static void
ada_val_print_struct_union
(struct type *type, const gdb_byte *valaddr, int offset,
int offset_aligned, CORE_ADDR address, struct ui_file *stream,
int recurse, struct value *original_value,
const struct value_print_options *options,
const struct language_defn *language)
{
if (ada_is_bogus_array_descriptor (type))
{
fprintf_filtered (stream, "(...?)");
return;
}
fprintf_filtered (stream, "(");
if (print_field_values (type, valaddr, offset_aligned,
stream, recurse, original_value, options,
0, type, offset_aligned, language) != 0
&& options->prettyformat)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
}
fprintf_filtered (stream, ")");
}
int
ada_value_print (struct value *val0, struct ui_file *stream, int format,
enum val_prettyprint pretty)
{
char *valaddr = VALUE_CONTENTS (val0);
CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0);
struct type *type =
ada_to_fixed_type (VALUE_TYPE (val0), valaddr, address, NULL);
struct value *val =
value_from_contents_and_address (type, valaddr, address);
/* If it is a pointer, indicate what it points to. */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
/* Hack: don't print (char *) for char strings. Their
type is indicated by the quoted string anyway. */
if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char)
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT
|| TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
else if (ada_is_array_descriptor_type (type))
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
else if (ada_is_bogus_array_descriptor (type))
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") (...?)");
return 0;
}
if (TYPE_CODE (type) == TYPE_CODE_ARRAY
&& TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == 0
&& TYPE_CODE (TYPE_INDEX_TYPE (type)) == TYPE_CODE_RANGE)
{
/* This is an array of zero-length elements, that is an array
of null records. This array needs to be printed by hand,
as the standard routine to print arrays relies on the size of
the array elements to be nonzero. This is because it computes
the number of elements in the array by dividing the array size
by the array element size. */
fprintf_filtered (stream, "(%d .. %d => ())",
TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)),
TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)));
return 0;
}
return (val_print (type, VALUE_CONTENTS (val), 0, address,
stream, format, 1, 0, pretty));
}
void
ada_value_print (struct value *val0, struct ui_file *stream,
const struct value_print_options *options)
{
struct value *val = ada_to_fixed_value (val0);
CORE_ADDR address = value_address (val);
struct type *type = ada_check_typedef (value_enclosing_type (val));
struct value_print_options opts;
/* If it is a pointer, indicate what it points to. */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
/* Hack: don't print (char *) for char strings. Their
type is indicated by the quoted string anyway. */
if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char)
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT
|| TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
else if (ada_is_array_descriptor_type (type))
{
/* We do not print the type description unless TYPE is an array
access type (this is encoded by the compiler as a typedef to
a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */
if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
else if (ada_is_bogus_array_descriptor (type))
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") (...?)");
return;
}
opts = *options;
opts.deref_ref = 1;
val_print (type,
value_embedded_offset (val), address,
stream, 0, val, &opts, current_language);
}
static int
ada_val_print_1 (struct type *type, char *valaddr0, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
unsigned int len;
int i;
struct type *elttype;
unsigned int eltlen;
LONGEST val;
char *valaddr = valaddr0 + embedded_offset;
CHECK_TYPEDEF (type);
if (ada_is_array_descriptor_type (type) || ada_is_packed_array_type (type))
{
int retn;
struct value *mark = value_mark ();
struct value *val;
val = value_from_contents_and_address (type, valaddr, address);
val = ada_coerce_to_simple_array_ptr (val);
if (val == NULL)
{
fprintf_filtered (stream, "(null)");
retn = 0;
}
else
retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
VALUE_ADDRESS (val), stream, format,
deref_ref, recurse, pretty);
value_free_to_mark (mark);
return retn;
