/* Perform arithmetic and other operations on values, for GDB.
Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
+ 2010 Free Software Foundation, Inc.
This file is part of GDB.
byte = *((char *) value_contents (bitstring) + offset);
bit_index = index % TARGET_CHAR_BIT;
- byte >>= (gdbarch_bits_big_endian (current_gdbarch) ?
+ byte >>= (gdbarch_bits_big_endian (get_type_arch (bitstring_type)) ?
TARGET_CHAR_BIT - 1 - bit_index : bit_index);
v = value_from_longest (type, byte & 1);
struct value *
value_x_unop (struct value *arg1, enum exp_opcode op, enum noside noside)
{
+ struct gdbarch *gdbarch = get_type_arch (value_type (arg1));
struct value **argvec;
char *ptr, *mangle_ptr;
char tstr[13], mangle_tstr[13];
break;
case UNOP_POSTINCREMENT:
strcpy (ptr, "++");
- argvec[2] = value_from_longest (builtin_type_int8, 0);
+ argvec[2] = value_from_longest (builtin_type (gdbarch)->builtin_int, 0);
argvec[3] = 0;
nargs ++;
break;
case UNOP_POSTDECREMENT:
strcpy (ptr, "--");
- argvec[2] = value_from_longest (builtin_type_int8, 0);
+ argvec[2] = value_from_longest (builtin_type (gdbarch)->builtin_int, 0);
argvec[3] = 0;
nargs ++;
break;
other types if one of them is not decimal floating point. */
static void
value_args_as_decimal (struct value *arg1, struct value *arg2,
- gdb_byte *x, int *len_x, gdb_byte *y, int *len_y)
+ gdb_byte *x, int *len_x, enum bfd_endian *byte_order_x,
+ gdb_byte *y, int *len_y, enum bfd_endian *byte_order_y)
{
struct type *type1, *type2;
if (TYPE_CODE (type1) == TYPE_CODE_DECFLOAT)
{
+ *byte_order_x = gdbarch_byte_order (get_type_arch (type1));
*len_x = TYPE_LENGTH (type1);
memcpy (x, value_contents (arg1), *len_x);
}
else if (is_integral_type (type1))
{
+ *byte_order_x = gdbarch_byte_order (get_type_arch (type2));
*len_x = TYPE_LENGTH (type2);
- decimal_from_integral (arg1, x, *len_x);
+ decimal_from_integral (arg1, x, *len_x, *byte_order_x);
}
else
error (_("Don't know how to convert from %s to %s."), TYPE_NAME (type1),
if (TYPE_CODE (type2) == TYPE_CODE_DECFLOAT)
{
+ *byte_order_y = gdbarch_byte_order (get_type_arch (type2));
*len_y = TYPE_LENGTH (type2);
memcpy (y, value_contents (arg2), *len_y);
}
else if (is_integral_type (type2))
{
+ *byte_order_y = gdbarch_byte_order (get_type_arch (type1));
*len_y = TYPE_LENGTH (type1);
- decimal_from_integral (arg2, y, *len_y);
+ decimal_from_integral (arg2, y, *len_y, *byte_order_y);
}
else
error (_("Don't know how to convert from %s to %s."), TYPE_NAME (type1),
{
struct type *v_type;
int len_v1, len_v2, len_v;
+ enum bfd_endian byte_order_v1, byte_order_v2, byte_order_v;
gdb_byte v1[16], v2[16];
gdb_byte v[16];
result_type = type1;
len_v = TYPE_LENGTH (result_type);
+ byte_order_v = gdbarch_byte_order (get_type_arch (result_type));
- value_args_as_decimal (arg1, arg2, v1, &len_v1, v2, &len_v2);
+ value_args_as_decimal (arg1, arg2, v1, &len_v1, &byte_order_v1,
+ v2, &len_v2, &byte_order_v2);
switch (op)
{
case BINOP_MUL:
case BINOP_DIV:
case BINOP_EXP:
- decimal_binop (op, v1, len_v1, v2, len_v2, v, len_v);
+ decimal_binop (op, v1, len_v1, byte_order_v1,
+ v2, len_v2, byte_order_v2,
+ v, len_v, byte_order_v);
break;
default:
val = allocate_value (result_type);
store_signed_integer (value_contents_raw (val),
TYPE_LENGTH (result_type),
+ gdbarch_byte_order (get_type_arch (result_type)),
v);
}
else
v = v1 < v2;
break;
+ case BINOP_GTR:
+ v = v1 > v2;
+ break;
+
+ case BINOP_LEQ:
+ v = v1 <= v2;
+ break;
+
+ case BINOP_GEQ:
+ v = v1 >= v2;
+ break;
+
default:
error (_("Invalid binary operation on numbers."));
}
val = allocate_value (result_type);
store_unsigned_integer (value_contents_raw (val),
