gdb/ada-lang.h

   1 /* Ada language support definitions for GDB, the GNU debugger.
   2
   3    Copyright 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   4    2005 Free Software Foundation, Inc.
   5
   6 This file is part of GDB.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 #if !defined (ADA_LANG_H)
  23 #define ADA_LANG_H 1
  24
  25 struct partial_symbol;
  26 struct frame_info;
  27
  28 #include "value.h"
  29 #include "gdbtypes.h"
  30 #include "breakpoint.h"
  31
  32 /* Names of specific files known to be part of the runtime
  33    system and that might consider (confusing) debugging information.
  34    Each name (a basic regular expression string) is followed by a
  35    comma.  FIXME: Should be part of a configuration file. */
  36 #if defined(__alpha__) && defined(__osf__)
  37 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  38    "^[agis]-.*\\.ad[bs]$", \
  39    "/usr/shlib/libpthread\\.so",
  40 #elif defined (__linux__)
  41 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  42    "^[agis]-.*\\.ad[bs]$", \
  43    "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
  44    "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
  45 #endif
  46
  47 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
  48 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  49    "^[agis]-.*\\.ad[bs]$",
  50 #endif
  51
  52 /* Names of compiler-generated auxiliary functions probably of no
  53    interest to users. Each name (a basic regular expression string)
  54    is followed by a comma. */
  55 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
  56    "___clean[.a-zA-Z0-9_]*$",
  57
  58 /* The maximum number of frame levels searched for non-local,
  59  * non-global symbols.  This limit exists as a precaution to prevent
  60  * infinite search loops when the stack is screwed up. */
  61 #define MAX_ENCLOSING_FRAME_LEVELS 7
  62
  63 /* Maximum number of steps followed in looking for the ultimate
  64    referent of a renaming.  This prevents certain infinite loops that
  65    can otherwise result. */
  66 #define MAX_RENAMING_CHAIN_LENGTH 10
  67
  68 struct block;
  69
  70 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
  71    operators. */
  72 struct ada_opname_map
  73 {
  74   const char *encoded;
  75   const char *decoded;
  76   enum exp_opcode op;
  77 };
  78
  79 /* Table of Ada operators in encoded and decoded forms. */
  80 /* Defined in ada-lang.c */
  81 extern const struct ada_opname_map ada_opname_table[];
  82
  83 enum ada_operator
  84   {
  85     /* X IN A'RANGE(N).  N is an immediate operand, surrounded by
  86        BINOP_IN_BOUNDS before and after.  A is an array, X an index
  87        value.  Evaluates to true iff X is within range of the Nth
  88        dimension (1-based) of A.  (A multi-dimensional array
  89        type is represented as array of array of ...) */
  90     BINOP_IN_BOUNDS = OP_EXTENDED0,
  91
  92     /* X IN L .. U.  True iff L <= X <= U.  */
  93     TERNOP_IN_RANGE,
  94
  95     /* Ada attributes ('Foo). */
  96     OP_ATR_FIRST,
  97     OP_ATR_LAST,
  98     OP_ATR_LENGTH,
  99     OP_ATR_IMAGE,
 100     OP_ATR_MAX,
 101     OP_ATR_MIN,
 102     OP_ATR_MODULUS,
 103     OP_ATR_POS,
 104     OP_ATR_SIZE,
 105     OP_ATR_TAG,
 106     OP_ATR_VAL,
 107
 108     /* Ada type qualification.  It is encoded as for UNOP_CAST, above,
 109        and denotes the TYPE'(EXPR) construct. */
 110     UNOP_QUAL,
 111
 112     /* X IN TYPE.  The `TYPE' argument is immediate, with
 113        UNOP_IN_RANGE before and after it. True iff X is a member of
 114        type TYPE (typically a subrange). */
 115     UNOP_IN_RANGE,
 116
 117     /* End marker */
 118     OP_ADA_LAST
 119   };
 120
 121 /* A triple, (symbol, block, symtab), representing one instance of a
 122  * symbol-lookup operation. */
 123 struct ada_symbol_info {
 124   struct symbol* sym;
 125   struct block* block;
 126   struct symtab* symtab;
 127 };
 128
 129 /* Ada task structures.  */
 130
 131 /* Ada task control block, as defined in the GNAT runt-time library.  */
 132
 133 struct task_control_block
 134 {
 135   char state;
 136   CORE_ADDR parent;
 137   int priority;
 138   char image [32];
 139   int image_len;    /* This field is not always present in the ATCB.  */
 140   CORE_ADDR call;
 141   CORE_ADDR thread;
 142   CORE_ADDR lwp;    /* This field is not always present in the ATCB.  */
 143 };
 144
 145 struct task_ptid
 146 {
 147   int pid;                      /* The Process id */
 148   long lwp;                     /* The Light Weight Process id */
 149   long tid;                     /* The Thread id */
 150 };
 151 typedef struct task_ptid task_ptid_t;
 152
 153 struct task_entry
 154 {
 155   CORE_ADDR task_id;
 156   struct task_control_block atcb;
 157   int task_num;
 158   int known_tasks_index;
 159   struct task_entry *next_task;
 160   task_ptid_t task_ptid;
 161   int stack_per;
 162 };
 163
 164 /* The maximum number of tasks known to the Ada runtime.  */
 165 extern const int MAX_NUMBER_OF_KNOWN_TASKS;
 166
 167 /* task entry list.  */
 168 extern struct task_entry *task_list;
