gdb/ada-lang.h

/* Ada language support definitions for GDB, the GNU debugger.
   Copyright 1992, 1997 Free Software Foundation, Inc.

This file is part of GDB.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#if !defined (ADA_LANG_H)
#define ADA_LANG_H 1

#include "value.h"
#include "gdbtypes.h"

/* A macro to reorder the bytes of an address depending on the endiannes
   of the target */
#define EXTRACT_ADDRESS(x) ((void *) extract_address (&(x), sizeof (x)))
/* A macro to reorder the bytes of an int depending on the endiannes
   of the target */
#define EXTRACT_INT(x) ((int) extract_signed_integer (&(x), sizeof (x)))

/* Chain of cleanups for arguments of OP_UNRESOLVED_VALUE names.  Created in
   yyparse and freed in ada_resolve. */
extern struct cleanup* unresolved_names;

/* Corresponding mangled/demangled names and opcodes for Ada user-definable 
   operators. */
struct ada_opname_map {
  const char* mangled;
  const char* demangled;
  enum exp_opcode op;
};

/* Table of Ada operators in mangled and demangled forms. */
/* Defined in ada-lang.c */
extern const struct ada_opname_map ada_opname_table[];

/* The maximum number of tasks known to the Ada runtime */
extern const int MAX_NUMBER_OF_KNOWN_TASKS;

/* Identifiers for Ada attributes that need special processing.  Be sure 
   to update the table attribute_names in ada-lang.c whenever you change this.
   */

enum ada_attribute {
  /* Invalid attribute for error checking. */
  ATR_INVALID,

  ATR_FIRST,
  ATR_LAST,
  ATR_LENGTH,
  ATR_IMAGE,
  ATR_IMG,
  ATR_MAX,
  ATR_MIN,
  ATR_MODULUS,
  ATR_POS,
  ATR_SIZE,
  ATR_TAG,
  ATR_VAL,

  /* Dummy last attribute. */
  ATR_END
};

enum task_states {
  Unactivated,
  Runnable,
  Terminated,
  Activator_Sleep,
  Acceptor_Sleep,
  Entry_Caller_Sleep,
  Async_Select_Sleep,
  Delay_Sleep,
  Master_Completion_Sleep,
  Master_Phase_2_Sleep
};

extern char *ada_task_states[];

typedef struct {
  char *P_ARRAY;
  int *P_BOUNDS;
} fat_string;

typedef struct entry_call {
  void *self;
} *entry_call_link;

struct task_fields
{
  int entry_num;
#if (defined (VXWORKS_TARGET) || !defined (i386)) \
    && !(defined (VXWORKS_TARGET) && defined (M68K_TARGET))
  int pad1;
#endif
  char state;
#if (defined (VXWORKS_TARGET) && defined (M68K_TARGET))
  char pad_8bits;
#endif
  void *parent;
  int priority;
  int current_priority;
  fat_string image;
  entry_call_link call;
#if (defined (sun) && defined (__SVR4)) && !defined (VXWORKS_TARGET)
  int pad2;
  unsigned thread;
  unsigned lwp;
#else
  void *thread;
  void *lwp;
#endif
}
#if (defined (VXWORKS_TARGET) && defined (M68K_TARGET))
__attribute__ ((packed))
#endif
;

struct task_entry
{
  void *task_id;
  int task_num;
  int known_tasks_index;
  struct task_entry *next_task;
  void *thread;
  void *lwp;
  int stack_per;
};

extern struct type* builtin_type_ada_int;
extern struct type* builtin_type_ada_short;
extern struct type* builtin_type_ada_long;
extern struct type* builtin_type_ada_long_long;
extern struct type* builtin_type_ada_char;
extern struct type* builtin_type_ada_float;
extern struct type* builtin_type_ada_double;
extern struct type* builtin_type_ada_long_double;
extern struct type* builtin_type_ada_natural;
extern struct type* builtin_type_ada_positive;
extern struct type* builtin_type_ada_system_address;

/* Assuming V points to an array of S objects,  make sure that it contains at 
   least M objects, updating V and S as necessary. */

#define GROW_VECT(v, s, m) 						\
   if ((s) < (m)) grow_vect ((void**) &(v), &(s), (m), sizeof(*(v)));

extern void grow_vect (void**, size_t*, size_t, int);

extern int ada_parse (void);	/* Defined in ada-exp.y */

extern void ada_error (char *);	/* Defined in ada-exp.y */

			/* Defined in ada-typeprint.c */ 
extern void ada_print_type (struct type*, char*, struct ui_file*, int, int);

extern int ada_val_print (struct type*, char*, int, CORE_ADDR, 
			  struct ui_file*, int, int, int, enum val_prettyprint);

extern int ada_value_print (struct value*, struct ui_file*, int, 
			    enum val_prettyprint);

