Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include <stdlib.h> |
| 29 | |
| 30 | #include "src/v8.h" |
| 31 | |
| 32 | #include "src/base/platform/platform.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 33 | #include "src/base/utils/random-number-generator.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 34 | #include "src/disassembler.h" |
| 35 | #include "src/factory.h" |
| 36 | #include "src/macro-assembler.h" |
| 37 | #include "src/ostreams.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 38 | #include "test/cctest/cctest.h" |
| 39 | |
| 40 | using namespace v8::internal; |
| 41 | |
| 42 | |
| 43 | typedef int (*F0)(); |
| 44 | typedef int (*F1)(int x); |
| 45 | typedef int (*F2)(int x, int y); |
| 46 | |
| 47 | |
| 48 | #define __ assm. |
| 49 | |
| 50 | TEST(AssemblerIa320) { |
| 51 | CcTest::InitializeVM(); |
| 52 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 53 | HandleScope scope(isolate); |
| 54 | |
| 55 | v8::internal::byte buffer[256]; |
| 56 | Assembler assm(isolate, buffer, sizeof buffer); |
| 57 | |
| 58 | __ mov(eax, Operand(esp, 4)); |
| 59 | __ add(eax, Operand(esp, 8)); |
| 60 | __ ret(0); |
| 61 | |
| 62 | CodeDesc desc; |
| 63 | assm.GetCode(&desc); |
| 64 | Handle<Code> code = isolate->factory()->NewCode( |
| 65 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 66 | #ifdef OBJECT_PRINT |
| 67 | OFStream os(stdout); |
| 68 | code->Print(os); |
| 69 | #endif |
| 70 | F2 f = FUNCTION_CAST<F2>(code->entry()); |
| 71 | int res = f(3, 4); |
| 72 | ::printf("f() = %d\n", res); |
| 73 | CHECK_EQ(7, res); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | TEST(AssemblerIa321) { |
| 78 | CcTest::InitializeVM(); |
| 79 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 80 | HandleScope scope(isolate); |
| 81 | |
| 82 | v8::internal::byte buffer[256]; |
| 83 | Assembler assm(isolate, buffer, sizeof buffer); |
| 84 | Label L, C; |
| 85 | |
| 86 | __ mov(edx, Operand(esp, 4)); |
| 87 | __ xor_(eax, eax); // clear eax |
| 88 | __ jmp(&C); |
| 89 | |
| 90 | __ bind(&L); |
| 91 | __ add(eax, edx); |
| 92 | __ sub(edx, Immediate(1)); |
| 93 | |
| 94 | __ bind(&C); |
| 95 | __ test(edx, edx); |
| 96 | __ j(not_zero, &L); |
| 97 | __ ret(0); |
| 98 | |
| 99 | CodeDesc desc; |
| 100 | assm.GetCode(&desc); |
| 101 | Handle<Code> code = isolate->factory()->NewCode( |
| 102 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 103 | #ifdef OBJECT_PRINT |
| 104 | OFStream os(stdout); |
| 105 | code->Print(os); |
| 106 | #endif |
| 107 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 108 | int res = f(100); |
| 109 | ::printf("f() = %d\n", res); |
| 110 | CHECK_EQ(5050, res); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | TEST(AssemblerIa322) { |
| 115 | CcTest::InitializeVM(); |
| 116 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 117 | HandleScope scope(isolate); |
| 118 | |
| 119 | v8::internal::byte buffer[256]; |
| 120 | Assembler assm(isolate, buffer, sizeof buffer); |
| 121 | Label L, C; |
| 122 | |
| 123 | __ mov(edx, Operand(esp, 4)); |
