/* Perform arithmetic and other operations on values, for GDB.
- Copyright 1986, 89, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
This file is part of GDB.
#include "expression.h"
#include "target.h"
#include "language.h"
-#include "demangle.h"
#include "gdb_string.h"
+#include "doublest.h"
#include <math.h>
/* Define whether or not the C operator '/' truncates towards zero for
\f
value_ptr
-value_add (arg1, arg2)
- value_ptr arg1, arg2;
+value_add (value_ptr arg1, value_ptr arg2)
{
register value_ptr valint, valptr;
register int len;
if (len == 0)
len = 1; /* For (void *) */
retval = value_from_pointer (valptrtype,
- value_as_pointer (valptr)
+ value_as_address (valptr)
+ (len * value_as_long (valint)));
VALUE_BFD_SECTION (retval) = VALUE_BFD_SECTION (valptr);
return retval;
}
value_ptr
-value_sub (arg1, arg2)
- value_ptr arg1, arg2;
+value_sub (value_ptr arg1, value_ptr arg2)
{
struct type *type1, *type2;
COERCE_NUMBER (arg1);
{
/* pointer - integer. */
LONGEST sz = TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type1)));
- return value_from_pointer (VALUE_TYPE (arg1),
- (value_as_pointer (arg1)
+ return value_from_pointer (type1,
+ (value_as_address (arg1)
- (sz * value_as_long (arg2))));
}
else if (TYPE_CODE (type2) == TYPE_CODE_PTR
- && TYPE_LENGTH (TYPE_TARGET_TYPE (type1))
- == TYPE_LENGTH (TYPE_TARGET_TYPE (type2)))
+ && TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type1)))
+ == TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type2))))
{
/* pointer to <type x> - pointer to <type x>. */
LONGEST sz = TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type1)));
verbosity is set, warn about invalid indices (but still use them). */
value_ptr
-value_subscript (array, idx)
- value_ptr array, idx;
+value_subscript (value_ptr array, value_ptr idx)
{
value_ptr bound;
int c_style = current_language->c_style_arrays;
to doubles, but no longer does. */
static value_ptr
-value_subscripted_rvalue (array, idx, lowerbound)
- value_ptr array, idx;
- int lowerbound;
+value_subscripted_rvalue (value_ptr array, value_ptr idx, int lowerbound)
{
struct type *array_type = check_typedef (VALUE_TYPE (array));
struct type *elt_type = check_typedef (TYPE_TARGET_TYPE (array_type));
For now, we do not overload the `=' operator. */
int
-binop_user_defined_p (op, arg1, arg2)
- enum exp_opcode op;
- value_ptr arg1, arg2;
+binop_user_defined_p (enum exp_opcode op, value_ptr arg1, value_ptr arg2)
{
struct type *type1, *type2;
if (op == BINOP_ASSIGN || op == BINOP_CONCAT)
For now, we do not overload the `&' operator. */
int
-unop_user_defined_p (op, arg1)
- enum exp_opcode op;
- value_ptr arg1;
+unop_user_defined_p (enum exp_opcode op, value_ptr arg1)
{
struct type *type1;
if (op == UNOP_ADDR)
unused. */
value_ptr
-value_x_binop (arg1, arg2, op, otherop, noside)
- value_ptr arg1, arg2;
- enum exp_opcode op, otherop;
- enum noside noside;
+value_x_binop (value_ptr arg1, value_ptr arg2, enum exp_opcode op,
+ enum exp_opcode otherop, enum noside noside)
{
value_ptr *argvec;
char *ptr;
is legal for GNU C++). */
value_ptr
-value_x_unop (arg1, op, noside)
- value_ptr arg1;
- enum exp_opcode op;
- enum noside noside;
+value_x_unop (value_ptr arg1, enum exp_opcode op, enum noside noside)
{
value_ptr *argvec;
char *ptr, *mangle_ptr;
*/
value_ptr
-value_concat (arg1, arg2)
- value_ptr arg1, arg2;
+value_concat (value_ptr arg1, value_ptr arg2)
{
register value_ptr inval1, inval2, outval = NULL;
int inval1len, inval2len;
use value_add or value_sub if you want to handle those possibilities. */
value_ptr
-value_binop (arg1, arg2, op)
- value_ptr arg1, arg2;
- enum exp_opcode op;
+value_binop (value_ptr arg1, value_ptr arg2, enum exp_opcode op)
{
register value_ptr val;
