Use statically known types, use hash for formats
[babeltrace.git] / include / babeltrace / types.h
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1#ifndef _BABELTRACE_TYPES_H
2#define _BABELTRACE_TYPES_H
3
4/*
5 * BabelTrace
6 *
fc93b2bd 7 * Type Header
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8 *
9 * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
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26#include <babeltrace/format.h>
27
28struct type_class {
29 GQuark name; /* type name */
30 size_t alignment; /* type alignment, in bits */
31 /*
32 * Type copy function. Knows how to find the child type_class from the
33 * parent type_class.
34 */
35 size_t (*copy)(unsigned char *dest, const struct format *fdest,
36 const unsigned char *src, const struct format *fsrc,
37 const struct type_class *type_class);
38};
39
40struct type_class_integer {
41 struct type_class p;
42 size_t len; /* length, in bits. */
43 int byte_order; /* byte order */
44 int signedness;
45};
46
47struct type_class_bitfield {
48 struct type_class_integer p;
49 size_t start_offset; /* offset from base address, in bits */
50};
51
52struct type_class_float {
53 struct type_class p;
54 size_t mantissa_len;
55 size_t exp_len;
56 int byte_order;
57};
58
59struct type_class_enum {
60 struct type_class_bitfield; /* inherit from bitfield */
61 struct enum_table *table;
62};
63
64struct type_class_struct {
65 struct type_class p;
66 /* TODO */
67};
68
d79865b9 69#endif /* _BABELTRACE_TYPES_H */
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