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| 1 // Copyright 2014 The Crashpad Authors. All rights reserved. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 | |
| 15 #include "snapshot/cpu_context_mac.h" | |
| 16 | |
| 17 #include <mach/mach.h> | |
| 18 | |
| 19 #include "gtest/gtest.h" | |
| 20 | |
| 21 namespace crashpad { | |
| 22 namespace test { | |
| 23 namespace { | |
| 24 | |
| 25 #if defined(ARCH_CPU_X86_FAMILY) | |
| 26 | |
| 27 TEST(CPUContextMac, InitializeContextX86) { | |
| 28 x86_thread_state32_t x86_thread_state32 = {}; | |
| 29 x86_float_state32_t x86_float_state32 = {}; | |
| 30 x86_debug_state32_t x86_debug_state32 = {}; | |
| 31 x86_thread_state32.__eax = 1; | |
| 32 x86_float_state32.__fpu_ftw = 2; | |
| 33 x86_debug_state32.__dr0 = 3; | |
| 34 | |
| 35 // Test the simple case, where everything in the CPUContextX86 argument is set | |
| 36 // directly from the supplied thread, float, and debug state parameters. | |
| 37 { | |
| 38 CPUContextX86 cpu_context_x86 = {}; | |
| 39 internal::InitializeCPUContextX86(&cpu_context_x86, | |
| 40 THREAD_STATE_NONE, | |
| 41 nullptr, | |
| 42 0, | |
| 43 &x86_thread_state32, | |
| 44 &x86_float_state32, | |
| 45 &x86_debug_state32); | |
| 46 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 47 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 48 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 49 } | |
| 50 | |
| 51 // Supply context in a CPU-specific “flavor” parameter expected to be used | |
| 52 // instead of the supplied thread, float, or debug state parameters. Do this | |
| 53 // once for each of the three valid flavors. This simulates how | |
| 54 // InitializeCPUContextX86() might be used to initialize the context in an | |
| 55 // exception handler, where the exception handler may have received the | |
| 56 // “flavor” parameter and this context should be used to initialize the | |
| 57 // CPUContextX86. | |
| 58 | |
| 59 { | |
| 60 x86_thread_state32_t alt_x86_thread_state32 = {}; | |
| 61 alt_x86_thread_state32.__eax = 4; | |
| 62 | |
| 63 CPUContextX86 cpu_context_x86 = {}; | |
| 64 internal::InitializeCPUContextX86( | |
| 65 &cpu_context_x86, | |
| 66 x86_THREAD_STATE32, | |
| 67 reinterpret_cast<natural_t*>(&alt_x86_thread_state32), | |
| 68 x86_THREAD_STATE32_COUNT, | |
| 69 &x86_thread_state32, | |
| 70 &x86_float_state32, | |
| 71 &x86_debug_state32); | |
| 72 EXPECT_EQ(4u, cpu_context_x86.eax); | |
| 73 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 74 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 75 } | |
| 76 | |
| 77 { | |
| 78 x86_float_state32_t alt_x86_float_state32 = {}; | |
| 79 alt_x86_float_state32.__fpu_ftw = 5; | |
| 80 | |
| 81 CPUContextX86 cpu_context_x86 = {}; | |
| 82 internal::InitializeCPUContextX86( | |
| 83 &cpu_context_x86, | |
| 84 x86_FLOAT_STATE32, | |
| 85 reinterpret_cast<natural_t*>(&alt_x86_float_state32), | |
| 86 x86_FLOAT_STATE32_COUNT, | |
| 87 &x86_thread_state32, | |
| 88 &x86_float_state32, | |
| 89 &x86_debug_state32); | |
| 90 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 91 EXPECT_EQ(5u, cpu_context_x86.fxsave.ftw); | |
| 92 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 93 } | |
| 94 | |
| 95 { | |
| 96 x86_debug_state32_t alt_x86_debug_state32 = {}; | |
| 97 alt_x86_debug_state32.__dr0 = 6; | |
| 98 | |
| 99 CPUContextX86 cpu_context_x86 = {}; | |
