fourth argument is whether this is a virtual class. The fifth |
| 1677 | argument is the visibility of the base class. */ |
| 1678 | |
| 1679 | debug_baseclass |
| 1680 | debug_make_baseclass (void *handle ATTRIBUTE_UNUSED, debug_type type, |
| 1681 | bfd_vma bitpos, bfd_boolean is_virtual, |
| 1682 | enum debug_visibility visibility) |
| 1683 | { |
| 1684 | struct debug_baseclass_s *b; |
| 1685 | |
| 1686 | b = (struct debug_baseclass_s *) xmalloc (sizeof *b); |
| 1687 | memset (b, 0, sizeof *b); |
| 1688 | |
| 1689 | b->type = type; |
| 1690 | b->bitpos = bitpos; |
| 1691 | b->is_virtual = is_virtual; |
| 1692 | b->visibility = visibility; |
| 1693 | |
| 1694 | return b; |
| 1695 | } |
| 1696 | |
| 1697 | /* Make a field for a struct. The second argument is the name. The |
| 1698 | third argument is the type of the field. The fourth argument is |
| 1699 | the bit position of the field. The fifth argument is the size of |
| 1700 | the field (it may be zero). The sixth argument is the visibility |
| 1701 | of the field. */ |
| 1702 | |
| 1703 | debug_field |
| 1704 | debug_make_field (void *handle ATTRIBUTE_UNUSED, const char *name, |
| 1705 | debug_type type, bfd_vma bitpos, bfd_vma bitsize, |
| 1706 | enum debug_visibility visibility) |
| 1707 | { |
| 1708 | struct debug_field_s *f; |
| 1709 | |
| 1710 | f = (struct debug_field_s *) xmalloc (sizeof *f); |
| 1711 | memset (f, 0, sizeof *f); |
| 1712 | |
| 1713 | f->name = name; |
| 1714 | f->type = type; |
| 1715 | f->static_member = FALSE; |
| 1716 | f->u.f.bitpos = bitpos; |
| 1717 | f->u.f.bitsize = bitsize; |
| 1718 | f->visibility = visibility; |
| 1719 | |
| 1720 | return f; |
| 1721 | } |
| 1722 | |
| 1723 | /* Make a static member of an object. The second argument is the |
| 1724 | name. The third argument is the type of the member. The fourth |
| 1725 | argument is the physical name of the member (i.e., the name as a |
| 1726 | global variable). The fifth argument is the visibility of the |
| 1727 | member. */ |
| 1728 | |
| 1729 | debug_field |
| 1730 | debug_make_static_member (void *handle ATTRIBUTE_UNUSED, const char *name, |
| 1731 | debug_type type, const char *physname, |
| 1732 | enum debug_visibility visibility) |
| 1733 | { |
| 1734 | struct debug_field_s *f; |
| 1735 | |
| 1736 | f = (struct debug_field_s *) xmalloc (sizeof *f); |
| 1737 | memset (f, 0, sizeof *f); |
| 1738 | |
| 1739 | f->name = name; |
| 1740 | f->type = type; |
| 1741 | f->static_member = TRUE; |
| 1742 | f->u.s.physname = physname; |
| 1743 | f->visibility = visibility; |
| 1744 | |
| 1745 | return f; |
| 1746 | } |
| 1747 | |
| 1748 | /* Make a method. The second argument is the name, and the third |
| 1749 | argument is a NULL terminated array of method variants. */ |
| 1750 | |
| 1751 | debug_method |
| 1752 | debug_make_method (void *handle ATTRIBUTE_UNUSED, const char *name, |
| 1753 | debug_method_variant *variants) |
| 1754 | { |
| 1755 | struct debug_method_s *m; |
| 1756 | |
| 1757 | m = (struct debug_method_s *) xmalloc (sizeof *m); |
| 1758 | memset (m, 0, sizeof *m); |
| 1759 | |
| 1760 | m->name = name; |
| 1761 | m->variants = variants; |
| 1762 | |
| 1763 | return m; |
| 1764 | } |
| 1765 | |
| 1766 | /* Make a method argument. The second argument is the real name of |
| 1767 | the function. The third argument is the type of the function. The |
| 1768 | fourth argument is the visibility. The fifth argument is whether |
| 1769 | this is a const function. The sixth argument is whether this is a |
| 1770 | volatile function. The seventh argument is the offset in the |
| 1771 | virtual function table, if any. The eighth argument is the virtual |
| 1772 | function context. FIXME: Are the const and volatile arguments |
| 1773 | necessary? Could we just use debug_make_const_type? */ |
| 1774 | |
| 1775 | debug_method_variant |
| 1776 | debug_make_method_variant (void *handle ATTRIBUTE_UNUSED, |
| 1777 | const char *physname, debug_type type, |
| 1778 | enum debug_visibility visibility, |
| 1779 | bfd_boolean constp, bfd_boolean volatilep, |
| 1780 | bfd_vma voffset, debug_type context) |
| 1781 | { |
| 1782 | struct debug_method_variant_s *m; |
| 1783 | |
| 1784 | m = (struct debug_method_variant_s *) xmalloc (sizeof *m); |
| 1785 | memset (m, 0, sizeof *m); |
| 1786 | |
| 1787 | m->physname = physname; |
| 1788 | m->type = type; |
| 1789 | m->visibility = visibility; |
| 1790 | m->constp = constp; |
| 1791 | m->volatilep = volatilep; |
| 1792 | m->voffset = voffset; |
| 1793 | m->context = context; |
| 1794 | |
| 1795 | return m; |
| 1796 | } |
| 1797 | |
| 1798 | /* Make a static method argument. The arguments are the same as for |
| 1799 | debug_make_method_variant, except that the last two are omitted |
| 1800 | since a static method can not also be virtual. */ |
| 1801 | |
| 1802 | debug_method_variant |
| 1803 | debug_make_static_method_variant (void *handle ATTRIBUTE_UNUSED, |
| 1804 | const char *physname, debug_type type, |
| 1805 | enum debug_visibility visibility, |
| 1806 | bfd_boolean constp, bfd_boolean volatilep) |
| 1807 | { |
| 1808 | struct debug_method_variant_s *m; |
| 1809 | |
| 1810 | m = (struct debug_method_variant_s *) xmalloc (sizeof *m); |
| 1811 | memset (m, 0, sizeof *m); |
| 1812 | |
| 1813 | m->physname = physname; |
| 1814 | m->type = type; |
| 1815 | m->visibility = visibility; |
| 1816 | m->constp = constp; |
| 1817 | m->volatilep = volatilep; |
| 1818 | m->voffset = VOFFSET_STATIC_METHOD; |
| 1819 | |
| 1820 | return m; |
| 1821 | } |
| 1822 | |
| 1823 | /* Name a type. */ |
| 1824 | |
| 1825 | debug_type |
| 1826 | debug_name_type (void *handle, const char *name, debug_type type) |
| 1827 | { |
| 1828 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1829 | struct debug_type_s *t; |
| 1830 | struct debug_named_type *n; |
| 1831 | struct debug_name *nm; |
| 1832 | |
| 1833 | if (name == NULL || type == NULL) |
| 1834 | return DEBUG_TYPE_NULL; |
| 1835 | |
| 1836 | if (info->current_unit == NULL |
| 1837 | || info->current_file == NULL) |
| 1838 | { |
| 1839 | debug_error (_("debug_name_type: no current file")); |
| 1840 | return DEBUG_TYPE_NULL; |
| 1841 | } |
| 1842 | |
| 1843 | t = debug_make_type (info, DEBUG_KIND_NAMED, 0); |
| 1844 | if (t == NULL) |
| 1845 | return DEBUG_TYPE_NULL; |
| 1846 | |
| 1847 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
| 1848 | memset (n, 0, sizeof *n); |
| 1849 | |
| 1850 | n->type = type; |
| 1851 | |
| 1852 | t->u.knamed = n; |
| 1853 | |
| 1854 | /* We always add the name to the global namespace. This is probably |
| 1855 | wrong in some cases, but it seems to be right for stabs. FIXME. */ |
| 1856 | |
| 1857 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
| 1858 | DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE); |
| 1859 | if (nm == NULL) |
| 1860 | return DEBUG_TYPE_NULL; |
| 1861 | |
| 1862 | nm->u.type = t; |
| 1863 | |
| 1864 | n->name = nm; |
| 1865 | |
| 1866 | return t; |
| 1867 | } |
| 1868 | |
| 1869 | /* Tag a type. */ |
| 1870 | |
| 1871 | debug_type |
| 1872 | debug_tag_type (void *handle, const char *name, debug_type type) |
| 1873 | { |
