gdb/ada-lang.h

   1 /* Ada language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992-2014 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #if !defined (ADA_LANG_H)
  21 #define ADA_LANG_H 1
  22
  23 struct frame_info;
  24 struct inferior;
  25 struct type_print_options;
  26
  27 #include "value.h"
  28 #include "gdbtypes.h"
  29 #include "breakpoint.h"
  30 #include "vec.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    "^unwind-seh.c$", \
  50    "^[agis]-.*\\.ad[bs]$",
  51 #endif
  52
  53 /* Names of compiler-generated auxiliary functions probably of no
  54    interest to users.  Each name (a basic regular expression string)
  55    is followed by a comma.  */
  56 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
  57    "___clean[.$a-zA-Z0-9_]*$", \
  58    "___finalizer[.$a-zA-Z0-9_]*$",
  59
  60 /* The maximum number of frame levels searched for non-local,
  61  * non-global symbols.  This limit exists as a precaution to prevent
  62  * infinite search loops when the stack is screwed up.  */
  63 #define MAX_ENCLOSING_FRAME_LEVELS 7
  64
  65 /* Maximum number of steps followed in looking for the ultimate
  66    referent of a renaming.  This prevents certain infinite loops that
  67    can otherwise result.  */
  68 #define MAX_RENAMING_CHAIN_LENGTH 10
  69
  70 struct block;
  71
  72 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
  73    operators.  */
  74 struct ada_opname_map
  75 {
  76   const char *encoded;
  77   const char *decoded;
  78   enum exp_opcode op;
  79 };
  80
  81 /* Table of Ada operators in encoded and decoded forms.  */
  82 /* Defined in ada-lang.c */
  83 extern const struct ada_opname_map ada_opname_table[];
  84
  85 /* A tuple representing one instance of a symbol-lookup operation.  */
  86
  87 struct ada_symbol_info
  88 {
  89   /* The symbol that was found.  */
  90   struct symbol *sym;
  91
  92   /* The block where the symbol was found.  */
  93   const struct block *block;
  94 };
  95
  96 /* Denotes a type of renaming symbol (see ada_parse_renaming).  */
  97 enum ada_renaming_category
  98   {
  99     /* Indicates a symbol that does not encode a renaming.  */
 100     ADA_NOT_RENAMING,
 101
 102     /* For symbols declared
 103          Foo : TYPE renamed OBJECT;  */
 104     ADA_OBJECT_RENAMING,
 105
 106     /* For symbols declared
 107          Foo : exception renames EXCEPTION;  */
 108     ADA_EXCEPTION_RENAMING,
 109     /* For packages declared
 110           package Foo renames PACKAGE; */
 111     ADA_PACKAGE_RENAMING,
 112     /* For subprograms declared
 113           SUBPROGRAM_SPEC renames SUBPROGRAM;
 114        (Currently not used).  */
 115     ADA_SUBPROGRAM_RENAMING
 116   };
 117
 118 /* The different types of catchpoints that we introduced for catching
 119    Ada exceptions.  */
 120
 121 enum ada_exception_catchpoint_kind
 122 {
 123   ada_catch_exception,
 124   ada_catch_exception_unhandled,
 125   ada_catch_assert
 126 };
 127
 128 /* Ada task structures.  */
 129
 130 struct ada_task_info
 131 {
 132   /* The PTID of the thread that this task runs on.  This ptid is computed
 133      in a target-dependent way from the associated Task Control Block.  */
 134   ptid_t ptid;
 135
 136   /* The ID of the task.  */
 137   CORE_ADDR task_id;
 138
 139   /* The name of the task.  */
 140   char name[257];
 141
 142   /* The current state of the task.  */
 143   int state;
 144
 145   /* The priority associated to the task.  */
 146   int priority;
 147
 148   /* If non-zero, the task ID of the parent task.  */
 149   CORE_ADDR parent;
 150
 151   /* If the task is waiting on a task entry, this field contains
 152      the ID of the other task.  Zero otherwise.  */
 153   CORE_ADDR called_task;
 154
 155   /* If the task is accepting a rendezvous with another task, this field
 156      contains the ID of the calling task.  Zero otherwise.  */
 157   CORE_ADDR caller_task;
 158 };
 159
 160 /* Assuming V points to an array of S objects,  make sure that it contains at
 161    least M objects, updating V and S as necessary.  */
 162
 163 #define GROW_VECT(v, s, m)                                    \
 164    if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
 165
 166 extern void *grow_vect (void *, size_t *, size_t, int);
 167
 168 extern int ada_get_field_index (const struct type *type,
 169                                 const char *field_name,
 170                                 int maybe_missing);
 171
 172 extern int ada_parse (void);    /* Defined in ada-exp.y */
 173
 174 extern void ada_error (char *); /* Defined in ada-exp.y */
