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 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 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 88 static struct ptunit_result decoder_fini_null(void) 89 { 90 pt_pkt_decoder_fini(NULL); 91 92 return ptu_passed(); 93 } 94 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 } 104 105 static struct ptunit_result free_decoder_null(void) 106 { 107 pt_pkt_free_decoder(NULL); 108 109 return ptu_passed(); 110 } 111 112 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 } 121 122 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 } 131 132 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 } 141 142 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 } 151 152 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 } 166 167 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 } 177 178 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 } 192 193 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 } 207 208 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 } 217 218 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 } 227 228 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 } 242 243 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