1/* debug.c -- Handle generic debugging information. 2 Copyright (C) 1995-2020 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 39struct 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 71struct 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 87struct 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 99struct 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 147struct 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 157struct 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 179struct 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 190struct 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 202struct 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 214struct 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 230struct 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 240struct 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 250struct 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 264struct 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 274struct 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 304struct 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 318struct 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 329struct 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 353struct 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 366struct 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 379struct 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 395struct 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 406struct 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 426struct 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 442struct 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 452enum 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 472enum 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 487struct 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 522struct 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 535struct 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 547struct 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 557static void debug_error (const char *); 558static 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); 561static struct debug_name *debug_add_to_current_namespace 562 (struct debug_handle *, const char *, enum debug_object_kind, 563 enum debug_object_linkage); 564static struct debug_type_s *debug_make_type 565 (struct debug_handle *, enum debug_type_kind, unsigned int); 566static struct debug_type_s *debug_get_real_type 567 (void *, debug_type, struct debug_type_real_list *); 568static bfd_boolean debug_write_name 569 (struct debug_handle *, const struct debug_write_fns *, void *, 570 struct debug_name *); 571static bfd_boolean debug_write_type 572 (struct debug_handle *, const struct debug_write_fns *, void *, 573 struct debug_type_s *, struct debug_name *); 574static bfd_boolean debug_write_class_type 575 (struct debug_handle *, const struct debug_write_fns *, void *, 576 struct debug_type_s *, const char *); 577static 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 *); 580static bfd_boolean debug_write_block 581 (struct debug_handle *, const struct debug_write_fns *, void *, 582 struct debug_block *); 583static bfd_boolean debug_write_linenos 584 (struct debug_handle *, const struct debug_write_fns *, void *, bfd_vma); 585static bfd_boolean debug_set_class_id 586 (struct debug_handle *, const char *, struct debug_type_s *); 587static bfd_boolean debug_type_samep 588 (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); 589static bfd_boolean debug_class_type_samep 590 (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); 591 592/* Issue an error message. */ 593 594static void 595debug_error (const char *message) 596{ 597 fprintf (stderr, "%s\n", message); 598} 599 600/* Add an object to a namespace. */ 601 602static struct debug_name * 603debug_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 637static struct debug_name * 638debug_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} 658 659/* Return a handle for debugging information. */ 660 661void * 662debug_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 674bfd_boolean 675debug_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 715bfd_boolean 716debug_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 763bfd_boolean 764debug_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 819bfd_boolean 820debug_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 855bfd_boolean 