| 1 | /* |
| 2 | * integer.c |
| 3 | * |
| 4 | * BabelTrace - Integer Type Converter |
| 5 | * |
| 6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | */ |
| 18 | |
| 19 | #include <babeltrace/compiler.h> |
| 20 | #include <babeltrace/align.h> |
| 21 | #include <babeltrace/format.h> |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | static |
| 25 | struct definition *_integer_definition_new(struct declaration *declaration, |
| 26 | struct definition_scope *parent_scope, |
| 27 | GQuark field_name, int index); |
| 28 | static |
| 29 | void _integer_definition_free(struct definition *definition); |
| 30 | |
| 31 | void integer_copy(struct stream_pos *dest, const struct format *fdest, |
| 32 | struct stream_pos *src, const struct format *fsrc, |
| 33 | struct definition *definition) |
| 34 | { |
| 35 | struct definition_integer *integer = |
| 36 | container_of(definition, struct definition_integer, p); |
| 37 | struct declaration_integer *integer_declaration = integer->declaration; |
| 38 | |
| 39 | if (!integer_declaration->signedness) { |
| 40 | uint64_t v; |
| 41 | |
| 42 | v = fsrc->uint_read(src, integer_declaration); |
| 43 | fdest->uint_write(dest, integer_declaration, v); |
| 44 | } else { |
| 45 | int64_t v; |
| 46 | |
| 47 | v = fsrc->int_read(src, integer_declaration); |
| 48 | fdest->int_write(dest, integer_declaration, v); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | static |
| 53 | void _integer_declaration_free(struct declaration *declaration) |
| 54 | { |
| 55 | struct declaration_integer *integer_declaration = |
| 56 | container_of(declaration, struct declaration_integer, p); |
| 57 | g_free(integer_declaration); |
| 58 | } |
| 59 | |
| 60 | struct declaration_integer * |
| 61 | integer_declaration_new(size_t len, int byte_order, |
| 62 | int signedness, size_t alignment) |
| 63 | { |
| 64 | struct declaration_integer *integer_declaration; |
| 65 | |
| 66 | integer_declaration = g_new(struct declaration_integer, 1); |
| 67 | integer_declaration->p.id = CTF_TYPE_INTEGER; |
| 68 | integer_declaration->p.alignment = alignment; |
| 69 | integer_declaration->p.copy = integer_copy; |
| 70 | integer_declaration->p.declaration_free = _integer_declaration_free; |
| 71 | integer_declaration->p.definition_free = _integer_definition_free; |
| 72 | integer_declaration->p.definition_new = _integer_definition_new; |
| 73 | integer_declaration->p.ref = 1; |
| 74 | integer_declaration->len = len; |
| 75 | integer_declaration->byte_order = byte_order; |
| 76 | integer_declaration->signedness = signedness; |
| 77 | return integer_declaration; |
| 78 | } |
| 79 | |
| 80 | static |
| 81 | struct definition * |
| 82 | _integer_definition_new(struct declaration *declaration, |
| 83 | struct definition_scope *parent_scope, |
| 84 | GQuark field_name, int index) |
| 85 | { |
| 86 | struct declaration_integer *integer_declaration = |
| 87 | container_of(declaration, struct declaration_integer, p); |
| 88 | struct definition_integer *integer; |
| 89 | |
| 90 | integer = g_new(struct definition_integer, 1); |
| 91 | declaration_ref(&integer_declaration->p); |
| 92 | integer->p.declaration = declaration; |
| 93 | integer->declaration = integer_declaration; |
| 94 | integer->p.ref = 1; |
| 95 | integer->p.index = index; |
| 96 | integer->value._unsigned = 0; |
| 97 | return &integer->p; |
| 98 | } |
| 99 | |
| 100 | static |
| 101 | void _integer_definition_free(struct definition *definition) |
| 102 | { |
| 103 | struct definition_integer *integer = |
| 104 | container_of(definition, struct definition_integer, p); |
| 105 | |
| 106 | declaration_unref(integer->p.declaration); |
| 107 | g_free(integer); |
| 108 | } |