 175
 176                         /* Defined in ada-typeprint.c */
 177 extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
 178                             int, const struct type_print_options *);
 179
 180 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol,
 181                                struct ui_file *stream);
 182
 183 extern void ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
 184                            struct ui_file *, int,
 185                            const struct value *,
 186                            const struct value_print_options *);
 187
 188 extern void ada_value_print (struct value *, struct ui_file *,
 189                              const struct value_print_options *);
 190
 191                                 /* Defined in ada-lang.c */
 192
 193 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
 194
 195 extern void ada_printchar (int, struct type *, struct ui_file *);
 196
 197 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
 198                           unsigned int, const char *, int,
 199                           const struct value_print_options *);
 200
 201 struct value *ada_convert_actual (struct value *actual,
 202                                   struct type *formal_type0);
 203
 204 extern struct value *ada_value_subscript (struct value *, int,
 205                                           struct value **);
 206
 207 extern void ada_fixup_array_indexes_type (struct type *index_desc_type);
 208
 209 extern struct type *ada_array_element_type (struct type *, int);
 210
 211 extern int ada_array_arity (struct type *);
 212
 213 struct type *ada_type_of_array (struct value *, int);
 214
 215 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
 216
 217 struct value *ada_coerce_to_simple_array (struct value *);
 218
 219 extern int ada_is_simple_array_type (struct type *);
 220
 221 extern int ada_is_array_descriptor_type (struct type *);
 222
 223 extern int ada_is_bogus_array_descriptor (struct type *);
 224
 225 extern LONGEST ada_discrete_type_low_bound (struct type *);
 226
 227 extern LONGEST ada_discrete_type_high_bound (struct type *);
 228
 229 extern struct value *ada_get_decoded_value (struct value *value);
 230
 231 extern struct type *ada_get_decoded_type (struct type *type);
 232
 233 extern const char *ada_decode_symbol (const struct general_symbol_info *);
 234
 235 extern const char *ada_decode (const char*);
 236
 237 extern enum language ada_update_initial_language (enum language);
 238
 239 extern int ada_lookup_symbol_list (const char *, const struct block *,
 240                                    domain_enum, struct ada_symbol_info**);
 241
 242 extern char *ada_fold_name (const char *);
 243
 244 extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
 245                                          domain_enum, int *);
 246
 247 extern void ada_lookup_encoded_symbol
 248   (const char *name, const struct block *block, domain_enum namespace,
 249    struct ada_symbol_info *symbol_info);
 250
 251 extern struct bound_minimal_symbol ada_lookup_simple_minsym (const char *);
 252
 253 extern void ada_fill_in_ada_prototype (struct symbol *);
 254
 255 extern int user_select_syms (struct ada_symbol_info *, int, int);
 256
 257 extern int get_selections (int *, int, int, int, char *);
 258
 259 extern int ada_scan_number (const char *, int, LONGEST *, int *);
 260
 261 extern struct type *ada_parent_type (struct type *);
 262
 263 extern int ada_is_ignored_field (struct type *, int);
 264
 265 extern int ada_is_constrained_packed_array_type (struct type *);
 266
 267 extern struct value *ada_value_primitive_packed_val (struct value *,
 268                                                      const gdb_byte *,
 269                                                      long, int, int,
 270                                                      struct type *);
 271
 272 extern struct type *ada_coerce_to_simple_array_type (struct type *);
 273
 274 extern int ada_is_character_type (struct type *);
 275
 276 extern int ada_is_string_type (struct type *);
 277
 278 extern int ada_is_tagged_type (struct type *, int);
 279
 280 extern int ada_is_tag_type (struct type *);
 281
 282 extern struct type *ada_tag_type (struct value *);
 283
 284 extern struct value *ada_value_tag (struct value *);
 285
 286 extern const char *ada_tag_name (struct value *);
 287
 288 extern struct value *ada_tag_value_at_base_address (struct value *obj);
 289
 290 extern int ada_is_parent_field (struct type *, int);
 291
 292 extern int ada_is_wrapper_field (struct type *, int);
 293