856debug_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 887bfd_boolean 888debug_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 925bfd_boolean 926debug_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 955bfd_boolean 956debug_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 1012bfd_boolean 1013debug_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 1023bfd_boolean 1024debug_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 1034bfd_boolean 1035debug_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 1055bfd_boolean 1056debug_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 1076bfd_boolean 1077debug_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 1105bfd_boolean 1106debug_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 1118bfd_boolean 1119debug_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 1173static struct debug_type_s * 1174debug_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 1191debug_type 1192debug_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 1215debug_type 1216debug_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 1226debug_type 1227debug_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 1245debug_type 1246debug_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 1255debug_type 1256debug_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 1265debug_type 1266debug_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 1277debug_type 1278debug_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 1308debug_type 1309debug_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 1343debug_type 1344debug_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 1368debug_type 1369debug_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 1394debug_type 1395debug_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 1423debug_type 1424debug_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 1443debug_type 1444debug_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 1476debug_type 1477debug_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 1510debug_type 1511debug_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 1540debug_type 1541debug_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 1570debug_type 1571debug_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 1601debug_type 1602debug_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 1621debug_type 1622debug_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 1642debug_type 1643debug_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 1679debug_baseclass 1680debug_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 1703debug_field 1704debug_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 1729debug_field 1730debug_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 1751debug_method 1752debug_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 1775debug_method_variant 1776debug_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 1802debug_method_variant 1803debug_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 1825debug_type 1826debug_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 1871debug_type 1872debug_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 1924bfd_boolean 1925debug_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 1939debug_type 1940debug_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 1992debug_type 1993debug_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 2031static struct debug_type_s * 2032debug_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 2080enum debug_type_kind 2081debug_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 2093const char * 2094debug_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 2110bfd_vma 2111debug_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 2139debug_type 2140debug_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 2164const debug_type * 2165debug_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 2191debug_type 2192debug_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 2220const debug_field * 2221debug_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 2245debug_type 2246debug_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 2255const char * 2256debug_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 2265bfd_vma 2266debug_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 2275bfd_vma 2276debug_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 2285enum debug_visibility 2286debug_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 2295const char * 2296debug_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 2303/* Write out the debugging information. This is given a handle to 2304 debugging information, and a set of function pointers to call. */ 2305 2306bfd_boolean 2307debug_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 2365static bfd_boolean 2366debug_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 2413static bfd_boolean 2414debug_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 (type == DEBUG_TYPE_NULL) 2423 return (*fns->empty_type) (fhandle); 2424 2425 /* If we have a name for this type, just output it. We only output 2426 typedef names after they have been defined. We output type tags 2427 whenever we are not actually defining them. */ 2428 if ((type->kind == DEBUG_KIND_NAMED 2429 || type->kind == DEBUG_KIND_TAGGED) 2430 && (type->u.knamed->name->mark == info->mark 2431 || (type->kind == DEBUG_KIND_TAGGED 2432 && type->u.knamed->name != name))) 2433 { 2434 if (type->kind == DEBUG_KIND_NAMED) 2435 return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); 2436 else 2437 { 2438 struct debug_type_s *real; 2439 unsigned int id; 2440 2441 real = debug_get_real_type ((void *) info, type, NULL); 2442 if (real == NULL) 2443 return (*fns->empty_type) (fhandle); 2444 id = 0; 2445 if ((real->kind == DEBUG_KIND_STRUCT 2446 || real->kind == DEBUG_KIND_UNION 2447 || real->kind == DEBUG_KIND_CLASS 2448 || real->kind == DEBUG_KIND_UNION_CLASS) 2449 && real->u.kclass != NULL) 2450 { 2451 if (real->u.kclass->id <= info->base_id) 2452 { 2453 if (! debug_set_class_id (info, 2454 type->u.knamed->name->name, 2455 real)) 2456 return FALSE; 2457 } 2458 id = real->u.kclass->id; 2459 } 2460 2461 return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id, 2462 real->kind); 2463 } 2464 } 2465 2466 /* Mark the name after we have already looked for a known name, so 2467 that we don't just define a type in terms of itself. We need to 2468 mark the name here so that a struct containing a pointer to 2469 itself will work. */ 2470 if (name != NULL) 2471 name->mark = info->mark; 2472 2473 if (name != NULL 2474 && type->kind != DEBUG_KIND_NAMED 2475 && type->kind != DEBUG_KIND_TAGGED) 2476 { 2477 assert (name->kind == DEBUG_OBJECT_TAG); 2478 tag = name->name; 2479 } 2480 2481 switch (type->kind) 2482 { 2483 case DEBUG_KIND_ILLEGAL: 2484 debug_error (_("debug_write_type: illegal type encountered")); 2485 return FALSE; 2486 case DEBUG_KIND_INDIRECT: 2487 return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, 2488 name); 2489 case DEBUG_KIND_VOID: 2490 return (*fns->void_type) (fhandle); 2491 case DEBUG_KIND_INT: 2492 return (*fns->int_type) (fhandle, type->size, type->u.kint); 2493 case DEBUG_KIND_FLOAT: 2494 return (*fns->float_type) (fhandle, type->size); 2495 case DEBUG_KIND_COMPLEX: 2496 return (*fns->complex_type) (fhandle, type->size); 2497 case DEBUG_KIND_BOOL: 2498 return (*fns->bool_type) (fhandle, type->size); 2499 case DEBUG_KIND_STRUCT: 2500 case DEBUG_KIND_UNION: 2501 if (type->u.kclass != NULL) 2502 { 2503 if (type->u.kclass->id <= info->base_id) 2504 { 2505 if (! debug_set_class_id (info, tag, type)) 2506 return FALSE; 2507 } 2508 2509 if (info->mark == type->u.kclass->mark) 2510 { 2511 /* We are currently outputting this struct, or we have 2512 already output it. I don't know if this can happen, 2513 but it can happen for a class. */ 2514 assert (type->u.kclass->id > info->base_id); 2515 return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, 2516 type->kind); 2517 } 2518 type->u.kclass->mark = info->mark; 2519 } 2520 2521 if (! (*fns->start_struct_type) (fhandle, tag, 2522 (type->u.kclass != NULL 2523 ? type->u.kclass->id 2524 : 0), 2525 type->kind == DEBUG_KIND_STRUCT, 2526 type->size)) 2527 return FALSE; 2528 if (type->u.kclass != NULL 2529 && type->u.kclass->fields != NULL) 2530 { 2531 for (i = 0; type->u.kclass->fields[i] != NULL; i++) 2532 { 2533 struct debug_field_s *f; 2534 2535 f = type->u.kclass->fields[i]; 2536 if (! debug_write_type (info, fns, fhandle, f->type, 2537 (struct debug_name *) NULL) 2538 || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, 2539 f->u.f.bitsize, f->visibility)) 2540 return FALSE; 2541 } 2542 } 2543 return (*fns->end_struct_type) (fhandle); 2544 case DEBUG_KIND_CLASS: 2545 case DEBUG_KIND_UNION_CLASS: 2546 return debug_write_class_type (info, fns, fhandle, type, tag); 2547 case DEBUG_KIND_ENUM: 2548 if (type->u.kenum == NULL) 2549 return (*fns->enum_type) (fhandle, tag, (const char **) NULL, 2550 (bfd_signed_vma *) NULL); 2551 return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, 2552 type->u.kenum->values); 2553 case DEBUG_KIND_POINTER: 2554 if (! debug_write_type (info, fns, fhandle, type->u.kpointer, 2555 (struct debug_name *) NULL)) 2556 return FALSE; 2557 return (*fns->pointer_type) (fhandle); 2558 case DEBUG_KIND_FUNCTION: 2559 if (! debug_write_type (info, fns, fhandle, 2560 type->u.kfunction->return_type, 2561 (struct debug_name *) NULL)) 2562 return FALSE; 2563 if (type->u.kfunction->arg_types == NULL) 2564 is = -1; 2565 else 2566 { 2567 for (is = 0; type->u.kfunction->arg_types[is] != NULL; is++) 2568 if (! debug_write_type (info, fns, fhandle, 2569 type->u.kfunction->arg_types[is], 2570 (struct debug_name *) NULL)) 2571 return FALSE; 2572 } 2573 return (*fns->function_type) (fhandle, is, 2574 type->u.kfunction->varargs); 2575 case DEBUG_KIND_REFERENCE: 2576 if (! debug_write_type (info, fns, fhandle, type->u.kreference, 2577 (struct debug_name *) NULL)) 2578 return FALSE; 2579 return (*fns->reference_type) (fhandle); 2580 case DEBUG_KIND_RANGE: 2581 if (! debug_write_type (info, fns, fhandle, type->u.krange->type, 2582 (struct debug_name *) NULL)) 2583 return FALSE; 2584 return (*fns->range_type) (fhandle, type->u.krange->lower, 2585 type->u.krange->upper); 2586 case DEBUG_KIND_ARRAY: 2587 if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, 2588 (struct debug_name *) NULL) 2589 || ! debug_write_type (info, fns, fhandle, 2590 type->u.karray->range_type, 2591 (struct debug_name *) NULL)) 2592 return FALSE; 2593 return (*fns->array_type) (fhandle, type->u.karray->lower, 2594 type->u.karray->upper, 2595 type->u.karray->stringp); 2596 case DEBUG_KIND_SET: 2597 if (! debug_write_type (info, fns, fhandle, type->u.kset->type, 2598 (struct debug_name *) NULL)) 2599 return FALSE; 2600 return (*fns->set_type) (fhandle, type->u.kset->bitstringp); 2601 case DEBUG_KIND_OFFSET: 2602 if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, 2603 (struct debug_name *) NULL) 2604 || ! debug_write_type (info, fns, fhandle, 2605 type->u.koffset->target_type, 2606 (struct debug_name *) NULL)) 2607 return FALSE; 2608 return (*fns->offset_type) (fhandle); 2609 case DEBUG_KIND_METHOD: 2610 if (! debug_write_type (info, fns, fhandle, 2611 type->u.kmethod->return_type, 2612 (struct debug_name *) NULL)) 2613 return FALSE; 2614 if (type->u.kmethod->arg_types == NULL) 2615 is = -1; 2616 else 2617 { 2618 for (is = 0; type->u.kmethod->arg_types[is] != NULL; is++) 2619 if (! debug_write_type (info, fns, fhandle, 2620 type->u.kmethod->arg_types[is], 2621 (struct debug_name *) NULL)) 2622 return FALSE; 2623 } 2624 if (type->u.kmethod->domain_type != NULL) 2625 { 2626 if (! debug_write_type (info, fns, fhandle, 2627 type->u.kmethod->domain_type, 2628 (struct debug_name *) NULL)) 2629 return FALSE; 2630 } 2631 return (*fns->method_type) (fhandle, 2632 type->u.kmethod->domain_type != NULL, 2633 is, 2634 type->u.kmethod->varargs); 2635 case DEBUG_KIND_CONST: 2636 if (! debug_write_type (info, fns, fhandle, type->u.kconst, 2637 (struct debug_name *) NULL)) 2638 return FALSE; 2639 return (*fns->const_type) (fhandle); 2640 case DEBUG_KIND_VOLATILE: 2641 if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, 2642 (struct debug_name *) NULL)) 2643 return FALSE; 2644 return (*fns->volatile_type) (fhandle); 2645 case DEBUG_KIND_NAMED: 2646 return debug_write_type (info, fns, fhandle, type->u.knamed->type, 2647 (struct debug_name *) NULL); 2648 case DEBUG_KIND_TAGGED: 2649 return debug_write_type (info, fns, fhandle, type->u.knamed->type, 2650 type->u.knamed->name); 2651 default: 2652 abort (); 2653 return FALSE; 2654 } 2655} 2656 2657/* Write out a class type. */ 2658 2659static bfd_boolean 2660debug_write_class_type (struct debug_handle *info, 2661 const struct debug_write_fns *fns, void *fhandle, 2662 struct debug_type_s *type, const char *tag) 2663{ 2664 unsigned int i; 2665 unsigned int id; 2666 struct debug_type_s *vptrbase; 2667 2668 if (type->u.kclass == NULL) 2669 { 2670 id = 0; 2671 vptrbase = NULL; 2672 } 2673 else 2674 { 2675 if (type->u.kclass->id <= info->base_id) 2676 { 2677 if (! debug_set_class_id (info, tag, type)) 2678 return FALSE; 2679 } 2680 2681 if (info->mark == type->u.kclass->mark) 2682 { 2683 /* We are currently outputting this class, or we have 2684 already output it. This can happen when there are 2685 methods for an anonymous class. */ 2686 assert (type->u.kclass->id > info->base_id); 2687 return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, 