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> |
fc93b2bd MD |
24 | #include <stdint.h> |
25 | ||
c054553d | 26 | static |
f6625916 | 27 | struct definition *_integer_definition_new(struct declaration *declaration, |
05c749e5 | 28 | struct definition_scope *parent_scope, |
98df1c9f MD |
29 | GQuark field_name, int index, |
30 | const char *root_name); | |
c054553d | 31 | static |
e1151715 | 32 | void _integer_definition_free(struct definition *definition); |
c054553d | 33 | |
c054553d | 34 | static |
f6625916 | 35 | void _integer_declaration_free(struct declaration *declaration) |
90b676d7 | 36 | { |
f6625916 MD |
37 | struct declaration_integer *integer_declaration = |
38 | container_of(declaration, struct declaration_integer, p); | |
39 | g_free(integer_declaration); | |
90b676d7 MD |
40 | } |
41 | ||
f6625916 | 42 | struct declaration_integer * |
add40b62 | 43 | integer_declaration_new(size_t len, int byte_order, |
81dee1bb | 44 | int signedness, size_t alignment, int base, |
56e60373 MD |
45 | enum ctf_string_encoding encoding, |
46 | struct ctf_clock *clock) | |
698f0fe4 | 47 | { |
f6625916 | 48 | struct declaration_integer *integer_declaration; |
698f0fe4 | 49 | |
f6625916 MD |
50 | integer_declaration = g_new(struct declaration_integer, 1); |
51 | integer_declaration->p.id = CTF_TYPE_INTEGER; | |
f6625916 | 52 | integer_declaration->p.alignment = alignment; |
f6625916 MD |
53 | integer_declaration->p.declaration_free = _integer_declaration_free; |
54 | integer_declaration->p.definition_free = _integer_definition_free; | |
55 | integer_declaration->p.definition_new = _integer_definition_new; | |
56 | integer_declaration->p.ref = 1; | |
57 | integer_declaration->len = len; | |
58 | integer_declaration->byte_order = byte_order; | |
59 | integer_declaration->signedness = signedness; | |
164078da | 60 | integer_declaration->base = base; |
81dee1bb | 61 | integer_declaration->encoding = encoding; |
56e60373 | 62 | integer_declaration->clock = clock; |
f6625916 | 63 | return integer_declaration; |
698f0fe4 | 64 | } |
c054553d MD |
65 | |
66 | static | |
e1151715 | 67 | struct definition * |
f6625916 | 68 | _integer_definition_new(struct declaration *declaration, |
05c749e5 | 69 | struct definition_scope *parent_scope, |
98df1c9f MD |
70 | GQuark field_name, int index, |
71 | const char *root_name) | |
c054553d | 72 | { |
f6625916 MD |
73 | struct declaration_integer *integer_declaration = |
74 | container_of(declaration, struct declaration_integer, p); | |
e1151715 | 75 | struct definition_integer *integer; |
98df1c9f | 76 | int ret; |
c054553d | 77 | |
e1151715 | 78 | integer = g_new(struct definition_integer, 1); |
f6625916 MD |
79 | declaration_ref(&integer_declaration->p); |
80 | integer->p.declaration = declaration; | |
81 | integer->declaration = integer_declaration; | |
c054553d | 82 | integer->p.ref = 1; |
98df1c9f MD |
83 | /* |
84 | * Use INT_MAX order to ensure that all fields of the parent | |
85 | * scope are seen as being prior to this scope. | |
86 | */ | |
87 | integer->p.index = root_name ? INT_MAX : index; | |
b1a2f580 | 88 | integer->p.name = field_name; |
98df1c9f MD |
89 | integer->p.path = new_definition_path(parent_scope, field_name, |
90 | root_name); | |
a35173fe | 91 | integer->p.scope = NULL; |
c054553d | 92 | integer->value._unsigned = 0; |
98df1c9f MD |
93 | ret = register_field_definition(field_name, &integer->p, |
94 | parent_scope); | |
95 | assert(!ret); | |
c054553d MD |
96 | return &integer->p; |
97 | } | |
98 | ||
99 | static | |
e1151715 | 100 | void _integer_definition_free(struct definition *definition) |
c054553d | 101 | { |
e1151715 MD |
102 | struct definition_integer *integer = |
103 | container_of(definition, struct definition_integer, p); | |
c054553d | 104 | |
f6625916 | 105 | declaration_unref(integer->p.declaration); |
c054553d MD |
106 | g_free(integer); |
107 | } | |
343c801f JD |
108 | |
109 | uint64_t get_unsigned_int(struct definition *field) | |
110 | { | |
111 | struct definition_integer *integer_definition; | |
112 | const struct declaration_integer *integer_declaration; | |
113 | ||
114 | integer_definition = container_of(field, struct definition_integer, p); | |
115 | integer_declaration = integer_definition->declaration; | |
116 | ||
117 | if (!integer_declaration->signedness) { | |
118 | return integer_definition->value._unsigned; | |
119 | } | |
120 | fprintf(stderr, "[warning] Extracting unsigned value in a signed int\n"); | |
121 | return (uint64_t)integer_definition->value._signed; | |
122 | } | |
123 | ||
124 | int64_t get_signed_int(struct definition *field) | |
125 | { | |
126 | struct definition_integer *integer_definition; | |
127 | const struct declaration_integer *integer_declaration; | |
128 | ||
129 | integer_definition = container_of(field, struct definition_integer, p); | |
130 | integer_declaration = integer_definition->declaration; | |
131 | ||
132 | if (integer_declaration->signedness) { | |
133 | return integer_definition->value._signed; | |
134 | } | |
135 | fprintf(stderr, "[warning] Extracting signed value in an unsigned int\n"); | |
136 | return (int64_t)integer_definition->value._unsigned; | |
137 | } |