/* 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
- Free Software Foundation, Inc.
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008 Free Software Foundation, Inc.
This file is part of GDB.
struct symbol;
struct type;
struct ui_file;
+struct language_defn;
+struct value_print_options;
/* 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
struct value;
+/* Needed if another module needs to maintain its own list of values. */
+
+void value_prepend_to_list (struct value **head, struct value *val);
+void value_remove_from_list (struct value **head, struct value *val);
+
/* Values are stored in a chain, so that they can be deleted easily
- over calls to the inferior. Values assigned to internal variables
- or put into the value history are taken off this list. */
+ over calls to the inferior. Values assigned to internal variables,
+ put into the value history or exposed to Python are taken off this
+ list. */
struct value *value_next (struct value *);
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 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. */
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_at_lazy (struct type *type, CORE_ADDR addr);
+extern struct value *value_from_contents_and_address (struct type *,
+ const gdb_byte *,
+ CORE_ADDR);
+
extern struct value *default_value_from_register (struct type *type,
int regnum,
struct frame_info *frame);
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,
struct frame_info *frame);
extern struct value *allocate_value (struct type *type);
+extern struct value *allocate_value_lazy (struct type *type);
+extern void allocate_value_contents (struct value *value);
extern struct value *allocate_repeat_value (struct type *type, int count);
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_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_sub (struct value *arg1, struct value *arg2);
+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);
+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);
extern int destructor_name_p (const char *name, const struct type *type);
-#define value_free(val) xfree (val)
+extern void value_free (struct value *val);
extern void free_all_values (void);
extern void print_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);
+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,
+ const struct value_print_options *options);
extern void value_print_array_elements (struct value *val,
struct ui_file *stream, int format,
extern int val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int format,
- int deref_ref, int recurse,
- enum val_prettyprint pretty);
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options,
+ 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);
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options,
+ const struct language_defn *language);
extern int val_print_string (CORE_ADDR addr, int len, int width,
- struct ui_file *stream);
+ struct ui_file *stream,
+ const struct value_print_options *options);
extern void print_variable_value (struct symbol *var,
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 *find_function_in_inferior (const char *,
+ struct objfile **);
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