1 /*
2 * Copyright (c) 2019, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "ptunit.h"
30
31 #include "pt_packet_decoder.h"
32
33 #include "intel-pt.h"
34
35
36 /* A test fixture providing a decoder operating on a small buffer. */
37 struct test_fixture {
38 /* The packet_decoder. */
39 struct pt_packet_decoder decoder;
40
41 /* The configuration. */
42 struct pt_config config;
43
44 /* The buffer it operates on. */
45 uint8_t buffer[24];
46
47 /* The test fixture initialization and finalization functions. */
48 struct ptunit_result (*init)(struct test_fixture *tfix);
49 struct ptunit_result (*fini)(struct test_fixture *tfix);
50 };
51
tfix_init(struct test_fixture * tfix)52 static struct ptunit_result tfix_init(struct test_fixture *tfix)
53 {
54 struct pt_config *config;
55 uint8_t *buffer;
56 int errcode;
57
58 config = &tfix->config;
59 buffer = tfix->buffer;
60
61 memset(buffer, 0, sizeof(tfix->buffer));
62
63 pt_config_init(config);
64 config->begin = buffer;
65 config->end = buffer + sizeof(tfix->buffer);
66
67 errcode = pt_pkt_decoder_init(&tfix->decoder, config);
68 ptu_int_eq(errcode, 0);
69
70 return ptu_passed();
71 }
72
decoder_init_null(void)73 static struct ptunit_result decoder_init_null(void)
74 {
75 struct pt_packet_decoder decoder;
76 struct pt_config config;
77 int errcode;
78
79 errcode = pt_pkt_decoder_init(NULL, &config);
80 ptu_int_eq(errcode, -pte_invalid);
81
82 errcode = pt_pkt_decoder_init(&decoder, NULL);
83 ptu_int_eq(errcode, -pte_invalid);
84
85 return ptu_passed();
86 }
87
decoder_fini_null(void)88 static struct ptunit_result decoder_fini_null(void)
89 {
90 pt_pkt_decoder_fini(NULL);
91
92 return ptu_passed();
93 }
94
alloc_decoder_null(void)95 static struct ptunit_result alloc_decoder_null(void)
96 {
97 struct pt_packet_decoder *decoder;
98
99 decoder = pt_pkt_alloc_decoder(NULL);
100 ptu_null(decoder);
101
102 return ptu_passed();
103 }
104
free_decoder_null(void)105 static struct ptunit_result free_decoder_null(void)
106 {
107 pt_pkt_free_decoder(NULL);
108
109 return ptu_passed();
110 }
111
sync_forward_null(void)112 static struct ptunit_result sync_forward_null(void)
113 {
114 int errcode;
115
116 errcode = pt_pkt_sync_forward(NULL);
117 ptu_int_eq(errcode, -pte_invalid);
118
119 return ptu_passed();
120 }
121
sync_backward_null(void)122 static struct ptunit_result sync_backward_null(void)
123 {
124 int errcode;
125
126 errcode = pt_pkt_sync_backward(NULL);
127 ptu_int_eq(errcode, -pte_invalid);
128
129 return ptu_passed();
130 }
131
sync_set_null(void)132 static struct ptunit_result sync_set_null(void)
133 {
134 int errcode;
135
136 errcode = pt_pkt_sync_set(NULL, 0ull);
137 ptu_int_eq(errcode, -pte_invalid);
138
139 return ptu_passed();
140 }
141
sync_set_eos(struct test_fixture * tfix)142 static struct ptunit_result sync_set_eos(struct test_fixture *tfix)
143 {
144 int errcode;
145
146 errcode = pt_pkt_sync_set(&tfix->decoder, sizeof(tfix->buffer) + 1);
147 ptu_int_eq(errcode, -pte_eos);
148
149 return ptu_passed();
150 }
151
get_offset_null(void)152 static struct ptunit_result get_offset_null(void)
153 {
154 struct pt_packet_decoder decoder;