 294 extern int ada_is_variant_part (struct type *, int);
 295
 296 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
 297
 298 extern int ada_is_others_clause (struct type *, int);
 299
 300 extern int ada_in_variant (LONGEST, struct type *, int);
 301
 302 extern char *ada_variant_discrim_name (struct type *);
 303
 304 extern struct value *ada_value_struct_elt (struct value *, char *, int);
 305
 306 extern int ada_is_aligner_type (struct type *);
 307
 308 extern struct type *ada_aligned_type (struct type *);
 309
 310 extern const gdb_byte *ada_aligned_value_addr (struct type *,
 311                                                const gdb_byte *);
 312
 313 extern const char *ada_attribute_name (enum exp_opcode);
 314
 315 extern int ada_is_fixed_point_type (struct type *);
 316
 317 extern int ada_is_system_address_type (struct type *);
 318
 319 extern DOUBLEST ada_delta (struct type *);
 320
 321 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
 322
 323 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
 324
 325 extern struct type *ada_system_address_type (void);
 326
 327 extern int ada_which_variant_applies (struct type *, struct type *,
 328                                       const gdb_byte *);
 329
 330 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
 331                                        CORE_ADDR, struct value *,
 332                                        int check_tag);
 333
 334 extern struct value *ada_to_fixed_value (struct value *val);
 335
 336 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
 337                                                          const gdb_byte *valaddr,
 338                                                          CORE_ADDR address,
 339                                                          struct value *dval0,
 340                                                          int keep_dynamic_fields);
 341
 342 extern int ada_name_prefix_len (const char *);
 343
 344 extern const char *ada_type_name (struct type *);
 345
 346 extern struct type *ada_find_parallel_type (struct type *,
 347                                             const char *suffix);
 348
 349 extern LONGEST get_int_var_value (char *, int *);
 350
 351 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym,
 352                                                 const struct block *block);
 353
 354 extern int ada_prefer_type (struct type *, struct type *);
 355
 356 extern struct type *ada_get_base_type (struct type *);
 357
 358 extern struct type *ada_check_typedef (struct type *);
 359
 360 extern char *ada_encode (const char *);
 361
 362 extern const char *ada_enum_name (const char *);
 363
 364 extern int ada_is_modular_type (struct type *);
 365
 366 extern ULONGEST ada_modulus (struct type *);
 367
 368 extern struct value *ada_value_ind (struct value *);
 369
 370 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
 371
 372 extern int ada_is_range_type_name (const char *);
 373
 374 extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
 375                                                       const char **,
 376                                                       int *, const char **);
 377
 378 extern void ada_find_printable_frame (struct frame_info *fi);
 379
 380 extern char *ada_breakpoint_rewrite (char *, int *);
 381
 382 extern char *ada_main_name (void);
 383
 384 extern char *ada_name_for_lookup (const char *name);
 385
 386 extern void create_ada_exception_catchpoint
 387   (struct gdbarch *gdbarch, enum ada_exception_catchpoint_kind ex_kind,
 388    char *excep_string, char *cond_string, int tempflag, int disabled,
 389    int from_tty);
 390
 391 /* Some information about a given Ada exception.  */
 392
 393 typedef struct ada_exc_info
 394 {
 395   /* The name of the exception.  */
 396   const char *name;
 397
 398   /* The address of the symbol corresponding to that exception.  */
 399   CORE_ADDR addr;
 400 } ada_exc_info;
 401
 402 DEF_VEC_O(ada_exc_info);
 403
 404 extern VEC(ada_exc_info) *ada_exceptions_list (const char *regexp);
 405
 406 /* Tasking-related: ada-tasks.c */
 407
 408 extern int valid_task_id (int);
 409
 410 extern int ada_get_task_number (ptid_t);
 411
 412 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
 413 extern void iterate_over_live_ada_tasks
 414   (ada_task_list_iterator_ftype *iterator);
 415
 416 extern int ada_build_task_list (void);
 417
 418 extern void print_ada_task_info (struct ui_out *uiout,
 419                                  char *taskno_str,
 420                                  struct inferior *inf);
 421
 422 #endif