Commit | Line | Data |
---|---|---|
6aecb9c2 JB |
1 | /* Support for printing D values for GDB, the GNU debugger. |
2 | ||
3 | Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "gdbtypes.h" | |
22 | #include "gdbcore.h" | |
23 | #include "d-lang.h" | |
24 | #include "c-lang.h" | |
25 | ||
26 | /* Assuming that TYPE is a TYPE_CODE_STRUCT, verify that TYPE is | |
27 | a dynamic array, and then print its value to STREAM. Return | |
28 | the number of string characters printed, or -1 if TYPE is not | |
29 | a dynamic array. */ | |
30 | static int | |
31 | dynamic_array_type (struct type *type, const gdb_byte *valaddr, | |
32 | int embedded_offset, CORE_ADDR address, | |
33 | struct ui_file *stream, int recurse, | |
34 | const struct value_print_options *options) | |
35 | { | |
36 | if (TYPE_NFIELDS (type) == 2 | |
37 | && TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_INT | |
38 | && strcmp (TYPE_FIELD_NAME (type, 0), "length") == 0 | |
39 | && strcmp (TYPE_FIELD_NAME (type, 1), "ptr") == 0) | |
40 | { | |
41 | CORE_ADDR addr; | |
42 | struct type *elttype; | |
43 | struct type *true_type; | |
44 | struct type *ptr_type; | |
6aecb9c2 JB |
45 | const gdb_byte *ptraddr; |
46 | struct value *val; | |
47 | int length; | |
48 | ||
49 | length = unpack_field_as_long (type, valaddr + embedded_offset, 0); | |
50 | ||
51 | ptr_type = TYPE_FIELD_TYPE (type, 1); | |
52 | elttype = check_typedef (TYPE_TARGET_TYPE (ptr_type)); | |
53 | addr = unpack_pointer (ptr_type, | |
54 | valaddr + TYPE_FIELD_BITPOS (type, 1) / 8 | |
55 | + embedded_offset); | |
56 | true_type = check_typedef (elttype); | |
57 | ||
58 | true_type = lookup_array_range_type (true_type, 0, length - 1); | |
59 | val = value_at (true_type, addr); | |
60 | ptraddr = value_contents (val); | |
61 | ||
62 | return d_val_print (true_type, ptraddr, 0, addr, stream, recurse + 1, | |
63 | options); | |
64 | } | |
65 | return -1; | |
66 | } | |
67 | ||
68 | /* Implements the la_val_print routine for language D. */ | |
69 | int | |
70 | d_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, | |
71 | CORE_ADDR address, struct ui_file *stream, int recurse, | |
72 | const struct value_print_options *options) | |
73 | { | |
74 | int ret; | |
75 | ||
76 | CHECK_TYPEDEF (type); | |
77 | switch (TYPE_CODE (type)) | |
78 | { | |
79 | case TYPE_CODE_STRUCT: | |
80 | ret = dynamic_array_type (type, valaddr, embedded_offset, address, | |
81 | stream, recurse, options); | |
82 | if (ret != -1) | |
83 | break; | |
84 | default: | |
85 | ret = c_val_print (type, valaddr, embedded_offset, address, stream, | |
86 | recurse, options); | |
87 | } | |
88 | ||
89 | return ret; | |
90 | } |