| 100 internal::InitializeCPUContextX86( | |
| 101 &cpu_context_x86, | |
| 102 x86_DEBUG_STATE32, | |
| 103 reinterpret_cast<natural_t*>(&alt_x86_debug_state32), | |
| 104 x86_DEBUG_STATE32_COUNT, | |
| 105 &x86_thread_state32, | |
| 106 &x86_float_state32, | |
| 107 &x86_debug_state32); | |
| 108 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 109 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 110 EXPECT_EQ(6u, cpu_context_x86.dr0); | |
| 111 } | |
| 112 | |
| 113 // Supply context in a universal “flavor” parameter expected to be used | |
| 114 // instead of the supplied thread, float, or debug state parameters. The | |
| 115 // universal format allows an exception handler to be registered to receive | |
| 116 // thread, float, or debug state without having to know in advance whether it | |
| 117 // will be receiving the state from a 32-bit or 64-bit process. For | |
| 118 // CPUContextX86, only the 32-bit form is supported. | |
| 119 | |
| 120 { | |
| 121 x86_thread_state x86_thread_state_3264 = {}; | |
| 122 x86_thread_state_3264.tsh.flavor = x86_THREAD_STATE32; | |
| 123 x86_thread_state_3264.tsh.count = x86_THREAD_STATE32_COUNT; | |
| 124 x86_thread_state_3264.uts.ts32.__eax = 7; | |
| 125 | |
| 126 CPUContextX86 cpu_context_x86 = {}; | |
| 127 internal::InitializeCPUContextX86( | |
| 128 &cpu_context_x86, | |
| 129 x86_THREAD_STATE, | |
| 130 reinterpret_cast<natural_t*>(&x86_thread_state_3264), | |
| 131 x86_THREAD_STATE_COUNT, | |
| 132 &x86_thread_state32, | |
| 133 &x86_float_state32, | |
| 134 &x86_debug_state32); | |
| 135 EXPECT_EQ(7u, cpu_context_x86.eax); | |
| 136 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 137 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 138 } | |
| 139 | |
| 140 { | |
| 141 x86_float_state x86_float_state_3264 = {}; | |
| 142 x86_float_state_3264.fsh.flavor = x86_FLOAT_STATE32; | |
| 143 x86_float_state_3264.fsh.count = x86_FLOAT_STATE32_COUNT; | |
| 144 x86_float_state_3264.ufs.fs32.__fpu_ftw = 8; | |
| 145 | |
| 146 CPUContextX86 cpu_context_x86 = {}; | |
| 147 internal::InitializeCPUContextX86( | |
| 148 &cpu_context_x86, | |
| 149 x86_FLOAT_STATE, | |
| 150 reinterpret_cast<natural_t*>(&x86_float_state_3264), | |
| 151 x86_FLOAT_STATE_COUNT, | |
| 152 &x86_thread_state32, | |
| 153 &x86_float_state32, | |
| 154 &x86_debug_state32); | |
| 155 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 156 EXPECT_EQ(8u, cpu_context_x86.fxsave.ftw); | |
| 157 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 158 } | |
| 159 | |
| 160 { | |
| 161 x86_debug_state x86_debug_state_3264 = {}; | |
| 162 x86_debug_state_3264.dsh.flavor = x86_DEBUG_STATE32; | |
| 163 x86_debug_state_3264.dsh.count = x86_DEBUG_STATE32_COUNT; | |
| 164 x86_debug_state_3264.uds.ds32.__dr0 = 9; | |
| 165 | |
| 166 CPUContextX86 cpu_context_x86 = {}; | |
| 167 internal::InitializeCPUContextX86( | |
| 168 &cpu_context_x86, | |
| 169 x86_DEBUG_STATE, | |
| 170 reinterpret_cast<natural_t*>(&x86_debug_state_3264), | |
| 171 x86_DEBUG_STATE_COUNT, | |
| 172 &x86_thread_state32, | |
| 173 &x86_float_state32, | |
| 174 &x86_debug_state32); | |
| 175 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 176 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 177 EXPECT_EQ(9u, cpu_context_x86.dr0); | |
| 178 } | |
| 179 | |
| 180 // Supply inappropriate “flavor” contexts to test that | |