155 uint64_t offset;
156 int errcode;
157
158 errcode = pt_pkt_get_offset(NULL, &offset);
159 ptu_int_eq(errcode, -pte_invalid);
160
161 errcode = pt_pkt_get_offset(&decoder, NULL);
162 ptu_int_eq(errcode, -pte_invalid);
163
164 return ptu_passed();
165 }
166
get_offset_init(struct test_fixture * tfix)167 static struct ptunit_result get_offset_init(struct test_fixture *tfix)
168 {
169 uint64_t offset;
170 int errcode;
171
172 errcode = pt_pkt_get_offset(&tfix->decoder, &offset);
173 ptu_int_eq(errcode, -pte_nosync);
174
175 return ptu_passed();
176 }
177
sync_set_get_offset(struct test_fixture * tfix)178 static struct ptunit_result sync_set_get_offset(struct test_fixture *tfix)
179 {
180 uint64_t offset;
181 int errcode;
182
183 errcode = pt_pkt_sync_set(&tfix->decoder, 1ull);
184 ptu_int_eq(errcode, 0);
185
186 errcode = pt_pkt_get_offset(&tfix->decoder, &offset);
187 ptu_int_eq(errcode, 0);
188 ptu_uint_eq(offset, 1ull);
189
190 return ptu_passed();
191 }
192
get_sync_offset_null(void)193 static struct ptunit_result get_sync_offset_null(void)
194 {
195 struct pt_packet_decoder decoder;
196 uint64_t offset;
197 int errcode;
198
199 errcode = pt_pkt_get_sync_offset(NULL, &offset);
200 ptu_int_eq(errcode, -pte_invalid);
201
202 errcode = pt_pkt_get_sync_offset(&decoder, NULL);
203 ptu_int_eq(errcode, -pte_invalid);
204
205 return ptu_passed();
206 }
207
get_config_null(void)208 static struct ptunit_result get_config_null(void)
209 {
210 const struct pt_config *config;
211
212 config = pt_pkt_get_config(NULL);
213 ptu_null(config);
214
215 return ptu_passed();
216 }
217
get_config(struct test_fixture * tfix)218 static struct ptunit_result get_config(struct test_fixture *tfix)
219 {
220 const struct pt_config *config;
221
222 config = pt_pkt_get_config(&tfix->decoder);
223 ptu_ptr(config);
224
225 return ptu_passed();
226 }
227
next_null(void)228 static struct ptunit_result next_null(void)
229 {
230 struct pt_packet_decoder decoder;
231 struct pt_packet packet;
232 int errcode;
233
234 errcode = pt_pkt_next(NULL, &packet, sizeof(packet));
235 ptu_int_eq(errcode, -pte_invalid);
236
237 errcode = pt_pkt_next(&decoder, NULL, sizeof(packet));
238 ptu_int_eq(errcode, -pte_invalid);
239
240 return ptu_passed();
241 }
242
main(int argc,char ** argv)243 int main(int argc, char **argv)
244 {
245 struct test_fixture tfix;
246 struct ptunit_suite suite;
247
248 tfix.init = tfix_init;
249 tfix.fini = NULL;
250
251 suite = ptunit_mk_suite(argc, argv);
252
253 ptu_run(suite, decoder_init_null);
254 ptu_run(suite, decoder_fini_null);
255 ptu_run(suite, alloc_decoder_null);
256 ptu_run(suite, free_decoder_null);
257
258 ptu_run(suite, sync_forward_null);
259 ptu_run(suite, sync_backward_null);
260 ptu_run(suite, sync_set_null);
261 ptu_run_f(suite, sync_set_eos, tfix);
262
263 ptu_run(suite, get_offset_null);
264 ptu_run_f(suite, get_offset_init, tfix);
265 ptu_run_f(suite, sync_set_get_offset, tfix);
266 ptu_run(suite, get_sync_offset_null);
267
268 ptu_run(suite, get_config_null);
269 ptu_run_f(suite, get_config, tfix);
270
271 ptu_run(suite, next_null);
272
273 return ptunit_report(&suite);
274 }
275