Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame^] | 1 | // Copyright 2006-2008 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 "v8.h" |
| 31 | |
| 32 | #include "disassembler.h" |
| 33 | #include "factory.h" |
| 34 | #include "macro-assembler.h" |
| 35 | #include "platform.h" |
| 36 | #include "serialize.h" |
| 37 | #include "cctest.h" |
| 38 | |
| 39 | using namespace v8::internal; |
| 40 | |
| 41 | |
| 42 | typedef int (*F0)(); |
| 43 | typedef int (*F1)(int x); |
| 44 | typedef int (*F2)(int x, int y); |
| 45 | |
| 46 | |
| 47 | static v8::Persistent<v8::Context> env; |
| 48 | |
| 49 | |
| 50 | static void InitializeVM() { |
| 51 | if (env.IsEmpty()) { |
| 52 | env = v8::Context::New(); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | |
| 57 | #define __ assm. |
| 58 | |
| 59 | TEST(AssemblerIa320) { |
| 60 | InitializeVM(); |
| 61 | v8::HandleScope scope; |
| 62 | |
| 63 | v8::internal::byte buffer[256]; |
| 64 | Assembler assm(buffer, sizeof buffer); |
| 65 | |
| 66 | __ mov(eax, Operand(esp, 4)); |
| 67 | __ add(eax, Operand(esp, 8)); |
| 68 | __ ret(0); |
| 69 | |
| 70 | CodeDesc desc; |
| 71 | assm.GetCode(&desc); |
| 72 | Object* code = Heap::CreateCode(desc, |
| 73 | NULL, |
| 74 | Code::ComputeFlags(Code::STUB), |
| 75 | Handle<Object>(Heap::undefined_value())); |
| 76 | CHECK(code->IsCode()); |
| 77 | #ifdef DEBUG |
| 78 | Code::cast(code)->Print(); |
| 79 | #endif |
| 80 | F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry()); |
| 81 | int res = f(3, 4); |
| 82 | ::printf("f() = %d\n", res); |
| 83 | CHECK_EQ(7, res); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | TEST(AssemblerIa321) { |
| 88 | InitializeVM(); |
| 89 | v8::HandleScope scope; |
| 90 | |
| 91 | v8::internal::byte buffer[256]; |
| 92 | Assembler assm(buffer, sizeof buffer); |
| 93 | Label L, C; |
| 94 | |
| 95 | __ mov(edx, Operand(esp, 4)); |
| 96 | __ xor_(eax, Operand(eax)); // clear eax |
| 97 | __ jmp(&C); |
| 98 | |
| 99 | __ bind(&L); |
| 100 | __ add(eax, Operand(edx)); |
| 101 | __ sub(Operand(edx), Immediate(1)); |
| 102 | |
| 103 | __ bind(&C); |
| 104 | __ test(edx, Operand(edx)); |
| 105 | __ j(not_zero, &L, taken); |
| 106 | __ ret(0); |
| 107 | |
| 108 | CodeDesc desc; |
| 109 | assm.GetCode(&desc); |
| 110 | Object* code = Heap::CreateCode(desc, |
| 111 | NULL, |
| 112 | Code::ComputeFlags(Code::STUB), |
| 113 | Handle<Object>(Heap::undefined_value())); |
| 114 | CHECK(code->IsCode()); |
| 115 | #ifdef DEBUG |
| 116 | Code::cast(code)->Print(); |
| 117 | #endif |
| 118 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 119 | int res = f(100); |
| 120 | ::printf("f() = %d\n", res); |
| 121 | CHECK_EQ(5050, res); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | TEST(AssemblerIa322) { |
| 126 | InitializeVM(); |
| 127 | v8::HandleScope scope; |
| 128 | |
| 129 | v8::internal::byte buffer[256]; |
| 130 | Assembler assm(buffer, sizeof buffer); |
