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| 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 |
| 29 #include <stdlib.h> |
| 30 |
| 31 #include "v8.h" |
| 32 |
| 33 #include "debug.h" |
| 34 #include "disasm.h" |
| 35 #include "disassembler.h" |
| 36 #include "macro-assembler.h" |
| 37 #include "serialize.h" |
| 38 #include "cctest.h" |
| 39 |
| 40 using namespace v8::internal; |
| 41 |
| 42 |
| 43 static v8::Persistent<v8::Context> env; |
| 44 |
| 45 static void InitializeVM() { |
| 46 // Disable compilation of natives. |
| 47 FLAG_disable_native_files = true; |
| 48 if (env.IsEmpty()) { |
| 49 env = v8::Context::New(); |
| 50 } |
| 51 } |
| 52 |
| 53 |
| 54 bool DisassembleAndCompare(byte* pc, const char* compare_string) { |
| 55 disasm::NameConverter converter; |
| 56 disasm::Disassembler disasm(converter); |
| 57 EmbeddedVector<char, 128> disasm_buffer; |
| 58 |
| 59 disasm.InstructionDecode(disasm_buffer, pc); |
| 60 |
| 61 if (strcmp(compare_string, disasm_buffer.start()) != 0) { |
| 62 fprintf(stderr, |
| 63 "expected: \n" |
| 64 "%s\n" |
| 65 "disassembled: \n" |
| 66 "%s\n\n", |
| 67 compare_string, disasm_buffer.start()); |
| 68 return false; |
| 69 } |
| 70 return true; |
| 71 } |
| 72 |
| 73 |
| 74 // Setup V8 to a state where we can at least run the assembler and |
| 75 // disassembler. Declare the variables and allocate the data structures used |
| 76 // in the rest of the macros. |
| 77 #define SETUP() \ |
| 78 InitializeVM(); \ |
| 79 v8::HandleScope scope; \ |
| 80 byte *buffer = reinterpret_cast<byte*>(malloc(4*1024)); \ |
| 81 Assembler assm(Isolate::Current(), buffer, 4*1024); \ |
| 82 bool failure = false; |
| 83 |
| 84 |
| 85 // This macro assembles one instruction using the preallocated assembler and |
| 86 // disassembles the generated instruction, comparing the output to the expected |
| 87 // value. If the comparison fails an error message is printed, but the test |
| 88 // continues to run until the end. |
| 89 #define COMPARE(asm_, compare_string) \ |
| 90 { \ |
| 91 int pc_offset = assm.pc_offset(); \ |
| 92 byte *progcounter = &buffer[pc_offset]; \ |
| 93 assm.asm_; \ |
| 94 if (!DisassembleAndCompare(progcounter, compare_string)) failure = true; \ |
| 95 } |
| 96 |
| 97 |
| 98 // Verify that all invocations of the COMPARE macro passed successfully. |
| 99 // Exit with a failure if at least one of the tests failed. |
| 100 #define VERIFY_RUN() \ |
| 101 if (failure) { \ |
