/* Perform arithmetic and other operations on values, for GDB.
- Copyright 1986, 89, 91, 92, 93, 94, 95, 96, 97, 1998
+
+ Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "value.h"
#include "expression.h"
#include "target.h"
#include "language.h"
-#include "demangle.h"
#include "gdb_string.h"
+#include "doublest.h"
#include <math.h>
+#include "infcall.h"
/* Define whether or not the C operator '/' truncates towards zero for
differently signed operands (truncation direction is undefined in C). */
#define TRUNCATION_TOWARDS_ZERO ((-5 / 2) == -2)
#endif
-static value_ptr value_subscripted_rvalue PARAMS ((value_ptr, value_ptr, int));
+static struct value *value_subscripted_rvalue (struct value *, struct value *, int);
-void _initialize_valarith PARAMS ((void));
+void _initialize_valarith (void);
\f
-value_ptr
-value_add (arg1, arg2)
- value_ptr arg1, arg2;
+/* Given a pointer, return the size of its target.
+ If the pointer type is void *, then return 1.
+ If the target type is incomplete, then error out.
+ This isn't a general purpose function, but just a
+ helper for value_sub & value_add.
+*/
+
+static LONGEST
+find_size_for_pointer_math (struct type *ptr_type)
{
- register value_ptr valint, valptr;
- register int len;
+ LONGEST sz = -1;
+ struct type *ptr_target;
+
+ ptr_target = check_typedef (TYPE_TARGET_TYPE (ptr_type));
+
+ sz = TYPE_LENGTH (ptr_target);
+ if (sz == 0)
+ {
+ if (TYPE_CODE (ptr_type) == TYPE_CODE_VOID)
+ sz = 1;
+ else
+ {
+ char *name;
+
+ name = TYPE_NAME (ptr_target);
+ if (name == NULL)
+ name = TYPE_TAG_NAME (ptr_target);
+ if (name == NULL)
+ error (_("Cannot perform pointer math on incomplete types, "
+ "try casting to a known type, or void *."));
+ else
+ error (_("Cannot perform pointer math on incomplete type \"%s\", "
+ "try casting to a known type, or void *."), name);
+ }
+ }
+ return sz;
+}
+
+struct value *
+value_add (struct value *arg1, struct value *arg2)
+{
+ struct value *valint;
+ struct value *valptr;
+ LONGEST sz;
struct type *type1, *type2, *valptrtype;
- COERCE_NUMBER (arg1);
- COERCE_NUMBER (arg2);
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
+ arg1 = coerce_array (arg1);
+ arg2 = coerce_array (arg2);
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
if ((TYPE_CODE (type1) == TYPE_CODE_PTR
|| TYPE_CODE (type2) == TYPE_CODE_PTR)
&&
- (TYPE_CODE (type1) == TYPE_CODE_INT
- || TYPE_CODE (type2) == TYPE_CODE_INT))
+ (is_integral_type (type1) || is_integral_type (type2)))
/* Exactly one argument is a pointer, and one is an integer. */
{
- value_ptr retval;
+ struct value *retval;
if (TYPE_CODE (type1) == TYPE_CODE_PTR)
{
valint = arg1;
valptrtype = type2;
}
- len = TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (valptrtype)));
- if (len == 0)
- len = 1; /* For (void *) */
- retval = value_from_longest (valptrtype,
- value_as_long (valptr)
- + (len * value_as_long (valint)));
- VALUE_BFD_SECTION (retval) = VALUE_BFD_SECTION (valptr);
+
+ sz = find_size_for_pointer_math (valptrtype);
+
+ retval = value_from_pointer (valptrtype,
+ value_as_address (valptr)
+ + (sz * value_as_long (valint)));
return retval;
}
return value_binop (arg1, arg2, BINOP_ADD);
}
-value_ptr
-value_sub (arg1, arg2)
- value_ptr arg1, arg2;
+struct value *
+value_sub (struct value *arg1, struct value *arg2)
{
struct type *type1, *type2;
- COERCE_NUMBER (arg1);
- COERCE_NUMBER (arg2);
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
+ arg1 = coerce_array (arg1);
+ arg2 = coerce_array (arg2);
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
if (TYPE_CODE (type1) == TYPE_CODE_PTR)
{
- if (TYPE_CODE (type2) == TYPE_CODE_INT)
+ if (is_integral_type (type2))
{
/* pointer - integer. */
- LONGEST sz = TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type1)));
- return value_from_longest
- (VALUE_TYPE (arg1),
- value_as_long (arg1) - (sz * value_as_long (arg2)));
+ LONGEST sz = find_size_for_pointer_math (type1);
+
+ 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)));
}
else
{
- error ("\
+ error (_("\
First argument of `-' is a pointer and second argument is neither\n\
-an integer nor a pointer of the same type.");
+an integer nor a pointer of the same type."));
}
}
FIXME: Perhaps we should validate that the index is valid and if
verbosity is set, warn about invalid indices (but still use them). */
-value_ptr
-value_subscript (array, idx)
- value_ptr array, idx;
+struct value *
+value_subscript (struct value *array, struct value *idx)
{
- value_ptr bound;
+ struct value *bound;
int c_style = current_language->c_style_arrays;
struct type *tarray;
- COERCE_REF (array);
- tarray = check_typedef (VALUE_TYPE (array));
- COERCE_VARYING_ARRAY (array, tarray);
+ array = coerce_ref (array);
+ tarray = check_typedef (value_type (array));
if (TYPE_CODE (tarray) == TYPE_CODE_ARRAY
|| TYPE_CODE (tarray) == TYPE_CODE_STRING)
LONGEST index = value_as_long (idx);
if (index >= lowerbound && index <= upperbound)
return value_subscripted_rvalue (array, idx, lowerbound);
- warning ("array or string index out of range");
+ /* Emit warning unless we have an array of unknown size.