| 124 | __ mov(eax, 1); |
| 125 | __ jmp(&C); |
| 126 | |
| 127 | __ bind(&L); |
| 128 | __ imul(eax, edx); |
| 129 | __ sub(edx, Immediate(1)); |
| 130 | |
| 131 | __ bind(&C); |
| 132 | __ test(edx, edx); |
| 133 | __ j(not_zero, &L); |
| 134 | __ ret(0); |
| 135 | |
| 136 | // some relocated stuff here, not executed |
| 137 | __ mov(eax, isolate->factory()->true_value()); |
| 138 | __ jmp(NULL, RelocInfo::RUNTIME_ENTRY); |
| 139 | |
| 140 | CodeDesc desc; |
| 141 | assm.GetCode(&desc); |
| 142 | Handle<Code> code = isolate->factory()->NewCode( |
| 143 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 144 | #ifdef OBJECT_PRINT |
| 145 | OFStream os(stdout); |
| 146 | code->Print(os); |
| 147 | #endif |
| 148 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 149 | int res = f(10); |
| 150 | ::printf("f() = %d\n", res); |
| 151 | CHECK_EQ(3628800, res); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | typedef int (*F3)(float x); |
| 156 | |
| 157 | typedef int (*F4)(double x); |
| 158 | |
| 159 | static int baz = 42; |
| 160 | TEST(AssemblerIa325) { |
| 161 | CcTest::InitializeVM(); |
| 162 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 163 | HandleScope scope(isolate); |
| 164 | |
| 165 | v8::internal::byte buffer[256]; |
| 166 | Assembler assm(isolate, buffer, sizeof buffer); |
| 167 | |
| 168 | __ mov(eax, Operand(reinterpret_cast<intptr_t>(&baz), RelocInfo::NONE32)); |
| 169 | __ ret(0); |
| 170 | |
| 171 | CodeDesc desc; |
| 172 | assm.GetCode(&desc); |
| 173 | Handle<Code> code = isolate->factory()->NewCode( |
| 174 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 175 | F0 f = FUNCTION_CAST<F0>(code->entry()); |
| 176 | int res = f(); |
| 177 | CHECK_EQ(42, res); |
| 178 | } |
| 179 | |
| 180 | |
| 181 | typedef int (*F7)(double x, double y); |
| 182 | |
| 183 | TEST(AssemblerIa329) { |
| 184 | CcTest::InitializeVM(); |
| 185 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 186 | HandleScope scope(isolate); |
| 187 | v8::internal::byte buffer[256]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 188 | MacroAssembler assm(isolate, buffer, sizeof(buffer), |
| 189 | v8::internal::CodeObjectRequired::kYes); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 190 | enum { kEqual = 0, kGreater = 1, kLess = 2, kNaN = 3, kUndefined = 4 }; |
| 191 | Label equal_l, less_l, greater_l, nan_l; |
| 192 | __ fld_d(Operand(esp, 3 * kPointerSize)); |
| 193 | __ fld_d(Operand(esp, 1 * kPointerSize)); |
| 194 | __ FCmp(); |
| 195 | __ j(parity_even, &nan_l); |
| 196 | __ j(equal, &equal_l); |
| 197 | __ j(below, &less_l); |
| 198 | __ j(above, &greater_l); |
| 199 | |
| 200 | __ mov(eax, kUndefined); |
| 201 | __ ret(0); |
| 202 | |
| 203 | __ bind(&equal_l); |
| 204 | __ mov(eax, kEqual); |
| 205 | __ ret(0); |
| 206 | |
| 207 | __ bind(&greater_l); |
| 208 | __ mov(eax, kGreater); |
| 209 | __ ret(0); |
| 210 | |
| 211 | __ bind(&less_l); |
| 212 | __ mov(eax, kLess); |
| 213 | __ ret(0); |
| 214 | |
| 215 | __ bind(&nan_l); |
| 216 | __ mov(eax, kNaN); |
| 217 | __ ret(0); |