| 131 | Label L, C; |
| 132 | |
| 133 | __ mov(edx, Operand(esp, 4)); |
| 134 | __ mov(eax, 1); |
| 135 | __ jmp(&C); |
| 136 | |
| 137 | __ bind(&L); |
| 138 | __ imul(eax, Operand(edx)); |
| 139 | __ sub(Operand(edx), Immediate(1)); |
| 140 | |
| 141 | __ bind(&C); |
| 142 | __ test(edx, Operand(edx)); |
| 143 | __ j(not_zero, &L, taken); |
| 144 | __ ret(0); |
| 145 | |
| 146 | // some relocated stuff here, not executed |
| 147 | __ mov(eax, Factory::true_value()); |
| 148 | __ jmp(NULL, RelocInfo::RUNTIME_ENTRY); |
| 149 | |
| 150 | CodeDesc desc; |
| 151 | assm.GetCode(&desc); |
| 152 | Object* code = Heap::CreateCode(desc, |
| 153 | NULL, |
| 154 | Code::ComputeFlags(Code::STUB), |
| 155 | Handle<Object>(Heap::undefined_value())); |
| 156 | CHECK(code->IsCode()); |
| 157 | #ifdef DEBUG |
| 158 | Code::cast(code)->Print(); |
| 159 | #endif |
| 160 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 161 | int res = f(10); |
| 162 | ::printf("f() = %d\n", res); |
| 163 | CHECK_EQ(3628800, res); |
| 164 | } |
| 165 | |
| 166 | |
| 167 | typedef int (*F3)(float x); |
| 168 | |
| 169 | TEST(AssemblerIa323) { |
| 170 | InitializeVM(); |
| 171 | v8::HandleScope scope; |
| 172 | |
| 173 | v8::internal::byte buffer[256]; |
| 174 | Assembler assm(buffer, sizeof buffer); |
| 175 | |
| 176 | CHECK(CpuFeatures::IsSupported(CpuFeatures::SSE2)); |
| 177 | { CpuFeatures::Scope fscope(CpuFeatures::SSE2); |
| 178 | __ cvttss2si(eax, Operand(esp, 4)); |
| 179 | __ ret(0); |
| 180 | } |
| 181 | |
| 182 | CodeDesc desc; |
| 183 | assm.GetCode(&desc); |
| 184 | Code* code = |
| 185 | Code::cast(Heap::CreateCode(desc, |
| 186 | NULL, |
| 187 | Code::ComputeFlags(Code::STUB), |
| 188 | Handle<Object>(Heap::undefined_value()))); |
| 189 | // don't print the code - our disassembler can't handle cvttss2si |
| 190 | // instead print bytes |
| 191 | Disassembler::Dump(stdout, |
| 192 | code->instruction_start(), |
| 193 | code->instruction_start() + code->instruction_size()); |
| 194 | F3 f = FUNCTION_CAST<F3>(code->entry()); |
| 195 | int res = f(static_cast<float>(-3.1415)); |
| 196 | ::printf("f() = %d\n", res); |
| 197 | CHECK_EQ(-3, res); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | typedef int (*F4)(double x); |
| 202 | |
| 203 | TEST(AssemblerIa324) { |
| 204 | InitializeVM(); |
| 205 | v8::HandleScope scope; |
| 206 | |
| 207 | v8::internal::byte buffer[256]; |
| 208 | Assembler assm(buffer, sizeof buffer); |
| 209 | |
| 210 | CHECK(CpuFeatures::IsSupported(CpuFeatures::SSE2)); |
| 211 | CpuFeatures::Scope fscope(CpuFeatures::SSE2); |
| 212 | __ cvttsd2si(eax, Operand(esp, 4)); |
| 213 | __ ret(0); |
| 214 | |
| 215 | CodeDesc desc; |
| 216 | assm.GetCode(&desc); |
| 217 | Code* code = |
| 218 | Code::cast(Heap::CreateCode(desc, |
| 219 | NULL, |
| 220 | Code::ComputeFlags(Code::STUB), |
| 221 | Handle<Object>(Heap::undefined_value()))); |
