| 1 | #ifndef _BABELTRACE_TYPES_H |
| 2 | #define _BABELTRACE_TYPES_H |
| 3 | |
| 4 | /* |
| 5 | * BabelTrace |
| 6 | * |
| 7 | * Type Header |
| 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 | |
| 26 | #include <babeltrace/format.h> |
| 27 | |
| 28 | struct 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 | |
| 40 | struct 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 | |
| 47 | int integer_type_new(const char *name, size_t len, int byte_order, |
| 48 | int signedness); |
| 49 | |
| 50 | struct type_class_bitfield { |
| 51 | struct type_class_integer p; |
| 52 | size_t start_offset; /* offset from base address, in bits */ |
| 53 | }; |
| 54 | |
| 55 | int bitfield_type_new(const char *name, size_t start_offset, |
| 56 | size_t len, int byte_order, int signedness); |
| 57 | |
| 58 | struct type_class_float { |
| 59 | struct type_class p; |
| 60 | size_t mantissa_len; |
| 61 | size_t exp_len; |
| 62 | int byte_order; |
| 63 | }; |
| 64 | |
| 65 | struct type_class_enum { |
| 66 | struct type_class_bitfield; /* inherit from bitfield */ |
| 67 | struct enum_table *table; |
| 68 | }; |
| 69 | |
| 70 | struct type_class_struct { |
| 71 | struct type_class p; |
| 72 | /* TODO */ |
| 73 | }; |
| 74 | |
| 75 | struct type_class *ctf_lookup_type(GQuark qname); |
| 76 | int ctf_register_type(struct type_class *type_class); |
| 77 | |
| 78 | #endif /* _BABELTRACE_TYPES_H */ |