2688 type->kind); 2689 } 2690 type->u.kclass->mark = info->mark; 2691 id = type->u.kclass->id; 2692 2693 vptrbase = type->u.kclass->vptrbase; 2694 if (vptrbase != NULL && vptrbase != type) 2695 { 2696 if (! debug_write_type (info, fns, fhandle, vptrbase, 2697 (struct debug_name *) NULL)) 2698 return FALSE; 2699 } 2700 } 2701 2702 if (! (*fns->start_class_type) (fhandle, tag, id, 2703 type->kind == DEBUG_KIND_CLASS, 2704 type->size, 2705 vptrbase != NULL, 2706 vptrbase == type)) 2707 return FALSE; 2708 2709 if (type->u.kclass != NULL) 2710 { 2711 if (type->u.kclass->fields != NULL) 2712 { 2713 for (i = 0; type->u.kclass->fields[i] != NULL; i++) 2714 { 2715 struct debug_field_s *f; 2716 2717 f = type->u.kclass->fields[i]; 2718 if (! debug_write_type (info, fns, fhandle, f->type, 2719 (struct debug_name *) NULL)) 2720 return FALSE; 2721 if (f->static_member) 2722 { 2723 if (! (*fns->class_static_member) (fhandle, f->name, 2724 f->u.s.physname, 2725 f->visibility)) 2726 return FALSE; 2727 } 2728 else 2729 { 2730 if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, 2731 f->u.f.bitsize, f->visibility)) 2732 return FALSE; 2733 } 2734 } 2735 } 2736 2737 if (type->u.kclass->baseclasses != NULL) 2738 { 2739 for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++) 2740 { 2741 struct debug_baseclass_s *b; 2742 2743 b = type->u.kclass->baseclasses[i]; 2744 if (! debug_write_type (info, fns, fhandle, b->type, 2745 (struct debug_name *) NULL)) 2746 return FALSE; 2747 if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->is_virtual, 2748 b->visibility)) 2749 return FALSE; 2750 } 2751 } 2752 2753 if (type->u.kclass->methods != NULL) 2754 { 2755 for (i = 0; type->u.kclass->methods[i] != NULL; i++) 2756 { 2757 struct debug_method_s *m; 2758 unsigned int j; 2759 2760 m = type->u.kclass->methods[i]; 2761 if (! (*fns->class_start_method) (fhandle, m->name)) 2762 return FALSE; 2763 for (j = 0; m->variants[j] != NULL; j++) 2764 { 2765 struct debug_method_variant_s *v; 2766 2767 v = m->variants[j]; 2768 if (v->context != NULL) 2769 { 2770 if (! debug_write_type (info, fns, fhandle, v->context, 2771 (struct debug_name *) NULL)) 2772 return FALSE; 2773 } 2774 if (! debug_write_type (info, fns, fhandle, v->type, 2775 (struct debug_name *) NULL)) 2776 return FALSE; 2777 if (v->voffset != VOFFSET_STATIC_METHOD) 2778 { 2779 if (! (*fns->class_method_variant) (fhandle, v->physname, 2780 v->visibility, 2781 v->constp, 2782 v->volatilep, 2783 v->voffset, 2784 v->context != NULL)) 2785 return FALSE; 2786 } 2787 else 2788 { 2789 if (! (*fns->class_static_method_variant) (fhandle, 2790 v->physname, 2791 v->visibility, 2792 v->constp, 2793 v->volatilep)) 2794 return FALSE; 2795 } 2796 } 2797 if (! (*fns->class_end_method) (fhandle)) 2798 return FALSE; 2799 } 2800 } 2801 } 2802 2803 return (*fns->end_class_type) (fhandle); 2804} 2805 2806/* Write out information for a function. */ 2807 2808static bfd_boolean 2809debug_write_function (struct debug_handle *info, 2810 const struct debug_write_fns *fns, void *fhandle, 2811 const char *name, enum debug_object_linkage linkage, 2812 struct debug_function *function) 2813{ 2814 struct debug_parameter *p; 2815 struct debug_block *b; 2816 2817 if (! debug_write_linenos (info, fns, fhandle, function->blocks->start)) 2818 return FALSE; 2819 2820 if (! debug_write_type (info, fns, fhandle, function->return_type, 2821 (struct debug_name *) NULL)) 2822 return FALSE; 2823 2824 if (! (*fns->start_function) (fhandle, name, 2825 linkage == DEBUG_LINKAGE_GLOBAL)) 2826 return FALSE; 2827 2828 for (p = function->parameters; p != NULL; p = p->next) 2829 { 2830 if (! debug_write_type (info, fns, fhandle, p->type, 2831 (struct debug_name *) NULL) 2832 || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) 2833 return FALSE; 2834 } 2835 2836 for (b = function->blocks; b != NULL; b = b->next) 2837 { 2838 if (! debug_write_block (info, fns, fhandle, b)) 2839 return FALSE; 2840 } 2841 2842 return (*fns->end_function) (fhandle); 2843} 2844 2845/* Write out information for a block. */ 2846 2847static bfd_boolean 2848debug_write_block (struct debug_handle *info, 2849 const struct debug_write_fns *fns, void *fhandle, 2850 struct debug_block *block) 2851{ 2852 struct debug_name *n; 2853 struct debug_block *b; 2854 2855 if (! debug_write_linenos (info, fns, fhandle, block->start)) 2856 return FALSE; 2857 2858 /* I can't see any point to writing out a block with no local 2859 variables, so we don't bother, except for the top level