#include "defs.h"
#include "doublest.h"
#include "floatformat.h"
#include "gdb_assert.h"
#include "gdb_string.h"
#include "gdbtypes.h"
#include <math.h>

Defines
#define	FLOATFORMAT_CHAR_BIT 8
#define	FLOATFORMAT_LARGEST_BYTES 16
Functions
static unsigned long	get_field (const bfd_byte *data, enum floatformat_byteorders order, unsigned int total_len, unsigned int start, unsigned int len)
static enum floatformat_byteorders	floatformat_normalize_byteorder (const struct floatformat fmt, const void from, void *to)
static void	convert_floatformat_to_doublest (const struct floatformat fmt, const void from, DOUBLEST *to)
static void	put_field (unsigned char *data, enum floatformat_byteorders order, unsigned int total_len, unsigned int start, unsigned int len, unsigned long stuff_to_put)
static void	convert_doublest_to_floatformat (CONST struct floatformat fmt, const DOUBLEST from, void *to)
int	floatformat_is_negative (const struct floatformat fmt, const bfd_byte uval)
enum float_kind	floatformat_classify (const struct floatformat fmt, const bfd_byte uval)
const char *	floatformat_mantissa (const struct floatformat fmt, const bfd_byte val)
void	floatformat_to_doublest (const struct floatformat fmt, const void in, DOUBLEST *out)
void	floatformat_from_doublest (const struct floatformat fmt, const DOUBLEST in, void *out)
static struct floatformat *	floatformat_from_length (struct gdbarch *gdbarch, int len)
struct floatformat *	floatformat_from_type (const struct type *type)
DOUBLEST	extract_typed_floating (const void addr, const struct type type)
void	store_typed_floating (void addr, const struct type type, DOUBLEST val)
void	convert_typed_floating (const void from, const struct type from_type, void to, const struct type to_type)
Variables
static struct floatformat *	host_float_format = GDB_HOST_FLOAT_FORMAT
static struct floatformat *	host_double_format = GDB_HOST_DOUBLE_FORMAT
static struct floatformat *	host_long_double_format = GDB_HOST_LONG_DOUBLE_FORMAT

Define Documentation

#define FLOATFORMAT_CHAR_BIT 8

Definition at line 37 of file doublest.c.

Referenced by convert_doublest_to_floatformat(), convert_floatformat_to_doublest(), floatformat_classify(), floatformat_is_negative(), floatformat_mantissa(), floatformat_normalize_byteorder(), get_field(), and put_field().

#define FLOATFORMAT_LARGEST_BYTES 16

Definition at line 41 of file doublest.c.

Referenced by convert_doublest_to_floatformat(), convert_floatformat_to_doublest(), floatformat_classify(), floatformat_is_negative(), and floatformat_mantissa().

Function Documentation

static void convert_doublest_to_floatformat	(	CONST struct floatformat *	fmt,
		const DOUBLEST *	from,
		void *	to
	)		`[static]`

Definition at line 345 of file doublest.c.

References FLOATFORMAT_CHAR_BIT, floatformat_from_doublest(), FLOATFORMAT_LARGEST_BYTES, floatformat_normalize_byteorder(), L, gdb::printing::long, memcpy(), memset(), and put_field().

Referenced by floatformat_from_doublest().

static void convert_floatformat_to_doublest	(	const struct floatformat *	fmt,
		const void *	from,
		DOUBLEST *	to
	)		`[static]`

Definition at line 167 of file doublest.c.

References float_infinite, float_nan, FLOATFORMAT_CHAR_BIT, floatformat_classify(), FLOATFORMAT_LARGEST_BYTES, floatformat_normalize_byteorder(), floatformat_to_doublest(), gdb_assert, get_field(), and min.

Referenced by floatformat_to_doublest().

void convert_typed_floating	(	const void *	from,
		const struct type *	from_type,
		void *	to,
		const struct type *	to_type
	)

Definition at line 864 of file doublest.c.

References _, floatformat_from_doublest(), floatformat_from_type(), floatformat_to_doublest(), memcpy(), memset(), min, TYPE_LENGTH, and warning().

Referenced by do_ppc_sysv_return_value(), i386_extract_return_value(), i386_store_return_value(), i387_register_to_value(), i387_value_to_register(), ia64_extract_return_value(), ia64_push_dummy_call(), ia64_register_to_value(), ia64_store_return_value(), ia64_value_to_register(), m68k_register_to_value(), m68k_svr4_extract_return_value(), m68k_svr4_store_return_value(), m68k_value_to_register(), ppc64_sysv_abi_push_dummy_call(), ppc64_sysv_abi_push_float(), ppc64_sysv_abi_return_value(), ppc_sysv_abi_push_dummy_call(), rs6000_lynx178_push_dummy_call(), rs6000_lynx178_return_value(), rs6000_push_dummy_call(), rs6000_register_to_value(), rs6000_return_value(), and rs6000_value_to_register().

