gdb/ada-lang.h

   1 /* Ada language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   4    2007, 2008, 2009, 2010 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 3 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, see <http://www.gnu.org/licenses/>.  */
  20
  21 #if !defined (ADA_LANG_H)
  22 #define ADA_LANG_H 1
  23
  24 struct frame_info;
  25
  26 #include "value.h"
  27 #include "gdbtypes.h"
  28 #include "breakpoint.h"
  29
  30 /* Names of specific files known to be part of the runtime
  31    system and that might consider (confusing) debugging information.
  32    Each name (a basic regular expression string) is followed by a
  33    comma.  FIXME: Should be part of a configuration file. */
  34 #if defined(__alpha__) && defined(__osf__)
  35 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  36    "^[agis]-.*\\.ad[bs]$", \
  37    "/usr/shlib/libpthread\\.so",
  38 #elif defined (__linux__)
  39 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  40    "^[agis]-.*\\.ad[bs]$", \
  41    "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
  42    "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
  43 #endif
  44
  45 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
  46 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  47    "^[agis]-.*\\.ad[bs]$",
  48 #endif
  49
  50 /* Names of compiler-generated auxiliary functions probably of no
  51    interest to users. Each name (a basic regular expression string)
  52    is followed by a comma. */
  53 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
  54    "___clean[.$a-zA-Z0-9_]*$",
  55
  56 /* The maximum number of frame levels searched for non-local,
  57  * non-global symbols.  This limit exists as a precaution to prevent
  58  * infinite search loops when the stack is screwed up. */
  59 #define MAX_ENCLOSING_FRAME_LEVELS 7
  60
  61 /* Maximum number of steps followed in looking for the ultimate
  62    referent of a renaming.  This prevents certain infinite loops that
  63    can otherwise result. */
  64 #define MAX_RENAMING_CHAIN_LENGTH 10
  65
  66 struct block;
  67
  68 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
  69    operators. */
  70 struct ada_opname_map
  71 {
  72   const char *encoded;
  73   const char *decoded;
  74   enum exp_opcode op;
  75 };
  76
  77 /* Table of Ada operators in encoded and decoded forms. */
  78 /* Defined in ada-lang.c */
  79 extern const struct ada_opname_map ada_opname_table[];
  80
  81 /* A tuple, (symbol, block), representing one instance of a
  82  * symbol-lookup operation. */
  83 struct ada_symbol_info {
  84   struct symbol* sym;
  85   struct block* block;
  86 };
  87
  88 /* Denotes a type of renaming symbol (see ada_parse_renaming).  */
  89 enum ada_renaming_category
  90   {
  91     /* Indicates a symbol that does not encode a renaming.  */
  92     ADA_NOT_RENAMING,
  93
  94     /* For symbols declared
  95          Foo : TYPE renamed OBJECT;  */
  96     ADA_OBJECT_RENAMING,
  97
  98     /* For symbols declared
  99          Foo : exception renames EXCEPTION;  */
 100     ADA_EXCEPTION_RENAMING,
 101     /* For packages declared
 102           package Foo renames PACKAGE; */
 103     ADA_PACKAGE_RENAMING,
 104     /* For subprograms declared
 105           SUBPROGRAM_SPEC renames SUBPROGRAM;
 106        (Currently not used).  */
 107     ADA_SUBPROGRAM_RENAMING
 108   };
 109
 110 /* Ada task structures.  */
 111
 112 struct ada_task_info
 113 {
 114   /* The PTID of the thread that this task runs on.  This ptid is computed
 115      in a target-dependent way from the associated Task Control Block.  */
 116   ptid_t ptid;
 117
 118   /* The ID of the task.  */
 119   CORE_ADDR task_id;
 120
 121   /* The name of the task.  */
 122   char name[257];
 123
 124   /* The current state of the task.  */
 125   int state;
 126
 127   /* The priority associated to the task.  */
 128   int priority;
 129
 130   /* If non-zero, the task ID of the parent task.  */
 131   CORE_ADDR parent;
 132
 133   /* If the task is waiting on a task entry, this field contains
 134      the ID of the other task.  Zero otherwise.  */
 135   CORE_ADDR called_task;
 136
 137   /* If the task is accepting a rendezvous with another task, this field
 138      contains the ID of the calling task.  Zero otherwise.  */
 139   CORE_ADDR caller_task;
 140 };
 141
 142 /* Assuming V points to an array of S objects,  make sure that it contains at
 143    least M objects, updating V and S as necessary. */
 144
 145 #define GROW_VECT(v, s, m)                                              \
 146    if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
 147
 148 extern void *grow_vect (void *, size_t *, size_t, int);
 149