| 1874 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1875 | struct debug_type_s *t; |
| 1876 | struct debug_named_type *n; |
| 1877 | struct debug_name *nm; |
| 1878 | |
| 1879 | if (name == NULL || type == NULL) |
| 1880 | return DEBUG_TYPE_NULL; |
| 1881 | |
| 1882 | if (info->current_file == NULL) |
| 1883 | { |
| 1884 | debug_error (_("debug_tag_type: no current file")); |
| 1885 | return DEBUG_TYPE_NULL; |
| 1886 | } |
| 1887 | |
| 1888 | if (type->kind == DEBUG_KIND_TAGGED) |
| 1889 | { |
| 1890 | if (strcmp (type->u.knamed->name->name, name) == 0) |
| 1891 | return type; |
| 1892 | debug_error (_("debug_tag_type: extra tag attempted")); |
| 1893 | return DEBUG_TYPE_NULL; |
| 1894 | } |
| 1895 | |
| 1896 | t = debug_make_type (info, DEBUG_KIND_TAGGED, 0); |
| 1897 | if (t == NULL) |
| 1898 | return DEBUG_TYPE_NULL; |
| 1899 | |
| 1900 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
| 1901 | memset (n, 0, sizeof *n); |
| 1902 | |
| 1903 | n->type = type; |
| 1904 | |
| 1905 | t->u.knamed = n; |
| 1906 | |
| 1907 | /* We keep a global namespace of tags for each compilation unit. I |
| 1908 | don't know if that is the right thing to do. */ |
| 1909 | |
| 1910 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
| 1911 | DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE); |
| 1912 | if (nm == NULL) |
| 1913 | return DEBUG_TYPE_NULL; |
| 1914 | |
| 1915 | nm->u.tag = t; |
| 1916 | |
| 1917 | n->name = nm; |
| 1918 | |
| 1919 | return t; |
| 1920 | } |
| 1921 | |
| 1922 | /* Record the size of a given type. */ |
| 1923 | |
| 1924 | bfd_boolean |
| 1925 | debug_record_type_size (void *handle ATTRIBUTE_UNUSED, debug_type type, |
| 1926 | unsigned int size) |
| 1927 | { |
| 1928 | if (type->size != 0 && type->size != size) |
| 1929 | fprintf (stderr, _("Warning: changing type size from %d to %d\n"), |
| 1930 | type->size, size); |
| 1931 | |
| 1932 | type->size = size; |
| 1933 | |
| 1934 | return TRUE; |
| 1935 | } |
| 1936 | |
| 1937 | /* Find a named type. */ |
| 1938 | |
| 1939 | debug_type |
| 1940 | debug_find_named_type (void *handle, const char *name) |
| 1941 | { |
| 1942 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1943 | struct debug_block *b; |
| 1944 | struct debug_file *f; |
| 1945 | |
| 1946 | /* We only search the current compilation unit. I don't know if |
| 1947 | this is right or not. */ |
| 1948 | |
| 1949 | if (info->current_unit == NULL) |
| 1950 | { |
| 1951 | debug_error (_("debug_find_named_type: no current compilation unit")); |
| 1952 | return DEBUG_TYPE_NULL; |
| 1953 | } |
| 1954 | |
| 1955 | for (b = info->current_block; b != NULL; b = b->parent) |
| 1956 | { |
| 1957 | if (b->locals != NULL) |
| 1958 | { |
| 1959 | struct debug_name *n; |
| 1960 | |
| 1961 | for (n = b->locals->list; n != NULL; n = n->next) |
| 1962 | { |
| 1963 | if (n->kind == DEBUG_OBJECT_TYPE |
| 1964 | && n->name[0] == name[0] |
| 1965 | && strcmp (n->name, name) == 0) |
| 1966 | return n->u.type; |
| 1967 | } |
| 1968 | } |
| 1969 | } |
| 1970 | |
| 1971 | for (f = info->current_unit->files; f != NULL; f = f->next) |
| 1972 | { |
| 1973 | if (f->globals != NULL) |
| 1974 | { |
| 1975 | struct debug_name *n; |
| 1976 | |
| 1977 | for (n = f->globals->list; n != NULL; n = n->next) |
| 1978 | { |
| 1979 | if (n->kind == DEBUG_OBJECT_TYPE |
| 1980 | && n->name[0] == name[0] |
| 1981 | && strcmp (n->name, name) == 0) |
| 1982 | return n->u.type; |
| 1983 | } |
| 1984 | } |
| 1985 | } |
| 1986 | |
| 1987 | return DEBUG_TYPE_NULL; |
| 1988 | } |
| 1989 | |
| 1990 | /* Find a tagged type. */ |
| 1991 | |
| 1992 | debug_type |
| 1993 | debug_find_tagged_type (void *handle, const char *name, |
| 1994 | enum debug_type_kind kind) |
| 1995 | { |
| 1996 | struct debug_handle *info = (struct debug_handle *) handle; |
| 1997 | struct debug_unit *u; |
| 1998 | |
| 1999 | /* We search the globals of all the compilation units. I don't know |
| 2000 | if this is correct or not. It would be easy to change. */ |
| 2001 | |
| 2002 | for (u = info->units; u != NULL; u = u->next) |
| 2003 | { |
| 2004 | struct debug_file *f; |
| 2005 | |
| 2006 | for (f = u->files; f != NULL; f = f->next) |
| 2007 | { |
| 2008 | struct debug_name *n; |
| 2009 | |
| 2010 | if (f->globals != NULL) |
| 2011 | { |
| 2012 | for (n = f->globals->list; n != NULL; n = n->next) |
| 2013 | { |
| 2014 | if (n->kind == DEBUG_OBJECT_TAG |
| 2015 | && (kind == DEBUG_KIND_ILLEGAL |
| 2016 | || n->u.tag->kind == kind) |
| 2017 | && n->name[0] == name[0] |
| 2018 | && strcmp (n->name, name) == 0) |
| 2019 | return n->u.tag; |
| 2020 | } |
| 2021 | } |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | return DEBUG_TYPE_NULL; |
| 2026 | } |
| 2027 | |
| 2028 | /* Get a base type. We build a linked list on the stack to avoid |
| 2029 | crashing if the type is defined circularly. */ |
| 2030 | |
| 2031 | static struct debug_type_s * |
| 2032 | debug_get_real_type (void *handle, debug_type type, |
| 2033 | struct debug_type_real_list *list) |
| 2034 | { |
| 2035 | struct debug_type_real_list *l; |
| 2036 | struct debug_type_real_list rl; |
| 2037 | |
| 2038 | switch (type->kind) |
| 2039 | { |
| 2040 | default: |
| 2041 | return type; |
| 2042 | |
| 2043 | case DEBUG_KIND_INDIRECT: |
| 2044 | case DEBUG_KIND_NAMED: |
| 2045 | case DEBUG_KIND_TAGGED: |
| 2046 | break; |
| 2047 | } |
| 2048 | |
| 2049 | for (l = list; l != NULL; l = l->next) |
| 2050 | { |
| 2051 | if (l->t == type || l == l->next) |
| 2052 | { |
| 2053 | fprintf (stderr, |
| 2054 | _("debug_get_real_type: circular debug information for %s\n"), |
| 2055 | debug_get_type_name (handle, type)); |
| 2056 | return NULL; |
| 2057 | } |
| 2058 | } |
| 2059 | |
| 2060 | rl.next = list; |
| 2061 | rl.t = type; |
| 2062 | |
| 2063 | switch (type->kind) |
| 2064 | { |
| 2065 | /* The default case is just here to avoid warnings. */ |
| 2066 | default: |
| 2067 | case DEBUG_KIND_INDIRECT: |
| 2068 | if (*type->u.kindirect->slot != NULL) |
| 2069 | return debug_get_real_type (handle, *type->u.kindirect->slot, &rl); |
| 2070 | return type; |
| 2071 | case DEBUG_KIND_NAMED: |
| 2072 | case DEBUG_KIND_TAGGED: |
| 2073 | return debug_get_real_type (handle, type->u.knamed->type, &rl); |
| 2074 | } |
| 2075 | /*NOTREACHED*/ |
| 2076 | } |
| 2077 | |
| 2078 | /* Get the kind of a type. */ |
| 2079 | |
| 2080 | enum debug_type_kind |
| 2081 | debug_get_type_kind (void *handle, debug_type type) |
| 2082 | { |
| 2083 | if (type == NULL) |
| 2084 | return DEBUG_KIND_ILLEGAL; |
| 2085 | type = debug_get_real_type (handle, type, NULL); |
| 2086 | if (type == NULL) |
| 2087 | return DEBUG_KIND_ILLEGAL; |
| 2088 | return type->kind; |
| 2089 | } |
| 2090 | |
| 2091 | /* Get the name of a type. */ |
| 2092 | |
| 2093 | const char * |
| 2094 | debug_get_type_name (void *handle, debug_type type) |
| 2095 | { |
| 2096 | if (type->kind == DEBUG_KIND_INDIRECT) |
| 2097 | { |
| 2098 | if (*type->u.kindirect->slot != NULL) |
| 2099 | return debug_get_type_name (handle, *type->u.kindirect->slot); |
| 2100 | return type->u.kindirect->tag; |
| 2101 | } |
| 2102 | if (type->kind == DEBUG_KIND_NAMED |
| 2103 | || type->kind == DEBUG_KIND_TAGGED) |
