/home/stan/gdb/src/gdb/value.c File Reference

#include "defs.h"
#include "arch-utils.h"
#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "value.h"
#include "gdbcore.h"
#include "command.h"
#include "gdbcmd.h"
#include "target.h"
#include "language.h"
#include "demangle.h"
#include "doublest.h"
#include "gdb_assert.h"
#include "regcache.h"
#include "block.h"
#include "dfp.h"
#include "objfiles.h"
#include "valprint.h"
#include "cli/cli-decode.h"
#include "exceptions.h"
#include "python/python.h"
#include <ctype.h>
#include "tracepoint.h"
#include "cp-abi.h"
#include "user-regs.h"

Go to the source code of this file.

Defines
#define	VALUE_HISTORY_CHUNK   60
Typedefs
typedef struct range	range_s
Functions
void	_initialize_values (void)
	DEF_VEC_O (range_s)
int	value_bytes_available (const struct value *value, int offset, int length)
int	value_entirely_available (struct value *value)
int	value_entirely_unavailable (struct value *value)
void	mark_value_bytes_unavailable (struct value *value, int offset, int length)
int	value_available_contents_eq (const struct value *val1, int offset1, const struct value *val2, int offset2, int length)
struct value *	allocate_value_lazy (struct type *type)
struct value *	allocate_value (struct type *type)
struct value *	allocate_repeat_value (struct type *type, int count)
struct value *	allocate_computed_value (struct type *type, const struct lval_funcs *funcs, void *closure)
struct value *	allocate_optimized_out_value (struct type *type)
struct value *	value_next (struct value *value)
struct type *	value_type (const struct value *value)
void	deprecated_set_value_type (struct value *value, struct type *type)
int	value_offset (const struct value *value)
void	set_value_offset (struct value *value, int offset)
int	value_bitpos (const struct value *value)
void	set_value_bitpos (struct value *value, int bit)
int	value_bitsize (const struct value *value)
void	set_value_bitsize (struct value *value, int bit)
struct value *	value_parent (struct value *value)
void	set_value_parent (struct value *value, struct value *parent)
gdb_byte *	value_contents_raw (struct value *value)
gdb_byte *	value_contents_all_raw (struct value *value)
struct type *	value_enclosing_type (struct value *value)
struct type *	value_actual_type (struct value *value, int resolve_simple_types, int *real_type_found)
void	error_value_optimized_out (void)
const gdb_byte *	value_contents_for_printing (struct value *value)
const gdb_byte *	value_contents_for_printing_const (const struct value *value)
const gdb_byte *	value_contents_all (struct value *value)
void	value_contents_copy_raw (struct value *dst, int dst_offset, struct value *src, int src_offset, int length)
void	value_contents_copy (struct value *dst, int dst_offset, struct value *src, int src_offset, int length)
int	value_lazy (struct value *value)
void	set_value_lazy (struct value *value, int val)
int	value_stack (struct value *value)
void	set_value_stack (struct value *value, int val)
const gdb_byte *	value_contents (struct value *value)
gdb_byte *	value_contents_writeable (struct value *value)
int	value_contents_equal (struct value *val1, struct value *val2)
int	value_optimized_out (struct value *value)
int	value_optimized_out_const (const struct value *value)
void	set_value_optimized_out (struct value *value, int val)
int	value_entirely_optimized_out (const struct value *value)
int	value_bits_valid (const struct value *value, int offset, int length)
int	value_bits_synthetic_pointer (const struct value *value, int offset, int length)
int	value_embedded_offset (struct value *value)
void	set_value_embedded_offset (struct value *value, int val)
int	value_pointed_to_offset (struct value *value)
void	set_value_pointed_to_offset (struct value *value, int val)
struct lval_funcs *	value_computed_funcs (const struct value *v)
void *	value_computed_closure (const struct value *v)
enum lval_type *	deprecated_value_lval_hack (struct value *value)
enum lval_type	value_lval_const (const struct value *value)
CORE_ADDR	value_address (const struct value *value)
CORE_ADDR	value_raw_address (struct value *value)
void	set_value_address (struct value *value, CORE_ADDR addr)
struct internalvar **	deprecated_value_internalvar_hack (struct value *value)
struct frame_id *	deprecated_value_frame_id_hack (struct value *value)
short *	deprecated_value_regnum_hack (struct value *value)
int	deprecated_value_modifiable (struct value *value)
struct value *	value_mark (void)
void	value_incref (struct value *val)
void	value_free (struct value *val)
void	value_free_to_mark (struct value *mark)
void	free_all_values (void)
void	free_value_chain (struct value *v)