+ An array of unknown size has lowerbound 0 and upperbound -1. */
+ if (upperbound > -1)
+ warning (_("array or string index out of range"));
/* fall doing C stuff */
c_style = 1;
}
{
struct type *range_type = TYPE_INDEX_TYPE (tarray);
LONGEST index = value_as_long (idx);
- value_ptr v;
+ struct value *v;
int offset, byte, bit_index;
LONGEST lowerbound, upperbound;
get_discrete_bounds (range_type, &lowerbound, &upperbound);
if (index < lowerbound || index > upperbound)
- error ("bitstring index out of range");
+ error (_("bitstring index out of range"));
index -= lowerbound;
offset = index / TARGET_CHAR_BIT;
- byte = *((char *) VALUE_CONTENTS (array) + offset);
+ byte = *((char *) value_contents (array) + offset);
bit_index = index % TARGET_CHAR_BIT;
byte >>= (BITS_BIG_ENDIAN ? TARGET_CHAR_BIT - 1 - bit_index : bit_index);
v = value_from_longest (LA_BOOL_TYPE, byte & 1);
- VALUE_BITPOS (v) = bit_index;
- VALUE_BITSIZE (v) = 1;
+ set_value_bitpos (v, bit_index);
+ set_value_bitsize (v, 1);
VALUE_LVAL (v) = VALUE_LVAL (array);
if (VALUE_LVAL (array) == lval_internalvar)
VALUE_LVAL (v) = lval_internalvar_component;
VALUE_ADDRESS (v) = VALUE_ADDRESS (array);
- VALUE_OFFSET (v) = offset + VALUE_OFFSET (array);
+ VALUE_FRAME_ID (v) = VALUE_FRAME_ID (array);
+ set_value_offset (v, offset + value_offset (array));
return v;
}
if (c_style)
return value_ind (value_add (array, idx));
else
- error ("not an array or string");
+ error (_("not an array or string"));
}
/* Return the value of EXPR[IDX], expr an aggregate rvalue
(eg, a vector register). This routine used to promote floats
to doubles, but no longer does. */
-static value_ptr
-value_subscripted_rvalue (array, idx, lowerbound)
- value_ptr array, idx;
- int lowerbound;
+static struct value *
+value_subscripted_rvalue (struct value *array, struct value *idx, int lowerbound)
{
- struct type *array_type = check_typedef (VALUE_TYPE (array));
+ struct type *array_type = check_typedef (value_type (array));
struct type *elt_type = check_typedef (TYPE_TARGET_TYPE (array_type));
unsigned int elt_size = TYPE_LENGTH (elt_type);
LONGEST index = value_as_long (idx);
unsigned int elt_offs = elt_size * longest_to_int (index - lowerbound);
- value_ptr v;
+ struct value *v;
if (index < lowerbound || elt_offs >= TYPE_LENGTH (array_type))
- error ("no such vector element");
+ error (_("no such vector element"));
v = allocate_value (elt_type);
- if (VALUE_LAZY (array))
- VALUE_LAZY (v) = 1;
+ if (value_lazy (array))
+ set_value_lazy (v, 1);
else
- memcpy (VALUE_CONTENTS (v), VALUE_CONTENTS (array) + elt_offs, elt_size);
+ memcpy (value_contents_writeable (v),
+ value_contents (array) + elt_offs, elt_size);
if (VALUE_LVAL (array) == lval_internalvar)
VALUE_LVAL (v) = lval_internalvar_component;
else
VALUE_LVAL (v) = VALUE_LVAL (array);
VALUE_ADDRESS (v) = VALUE_ADDRESS (array);
- VALUE_OFFSET (v) = VALUE_OFFSET (array) + elt_offs;
+ VALUE_REGNUM (v) = VALUE_REGNUM (array);
+ VALUE_FRAME_ID (v) = VALUE_FRAME_ID (array);
+ set_value_offset (v, value_offset (array) + elt_offs);
return v;
}
\f
-/* Check to see if either argument is a structure. This is called so
- we know whether to go ahead with the normal binop or look for a
- user defined function instead.
