/* Definitions for values of C expressions, for GDB.
- Copyright 1986, 1987, 1989, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996
+ Free Software Foundation, Inc.
This file is part of GDB.
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if !defined (VALUE_H)
#define VALUE_H 1
variables or put into the value history are taken off this
list. */
struct value *next;
- /* If an lval is forced to repeat, a new value is created with
- these fields set. The new value is not an lval. */
- short repeated;
- short repetitions;
+
+ /* ??? When is this used? */
+ union {
+ CORE_ADDR memaddr;
+ char *myaddr;
+ } substring_addr;
+
/* Register number if the value is from a register. Is not kept
if you take a field of a structure that is stored in a
register. Shouldn't it be? */
long contents[1];
double force_double_align;
LONGEST force_longlong_align;
+ char *literal_data;
} aligner;
};
#define VALUE_BITSIZE(val) (val)->bitsize
#define VALUE_BITPOS(val) (val)->bitpos
#define VALUE_NEXT(val) (val)->next
-#define VALUE_REPEATED(val) (val)->repeated
-#define VALUE_REPETITIONS(val) (val)->repetitions
#define VALUE_REGNO(val) (val)->regno
#define VALUE_OPTIMIZED_OUT(val) ((val)->optimized_out)
-/* This is probably not the right thing to do for in-gdb arrays. FIXME */
-/* Overload the contents field to store literal data for
- arrays. */
-
-#define VALUE_LITERAL_DATA(val) ((val)->aligner.contents[0])
-
-/* Overload the frame address field to contain a pointer to
- the base substring, for F77 string substring operators.
- We use this ONLY when doing operations of the form
-
- FOO= 'hello'
- FOO(2:4) = 'foo'
-
- In the above case VALUE_SUBSTRING_START would point to
- FOO(2) in the original FOO string.
-
- Depending on whether the base object is allocated in the
- inferior or the superior process, VALUE_SUBSTRING_START
- contains a ptr. to memory in the relevant area. */
-
-#define VALUE_SUBSTRING_START(val) VALUE_FRAME(val)
-
/* Convert a REF to the object referenced. */
#define COERCE_REF(arg) \
-{ if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_REF) \
- arg = value_at_lazy (TYPE_TARGET_TYPE (VALUE_TYPE (arg)), \
- unpack_long (VALUE_TYPE (arg), \
- VALUE_CONTENTS (arg)));}
+do { CHECK_TYPEDEF (VALUE_TYPE (arg)); \
+ if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_REF) \
+ arg = value_at_lazy (TYPE_TARGET_TYPE (VALUE_TYPE (arg)), \
+ unpack_long (VALUE_TYPE (arg), \
+ VALUE_CONTENTS (arg))); \
+} while (0)
/* If ARG is an array, convert it to a pointer.
If ARG is an enum, convert it to an integer.
References are dereferenced. */
#define COERCE_ARRAY(arg) \
-{ COERCE_REF(arg); \
- if (VALUE_REPEATED (arg) \
- || TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \
+do { COERCE_REF(arg); \
+ if (current_language->c_style_arrays \
+ && TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \
arg = value_coerce_array (arg); \
if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_FUNC) \
arg = value_coerce_function (arg); \
- if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ENUM) \
- arg = value_cast (builtin_type_unsigned_int, arg); \
-}
+} while (0)
+
+#define COERCE_NUMBER(arg) \
+ do { COERCE_ARRAY(arg); COERCE_ENUM(arg); } while (0)
+
+#define COERCE_VARYING_ARRAY(arg, real_arg_type) \
+{ if (chill_varying_type (real_arg_type)) \
+ arg = varying_to_slice (arg), real_arg_type = VALUE_TYPE (arg); }
/* If ARG is an enum, convert it to an integer. */
-#define COERCE_ENUM(arg) \
-{ COERCE_REF (arg); \
+#define COERCE_ENUM(arg) { \
if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ENUM) \
arg = value_cast (builtin_type_unsigned_int, arg); \
}
extern LONGEST value_as_long PARAMS ((value_ptr val));
-extern double value_as_double PARAMS ((value_ptr val));
+extern DOUBLEST value_as_double PARAMS ((value_ptr val));
extern CORE_ADDR value_as_pointer PARAMS ((value_ptr val));
extern LONGEST unpack_long PARAMS ((struct type *type, char *valaddr));