| 102 V8_Fatal(__FILE__, __LINE__, "MIPS Disassembler tests failed.\n"); \ |
| 103 } |
| 104 |
| 105 |
| 106 TEST(Type0) { |
| 107 SETUP(); |
| 108 |
| 109 COMPARE(addu(a0, a1, a2), |
| 110 "00a62021 addu a0, a1, a2"); |
| 111 COMPARE(addu(t2, t3, t4), |
| 112 "016c5021 addu t2, t3, t4"); |
| 113 COMPARE(addu(v0, v1, s0), |
| 114 "00701021 addu v0, v1, s0"); |
| 115 |
| 116 COMPARE(subu(a0, a1, a2), |
| 117 "00a62023 subu a0, a1, a2"); |
| 118 COMPARE(subu(t2, t3, t4), |
| 119 "016c5023 subu t2, t3, t4"); |
| 120 COMPARE(subu(v0, v1, s0), |
| 121 "00701023 subu v0, v1, s0"); |
| 122 |
| 123 COMPARE(mult(a0, a1), |
| 124 "00850018 mult a0, a1"); |
| 125 COMPARE(mult(t2, t3), |
| 126 "014b0018 mult t2, t3"); |
| 127 COMPARE(mult(v0, v1), |
| 128 "00430018 mult v0, v1"); |
| 129 |
| 130 COMPARE(multu(a0, a1), |
| 131 "00850019 multu a0, a1"); |
| 132 COMPARE(multu(t2, t3), |
| 133 "014b0019 multu t2, t3"); |
| 134 COMPARE(multu(v0, v1), |
| 135 "00430019 multu v0, v1"); |
| 136 |
| 137 COMPARE(div(a0, a1), |
| 138 "0085001a div a0, a1"); |
| 139 COMPARE(div(t2, t3), |
| 140 "014b001a div t2, t3"); |
| 141 COMPARE(div(v0, v1), |
| 142 "0043001a div v0, v1"); |
| 143 |
| 144 COMPARE(divu(a0, a1), |
| 145 "0085001b divu a0, a1"); |
| 146 COMPARE(divu(t2, t3), |
| 147 "014b001b divu t2, t3"); |
| 148 COMPARE(divu(v0, v1), |
| 149 "0043001b divu v0, v1"); |
| 150 |
| 151 COMPARE(mul(a0, a1, a2), |
| 152 "70a62002 mul a0, a1, a2"); |
| 153 COMPARE(mul(t2, t3, t4), |
| 154 "716c5002 mul t2, t3, t4"); |
| 155 COMPARE(mul(v0, v1, s0), |
| 156 "70701002 mul v0, v1, s0"); |
| 157 |
| 158 COMPARE(addiu(a0, a1, 0x0), |
| 159 "24a40000 addiu a0, a1, 0"); |
| 160 COMPARE(addiu(s0, s1, 32767), |
| 161 "26307fff addiu s0, s1, 32767"); |
| 162 COMPARE(addiu(t2, t3, -32768), |
| 163 "256a8000 addiu t2, t3, -32768"); |
| 164 COMPARE(addiu(v0, v1, -1), |
| 165 "2462ffff addiu v0, v1, -1"); |
| 166 |
| 167 COMPARE(and_(a0, a1, a2), |
| 168 "00a62024 and a0, a1, a2"); |
| 169 COMPARE(and_(s0, s1, s2), |
| 170 "02328024 and s0, s1, s2"); |
| 171 COMPARE(and_(t2, t3, t4), |
| 172 "016c5024 and t2, t3, t4"); |
| 173 COMPARE(and_(v0, v1, a2), |
| 174 "00661024 and v0, v1, a2"); |
| 175 |
| 176 COMPARE(or_(a0, a1, a2), |
| 177 "00a62025 or a0, a1, a2"); |
| 178 COMPARE(or_(s0, s1, s2), |
| 179 "02328025 or s0, s1, s2"); |
| 180 COMPARE(or_(t2, t3, t4), |
| 181 "016c5025 or t2, t3, t4"); |
| 182 COMPARE(or_(v0, v1, a2), |
| 183 "00661025 or v0, v1, a2"); |
| 184 |
| 185 COMPARE(xor_(a0, a1, a2), |
