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;
}
/* Return a GDB type representing `struct gdb_gnu_v3_abi_vtable',
described above, laid out appropriately for ARCH.
We use this function as the gdbarch per-architecture data
initialization function. */
static void *
build_gdb_vtable_type (struct gdbarch *arch)
{
struct type *t;
struct field *field_list, *field;
int offset;
struct type *void_ptr_type
= builtin_type (arch)->builtin_data_ptr;
struct type *ptr_to_void_fn_type
= builtin_type (arch)->builtin_func_ptr;
/* ARCH can't give us the true ptrdiff_t type, so we guess. */
struct type *ptrdiff_type
= init_type (TYPE_CODE_INT,
gdbarch_ptr_bit (arch) / TARGET_CHAR_BIT, 0,
"ptrdiff_t", 0);
/* We assume no padding is necessary, since GDB doesn't know
anything about alignment at the moment. If this assumption bites
us, we should add a gdbarch method which, given a type, returns
the alignment that type requires, and then use that here. */
/* Build the field list. */
field_list = xmalloc (sizeof (struct field [4]));
memset (field_list, 0, sizeof (struct field [4]));
field = &field_list[0];
offset = 0;
/* ptrdiff_t vcall_and_vbase_offsets[0]; */
FIELD_NAME (*field) = "vcall_and_vbase_offsets";
FIELD_TYPE (*field)
= create_array_type (0, ptrdiff_type,
create_range_type (0, builtin_type_int32, 0, -1));
FIELD_BITPOS (*field) = offset * TARGET_CHAR_BIT;
offset += TYPE_LENGTH (FIELD_TYPE (*field));
field++;
/* ptrdiff_t offset_to_top; */
FIELD_NAME (*field) = "offset_to_top";
FIELD_TYPE (*field) = ptrdiff_type;
FIELD_BITPOS (*field) = offset * TARGET_CHAR_BIT;
offset += TYPE_LENGTH (FIELD_TYPE (*field));
field++;
/* void *type_info; */
FIELD_NAME (*field) = "type_info";
FIELD_TYPE (*field) = void_ptr_type;
FIELD_BITPOS (*field) = offset * TARGET_CHAR_BIT;
offset += TYPE_LENGTH (FIELD_TYPE (*field));
field++;
/* void (*virtual_functions[0]) (); */
FIELD_NAME (*field) = "virtual_functions";
FIELD_TYPE (*field)
= create_array_type (0, ptr_to_void_fn_type,
create_range_type (0, builtin_type_int32, 0, -1));
FIELD_BITPOS (*field) = offset * TARGET_CHAR_BIT;
offset += TYPE_LENGTH (FIELD_TYPE (*field));
field++;
/* We assumed in the allocation above that there were four fields. */
gdb_assert (field == (field_list + 4));
t = init_type (TYPE_CODE_STRUCT, offset, 0, 0, 0);
TYPE_NFIELDS (t) = field - field_list;
TYPE_FIELDS (t) = field_list;
TYPE_TAG_NAME (t) = "gdb_gnu_v3_abi_vtable";
return t;
}