 150 extern int ada_get_field_index (const struct type *type,
 151                                 const char *field_name,
 152                                 int maybe_missing);
 153
 154 extern int ada_parse (void);    /* Defined in ada-exp.y */
 155
 156 extern void ada_error (char *); /* Defined in ada-exp.y */
 157
 158                         /* Defined in ada-typeprint.c */
 159 extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
 160                             int);
 161
 162 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol,
 163                                struct ui_file *stream);
 164
 165 extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
 166                           struct ui_file *, int,
 167                           const struct value *,
 168                           const struct value_print_options *);
 169
 170 extern int ada_value_print (struct value *, struct ui_file *,
 171                             const struct value_print_options *);
 172
 173                                 /* Defined in ada-lang.c */
 174
 175 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
 176
 177 extern void ada_printchar (int, struct type *, struct ui_file *);
 178
 179 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
 180                           unsigned int, const char *, int,
 181                           const struct value_print_options *);
 182
 183 struct value *ada_convert_actual (struct value *actual,
 184                                   struct type *formal_type0);
 185
 186 extern struct value *ada_value_subscript (struct value *, int,
 187                                           struct value **);
 188
 189 extern void ada_fixup_array_indexes_type (struct type *index_desc_type);
 190
 191 extern struct type *ada_array_element_type (struct type *, int);
 192
 193 extern int ada_array_arity (struct type *);
 194
 195 struct type *ada_type_of_array (struct value *, int);
 196
 197 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
 198
 199 extern int ada_is_simple_array_type (struct type *);
 200
 201 extern int ada_is_array_descriptor_type (struct type *);
 202
 203 extern int ada_is_bogus_array_descriptor (struct type *);
 204
 205 extern LONGEST ada_discrete_type_low_bound (struct type *);
 206
 207 extern LONGEST ada_discrete_type_high_bound (struct type *);
 208
 209 extern char *ada_decode_symbol (const struct general_symbol_info*);
 210
 211 extern const char *ada_decode (const char*);
 212
 213 extern enum language ada_update_initial_language (enum language);
 214
 215 extern void clear_ada_sym_cache (void);
 216
 217 extern int ada_lookup_symbol_list (const char *, const struct block *,
 218                                    domain_enum, struct ada_symbol_info**);
 219
 220 extern char *ada_fold_name (const char *);
 221
 222 extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
 223                                          domain_enum, int *);
 224
 225 extern struct symbol *
 226 ada_lookup_encoded_symbol (const char *, const struct block *,
 227                            domain_enum namespace, struct block **);
 228
 229 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *);
 230
 231 extern void ada_fill_in_ada_prototype (struct symbol *);
 232
 233 extern int user_select_syms (struct ada_symbol_info *, int, int);
 234
 235 extern int get_selections (int *, int, int, int, char *);
 236
 237 extern char *ada_start_decode_line_1 (char *);
 238
 239 extern struct symtabs_and_lines ada_finish_decode_line_1 (char **,
 240                                                           struct symtab *,
 241                                                           int, char ***);
 242
 243 extern struct symtabs_and_lines ada_sals_for_line (const char*, int,
 244                                                    int, char***, int);
 245
 246 extern int ada_scan_number (const char *, int, LONGEST *, int *);
 247
 248 extern struct type *ada_parent_type (struct type *);
 249
 250 extern int ada_is_ignored_field (struct type *, int);
 251
 252 extern int ada_is_constrained_packed_array_type (struct type *);
 253
 254 extern struct value *ada_value_primitive_packed_val (struct value *,
 255                                                      const gdb_byte *,
 256                                                      long, int, int,
 257                                                      struct type *);
 258
 259 extern struct type *ada_coerce_to_simple_array_type (struct type *);
 260
 261 extern int ada_is_character_type (struct type *);
 262
 263 extern int ada_is_string_type (struct type *);
 264
 265 extern int ada_is_tagged_type (struct type *, int);
 266
 267 extern int ada_is_tag_type (struct type *);
 268