| 2104 | return type->u.knamed->name->name; |
| 2105 | return NULL; |
| 2106 | } |
| 2107 | |
| 2108 | /* Get the size of a type. */ |
| 2109 | |
| 2110 | bfd_vma |
| 2111 | debug_get_type_size (void *handle, debug_type type) |
| 2112 | { |
| 2113 | if (type == NULL) |
| 2114 | return 0; |
| 2115 | |
| 2116 | /* We don't call debug_get_real_type, because somebody might have |
| 2117 | called debug_record_type_size on a named or indirect type. */ |
| 2118 | |
| 2119 | if (type->size != 0) |
| 2120 | return type->size; |
| 2121 | |
| 2122 | switch (type->kind) |
| 2123 | { |
| 2124 | default: |
| 2125 | return 0; |
| 2126 | case DEBUG_KIND_INDIRECT: |
| 2127 | if (*type->u.kindirect->slot != NULL) |
| 2128 | return debug_get_type_size (handle, *type->u.kindirect->slot); |
| 2129 | return 0; |
| 2130 | case DEBUG_KIND_NAMED: |
| 2131 | case DEBUG_KIND_TAGGED: |
| 2132 | return debug_get_type_size (handle, type->u.knamed->type); |
| 2133 | } |
| 2134 | /*NOTREACHED*/ |
| 2135 | } |
| 2136 | |
| 2137 | /* Get the return type of a function or method type. */ |
| 2138 | |
| 2139 | debug_type |
| 2140 | debug_get_return_type (void *handle, debug_type type) |
| 2141 | { |
| 2142 | if (type == NULL) |
| 2143 | return DEBUG_TYPE_NULL; |
| 2144 | |
| 2145 | type = debug_get_real_type (handle, type, NULL); |
| 2146 | if (type == NULL) |
| 2147 | return DEBUG_TYPE_NULL; |
| 2148 | |
| 2149 | switch (type->kind) |
| 2150 | { |
| 2151 | default: |
| 2152 | return DEBUG_TYPE_NULL; |
| 2153 | case DEBUG_KIND_FUNCTION: |
| 2154 | return type->u.kfunction->return_type; |
| 2155 | case DEBUG_KIND_METHOD: |
| 2156 | return type->u.kmethod->return_type; |
| 2157 | } |
| 2158 | /*NOTREACHED*/ |
| 2159 | } |
| 2160 | |
| 2161 | /* Get the parameter types of a function or method type (except that |
| 2162 | we don't currently store the parameter types of a function). */ |
| 2163 | |
| 2164 | const debug_type * |
| 2165 | debug_get_parameter_types (void *handle, debug_type type, |
| 2166 | bfd_boolean *pvarargs) |
| 2167 | { |
| 2168 | if (type == NULL) |
| 2169 | return NULL; |
| 2170 | |
| 2171 | type = debug_get_real_type (handle, type, NULL); |
| 2172 | if (type == NULL) |
| 2173 | return NULL; |
| 2174 | |
| 2175 | switch (type->kind) |
| 2176 | { |
| 2177 | default: |
| 2178 | return NULL; |
| 2179 | case DEBUG_KIND_FUNCTION: |
| 2180 | *pvarargs = type->u.kfunction->varargs; |
| 2181 | return type->u.kfunction->arg_types; |
| 2182 | case DEBUG_KIND_METHOD: |
| 2183 | *pvarargs = type->u.kmethod->varargs; |
| 2184 | return type->u.kmethod->arg_types; |
| 2185 | } |
| 2186 | /*NOTREACHED*/ |
| 2187 | } |
| 2188 | |
| 2189 | /* Get the target type of a type. */ |
| 2190 | |
| 2191 | debug_type |
| 2192 | debug_get_target_type (void *handle, debug_type type) |
| 2193 | { |
| 2194 | if (type == NULL) |
| 2195 | return NULL; |
| 2196 | |
| 2197 | type = debug_get_real_type (handle, type, NULL); |
| 2198 | if (type == NULL) |
| 2199 | return NULL; |
| 2200 | |
| 2201 | switch (type->kind) |
| 2202 | { |
| 2203 | default: |
| 2204 | return NULL; |
| 2205 | case DEBUG_KIND_POINTER: |
| 2206 | return type->u.kpointer; |
| 2207 | case DEBUG_KIND_REFERENCE: |
| 2208 | return type->u.kreference; |
| 2209 | case DEBUG_KIND_CONST: |
| 2210 | return type->u.kconst; |
| 2211 | case DEBUG_KIND_VOLATILE: |
| 2212 | return type->u.kvolatile; |
| 2213 | } |
| 2214 | /*NOTREACHED*/ |
| 2215 | } |
| 2216 | |
| 2217 | /* Get the NULL terminated array of fields for a struct, union, or |
| 2218 | class. */ |
| 2219 | |
| 2220 | const debug_field * |
| 2221 | debug_get_fields (void *handle, debug_type type) |
| 2222 | { |
| 2223 | if (type == NULL) |
| 2224 | return NULL; |
| 2225 | |
| 2226 | type = debug_get_real_type (handle, type, NULL); |
| 2227 | if (type == NULL) |
| 2228 | return NULL; |
| 2229 | |
| 2230 | switch (type->kind) |
| 2231 | { |
| 2232 | default: |
| 2233 | return NULL; |
| 2234 | case DEBUG_KIND_STRUCT: |
| 2235 | case DEBUG_KIND_UNION: |
| 2236 | case DEBUG_KIND_CLASS: |
| 2237 | case DEBUG_KIND_UNION_CLASS: |
| 2238 | return type->u.kclass->fields; |
| 2239 | } |
| 2240 | /*NOTREACHED*/ |
| 2241 | } |
| 2242 | |
| 2243 | /* Get the type of a field. */ |
| 2244 | |
| 2245 | debug_type |
| 2246 | debug_get_field_type (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2247 | { |
| 2248 | if (field == NULL) |
| 2249 | return NULL; |
| 2250 | return field->type; |
| 2251 | } |
| 2252 | |
| 2253 | /* Get the name of a field. */ |
| 2254 | |
| 2255 | const char * |
| 2256 | debug_get_field_name (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2257 | { |
| 2258 | if (field == NULL) |
| 2259 | return NULL; |
| 2260 | return field->name; |
| 2261 | } |
| 2262 | |
| 2263 | /* Get the bit position of a field. */ |
| 2264 | |
| 2265 | bfd_vma |
| 2266 | debug_get_field_bitpos (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2267 | { |
| 2268 | if (field == NULL || field->static_member) |
| 2269 | return (bfd_vma) -1; |
| 2270 | return field->u.f.bitpos; |
| 2271 | } |
| 2272 | |
| 2273 | /* Get the bit size of a field. */ |
| 2274 | |
| 2275 | bfd_vma |
| 2276 | debug_get_field_bitsize (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2277 | { |
| 2278 | if (field == NULL || field->static_member) |
| 2279 | return (bfd_vma) -1; |
| 2280 | return field->u.f.bitsize; |
| 2281 | } |
| 2282 | |
| 2283 | /* Get the visibility of a field. */ |
| 2284 | |
| 2285 | enum debug_visibility |
| 2286 | debug_get_field_visibility (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2287 | { |
| 2288 | if (field == NULL) |
| 2289 | return DEBUG_VISIBILITY_IGNORE; |
| 2290 | return field->visibility; |
| 2291 | } |
| 2292 | |
| 2293 | /* Get the physical name of a field. */ |
| 2294 | |
| 2295 | const char * |
| 2296 | debug_get_field_physname (void *handle ATTRIBUTE_UNUSED, debug_field field) |
| 2297 | { |
| 2298 | if (field == NULL || ! field->static_member) |
| 2299 | return NULL; |
| 2300 | return field->u.s.physname; |
| 2301 | } |
| 2302 | \f |
| 2303 | /* Write out the debugging information. This is given a handle to |
| 2304 | debugging information, and a set of function pointers to call. */ |
| 2305 | |
| 2306 | bfd_boolean |
| 2307 | debug_write (void *handle, const struct debug_write_fns *fns, void *fhandle) |
| 2308 | { |
| 2309 | struct debug_handle *info = (struct debug_handle *) handle; |
| 2310 | struct debug_unit *u; |
| 2311 | |
| 2312 | /* We use a mark to tell whether we have already written out a |
| 2313 | particular name. We use an integer, so that we don't have to |
| 2314 | clear the mark fields if we happen to write out the same |
| 2315 | information more than once. */ |
| 2316 | ++info->mark; |
| 2317 | |
| 2318 | /* The base_id field holds an ID value which will never be used, so |
| 2319 | that we can tell whether we have assigned an ID during this call |
| 2320 | to debug_write. */ |
| 2321 | info->base_id = info->class_id; |
| 2322 | |
| 2323 | /* We keep a linked list of classes for which was have assigned ID's |
| 2324 | during this call to debug_write. */ |
| 2325 | info->id_list = NULL; |
| 2326 | |
| 2327 | for (u = info->units; u != NULL; u = u->next) |
