gdb/ada-lang.h

   1 /* Ada language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992-2013 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
  31 /* Names of specific files known to be part of the runtime
  32    system and that might consider (confusing) debugging information.
  33    Each name (a basic regular expression string) is followed by a
  34    comma.  FIXME: Should be part of a configuration file.  */
  35 #if defined(__alpha__) && defined(__osf__)
  36 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  37    "^[agis]-.*\\.ad[bs]$", \
  38    "/usr/shlib/libpthread\\.so",
  39 #elif defined (__linux__)
  40 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  41    "^[agis]-.*\\.ad[bs]$", \
  42    "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
  43    "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
  44 #endif
  45
  46 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
  47 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  48    "^unwind-seh.c$", \
  49    "^[agis]-.*\\.ad[bs]$",
  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    "___finalizer[.$a-zA-Z0-9_]*$",
  58
  59 /* The maximum number of frame levels searched for non-local,
  60  * non-global symbols.  This limit exists as a precaution to prevent
  61  * infinite search loops when the stack is screwed up.  */
  62 #define MAX_ENCLOSING_FRAME_LEVELS 7
  63
  64 /* Maximum number of steps followed in looking for the ultimate
  65    referent of a renaming.  This prevents certain infinite loops that
  66    can otherwise result.  */
  67 #define MAX_RENAMING_CHAIN_LENGTH 10
  68
  69 struct block;
  70
  71 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
  72    operators.  */
  73 struct ada_opname_map
  74 {
  75   const char *encoded;
  76   const char *decoded;
  77   enum exp_opcode op;
  78 };
  79
  80 /* Table of Ada operators in encoded and decoded forms.  */
  81 /* Defined in ada-lang.c */
  82 extern const struct ada_opname_map ada_opname_table[];
  83
  84 /* A tuple representing one instance of a symbol-lookup operation.  */
  85
  86 struct ada_symbol_info
  87 {
  88   /* The symbol that was found.  */
  89   struct symbol *sym;
  90
  91   /* The block where the symbol was found.  */
  92   const struct block *block;
  93 };
  94
  95 /* Denotes a type of renaming symbol (see ada_parse_renaming).  */
  96 enum ada_renaming_category
  97   {
  98     /* Indicates a symbol that does not encode a renaming.  */
  99     ADA_NOT_RENAMING,
 100
 101     /* For symbols declared
 102          Foo : TYPE renamed OBJECT;  */
 103     ADA_OBJECT_RENAMING,
 104
 105     /* For symbols declared
 106          Foo : exception renames EXCEPTION;  */
 107     ADA_EXCEPTION_RENAMING,
 108     /* For packages declared
 109           package Foo renames PACKAGE; */
 110     ADA_PACKAGE_RENAMING,
 111     /* For subprograms declared
 112           SUBPROGRAM_SPEC renames SUBPROGRAM;
 113        (Currently not used).  */
 114     ADA_SUBPROGRAM_RENAMING
 115   };
 116
 117 /* Ada task structures.  */
 118
 119 struct ada_task_info
 120 {
 121   /* The PTID of the thread that this task runs on.  This ptid is computed
 122      in a target-dependent way from the associated Task Control Block.  */
 123   ptid_t ptid;
 124
 125   /* The ID of the task.  */
 126   CORE_ADDR task_id;
 127
 128   /* The name of the task.  */
 129   char name[257];
 130
 131   /* The current state of the task.  */
 132   int state;
 133
 134   /* The priority associated to the task.  */
 135   int priority;
 136
 137   /* If non-zero, the task ID of the parent task.  */
 138   CORE_ADDR parent;
 139
 140   /* If the task is waiting on a task entry, this field contains
 141      the ID of the other task.  Zero otherwise.  */
 142   CORE_ADDR called_task;
 143
 144   /* If the task is accepting a rendezvous with another task, this field
 145      contains the ID of the calling task.  Zero otherwise.  */
 146   CORE_ADDR caller_task;
 147 };
 148
 149 /* Assuming V points to an array of S objects,  make sure that it contains at
 150    least M objects, updating V and S as necessary.  */
 151
 152 #define GROW_VECT(v, s, m)                                    \
 153    if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
 154
 155 extern void *grow_vect (void *, size_t *, size_t, int);
 156
 157 extern int ada_get_field_index (const struct type *type,
 158                                 const char *field_name,
