/* Definitions for values of C expressions, for GDB.
- Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2012 Free Software Foundation, Inc.
This file is part of GDB.
{
/* Fill in VALUE's contents. This is used to "un-lazy" values. If
a problem arises in obtaining VALUE's bits, this function should
- call 'error'. */
+ call 'error'. If it is NULL value_fetch_lazy on "un-lazy"
+ non-optimized-out value is an internal error. */
void (*read) (struct value *v);
/* Handle an assignment TOVAL = FROMVAL by writing the value of
FROMVAL to TOVAL's location. The contents of TOVAL have not yet
been updated. If a problem arises in doing so, this function
- should call 'error'. */
+ should call 'error'. If it is NULL such TOVAL assignment is an error as
+ TOVAL is not considered as an lvalue. */
void (*write) (struct value *toval, struct value *fromval);
/* Check the validity of some bits in VALUE. This should return 1
will fall back to ordinary indirection. */
struct value *(*indirect) (struct value *value);
+ /* If non-NULL, this is used to implement reference resolving for
+ this value. This method may return NULL, in which case coerce_ref
+ will fall back to ordinary references resolving. */
+ struct value *(*coerce_ref) (const struct value *value);
+
/* If non-NULL, this is used to determine whether the indicated bits
of VALUE are a synthetic pointer. */
int (*check_synthetic_pointer) (const struct value *value,
/* If VALUE is lval_computed, return its lval_funcs structure. */
-extern const struct lval_funcs *value_computed_funcs (struct value *value);
+extern const struct lval_funcs *value_computed_funcs (const struct value *);
/* If VALUE is lval_computed, return its closure. The meaning of the
returned value depends on the functions VALUE uses. */
extern enum lval_type *deprecated_value_lval_hack (struct value *);
#define VALUE_LVAL(val) (*deprecated_value_lval_hack (val))
+/* Like VALUE_LVAL, except the parameter can be const. */
+extern enum lval_type value_lval_const (const struct value *value);
+
/* If lval == lval_memory, return the address in the inferior. If
lval == lval_register, return the byte offset into the registers
structure. Otherwise, return 0. The returned address
extern short *deprecated_value_regnum_hack (struct value *);
#define VALUE_REGNUM(val) (*deprecated_value_regnum_hack (val))
+/* Return value after lval_funcs->coerce_ref (after check_typedef). Return
+ NULL if lval_funcs->coerce_ref is not applicable for whatever reason. */
+
+extern struct value *coerce_ref_if_computed (const struct value *arg);
+
/* Convert a REF to the object referenced. */
extern struct value *coerce_ref (struct value *value);
int regnum,
struct frame_info *frame);
+extern void read_frame_register_value (struct value *value,
+ struct frame_info *frame);
+
extern struct value *value_from_register (struct type *type, int regnum,
struct frame_info *frame);
extern CORE_ADDR address_from_register (struct type *type, int regnum,
struct frame_info *frame);
-extern struct value *value_of_variable (struct symbol *var, struct block *b);
+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);
enum oload_search_type { NON_METHOD, METHOD, BOTH };
-extern int find_overload_match (struct type **arg_types, int nargs,
+extern int find_overload_match (struct value **args, int nargs,
const char *name,
enum oload_search_type method, int lax,
struct value **objp, struct symbol *fsym,
extern void release_value (struct value *val);
+extern void release_value_or_incref (struct value *val);
+
extern int record_latest_value (struct value *val);
extern void modify_field (struct type *type, gdb_byte *addr,
LONGEST fieldval, int bitpos, int bitsize);
-extern void type_print (struct type *type, char *varstring,
+extern void type_print (struct type *type, const char *varstring,
struct ui_file *stream, int show);
extern char *type_to_string (struct type *type);