+/* Check to see if either argument is a structure, or a reference to
+ one. This is called so we know whether to go ahead with the normal
+ binop or look for a user defined function instead.
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, struct value *arg1, struct value *arg2)
{
struct type *type1, *type2;
if (op == BINOP_ASSIGN || op == BINOP_CONCAT)
return 0;
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
+
+ type1 = check_typedef (value_type (arg1));
+ if (TYPE_CODE (type1) == TYPE_CODE_REF)
+ type1 = check_typedef (TYPE_TARGET_TYPE (type1));
+
+ type2 = check_typedef (value_type (arg2));
+ if (TYPE_CODE (type2) == TYPE_CODE_REF)
+ type2 = check_typedef (TYPE_TARGET_TYPE (type2));
+
return (TYPE_CODE (type1) == TYPE_CODE_STRUCT
- || TYPE_CODE (type2) == TYPE_CODE_STRUCT
- || (TYPE_CODE (type1) == TYPE_CODE_REF
- && TYPE_CODE (TYPE_TARGET_TYPE (type1)) == TYPE_CODE_STRUCT)
- || (TYPE_CODE (type2) == TYPE_CODE_REF
- && TYPE_CODE (TYPE_TARGET_TYPE (type2)) == TYPE_CODE_STRUCT));
+ || TYPE_CODE (type2) == TYPE_CODE_STRUCT);
}
/* Check to see if argument is a structure. This is called so
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, struct value *arg1)
{
struct type *type1;
if (op == UNOP_ADDR)
return 0;
- type1 = check_typedef (VALUE_TYPE (arg1));
+ type1 = check_typedef (value_type (arg1));
for (;;)
{
if (TYPE_CODE (type1) == TYPE_CODE_STRUCT)
is the opcode saying how to modify it. Otherwise, OTHEROP is
unused. */
-value_ptr
-value_x_binop (arg1, arg2, op, otherop, noside)
- value_ptr arg1, arg2;
- enum exp_opcode op, otherop;
- enum noside noside;
+struct value *
+value_x_binop (struct value *arg1, struct value *arg2, enum exp_opcode op,
+ enum exp_opcode otherop, enum noside noside)
{
- value_ptr *argvec;
+ struct value **argvec;
char *ptr;
char tstr[13];
int static_memfuncp;
- COERCE_REF (arg1);
- COERCE_REF (arg2);
- COERCE_ENUM (arg1);
- COERCE_ENUM (arg2);
+ arg1 = coerce_ref (arg1);
+ arg2 = coerce_ref (arg2);
+ arg1 = coerce_enum (arg1);
+ arg2 = coerce_enum (arg2);
/* now we know that what we have to do is construct our
arg vector and find the right function to call it with. */
- if (TYPE_CODE (check_typedef (VALUE_TYPE (arg1))) != TYPE_CODE_STRUCT)
- error ("Can't do that binary op on that type"); /* FIXME be explicit */
+ if (TYPE_CODE (check_typedef (value_type (arg1))) != TYPE_CODE_STRUCT)
+ error (_("Can't do that binary op on that type")); /* FIXME be explicit */
- argvec = (value_ptr *) alloca (sizeof (value_ptr) * 4);
+ argvec = (struct value **) alloca (sizeof (struct value *) * 4);
argvec[1] = value_addr (arg1);
argvec[2] = arg2;
argvec[3] = 0;
break;
case BINOP_MOD: /* invalid */
default:
- error ("Invalid binary operation specified.");
+ error (_("Invalid binary operation specified."));
}
break;
case BINOP_SUBSCRIPT:
break;
case BINOP_MOD: /* invalid */
default:
- error ("Invalid binary operation specified.");
+ error (_("Invalid binary operation specified."));
}
argvec[0] = value_struct_elt (&arg1, argvec + 1, tstr, &static_memfuncp, "structure");
{
struct type *return_type;
return_type
- = TYPE_TARGET_TYPE (check_typedef (VALUE_TYPE (argvec[0])));
+ = TYPE_TARGET_TYPE (check_typedef (value_type (argvec[0])));
return value_zero (return_type, VALUE_LVAL (arg1));
}
return call_function_by_hand (argvec[0], 2 - static_memfuncp, argvec + 1);
}
- error ("member function %s not found", tstr);
+ error (_("member function %s not found"), tstr);
#ifdef lint
return call_function_by_hand (argvec[0], 2 - static_memfuncp, argvec + 1);
#endif
and return that value (where '@' is (almost) any unary operator which
is legal for GNU C++). */
-value_ptr
-value_x_unop (arg1, op, noside)
- value_ptr arg1;
- enum exp_opcode op;
- enum noside noside;
+struct value *
+value_x_unop (struct value *arg1, enum exp_opcode op, enum noside noside)
{
- value_ptr *argvec;
+ struct value **argvec;
char *ptr, *mangle_ptr;
char tstr[13], mangle_tstr[13];