| 218 | |
| 219 | |
| 220 | CodeDesc desc; |
| 221 | assm.GetCode(&desc); |
| 222 | Handle<Code> code = isolate->factory()->NewCode( |
| 223 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 224 | #ifdef OBJECT_PRINT |
| 225 | OFStream os(stdout); |
| 226 | code->Print(os); |
| 227 | #endif |
| 228 | |
| 229 | F7 f = FUNCTION_CAST<F7>(code->entry()); |
| 230 | CHECK_EQ(kLess, f(1.1, 2.2)); |
| 231 | CHECK_EQ(kEqual, f(2.2, 2.2)); |
| 232 | CHECK_EQ(kGreater, f(3.3, 2.2)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 233 | CHECK_EQ(kNaN, f(std::numeric_limits<double>::quiet_NaN(), 1.1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | |
| 237 | TEST(AssemblerIa3210) { |
| 238 | // Test chaining of label usages within instructions (issue 1644). |
| 239 | CcTest::InitializeVM(); |
| 240 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 241 | HandleScope scope(isolate); |
| 242 | Assembler assm(isolate, NULL, 0); |
| 243 | |
| 244 | Label target; |
| 245 | __ j(equal, &target); |
| 246 | __ j(not_equal, &target); |
| 247 | __ bind(&target); |
| 248 | __ nop(); |
| 249 | } |
| 250 | |
| 251 | |
| 252 | TEST(AssemblerMultiByteNop) { |
| 253 | CcTest::InitializeVM(); |
| 254 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 255 | HandleScope scope(isolate); |
| 256 | v8::internal::byte buffer[1024]; |
| 257 | Assembler assm(isolate, buffer, sizeof(buffer)); |
| 258 | __ push(ebx); |
| 259 | __ push(ecx); |
| 260 | __ push(edx); |
| 261 | __ push(edi); |
| 262 | __ push(esi); |
| 263 | __ mov(eax, 1); |
| 264 | __ mov(ebx, 2); |
| 265 | __ mov(ecx, 3); |
| 266 | __ mov(edx, 4); |
| 267 | __ mov(edi, 5); |
| 268 | __ mov(esi, 6); |
| 269 | for (int i = 0; i < 16; i++) { |
| 270 | int before = assm.pc_offset(); |
| 271 | __ Nop(i); |
| 272 | CHECK_EQ(assm.pc_offset() - before, i); |
| 273 | } |
| 274 | |
| 275 | Label fail; |
| 276 | __ cmp(eax, 1); |
| 277 | __ j(not_equal, &fail); |
| 278 | __ cmp(ebx, 2); |
| 279 | __ j(not_equal, &fail); |
| 280 | __ cmp(ecx, 3); |
| 281 | __ j(not_equal, &fail); |
| 282 | __ cmp(edx, 4); |
| 283 | __ j(not_equal, &fail); |
| 284 | __ cmp(edi, 5); |
| 285 | __ j(not_equal, &fail); |
| 286 | __ cmp(esi, 6); |
| 287 | __ j(not_equal, &fail); |
| 288 | __ mov(eax, 42); |
| 289 | __ pop(esi); |
| 290 | __ pop(edi); |
| 291 | __ pop(edx); |
| 292 | __ pop(ecx); |
| 293 | __ pop(ebx); |
| 294 | __ ret(0); |
| 295 | __ bind(&fail); |
| 296 | __ mov(eax, 13); |
| 297 | __ pop(esi); |
| 298 | __ pop(edi); |
| 299 | __ pop(edx); |
| 300 | __ pop(ecx); |
| 301 | __ pop(ebx); |
| 302 | __ ret(0); |
| 303 | |
| 304 | CodeDesc desc; |
| 305 | assm.GetCode(&desc); |
| 306 | Handle<Code> code = isolate->factory()->NewCode( |
| 307 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 308 | CHECK(code->IsCode()); |
| 309 | |
| 310 | F0 f = FUNCTION_CAST<F0>(code->entry()); |
| 311 | int res = f(); |
| 312 | CHECK_EQ(42, res); |
| 313 | } |
| 314 | |
| 315 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 316 | TEST(AssemblerIa32JumpTables1) { |