TYPE_LENGTH (value_type (val)),
+ gdbarch_byte_order
+ (get_type_arch (result_type)),
v);
}
else
v = v1 == v2;
break;
+ case BINOP_NOTEQUAL:
+ v = v1 != v2;
+ break;
+
case BINOP_LESS:
v = v1 < v2;
break;
+ case BINOP_GTR:
+ v = v1 > v2;
+ break;
+
+ case BINOP_LEQ:
+ v = v1 <= v2;
+ break;
+
+ case BINOP_GEQ:
+ v = v1 >= v2;
+ break;
+
default:
error (_("Invalid binary operation on numbers."));
}
val = allocate_value (result_type);
store_signed_integer (value_contents_raw (val),
TYPE_LENGTH (value_type (val)),
+ gdbarch_byte_order
+ (get_type_arch (result_type)),
v);
}
}
if (TYPE_CODE (type1) == TYPE_CODE_FLT)
return 0 == value_as_double (arg1);
else if (TYPE_CODE (type1) == TYPE_CODE_DECFLOAT)
- return decimal_is_zero (value_contents (arg1), TYPE_LENGTH (type1));
+ return decimal_is_zero (value_contents (arg1), TYPE_LENGTH (type1),
+ gdbarch_byte_order (get_type_arch (type1)));
len = TYPE_LENGTH (type1);
p = value_contents (arg1);
{
gdb_byte v1[16], v2[16];
int len_v1, len_v2;
+ enum bfd_endian byte_order_v1, byte_order_v2;
- value_args_as_decimal (arg1, arg2, v1, &len_v1, v2, &len_v2);
+ value_args_as_decimal (arg1, arg2, v1, &len_v1, &byte_order_v1,
+ v2, &len_v2, &byte_order_v2);
- return decimal_compare (v1, len_v1, v2, len_v2) == 0;
+ return decimal_compare (v1, len_v1, byte_order_v1,
+ v2, len_v2, byte_order_v2) == 0;
}
/* FIXME: Need to promote to either CORE_ADDR or LONGEST, whichever
}
}
+/* Compare values based on their raw contents. Useful for arrays since
+ value_equal coerces them to pointers, thus comparing just the address
+ of the array instead of its contents. */
+
+int
+value_equal_contents (struct value *arg1, struct value *arg2)
+{
+ struct type *type1, *type2;
+
+ type1 = check_typedef (value_type (arg1));
+ type2 = check_typedef (value_type (arg2));
+
+ return (TYPE_CODE (type1) == TYPE_CODE (type2)
+ && TYPE_LENGTH (type1) == TYPE_LENGTH (type2)
+ && memcmp (value_contents (arg1), value_contents (arg2),
+ TYPE_LENGTH (type1)) == 0);
+}
+
/* Simulate the C operator < by returning 1
iff ARG1's contents are less than ARG2's. */
{
gdb_byte v1[16], v2[16];
int len_v1, len_v2;
+ enum bfd_endian byte_order_v1, byte_order_v2;
- value_args_as_decimal (arg1, arg2, v1, &len_v1, v2, &len_v2);
+ value_args_as_decimal (arg1, arg2, v1, &len_v1, &byte_order_v1,
+ v2, &len_v2, &byte_order_v2);
- return decimal_compare (v1, len_v1, v2, len_v2) == -1;
+ return decimal_compare (v1, len_v1, byte_order_v1,
+ v2, len_v2, byte_order_v2) == -1;
}
else if (code1 == TYPE_CODE_PTR && code2 == TYPE_CODE_PTR)
return value_as_address (arg1) < value_as_address (arg2);
memcpy (decbytes, value_contents (arg1), len);
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_LITTLE)
+ if (gdbarch_byte_order (get_type_arch (type)) == BFD_ENDIAN_LITTLE)
decbytes[len-1] = decbytes[len - 1] | 0x80;
else
decbytes[0] = decbytes[0] | 0x80;
int
value_bit_index (struct type *type, const gdb_byte *valaddr, int index)
{
+ struct gdbarch *gdbarch = get_type_arch (type);
LONGEST low_bound, high_bound;
LONGEST word;
unsigned rel_index;
if (index < low_bound || index > high_bound)
return -1;
rel_index = index - low_bound;
- word = extract_unsigned_integer (valaddr + (rel_index / TARGET_CHAR_BIT), 1);
+ word = extract_unsigned_integer (valaddr + (rel_index / TARGET_CHAR_BIT), 1,
+ gdbarch_byte_order (gdbarch));
rel_index %= TARGET_CHAR_BIT;
- if (gdbarch_bits_big_endian (current_gdbarch))
+ if (gdbarch_bits_big_endian (gdbarch))
rel_index = TARGET_CHAR_BIT - 1 - rel_index;
return (word >> rel_index) & 1;
}
projects / deliverable / binutils-gdb.git / blobdiff