}
valaddr = ada_aligned_value_addr (type, valaddr);
embedded_offset -= valaddr - valaddr0 - embedded_offset;
type = printable_val_type (type, valaddr);
switch (TYPE_CODE (type))
{
default:
return c_val_print (type, valaddr0, embedded_offset, address, stream,
format, deref_ref, recurse, pretty);
case TYPE_CODE_PTR:
{
int ret = c_val_print (type, valaddr0, embedded_offset, address,
stream, format, deref_ref, recurse, pretty);
if (ada_is_tag_type (type))
{
struct value *val =
value_from_contents_and_address (type, valaddr, address);
const char *name = ada_tag_name (val);
if (name != NULL)
fprintf_filtered (stream, " (%s)", name);
return 0;
}
return ret;
}
case TYPE_CODE_INT:
case TYPE_CODE_RANGE:
if (ada_is_fixed_point_type (type))
{
LONGEST v = unpack_long (type, valaddr);
int len = TYPE_LENGTH (type);
fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g",
(double) ada_fixed_to_float (type, v));
return 0;
}
else if (ada_is_vax_floating_type (type))
{
struct value *val =
value_from_contents_and_address (type, valaddr, address);
struct value *func = ada_vax_float_print_function (type);
if (func != 0)
{
static struct type *parray_of_char = NULL;
struct value *printable_val;
if (parray_of_char == NULL)
parray_of_char =
make_pointer_type
(create_array_type
(NULL, builtin_type_char,
create_range_type (NULL, builtin_type_int, 0, 32)), NULL);
printable_val =
value_ind (value_cast (parray_of_char,
call_function_by_hand (func, 1,
&val)));
fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val));
return 0;
}
/* No special printing function. Do as best we can. */
}
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
{
struct type *target_type = TYPE_TARGET_TYPE (type);
if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
{
/* Obscure case of range type that has different length from
its base type. Perform a conversion, or we will get a
nonsense value. Actually, we could use the same
code regardless of lengths; I'm just avoiding a cast. */
struct value *v = value_cast (target_type,
value_from_contents_and_address
(type, valaddr, 0));
return ada_val_print_1 (target_type, VALUE_CONTENTS (v), 0, 0,
stream, format, 0, recurse + 1, pretty);
}
else
return ada_val_print_1 (TYPE_TARGET_TYPE (type),
valaddr0, embedded_offset,
address, stream, format, deref_ref,
recurse, pretty);
}
else
{
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else if (ada_is_system_address_type (type))
{
/* FIXME: We want to print System.Address variables using
the same format as for any access type. But for some
reason GNAT encodes the System.Address type as an int,
so we have to work-around this deficiency by handling
System.Address values as a special case. */
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
print_address_numeric
(extract_typed_address (valaddr, builtin_type_void_data_ptr),
1, stream);
}
else
{
val_print_type_code_int (type, valaddr, stream);
if (ada_is_character_type (type))
{
fputs_filtered (" ", stream);
ada_printchar ((unsigned char) unpack_long (type, valaddr),
stream);
}
}
return 0;
}
case TYPE_CODE_ENUM:
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
val = unpack_long (type, valaddr);
for (i = 0; i < len; i++)
{
QUIT;
if (val == TYPE_FIELD_BITPOS (type, i))
{
break;
}
}
if (i < len)
{
const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i));
if (name[0] == '\'')
fprintf_filtered (stream, "%ld %s", (long) val, name);
else
fputs_filtered (name, stream);
}
else
{
print_longest (stream, 'd', 0, val);
}
break;
case TYPE_CODE_FLT:
if (format)
return c_val_print (type, valaddr0, embedded_offset, address, stream,
format, deref_ref, recurse, pretty);
else
ada_print_floating (valaddr0 + embedded_offset, type, stream);
break;
case TYPE_CODE_UNION:
case TYPE_CODE_STRUCT:
if (ada_is_bogus_array_descriptor (type))
{
fprintf_filtered (stream, "(...?)");
return 0;
}
else
{
print_record (type, valaddr, stream, format, recurse, pretty);
return 0;
}
case TYPE_CODE_ARRAY:
elttype = TYPE_TARGET_TYPE (type);
if (elttype == NULL)
eltlen = 0;
else
eltlen = TYPE_LENGTH (elttype);
/* FIXME: This doesn't deal with non-empty arrays of
0-length items (not a typical case!) */
if (eltlen == 0)
len = 0;
else
len = TYPE_LENGTH (type) / eltlen;
/* For an array of chars, print with string syntax. */
if (ada_is_string_type (type) && (format == 0 || format == 's'))
{
if (prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