- int static_memfuncp;
+ int static_memfuncp, nargs;
- COERCE_REF (arg1);
- COERCE_ENUM (arg1);
+ arg1 = coerce_ref (arg1);
+ arg1 = coerce_enum (arg1);
/* now we know that what we have to do is construct our
arg vector and find the right function to call it with. */
- if (TYPE_CODE (check_typedef (VALUE_TYPE (arg1))) != TYPE_CODE_STRUCT)
- error ("Can't do that unary op on that type"); /* FIXME be explicit */
+ if (TYPE_CODE (check_typedef (value_type (arg1))) != TYPE_CODE_STRUCT)
+ error (_("Can't do that unary op on that type")); /* FIXME be explicit */
- argvec = (value_ptr *) alloca (sizeof (value_ptr) * 3);
+ argvec = (struct value **) alloca (sizeof (struct value *) * 4);
argvec[1] = value_addr (arg1);
argvec[2] = 0;
+ nargs = 1;
+
/* make the right function name up */
strcpy (tstr, "operator__");
ptr = tstr + 8;
strcpy (ptr, "++");
break;
case UNOP_PREDECREMENT:
- strcpy (ptr, "++");
+ strcpy (ptr, "--");
break;
case UNOP_POSTINCREMENT:
strcpy (ptr, "++");
+ argvec[2] = value_from_longest (builtin_type_int, 0);
+ argvec[3] = 0;
+ nargs ++;
break;
case UNOP_POSTDECREMENT:
- strcpy (ptr, "++");
+ strcpy (ptr, "--");
+ argvec[2] = value_from_longest (builtin_type_int, 0);
+ argvec[3] = 0;
+ nargs ++;
break;
case UNOP_LOGICAL_NOT:
strcpy (ptr, "!");
case UNOP_NEG:
strcpy (ptr, "-");
break;
+ case UNOP_PLUS:
+ strcpy (ptr, "+");
+ break;
case UNOP_IND:
strcpy (ptr, "*");
break;
default:
- error ("Invalid unary operation specified.");
+ error (_("Invalid unary operation specified."));
}
argvec[0] = value_struct_elt (&arg1, argvec + 1, tstr, &static_memfuncp, "structure");
if (static_memfuncp)
{
argvec[1] = argvec[0];
+ nargs --;
argvec++;
}
if (noside == EVAL_AVOID_SIDE_EFFECTS)
{
struct type *return_type;
return_type
- = TYPE_TARGET_TYPE (check_typedef (VALUE_TYPE (argvec[0])));
+ = TYPE_TARGET_TYPE (check_typedef (value_type (argvec[0])));
return value_zero (return_type, VALUE_LVAL (arg1));
}
- return call_function_by_hand (argvec[0], 1 - static_memfuncp, argvec + 1);
+ return call_function_by_hand (argvec[0], nargs, argvec + 1);
}
- error ("member function %s not found", tstr);
+ error (_("member function %s not found"), tstr);
return 0; /* For lint -- never reached */
}
\f
string values of length 1.
*/
-value_ptr
-value_concat (arg1, arg2)
- value_ptr arg1, arg2;
+struct value *
+value_concat (struct value *arg1, struct value *arg2)
{
- register value_ptr inval1, inval2, outval = NULL;
+ struct value *inval1;
+ struct value *inval2;
+ struct value *outval = NULL;
int inval1len, inval2len;
int count, idx;
char *ptr;
char inchar;
- struct type *type1 = check_typedef (VALUE_TYPE (arg1));
- struct type *type2 = check_typedef (VALUE_TYPE (arg2));
-
- COERCE_VARYING_ARRAY (arg1, type1);
- COERCE_VARYING_ARRAY (arg2, type2);
+ struct type *type1 = check_typedef (value_type (arg1));
+ struct type *type2 = check_typedef (value_type (arg2));
/* First figure out if we are dealing with two values to be concatenated
or a repeat count and a value to be repeated. INVAL1 is set to the
if (TYPE_CODE (type2) == TYPE_CODE_CHAR)
{
inchar = (char) unpack_long (type2,
- VALUE_CONTENTS (inval2));
+ value_contents (inval2));
for (idx = 0; idx < count; idx++)
{
*(ptr + idx) = inchar;
{
for (idx = 0; idx < count; idx++)
{
- memcpy (ptr + (idx * inval2len), VALUE_CONTENTS (inval2),
+ memcpy (ptr + (idx * inval2len), value_contents (inval2),
inval2len);
}
}
else if (TYPE_CODE (type2) == TYPE_CODE_BITSTRING
|| TYPE_CODE (type2) == TYPE_CODE_BOOL)
{
- error ("unimplemented support for bitstring/boolean repeats");
+ error (_("unimplemented support for bitstring/boolean repeats"));
}
else
{
- error ("can't repeat values of that type");
+ error (_("can't repeat values of that type"));
}
}
else if (TYPE_CODE (type1) == TYPE_CODE_STRING
if (TYPE_CODE (type2) != TYPE_CODE_STRING
&& TYPE_CODE (type2) != TYPE_CODE_CHAR)
{
- error ("Strings can only be concatenated with other strings.");
