/* Definitions for values of C expressions, for GDB.
- Copyright (C) 1986-2012 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
extern void set_value_enclosing_type (struct value *val,
struct type *new_type);
+/* Returns value_type or value_enclosing_type depending on
+ value_print_options.objectprint.
+
+ If RESOLVE_SIMPLE_TYPES is 0 the enclosing type will be resolved
+ only for pointers and references, else it will be returned
+ for all the types (e.g. structures). This option is useful
+ to prevent retrieving enclosing type for the base classes fields.
+
+ REAL_TYPE_FOUND is used to inform whether the real type was found
+ (or just static type was used). The NULL may be passed if it is not
+ necessary. */
+
+extern struct type *value_actual_type (struct value *value,
+ int resolve_simple_types,
+ int *real_type_found);
+
extern int value_pointed_to_offset (struct value *value);
extern void set_value_pointed_to_offset (struct value *value, int val);
extern int value_embedded_offset (struct value *value);
const struct lval_funcs *funcs,
void *closure);
+/* Helper function to check the validity of some bits of a value.
+
+ If TYPE represents some aggregate type (e.g., a structure), return 1.
+
+ Otherwise, any of the bytes starting at OFFSET and extending for
+ TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and
+ return 0. The checking is done using FUNCS.
+
+ Otherwise, return 1. */
+
+extern int valprint_check_validity (struct ui_file *stream, struct type *type,
+ int embedded_offset,
+ const struct value *val);
+
extern struct value *allocate_optimized_out_value (struct type *type);
/* If VALUE is lval_computed, return its lval_funcs structure. */
struct frame_info;
struct fn_field;
-extern void print_address_demangle (struct gdbarch *, CORE_ADDR,
- struct ui_file *, int);
+extern int print_address_demangle (const struct value_print_options *,
+ struct gdbarch *, CORE_ADDR,
+ struct ui_file *, int);
extern LONGEST value_as_long (struct value *val);
extern DOUBLEST value_as_double (struct value *val);
extern struct value *value_of_variable (struct symbol *var,
const struct block *b);
-extern struct value *address_of_variable (struct symbol *var, struct block *b);
+extern struct value *address_of_variable (struct symbol *var,
+ const struct block *b);
extern struct value *value_of_register (int regnum, struct frame_info *frame);
extern void value_free_to_mark (struct value *mark);
-extern struct value *value_cstring (char *ptr, int len,
+extern struct value *value_cstring (char *ptr, ssize_t len,
struct type *char_type);
-extern struct value *value_string (char *ptr, int len,
+extern struct value *value_string (char *ptr, ssize_t len,
struct type *char_type);
-extern struct value *value_bitstring (char *ptr, int len,
- struct type *index_type);
extern struct value *value_array (int lowbound, int highbound,
struct value **elemvec);
extern struct value *value_static_field (struct type *type, int fieldno);
-extern struct fn_field *value_find_oload_method_list (struct value **,
- const char *,
- int, int *,
- struct type **, int *);
-
enum oload_search_type { NON_METHOD, METHOD, BOTH };
extern int find_overload_match (struct value **args, int nargs,
extern struct value *value_full_object (struct value *, struct type *, int,
int, int);
-extern struct value *value_cast_pointers (struct type *, struct value *);
+extern struct value *value_cast_pointers (struct type *, struct value *, int);
extern struct value *value_cast (struct type *type, struct value *arg2);
int index);
extern int using_struct_return (struct gdbarch *gdbarch,
- struct type *func_type,
+ struct value *function,
struct type *value_type);
extern struct value *evaluate_expression (struct expression *exp);
extern struct internalvar *create_internalvar (const char *name);
-typedef struct value * (*internalvar_make_value) (struct gdbarch *,
- struct internalvar *);
+extern VEC (char_ptr) *complete_internalvar (const char *name);
+
+/* An internalvar can be dynamically computed by supplying a vector of
+ function pointers to perform various operations. */
+
+struct internalvar_funcs
+{
+ /* Compute the value of the variable. The DATA argument passed to
+ the function is the same argument that was passed to
+ `create_internalvar_type_lazy'. */
+
+ struct value *(*make_value) (struct gdbarch *arch,
+ struct internalvar *var,
+ void *data);
+
+ /* Update the agent expression EXPR with bytecode to compute the
+ value. VALUE is the agent value we are updating. The DATA
+ argument passed to this function is the same argument that was
+ passed to `create_internalvar_type_lazy'. If this pointer is
+ NULL, then the internalvar cannot be compiled to an agent
+ expression. */
+
+ void (*compile_to_ax) (struct internalvar *var,
+ struct agent_expr *expr,
+ struct axs_value *value,
+ void *data);
+
+ /* If non-NULL, this is called to destroy DATA. The DATA argument
+ passed to this function is the same argument that was passed to
+ `create_internalvar_type_lazy'. */
+
+ void (*destroy) (void *data);
+};
+
extern struct internalvar *
- create_internalvar_type_lazy (char *name, internalvar_make_value fun);
+create_internalvar_type_lazy (const char *name,
+ const struct internalvar_funcs *funcs,
+ void *data);
+
+/* Compile an internal variable to an agent expression. VAR is the
+ variable to compile; EXPR and VALUE are the agent expression we are
+ updating. This will return 0 if there is no known way to compile
+ VAR, and 1 if VAR was successfully compiled. It may also throw an
+ exception on error. */
+
+extern int compile_internalvar_to_ax (struct internalvar *var,
+ struct agent_expr *expr,
+ struct axs_value *value);
extern struct internalvar *lookup_internalvar (const char *name);
struct ui_file *stream,
int indent);
-extern int check_field (struct type *, const char *);
-
extern void typedef_print (struct type *type, struct symbol *news,
struct ui_file *stream);
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