1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* Support for printing D values for GDB, the GNU debugger.
Copyright (C) 2008-2022 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;
}
}
|
