mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* Support for printing D values for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2008-2023 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,
|
|
LONGEST embedded_offset, CORE_ADDR address,
|
|
struct ui_file *stream, int recurse,
|
|
struct value *val,
|
|
const struct value_print_options *options)
|
|
{
|
|
if (type->num_fields () == 2
|
|
&& type->field (0).type ()->code () == TYPE_CODE_INT
|
|
&& strcmp (type->field (0).name (), "length") == 0
|
|
&& strcmp (type->field (1).name (), "ptr") == 0
|
|
&& !value_bits_any_optimized_out (val,
|
|
TARGET_CHAR_BIT * embedded_offset,
|
|
TARGET_CHAR_BIT * type->length ()))
|
|
{
|
|
CORE_ADDR addr;
|
|
struct type *elttype;
|
|
struct type *true_type;
|
|
struct type *ptr_type;
|
|
struct value *ival;
|
|
int length;
|
|
const gdb_byte *valaddr = value_contents_for_printing (val).data ();
|
|
|
|
length = unpack_field_as_long (type, valaddr + embedded_offset, 0);
|
|
|
|
ptr_type = type->field (1).type ();
|
|
elttype = check_typedef (ptr_type->target_type ());
|
|
addr = unpack_pointer (ptr_type,
|
|
valaddr + type->field (1).loc_bitpos () / 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_value_print_inner (ival, stream, recurse + 1, options);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* See d-lang.h. */
|
|
|
|
void
|
|
d_value_print_inner (struct value *val, struct ui_file *stream, int recurse,
|
|
const struct value_print_options *options)
|
|
{
|
|
int ret;
|
|
|
|
struct type *type = check_typedef (value_type (val));
|
|
switch (type->code ())
|
|
{
|
|
case TYPE_CODE_STRUCT:
|
|
ret = dynamic_array_type (type, value_embedded_offset (val),
|
|
value_address (val),
|
|
stream, recurse, val, options);
|
|
if (ret == 0)
|
|
break;
|
|
/* Fall through. */
|
|
default:
|
|
c_value_print_inner (val, stream, recurse, options);
|
|
break;
|
|
}
|
|
}
|