block. */ 2860 if (block->locals != NULL || block->parent == NULL) 2861 { 2862 if (! (*fns->start_block) (fhandle, block->start)) 2863 return FALSE; 2864 } 2865 2866 if (block->locals != NULL) 2867 { 2868 for (n = block->locals->list; n != NULL; n = n->next) 2869 { 2870 if (! debug_write_name (info, fns, fhandle, n)) 2871 return FALSE; 2872 } 2873 } 2874 2875 for (b = block->children; b != NULL; b = b->next) 2876 { 2877 if (! debug_write_block (info, fns, fhandle, b)) 2878 return FALSE; 2879 } 2880 2881 if (! debug_write_linenos (info, fns, fhandle, block->end)) 2882 return FALSE; 2883 2884 if (block->locals != NULL || block->parent == NULL) 2885 { 2886 if (! (*fns->end_block) (fhandle, block->end)) 2887 return FALSE; 2888 } 2889 2890 return TRUE; 2891} 2892 2893/* Write out line number information up to ADDRESS. */ 2894 2895static bfd_boolean 2896debug_write_linenos (struct debug_handle *info, 2897 const struct debug_write_fns *fns, void *fhandle, 2898 bfd_vma address) 2899{ 2900 while (info->current_write_lineno != NULL) 2901 { 2902 struct debug_lineno *l; 2903 2904 l = info->current_write_lineno; 2905 2906 while (info->current_write_lineno_index < DEBUG_LINENO_COUNT) 2907 { 2908 if (l->linenos[info->current_write_lineno_index] 2909 == (unsigned long) -1) 2910 break; 2911 2912 if (l->addrs[info->current_write_lineno_index] >= address) 2913 return TRUE; 2914 2915 if (! (*fns->lineno) (fhandle, l->file->filename, 2916 l->linenos[info->current_write_lineno_index], 2917 l->addrs[info->current_write_lineno_index])) 2918 return FALSE; 2919 2920 ++info->current_write_lineno_index; 2921 } 2922 2923 info->current_write_lineno = l->next; 2924 info->current_write_lineno_index = 0; 2925 } 2926 2927 return TRUE; 2928} 2929 2930/* Get the ID number for a class. If during the same call to 2931 debug_write we find a struct with the same definition with the same 2932 name, we use the same ID. This type of things happens because the 2933 same struct will be defined by multiple compilation units. */ 2934 2935static bfd_boolean 2936debug_set_class_id (struct debug_handle *info, const char *tag, 2937 struct debug_type_s *type) 2938{ 2939 struct debug_class_type *c; 2940 struct debug_class_id *l; 2941 2942 assert (type->kind == DEBUG_KIND_STRUCT 2943 || type->kind == DEBUG_KIND_UNION 2944 || type->kind == DEBUG_KIND_CLASS 2945 || type->kind == DEBUG_KIND_UNION_CLASS); 2946 2947 c = type->u.kclass; 2948 2949 if (c->id > info->base_id) 2950 return TRUE; 2951 2952 for (l = info->id_list; l != NULL; l = l->next) 2953 { 2954 if (l->type->kind != type->kind) 2955 continue; 2956 2957 if (tag == NULL) 2958 { 2959 if (l->tag != NULL) 2960 continue; 2961 } 2962 else 2963 { 2964 if (l->tag == NULL 2965 || l->tag[0] != tag[0] 2966 || strcmp (l->tag, tag) != 0) 2967 continue; 2968 } 2969 2970 if (debug_type_samep (info, l->type, type)) 2971 { 2972 c->id = l->type->u.kclass->id; 2973 return TRUE; 2974 } 2975 } 2976 2977 /* There are no identical types. Use a new ID, and add it to the 2978 list. */ 2979 ++info->class_id; 2980 c->id = info->class_id; 2981 2982 l = (struct debug_class_id *) xmalloc (sizeof *l); 2983 memset (l, 0, sizeof *l); 2984 2985 l->type = type; 2986 l->tag = tag; 2987 2988 l->next = info->id_list; 2989 info->id_list = l; 2990 2991 return TRUE; 2992} 2993 2994/* See if two types are the same. At this point, we don't care about 2995 tags and the like. */ 2996 2997static bfd_boolean 2998debug_type_samep (struct debug_handle *info, struct debug_type_s *t1, 2999 struct debug_type_s *t2) 3000{ 3001 struct debug_type_compare_list *l; 3002 struct debug_type_compare_list top; 3003 bfd_boolean ret; 3004 3005 if (t1 == NULL) 3006 return t2 == NULL; 3007 if (t2 == NULL) 3008 return FALSE; 3009 3010 while (t1->kind == DEBUG_KIND_INDIRECT) 3011 { 3012 t1 = *t1->u.kindirect->slot; 3013 if (t1 == NULL) 3014 return FALSE; 3015 } 3016 while (t2->kind == DEBUG_KIND_INDIRECT) 3017 { 3018 t2 = *t2->u.kindirect->slot; 3019 if (t2 == NULL) 3020 return FALSE; 3021 } 3022 3023 if (t1 == t2) 3024 return TRUE; 3025 3026 /* As a special case, permit a typedef to match a tag, since C++ 3027 debugging output will sometimes add a typedef where C debugging 3028 output will not. */ 3029 if (t1->kind == DEBUG_KIND_NAMED 3030 && t2->kind == DEBUG_KIND_TAGGED) 3031 return debug_type_samep (info, t1->u.knamed->type, t2); 3032 else if (t1->kind == DEBUG_KIND_TAGGED 3033 && t2->kind == DEBUG_KIND_NAMED) 3034 return debug_type_samep (info, t1, t2->u.knamed->type); 3035 3036 if (t1->kind != t2->kind 3037 || t1->size != t2->size) 3038 return FALSE; 3039 3040 /* Get rid of the trivial cases first. */ 3041 switch (t1->kind) 3042 { 3043 default: 3044 break; 3045 case DEBUG_KIND_VOID: 3046 case DEBUG_KIND_FLOAT: 3047 case DEBUG_KIND_COMPLEX: 3048 case DEBUG_KIND_BOOL: 3049 return TRUE; 3050 case DEBUG_KIND_INT: 3051 return t1->u.kint == t2->u.kint; 3052 } 3053 3054 /* We have to avoid an infinite recursion. We do this by keeping a 3055 list of types which we are comparing. We just keep the list on 3056 the stack. If we encounter a pair of types we are currently 3057 comparing, we just assume that they are equal. */ 3058 for (l = info->compare_list; l != NULL; l = l->next) 3059 { 3060 if (l->t1 == t1 && l->t2 == t2) 3061 return TRUE; 3062 } 3063 3064 top.t1 = t1; 3065 top.t2 = t2; 3066 top.next = info->compare_list; 3067 info->compare_list = ⊤ 3068 3069 switch (t1->kind) 3070 { 3071 default: 3072 abort (); 3073 ret = FALSE; 3074 break; 3075 3076 case DEBUG_KIND_STRUCT: 3077 case DEBUG_KIND_UNION: 3078 case DEBUG_KIND_CLASS: 3079 case DEBUG_KIND_UNION_CLASS: 3080 if (t1->u.kclass == NULL) 3081 ret = t2->u.kclass == NULL; 3082 else if (t2->u.kclass == NULL) 3083 ret = FALSE; 3084 else if (t1->u.kclass->id > info->base_id 3085 && t1->u.kclass->id == t2->u.kclass->id) 3086 ret = TRUE; 3087 else 3088 ret = debug_class_type_samep (info, t1, t2); 3089 break; 3090 3091 case DEBUG_KIND_ENUM: 3092 if (t1->u.kenum == NULL) 3093 ret = t2->u.kenum == NULL; 3094 else if (t2->u.kenum == NULL) 3095 ret = FALSE; 3096 else 3097 { 3098 const char **pn1, **pn2; 3099 bfd_signed_vma *pv1, *pv2; 3100 3101 pn1 = t1->u.kenum->names; 3102 pn2 = t2->u.kenum->names; 3103 pv1 = t1->u.kenum->values; 3104 pv2 = t2->u.kenum->values; 3105 while (*pn1 != NULL && *pn2 != NULL) 3106 { 3107 if (**pn1 != **pn2 3108 || *pv1 != *pv2 3109 || strcmp (*pn1, *pn2) != 0) 3110 break; 3111 ++pn1; 3112 ++pn2; 3113 ++pv1; 3114 ++pv2; 3115 } 3116 ret = *pn1 == NULL && *pn2 == NULL; 3117 } 3118 break; 3119 3120 case DEBUG_KIND_POINTER: 3121 ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer); 3122 break; 3123 3124 case DEBUG_KIND_FUNCTION: 3125 if (t1->u.kfunction->varargs != t2->u.kfunction->varargs 3126 || ! debug_type_samep (info, t1->u.kfunction->return_type, 3127 t2->u.kfunction->return_type) 3128 || ((t1->u.kfunction->arg_types == NULL) 3129 != (t2->u.kfunction->arg_types == NULL))) 3130 ret = FALSE; 3131 else if (t1->u.kfunction->arg_types == NULL) 3132 ret = TRUE; 3133 else 3134 { 3135 struct debug_type_s **a1, **a2; 3136 3137 a1 = t1->u.kfunction->arg_types; 3138 a2 = t2->u.kfunction->arg_types; 3139 while (*a1 != NULL && *a2 != NULL) 3140 { 3141 if (! debug_type_samep (info, *a1, *a2)) 3142 break; 3143 ++a1; 3144 ++a2; 3145 } 3146 ret = *a1 == NULL && *a2 == NULL; 3147 } 3148 break; 3149 3150 case DEBUG_KIND_REFERENCE: 3151 ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference); 3152 break; 3153 3154 case DEBUG_KIND_RANGE: 3155 ret = (t1->u.krange->lower == t2->u.krange->lower 3156 && t1->u.krange->upper == t2->u.krange->upper 3157 && debug_type_samep (info, t1->u.krange->type, 3158 t2->u.krange->type)); 3159 break; 3160 3161 case DEBUG_KIND_ARRAY: 3162 ret = (t1->u.karray->lower == t2->u.karray->lower 3163 && t1->u.karray->upper == t2->u.karray->upper 3164 && t1->u.karray->stringp == t2->u.karray->stringp 3165 && debug_type_samep (info, t1->u.karray->element_type, 3166 t2->u.karray->element_type)); 3167 break; 3168 3169 case DEBUG_KIND_SET: 3170 ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp 3171 && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type)); 3172 break; 3173 3174 case DEBUG_KIND_OFFSET: 3175 ret = (debug_type_samep (info, t1->u.koffset->base_type, 3176 t2->u.koffset->base_type) 3177 && debug_type_samep (info, t1->u.koffset->target_type, 3178 t2->u.koffset->target_type)); 3179 break; 3180 3181 case DEBUG_KIND_METHOD: 3182 if (t1->u.kmethod->varargs != t2->u.kmethod->varargs 3183 || ! debug_type_samep (info, t1->u.kmethod->return_type, 3184 t2->u.kmethod->return_type) 3185 || ! debug_type_samep (info, t1->u.kmethod->domain_type, 3186 t2->u.kmethod->domain_type) 3187 || ((t1->u.kmethod->arg_types == NULL) 3188 != (t2->u.kmethod->arg_types == NULL))) 3189 ret = FALSE; 3190 else if (t1->u.kmethod->arg_types == NULL) 3191 ret = TRUE; 3192 else 3193 { 3194 struct debug_type_s **a1, **a2; 3195 3196 a1 = t1->u.kmethod->arg_types; 3197 a2 = t2->u.kmethod->arg_types; 3198 while (*a1 != NULL && *a2 != NULL) 3199 { 3200 if (! debug_type_samep (info, *a1, *a2)) 3201 break; 3202 ++a1; 3203 ++a2; 3204 } 3205 ret = *a1 == NULL && *a2 == NULL; 3206 } 3207 break; 3208 3209 case DEBUG_KIND_CONST: 3210 ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst); 3211 break; 3212 3213 case DEBUG_KIND_VOLATILE: 3214 ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile); 3215 break; 3216 3217 case DEBUG_KIND_NAMED: 3218 case DEBUG_KIND_TAGGED: 3219 ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0 3220 && debug_type_samep (info, t1->u.knamed->type, 3221 t2->u.knamed->type)); 3222 break; 3223 } 3224 3225 info->compare_list = top.next; 3226 3227 return ret; 3228} 3229 3230/* See if two classes are the same. This is a subroutine of 3231 debug_type_samep. */ 3232 3233static bfd_boolean 3234debug_class_type_samep (struct debug_handle *info, struct debug_type_s *t1, 3235 struct debug_type_s *t2) 3236{ 3237 struct debug_class_type *c1, *c2; 3238 3239 c1 = t1->u.kclass; 3240 c2 = t2->u.kclass; 3241 3242 if ((c1->fields == NULL) != (c2->fields == NULL) 3243 || (c1->baseclasses == NULL) != (c2->baseclasses == NULL) 3244 || (c1->methods == NULL) != (c2->methods == NULL) 3245 || (c1->vptrbase == NULL) != (c2->vptrbase == NULL)) 3246 return FALSE; 3247 3248 if (c1->fields != NULL) 3249 { 3250 struct debug_field_s **pf1, **pf2; 3251 3252 for (pf1 = c1->fields, pf2 = c2->fields; 3253 *pf1 != NULL && *pf2 != NULL; 3254 pf1++, pf2++) 3255 { 3256 struct debug_field_s *f1, *f2; 3257 3258 f1 = *pf1; 3259 f2 = *pf2; 3260 if (f1->name[0] != f2->name[0] 3261 || f1->visibility != f2->visibility 3262 || f1->static_member != f2->static_member) 3263 return FALSE; 3264 if (f1->static_member) 3265 { 3266 if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0) 3267 return FALSE; 3268 } 3269 else 3270 { 3271 if (f1->u.f.bitpos != f2->u.f.bitpos 3272 || f1->u.f.bitsize != f2->u.f.bitsize) 3273 return FALSE; 3274 } 3275 /* We do the checks which require function calls last. We 3276 don't require that the types of fields have the same 3277 names, since that sometimes fails in the presence of 3278 typedefs and we really don't care. */ 3279 if (strcmp (f1->name, f2->name) != 0 3280 || f1->type == NULL 3281 || f2->type == NULL 3282 || ! debug_type_samep (info, 3283 debug_get_real_type ((void *) info, 3284 f1->type, NULL), 3285 debug_get_real_type ((void *) info, 3286 f2->type, NULL))) 3287 return FALSE; 3288 } 3289 if (*pf1 != NULL || *pf2 != NULL) 3290 return FALSE; 3291 } 3292 3293 if (c1->vptrbase != NULL) 3294 { 3295 if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase)) 3296 return FALSE; 3297 } 3298 3299 if (c1->baseclasses != NULL) 3300 { 3301 struct debug_baseclass_s **pb1, **pb2; 3302 3303 for (pb1 = c1->baseclasses, pb2 = c2->baseclasses; 3304 *pb1 != NULL && *pb2 != NULL; 3305 ++pb1, ++pb2) 3306 { 3307 struct debug_baseclass_s *b1, *b2; 3308 3309 b1 = *pb1; 3310 b2 = *pb2; 3311 if (b1->bitpos != b2->bitpos 3312 || b1->is_virtual != b2->is_virtual 3313 || b1->visibility != b2->visibility 3314 || ! debug_type_samep (info, b1->type, b2->type)) 3315 return FALSE; 3316 } 3317 if (*pb1 != NULL || *pb2 != NULL) 3318 return FALSE; 3319 } 3320 3321 if (c1->methods != NULL) 3322 { 3323 struct debug_method_s **pm1, **pm2; 3324 3325 for (pm1 = c1->methods, pm2 = c2->methods; 3326 *pm1 != NULL && *pm2 != NULL; 3327 ++pm1, ++pm2) 3328 { 3329 struct debug_method_s *m1, *m2; 3330 3331 m1 = *pm1; 3332 m2 = *pm2; 3333 if (m1->name[0] != m2->name[0] 3334 || strcmp (m1->name, m2->name) != 0 3335 || (m1->variants == NULL) != (m2->variants == NULL)) 3336 return FALSE; 3337 if (m1->variants == NULL) 3338 { 3339 struct debug_method_variant_s **pv1, **pv2; 3340 3341 for (pv1 = m1->variants, pv2 = m2->variants; 3342 *pv1 != NULL && *pv2 != NULL; 3343 ++pv1, ++pv2) 3344 { 3345 struct debug_method_variant_s *v1, *v2; 3346 3347 v1 = *pv1; 3348 v2 = *pv2; 3349 if (v1->physname[0] != v2->physname[0] 3350 || v1->visibility != v2->visibility 3351 || v1->constp != v2->constp 3352 || v1->volatilep != v2->volatilep 3353 || v1->voffset != v2->voffset 3354 || (v1->context == NULL) != (v2->context == NULL) 3355 || strcmp (v1->physname, v2->physname) != 0 3356 || ! debug_type_samep (info, v1->type, v2->type)) 3357 return FALSE; 3358 if (v1->context != NULL) 3359 { 3360 if (! debug_type_samep (info, v1->context, 3361 v2->context)) 3362 return FALSE; 3363 } 3364 } 3365 if (*pv1 != NULL || *pv2 != NULL) 3366 return FALSE; 3367 } 3368 } 3369 if (*pm1 != NULL || *pm2 != NULL) 3370 return FALSE; 3371 } 3372 3373 return TRUE; 3374} 3375