void	release_value (struct value *val)
void	release_value_or_incref (struct value *val)
struct value *	value_release_to_mark (struct value *mark)
struct value *	value_copy (struct value *arg)
struct value *	value_non_lval (struct value *arg)
void	set_value_component_location (struct value *component, const struct value *whole)
int	record_latest_value (struct value *val)
struct value *	access_value_history (int num)
struct internalvar *	lookup_only_internalvar (const char *name)
	VEC (char_ptr)
struct internalvar *	create_internalvar (const char *name)
struct internalvar *	create_internalvar_type_lazy (const char *name, const struct internalvar_funcs *funcs, void *data)
int	compile_internalvar_to_ax (struct internalvar *var, struct agent_expr *expr, struct axs_value *value)
struct internalvar *	lookup_internalvar (const char *name)
struct value *	value_of_internalvar (struct gdbarch *gdbarch, struct internalvar *var)
int	get_internalvar_integer (struct internalvar *var, LONGEST *result)
void	set_internalvar_component (struct internalvar *var, int offset, int bitpos, int bitsize, struct value *newval)
void	set_internalvar (struct internalvar *var, struct value *val)
void	set_internalvar_integer (struct internalvar *var, LONGEST l)
void	set_internalvar_string (struct internalvar *var, const char *string)
void	clear_internalvar (struct internalvar *var)
char *	internalvar_name (struct internalvar *var)
char *	value_internal_function_name (struct value *val)
struct value *	call_internal_function (struct gdbarch *gdbarch, const struct language_defn *language, struct value *func, int argc, struct value **argv)
void	add_internal_function (const char *name, const char *doc, internal_function_fn handler, void *cookie)
void	preserve_one_value (struct value *value, struct objfile *objfile, htab_t copied_types)
void	preserve_values (struct objfile *objfile)
LONGEST	value_as_long (struct value *val)
DOUBLEST	value_as_double (struct value *val)
CORE_ADDR	value_as_address (struct value *val)
LONGEST	unpack_long (struct type *type, const gdb_byte *valaddr)
DOUBLEST	unpack_double (struct type *type, const gdb_byte *valaddr, int *invp)
CORE_ADDR	unpack_pointer (struct type *type, const gdb_byte *valaddr)
struct value *	value_static_field (struct type *type, int fieldno)
void	set_value_enclosing_type (struct value *val, struct type *new_encl_type)
struct value *	value_primitive_field (struct value *arg1, int offset, int fieldno, struct type *arg_type)
struct value *	value_field (struct value *arg1, int fieldno)
struct value *	value_fn_field (struct value **arg1p, struct fn_field *f, int j, struct type *type, int offset)
int	unpack_value_bits_as_long (struct type *field_type, const gdb_byte *valaddr, int embedded_offset, int bitpos, int bitsize, const struct value *original_value, LONGEST *result)
int	unpack_value_field_as_long (struct type *type, const gdb_byte *valaddr, int embedded_offset, int fieldno, const struct value *val, LONGEST *result)
LONGEST	unpack_field_as_long (struct type *type, const gdb_byte *valaddr, int fieldno)
struct value *	value_field_bitfield (struct type *type, int fieldno, const gdb_byte *valaddr, int embedded_offset, const struct value *val)
void	modify_field (struct type *type, gdb_byte *addr, LONGEST fieldval, int bitpos, int bitsize)
void	pack_long (gdb_byte *buf, struct type *type, LONGEST num)
struct value *	value_from_longest (struct type *type, LONGEST num)
struct value *	value_from_ulongest (struct type *type, ULONGEST num)
struct value *	value_from_pointer (struct type *type, CORE_ADDR addr)
struct value *	value_from_contents_and_address (struct type *type, const gdb_byte *valaddr, CORE_ADDR address)
struct value *	value_from_contents (struct type *type, const gdb_byte *contents)
struct value *	value_from_double (struct type *type, DOUBLEST num)
struct value *	value_from_decfloat (struct type *type, const gdb_byte *dec)
struct value *	value_from_history_ref (char *h, char **endp)
struct value *	coerce_ref_if_computed (const struct value *arg)
struct value *	readjust_indirect_value_type (struct value *value, struct type *enc_type, struct type *original_type, struct value *original_value)
struct value *	coerce_ref (struct value *arg)
struct value *	coerce_array (struct value *arg)
enum return_value_convention	struct_return_convention (struct gdbarch *gdbarch, struct value *function, struct type *value_type)
int	using_struct_return (struct gdbarch *gdbarch, struct value *function, struct type *value_type)
void	set_value_initialized (struct value *val, int status)
int	value_initialized (struct value *val)
int	value_fetch_lazy (struct value *val)