struct type *type1, *type2;
else
val = allocate_value (builtin_type_double);
- store_floating (VALUE_CONTENTS_RAW (val), TYPE_LENGTH (VALUE_TYPE (val)),
- v);
+ store_typed_floating (VALUE_CONTENTS_RAW (val), VALUE_TYPE (val), v);
}
else if (TYPE_CODE (type1) == TYPE_CODE_BOOL
&&
/* Simulate the C operator ! -- return 1 if ARG1 contains zero. */
int
-value_logical_not (arg1)
- value_ptr arg1;
+value_logical_not (value_ptr arg1)
{
register int len;
register char *p;
necessarily null terminated) based on their length */
static int
-value_strcmp (arg1, arg2)
- register value_ptr arg1, arg2;
+value_strcmp (register value_ptr arg1, register value_ptr arg2)
{
int len1 = TYPE_LENGTH (VALUE_TYPE (arg1));
int len2 = TYPE_LENGTH (VALUE_TYPE (arg2));
iff ARG1 and ARG2 have equal contents. */
int
-value_equal (arg1, arg2)
- register value_ptr arg1, arg2;
-
+value_equal (register value_ptr arg1, register value_ptr arg2)
{
register int len;
register char *p1, *p2;
/* FIXME: Need to promote to either CORE_ADDR or LONGEST, whichever
is bigger. */
else if (code1 == TYPE_CODE_PTR && (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL))
- return value_as_pointer (arg1) == (CORE_ADDR) value_as_long (arg2);
+ return value_as_address (arg1) == (CORE_ADDR) value_as_long (arg2);
else if (code2 == TYPE_CODE_PTR && (code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL))
- return (CORE_ADDR) value_as_long (arg1) == value_as_pointer (arg2);
+ return (CORE_ADDR) value_as_long (arg1) == value_as_address (arg2);
else if (code1 == code2
&& ((len = (int) TYPE_LENGTH (type1))
iff ARG1's contents are less than ARG2's. */
int
-value_less (arg1, arg2)
- register value_ptr arg1, arg2;
+value_less (register value_ptr arg1, register value_ptr arg2)
{
register enum type_code code1;
register enum type_code code2;
&& (code2 == TYPE_CODE_FLT || code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL))
return value_as_double (arg1) < value_as_double (arg2);
else if (code1 == TYPE_CODE_PTR && code2 == TYPE_CODE_PTR)
- return value_as_pointer (arg1) < value_as_pointer (arg2);
+ return value_as_address (arg1) < value_as_address (arg2);
/* FIXME: Need to promote to either CORE_ADDR or LONGEST, whichever
is bigger. */
else if (code1 == TYPE_CODE_PTR && (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL))
- return value_as_pointer (arg1) < (CORE_ADDR) value_as_long (arg2);
+ return value_as_address (arg1) < (CORE_ADDR) value_as_long (arg2);
else if (code2 == TYPE_CODE_PTR && (code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL))
- return (CORE_ADDR) value_as_long (arg1) < value_as_pointer (arg2);
+ return (CORE_ADDR) value_as_long (arg1) < value_as_address (arg2);
else if (code1 == TYPE_CODE_STRING && code2 == TYPE_CODE_STRING)
return value_strcmp (arg1, arg2) < 0;
else
/* The unary operators - and ~. Both free the argument ARG1. */
value_ptr
-value_neg (arg1)
- register value_ptr arg1;
+value_neg (register value_ptr arg1)
{
register struct type *type;
register struct type *result_type = VALUE_TYPE (arg1);
}
value_ptr
-value_complement (arg1)
- register value_ptr arg1;
+value_complement (register value_ptr arg1)
{
register struct type *type;
register struct type *result_type = VALUE_TYPE (arg1);
Return -1 if out of range, -2 other error. */
int
-value_bit_index (type, valaddr, index)
- struct type *type;
- char *valaddr;
- int index;
+value_bit_index (struct type *type, char *valaddr, int index)
{
LONGEST low_bound, high_bound;
LONGEST word;
}
value_ptr
-value_in (element, set)
- value_ptr element, set;
+value_in (value_ptr element, value_ptr set)
{
int member;
struct type *settype = check_typedef (VALUE_TYPE (set));
}
void
-_initialize_valarith ()
+_initialize_valarith (void)
{
}