Commit | Line | Data |
---|---|---|
fc93b2bd | 1 | /* |
ccd7e1c8 | 2 | * integer.c |
fc93b2bd | 3 | * |
ccd7e1c8 | 4 | * BabelTrace - Integer Type Converter |
fc93b2bd | 5 | * |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
fc93b2bd | 9 | * |
ccd7e1c8 MD |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
fc93b2bd | 16 | * |
ccd7e1c8 MD |
17 | * The above copyright notice and this permission notice shall be included in |
18 | * all copies or substantial portions of the Software. | |
fc93b2bd MD |
19 | */ |
20 | ||
21 | #include <babeltrace/compiler.h> | |
698f0fe4 | 22 | #include <babeltrace/align.h> |
4c8bfb7e | 23 | #include <babeltrace/format.h> |
3122e6f0 | 24 | #include <babeltrace/types.h> |
fc93b2bd MD |
25 | #include <stdint.h> |
26 | ||
c054553d | 27 | static |
f6625916 | 28 | struct definition *_integer_definition_new(struct declaration *declaration, |
05c749e5 | 29 | struct definition_scope *parent_scope, |
98df1c9f MD |
30 | GQuark field_name, int index, |
31 | const char *root_name); | |
c054553d | 32 | static |
e1151715 | 33 | void _integer_definition_free(struct definition *definition); |
c054553d | 34 | |
c054553d | 35 | static |
f6625916 | 36 | void _integer_declaration_free(struct declaration *declaration) |
90b676d7 | 37 | { |
f6625916 MD |
38 | struct declaration_integer *integer_declaration = |
39 | container_of(declaration, struct declaration_integer, p); | |
40 | g_free(integer_declaration); | |
90b676d7 MD |
41 | } |
42 | ||
f6625916 | 43 | struct declaration_integer * |
add40b62 | 44 | integer_declaration_new(size_t len, int byte_order, |
81dee1bb | 45 | int signedness, size_t alignment, int base, |
56e60373 MD |
46 | enum ctf_string_encoding encoding, |
47 | struct ctf_clock *clock) | |
698f0fe4 | 48 | { |
f6625916 | 49 | struct declaration_integer *integer_declaration; |
698f0fe4 | 50 | |
f6625916 MD |
51 | integer_declaration = g_new(struct declaration_integer, 1); |
52 | integer_declaration->p.id = CTF_TYPE_INTEGER; | |
f6625916 | 53 | integer_declaration->p.alignment = alignment; |
f6625916 MD |
54 | integer_declaration->p.declaration_free = _integer_declaration_free; |
55 | integer_declaration->p.definition_free = _integer_definition_free; | |
56 | integer_declaration->p.definition_new = _integer_definition_new; | |
57 | integer_declaration->p.ref = 1; | |
58 | integer_declaration->len = len; | |
59 | integer_declaration->byte_order = byte_order; | |
60 | integer_declaration->signedness = signedness; | |
164078da | 61 | integer_declaration->base = base; |
81dee1bb | 62 | integer_declaration->encoding = encoding; |
56e60373 | 63 | integer_declaration->clock = clock; |
f6625916 | 64 | return integer_declaration; |
698f0fe4 | 65 | } |
c054553d MD |
66 | |
67 | static | |
e1151715 | 68 | struct definition * |
f6625916 | 69 | _integer_definition_new(struct declaration *declaration, |
05c749e5 | 70 | struct definition_scope *parent_scope, |
98df1c9f MD |
71 | GQuark field_name, int index, |
72 | const char *root_name) | |
c054553d | 73 | { |
f6625916 MD |
74 | struct declaration_integer *integer_declaration = |
75 | container_of(declaration, struct declaration_integer, p); | |
e1151715 | 76 | struct definition_integer *integer; |
98df1c9f | 77 | int ret; |
c054553d | 78 | |
e1151715 | 79 | integer = g_new(struct definition_integer, 1); |
f6625916 MD |
80 | declaration_ref(&integer_declaration->p); |
81 | integer->p.declaration = declaration; | |
82 | integer->declaration = integer_declaration; | |
c054553d | 83 | integer->p.ref = 1; |
98df1c9f MD |
84 | /* |
85 | * Use INT_MAX order to ensure that all fields of the parent | |
86 | * scope are seen as being prior to this scope. | |
87 | */ | |
88 | integer->p.index = root_name ? INT_MAX : index; | |
b1a2f580 | 89 | integer->p.name = field_name; |
98df1c9f MD |
90 | integer->p.path = new_definition_path(parent_scope, field_name, |
91 | root_name); | |
a35173fe | 92 | integer->p.scope = NULL; |
c054553d | 93 | integer->value._unsigned = 0; |
98df1c9f MD |
94 | ret = register_field_definition(field_name, &integer->p, |
95 | parent_scope); | |
96 | assert(!ret); | |
c054553d MD |
97 | return &integer->p; |
98 | } | |
99 | ||
100 | static | |
e1151715 | 101 | void _integer_definition_free(struct definition *definition) |
c054553d | 102 | { |
e1151715 MD |
103 | struct definition_integer *integer = |
104 | container_of(definition, struct definition_integer, p); | |
c054553d | 105 | |
f6625916 | 106 | declaration_unref(integer->p.declaration); |
c054553d MD |
107 | g_free(integer); |
108 | } | |
343c801f JD |
109 | |
110 | uint64_t get_unsigned_int(struct definition *field) | |
111 | { | |
112 | struct definition_integer *integer_definition; | |
113 | const struct declaration_integer *integer_declaration; | |
114 | ||
115 | integer_definition = container_of(field, struct definition_integer, p); | |
116 | integer_declaration = integer_definition->declaration; | |
117 | ||
118 | if (!integer_declaration->signedness) { | |
119 | return integer_definition->value._unsigned; | |
120 | } | |
121 | fprintf(stderr, "[warning] Extracting unsigned value in a signed int\n"); | |
122 | return (uint64_t)integer_definition->value._signed; | |
123 | } | |
124 | ||
125 | int64_t get_signed_int(struct definition *field) | |
126 | { | |
127 | struct definition_integer *integer_definition; | |
128 | const struct declaration_integer *integer_declaration; | |
129 | ||
130 | integer_definition = container_of(field, struct definition_integer, p); | |
131 | integer_declaration = integer_definition->declaration; | |
132 | ||
133 | if (integer_declaration->signedness) { | |
134 | return integer_definition->value._signed; | |
135 | } | |
136 | fprintf(stderr, "[warning] Extracting signed value in an unsigned int\n"); | |
137 | return (int64_t)integer_definition->value._unsigned; | |
138 | } |