gdb/ada-lang.h

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