-extern double unpack_double PARAMS ((struct type *type, char *valaddr,
- int *invp));
+extern DOUBLEST unpack_double PARAMS ((struct type *type, char *valaddr,
+ int *invp));
extern CORE_ADDR unpack_pointer PARAMS ((struct type *type, char *valaddr));
extern value_ptr value_from_longest PARAMS ((struct type *type, LONGEST num));
-extern value_ptr value_from_double PARAMS ((struct type *type, double num));
+extern value_ptr value_from_double PARAMS ((struct type *type, DOUBLEST num));
extern value_ptr value_at PARAMS ((struct type *type, CORE_ADDR addr));
extern value_ptr value_at_lazy PARAMS ((struct type *type, CORE_ADDR addr));
-/* FIXME: Assumes equivalence of "struct frame_info *" and "FRAME" */
extern value_ptr value_from_register PARAMS ((struct type *type, int regnum,
struct frame_info * frame));
extern int symbol_read_needs_frame PARAMS ((struct symbol *));
-/* FIXME: Assumes equivalence of "struct frame_info *" and "FRAME" */
extern value_ptr read_var_value PARAMS ((struct symbol *var,
struct frame_info *frame));
-/* FIXME: Assumes equivalence of "struct frame_info *" and "FRAME" */
extern value_ptr locate_var_value PARAMS ((struct symbol *var,
struct frame_info *frame));
extern void value_free_to_mark PARAMS ((value_ptr mark));
extern value_ptr value_string PARAMS ((char *ptr, int len));
+extern value_ptr value_bitstring PARAMS ((char *ptr, int len));
extern value_ptr value_array PARAMS ((int lowbound, int highbound,
value_ptr *elemvec));
extern value_ptr evaluate_type PARAMS ((struct expression *exp));
+extern value_ptr evaluate_subexp_with_coercion PARAMS ((struct expression *,
+ int *, enum noside));
+
extern value_ptr parse_and_eval PARAMS ((char *exp));
extern value_ptr parse_to_comma_and_eval PARAMS ((char **expp));
extern value_ptr value_x_binop PARAMS ((value_ptr arg1, value_ptr arg2,
enum exp_opcode op,
- enum exp_opcode otherop));
+ enum exp_opcode otherop,
+ enum noside noside));
-extern value_ptr value_x_unop PARAMS ((value_ptr arg1, enum exp_opcode op));
+extern value_ptr value_x_unop PARAMS ((value_ptr arg1, enum exp_opcode op,
+ enum noside noside));
extern value_ptr value_fn_field PARAMS ((value_ptr *arg1p, struct fn_field *f,
int j,
extern void
supply_register PARAMS ((int regno, char *val));
-/* FIXME: Assumes equivalence of "struct frame_info *" and "FRAME" */
extern void
get_saved_register PARAMS ((char *raw_buffer, int *optimized,
CORE_ADDR *addrp, struct frame_info *frame,
extern int
val_print_string PARAMS ((CORE_ADDR addr, unsigned int len, GDB_FILE *stream));
-/* FIXME: Assumes equivalence of "struct frame_info *" and "FRAME" */
extern void
print_variable_value PARAMS ((struct symbol *var, struct frame_info *frame,
GDB_FILE *stream));
-extern value_ptr value_arg_coerce PARAMS ((value_ptr));
-
extern int check_field PARAMS ((value_ptr, const char *));
extern void
-c_typedef_print PARAMS ((struct type *type, struct symbol *new, GDB_FILE *stream));
+c_typedef_print PARAMS ((struct type *type, struct symbol *news, GDB_FILE *stream));
extern char *
internalvar_name PARAMS ((struct internalvar *var));
extern value_ptr value_copy PARAMS ((value_ptr));
-extern int baseclass_offset PARAMS ((struct type *, int, value_ptr, int));
+extern int baseclass_offset PARAMS ((struct type *, int, char *, CORE_ADDR));
/* From valops.c */
+extern value_ptr varying_to_slice PARAMS ((value_ptr));
+
+extern value_ptr value_slice PARAMS ((value_ptr, int, int));
+
extern value_ptr call_function_by_hand PARAMS ((value_ptr, int, value_ptr *));
-extern value_ptr f77_value_literal_complex PARAMS ((value_ptr, value_ptr, int));
+extern value_ptr value_literal_complex PARAMS ((value_ptr, value_ptr, struct type*));
-extern value_ptr f77_value_literal_string PARAMS ((int, int, value_ptr *));
+extern value_ptr find_function_in_inferior PARAMS ((char *));
-extern value_ptr f77_value_substring PARAMS ((value_ptr, int, int));
+extern value_ptr value_allocate_space_in_inferior PARAMS ((int));
#endif /* !defined (VALUE_H) */