Initial implementation of the debuginfo API
[babeltrace.git] / formats / ctf-text / types / integer.c
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1/*
2 * Common Trace Format
3 *
4 * Integers read/write functions.
5 *
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6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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9 *
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:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
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27 */
28
29#include <babeltrace/ctf-text/types.h>
30#include <stdio.h>
31#include <inttypes.h>
32#include <stdint.h>
4d5fc303 33#include <babeltrace/bitfield.h>
b5a8598f 34#include <babeltrace/trace-debuginfo.h>
1ae19169 35
0d69b916 36int ctf_text_integer_write(struct bt_stream_pos *ppos, struct bt_definition *definition)
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37{
38 struct definition_integer *integer_definition =
39 container_of(definition, struct definition_integer, p);
40 const struct declaration_integer *integer_declaration =
41 integer_definition->declaration;
42 struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
43
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44 if (!print_field(definition))
45 return 0;
46
1ae19169 47 if (pos->dummy)
c5e74408 48 return 0;
31262354 49
fd3382e8 50 if (pos->field_nr++ != 0)
31262354 51 fprintf(pos->fp, ",");
fd3382e8 52 fprintf(pos->fp, " ");
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53 if (pos->print_names)
54 fprintf(pos->fp, "%s = ",
6743f229 55 rem_(g_quark_to_string(definition->name)));
31262354 56
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57 if (pos->string
58 && (integer_declaration->encoding == CTF_STRING_ASCII
59 || integer_declaration->encoding == CTF_STRING_UTF8)) {
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60
61 if (!integer_declaration->signedness) {
62 g_string_append_c(pos->string,
63 (int) integer_definition->value._unsigned);
64 } else {
65 g_string_append_c(pos->string,
66 (int) integer_definition->value._signed);
67 }
68 return 0;
69 }
70
164078da 71 switch (integer_declaration->base) {
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72 case 0: /* default */
73 case 10:
74 if (!integer_declaration->signedness) {
75 fprintf(pos->fp, "%" PRIu64,
76 integer_definition->value._unsigned);
77 } else {
78 fprintf(pos->fp, "%" PRId64,
79 integer_definition->value._signed);
80 }
81 break;
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82 case 2:
83 {
84 int bitnr;
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85 uint64_t v;
86
87 if (!integer_declaration->signedness)
88 v = integer_definition->value._unsigned;
89 else
90 v = (uint64_t) integer_definition->value._signed;
31262354 91
db393391 92 fprintf(pos->fp, "0b");
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93 v = _bt_piecewise_lshift(v, 64 - integer_declaration->len);
94 for (bitnr = 0; bitnr < integer_declaration->len; bitnr++) {
95 fprintf(pos->fp, "%u", (v & (1ULL << 63)) ? 1 : 0);
96 v = _bt_piecewise_lshift(v, 1);
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97 }
98 break;
99 }
100 case 8:
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101 {
102 uint64_t v;
103
104 if (!integer_declaration->signedness)
105 v = integer_definition->value._unsigned;
106 else
107 v = (uint64_t) integer_definition->value._signed;
108
5c551b40 109 fprintf(pos->fp, "0%" PRIo64, v);
164078da 110 break;
4d5fc303 111 }
164078da 112 case 16:
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113 {
114 uint64_t v;
115
116 if (!integer_declaration->signedness)
117 v = integer_definition->value._unsigned;
118 else
119 v = (uint64_t) integer_definition->value._signed;
120
5c551b40 121 fprintf(pos->fp, "0x%" PRIX64, v);
164078da 122 break;
4d5fc303 123 }
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124 default:
125 return -EINVAL;
1ae19169 126 }
164078da 127
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128 ctf_text_integer_write_debug_info(ppos, definition);
129
c5e74408 130 return 0;
1ae19169 131}
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