+ error (_("Strings can only be concatenated with other strings."));
}
inval1len = TYPE_LENGTH (type1);
inval2len = TYPE_LENGTH (type2);
ptr = (char *) alloca (inval1len + inval2len);
if (TYPE_CODE (type1) == TYPE_CODE_CHAR)
{
- *ptr = (char) unpack_long (type1, VALUE_CONTENTS (inval1));
+ *ptr = (char) unpack_long (type1, value_contents (inval1));
}
else
{
- memcpy (ptr, VALUE_CONTENTS (inval1), inval1len);
+ memcpy (ptr, value_contents (inval1), inval1len);
}
if (TYPE_CODE (type2) == TYPE_CODE_CHAR)
{
*(ptr + inval1len) =
- (char) unpack_long (type2, VALUE_CONTENTS (inval2));
+ (char) unpack_long (type2, value_contents (inval2));
}
else
{
- memcpy (ptr + inval1len, VALUE_CONTENTS (inval2), inval2len);
+ memcpy (ptr + inval1len, value_contents (inval2), inval2len);
}
outval = value_string (ptr, inval1len + inval2len);
}
if (TYPE_CODE (type2) != TYPE_CODE_BITSTRING
&& TYPE_CODE (type2) != TYPE_CODE_BOOL)
{
- error ("Bitstrings or booleans can only be concatenated with other bitstrings or booleans.");
+ error (_("Bitstrings or booleans can only be concatenated with other bitstrings or booleans."));
}
- error ("unimplemented support for bitstring/boolean concatenation.");
+ error (_("unimplemented support for bitstring/boolean concatenation."));
}
else
{
/* We don't know how to concatenate these operands. */
- error ("illegal operands for concatenation.");
+ error (_("illegal operands for concatenation."));
}
return (outval);
}
Does not support addition and subtraction on pointers;
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;
+struct value *
+value_binop (struct value *arg1, struct value *arg2, enum exp_opcode op)
{
- register value_ptr val;
+ struct value *val;
struct type *type1, *type2;
- COERCE_REF (arg1);
- COERCE_REF (arg2);
- COERCE_ENUM (arg1);
- COERCE_ENUM (arg2);
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
-
- if ((TYPE_CODE (type1) != TYPE_CODE_FLT
- && TYPE_CODE (type1) != TYPE_CODE_CHAR
- && TYPE_CODE (type1) != TYPE_CODE_INT
- && TYPE_CODE (type1) != TYPE_CODE_BOOL
- && TYPE_CODE (type1) != TYPE_CODE_RANGE)
+ arg1 = coerce_ref (arg1);
+ arg2 = coerce_ref (arg2);
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
+
+ if ((TYPE_CODE (type1) != TYPE_CODE_FLT && !is_integral_type (type1))
||
- (TYPE_CODE (type2) != TYPE_CODE_FLT
- && TYPE_CODE (type2) != TYPE_CODE_CHAR
- && TYPE_CODE (type2) != TYPE_CODE_INT
- && TYPE_CODE (type2) != TYPE_CODE_BOOL
- && TYPE_CODE (type2) != TYPE_CODE_RANGE))
- error ("Argument to arithmetic operation not a number or boolean.");
+ (TYPE_CODE (type2) != TYPE_CODE_FLT && !is_integral_type (type2)))
+ error (_("Argument to arithmetic operation not a number or boolean."));
if (TYPE_CODE (type1) == TYPE_CODE_FLT
||
v = v1 / v2;
break;
- case BINOP_EXP:
- v = pow (v1, v2);
- if (errno)
- error ("Cannot perform exponentiation: %s", strerror (errno));
- break;
+ case BINOP_EXP:
+ errno = 0;
+ v = pow (v1, v2);
+ if (errno)
+ error (_("Cannot perform exponentiation: %s"), safe_strerror (errno));
+ break;
default:
- error ("Integer-only operation on floating point number.");
+ error (_("Integer-only operation on floating point number."));
}
/* If either arg was long double, make sure that value is also long
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
&&
break;
default:
- error ("Invalid operation on booleans.");
+ error (_("Invalid operation on booleans."));
}
val = allocate_value (type1);
- store_signed_integer (VALUE_CONTENTS_RAW (val),
+ store_signed_integer (value_contents_raw (val),
TYPE_LENGTH (type1),
v);
}
/* Integral operations here. */
/* FIXME: Also mixed integral/booleans, with result an integer. */
/* FIXME: This implements ANSI C rules (also correct for C++).
- What about FORTRAN and chill? */
+ What about FORTRAN and (the deleted) chill ? */
{
unsigned int promoted_len1 = TYPE_LENGTH (type1);
unsigned int promoted_len2 = TYPE_LENGTH (type2);
Use the signedness of the operand with the greater length.