| 186 "00a62026 xor a0, a1, a2"); |
| 187 COMPARE(xor_(s0, s1, s2), |
| 188 "02328026 xor s0, s1, s2"); |
| 189 COMPARE(xor_(t2, t3, t4), |
| 190 "016c5026 xor t2, t3, t4"); |
| 191 COMPARE(xor_(v0, v1, a2), |
| 192 "00661026 xor v0, v1, a2"); |
| 193 |
| 194 COMPARE(nor(a0, a1, a2), |
| 195 "00a62027 nor a0, a1, a2"); |
| 196 COMPARE(nor(s0, s1, s2), |
| 197 "02328027 nor s0, s1, s2"); |
| 198 COMPARE(nor(t2, t3, t4), |
| 199 "016c5027 nor t2, t3, t4"); |
| 200 COMPARE(nor(v0, v1, a2), |
| 201 "00661027 nor v0, v1, a2"); |
| 202 |
| 203 COMPARE(andi(a0, a1, 0x1), |
| 204 "30a40001 andi a0, a1, 0x1"); |
| 205 COMPARE(andi(v0, v1, 0xffff), |
| 206 "3062ffff andi v0, v1, 0xffff"); |
| 207 |
| 208 COMPARE(ori(a0, a1, 0x1), |
| 209 "34a40001 ori a0, a1, 0x1"); |
| 210 COMPARE(ori(v0, v1, 0xffff), |
| 211 "3462ffff ori v0, v1, 0xffff"); |
| 212 |
| 213 COMPARE(xori(a0, a1, 0x1), |
| 214 "38a40001 xori a0, a1, 0x1"); |
| 215 COMPARE(xori(v0, v1, 0xffff), |
| 216 "3862ffff xori v0, v1, 0xffff"); |
| 217 |
| 218 COMPARE(lui(a0, 0x1), |
| 219 "3c040001 lui a0, 0x1"); |
| 220 COMPARE(lui(v0, 0xffff), |
| 221 "3c02ffff lui v0, 0xffff"); |
| 222 |
| 223 COMPARE(sll(a0, a1, 0), |
| 224 "00052000 sll a0, a1, 0"); |
| 225 COMPARE(sll(s0, s1, 8), |
| 226 "00118200 sll s0, s1, 8"); |
| 227 COMPARE(sll(t2, t3, 24), |
| 228 "000b5600 sll t2, t3, 24"); |
| 229 COMPARE(sll(v0, v1, 31), |
| 230 "000317c0 sll v0, v1, 31"); |
| 231 |
| 232 COMPARE(sllv(a0, a1, a2), |
| 233 "00c52004 sllv a0, a1, a2"); |
| 234 COMPARE(sllv(s0, s1, s2), |
| 235 "02518004 sllv s0, s1, s2"); |
| 236 COMPARE(sllv(t2, t3, t4), |
| 237 "018b5004 sllv t2, t3, t4"); |
| 238 COMPARE(sllv(v0, v1, fp), |
| 239 "03c31004 sllv v0, v1, fp"); |
| 240 |
| 241 COMPARE(srl(a0, a1, 0), |
| 242 "00052002 srl a0, a1, 0"); |
| 243 COMPARE(srl(s0, s1, 8), |
| 244 "00118202 srl s0, s1, 8"); |
| 245 COMPARE(srl(t2, t3, 24), |
| 246 "000b5602 srl t2, t3, 24"); |
| 247 COMPARE(srl(v0, v1, 31), |
| 248 "000317c2 srl v0, v1, 31"); |
| 249 |
| 250 COMPARE(srlv(a0, a1, a2), |
| 251 "00c52006 srlv a0, a1, a2"); |
| 252 COMPARE(srlv(s0, s1, s2), |
| 253 "02518006 srlv s0, s1, s2"); |
| 254 COMPARE(srlv(t2, t3, t4), |
| 255 "018b5006 srlv t2, t3, t4"); |
| 256 COMPARE(srlv(v0, v1, fp), |
| 257 "03c31006 srlv v0, v1, fp"); |
| 258 |
| 259 COMPARE(sra(a0, a1, 0), |
| 260 "00052003 sra a0, a1, 0"); |
| 261 COMPARE(sra(s0, s1, 8), |
| 262 "00118203 sra s0, s1, 8"); |
| 263 COMPARE(sra(t2, t3, 24), |
