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

#include "defs.h"
#include "expression.h"
#include "gdbtypes.h"
#include "value.h"
#include "dfp.h"
#include "dpd/decimal128.h"
#include "dpd/decimal64.h"
#include "dpd/decimal32.h"

Go to the source code of this file.

Defines
#define	OPPOSITE_BYTE_ORDER   BFD_ENDIAN_BIG
Functions
static void	match_endianness (const gdb_byte *from, int len, enum bfd_endian byte_order, gdb_byte *to)
static void	set_decnumber_context (decContext *ctx, int len)
static void	decimal_check_errors (decContext *ctx)
static void	decimal_from_number (const decNumber *from, gdb_byte *to, int len)
static void	decimal_to_number (const gdb_byte *from, int len, decNumber *to)
void	decimal_to_string (const gdb_byte *decbytes, int len, enum bfd_endian byte_order, char *s)
int	decimal_from_string (gdb_byte *decbytes, int len, enum bfd_endian byte_order, const char *string)
void	decimal_from_integral (struct value *from, gdb_byte *to, int len, enum bfd_endian byte_order)
void	decimal_from_floating (struct value *from, gdb_byte *to, int len, enum bfd_endian byte_order)
DOUBLEST	decimal_to_doublest (const gdb_byte *from, int len, enum bfd_endian byte_order)
void	decimal_binop (enum exp_opcode op, const gdb_byte *x, int len_x, enum bfd_endian byte_order_x, const gdb_byte *y, int len_y, enum bfd_endian byte_order_y, gdb_byte *result, int len_result, enum bfd_endian byte_order_result)
int	decimal_is_zero (const gdb_byte *x, int len, enum bfd_endian byte_order)
int	decimal_compare (const gdb_byte *x, int len_x, enum bfd_endian byte_order_x, const gdb_byte *y, int len_y, enum bfd_endian byte_order_y)
void	decimal_convert (const gdb_byte *from, int len_from, enum bfd_endian byte_order_from, gdb_byte *to, int len_to, enum bfd_endian byte_order_to)

---

Define Documentation

#define OPPOSITE_BYTE_ORDER   BFD_ENDIAN_BIG

Referenced by match_endianness().

---

Function Documentation

void decimal_binop	(	enum exp_opcode	op,
		const gdb_byte *	x,
		int	len_x,
		enum bfd_endian	byte_order_x,
		const gdb_byte *	y,
		int	len_y,
		enum bfd_endian	byte_order_y,
		gdb_byte *	result,
		int	len_result,
		enum bfd_endian	byte_order_result
	)

Definition at line 269 of file dfp.c.

References _, decimal_check_errors(), decimal_from_number(), decimal_to_number(), internal_error(), match_endianness(), and set_decnumber_context().

Referenced by scalar_binop().

static void decimal_check_errors

(

decContext *

ctx

)

[static]

Definition at line 81 of file dfp.c.

References _, and error().

Referenced by decimal_binop(), decimal_compare(), and decimal_from_string().

int decimal_compare	(	const gdb_byte *	x,
		int	len_x,
		enum bfd_endian	byte_order_x,
		const gdb_byte *	y,
		int	len_y,
		enum bfd_endian	byte_order_y
	)

Definition at line 335 of file dfp.c.

References _, decimal_check_errors(), decimal_to_number(), error(), match_endianness(), and set_decnumber_context().

Referenced by value_equal(), and value_less().

void decimal_convert	(	const gdb_byte *	from,
		int	len_from,
		enum bfd_endian	byte_order_from,
		gdb_byte *	to,
		int	len_to,
		enum bfd_endian	byte_order_to
	)

Definition at line 371 of file dfp.c.

References decimal_from_number(), decimal_to_number(), and match_endianness().

Referenced by printf_decfloat(), and value_cast().

void decimal_from_floating	(	struct value *	from,
		gdb_byte *	to,
		int	len,
		enum bfd_endian	byte_order
	)

Definition at line 241 of file dfp.c.

References decimal_from_string(), DOUBLEST_PRINT_FORMAT, value_as_double(), xfree(), and xstrprintf().

Referenced by value_cast().

void decimal_from_integral	(	struct value *	from,
		gdb_byte *	to,
		int	len,
		enum bfd_endian	byte_order
	)

Definition at line 209 of file dfp.c.

References _, check_typedef(), decimal_from_number(), error(), LONGEST, match_endianness(), type, TYPE_LENGTH, TYPE_UNSIGNED, value_as_long(), and value_type().

Referenced by value_args_as_decimal(), and value_cast().

static void decimal_from_number	(	const decNumber *	from,
		gdb_byte *	to,
		int	len
	)		[static]

Definition at line 100 of file dfp.c.

References set_decnumber_context().

Referenced by decimal_binop(), decimal_convert(), and decimal_from_integral().

int decimal_from_string	(	gdb_byte *	decbytes,
		int	len,
		enum bfd_endian	byte_order,
		const char *	string
	)

Definition at line 174 of file dfp.c.

References _, decimal_check_errors(), error(), match_endianness(), and set_decnumber_context().

Referenced by decimal_from_floating(), parse_number(), printf_decfloat(), and value_one().

int decimal_is_zero	(	const gdb_byte *	x,
		int	len,
		enum bfd_endian	byte_order
	)

Definition at line 320 of file dfp.c.

References decimal_to_number(), and match_endianness().

Referenced by value_logical_not().

DOUBLEST decimal_to_doublest	(	const gdb_byte *	from,
		int	len,
		enum bfd_endian	byte_order
	)

Definition at line 255 of file dfp.c.

References decimal_to_string(), and MAX_DECIMAL_STRING.

Referenced by unpack_double(), and unpack_long().

static void decimal_to_number	(	const gdb_byte *	from,
		int	len,
		decNumber *	to
	)		[static]

Definition at line 123 of file dfp.c.

References _, and error().

Referenced by decimal_binop(), decimal_compare(), decimal_convert(), and decimal_is_zero().

void decimal_to_string	(	const gdb_byte *	decbytes,
		int	len,
		enum bfd_endian	byte_order,
		char *	s
	)

Definition at line 146 of file dfp.c.

References _, error(), and match_endianness().

Referenced by decimal_to_doublest(), print_decimal_floating(), and printf_decfloat().

static void match_endianness	(	const gdb_byte *	from,
		int	len,
		enum bfd_endian	byte_order,
		gdb_byte *	to
	)		[static]

Definition at line 37 of file dfp.c.

References len, and OPPOSITE_BYTE_ORDER.

Referenced by decimal_binop(), decimal_compare(), decimal_convert(), decimal_from_integral(), decimal_from_string(), decimal_is_zero(), and decimal_to_string().

static void set_decnumber_context	(	decContext *	ctx,
		int	len
	)		[static]

Definition at line 61 of file dfp.c.

Referenced by decimal_binop(), decimal_compare(), decimal_from_number(), and decimal_from_string().