If both operands are of equal length, use unsigned operation
if one of the operands is unsigned. */
- if (promoted_len1 > promoted_len2)
+ if (op == BINOP_RSH || op == BINOP_LSH)
+ {
+ /* In case of the shift operators the type of the result only
+ depends on the type of the left operand. */
+ unsigned_operation = is_unsigned1;
+ result_len = promoted_len1;
+ }
+ else if (promoted_len1 > promoted_len2)
{
unsigned_operation = is_unsigned1;
result_len = promoted_len1;
v = v1 / v2;
break;
- case BINOP_EXP:
- v = pow (v1, v2);
- if (errno)
- error ("Cannot perform exponentiation: %s", strerror (errno));
- break;
+ case BINOP_EXP:
+ errno = 0;
+ v = pow (v1, v2);
+ if (errno)
+ error (_("Cannot perform exponentiation: %s"), safe_strerror (errno));
+ break;
case BINOP_REM:
v = v1 % v2;
case BINOP_MOD:
/* Knuth 1.2.4, integer only. Note that unlike the C '%' op,
v1 mod 0 has a defined value, v1. */
- /* Chill specifies that v2 must be > 0, so check for that. */
- if (current_language->la_language == language_chill
- && value_as_long (arg2) <= 0)
- {
- error ("Second operand of MOD must be greater than zero.");
- }
if (v2 == 0)
{
v = v1;
break;
default:
- error ("Invalid binary operation on numbers.");
+ error (_("Invalid binary operation on numbers."));
}
/* This is a kludge to get around the fact that we don't
(result_len > TARGET_LONG_BIT / HOST_CHAR_BIT
? builtin_type_unsigned_long_long
: builtin_type_unsigned_long);
- store_unsigned_integer (VALUE_CONTENTS_RAW (val),
- TYPE_LENGTH (VALUE_TYPE (val)),
+ store_unsigned_integer (value_contents_raw (val),
+ TYPE_LENGTH (value_type (val)),
v);
}
else
break;
case BINOP_DIV:
- v = v1 / v2;
+ if (v2 != 0)
+ v = v1 / v2;
+ else
+ error (_("Division by zero"));
break;
- case BINOP_EXP:
- v = pow (v1, v2);
- if (errno)
- error ("Cannot perform exponentiation: %s", strerror (errno));
+ case BINOP_EXP:
+ errno = 0;
+ v = pow (v1, v2);
+ if (errno)
+ error (_("Cannot perform exponentiation: %s"), safe_strerror (errno));
break;
case BINOP_REM:
- v = v1 % v2;
+ if (v2 != 0)
+ v = v1 % v2;
+ else
+ error (_("Division by zero"));
break;
case BINOP_MOD:
/* Knuth 1.2.4, integer only. Note that unlike the C '%' op,
X mod 0 has a defined value, X. */
- /* Chill specifies that v2 must be > 0, so check for that. */
- if (current_language->la_language == language_chill
- && v2 <= 0)
- {
- error ("Second operand of MOD must be greater than zero.");
- }
if (v2 == 0)
{
v = v1;
break;
default:
- error ("Invalid binary operation on numbers.");
+ error (_("Invalid binary operation on numbers."));
}
/* This is a kludge to get around the fact that we don't
(result_len > TARGET_LONG_BIT / HOST_CHAR_BIT
? builtin_type_long_long
: builtin_type_long);
- store_signed_integer (VALUE_CONTENTS_RAW (val),
- TYPE_LENGTH (VALUE_TYPE (val)),
+ store_signed_integer (value_contents_raw (val),
+ TYPE_LENGTH (value_type (val)),
v);
}
}
/* Simulate the C operator ! -- return 1 if ARG1 contains zero. */
int
-value_logical_not (arg1)
- value_ptr arg1;
+value_logical_not (struct value *arg1)
{
- register int len;
- register char *p;
+ int len;
+ const gdb_byte *p;
struct type *type1;
- COERCE_NUMBER (arg1);
- type1 = check_typedef (VALUE_TYPE (arg1));
+ arg1 = coerce_number (arg1);
+ type1 = check_typedef (value_type (arg1));
if (TYPE_CODE (type1) == TYPE_CODE_FLT)
return 0 == value_as_double (arg1);
len = TYPE_LENGTH (type1);
- p = VALUE_CONTENTS (arg1);
+ p = value_contents (arg1);
while (--len >= 0)
{
necessarily null terminated) based on their length */
static int
-value_strcmp (arg1, arg2)
- register value_ptr arg1, arg2;
+value_strcmp (struct value *arg1, struct value *arg2)
{
- int len1 = TYPE_LENGTH (VALUE_TYPE (arg1));
- int len2 = TYPE_LENGTH (VALUE_TYPE (arg2));
- char *s1 = VALUE_CONTENTS (arg1);
- char *s2 = VALUE_CONTENTS (arg2);
+ int len1 = TYPE_LENGTH (value_type (arg1));
+ int len2 = TYPE_LENGTH (value_type (arg2));
+ const gdb_byte *s1 = value_contents (arg1);
+ const gdb_byte *s2 = value_contents (arg2);
int i, len = len1 < len2 ? len1 : len2;
for (i = 0; i < len; i++)
iff ARG1 and ARG2 have equal contents. */
int
-value_equal (arg1, arg2)
- register value_ptr arg1, arg2;
-
+value_equal (struct value *arg1, struct value *arg2)
{
- register int len;
- register char *p1, *p2;
+ int len;
+ const gdb_byte *p1;
+ const gdb_byte *p2;
struct type *type1, *type2;
enum type_code code1;
enum type_code code2;
+ int is_int1, is_int2;
- COERCE_NUMBER (arg1);
- COERCE_NUMBER (arg2);
+ arg1 = coerce_array (arg1);
+ arg2 = coerce_array (arg2);
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
code1 = TYPE_CODE (type1);
code2 = TYPE_CODE (type2);
+ is_int1 = is_integral_type (type1);
+ is_int2 = is_integral_type (type2);