 159                                 int maybe_missing);
 160
 161 extern int ada_parse (void);    /* Defined in ada-exp.y */
 162
 163 extern void ada_error (char *); /* Defined in ada-exp.y */
 164
 165                         /* Defined in ada-typeprint.c */
 166 extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
 167                             int, const struct type_print_options *);
 168
 169 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol,
 170                                struct ui_file *stream);
 171
 172 extern void ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
 173                            struct ui_file *, int,
 174                            const struct value *,
 175                            const struct value_print_options *);
 176
 177 extern void ada_value_print (struct value *, struct ui_file *,
 178                              const struct value_print_options *);
 179
 180                                 /* Defined in ada-lang.c */
 181
 182 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
 183
 184 extern void ada_printchar (int, struct type *, struct ui_file *);
 185
 186 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
 187                           unsigned int, const char *, int,
 188                           const struct value_print_options *);
 189
 190 struct value *ada_convert_actual (struct value *actual,
 191                                   struct type *formal_type0);
 192
 193 extern struct value *ada_value_subscript (struct value *, int,
 194                                           struct value **);
 195
 196 extern void ada_fixup_array_indexes_type (struct type *index_desc_type);
 197
 198 extern struct type *ada_array_element_type (struct type *, int);
 199
 200 extern int ada_array_arity (struct type *);
 201
 202 struct type *ada_type_of_array (struct value *, int);
 203
 204 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
 205
 206 struct value *ada_coerce_to_simple_array (struct value *);
 207
 208 extern int ada_is_simple_array_type (struct type *);
 209
 210 extern int ada_is_array_descriptor_type (struct type *);
 211
 212 extern int ada_is_bogus_array_descriptor (struct type *);
 213
 214 extern LONGEST ada_discrete_type_low_bound (struct type *);
 215
 216 extern LONGEST ada_discrete_type_high_bound (struct type *);
 217
 218 extern struct value *ada_get_decoded_value (struct value *value);
 219
 220 extern struct type *ada_get_decoded_type (struct type *type);
 221
 222 extern char *ada_decode_symbol (const struct general_symbol_info*);
 223
 224 extern const char *ada_decode (const char*);
 225
 226 extern enum language ada_update_initial_language (enum language);
 227
 228 extern void clear_ada_sym_cache (void);
 229
 230 extern int ada_lookup_symbol_list (const char *, const struct block *,
 231                                    domain_enum, struct ada_symbol_info**,
 232                                    int);
 233
 234 extern char *ada_fold_name (const char *);
 235
 236 extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
 237                                          domain_enum, int *);
 238
 239 extern void ada_lookup_encoded_symbol
 240   (const char *name, const struct block *block, domain_enum namespace,
 241    struct ada_symbol_info *symbol_info);
 242
 243 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *);
 244
 245 extern void ada_fill_in_ada_prototype (struct symbol *);
 246
 247 extern int user_select_syms (struct ada_symbol_info *, int, int);
 248
 249 extern int get_selections (int *, int, int, int, char *);
 250
 251 extern int ada_scan_number (const char *, int, LONGEST *, int *);
 252
 253 extern struct type *ada_parent_type (struct type *);
 254
 255 extern int ada_is_ignored_field (struct type *, int);
 256
 257 extern int ada_is_constrained_packed_array_type (struct type *);
 258
 259 extern struct value *ada_value_primitive_packed_val (struct value *,
 260                                                      const gdb_byte *,
 261                                                      long, int, int,
 262                                                      struct type *);
 263
 264 extern struct type *ada_coerce_to_simple_array_type (struct type *);
 265
 266 extern int ada_is_character_type (struct type *);
 267
 268 extern int ada_is_string_type (struct type *);
 269
 270 extern int ada_is_tagged_type (struct type *, int);
