/* Perform arithmetic and other operations on values, for GDB.
- Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ 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.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "value.h"
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 *.");
+ 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);
+ error (_("Cannot perform pointer math on incomplete type \"%s\", "
+ "try casting to a known type, or void *."), name);
}
}
return sz;
}
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."));
}
}
/* 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");
+ warning (_("array or string index out of range"));
/* fall doing C stuff */
c_style = 1;
}
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);
- v->bitpos = bit_index;
- v->bitsize = 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_FRAME_ID (v) = VALUE_FRAME_ID (array);
- v->offset = offset + value_offset (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
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;
+ 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;
VALUE_ADDRESS (v) = VALUE_ADDRESS (array);
VALUE_REGNUM (v) = VALUE_REGNUM (array);
VALUE_FRAME_ID (v) = VALUE_FRAME_ID (array);
- v->offset = value_offset (array) + elt_offs;
+ 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. */
struct type *type1, *type2;
if (op == BINOP_ASSIGN || op == BINOP_CONCAT)
return 0;
+
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
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 */
+ error (_("Can't do that binary op on that type")); /* FIXME be explicit */
argvec = (struct value **) alloca (sizeof (struct value *) * 4);
argvec[1] = value_addr (arg1);
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");
}
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
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 */
+ error (_("Can't do that unary op on that type")); /* FIXME be explicit */
argvec = (struct value **) alloca (sizeof (struct value *) * 4);
argvec[1] = value_addr (arg1);
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");
}
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
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);
}
if ((TYPE_CODE (type1) != TYPE_CODE_FLT && !is_integral_type (type1))
||
(TYPE_CODE (type2) != TYPE_CODE_FLT && !is_integral_type (type2)))
- error ("Argument to arithmetic operation not a number or boolean.");
+ 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", safe_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
double. */
- if (TYPE_LENGTH (type1) * 8 > TARGET_DOUBLE_BIT
- || TYPE_LENGTH (type2) * 8 > TARGET_DOUBLE_BIT)
+ if (TYPE_LENGTH (type1) * 8 > gdbarch_double_bit (current_gdbarch)
+ || TYPE_LENGTH (type2) * 8 > gdbarch_double_bit (current_gdbarch))
val = allocate_value (builtin_type_long_double);
else
val = allocate_value (builtin_type_double);
break;
default:
- error ("Invalid operation on booleans.");
+ error (_("Invalid operation on booleans."));
}
val = allocate_value (type1);
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", safe_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;
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
/* Can't just call init_type because we wouldn't know what
name to give the type. */
val = allocate_value
- (result_len > TARGET_LONG_BIT / HOST_CHAR_BIT
+ (result_len > gdbarch_long_bit (current_gdbarch) / HOST_CHAR_BIT
? builtin_type_unsigned_long_long
: builtin_type_unsigned_long);
store_unsigned_integer (value_contents_raw (val),
if (v2 != 0)
v = v1 / v2;
else
- error ("Division by zero");
+ error (_("Division by zero"));
break;
- case BINOP_EXP:
- v = pow (v1, v2);
- if (errno)
- error ("Cannot perform exponentiation: %s", safe_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:
if (v2 != 0)
v = v1 % v2;
else
- error ("Division by zero");
+ error (_("Division by zero"));
break;
case BINOP_MOD:
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
/* Can't just call init_type because we wouldn't know what
name to give the type. */
val = allocate_value
- (result_len > TARGET_LONG_BIT / HOST_CHAR_BIT
+ (result_len > gdbarch_long_bit (current_gdbarch) / HOST_CHAR_BIT
? builtin_type_long_long
: builtin_type_long);
store_signed_integer (value_contents_raw (val),
value_logical_not (struct value *arg1)
{
int len;
- char *p;
+ const gdb_byte *p;
struct type *type1;
arg1 = coerce_number (arg1);
return 0 == value_as_double (arg1);
len = TYPE_LENGTH (type1);
- p = VALUE_CONTENTS (arg1);
+ p = value_contents (arg1);
while (--len >= 0)
{
{
int len1 = TYPE_LENGTH (value_type (arg1));
int len2 = TYPE_LENGTH (value_type (arg2));
- char *s1 = VALUE_CONTENTS (arg1);
- char *s2 = VALUE_CONTENTS (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++)
value_equal (struct value *arg1, struct value *arg2)
{
int len;
- char *p1, *p2;
+ const gdb_byte *p1;
+ const gdb_byte *p2;
struct type *type1, *type2;
enum type_code code1;
enum type_code code2;
BINOP_EQUAL)));
else if ((code1 == TYPE_CODE_FLT || is_int1)
&& (code2 == TYPE_CODE_FLT || is_int2))
- return value_as_double (arg1) == value_as_double (arg2);
+ {
+ /* 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. */
&& ((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 */
}
}
BINOP_LESS)));
else if ((code1 == TYPE_CODE_FLT || is_int1)
&& (code2 == TYPE_CODE_FLT || is_int2))
- return value_as_double (arg1) < value_as_double (arg2);
+ {
+ /* 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_address (arg1) < value_as_address (arg2);
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 */
+ }
+}
struct value *
value_neg (struct value *arg1)
}
else
{
- error ("Argument to negate operation not a number.");
+ error (_("Argument to negate operation not a number."));
return 0; /* For lint -- never reached */
}
}
type = check_typedef (value_type (arg1));
if (!is_integral_type (type))
- error ("Argument to complement operation not an integer or boolean.");
+ error (_("Argument to complement operation not an integer or boolean."));
/* Perform integral promotion for ANSI C/C++.
FIXME: What about FORTRAN ? */
}
\f
/* The INDEX'th bit of SET value whose value_type is TYPE,
- and whose VALUE_CONTENTS is valaddr.
+ and whose value_contents is valaddr.
Return -1 if out of range, -2 other error. */
int
-value_bit_index (struct type *type, const bfd_byte *valaddr, int index)
+value_bit_index (struct type *type, const gdb_byte *valaddr, int index)
{
LONGEST low_bound, high_bound;
LONGEST word;
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);
}