 169
 170
 171 /* Assuming V points to an array of S objects,  make sure that it contains at
 172    least M objects, updating V and S as necessary. */
 173
 174 #define GROW_VECT(v, s, m)                                              \
 175    if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
 176
 177 extern void *grow_vect (void *, size_t *, size_t, int);
 178
 179 extern int ada_get_field_index (const struct type *type,
 180                                 const char *field_name,
 181                                 int maybe_missing);
 182
 183 extern int ada_parse (void);    /* Defined in ada-exp.y */
 184
 185 extern void ada_error (char *); /* Defined in ada-exp.y */
 186
 187                         /* Defined in ada-typeprint.c */
 188 extern void ada_print_type (struct type *, char *, struct ui_file *, int,
 189                             int);
 190
 191 extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
 192                           struct ui_file *, int, int, int,
 193                           enum val_prettyprint);
 194
 195 extern int ada_value_print (struct value *, struct ui_file *, int,
 196                             enum val_prettyprint);
 197
 198                                 /* Defined in ada-lang.c */
 199
 200 extern struct value *value_from_contents_and_address (struct type *,
 201                                                       const gdb_byte *,
 202                                                       CORE_ADDR);
 203
 204 extern void ada_emit_char (int, struct ui_file *, int, int);
 205
 206 extern void ada_printchar (int, struct ui_file *);
 207
 208 extern void ada_printstr (struct ui_file *, const gdb_byte *,
 209                           unsigned int, int, int);
 210
 211 extern void ada_convert_actuals (struct value *, int, struct value **,
 212                                  CORE_ADDR *);
 213
 214 extern struct value *ada_value_subscript (struct value *, int,
 215                                           struct value **);
 216
 217 extern struct type *ada_array_element_type (struct type *, int);
 218
 219 extern int ada_array_arity (struct type *);
 220
 221 struct type *ada_type_of_array (struct value *, int);
 222
 223 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
 224
 225 extern int ada_is_simple_array_type (struct type *);
 226
 227 extern int ada_is_array_descriptor_type (struct type *);
 228
 229 extern int ada_is_bogus_array_descriptor (struct type *);
 230
 231 extern struct type *ada_index_type (struct type *, int);
 232
 233 extern struct value *ada_array_bound (struct value *, int, int);
 234
 235 extern char *ada_decode_symbol (const struct general_symbol_info*);
 236
 237 extern const char *ada_decode (const char*);
 238
 239 extern enum language ada_update_initial_language (enum language,
 240                                                   struct partial_symtab*);
 241
 242 extern void clear_ada_sym_cache (void);
 243
 244 extern char **ada_make_symbol_completion_list (const char *text0,
 245                                                const char *word);
 246
 247 extern int ada_lookup_symbol_list (const char *, const struct block *,
 248                                    domain_enum, struct ada_symbol_info**);
 249
 250 extern char *ada_fold_name (const char *);
 251
 252 extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
 253                                          domain_enum, int *,
 254                                          struct symtab **);
 255
 256 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *);
 257
 258 extern void ada_fill_in_ada_prototype (struct symbol *);
 259
 260 extern int user_select_syms (struct ada_symbol_info *, int, int);
 261
 262 extern int get_selections (int *, int, int, int, char *);
 263
 264 extern char *ada_start_decode_line_1 (char *);
 265
 266 extern struct symtabs_and_lines ada_finish_decode_line_1 (char **,
 267                                                           struct symtab *,
 268                                                           int, char ***);
 269
 270 extern struct symtabs_and_lines ada_sals_for_line (const char*, int,
 271                                                    int, char***, int);
 272
 273 extern int ada_scan_number (const char *, int, LONGEST *, int *);
 274
 275 extern struct type *ada_parent_type (struct type *);
 276
 277 extern int ada_is_ignored_field (struct type *, int);
 278
 279 extern int ada_is_packed_array_type (struct type *);
 280
 281 extern struct value *ada_value_primitive_packed_val (struct value *,
 282                                                      const gdb_byte *,
 283                                                      long, int, int,
 284                                                      struct type *);
 285
 286 extern struct type *ada_coerce_to_simple_array_type (struct type *);
 287
 288 extern int ada_is_character_type (struct type *);
 289
 290 extern int ada_is_string_type (struct type *);
 291
 292 extern int ada_is_tagged_type (struct type *, int);
 293
 294 extern int ada_is_tag_type (struct type *);
 295
 296 extern struct type *ada_tag_type (struct value *);