 271
 272 extern int ada_is_tag_type (struct type *);
 273
 274 extern struct type *ada_tag_type (struct value *);
 275
 276 extern struct value *ada_value_tag (struct value *);
 277
 278 extern const char *ada_tag_name (struct value *);
 279
 280 extern struct value *ada_tag_value_at_base_address (struct value *obj);
 281
 282 extern int ada_is_parent_field (struct type *, int);
 283
 284 extern int ada_is_wrapper_field (struct type *, int);
 285
 286 extern int ada_is_variant_part (struct type *, int);
 287
 288 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
 289
 290 extern int ada_is_others_clause (struct type *, int);
 291
 292 extern int ada_in_variant (LONGEST, struct type *, int);
 293
 294 extern char *ada_variant_discrim_name (struct type *);
 295
 296 extern struct value *ada_value_struct_elt (struct value *, char *, int);
 297
 298 extern int ada_is_aligner_type (struct type *);
 299
 300 extern struct type *ada_aligned_type (struct type *);
 301
 302 extern const gdb_byte *ada_aligned_value_addr (struct type *,
 303                                                const gdb_byte *);
 304
 305 extern const char *ada_attribute_name (enum exp_opcode);
 306
 307 extern int ada_is_fixed_point_type (struct type *);
 308
 309 extern int ada_is_system_address_type (struct type *);
 310
 311 extern DOUBLEST ada_delta (struct type *);
 312
 313 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
 314
 315 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
 316
 317 extern struct type *ada_system_address_type (void);
 318
 319 extern int ada_which_variant_applies (struct type *, struct type *,
 320                                       const gdb_byte *);
 321
 322 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
 323                                        CORE_ADDR, struct value *,
 324                                        int check_tag);
 325
 326 extern struct value *ada_to_fixed_value (struct value *val);
 327
 328 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
 329                                                          const gdb_byte *valaddr,
 330                                                          CORE_ADDR address,
 331                                                          struct value *dval0,
 332                                                          int keep_dynamic_fields);
 333
 334 extern int ada_name_prefix_len (const char *);
 335
 336 extern const char *ada_type_name (struct type *);
 337
 338 extern struct type *ada_find_parallel_type (struct type *,
 339                                             const char *suffix);
 340
 341 extern LONGEST get_int_var_value (char *, int *);
 342
 343 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym,
 344                                                 const struct block *block);
 345
 346 extern int ada_prefer_type (struct type *, struct type *);
 347
 348 extern struct type *ada_get_base_type (struct type *);
 349
 350 extern struct type *ada_check_typedef (struct type *);
 351
 352 extern char *ada_encode (const char *);
 353
 354 extern const char *ada_enum_name (const char *);
 355
 356 extern int ada_is_modular_type (struct type *);
 357
 358 extern ULONGEST ada_modulus (struct type *);
 359
 360 extern struct value *ada_value_ind (struct value *);
 361
 362 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
 363
 364 extern int ada_is_range_type_name (const char *);
 365
 366 extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
 367                                                       const char **,
 368                                                       int *, const char **);
 369
 370 extern void ada_find_printable_frame (struct frame_info *fi);
 371
 372 extern char *ada_breakpoint_rewrite (char *, int *);
 373
 374 extern char *ada_main_name (void);
 375
 376 extern char *ada_name_for_lookup (const char *name);
 377
 378 /* Tasking-related: ada-tasks.c */
 379
 380 extern int valid_task_id (int);
 381
 382 extern int ada_get_task_number (ptid_t);
 383
 384 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
 385 extern void iterate_over_live_ada_tasks
 386   (ada_task_list_iterator_ftype *iterator);
 387
 388 extern int ada_build_task_list (void);
 389
 390 extern void print_ada_task_info (struct ui_out *uiout,
 391                                  char *taskno_str,
 392                                  struct inferior *inf);
 393
 394 #endif