DOUBLEST extract_typed_floating	(	const void *	addr,
		const struct type *	type
	)

Definition at line 819 of file doublest.c.

References floatformat_from_type(), and floatformat_to_doublest().

Referenced by print_i387_value(), sh64_register_convert_to_raw(), sh_register_convert_to_raw(), unpack_double(), and unpack_long().

enum float_kind floatformat_classify	(	const struct floatformat *	fmt,
		const bfd_byte *	uval
	)

Definition at line 534 of file doublest.c.

References float_infinite, float_nan, float_normal, float_subnormal, float_zero, FLOATFORMAT_CHAR_BIT, FLOATFORMAT_LARGEST_BYTES, floatformat_normalize_byteorder(), gdb_assert, get_field(), and min.

Referenced by convert_floatformat_to_doublest(), and print_floating().

void floatformat_from_doublest	(	const struct floatformat *	fmt,
		const DOUBLEST *	in,
		void *	out
	)

Definition at line 729 of file doublest.c.

References convert_doublest_to_floatformat(), gdb_assert, host_double_format, host_float_format, host_long_double_format, and memcpy().

Referenced by convert_doublest_to_floatformat(), convert_from_extended(), convert_to_extended(), convert_typed_floating(), sh64_register_convert_to_raw(), sh_register_convert_to_raw(), and store_typed_floating().

static struct floatformat* floatformat_from_length	(	struct gdbarch *	gdbarch,
		int	len
	)		`[static, read]`

Definition at line 770 of file doublest.c.

References _, error(), gdbarch_byte_order(), gdbarch_double_bit(), gdbarch_double_format(), gdbarch_float_bit(), gdbarch_float_format(), gdbarch_half_bit(), gdbarch_half_format(), gdbarch_long_double_bit(), and gdbarch_long_double_format().

Referenced by floatformat_from_type().

struct floatformat* floatformat_from_type ( const struct type * type ) [read]

Definition at line 804 of file doublest.c.

References floatformat_from_length(), gdb_assert, gdbarch_byte_order(), get_type_arch(), TYPE_CODE, TYPE_CODE_FLT, TYPE_FLOATFORMAT, and TYPE_LENGTH.

Referenced by arm_extract_return_value(), arm_store_return_value(), convert_typed_floating(), extract_typed_floating(), print_floating(), store_typed_floating(), and unpack_double().

int floatformat_is_negative	(	const struct floatformat *	fmt,
		const bfd_byte *	uval
	)

Definition at line 508 of file doublest.c.

References FLOATFORMAT_CHAR_BIT, FLOATFORMAT_LARGEST_BYTES, floatformat_normalize_byteorder(), gdb_assert, and get_field().

Referenced by print_floating().

const char* floatformat_mantissa	(	const struct floatformat *	fmt,
		const bfd_byte *	val
	)

Definition at line 621 of file doublest.c.

References FLOATFORMAT_CHAR_BIT, FLOATFORMAT_LARGEST_BYTES, floatformat_normalize_byteorder(), gdb_assert, get_field(), len, and xsnprintf().

Referenced by print_floating().

static enum floatformat_byteorders floatformat_normalize_byteorder	(	const struct floatformat *	fmt,
		const void *	from,
		void *	to
	)		`[static]`

Definition at line 115 of file doublest.c.

References FLOATFORMAT_CHAR_BIT, and gdb_assert.

Referenced by convert_doublest_to_floatformat(), convert_floatformat_to_doublest(), floatformat_classify(), floatformat_is_negative(), and floatformat_mantissa().

void floatformat_to_doublest	(	const struct floatformat *	fmt,
		const void *	in,
		DOUBLEST *	out
	)

Definition at line 699 of file doublest.c.

References convert_floatformat_to_doublest(), gdb_assert, host_double_format, host_float_format, host_long_double_format, and memcpy().

Referenced by convert_floatformat_to_doublest(), convert_from_extended(), convert_to_extended(), convert_typed_floating(), extract_typed_floating(), sh64_extract_return_value(), sh64_register_convert_to_virtual(), and sh_register_convert_to_virtual().

static unsigned long get_field	(	const bfd_byte *	data,
		enum floatformat_byteorders	order,
		unsigned int	total_len,
		unsigned int	start,
		unsigned int	len
	)		`[static]`

Definition at line 46 of file doublest.c.

References FLOATFORMAT_CHAR_BIT, gdb_assert, len, and gdb::printing::long.

Referenced by convert_floatformat_to_doublest(), floatformat_classify(), floatformat_is_negative(), and floatformat_mantissa().

static void put_field	(	unsigned char *	data,
		enum floatformat_byteorders	order,
		unsigned int	total_len,
		unsigned int	start,
		unsigned int	len,
		unsigned long	stuff_to_put
	)		`[static]`