---

Define Documentation

#define VALUE_HISTORY_CHUNK   60

Definition at line 649 of file value.c.

---

Typedef Documentation

typedef struct range range_s

Definition at line 77 of file value.c.

---

Function Documentation

void _initialize_values

(

void

)

struct value* access_value_history

(

int

num

)

[read]

Definition at line 1553 of file value.c.

void add_internal_function	(	const char *	name,
		const char *	doc,
		internal_function_fn	handler,
		void *	cookie
	)

Definition at line 2192 of file value.c.

struct value* allocate_computed_value	(	struct type *	type,
		const struct lval_funcs *	funcs,
		void *	closure
	)		[read]

Definition at line 750 of file value.c.

struct value* allocate_optimized_out_value

(

struct type *

type

)

[read]

Definition at line 766 of file value.c.

struct value* allocate_repeat_value	(	struct type *	type,
		int	count
	)		[read]

Definition at line 738 of file value.c.

struct value* allocate_value

(

struct type *

type

)

[read]

Definition at line 725 of file value.c.

struct value* allocate_value_lazy

(

struct type *

type

)

[read]

Definition at line 675 of file value.c.

struct value* call_internal_function	(	struct gdbarch *	gdbarch,
		const struct language_defn *	language,
		struct value *	func,
		int	argc,
		struct value **	argv
	)		[read]

Definition at line 2154 of file value.c.

void clear_internalvar

(

struct internalvar *

var

)

Definition at line 2096 of file value.c.

struct value* coerce_array

(

struct value *

arg

)

[read]

Definition at line 3366 of file value.c.

struct value* coerce_ref

(

struct value *

arg

)

[read]

Definition at line 3342 of file value.c.

struct value* coerce_ref_if_computed

(

const struct value *

arg

)

[read]

Definition at line 3306 of file value.c.

int compile_internalvar_to_ax	(	struct internalvar *	var,
		struct agent_expr *	expr,
		struct axs_value *	value
	)

Definition at line 1827 of file value.c.

struct internalvar* create_internalvar

(

const char *

name

)

[read]

Definition at line 1792 of file value.c.

struct internalvar* create_internalvar_type_lazy	(	const char *	name,
		const struct internalvar_funcs *	funcs,
		void *	data
	)		[read]

Definition at line 1812 of file value.c.

DEF_VEC_O

(

range_s

)

void deprecated_set_value_type	(	struct value *	value,
		struct type *	type
	)

Definition at line 789 of file value.c.

struct frame_id* deprecated_value_frame_id_hack

(

struct value *

value

)

[read]

Definition at line 1236 of file value.c.

struct internalvar** deprecated_value_internalvar_hack

(

struct value *

value

)

[read]

Definition at line 1230 of file value.c.

enum lval_type* deprecated_value_lval_hack

(

struct value *

value

)

Definition at line 1189 of file value.c.

int deprecated_value_modifiable

(

struct value *

value

)

Definition at line 1248 of file value.c.

short* deprecated_value_regnum_hack

(

struct value *

value

)

Definition at line 1242 of file value.c.

void error_value_optimized_out

(

void

)

Definition at line 911 of file value.c.

void free_all_values

(

void

)

Definition at line 1326 of file value.c.

void free_value_chain

(

struct value *

v

)

Definition at line 1344 of file value.c.

int get_internalvar_integer	(	struct internalvar *	var,
		LONGEST *	result
	)