| 2328 | { |
| 2329 | struct debug_file *f; |
| 2330 | bfd_boolean first_file; |
| 2331 | |
| 2332 | info->current_write_lineno = u->linenos; |
| 2333 | info->current_write_lineno_index = 0; |
| 2334 | |
| 2335 | if (! (*fns->start_compilation_unit) (fhandle, u->files->filename)) |
| 2336 | return FALSE; |
| 2337 | |
| 2338 | first_file = TRUE; |
| 2339 | for (f = u->files; f != NULL; f = f->next) |
| 2340 | { |
| 2341 | struct debug_name *n; |
| 2342 | |
| 2343 | if (first_file) |
| 2344 | first_file = FALSE; |
| 2345 | else if (! (*fns->start_source) (fhandle, f->filename)) |
| 2346 | return FALSE; |
| 2347 | |
| 2348 | if (f->globals != NULL) |
| 2349 | for (n = f->globals->list; n != NULL; n = n->next) |
| 2350 | if (! debug_write_name (info, fns, fhandle, n)) |
| 2351 | return FALSE; |
| 2352 | } |
| 2353 | |
| 2354 | /* Output any line number information which hasn't already been |
| 2355 | handled. */ |
| 2356 | if (! debug_write_linenos (info, fns, fhandle, (bfd_vma) -1)) |
| 2357 | return FALSE; |
| 2358 | } |
| 2359 | |
| 2360 | return TRUE; |
| 2361 | } |
| 2362 | |
| 2363 | /* Write out an element in a namespace. */ |
| 2364 | |
| 2365 | static bfd_boolean |
| 2366 | debug_write_name (struct debug_handle *info, |
| 2367 | const struct debug_write_fns *fns, void *fhandle, |
| 2368 | struct debug_name *n) |
| 2369 | { |
| 2370 | switch (n->kind) |
| 2371 | { |
| 2372 | case DEBUG_OBJECT_TYPE: |
| 2373 | if (! debug_write_type (info, fns, fhandle, n->u.type, n) |
| 2374 | || ! (*fns->typdef) (fhandle, n->name)) |
| 2375 | return FALSE; |
| 2376 | return TRUE; |
| 2377 | case DEBUG_OBJECT_TAG: |
| 2378 | if (! debug_write_type (info, fns, fhandle, n->u.tag, n)) |
| 2379 | return FALSE; |
| 2380 | return (*fns->tag) (fhandle, n->name); |
| 2381 | case DEBUG_OBJECT_VARIABLE: |
| 2382 | if (! debug_write_type (info, fns, fhandle, n->u.variable->type, |
| 2383 | (struct debug_name *) NULL)) |
| 2384 | return FALSE; |
| 2385 | return (*fns->variable) (fhandle, n->name, n->u.variable->kind, |
| 2386 | n->u.variable->val); |
| 2387 | case DEBUG_OBJECT_FUNCTION: |
| 2388 | return debug_write_function (info, fns, fhandle, n->name, |
| 2389 | n->linkage, n->u.function); |
| 2390 | case DEBUG_OBJECT_INT_CONSTANT: |
| 2391 | return (*fns->int_constant) (fhandle, n->name, n->u.int_constant); |
| 2392 | case DEBUG_OBJECT_FLOAT_CONSTANT: |
| 2393 | return (*fns->float_constant) (fhandle, n->name, n->u.float_constant); |
| 2394 | case DEBUG_OBJECT_TYPED_CONSTANT: |
| 2395 | if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type, |
| 2396 | (struct debug_name *) NULL)) |
| 2397 | return FALSE; |
| 2398 | return (*fns->typed_constant) (fhandle, n->name, |
| 2399 | n->u.typed_constant->val); |
| 2400 | default: |
| 2401 | abort (); |
| 2402 | return FALSE; |
| 2403 | } |
| 2404 | /*NOTREACHED*/ |
| 2405 | } |
| 2406 | |
| 2407 | /* Write out a type. If the type is DEBUG_KIND_NAMED or |
| 2408 | DEBUG_KIND_TAGGED, then the name argument is the name for which we |
| 2409 | are about to call typedef or tag. If the type is anything else, |
| 2410 | then the name argument is a tag from a DEBUG_KIND_TAGGED type which |
| 2411 | points to this one. */ |
| 2412 | |
| 2413 | static bfd_boolean |
| 2414 | debug_write_type (struct debug_handle *info, |
| 2415 | const struct debug_write_fns *fns, void *fhandle, |
| 2416 | struct debug_type_s *type, struct debug_name *name) |
| 2417 | { |
| 2418 | unsigned int i; |
| 2419 | int is; |
| 2420 | const char *tag = NULL; |
| 2421 | |
| 2422 | /* If we have a name for this type, just output it. We only output |
| 2423 | typedef names after they have been defined. We output type tags |
| 2424 | whenever we are not actually defining them. */ |
| 2425 | if ((type->kind == DEBUG_KIND_NAMED |
| 2426 | || type->kind == DEBUG_KIND_TAGGED) |
| 2427 | && (type->u.knamed->name->mark == info->mark |
| 2428 | || (type->kind == DEBUG_KIND_TAGGED |
| 2429 | && type->u.knamed->name != name))) |
| 2430 | { |
| 2431 | if (type->kind == DEBUG_KIND_NAMED) |
| 2432 | return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); |
| 2433 | else |
| 2434 | { |
| 2435 | struct debug_type_s *real; |
| 2436 | unsigned int id; |
| 2437 | |
| 2438 | real = debug_get_real_type ((void *) info, type, NULL); |
| 2439 | if (real == NULL) |
| 2440 | return (*fns->empty_type) (fhandle); |
| 2441 | id = 0; |
| 2442 | if ((real->kind == DEBUG_KIND_STRUCT |
| 2443 | || real->kind == DEBUG_KIND_UNION |
| 2444 | || real->kind == DEBUG_KIND_CLASS |
| 2445 | || real->kind == DEBUG_KIND_UNION_CLASS) |
| 2446 | && real->u.kclass != NULL) |
| 2447 | { |
| 2448 | if (real->u.kclass->id <= info->base_id) |
| 2449 | { |
| 2450 | if (! debug_set_class_id (info, |
| 2451 | type->u.knamed->name->name, |
| 2452 | real)) |
| 2453 | return FALSE; |
| 2454 | } |
| 2455 | id = real->u.kclass->id; |
| 2456 | } |
| 2457 | |
| 2458 | return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id, |
| 2459 | real->kind); |
| 2460 | } |
| 2461 | } |
| 2462 | |
| 2463 | /* Mark the name after we have already looked for a known name, so |
| 2464 | that we don't just define a type in terms of itself. We need to |
| 2465 | mark the name here so that a struct containing a pointer to |
| 2466 | itself will work. */ |
| 2467 | if (name != NULL) |
| 2468 | name->mark = info->mark; |
| 2469 | |
| 2470 | if (name != NULL |
| 2471 | && type->kind != DEBUG_KIND_NAMED |
| 2472 | && type->kind != DEBUG_KIND_TAGGED) |
| 2473 | { |
| 2474 | assert (name->kind == DEBUG_OBJECT_TAG); |
| 2475 | tag = name->name; |
| 2476 | } |
| 2477 | |
| 2478 | switch (type->kind) |
| 2479 | { |
| 2480 | case DEBUG_KIND_ILLEGAL: |
| 2481 | debug_error (_("debug_write_type: illegal type encountered")); |
| 2482 | return FALSE; |
| 2483 | case DEBUG_KIND_INDIRECT: |
| 2484 | if (*type->u.kindirect->slot == DEBUG_TYPE_NULL) |
| 2485 | return (*fns->empty_type) (fhandle); |
| 2486 | return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, |
| 2487 | name); |
| 2488 | case DEBUG_KIND_VOID: |
| 2489 | return (*fns->void_type) (fhandle); |
| 2490 | case DEBUG_KIND_INT: |
| 2491 | return (*fns->int_type) (fhandle, type->size, type->u.kint); |
| 2492 | case DEBUG_KIND_FLOAT: |
| 2493 | return (*fns->float_type) (fhandle, type->size); |
| 2494 | case DEBUG_KIND_COMPLEX: |
| 2495 | return (*fns->complex_type) (fhandle, type->size); |
| 2496 | case DEBUG_KIND_BOOL: |
| 2497 | return (*fns->bool_type) (fhandle, type->size); |
| 2498 | case DEBUG_KIND_STRUCT: |
| 2499 | case DEBUG_KIND_UNION: |
| 2500 | if (type->u.kclass != NULL) |
| 2501 | { |
| 2502 | if (type->u.kclass->id <= info->base_id) |
| 2503 | { |
| 2504 | if (! debug_set_class_id (info, tag, type)) |
| 2505 | return FALSE; |
| 2506 | } |
| 2507 | |
| 2508 | if (info->mark == type->u.kclass->mark) |
| 2509 | { |
| 2510 | /* We are currently outputting this struct, or we have |
| 2511 | already output it. I don't know if this can happen, |
| 2512 | but it can happen for a class. */ |
| 2513 | assert (type->u.kclass->id > info->base_id); |
| 2514 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
| 2515 | type->kind); |
| 2516 | } |