- if ((code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL) &&
- (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL))
+ if (is_int1 && is_int2)
return longest_to_int (value_as_long (value_binop (arg1, arg2,
BINOP_EQUAL)));
- else if ((code1 == TYPE_CODE_FLT || code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL)
- && (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_FLT || is_int1)
+ && (code2 == TYPE_CODE_FLT || is_int2))
+ {
+ /* NOTE: kettenis/20050816: Avoid compiler bug on systems where
+ `long double' values are returned in static storage (m68k). */
+ DOUBLEST d = value_as_double (arg1);
+ return d == value_as_double (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);
- 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);
+ else if (code1 == TYPE_CODE_PTR && is_int2)
+ return value_as_address (arg1) == (CORE_ADDR) value_as_long (arg2);
+ else if (code2 == TYPE_CODE_PTR && is_int1)
+ return (CORE_ADDR) value_as_long (arg1) == value_as_address (arg2);
else if (code1 == code2
&& ((len = (int) TYPE_LENGTH (type1))
== (int) TYPE_LENGTH (type2)))
{
- p1 = VALUE_CONTENTS (arg1);
- p2 = VALUE_CONTENTS (arg2);
+ p1 = value_contents (arg1);
+ p2 = value_contents (arg2);
while (--len >= 0)
{
if (*p1++ != *p2++)
}
else
{
- error ("Invalid type combination in equality test.");
+ error (_("Invalid type combination in equality test."));
return 0; /* For lint -- never reached */
}
}
iff ARG1's contents are less than ARG2's. */
int
-value_less (arg1, arg2)
- register value_ptr arg1, arg2;
+value_less (struct value *arg1, struct value *arg2)
{
- register enum type_code code1;
- register enum type_code code2;
+ enum type_code code1;
+ enum type_code code2;
struct type *type1, *type2;
+ int is_int1, is_int2;
- COERCE_NUMBER (arg1);
- COERCE_NUMBER (arg2);
+ arg1 = coerce_array (arg1);
+ arg2 = coerce_array (arg2);
- type1 = check_typedef (VALUE_TYPE (arg1));
- type2 = check_typedef (VALUE_TYPE (arg2));
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
code1 = TYPE_CODE (type1);
code2 = TYPE_CODE (type2);
+ is_int1 = is_integral_type (type1);
+ is_int2 = is_integral_type (type2);
- if ((code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL) &&
- (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL))
+ if (is_int1 && is_int2)
return longest_to_int (value_as_long (value_binop (arg1, arg2,
BINOP_LESS)));
- else if ((code1 == TYPE_CODE_FLT || code1 == TYPE_CODE_INT || code1 == TYPE_CODE_BOOL)
- && (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_FLT || is_int1)
+ && (code2 == TYPE_CODE_FLT || is_int2))
+ {
+ /* NOTE: kettenis/20050816: Avoid compiler bug on systems where
+ `long double' values are returned in static storage (m68k). */
+ DOUBLEST d = value_as_double (arg1);
+ return d < 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);
- 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);
+ else if (code1 == TYPE_CODE_PTR && is_int2)
+ return value_as_address (arg1) < (CORE_ADDR) value_as_long (arg2);
+ else if (code2 == TYPE_CODE_PTR && is_int1)
+ 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
{
- error ("Invalid type combination in ordering comparison.");
+ error (_("Invalid type combination in ordering comparison."));
return 0;
}
}
\f
-/* The unary operators - and ~. Both free the argument ARG1. */
+/* The unary operators +, - and ~. They free the argument ARG1. */
+
+struct value *
+value_pos (struct value *arg1)
+{
+ struct type *type;
+
+ arg1 = coerce_ref (arg1);
+
+ type = check_typedef (value_type (arg1));
+
+ if (TYPE_CODE (type) == TYPE_CODE_FLT)
+ return value_from_double (type, value_as_double (arg1));
+ else if (is_integral_type (type))
+ {
+ /* Perform integral promotion for ANSI C/C++. FIXME: What about
+ FORTRAN and (the deleted) chill ? */
+ if (TYPE_LENGTH (type) < TYPE_LENGTH (builtin_type_int))
+ type = builtin_type_int;
+
+ return value_from_longest (type, value_as_long (arg1));
+ }
+ else
+ {
+ error ("Argument to positive operation not a number.");
+ return 0; /* For lint -- never reached */
+ }
+}
-value_ptr
-value_neg (arg1)
- register value_ptr arg1;
+struct value *
+value_neg (struct value *arg1)
{
- register struct type *type;
- register struct type *result_type = VALUE_TYPE (arg1);
+ struct type *type;
+ struct type *result_type = value_type (arg1);
- COERCE_REF (arg1);
- COERCE_ENUM (arg1);
+ arg1 = coerce_ref (arg1);
- type = check_typedef (VALUE_TYPE (arg1));
+ type = check_typedef (value_type (arg1));
if (TYPE_CODE (type) == TYPE_CODE_FLT)
return value_from_double (result_type, -value_as_double (arg1));
- else if (TYPE_CODE (type) == TYPE_CODE_INT || TYPE_CODE (type) == TYPE_CODE_BOOL)
+ else if (is_integral_type (type))
{
- /* Perform integral promotion for ANSI C/C++.