| 222 | // don't print the code - our disassembler can't handle cvttsd2si |
| 223 | // instead print bytes |
| 224 | Disassembler::Dump(stdout, |
| 225 | code->instruction_start(), |
| 226 | code->instruction_start() + code->instruction_size()); |
| 227 | F4 f = FUNCTION_CAST<F4>(code->entry()); |
| 228 | int res = f(2.718281828); |
| 229 | ::printf("f() = %d\n", res); |
| 230 | CHECK_EQ(2, res); |
| 231 | } |
| 232 | |
| 233 | |
| 234 | static int baz = 42; |
| 235 | TEST(AssemblerIa325) { |
| 236 | InitializeVM(); |
| 237 | v8::HandleScope scope; |
| 238 | |
| 239 | v8::internal::byte buffer[256]; |
| 240 | Assembler assm(buffer, sizeof buffer); |
| 241 | |
| 242 | __ mov(eax, Operand(reinterpret_cast<intptr_t>(&baz), RelocInfo::NONE)); |
| 243 | __ ret(0); |
| 244 | |
| 245 | CodeDesc desc; |
| 246 | assm.GetCode(&desc); |
| 247 | Code* code = |
| 248 | Code::cast(Heap::CreateCode(desc, |
| 249 | NULL, |
| 250 | Code::ComputeFlags(Code::STUB), |
| 251 | Handle<Object>(Heap::undefined_value()))); |
| 252 | F0 f = FUNCTION_CAST<F0>(code->entry()); |
| 253 | int res = f(); |
| 254 | CHECK_EQ(42, res); |
| 255 | } |
| 256 | |
| 257 | |
| 258 | typedef double (*F5)(double x, double y); |
| 259 | |
| 260 | TEST(AssemblerIa326) { |
| 261 | InitializeVM(); |
| 262 | v8::HandleScope scope; |
| 263 | CHECK(CpuFeatures::IsSupported(CpuFeatures::SSE2)); |
| 264 | CpuFeatures::Scope fscope(CpuFeatures::SSE2); |
| 265 | v8::internal::byte buffer[256]; |
| 266 | Assembler assm(buffer, sizeof buffer); |
| 267 | |
| 268 | __ movdbl(xmm0, Operand(esp, 1 * kPointerSize)); |
| 269 | __ movdbl(xmm1, Operand(esp, 3 * kPointerSize)); |
| 270 | __ addsd(xmm0, xmm1); |
| 271 | __ mulsd(xmm0, xmm1); |
| 272 | __ subsd(xmm0, xmm1); |
| 273 | __ divsd(xmm0, xmm1); |
| 274 | // Copy xmm0 to st(0) using eight bytes of stack. |
| 275 | __ sub(Operand(esp), Immediate(8)); |
| 276 | __ movdbl(Operand(esp, 0), xmm0); |
| 277 | __ fld_d(Operand(esp, 0)); |
| 278 | __ add(Operand(esp), Immediate(8)); |
| 279 | __ ret(0); |
| 280 | |
| 281 | CodeDesc desc; |
| 282 | assm.GetCode(&desc); |
| 283 | Code* code = |
| 284 | Code::cast(Heap::CreateCode(desc, |
| 285 | NULL, |
| 286 | Code::ComputeFlags(Code::STUB), |
| 287 | Handle<Object>(Heap::undefined_value()))); |
| 288 | #ifdef DEBUG |
| 289 | ::printf("\n---\n"); |
| 290 | // don't print the code - our disassembler can't handle SSE instructions |
| 291 | // instead print bytes |
| 292 | Disassembler::Dump(stdout, |
| 293 | code->instruction_start(), |
| 294 | code->instruction_start() + code->instruction_size()); |
| 295 | #endif |
| 296 | F5 f = FUNCTION_CAST<F5>(code->entry()); |
| 297 | double res = f(2.2, 1.1); |
| 298 | ::printf("f() = %f\n", res); |
| 299 | CHECK(2.29 < res && res < 2.31); |
| 300 | } |
| 301 | |
| 302 | |
| 303 | typedef double (*F6)(int x); |
| 304 | |
| 305 | TEST(AssemblerIa328) { |
| 306 | InitializeVM(); |