 297
 298 extern struct value *ada_value_tag (struct value *);
 299
 300 extern const char *ada_tag_name (struct value *);
 301
 302 extern int ada_is_parent_field (struct type *, int);
 303
 304 extern int ada_is_wrapper_field (struct type *, int);
 305
 306 extern int ada_is_variant_part (struct type *, int);
 307
 308 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
 309
 310 extern int ada_is_others_clause (struct type *, int);
 311
 312 extern int ada_in_variant (LONGEST, struct type *, int);
 313
 314 extern char *ada_variant_discrim_name (struct type *);
 315
 316 extern struct value *ada_value_struct_elt (struct value *, char *, char *);
 317
 318 extern int ada_is_aligner_type (struct type *);
 319
 320 extern struct type *ada_aligned_type (struct type *);
 321
 322 extern const gdb_byte *ada_aligned_value_addr (struct type *,
 323                                                const gdb_byte *);
 324
 325 extern const char *ada_attribute_name (enum exp_opcode);
 326
 327 extern int ada_is_fixed_point_type (struct type *);
 328
 329 extern int ada_is_system_address_type (struct type *);
 330
 331 extern DOUBLEST ada_delta (struct type *);
 332
 333 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
 334
 335 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
 336
 337 extern int ada_is_vax_floating_type (struct type *);
 338
 339 extern int ada_vax_float_type_suffix (struct type *);
 340
 341 extern struct value *ada_vax_float_print_function (struct type *);
 342
 343 extern struct type *ada_system_address_type (void);
 344
 345 extern int ada_which_variant_applies (struct type *, struct type *,
 346                                       const gdb_byte *);
 347
 348 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
 349                                        CORE_ADDR, struct value *);
 350
 351 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
 352                                                          const gdb_byte *valaddr,
 353                                                          CORE_ADDR address,
 354                                                          struct value *dval0,
 355                                                          int keep_dynamic_fields);
 356
 357 extern int ada_name_prefix_len (const char *);
 358
 359 extern char *ada_type_name (struct type *);
 360
 361 extern struct type *ada_find_parallel_type (struct type *,
 362                                             const char *suffix);
 363
 364 extern LONGEST get_int_var_value (char *, int *);
 365
 366 extern struct symbol *ada_find_any_symbol (const char *name);
 367
 368 extern struct type *ada_find_any_type (const char *name);
 369
 370 extern struct symbol *ada_find_renaming_symbol (const char *name,
 371                                                 struct block *block);
 372
 373 extern int ada_prefer_type (struct type *, struct type *);
 374
 375 extern struct type *ada_get_base_type (struct type *);
 376
 377 extern struct type *ada_check_typedef (struct type *);
 378
 379 extern char *ada_encode (const char *);
 380
 381 extern const char *ada_enum_name (const char *);
 382
 383 extern int ada_is_modular_type (struct type *);
 384
 385 extern ULONGEST ada_modulus (struct type *);
 386
 387 extern struct value *ada_value_ind (struct value *);
 388
 389 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
 390
 391 extern int ada_is_range_type_name (const char *);
 392
 393 extern const char *ada_renaming_type (struct type *);
 394
 395 extern int ada_is_object_renaming (struct symbol *);
 396
 397 extern char *ada_simple_renamed_entity (struct symbol *);
 398
 399 extern char *ada_breakpoint_rewrite (char *, int *);
 400
 401 extern char *ada_main_name (void);
 402
 403 /* Tasking-related: ada-tasks.c */
 404
 405 extern int valid_task_id (int);
 406
 407 extern void init_task_list (void);
 408
 409 extern int ada_is_exception_breakpoint (bpstat bs);
 410
 411 extern void ada_adjust_exception_stop (bpstat bs);
 412
 413 extern void ada_print_exception_stop (bpstat bs);
 414
 415 extern int ada_get_current_task (ptid_t);
 416
 417 extern int breakpoint_ada_task_match (CORE_ADDR, ptid_t);
 418
 419 extern int ada_print_exception_breakpoint_nontask (struct breakpoint *);
 420
 421 extern void ada_print_exception_breakpoint_task (struct breakpoint *);
 422
 423 extern void ada_find_printable_frame (struct frame_info *fi);
 424
 425 extern void ada_reset_thread_registers (void);
 426
 427 extern int ada_build_task_list (void);
 428
 429 /* Look up a symbol by name using the search conventions of
 430    a specific language (optional block, optional symtab).
 431    FIXME: Should be symtab.h. */
 432
 433 extern struct symbol *lookup_symbol_in_language (const char *,
 434                                                  const struct block *,
 435                                                  domain_enum,
 436                                                  enum language,
 437                                                  int *,
 438                                                  struct symtab **);
 439 #endif