| 264 "000b5603 sra t2, t3, 24"); |
| 265 COMPARE(sra(v0, v1, 31), |
| 266 "000317c3 sra v0, v1, 31"); |
| 267 |
| 268 COMPARE(srav(a0, a1, a2), |
| 269 "00c52007 srav a0, a1, a2"); |
| 270 COMPARE(srav(s0, s1, s2), |
| 271 "02518007 srav s0, s1, s2"); |
| 272 COMPARE(srav(t2, t3, t4), |
| 273 "018b5007 srav t2, t3, t4"); |
| 274 COMPARE(srav(v0, v1, fp), |
| 275 "03c31007 srav v0, v1, fp"); |
| 276 |
| 277 COMPARE(rotr(a0, a1, 0), |
| 278 "00252002 rotr a0, a1, 0"); |
| 279 COMPARE(rotr(s0, s1, 8), |
| 280 "00318202 rotr s0, s1, 8"); |
| 281 COMPARE(rotr(t2, t3, 24), |
| 282 "002b5602 rotr t2, t3, 24"); |
| 283 COMPARE(rotr(v0, v1, 31), |
| 284 "002317c2 rotr v0, v1, 31"); |
| 285 |
| 286 COMPARE(rotrv(a0, a1, a2), |
| 287 "00c52046 rotrv a0, a1, a2"); |
| 288 COMPARE(rotrv(s0, s1, s2), |
| 289 "02518046 rotrv s0, s1, s2"); |
| 290 COMPARE(rotrv(t2, t3, t4), |
| 291 "018b5046 rotrv t2, t3, t4"); |
| 292 COMPARE(rotrv(v0, v1, fp), |
| 293 "03c31046 rotrv v0, v1, fp"); |
| 294 |
| 295 COMPARE(break_(0), |
| 296 "0000000d break, code: 0x00000 (0)"); |
| 297 COMPARE(break_(261120), |
| 298 "00ff000d break, code: 0x3fc00 (261120)"); |
| 299 COMPARE(break_(1047552), |
| 300 "03ff000d break, code: 0xffc00 (1047552)"); |
| 301 |
| 302 COMPARE(tge(a0, a1, 0), |
| 303 "00850030 tge a0, a1, code: 0x000"); |
| 304 COMPARE(tge(s0, s1, 1023), |
| 305 "0211fff0 tge s0, s1, code: 0x3ff"); |
| 306 COMPARE(tgeu(a0, a1, 0), |
| 307 "00850031 tgeu a0, a1, code: 0x000"); |
| 308 COMPARE(tgeu(s0, s1, 1023), |
| 309 "0211fff1 tgeu s0, s1, code: 0x3ff"); |
| 310 COMPARE(tlt(a0, a1, 0), |
| 311 "00850032 tlt a0, a1, code: 0x000"); |
| 312 COMPARE(tlt(s0, s1, 1023), |
| 313 "0211fff2 tlt s0, s1, code: 0x3ff"); |
| 314 COMPARE(tltu(a0, a1, 0), |
| 315 "00850033 tltu a0, a1, code: 0x000"); |
| 316 COMPARE(tltu(s0, s1, 1023), |
| 317 "0211fff3 tltu s0, s1, code: 0x3ff"); |
| 318 COMPARE(teq(a0, a1, 0), |
| 319 "00850034 teq a0, a1, code: 0x000"); |
| 320 COMPARE(teq(s0, s1, 1023), |
| 321 "0211fff4 teq s0, s1, code: 0x3ff"); |
| 322 COMPARE(tne(a0, a1, 0), |
| 323 "00850036 tne a0, a1, code: 0x000"); |
| 324 COMPARE(tne(s0, s1, 1023), |
| 325 "0211fff6 tne s0, s1, code: 0x3ff"); |
| 326 |
| 327 COMPARE(mfhi(a0), |
| 328 "00002010 mfhi a0"); |
| 329 COMPARE(mfhi(s2), |
| 330 "00009010 mfhi s2"); |
| 331 COMPARE(mfhi(t4), |
| 332 "00006010 mfhi t4"); |
| 333 COMPARE(mfhi(v1), |
| 334 "00001810 mfhi v1"); |
| 335 COMPARE(mflo(a0), |
| 336 "00002012 mflo a0"); |
| 337 COMPARE(mflo(s2), |
