95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/* Support for printing D values for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2008-2016 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "gdbtypes.h"
|
|
#include "gdbcore.h"
|
|
#include "d-lang.h"
|
|
#include "c-lang.h"
|
|
|
|
/* Assuming that TYPE is a TYPE_CODE_STRUCT, verify that TYPE is a
|
|
dynamic array, and then print its value to STREAM. Return zero if
|
|
TYPE is a dynamic array, non-zero otherwise. */
|
|
|
|
static int
|
|
dynamic_array_type (struct type *type, const gdb_byte *valaddr,
|
|
int embedded_offset, CORE_ADDR address,
|
|
struct ui_file *stream, int recurse,
|
|
const struct value *val,
|
|
const struct value_print_options *options)
|
|
{
|
|
if (TYPE_NFIELDS (type) == 2
|
|
&& TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_INT
|
|
&& strcmp (TYPE_FIELD_NAME (type, 0), "length") == 0
|
|
&& strcmp (TYPE_FIELD_NAME (type, 1), "ptr") == 0
|
|
&& !value_bits_any_optimized_out (val,
|
|
TARGET_CHAR_BIT * embedded_offset,
|
|
TARGET_CHAR_BIT * TYPE_LENGTH (type)))
|
|
{
|
|
CORE_ADDR addr;
|
|
struct type *elttype;
|
|
struct type *true_type;
|
|
struct type *ptr_type;
|
|
struct value *ival;
|
|
int length;
|
|
|
|
length = unpack_field_as_long (type, valaddr + embedded_offset, 0);
|
|
|
|
ptr_type = TYPE_FIELD_TYPE (type, 1);
|
|
elttype = check_typedef (TYPE_TARGET_TYPE (ptr_type));
|
|
addr = unpack_pointer (ptr_type,
|
|
valaddr + TYPE_FIELD_BITPOS (type, 1) / 8
|
|
+ embedded_offset);
|
|
true_type = check_typedef (elttype);
|
|
|
|
true_type = lookup_array_range_type (true_type, 0, length - 1);
|
|
ival = value_at (true_type, addr);
|
|
true_type = value_type (ival);
|
|
|
|
d_val_print (true_type,
|
|
value_contents_for_printing (ival),
|
|
value_embedded_offset (ival), addr,
|
|
stream, recurse + 1, ival, options);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* Implements the la_val_print routine for language D. */
|
|
void
|
|
d_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
|
|
CORE_ADDR address, struct ui_file *stream, int recurse,
|
|
const struct value *val,
|
|
const struct value_print_options *options)
|
|
{
|
|
int ret;
|
|
|
|
type = check_typedef (type);
|
|
switch (TYPE_CODE (type))
|
|
{
|
|
case TYPE_CODE_STRUCT:
|
|
ret = dynamic_array_type (type, valaddr, embedded_offset, address,
|
|
stream, recurse, val, options);
|
|
if (ret == 0)
|
|
break;
|
|
default:
|
|
c_val_print (type, valaddr, embedded_offset, address, stream,
|
|
recurse, val, options);
|
|
}
|
|
}
|