| 181 // InitializeCPUContextX86() detects the problem and refuses to use the | |
| 182 // supplied “flavor” context, falling back to the thread, float, and debug | |
| 183 // states. | |
| 184 | |
| 185 { | |
| 186 x86_thread_state64_t x86_thread_state64 = {}; | |
| 187 | |
| 188 CPUContextX86 cpu_context_x86 = {}; | |
| 189 internal::InitializeCPUContextX86( | |
| 190 &cpu_context_x86, | |
| 191 x86_THREAD_STATE64, | |
| 192 reinterpret_cast<natural_t*>(&x86_thread_state64), | |
| 193 x86_THREAD_STATE64_COUNT, | |
| 194 &x86_thread_state32, | |
| 195 &x86_float_state32, | |
| 196 &x86_debug_state32); | |
| 197 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 198 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 199 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 200 } | |
| 201 | |
| 202 { | |
| 203 x86_thread_state x86_thread_state_3264 = {}; | |
| 204 x86_thread_state_3264.tsh.flavor = x86_THREAD_STATE64; | |
| 205 x86_thread_state_3264.tsh.count = x86_THREAD_STATE64_COUNT; | |
| 206 | |
| 207 CPUContextX86 cpu_context_x86 = {}; | |
| 208 internal::InitializeCPUContextX86( | |
| 209 &cpu_context_x86, | |
| 210 x86_THREAD_STATE, | |
| 211 reinterpret_cast<natural_t*>(&x86_thread_state_3264), | |
| 212 x86_THREAD_STATE_COUNT, | |
| 213 &x86_thread_state32, | |
| 214 &x86_float_state32, | |
| 215 &x86_debug_state32); | |
| 216 EXPECT_EQ(1u, cpu_context_x86.eax); | |
| 217 EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); | |
| 218 EXPECT_EQ(3u, cpu_context_x86.dr0); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 TEST(CPUContextMac, InitializeContextX86_64) { | |
| 223 x86_thread_state64_t x86_thread_state64 = {}; | |
| 224 x86_float_state64_t x86_float_state64 = {}; | |
| 225 x86_debug_state64_t x86_debug_state64 = {}; | |
| 226 x86_thread_state64.__rax = 10; | |
| 227 x86_float_state64.__fpu_ftw = 11; | |
| 228 x86_debug_state64.__dr0 = 12; | |
| 229 | |
| 230 // Test the simple case, where everything in the CPUContextX86_64 argument is | |
| 231 // set directly from the supplied thread, float, and debug state parameters. | |
| 232 { | |
| 233 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 234 internal::InitializeCPUContextX86_64(&cpu_context_x86_64, | |
| 235 THREAD_STATE_NONE, | |
| 236 nullptr, | |
| 237 0, | |
| 238 &x86_thread_state64, | |
| 239 &x86_float_state64, | |
| 240 &x86_debug_state64); | |
| 241 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 242 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 243 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 244 } | |
| 245 | |
| 246 // Supply context in a CPU-specific “flavor” parameter expected to be used | |
| 247 // instead of the supplied thread, float, or debug state parameters. Do this | |
| 248 // once for each of the three valid flavors. This simulates how | |
| 249 // InitializeCPUContextX86_64() might be used to initialize the context in an | |
| 250 // exception handler, where the exception handler may have received the | |
| 251 // “flavor” parameter and this context should be used to initialize the | |
| 252 // CPUContextX86_64. | |
| 253 | |
| 254 { | |
| 255 x86_thread_state64_t alt_x86_thread_state64 = {}; | |
| 256 alt_x86_thread_state64.__rax = 13; | |
| 257 | |
| 258 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 259 internal::InitializeCPUContextX86_64( | |