Definition at line 1948 of file value.c.

char* internalvar_name

(

struct internalvar *

var

)

Definition at line 2123 of file value.c.

struct internalvar* lookup_internalvar

(

const char *

name

)

[read]

Definition at line 1847 of file value.c.

struct internalvar* lookup_only_internalvar

(

const char *

name

)

[read]

Definition at line 1753 of file value.c.

void mark_value_bytes_unavailable	(	struct value *	value,
		int	offset,
		int	length
	)

Definition at line 382 of file value.c.

void modify_field	(	struct type *	type,
		gdb_byte *	addr,
		LONGEST	fieldval,
		int	bitpos,
		int	bitsize
	)

Definition at line 3040 of file value.c.

void pack_long	(	gdb_byte *	buf,
		struct type *	type,
		LONGEST	num
	)

Definition at line 3087 of file value.c.

void preserve_one_value	(	struct value *	value,
		struct objfile *	objfile,
		htab_t	copied_types
	)

Definition at line 2211 of file value.c.

void preserve_values

(

struct objfile *

objfile

)

Definition at line 2250 of file value.c.

struct value* readjust_indirect_value_type	(	struct value *	value,
		struct type *	enc_type,
		struct type *	original_type,
		struct value *	original_value
	)		[read]

Definition at line 3326 of file value.c.

int record_latest_value

(

struct value *

val

)

Definition at line 1511 of file value.c.

void release_value

(

struct value *

val

)

Definition at line 1359 of file value.c.

void release_value_or_incref

(

struct value *

val

)

Definition at line 1389 of file value.c.

void set_internalvar	(	struct internalvar *	var,
		struct value *	val
	)

Definition at line 2011 of file value.c.

void set_internalvar_component	(	struct internalvar *	var,
		int	offset,
		int	bitpos,
		int	bitsize,
		struct value *	newval
	)

Definition at line 1986 of file value.c.

void set_internalvar_integer	(	struct internalvar *	var,
		LONGEST	l
	)

Definition at line 2063 of file value.c.

void set_internalvar_string	(	struct internalvar *	var,
		const char *	string
	)

Definition at line 2074 of file value.c.

void set_value_address	(	struct value *	value,
		CORE_ADDR	addr
	)

Definition at line 1222 of file value.c.

void set_value_bitpos	(	struct value *	value,
		int	bit
	)

Definition at line 811 of file value.c.

void set_value_bitsize	(	struct value *	value,
		int	bit
	)

Definition at line 822 of file value.c.

void set_value_component_location	(	struct value *	component,
		const struct value *	whole
	)

Definition at line 1484 of file value.c.

void set_value_embedded_offset	(	struct value *	value,
		int	val
	)

Definition at line 1155 of file value.c.

void set_value_enclosing_type	(	struct value *	val,
		struct type *	new_encl_type
	)

Definition at line 2646 of file value.c.

void set_value_initialized	(	struct value *	val,
		int	status
	)

Definition at line 3424 of file value.c.

void set_value_lazy	(	struct value *	value,
		int	val
	)

Definition at line 1037 of file value.c.

void set_value_offset	(	struct value *	value,
		int	offset
	)

Definition at line 800 of file value.c.

void set_value_optimized_out	(	struct value *	value,
		int	val
	)

Definition at line 1108 of file value.c.

void set_value_parent	(	struct value *	value,
		struct value *	parent
	)

Definition at line 836 of file value.c.

void set_value_pointed_to_offset	(	struct value *	value,
		int	val
	)

Definition at line 1167 of file value.c.

void set_value_stack	(	struct value *	value,
		int	val
	)

Definition at line 1049 of file value.c.

enum return_value_convention struct_return_convention	(	struct gdbarch *	gdbarch,
		struct value *	function,
		struct type *	value_type
	)

Definition at line 3391 of file value.c.

DOUBLEST unpack_double	(	struct type *	type,
		const gdb_byte *	valaddr,
		int *	invp
	)

Definition at line 2517 of file value.c.

LONGEST unpack_field_as_long	(	struct type *	type,
		const gdb_byte *	valaddr,
		int	fieldno
	)

Definition at line 2997 of file value.c.

LONGEST unpack_long	(	struct type *	type,
		const gdb_byte *	valaddr
	)

Definition at line 2467 of file value.c.