- FIXME: What about FORTRAN and chill ? */
+ /* Perform integral promotion for ANSI C/C++. FIXME: What about
+ FORTRAN and (the deleted) chill ? */
if (TYPE_LENGTH (type) < TYPE_LENGTH (builtin_type_int))
result_type = builtin_type_int;
}
else
{
- error ("Argument to negate operation not a number.");
+ error (_("Argument to negate operation not a number."));
return 0; /* For lint -- never reached */
}
}
-value_ptr
-value_complement (arg1)
- register value_ptr arg1;
+struct value *
+value_complement (struct value *arg1)
{
- register struct type *type;
- register struct type *result_type = VALUE_TYPE (arg1);
- int typecode;
+ struct type *type;
+ struct type *result_type = value_type (arg1);
- COERCE_REF (arg1);
- COERCE_ENUM (arg1);
+ arg1 = coerce_ref (arg1);
- type = check_typedef (VALUE_TYPE (arg1));
+ type = check_typedef (value_type (arg1));
- typecode = TYPE_CODE (type);
- if ((typecode != TYPE_CODE_INT) && (typecode != TYPE_CODE_BOOL))
- error ("Argument to complement operation not an integer or boolean.");
+ if (!is_integral_type (type))
+ error (_("Argument to complement operation not an integer or boolean."));
/* Perform integral promotion for ANSI C/C++.
FIXME: What about FORTRAN ? */
return value_from_longest (result_type, ~value_as_long (arg1));
}
\f
-/* The INDEX'th bit of SET value whose VALUE_TYPE is TYPE,
- and whose VALUE_CONTENTS is valaddr.
+/* The INDEX'th bit of SET value whose value_type is TYPE,
+ and whose value_contents is valaddr.
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, const gdb_byte *valaddr, int index)
{
LONGEST low_bound, high_bound;
LONGEST word;
return (word >> rel_index) & 1;
}
-value_ptr
-value_in (element, set)
- value_ptr element, set;
+struct value *
+value_in (struct value *element, struct value *set)
{
int member;
- struct type *settype = check_typedef (VALUE_TYPE (set));
- struct type *eltype = check_typedef (VALUE_TYPE (element));
+ struct type *settype = check_typedef (value_type (set));
+ struct type *eltype = check_typedef (value_type (element));
if (TYPE_CODE (eltype) == TYPE_CODE_RANGE)
eltype = TYPE_TARGET_TYPE (eltype);
if (TYPE_CODE (settype) != TYPE_CODE_SET)
- error ("Second argument of 'IN' has wrong type");
+ error (_("Second argument of 'IN' has wrong type"));
if (TYPE_CODE (eltype) != TYPE_CODE_INT
&& TYPE_CODE (eltype) != TYPE_CODE_CHAR
&& TYPE_CODE (eltype) != TYPE_CODE_ENUM
&& TYPE_CODE (eltype) != TYPE_CODE_BOOL)
- error ("First argument of 'IN' has wrong type");
- member = value_bit_index (settype, VALUE_CONTENTS (set),
+ error (_("First argument of 'IN' has wrong type"));
+ member = value_bit_index (settype, value_contents (set),
value_as_long (element));
if (member < 0)
- error ("First argument of 'IN' not in range");
+ error (_("First argument of 'IN' not in range"));
return value_from_longest (LA_BOOL_TYPE, member);
}
void
-_initialize_valarith ()
+_initialize_valarith (void)
{
}
projects / deliverable / binutils-gdb.git / blobdiff