| 260 &cpu_context_x86_64, | |
| 261 x86_THREAD_STATE64, | |
| 262 reinterpret_cast<natural_t*>(&alt_x86_thread_state64), | |
| 263 x86_THREAD_STATE64_COUNT, | |
| 264 &x86_thread_state64, | |
| 265 &x86_float_state64, | |
| 266 &x86_debug_state64); | |
| 267 EXPECT_EQ(13u, cpu_context_x86_64.rax); | |
| 268 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 269 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 270 } | |
| 271 | |
| 272 { | |
| 273 x86_float_state64_t alt_x86_float_state64 = {}; | |
| 274 alt_x86_float_state64.__fpu_ftw = 14; | |
| 275 | |
| 276 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 277 internal::InitializeCPUContextX86_64( | |
| 278 &cpu_context_x86_64, | |
| 279 x86_FLOAT_STATE64, | |
| 280 reinterpret_cast<natural_t*>(&alt_x86_float_state64), | |
| 281 x86_FLOAT_STATE64_COUNT, | |
| 282 &x86_thread_state64, | |
| 283 &x86_float_state64, | |
| 284 &x86_debug_state64); | |
| 285 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 286 EXPECT_EQ(14u, cpu_context_x86_64.fxsave.ftw); | |
| 287 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 288 } | |
| 289 | |
| 290 { | |
| 291 x86_debug_state64_t alt_x86_debug_state64 = {}; | |
| 292 alt_x86_debug_state64.__dr0 = 15; | |
| 293 | |
| 294 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 295 internal::InitializeCPUContextX86_64( | |
| 296 &cpu_context_x86_64, | |
| 297 x86_DEBUG_STATE64, | |
| 298 reinterpret_cast<natural_t*>(&alt_x86_debug_state64), | |
| 299 x86_DEBUG_STATE64_COUNT, | |
| 300 &x86_thread_state64, | |
| 301 &x86_float_state64, | |
| 302 &x86_debug_state64); | |
| 303 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 304 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 305 EXPECT_EQ(15u, cpu_context_x86_64.dr0); | |
| 306 } | |
| 307 | |
| 308 // Supply context in a universal “flavor” parameter expected to be used | |
| 309 // instead of the supplied thread, float, or debug state parameters. The | |
| 310 // universal format allows an exception handler to be registered to receive | |
| 311 // thread, float, or debug state without having to know in advance whether it | |
| 312 // will be receiving the state from a 32-bit or 64-bit process. For | |
| 313 // CPUContextX86_64, only the 64-bit form is supported. | |
| 314 | |
| 315 { | |
| 316 x86_thread_state x86_thread_state_3264 = {}; | |
| 317 x86_thread_state_3264.tsh.flavor = x86_THREAD_STATE64; | |
| 318 x86_thread_state_3264.tsh.count = x86_THREAD_STATE64_COUNT; | |
| 319 x86_thread_state_3264.uts.ts64.__rax = 16; | |
| 320 | |
| 321 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 322 internal::InitializeCPUContextX86_64( | |
| 323 &cpu_context_x86_64, | |
| 324 x86_THREAD_STATE, | |
| 325 reinterpret_cast<natural_t*>(&x86_thread_state_3264), | |
| 326 x86_THREAD_STATE_COUNT, | |
| 327 &x86_thread_state64, | |
| 328 &x86_float_state64, | |
| 329 &x86_debug_state64); | |
| 330 EXPECT_EQ(16u, cpu_context_x86_64.rax); | |
| 331 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 332 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 333 } | |
| 334 | |
| 335 { | |
| 336 x86_float_state x86_float_state_3264 = {}; | |
| 337 x86_float_state_3264.fsh.flavor = x86_FLOAT_STATE64; | |
| 338 x86_float_state_3264.fsh.count = x86_FLOAT_STATE64_COUNT; | |
| 339 x86_float_state_3264.ufs.fs64.__fpu_ftw = 17; | |
| 340 | |