CORE_ADDR unpack_pointer	(	struct type *	type,
		const gdb_byte *	valaddr
	)

Definition at line 2584 of file value.c.

int unpack_value_bits_as_long	(	struct type *	field_type,
		const gdb_byte *	valaddr,
		int	embedded_offset,
		int	bitpos,
		int	bitsize,
		const struct value *	original_value,
		LONGEST *	result
	)

Definition at line 2944 of file value.c.

int unpack_value_field_as_long	(	struct type *	type,
		const gdb_byte *	valaddr,
		int	embedded_offset,
		int	fieldno,
		const struct value *	val,
		LONGEST *	result
	)

Definition at line 2981 of file value.c.

int using_struct_return	(	struct gdbarch *	gdbarch,
		struct value *	function,
		struct type *	value_type
	)

Definition at line 3409 of file value.c.

struct type* value_actual_type	(	struct value *	value,
		int	resolve_simple_types,
		int *	real_type_found
	)		[read]

Definition at line 869 of file value.c.

CORE_ADDR value_address

(

const struct value *

value

)

Definition at line 1201 of file value.c.

CORE_ADDR value_as_address

(

struct value *

val

)

Definition at line 2349 of file value.c.

DOUBLEST value_as_double

(

struct value *

val

)

Definition at line 2334 of file value.c.

LONGEST value_as_long

(

struct value *

val

)

Definition at line 2324 of file value.c.

int value_available_contents_eq	(	const struct value *	val1,
		int	offset1,
		const struct value *	val2,
		int	offset2,
		int	length
	)

Definition at line 566 of file value.c.

int value_bitpos

(

const struct value *

value

)

Definition at line 806 of file value.c.

int value_bits_synthetic_pointer	(	const struct value *	value,
		int	offset,
		int	length
	)

Definition at line 1137 of file value.c.

int value_bits_valid	(	const struct value *	value,
		int	offset,
		int	length
	)

Definition at line 1125 of file value.c.

int value_bitsize

(

const struct value *

value

)

Definition at line 817 of file value.c.

int value_bytes_available	(	const struct value *	value,
		int	offset,
		int	length
	)

Definition at line 341 of file value.c.

void* value_computed_closure

(

const struct value *

v

)

Definition at line 1181 of file value.c.

struct lval_funcs* value_computed_funcs

(

const struct value *

v

)

[read]

Definition at line 1173 of file value.c.

const gdb_byte* value_contents

(

struct value *

value

)

Definition at line 1055 of file value.c.

const gdb_byte* value_contents_all

(

struct value *

value

)

Definition at line 951 of file value.c.

gdb_byte* value_contents_all_raw

(

struct value *

value

)

Definition at line 854 of file value.c.

void value_contents_copy	(	struct value *	dst,
		int	dst_offset,
		struct value *	src,
		int	src_offset,
		int	length
	)

Definition at line 1019 of file value.c.

void value_contents_copy_raw	(	struct value *	dst,
		int	dst_offset,
		struct value *	src,
		int	src_offset,
		int	length
	)

Definition at line 970 of file value.c.

int value_contents_equal	(	struct value *	val1,
		struct value *	val2
	)

Definition at line 1076 of file value.c.

const gdb_byte* value_contents_for_printing

(

struct value *

value

)

Definition at line 936 of file value.c.

const gdb_byte* value_contents_for_printing_const

(

const struct value *

value

)

Definition at line 944 of file value.c.

gdb_byte* value_contents_raw

(

struct value *

value

)

Definition at line 847 of file value.c.

gdb_byte* value_contents_writeable

(

struct value *

value

)

Definition at line 1064 of file value.c.

struct value* value_copy

(

struct value *

arg

)

[read]

Definition at line 1423 of file value.c.

int value_embedded_offset

(

struct value *

value

)

Definition at line 1149 of file value.c.

struct type* value_enclosing_type

(

struct value *

value

)

[read]

Definition at line 861 of file value.c.

int value_entirely_available

(

struct value *

value

)

Definition at line 349 of file value.c.

int value_entirely_optimized_out

(

const struct value *

value

)

Definition at line 1114 of file value.c.

int value_entirely_unavailable

(

struct value *

value

)