| 2517 | type->u.kclass->mark = info->mark; |
| 2518 | } |
| 2519 | |
| 2520 | if (! (*fns->start_struct_type) (fhandle, tag, |
| 2521 | (type->u.kclass != NULL |
| 2522 | ? type->u.kclass->id |
| 2523 | : 0), |
| 2524 | type->kind == DEBUG_KIND_STRUCT, |
| 2525 | type->size)) |
| 2526 | return FALSE; |
| 2527 | if (type->u.kclass != NULL |
| 2528 | && type->u.kclass->fields != NULL) |
| 2529 | { |
| 2530 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) |
| 2531 | { |
| 2532 | struct debug_field_s *f; |
| 2533 | |
| 2534 | f = type->u.kclass->fields[i]; |
| 2535 | if (! debug_write_type (info, fns, fhandle, f->type, |
| 2536 | (struct debug_name *) NULL) |
| 2537 | || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
| 2538 | f->u.f.bitsize, f->visibility)) |
| 2539 | return FALSE; |
| 2540 | } |
| 2541 | } |
| 2542 | return (*fns->end_struct_type) (fhandle); |
| 2543 | case DEBUG_KIND_CLASS: |
| 2544 | case DEBUG_KIND_UNION_CLASS: |
| 2545 | return debug_write_class_type (info, fns, fhandle, type, tag); |
| 2546 | case DEBUG_KIND_ENUM: |
| 2547 | if (type->u.kenum == NULL) |
| 2548 | return (*fns->enum_type) (fhandle, tag, (const char **) NULL, |
| 2549 | (bfd_signed_vma *) NULL); |
| 2550 | return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, |
| 2551 | type->u.kenum->values); |
| 2552 | case DEBUG_KIND_POINTER: |
| 2553 | if (! debug_write_type (info, fns, fhandle, type->u.kpointer, |
| 2554 | (struct debug_name *) NULL)) |
| 2555 | return FALSE; |
| 2556 | return (*fns->pointer_type) (fhandle); |
| 2557 | case DEBUG_KIND_FUNCTION: |
| 2558 | if (! debug_write_type (info, fns, fhandle, |
| 2559 | type->u.kfunction->return_type, |
| 2560 | (struct debug_name *) NULL)) |
| 2561 | return FALSE; |
| 2562 | if (type->u.kfunction->arg_types == NULL) |
| 2563 | is = -1; |
| 2564 | else |
| 2565 | { |
| 2566 | for (is = 0; type->u.kfunction->arg_types[is] != NULL; is++) |
| 2567 | if (! debug_write_type (info, fns, fhandle, |
| 2568 | type->u.kfunction->arg_types[is], |
| 2569 | (struct debug_name *) NULL)) |
| 2570 | return FALSE; |
| 2571 | } |
| 2572 | return (*fns->function_type) (fhandle, is, |
| 2573 | type->u.kfunction->varargs); |
| 2574 | case DEBUG_KIND_REFERENCE: |
| 2575 | if (! debug_write_type (info, fns, fhandle, type->u.kreference, |
| 2576 | (struct debug_name *) NULL)) |
| 2577 | return FALSE; |
| 2578 | return (*fns->reference_type) (fhandle); |
| 2579 | case DEBUG_KIND_RANGE: |
| 2580 | if (! debug_write_type (info, fns, fhandle, type->u.krange->type, |
| 2581 | (struct debug_name *) NULL)) |
| 2582 | return FALSE; |
| 2583 | return (*fns->range_type) (fhandle, type->u.krange->lower, |
| 2584 | type->u.krange->upper); |
| 2585 | case DEBUG_KIND_ARRAY: |
| 2586 | if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, |
| 2587 | (struct debug_name *) NULL) |
| 2588 | || ! debug_write_type (info, fns, fhandle, |
| 2589 | type->u.karray->range_type, |
| 2590 | (struct debug_name *) NULL)) |
| 2591 | return FALSE; |
| 2592 | return (*fns->array_type) (fhandle, type->u.karray->lower, |
| 2593 | type->u.karray->upper, |
| 2594 | type->u.karray->stringp); |
| 2595 | case DEBUG_KIND_SET: |
| 2596 | if (! debug_write_type (info, fns, fhandle, type->u.kset->type, |
| 2597 | (struct debug_name *) NULL)) |
| 2598 | return FALSE; |
| 2599 | return (*fns->set_type) (fhandle, type->u.kset->bitstringp); |
| 2600 | case DEBUG_KIND_OFFSET: |
| 2601 | if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, |
| 2602 | (struct debug_name *) NULL) |
| 2603 | || ! debug_write_type (info, fns, fhandle, |
| 2604 | type->u.koffset->target_type, |
| 2605 | (struct debug_name *) NULL)) |
| 2606 | return FALSE; |
| 2607 | return (*fns->offset_type) (fhandle); |
| 2608 | case DEBUG_KIND_METHOD: |
| 2609 | if (! debug_write_type (info, fns, fhandle, |
| 2610 | type->u.kmethod->return_type, |
| 2611 | (struct debug_name *) NULL)) |
| 2612 | return FALSE; |
| 2613 | if (type->u.kmethod->arg_types == NULL) |
| 2614 | is = -1; |
| 2615 | else |
| 2616 | { |
| 2617 | for (is = 0; type->u.kmethod->arg_types[is] != NULL; is++) |
| 2618 | if (! debug_write_type (info, fns, fhandle, |
| 2619 | type->u.kmethod->arg_types[is], |
| 2620 | (struct debug_name *) NULL)) |
| 2621 | return FALSE; |
| 2622 | } |
| 2623 | if (type->u.kmethod->domain_type != NULL) |
| 2624 | { |
| 2625 | if (! debug_write_type (info, fns, fhandle, |
| 2626 | type->u.kmethod->domain_type, |
| 2627 | (struct debug_name *) NULL)) |
| 2628 | return FALSE; |
| 2629 | } |
| 2630 | return (*fns->method_type) (fhandle, |
| 2631 | type->u.kmethod->domain_type != NULL, |
| 2632 | is, |
| 2633 | type->u.kmethod->varargs); |
| 2634 | case DEBUG_KIND_CONST: |
| 2635 | if (! debug_write_type (info, fns, fhandle, type->u.kconst, |
| 2636 | (struct debug_name *) NULL)) |
| 2637 | return FALSE; |
| 2638 | return (*fns->const_type) (fhandle); |
| 2639 | case DEBUG_KIND_VOLATILE: |
| 2640 | if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, |
| 2641 | (struct debug_name *) NULL)) |
| 2642 | return FALSE; |
| 2643 | return (*fns->volatile_type) (fhandle); |
| 2644 | case DEBUG_KIND_NAMED: |
| 2645 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
| 2646 | (struct debug_name *) NULL); |
| 2647 | case DEBUG_KIND_TAGGED: |
| 2648 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
| 2649 | type->u.knamed->name); |
| 2650 | default: |
| 2651 | abort (); |
| 2652 | return FALSE; |
| 2653 | } |
| 2654 | } |
| 2655 | |
| 2656 | /* Write out a class type. */ |
| 2657 | |
| 2658 | static bfd_boolean |
| 2659 | debug_write_class_type (struct debug_handle *info, |
| 2660 | const struct debug_write_fns *fns, void *fhandle, |
| 2661 | struct debug_type_s *type, const char *tag) |
| 2662 | { |
| 2663 | unsigned int i; |
| 2664 | unsigned int id; |
| 2665 | struct debug_type_s *vptrbase; |
| 2666 | |
| 2667 | if (type->u.kclass == NULL) |
| 2668 | { |
| 2669 | id = 0; |
| 2670 | vptrbase = NULL; |
| 2671 | } |
| 2672 | else |
| 2673 | { |
| 2674 | if (type->u.kclass->id <= info->base_id) |
| 2675 | { |
| 2676 | if (! debug_set_class_id (info, tag, type)) |
| 2677 | return FALSE; |
| 2678 | } |
| 2679 | |
| 2680 | if (info->mark == type->u.kclass->mark) |
| 2681 | { |
| 2682 | /* We are currently outputting this class, or we have |
| 2683 | already output it. This can happen when there are |
| 2684 | methods for an anonymous class. */ |
| 2685 | assert (type->u.kclass->id > info->base_id); |
| 2686 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
| 2687 | type->kind); |
| 2688 | } |
| 2689 | type->u.kclass->mark = info->mark; |
| 2690 | id = type->u.kclass->id; |
| 2691 | |
| 2692 | vptrbase = type->u.kclass->vptrbase; |
| 2693 | if (vptrbase != NULL && vptrbase != type) |
| 2694 | { |
| 2695 | if (! debug_write_type (info, fns, fhandle, vptrbase, |
| 2696 | (struct debug_name *) NULL)) |
| 2697 | return FALSE; |
| 2698 | } |
| 2699 | } |
| 2700 | |
| 2701 | if (! (*fns->start_class_type) (fhandle, tag, id, |
| 2702 | type->kind == DEBUG_KIND_CLASS, |
| 2703 | type->size, |
| 2704 | vptrbase != NULL, |
| 2705 | vptrbase == type)) |
| 2706 | return FALSE; |
| 2707 | |