 269 extern struct type *ada_tag_type (struct value *);
 270
 271 extern struct value *ada_value_tag (struct value *);
 272
 273 extern const char *ada_tag_name (struct value *);
 274
 275 extern int ada_is_parent_field (struct type *, int);
 276
 277 extern int ada_is_wrapper_field (struct type *, int);
 278
 279 extern int ada_is_variant_part (struct type *, int);
 280
 281 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
 282
 283 extern int ada_is_others_clause (struct type *, int);
 284
 285 extern int ada_in_variant (LONGEST, struct type *, int);
 286
 287 extern char *ada_variant_discrim_name (struct type *);
 288
 289 extern struct value *ada_value_struct_elt (struct value *, char *, int);
 290
 291 extern int ada_is_aligner_type (struct type *);
 292
 293 extern struct type *ada_aligned_type (struct type *);
 294
 295 extern const gdb_byte *ada_aligned_value_addr (struct type *,
 296                                                const gdb_byte *);
 297
 298 extern const char *ada_attribute_name (enum exp_opcode);
 299
 300 extern int ada_is_fixed_point_type (struct type *);
 301
 302 extern int ada_is_system_address_type (struct type *);
 303
 304 extern DOUBLEST ada_delta (struct type *);
 305
 306 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
 307
 308 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
 309
 310 extern struct type *ada_system_address_type (void);
 311
 312 extern int ada_which_variant_applies (struct type *, struct type *,
 313                                       const gdb_byte *);
 314
 315 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
 316                                        CORE_ADDR, struct value *,
 317                                        int check_tag);
 318
 319 extern struct value *ada_to_fixed_value (struct value *val);
 320
 321 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
 322                                                          const gdb_byte *valaddr,
 323                                                          CORE_ADDR address,
 324                                                          struct value *dval0,
 325                                                          int keep_dynamic_fields);
 326
 327 extern int ada_name_prefix_len (const char *);
 328
 329 extern char *ada_type_name (struct type *);
 330
 331 extern struct type *ada_find_parallel_type (struct type *,
 332                                             const char *suffix);
 333
 334 extern LONGEST get_int_var_value (char *, int *);
 335
 336 extern struct symbol *ada_find_any_symbol (const char *name);
 337
 338 extern struct type *ada_find_any_type (const char *name);
 339
 340 extern struct symbol *ada_find_renaming_symbol (const char *name,
 341                                                 struct block *block);
 342
 343 extern int ada_prefer_type (struct type *, struct type *);
 344
 345 extern struct type *ada_get_base_type (struct type *);
 346
 347 extern struct type *ada_check_typedef (struct type *);
 348
 349 extern char *ada_encode (const char *);
 350
 351 extern const char *ada_enum_name (const char *);
 352
 353 extern int ada_is_modular_type (struct type *);
 354
 355 extern ULONGEST ada_modulus (struct type *);
 356
 357 extern struct value *ada_value_ind (struct value *);
 358
 359 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
 360
 361 extern int ada_is_range_type_name (const char *);
 362
 363 extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
 364                                                       const char **,
 365                                                       int *, const char **);
 366
 367 extern void ada_find_printable_frame (struct frame_info *fi);
 368
 369 extern char *ada_breakpoint_rewrite (char *, int *);
 370
 371 extern char *ada_main_name (void);
 372
 373 /* Tasking-related: ada-tasks.c */
 374
 375 extern int valid_task_id (int);
 376
 377 extern int ada_get_task_number (ptid_t);
 378
 379 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
 380 extern void iterate_over_live_ada_tasks
 381   (ada_task_list_iterator_ftype *iterator);
 382
 383 extern int ada_build_task_list (int warn_if_null);
 384
 385 extern int ada_exception_catchpoint_p (struct breakpoint *b);
 386
 387 extern struct symtab_and_line
 388   ada_decode_exception_location (char *args, char **addr_string,
 389                                  char **exp_string, char **cond_string,
 390                                  struct expression **cond,
 391                                  struct breakpoint_ops **ops);
 392
 393 extern struct symtab_and_line
 394   ada_decode_assert_location (char *args, char **addr_string,
 395                               struct breakpoint_ops **ops);
 396
 397
 398 #endif