| 341 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 342 internal::InitializeCPUContextX86_64( | |
| 343 &cpu_context_x86_64, | |
| 344 x86_FLOAT_STATE, | |
| 345 reinterpret_cast<natural_t*>(&x86_float_state_3264), | |
| 346 x86_FLOAT_STATE_COUNT, | |
| 347 &x86_thread_state64, | |
| 348 &x86_float_state64, | |
| 349 &x86_debug_state64); | |
| 350 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 351 EXPECT_EQ(17u, cpu_context_x86_64.fxsave.ftw); | |
| 352 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 353 } | |
| 354 | |
| 355 { | |
| 356 x86_debug_state x86_debug_state_3264 = {}; | |
| 357 x86_debug_state_3264.dsh.flavor = x86_DEBUG_STATE64; | |
| 358 x86_debug_state_3264.dsh.count = x86_DEBUG_STATE64_COUNT; | |
| 359 x86_debug_state_3264.uds.ds64.__dr0 = 18; | |
| 360 | |
| 361 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 362 internal::InitializeCPUContextX86_64( | |
| 363 &cpu_context_x86_64, | |
| 364 x86_DEBUG_STATE, | |
| 365 reinterpret_cast<natural_t*>(&x86_debug_state_3264), | |
| 366 x86_DEBUG_STATE_COUNT, | |
| 367 &x86_thread_state64, | |
| 368 &x86_float_state64, | |
| 369 &x86_debug_state64); | |
| 370 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 371 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 372 EXPECT_EQ(18u, cpu_context_x86_64.dr0); | |
| 373 } | |
| 374 | |
| 375 // Supply inappropriate “flavor” contexts to test that | |
| 376 // InitializeCPUContextX86() detects the problem and refuses to use the | |
| 377 // supplied “flavor” context, falling back to the thread, float, and debug | |
| 378 // states. | |
| 379 | |
| 380 { | |
| 381 x86_thread_state32_t x86_thread_state32 = {}; | |
| 382 | |
| 383 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 384 internal::InitializeCPUContextX86_64( | |
| 385 &cpu_context_x86_64, | |
| 386 x86_THREAD_STATE32, | |
| 387 reinterpret_cast<natural_t*>(&x86_thread_state32), | |
| 388 x86_THREAD_STATE32_COUNT, | |
| 389 &x86_thread_state64, | |
| 390 &x86_float_state64, | |
| 391 &x86_debug_state64); | |
| 392 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 393 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 394 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 395 } | |
| 396 | |
| 397 { | |
| 398 x86_thread_state x86_thread_state_3264 = {}; | |
| 399 x86_thread_state_3264.tsh.flavor = x86_THREAD_STATE32; | |
| 400 x86_thread_state_3264.tsh.count = x86_THREAD_STATE32_COUNT; | |
| 401 | |
| 402 CPUContextX86_64 cpu_context_x86_64 = {}; | |
| 403 internal::InitializeCPUContextX86_64( | |
| 404 &cpu_context_x86_64, | |
| 405 x86_THREAD_STATE, | |
| 406 reinterpret_cast<natural_t*>(&x86_thread_state_3264), | |
| 407 x86_THREAD_STATE_COUNT, | |
| 408 &x86_thread_state64, | |
| 409 &x86_float_state64, | |
| 410 &x86_debug_state64); | |
| 411 EXPECT_EQ(10u, cpu_context_x86_64.rax); | |
| 412 EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw); | |
| 413 EXPECT_EQ(12u, cpu_context_x86_64.dr0); | |
| 414 } | |
| 415 } | |
| 416 | |
| 417 #endif | |
| 418 | |
| 419 } // namespace | |
| 420 } // namespace test | |
| 421 } // namespace crashpad | |
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Chromium Code Reviews
Issue 666483002:
Create snapshot/mac and move some files from snapshot and util to there (Closed)
Base URL: https://chromium.googlesource.com/crashpad/crashpad/+/master