| 2708 | if (type->u.kclass != NULL) |
| 2709 | { |
| 2710 | if (type->u.kclass->fields != NULL) |
| 2711 | { |
| 2712 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) |
| 2713 | { |
| 2714 | struct debug_field_s *f; |
| 2715 | |
| 2716 | f = type->u.kclass->fields[i]; |
| 2717 | if (! debug_write_type (info, fns, fhandle, f->type, |
| 2718 | (struct debug_name *) NULL)) |
| 2719 | return FALSE; |
| 2720 | if (f->static_member) |
| 2721 | { |
| 2722 | if (! (*fns->class_static_member) (fhandle, f->name, |
| 2723 | f->u.s.physname, |
| 2724 | f->visibility)) |
| 2725 | return FALSE; |
| 2726 | } |
| 2727 | else |
| 2728 | { |
| 2729 | if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
| 2730 | f->u.f.bitsize, f->visibility)) |
| 2731 | return FALSE; |
| 2732 | } |
| 2733 | } |
| 2734 | } |
| 2735 | |
| 2736 | if (type->u.kclass->baseclasses != NULL) |
| 2737 | { |
| 2738 | for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++) |
| 2739 | { |
| 2740 | struct debug_baseclass_s *b; |
| 2741 | |
| 2742 | b = type->u.kclass->baseclasses[i]; |
| 2743 | if (! debug_write_type (info, fns, fhandle, b->type, |
| 2744 | (struct debug_name *) NULL)) |
| 2745 | return FALSE; |
| 2746 | if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->is_virtual, |
| 2747 | b->visibility)) |
| 2748 | return FALSE; |
| 2749 | } |
| 2750 | } |
| 2751 | |
| 2752 | if (type->u.kclass->methods != NULL) |
| 2753 | { |
| 2754 | for (i = 0; type->u.kclass->methods[i] != NULL; i++) |
| 2755 | { |
| 2756 | struct debug_method_s *m; |
| 2757 | unsigned int j; |
| 2758 | |
| 2759 | m = type->u.kclass->methods[i]; |
| 2760 | if (! (*fns->class_start_method) (fhandle, m->name)) |
| 2761 | return FALSE; |
| 2762 | for (j = 0; m->variants[j] != NULL; j++) |
| 2763 | { |
| 2764 | struct debug_method_variant_s *v; |
| 2765 | |
| 2766 | v = m->variants[j]; |
| 2767 | if (v->context != NULL) |
| 2768 | { |
| 2769 | if (! debug_write_type (info, fns, fhandle, v->context, |
| 2770 | (struct debug_name *) NULL)) |
| 2771 | return FALSE; |
| 2772 | } |
| 2773 | if (! debug_write_type (info, fns, fhandle, v->type, |
| 2774 | (struct debug_name *) NULL)) |
| 2775 | return FALSE; |
| 2776 | if (v->voffset != VOFFSET_STATIC_METHOD) |
| 2777 | { |
| 2778 | if (! (*fns->class_method_variant) (fhandle, v->physname, |
| 2779 | v->visibility, |
| 2780 | v->constp, |
| 2781 | v->volatilep, |
| 2782 | v->voffset, |
| 2783 | v->context != NULL)) |
| 2784 | return FALSE; |
| 2785 | } |
| 2786 | else |
| 2787 | { |
| 2788 | if (! (*fns->class_static_method_variant) (fhandle, |
| 2789 | v->physname, |
| 2790 | v->visibility, |
| 2791 | v->constp, |
| 2792 | v->volatilep)) |
| 2793 | return FALSE; |
| 2794 | } |
| 2795 | } |
| 2796 | if (! (*fns->class_end_method) (fhandle)) |
| 2797 | return FALSE; |
| 2798 | } |
| 2799 | } |
| 2800 | } |
| 2801 | |
| 2802 | return (*fns->end_class_type) (fhandle); |
| 2803 | } |
| 2804 | |
| 2805 | /* Write out information for a function. */ |
| 2806 | |
| 2807 | static bfd_boolean |
| 2808 | debug_write_function (struct debug_handle *info, |
| 2809 | const struct debug_write_fns *fns, void *fhandle, |
| 2810 | const char *name, enum debug_object_linkage linkage, |
| 2811 | struct debug_function *function) |
| 2812 | { |
| 2813 | struct debug_parameter *p; |
| 2814 | struct debug_block *b; |
| 2815 | |
| 2816 | if (! debug_write_linenos (info, fns, fhandle, function->blocks->start)) |
| 2817 | return FALSE; |
| 2818 | |
| 2819 | if (! debug_write_type (info, fns, fhandle, function->return_type, |
| 2820 | (struct debug_name *) NULL)) |
| 2821 | return FALSE; |
| 2822 | |
| 2823 | if (! (*fns->start_function) (fhandle, name, |
| 2824 | linkage == DEBUG_LINKAGE_GLOBAL)) |
| 2825 | return FALSE; |
| 2826 | |
| 2827 | for (p = function->parameters; p != NULL; p = p->next) |
| 2828 | { |
| 2829 | if (! debug_write_type (info, fns, fhandle, p->type, |
| 2830 | (struct debug_name *) NULL) |
| 2831 | || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) |
| 2832 | return FALSE; |
| 2833 | } |
| 2834 | |
| 2835 | for (b = function->blocks; b != NULL; b = b->next) |
| 2836 | { |
| 2837 | if (! debug_write_block (info, fns, fhandle, b)) |
| 2838 | return FALSE; |
| 2839 | } |
| 2840 | |
| 2841 | return (*fns->end_function) (fhandle); |
| 2842 | } |
| 2843 | |
| 2844 | /* Write out information for a block. */ |
| 2845 | |
| 2846 | static bfd_boolean |
| 2847 | debug_write_block (struct debug_handle *info, |
| 2848 | const struct debug_write_fns *fns, void *fhandle, |
| 2849 | struct debug_block *block) |
| 2850 | { |
| 2851 | struct debug_name *n; |
| 2852 | struct debug_block *b; |
| 2853 | |
| 2854 | if (! debug_write_linenos (info, fns, fhandle, block->start)) |
| 2855 | return FALSE; |
| 2856 | |
| 2857 | /* I can't see any point to writing out a block with no local |
| 2858 | variables, so we don't bother, except for the top level block. */ |
| 2859 | if (block->locals != NULL || block->parent == NULL) |
| 2860 | { |
| 2861 | if (! (*fns->start_block) (fhandle, block->start)) |
| 2862 | return FALSE; |
| 2863 | } |
| 2864 | |
| 2865 | if (block->locals != NULL) |
| 2866 | { |
| 2867 | for (n = block->locals->list; n != NULL; n = n->next) |
| 2868 | { |
| 2869 | if (! debug_write_name (info, fns, fhandle, n)) |
| 2870 | return FALSE; |
| 2871 | } |
| 2872 | } |
| 2873 | |
| 2874 | for (b = block->children; b != NULL; b = b->next) |
| 2875 | { |
| 2876 | if (! debug_write_block (info, fns, fhandle, b)) |
| 2877 | return FALSE; |
| 2878 | } |
| 2879 | |
| 2880 | if (! debug_write_linenos (info, fns, fhandle, block->end)) |
| 2881 | return FALSE; |
| 2882 | |
| 2883 | if (block->locals != NULL || block->parent == NULL) |
| 2884 | { |
| 2885 | if (! (*fns->end_block) (fhandle, block->end)) |
| 2886 | return FALSE; |
| 2887 | } |
| 2888 | |
| 2889 | return TRUE; |
| 2890 | } |
| 2891 | |
| 2892 | /* Write out line number information up to ADDRESS. */ |
| 2893 | |
| 2894 | static bfd_boolean |
| 2895 | debug_write_linenos (struct debug_handle *info, |
| 2896 | const struct debug_write_fns *fns, void *fhandle, |
| 2897 | bfd_vma address) |
| 2898 | { |
| 2899 | while (info->current_write_lineno != NULL) |
| 2900 | { |
| 2901 | struct debug_lineno *l; |
| 2902 | |
| 2903 | l = info->current_write_lineno; |
| 2904 | |
| 2905 | while (info->current_write_lineno_index < DEBUG_LINENO_COUNT) |
| 2906 | { |
| 2907 | if (l->linenos[info->current_write_lineno_index] |
| 2908 | == (unsigned long) -1) |
| 2909 | break; |
| 2910 | |
| 2911 | if (l->addrs[info->current_write_lineno_index] >= address) |
| 2912 | return TRUE; |
| 2913 | |
| 2914 | if (! (*fns->lineno) (fhandle, l->file->filename, |
| 2915 | l->linenos[info->current_write_lineno_index], |
| 2916 | l->addrs[info->current_write_lineno_index])) |
| 2917 | return FALSE; |
| 2918 | |
| 2919 | ++info->current_write_lineno_index; |
| 2920 | } |
| 2921 | |
| 2922 | info->current_write_lineno = l->next; |
| 2923 | info->current_write_lineno_index = 0; |
| 2924 | } |
| 2925 | |
| 2926 | return TRUE; |
| 2927 | } |
| 2928 | |
| 2929 | /* Get the ID number for a class. If during the same call to |