| 307 | v8::HandleScope scope; |
| 308 | CHECK(CpuFeatures::IsSupported(CpuFeatures::SSE2)); |
| 309 | CpuFeatures::Scope fscope(CpuFeatures::SSE2); |
| 310 | v8::internal::byte buffer[256]; |
| 311 | Assembler assm(buffer, sizeof buffer); |
| 312 | __ mov(eax, Operand(esp, 4)); |
| 313 | __ cvtsi2sd(xmm0, Operand(eax)); |
| 314 | // Copy xmm0 to st(0) using eight bytes of stack. |
| 315 | __ sub(Operand(esp), Immediate(8)); |
| 316 | __ movdbl(Operand(esp, 0), xmm0); |
| 317 | __ fld_d(Operand(esp, 0)); |
| 318 | __ add(Operand(esp), Immediate(8)); |
| 319 | __ ret(0); |
| 320 | CodeDesc desc; |
| 321 | assm.GetCode(&desc); |
| 322 | Code* code = |
| 323 | Code::cast(Heap::CreateCode(desc, |
| 324 | NULL, |
| 325 | Code::ComputeFlags(Code::STUB), |
| 326 | Handle<Object>(Heap::undefined_value()))); |
| 327 | CHECK(code->IsCode()); |
| 328 | #ifdef DEBUG |
| 329 | Code::cast(code)->Print(); |
| 330 | #endif |
| 331 | F6 f = FUNCTION_CAST<F6>(Code::cast(code)->entry()); |
| 332 | double res = f(12); |
| 333 | |
| 334 | ::printf("f() = %f\n", res); |
| 335 | CHECK(11.99 < res && res < 12.001); |
| 336 | } |
| 337 | |
| 338 | |
| 339 | typedef int (*F7)(double x, double y); |
| 340 | |
| 341 | TEST(AssemblerIa329) { |
| 342 | InitializeVM(); |
| 343 | v8::HandleScope scope; |
| 344 | v8::internal::byte buffer[256]; |
| 345 | MacroAssembler assm(buffer, sizeof buffer); |
| 346 | enum { kEqual = 0, kGreater = 1, kLess = 2, kNaN = 3, kUndefined = 4 }; |
| 347 | Label equal_l, less_l, greater_l, nan_l; |
| 348 | __ fld_d(Operand(esp, 3 * kPointerSize)); |
| 349 | __ fld_d(Operand(esp, 1 * kPointerSize)); |
| 350 | __ FCmp(); |
| 351 | __ j(parity_even, &nan_l, taken); |
| 352 | __ j(equal, &equal_l, taken); |
| 353 | __ j(below, &less_l, taken); |
| 354 | __ j(above, &greater_l, taken); |
| 355 | |
| 356 | __ mov(eax, kUndefined); |
| 357 | __ ret(0); |
| 358 | |
| 359 | __ bind(&equal_l); |
| 360 | __ mov(eax, kEqual); |
| 361 | __ ret(0); |
| 362 | |
| 363 | __ bind(&greater_l); |
| 364 | __ mov(eax, kGreater); |
| 365 | __ ret(0); |
| 366 | |
| 367 | __ bind(&less_l); |
| 368 | __ mov(eax, kLess); |
| 369 | __ ret(0); |
| 370 | |
| 371 | __ bind(&nan_l); |
| 372 | __ mov(eax, kNaN); |
| 373 | __ ret(0); |
| 374 | |
| 375 | |
| 376 | CodeDesc desc; |
| 377 | assm.GetCode(&desc); |
| 378 | Code* code = |
| 379 | Code::cast(Heap::CreateCode(desc, |
| 380 | NULL, |
| 381 | Code::ComputeFlags(Code::STUB), |
| 382 | Handle<Object>(Heap::undefined_value()))); |
| 383 | CHECK(code->IsCode()); |
| 384 | #ifdef DEBUG |
| 385 | Code::cast(code)->Print(); |
| 386 | #endif |
| 387 | |
| 388 | F7 f = FUNCTION_CAST<F7>(Code::cast(code)->entry()); |
| 389 | CHECK_EQ(kLess, f(1.1, 2.2)); |
| 390 | CHECK_EQ(kEqual, f(2.2, 2.2)); |
| 391 | CHECK_EQ(kGreater, f(3.3, 2.2)); |
| 392 | CHECK_EQ(kNaN, f(OS::nan_value(), 1.1)); |
| 393 | } |
| 394 | |
| 395 | #undef __ |