				/* Defined in ada-lang.c */

extern struct value* value_from_contents_and_address (struct type*, char*, CORE_ADDR);

extern void ada_emit_char (int, struct ui_file *, int, int);

extern void ada_printchar (int, struct ui_file*);

extern void ada_printstr (struct ui_file*, char *, unsigned int, int, int);

extern void ada_convert_actuals (struct value*, int, struct value**, CORE_ADDR*);

extern struct value* ada_value_subscript (struct value*, int, struct value**);

extern struct type* ada_array_element_type (struct type*, int);

extern int ada_array_arity (struct type*);

struct type* ada_type_of_array (struct value*, int);

extern struct value* ada_coerce_to_simple_array (struct value*);

extern struct value* ada_coerce_to_simple_array_ptr (struct value*);

extern int ada_is_simple_array (struct type*);

extern int ada_is_array_descriptor (struct type*);

extern int ada_is_bogus_array_descriptor (struct type*);

extern struct type* ada_index_type (struct type*, int);

extern struct value* ada_array_bound (struct value*, int, int);

extern int ada_lookup_symbol_list (const char*, struct block*, namespace_enum,
				   struct symbol***, struct block***);

extern char*  ada_fold_name (const char*);

extern struct symbol* ada_lookup_symbol (const char*, struct block*, namespace_enum);

extern struct minimal_symbol* ada_lookup_minimal_symbol (const char*);

extern void ada_resolve (struct expression**, struct type*);

extern int ada_resolve_function (struct symbol**, struct block**, int, 
				 struct value**, int, const char*, struct type*);

extern void ada_fill_in_ada_prototype (struct symbol*);

extern int user_select_syms (struct symbol**, struct block**, int, int);

extern int get_selections (int*, int, int, int, char*);

extern char* ada_start_decode_line_1 (char*);

extern struct symtabs_and_lines ada_finish_decode_line_1 (char**, struct symtab*, int, char***);

extern int ada_scan_number (const char*, int, LONGEST*, int*);

extern struct type* ada_parent_type (struct type*);

extern int ada_is_ignored_field (struct type*, int);

extern int ada_is_packed_array_type (struct type*);

extern struct value* ada_value_primitive_packed_val (struct value*, char*, long, int,
						 int, struct type*);

extern struct type* ada_coerce_to_simple_array_type (struct type*);

extern int ada_is_character_type (struct type*);

extern int ada_is_string_type (struct type*);

extern int  ada_is_tagged_type (struct type*);

extern struct type* ada_tag_type (struct value*);

extern struct value* ada_value_tag (struct value*);

extern int ada_is_parent_field (struct type*, int);

extern int ada_is_wrapper_field (struct type*, int);

extern int ada_is_variant_part (struct type*, int);

extern struct type* ada_variant_discrim_type (struct type*, struct type*);

extern int ada_is_others_clause (struct type*, int);

extern int ada_in_variant (LONGEST, struct type*, int);

extern char* ada_variant_discrim_name (struct type*);

extern struct type* ada_lookup_struct_elt_type (struct type*, char*, int, int*);

extern struct value* ada_value_struct_elt (struct value*, char*, char*);

extern struct value* ada_search_struct_field (char*, struct value*, int, struct type*);

extern int ada_is_aligner_type (struct type*);

extern struct type* ada_aligned_type (struct type*);

extern char* ada_aligned_value_addr (struct type*, char*);

extern const char* ada_attribute_name (int);

extern int ada_is_fixed_point_type (struct type*);

extern DOUBLEST ada_delta (struct type*);

extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);

extern LONGEST ada_float_to_fixed (struct type*, DOUBLEST);

extern int ada_is_vax_floating_type (struct type*);

extern int ada_vax_float_type_suffix (struct type*);

extern struct value* ada_vax_float_print_function (struct type*);

extern struct type* ada_system_address_type (void);

extern int  ada_which_variant_applies (struct type*, struct type*, char*);

extern struct value* ada_to_fixed_value (struct type*, char*, CORE_ADDR, struct value*);

extern struct type* ada_to_fixed_type (struct type*, char*, CORE_ADDR, struct value*);

extern int ada_name_prefix_len (const char*);

extern char* ada_type_name (struct type*);

extern struct type* ada_find_parallel_type (struct type*, const char *suffix);

extern LONGEST get_int_var_value (char*, char*, int* );

extern struct type* ada_find_any_type (const char *name);

extern int ada_prefer_type (struct type*, struct type*);

extern struct type* ada_get_base_type (struct type*);

extern struct type* ada_completed_type (struct type*);

extern char*  ada_mangle (const char*);

extern const char* ada_enum_name (const char*);

extern int ada_is_modular_type (struct type*);

extern LONGEST ada_modulus (struct type*);

extern struct value* ada_value_ind (struct value*);

extern void ada_print_scalar (struct type*, LONGEST, struct ui_file*);

extern int ada_is_range_type_name (const char*);

extern const char* ada_renaming_type (struct type*);

extern int ada_is_object_renaming (struct symbol*);

extern const char* ada_simple_renamed_entity (struct symbol*);

extern char* ada_breakpoint_rewrite (char*, int*);

/* Tasking-related: ada-tasks.c */

extern int valid_task_id (int);

extern int get_current_task (void); 

extern void init_task_list (void);

extern void* get_self_id (void);

extern int get_current_task (void);

extern int get_entry_number (void*);

extern void ada_report_exception_break (struct breakpoint *);

extern int ada_maybe_exception_partial_symbol (struct partial_symbol* sym);

extern int ada_is_exception_sym (struct symbol* sym);


#endif