| 2930 | debug_write we find a struct with the same definition with the same |
| 2931 | name, we use the same ID. This type of things happens because the |
| 2932 | same struct will be defined by multiple compilation units. */ |
| 2933 | |
| 2934 | static bfd_boolean |
| 2935 | debug_set_class_id (struct debug_handle *info, const char *tag, |
| 2936 | struct debug_type_s *type) |
| 2937 | { |
| 2938 | struct debug_class_type *c; |
| 2939 | struct debug_class_id *l; |
| 2940 | |
| 2941 | assert (type->kind == DEBUG_KIND_STRUCT |
| 2942 | || type->kind == DEBUG_KIND_UNION |
| 2943 | || type->kind == DEBUG_KIND_CLASS |
| 2944 | || type->kind == DEBUG_KIND_UNION_CLASS); |
| 2945 | |
| 2946 | c = type->u.kclass; |
| 2947 | |
| 2948 | if (c->id > info->base_id) |
| 2949 | return TRUE; |
| 2950 | |
| 2951 | for (l = info->id_list; l != NULL; l = l->next) |
| 2952 | { |
| 2953 | if (l->type->kind != type->kind) |
| 2954 | continue; |
| 2955 | |
| 2956 | if (tag == NULL) |
| 2957 | { |
| 2958 | if (l->tag != NULL) |
| 2959 | continue; |
| 2960 | } |
| 2961 | else |
| 2962 | { |
| 2963 | if (l->tag == NULL |
| 2964 | || l->tag[0] != tag[0] |
| 2965 | || strcmp (l->tag, tag) != 0) |
| 2966 | continue; |
| 2967 | } |
| 2968 | |
| 2969 | if (debug_type_samep (info, l->type, type)) |
| 2970 | { |
| 2971 | c->id = l->type->u.kclass->id; |
| 2972 | return TRUE; |
| 2973 | } |
| 2974 | } |
| 2975 | |
| 2976 | /* There are no identical types. Use a new ID, and add it to the |
| 2977 | list. */ |
| 2978 | ++info->class_id; |
| 2979 | c->id = info->class_id; |
| 2980 | |
| 2981 | l = (struct debug_class_id *) xmalloc (sizeof *l); |
| 2982 | memset (l, 0, sizeof *l); |
| 2983 | |
| 2984 | l->type = type; |
| 2985 | l->tag = tag; |
| 2986 | |
| 2987 | l->next = info->id_list; |
| 2988 | info->id_list = l; |
| 2989 | |
| 2990 | return TRUE; |
| 2991 | } |
| 2992 | |
| 2993 | /* See if two types are the same. At this point, we don't care about |
| 2994 | tags and the like. */ |
| 2995 | |
| 2996 | static bfd_boolean |
| 2997 | debug_type_samep (struct debug_handle *info, struct debug_type_s *t1, |
| 2998 | struct debug_type_s *t2) |
| 2999 | { |
| 3000 | struct debug_type_compare_list *l; |
| 3001 | struct debug_type_compare_list top; |
| 3002 | bfd_boolean ret; |
| 3003 | |
| 3004 | if (t1 == NULL) |
| 3005 | return t2 == NULL; |
| 3006 | if (t2 == NULL) |
| 3007 | return FALSE; |
| 3008 | |
| 3009 | while (t1->kind == DEBUG_KIND_INDIRECT) |
| 3010 | { |
| 3011 | t1 = *t1->u.kindirect->slot; |
| 3012 | if (t1 == NULL) |
| 3013 | return FALSE; |
| 3014 | } |
| 3015 | while (t2->kind == DEBUG_KIND_INDIRECT) |
| 3016 | { |
| 3017 | t2 = *t2->u.kindirect->slot; |
| 3018 | if (t2 == NULL) |
| 3019 | return FALSE; |
| 3020 | } |
| 3021 | |
| 3022 | if (t1 == t2) |
| 3023 | return TRUE; |
| 3024 | |
| 3025 | /* As a special case, permit a typedef to match a tag, since C++ |
| 3026 | debugging output will sometimes add a typedef where C debugging |
| 3027 | output will not. */ |
| 3028 | if (t1->kind == DEBUG_KIND_NAMED |
| 3029 | && t2->kind == DEBUG_KIND_TAGGED) |
| 3030 | return debug_type_samep (info, t1->u.knamed->type, t2); |
| 3031 | else if (t1->kind == DEBUG_KIND_TAGGED |
| 3032 | && t2->kind == DEBUG_KIND_NAMED) |
| 3033 | return debug_type_samep (info, t1, t2->u.knamed->type); |
| 3034 | |
| 3035 | if (t1->kind != t2->kind |
| 3036 | || t1->size != t2->size) |
| 3037 | return FALSE; |
| 3038 | |
| 3039 | /* Get rid of the trivial cases first. */ |
| 3040 | switch (t1->kind) |
| 3041 | { |
| 3042 | default: |
| 3043 | break; |
| 3044 | case DEBUG_KIND_VOID: |
| 3045 | case DEBUG_KIND_FLOAT: |
| 3046 | case DEBUG_KIND_COMPLEX: |
| 3047 | case DEBUG_KIND_BOOL: |
| 3048 | return TRUE; |
| 3049 | case DEBUG_KIND_INT: |
| 3050 | return t1->u.kint == t2->u.kint; |
| 3051 | } |
| 3052 | |
| 3053 | /* We have to avoid an infinite recursion. We do this by keeping a |
| 3054 | list of types which we are comparing. We just keep the list on |
| 3055 | the stack. If we encounter a pair of types we are currently |
| 3056 | comparing, we just assume that they are equal. */ |
| 3057 | for (l = info->compare_list; l != NULL; l = l->next) |
| 3058 | { |
| 3059 | if (l->t1 == t1 && l->t2 == t2) |
| 3060 | return TRUE; |
| 3061 | } |
| 3062 | |
| 3063 | top.t1 = t1; |
| 3064 | top.t2 = t2; |
| 3065 | top.next = info->compare_list; |
| 3066 | info->compare_list = ⊤ |
| 3067 | |
| 3068 | switch (t1->kind) |
| 3069 | { |
| 3070 | default: |
| 3071 | abort (); |
| 3072 | ret = FALSE; |
| 3073 | break; |
| 3074 | |
| 3075 | case DEBUG_KIND_STRUCT: |
| 3076 | case DEBUG_KIND_UNION: |
| 3077 | case DEBUG_KIND_CLASS: |
| 3078 | case DEBUG_KIND_UNION_CLASS: |
| 3079 | if (t1->u.kclass == NULL) |
| 3080 | ret = t2->u.kclass == NULL; |
| 3081 | else if (t2->u.kclass == NULL) |
| 3082 | ret = FALSE; |
| 3083 | else if (t1->u.kclass->id > info->base_id |
| 3084 | && t1->u.kclass->id == t2->u.kclass->id) |
| 3085 | ret = TRUE; |
| 3086 | else |
| 3087 | ret = debug_class_type_samep (info, t1, t2); |
| 3088 | break; |
| 3089 | |
| 3090 | case DEBUG_KIND_ENUM: |
| 3091 | if (t1->u.kenum == NULL) |
| 3092 | ret = t2->u.kenum == NULL; |
| 3093 | else if (t2->u.kenum == NULL) |
| 3094 | ret = FALSE; |
| 3095 | else |
| 3096 | { |
| 3097 | const char **pn1, **pn2; |
| 3098 | bfd_signed_vma *pv1, *pv2; |
| 3099 | |
| 3100 | pn1 = t1->u.kenum->names; |
| 3101 | pn2 = t2->u.kenum->names; |
| 3102 | pv1 = t1->u.kenum->values; |
| 3103 | pv2 = t2->u.kenum->values; |
| 3104 | while (*pn1 != NULL && *pn2 != NULL) |
| 3105 | { |
| 3106 | if (**pn1 != **pn2 |
| 3107 | || *pv1 != *pv2 |
| 3108 | || strcmp (*pn1, *pn2) != 0) |
| 3109 | break; |
| 3110 | ++pn1; |
| 3111 | ++pn2; |
| 3112 | ++pv1; |
| 3113 | ++pv2; |
| 3114 | } |
| 3115 | ret = *pn1 == NULL && *pn2 == NULL; |
| 3116 | } |
| 3117 | break; |
| 3118 | |
| 3119 | case DEBUG_KIND_POINTER: |
| 3120 | ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer); |
| 3121 | break; |
| 3122 | |
| 3123 | case DEBUG_KIND_FUNCTION: |
| 3124 | if (t1->u.kfunction->varargs != t2->u.kfunction->varargs |
| 3125 | || ! debug_type_samep (info, t1->u.kfunction->return_type, |
| 3126 | t2->u.kfunction->return_type) |
| 3127 | || ((t1->u.kfunction->arg_types == NULL) |
| 3128 | != (t2->u.kfunction->arg_types == NULL))) |
| 3129 | ret = FALSE; |
| 3130 | else if (t1->u.kfunction->arg_types == NULL) |
| 3131 | ret = TRUE; |
| 3132 | else |
| 3133 | { |
| 3134 | struct debug_type_s **a1, **a2; |
| 3135 | |
| 3136 | a1 = t1->u.kfunction->arg_types; |
| 3137 | a2 = t2->u.kfunction->arg_types; |
| 3138 | while (*a1 != NULL && *a2 != NULL) |
| 3139 | { |
| 3140 | if (! debug_type_samep (info, *a1, *a2)) |
| 3141 | break; |
| 3142 | ++a1; |
| 3143 | ++a2; |
| 3144 | } |
| 3145 | ret = *a1 == NULL && *a2 == NULL; |
| 3146 | } |
| 3147 | break; |
| 3148 | |
| 3149 | case DEBUG_KIND_REFERENCE: |
| 3150 | ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference); |
| 3151 | break; |
| 3152 | |
| 3153 | case DEBUG_KIND_RANGE: |
| 3154 | ret = (t1->u.krange->lower == t2->u.krange->lower |
| 3155 | && t1->u.krange->upper == t2->u.krange->upper |
| 3156 | && debug_type_samep (info, t1->u.krange->type, |