Definition at line 362 of file value.c.

int value_fetch_lazy

(

struct value *

val

)

Definition at line 3452 of file value.c.

struct value* value_field	(	struct value *	arg1,
		int	fieldno
	)		[read]

Definition at line 2791 of file value.c.

struct value* value_field_bitfield	(	struct type *	type,
		int	fieldno,
		const gdb_byte *	valaddr,
		int	embedded_offset,
		const struct value *	val
	)		[read]

Definition at line 3012 of file value.c.

struct value* value_fn_field	(	struct value **	arg1p,
		struct fn_field *	f,
		int	j,
		struct type *	type,
		int	offset
	)		[read]

Definition at line 2804 of file value.c.

void value_free

(

struct value *

val

)

Definition at line 1276 of file value.c.

void value_free_to_mark

(

struct value *

mark

)

Definition at line 1307 of file value.c.

struct value* value_from_contents	(	struct type *	type,
		const gdb_byte *	contents
	)		[read]

Definition at line 3217 of file value.c.

struct value* value_from_contents_and_address	(	struct type *	type,
		const gdb_byte *	valaddr,
		CORE_ADDR	address
	)		[read]

Definition at line 3198 of file value.c.

struct value* value_from_decfloat	(	struct type *	type,
		const gdb_byte *	dec
	)		[read]

Definition at line 3244 of file value.c.

struct value* value_from_double	(	struct type *	type,
		DOUBLEST	num
	)		[read]

Definition at line 3227 of file value.c.

struct value* value_from_history_ref	(	char *	h,
		char **	endp
	)		[read]

Definition at line 3257 of file value.c.

struct value* value_from_longest	(	struct type *	type,
		LONGEST	num
	)		[read]

Definition at line 3159 of file value.c.

struct value* value_from_pointer	(	struct type *	type,
		CORE_ADDR	addr
	)		[read]

Definition at line 3184 of file value.c.

struct value* value_from_ulongest	(	struct type *	type,
		ULONGEST	num
	)		[read]

Definition at line 3171 of file value.c.

void value_incref

(

struct value *

val

)

Definition at line 1266 of file value.c.

int value_initialized

(

struct value *

val

)

Definition at line 3432 of file value.c.

char* value_internal_function_name

(

struct value *

val

)

Definition at line 2141 of file value.c.

int value_lazy

(

struct value *

value

)

Definition at line 1031 of file value.c.

enum lval_type value_lval_const

(

const struct value *

value

)

Definition at line 1195 of file value.c.

struct value* value_mark

(

void

)

[read]

Definition at line 1257 of file value.c.

struct value* value_next

(

struct value *

value

)

[read]

Definition at line 778 of file value.c.

struct value* value_non_lval

(

struct value *

arg

)

[read]

Definition at line 1466 of file value.c.

struct value* value_of_internalvar	(	struct gdbarch *	gdbarch,
		struct internalvar *	var
	)		[read]

Definition at line 1862 of file value.c.

int value_offset

(

const struct value *

value

)

Definition at line 795 of file value.c.

int value_optimized_out

(

struct value *

value

)

Definition at line 1091 of file value.c.

int value_optimized_out_const

(

const struct value *

value

)

Definition at line 1102 of file value.c.

struct value* value_parent

(

struct value *

value

)

[read]

Definition at line 828 of file value.c.

int value_pointed_to_offset

(

struct value *

value

)

Definition at line 1161 of file value.c.

struct value* value_primitive_field	(	struct value *	arg1,
		int	offset,
		int	fieldno,
		struct type *	arg_type
	)		[read]

Definition at line 2661 of file value.c.

CORE_ADDR value_raw_address

(

struct value *

value

)

Definition at line 1213 of file value.c.

struct value* value_release_to_mark

(

struct value *

mark

)

[read]

Definition at line 1399 of file value.c.

int value_stack

(

struct value *

value

)

Definition at line 1043 of file value.c.

struct value* value_static_field	(	struct type *	type,
		int	fieldno
	)		[read]

Definition at line 2597 of file value.c.

struct type* value_type

(

const struct value *

value

)

[read]

Definition at line 784 of file value.c.

VEC

(

char_ptr

)

Definition at line 1768 of file value.c.