/* If requested, look for the first null char and only print
elements up to it. */
if (stop_print_at_null)
{
int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
temp_len < len && temp_len < print_max
&& char_at (valaddr, temp_len, eltlen) != 0;
temp_len += 1);
len = temp_len;
}
printstr (stream, valaddr, len, 0, eltlen);
}
else
{
len = 0;
fprintf_filtered (stream, "(");
print_optional_low_bound (stream, type);
if (TYPE_FIELD_BITSIZE (type, 0) > 0)
val_print_packed_array_elements (type, valaddr, 0, stream,
format, recurse, pretty);
else
val_print_array_elements (type, valaddr, address, stream,
format, deref_ref, recurse,
pretty, 0);
fprintf_filtered (stream, ")");
}
gdb_flush (stream);
return len;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
/* De-reference the reference */
if (deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
LONGEST deref_val_int = (LONGEST)
unpack_pointer (lookup_pointer_type (builtin_type_void),
valaddr);
if (deref_val_int != 0)
{
struct value *deref_val =
ada_value_ind (value_from_longest
(lookup_pointer_type (elttype),
deref_val_int));
val_print (VALUE_TYPE (deref_val),
VALUE_CONTENTS (deref_val), 0,
VALUE_ADDRESS (deref_val), stream, format,
deref_ref, recurse + 1, pretty);
}
else
fputs_filtered ("(null)", stream);
}
else
fputs_filtered ("???", stream);
}
break;
}
gdb_flush (stream);
return 0;
}
void
ada_print_type (struct type *type0, const char *varstring,
struct ui_file *stream, int show, int level,
const struct type_print_options *flags)
{
struct type *type = ada_check_typedef (ada_get_base_type (type0));
char *type_name = decoded_type_name (type0);
int is_var_decl = (varstring != NULL && varstring[0] != '\0');
if (type == NULL)
{
if (is_var_decl)
fprintf_filtered (stream, "%.*s: ",
ada_name_prefix_len (varstring), varstring);
fprintf_filtered (stream, "<null type?>");
return;
}
if (show > 0)
type = ada_check_typedef (type);
if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC)
fprintf_filtered (stream, "%.*s: ",
ada_name_prefix_len (varstring), varstring);
if (type_name != NULL && show <= 0 && !ada_is_aligner_type (type))
{
fprintf_filtered (stream, "%.*s",
ada_name_prefix_len (type_name), type_name);
return;
}
if (ada_is_aligner_type (type))
ada_print_type (ada_aligned_type (type), "", stream, show, level, flags);
else if (ada_is_constrained_packed_array_type (type)
&& TYPE_CODE (type) != TYPE_CODE_PTR)
print_array_type (type, stream, show, level, flags);
else
switch (TYPE_CODE (type))
{
default:
fprintf_filtered (stream, "<");
c_print_type (type, "", stream, show, level, flags);
fprintf_filtered (stream, ">");
break;
case TYPE_CODE_PTR:
case TYPE_CODE_TYPEDEF:
fprintf_filtered (stream, "access ");
ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level,
flags);
break;
case TYPE_CODE_REF:
fprintf_filtered (stream, "<ref> ");
ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level,
flags);
break;
case TYPE_CODE_ARRAY:
print_array_type (type, stream, show, level, flags);
break;
case TYPE_CODE_BOOL:
fprintf_filtered (stream, "(false, true)");
break;
case TYPE_CODE_INT:
if (ada_is_fixed_point_type (type))
print_fixed_point_type (type, stream);
else
{
const char *name = ada_type_name (type);
if (!ada_is_range_type_name (name))
fprintf_filtered (stream, _("<%d-byte integer>"),
TYPE_LENGTH (type));
else
{
fprintf_filtered (stream, "range ");
print_range_type (type, stream);
}
}
break;
case TYPE_CODE_RANGE:
if (ada_is_fixed_point_type (type))
print_fixed_point_type (type, stream);
else if (ada_is_modular_type (type))
fprintf_filtered (stream, "mod %s",
int_string (ada_modulus (type), 10, 0, 0, 1));
else
{
fprintf_filtered (stream, "range ");
print_range (type, stream);
}
break;
case TYPE_CODE_FLT:
fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type));
break;
case TYPE_CODE_ENUM:
if (show < 0)
fprintf_filtered (stream, "(...)");
else
print_enum_type (type, stream);
break;
case TYPE_CODE_STRUCT:
if (ada_is_array_descriptor_type (type))
print_array_type (type, stream, show, level, flags);
else if (ada_is_bogus_array_descriptor (type))
fprintf_filtered (stream,
_("array (?) of ? (<mal-formed descriptor>)"));
else
print_record_type (type, stream, show, level, flags);
break;
case TYPE_CODE_UNION:
print_unchecked_union_type (type, stream, show, level, flags);
break;
case TYPE_CODE_FUNC:
print_func_type (type, stream, varstring, flags);
break;
}
}