| 3157 | t2->u.krange->type)); |
| 3158 | break; |
| 3159 | |
| 3160 | case DEBUG_KIND_ARRAY: |
| 3161 | ret = (t1->u.karray->lower == t2->u.karray->lower |
| 3162 | && t1->u.karray->upper == t2->u.karray->upper |
| 3163 | && t1->u.karray->stringp == t2->u.karray->stringp |
| 3164 | && debug_type_samep (info, t1->u.karray->element_type, |
| 3165 | t2->u.karray->element_type)); |
| 3166 | break; |
| 3167 | |
| 3168 | case DEBUG_KIND_SET: |
| 3169 | ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp |
| 3170 | && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type)); |
| 3171 | break; |
| 3172 | |
| 3173 | case DEBUG_KIND_OFFSET: |
| 3174 | ret = (debug_type_samep (info, t1->u.koffset->base_type, |
| 3175 | t2->u.koffset->base_type) |
| 3176 | && debug_type_samep (info, t1->u.koffset->target_type, |
| 3177 | t2->u.koffset->target_type)); |
| 3178 | break; |
| 3179 | |
| 3180 | case DEBUG_KIND_METHOD: |
| 3181 | if (t1->u.kmethod->varargs != t2->u.kmethod->varargs |
| 3182 | || ! debug_type_samep (info, t1->u.kmethod->return_type, |
| 3183 | t2->u.kmethod->return_type) |
| 3184 | || ! debug_type_samep (info, t1->u.kmethod->domain_type, |
| 3185 | t2->u.kmethod->domain_type) |
| 3186 | || ((t1->u.kmethod->arg_types == NULL) |
| 3187 | != (t2->u.kmethod->arg_types == NULL))) |
| 3188 | ret = FALSE; |
| 3189 | else if (t1->u.kmethod->arg_types == NULL) |
| 3190 | ret = TRUE; |
| 3191 | else |
| 3192 | { |
| 3193 | struct debug_type_s **a1, **a2; |
| 3194 | |
| 3195 | a1 = t1->u.kmethod->arg_types; |
| 3196 | a2 = t2->u.kmethod->arg_types; |
| 3197 | while (*a1 != NULL && *a2 != NULL) |
| 3198 | { |
| 3199 | if (! debug_type_samep (info, *a1, *a2)) |
| 3200 | break; |
| 3201 | ++a1; |
| 3202 | ++a2; |
| 3203 | } |
| 3204 | ret = *a1 == NULL && *a2 == NULL; |
| 3205 | } |
| 3206 | break; |
| 3207 | |
| 3208 | case DEBUG_KIND_CONST: |
| 3209 | ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst); |
| 3210 | break; |
| 3211 | |
| 3212 | case DEBUG_KIND_VOLATILE: |
| 3213 | ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile); |
| 3214 | break; |
| 3215 | |
| 3216 | case DEBUG_KIND_NAMED: |
| 3217 | case DEBUG_KIND_TAGGED: |
| 3218 | ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0 |
| 3219 | && debug_type_samep (info, t1->u.knamed->type, |
| 3220 | t2->u.knamed->type)); |
| 3221 | break; |
| 3222 | } |
| 3223 | |
| 3224 | info->compare_list = top.next; |
| 3225 | |
| 3226 | return ret; |
| 3227 | } |
| 3228 | |
| 3229 | /* See if two classes are the same. This is a subroutine of |
| 3230 | debug_type_samep. */ |
| 3231 | |
| 3232 | static bfd_boolean |
| 3233 | debug_class_type_samep (struct debug_handle *info, struct debug_type_s *t1, |
| 3234 | struct debug_type_s *t2) |
| 3235 | { |
| 3236 | struct debug_class_type *c1, *c2; |
| 3237 | |
| 3238 | c1 = t1->u.kclass; |
| 3239 | c2 = t2->u.kclass; |
| 3240 | |
| 3241 | if ((c1->fields == NULL) != (c2->fields == NULL) |
| 3242 | || (c1->baseclasses == NULL) != (c2->baseclasses == NULL) |
| 3243 | || (c1->methods == NULL) != (c2->methods == NULL) |
| 3244 | || (c1->vptrbase == NULL) != (c2->vptrbase == NULL)) |
| 3245 | return FALSE; |
| 3246 | |
| 3247 | if (c1->fields != NULL) |
| 3248 | { |
| 3249 | struct debug_field_s **pf1, **pf2; |
| 3250 | |
| 3251 | for (pf1 = c1->fields, pf2 = c2->fields; |
| 3252 | *pf1 != NULL && *pf2 != NULL; |
| 3253 | pf1++, pf2++) |
| 3254 | { |
| 3255 | struct debug_field_s *f1, *f2; |
| 3256 | |
| 3257 | f1 = *pf1; |
| 3258 | f2 = *pf2; |
| 3259 | if (f1->name[0] != f2->name[0] |
| 3260 | || f1->visibility != f2->visibility |
| 3261 | || f1->static_member != f2->static_member) |
| 3262 | return FALSE; |
| 3263 | if (f1->static_member) |
| 3264 | { |
| 3265 | if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0) |
| 3266 | return FALSE; |
| 3267 | } |
| 3268 | else |
| 3269 | { |
| 3270 | if (f1->u.f.bitpos != f2->u.f.bitpos |
| 3271 | || f1->u.f.bitsize != f2->u.f.bitsize) |
| 3272 | return FALSE; |
| 3273 | } |
| 3274 | /* We do the checks which require function calls last. We |
| 3275 | don't require that the types of fields have the same |
| 3276 | names, since that sometimes fails in the presence of |
| 3277 | typedefs and we really don't care. */ |
| 3278 | if (strcmp (f1->name, f2->name) != 0 |
| 3279 | || ! debug_type_samep (info, |
| 3280 | debug_get_real_type ((void *) info, |
| 3281 | f1->type, NULL), |
| 3282 | debug_get_real_type ((void *) info, |
| 3283 | f2->type, NULL))) |
| 3284 | return FALSE; |
| 3285 | } |
| 3286 | if (*pf1 != NULL || *pf2 != NULL) |
| 3287 | return FALSE; |
| 3288 | } |
| 3289 | |
| 3290 | if (c1->vptrbase != NULL) |
| 3291 | { |
| 3292 | if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase)) |
| 3293 | return FALSE; |
| 3294 | } |
| 3295 | |
| 3296 | if (c1->baseclasses != NULL) |
| 3297 | { |
| 3298 | struct debug_baseclass_s **pb1, **pb2; |
| 3299 | |
| 3300 | for (pb1 = c1->baseclasses, pb2 = c2->baseclasses; |
| 3301 | *pb1 != NULL && *pb2 != NULL; |
| 3302 | ++pb1, ++pb2) |
| 3303 | { |
| 3304 | struct debug_baseclass_s *b1, *b2; |
| 3305 | |
| 3306 | b1 = *pb1; |
| 3307 | b2 = *pb2; |
| 3308 | if (b1->bitpos != b2->bitpos |
| 3309 | || b1->is_virtual != b2->is_virtual |
| 3310 | || b1->visibility != b2->visibility |
| 3311 | || ! debug_type_samep (info, b1->type, b2->type)) |
| 3312 | return FALSE; |
| 3313 | } |
| 3314 | if (*pb1 != NULL || *pb2 != NULL) |
| 3315 | return FALSE; |
| 3316 | } |
| 3317 | |
| 3318 | if (c1->methods != NULL) |
| 3319 | { |
| 3320 | struct debug_method_s **pm1, **pm2; |
| 3321 | |
| 3322 | for (pm1 = c1->methods, pm2 = c2->methods; |
| 3323 | *pm1 != NULL && *pm2 != NULL; |
| 3324 | ++pm1, ++pm2) |
| 3325 | { |
| 3326 | struct debug_method_s *m1, *m2; |
| 3327 | |
| 3328 | m1 = *pm1; |
| 3329 | m2 = *pm2; |
| 3330 | if (m1->name[0] != m2->name[0] |
| 3331 | || strcmp (m1->name, m2->name) != 0 |
| 3332 | || (m1->variants == NULL) != (m2->variants == NULL)) |
| 3333 | return FALSE; |
| 3334 | if (m1->variants == NULL) |
| 3335 | { |
| 3336 | struct debug_method_variant_s **pv1, **pv2; |
| 3337 | |
| 3338 | for (pv1 = m1->variants, pv2 = m2->variants; |
| 3339 | *pv1 != NULL && *pv2 != NULL; |
| 3340 | ++pv1, ++pv2) |
| 3341 | { |
| 3342 | struct debug_method_variant_s *v1, *v2; |
| 3343 | |
| 3344 | v1 = *pv1; |
| 3345 | v2 = *pv2; |
| 3346 | if (v1->physname[0] != v2->physname[0] |
| 3347 | || v1->visibility != v2->visibility |
| 3348 | || v1->constp != v2->constp |
| 3349 | || v1->volatilep != v2->volatilep |
| 3350 | || v1->voffset != v2->voffset |
| 3351 | || (v1->context == NULL) != (v2->context == NULL) |
| 3352 | || strcmp (v1->physname, v2->physname) != 0 |
| 3353 | || ! debug_type_samep (info, v1->type, v2->type)) |
| 3354 | return FALSE; |
| 3355 | if (v1->context != NULL) |
| 3356 | { |
| 3357 | if (! debug_type_samep (info, v1->context, |
| 3358 | v2->context)) |
| 3359 | return FALSE; |
| 3360 | } |
| 3361 | } |
| 3362 | if (*pv1 != NULL || *pv2 != NULL) |
| 3363 | return FALSE; |
| 3364 | } |
| 3365 | } |
| 3366 | if (*pm1 != NULL || *pm2 != NULL) |
| 3367 | return FALSE; |
| 3368 | } |
| 3369 | |
| 3370 | return TRUE; |
| 3371 | } |