| 317 | // Test jump tables with forward jumps. |
| 318 | CcTest::InitializeVM(); |
| 319 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 320 | HandleScope scope(isolate); |
| 321 | Assembler assm(isolate, nullptr, 0); |
| 322 | |
| 323 | const int kNumCases = 512; |
| 324 | int values[kNumCases]; |
| 325 | isolate->random_number_generator()->NextBytes(values, sizeof(values)); |
| 326 | Label labels[kNumCases]; |
| 327 | |
| 328 | Label done, table; |
| 329 | __ mov(eax, Operand(esp, 4)); |
| 330 | __ jmp(Operand::JumpTable(eax, times_4, &table)); |
| 331 | __ ud2(); |
| 332 | __ bind(&table); |
| 333 | for (int i = 0; i < kNumCases; ++i) { |
| 334 | __ dd(&labels[i]); |
| 335 | } |
| 336 | |
| 337 | for (int i = 0; i < kNumCases; ++i) { |
| 338 | __ bind(&labels[i]); |
| 339 | __ mov(eax, Immediate(values[i])); |
| 340 | __ jmp(&done); |
| 341 | } |
| 342 | |
| 343 | __ bind(&done); |
| 344 | __ ret(0); |
| 345 | |
| 346 | CodeDesc desc; |
| 347 | assm.GetCode(&desc); |
| 348 | Handle<Code> code = isolate->factory()->NewCode( |
| 349 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 350 | #ifdef OBJECT_PRINT |
| 351 | OFStream os(stdout); |
| 352 | code->Print(os); |
| 353 | #endif |
| 354 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 355 | for (int i = 0; i < kNumCases; ++i) { |
| 356 | int res = f(i); |
| 357 | ::printf("f(%d) = %d\n", i, res); |
| 358 | CHECK_EQ(values[i], res); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | |
| 363 | TEST(AssemblerIa32JumpTables2) { |
| 364 | // Test jump tables with backward jumps. |
| 365 | CcTest::InitializeVM(); |
| 366 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
| 367 | HandleScope scope(isolate); |
| 368 | Assembler assm(isolate, nullptr, 0); |
| 369 | |
| 370 | const int kNumCases = 512; |
| 371 | int values[kNumCases]; |
| 372 | isolate->random_number_generator()->NextBytes(values, sizeof(values)); |
| 373 | Label labels[kNumCases]; |
| 374 | |
| 375 | Label done, table; |
| 376 | __ mov(eax, Operand(esp, 4)); |
| 377 | __ jmp(Operand::JumpTable(eax, times_4, &table)); |
| 378 | __ ud2(); |
| 379 | |
| 380 | for (int i = 0; i < kNumCases; ++i) { |
| 381 | __ bind(&labels[i]); |
| 382 | __ mov(eax, Immediate(values[i])); |
| 383 | __ jmp(&done); |
| 384 | } |
| 385 | |
| 386 | __ bind(&table); |
| 387 | for (int i = 0; i < kNumCases; ++i) { |
| 388 | __ dd(&labels[i]); |
| 389 | } |
| 390 | |
| 391 | __ bind(&done); |
| 392 | __ ret(0); |
| 393 | |
| 394 | CodeDesc desc; |
| 395 | assm.GetCode(&desc); |
| 396 | Handle<Code> code = isolate->factory()->NewCode( |
| 397 | desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| 398 | #ifdef OBJECT_PRINT |
| 399 | OFStream os(stdout); |
| 400 | code->Print(os); |
| 401 | #endif |
| 402 | F1 f = FUNCTION_CAST<F1>(code->entry()); |
| 403 | for (int i = 0; i < kNumCases; ++i) { |
| 404 | int res = f(i); |
| 405 | ::printf("f(%d) = %d\n", i, res); |
| 406 | CHECK_EQ(values[i], res); |
| 407 | } |
| 408 | } |
| 409 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 410 | #undef __ |