Commit | Line | Data |
---|---|---|
1ae19169 MD |
1 | /* |
2 | * Common Trace Format | |
3 | * | |
4 | * Integers read/write functions. | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
1ae19169 MD |
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. | |
c462e188 MD |
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. | |
1ae19169 MD |
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> |
2748fb3b | 34 | #include <babeltrace/trace-debug-info.h> |
1ae19169 | 35 | |
0d69b916 | 36 | int ctf_text_integer_write(struct bt_stream_pos *ppos, struct bt_definition *definition) |
1ae19169 MD |
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 | ||
d335f0f7 MD |
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, " "); |
31262354 MD |
53 | if (pos->print_names) |
54 | fprintf(pos->fp, "%s = ", | |
6743f229 | 55 | rem_(g_quark_to_string(definition->name))); |
31262354 | 56 | |
720d3e65 MD |
57 | if (pos->string |
58 | && (integer_declaration->encoding == CTF_STRING_ASCII | |
59 | || integer_declaration->encoding == CTF_STRING_UTF8)) { | |
81dee1bb MD |
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) { |
4d5fc303 MD |
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; | |
164078da MD |
82 | case 2: |
83 | { | |
84 | int bitnr; | |
4d5fc303 MD |
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"); |
4d5fc303 MD |
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); | |
164078da MD |
97 | } |
98 | break; | |
99 | } | |
100 | case 8: | |
4d5fc303 MD |
101 | { |
102 | uint64_t v; | |
103 | ||
943362e3 | 104 | if (!integer_declaration->signedness) { |
4d5fc303 | 105 | v = integer_definition->value._unsigned; |
943362e3 | 106 | } else { |
4d5fc303 | 107 | v = (uint64_t) integer_definition->value._signed; |
943362e3 | 108 | if (integer_declaration->len < 64) { |
81126c2a JG |
109 | size_t len = integer_declaration->len; |
110 | size_t rounded_len; | |
943362e3 | 111 | |
81126c2a JG |
112 | assert(len != 0); |
113 | /* Round length to the nearest 3-bit */ | |
114 | rounded_len = (((len - 1) / 3) + 1) * 3; | |
943362e3 MD |
115 | v &= ((uint64_t) 1 << rounded_len) - 1; |
116 | } | |
117 | } | |
4d5fc303 | 118 | |
5c551b40 | 119 | fprintf(pos->fp, "0%" PRIo64, v); |
164078da | 120 | break; |
4d5fc303 | 121 | } |
164078da | 122 | case 16: |
4d5fc303 MD |
123 | { |
124 | uint64_t v; | |
125 | ||
43944bee | 126 | if (!integer_declaration->signedness) { |
4d5fc303 | 127 | v = integer_definition->value._unsigned; |
43944bee | 128 | } else { |
4d5fc303 | 129 | v = (uint64_t) integer_definition->value._signed; |
943362e3 MD |
130 | if (integer_declaration->len < 64) { |
131 | /* Round length to the nearest nibble */ | |
132 | uint8_t rounded_len = | |
133 | ((integer_declaration->len + 3) & ~0x3); | |
134 | ||
135 | v &= ((uint64_t) 1 << rounded_len) - 1; | |
136 | } | |
43944bee | 137 | } |
4d5fc303 | 138 | |
5c551b40 | 139 | fprintf(pos->fp, "0x%" PRIX64, v); |
164078da | 140 | break; |
4d5fc303 | 141 | } |
164078da MD |
142 | default: |
143 | return -EINVAL; | |
1ae19169 | 144 | } |
164078da | 145 | |
c40a57e5 AB |
146 | ctf_text_integer_write_debug_info(ppos, definition); |
147 | ||
c5e74408 | 148 | return 0; |
1ae19169 | 149 | } |