/* 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
- Free Software Foundation, Inc.
+ 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 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (VALUE_H)
#define VALUE_H 1
struct symbol;
struct type;
struct ui_file;
+struct language_defn;
/* The structure which defines the type of a value. It should never
be possible for a program lval value to survive over a call to the
extern void set_value_bitsize (struct value *, int bit);
/* Only used for bitfields; position of start of field. For
- BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. For
- BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */
+ gdbarch_bits_big_endian=0 targets, it is the position of the LSB. For
+ gdbarch_bits_big_endian=1 targets, it is the position of the MSB. */
extern int value_bitpos (struct value *);
extern void set_value_bitpos (struct value *, int bit);
extern void set_value_embedded_offset (struct value *value, int val);
/* If zero, contents of this value are in the contents field. If
- nonzero, contents are in inferior memory at address in the
- location.address field plus the offset field (and the lval field
- should be lval_memory).
+ nonzero, contents are in inferior. If the lval field is lval_memory,
+ the contents are in inferior memory at location.address plus offset.
+ The lval field may also be lval_register.
WARNING: This field is used by the code which handles watchpoints
(see breakpoint.c) to decide whether a particular value can be
extern int value_optimized_out (struct value *value);
extern void set_value_optimized_out (struct value *value, int val);
+/* Set or return field indicating whether a variable is initialized or
+ not, based on debugging information supplied by the compiler.
+ 1 = initialized; 0 = uninitialized. */
+extern int value_initialized (struct value *);
+extern void set_value_initialized (struct value *, int);
+
/* While the following fields are per- VALUE .CONTENT .PIECE (i.e., a
single value might have multiple LVALs), this hacked interface is
limited to just the first PIECE. Expect further change. */
extern struct value *coerce_ref (struct value *value);
/* If ARG is an array, convert it to a pointer.
- If ARG is an enum, convert it to an integer.
If ARG is a function, convert it to a function pointer.
References are dereferenced. */
extern struct value *coerce_array (struct value *value);
-extern struct value *coerce_number (struct value *value);
-
-/* If ARG is an enum, convert it to an integer. */
-
-extern struct value *coerce_enum (struct value *value);
/* Internal variables (variables for convenience of use of debugger)
are recorded as a chain of these structures. */
const gdb_byte *valaddr,
int fieldno);
+extern void pack_long (gdb_byte *buf, struct type *type, LONGEST num);
+
extern struct value *value_from_longest (struct type *type, LONGEST num);
extern struct value *value_from_pointer (struct type *type, CORE_ADDR addr);
extern struct value *value_from_double (struct type *type, DOUBLEST num);
+extern struct value *value_from_decfloat (struct type *type,
+ const gdb_byte *decbytes);
extern struct value *value_from_string (char *string);
extern struct value *value_at (struct type *type, CORE_ADDR addr);
extern struct value *value_of_register (int regnum, struct frame_info *frame);
+struct value *value_of_register_lazy (struct frame_info *frame, int regnum);
+
extern int symbol_read_needs_frame (struct symbol *);
extern struct value *read_var_value (struct symbol *var,
extern struct value *value_binop (struct value *arg1, struct value *arg2,
enum exp_opcode op);
-extern struct value *value_add (struct value *arg1, struct value *arg2);
+extern struct value *value_ptradd (struct value *arg1, struct value *arg2);
-extern struct value *value_sub (struct value *arg1, struct value *arg2);
+extern struct value *value_ptrsub (struct value *arg1, struct value *arg2);
+
+extern LONGEST value_ptrdiff (struct value *arg1, struct value *arg2);
+
+extern int value_must_coerce_to_target (struct value *arg1);
+
+extern struct value *value_coerce_to_target (struct value *arg1);
extern struct value *value_coerce_array (struct value *arg1);
extern struct value *value_zero (struct type *type, enum lval_type lv);
+extern struct value *value_one (struct type *type, enum lval_type lv);
+
extern struct value *value_repeat (struct value *arg1, int count);
extern struct value *value_subscript (struct value *array, struct value *idx);
+extern struct value *value_bitstring_subscript (struct type *type,
+ struct value *bitstring,
+ struct value *idx);
+
extern struct value *register_value_being_returned (struct type *valtype,
struct regcache *retbuf);
-extern struct value *value_in (struct value *element, struct value *set);
+extern int value_in (struct value *element, struct value *set);
extern int value_bit_index (struct type *type, const gdb_byte *addr,
int index);
-extern int using_struct_return (struct type *value_type, int gcc_p);
+extern int using_struct_return (struct type *func_type,
+ struct type *value_type);
extern struct value *evaluate_expression (struct expression *exp);
extern struct value *evaluate_type (struct expression *exp);
+extern struct value *evaluate_subexpression_type (struct expression *exp,
+ int subexp);
+
+extern char *extract_field_op (struct expression *exp, int *subexp);
+
extern struct value *evaluate_subexp_with_coercion (struct expression *,
int *, enum noside);
extern LONGEST parse_and_eval_long (char *exp);
+extern void unop_promote (const struct language_defn *language,
+ struct gdbarch *gdbarch,
+ struct value **arg1);
+
+extern void binop_promote (const struct language_defn *language,
+ struct gdbarch *gdbarch,
+ struct value **arg1, struct value **arg2);
+
extern struct value *access_value_history (int num);
extern struct value *value_of_internalvar (struct internalvar *var);
int bitpos, int bitsize,
struct value *newvalue);
+extern struct internalvar *lookup_only_internalvar (char *name);
+
+extern struct internalvar *create_internalvar (char *name);
+
extern struct internalvar *lookup_internalvar (char *name);
extern int value_equal (struct value *arg1, struct value *arg2);
extern void print_floating (const gdb_byte *valaddr, struct type *type,
struct ui_file *stream);
+extern void print_decimal_floating (const gdb_byte *valaddr, struct type *type,
+ struct ui_file *stream);
+
extern int value_print (struct value *val, struct ui_file *stream, int format,
enum val_prettyprint pretty);
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int format,
int deref_ref, int recurse,
- enum val_prettyprint pretty);
+ enum val_prettyprint pretty,
+ const struct language_defn *language);
extern int common_val_print (struct value *val,
struct ui_file *stream, int format,
int deref_ref, int recurse,
- enum val_prettyprint pretty);
+ enum val_prettyprint pretty,
+ const struct language_defn *language);
extern int val_print_string (CORE_ADDR addr, int len, int width,
struct ui_file *stream);
struct frame_info *frame,
struct ui_file *stream);
-extern int check_field (struct value *, const char *);
+extern int check_field (struct type *, const char *);
extern void typedef_print (struct type *type, struct symbol *news,
struct ui_file *stream);
extern struct value *value_literal_complex (struct value *, struct value *,
struct type *);
-extern void find_rt_vbase_offset (struct type *, struct type *,
- const gdb_byte *, int, int *, int *);
-
extern struct value *find_function_in_inferior (const char *);
extern struct value *value_allocate_space_in_inferior (int);
extern struct value *value_of_local (const char *name, int complain);
+extern struct value * value_subscripted_rvalue (struct value *array, struct value *idx, int lowerbound);
#endif /* !defined (VALUE_H) */
projects / deliverable / binutils-gdb.git / blobdiff