| 338 "00009012 mflo s2"); |
| 339 COMPARE(mflo(t4), |
| 340 "00006012 mflo t4"); |
| 341 COMPARE(mflo(v1), |
| 342 "00001812 mflo v1"); |
| 343 |
| 344 COMPARE(slt(a0, a1, a2), |
| 345 "00a6202a slt a0, a1, a2"); |
| 346 COMPARE(slt(s0, s1, s2), |
| 347 "0232802a slt s0, s1, s2"); |
| 348 COMPARE(slt(t2, t3, t4), |
| 349 "016c502a slt t2, t3, t4"); |
| 350 COMPARE(slt(v0, v1, a2), |
| 351 "0066102a slt v0, v1, a2"); |
| 352 COMPARE(sltu(a0, a1, a2), |
| 353 "00a6202b sltu a0, a1, a2"); |
| 354 COMPARE(sltu(s0, s1, s2), |
| 355 "0232802b sltu s0, s1, s2"); |
| 356 COMPARE(sltu(t2, t3, t4), |
| 357 "016c502b sltu t2, t3, t4"); |
| 358 COMPARE(sltu(v0, v1, a2), |
| 359 "0066102b sltu v0, v1, a2"); |
| 360 |
| 361 COMPARE(slti(a0, a1, 0), |
| 362 "28a40000 slti a0, a1, 0"); |
| 363 COMPARE(slti(s0, s1, 32767), |
| 364 "2a307fff slti s0, s1, 32767"); |
| 365 COMPARE(slti(t2, t3, -32768), |
| 366 "296a8000 slti t2, t3, -32768"); |
| 367 COMPARE(slti(v0, v1, -1), |
| 368 "2862ffff slti v0, v1, -1"); |
| 369 COMPARE(sltiu(a0, a1, 0), |
| 370 "2ca40000 sltiu a0, a1, 0"); |
| 371 COMPARE(sltiu(s0, s1, 32767), |
| 372 "2e307fff sltiu s0, s1, 32767"); |
| 373 COMPARE(sltiu(t2, t3, -32768), |
| 374 "2d6a8000 sltiu t2, t3, -32768"); |
| 375 COMPARE(sltiu(v0, v1, -1), |
| 376 "2c62ffff sltiu v0, v1, -1"); |
| 377 |
| 378 COMPARE(movz(a0, a1, a2), |
| 379 "00a6200a movz a0, a1, a2"); |
| 380 COMPARE(movz(s0, s1, s2), |
| 381 "0232800a movz s0, s1, s2"); |
| 382 COMPARE(movz(t2, t3, t4), |
| 383 "016c500a movz t2, t3, t4"); |
| 384 COMPARE(movz(v0, v1, a2), |
| 385 "0066100a movz v0, v1, a2"); |
| 386 COMPARE(movn(a0, a1, a2), |
| 387 "00a6200b movn a0, a1, a2"); |
| 388 COMPARE(movn(s0, s1, s2), |
| 389 "0232800b movn s0, s1, s2"); |
| 390 COMPARE(movn(t2, t3, t4), |
| 391 "016c500b movn t2, t3, t4"); |
| 392 COMPARE(movn(v0, v1, a2), |
| 393 "0066100b movn v0, v1, a2"); |
| 394 |
| 395 COMPARE(movt(a0, a1, 1), |
| 396 "00a52001 movt a0, a1, 1"); |
| 397 COMPARE(movt(s0, s1, 2), |
| 398 "02298001 movt s0, s1, 2"); |
| 399 COMPARE(movt(t2, t3, 3), |
| 400 "016d5001 movt t2, t3, 3"); |
| 401 COMPARE(movt(v0, v1, 7), |
| 402 "007d1001 movt v0, v1, 7"); |
| 403 COMPARE(movf(a0, a1, 0), |
| 404 "00a02001 movf a0, a1, 0"); |
| 405 COMPARE(movf(s0, s1, 4), |
| 406 "02308001 movf s0, s1, 4"); |
| 407 COMPARE(movf(t2, t3, 5), |
| 408 "01745001 movf t2, t3, 5"); |
| 409 COMPARE(movf(v0, v1, 6), |
| 410 "00781001 movf v0, v1, 6"); |
| 411 |
| 412 COMPARE(clz(a0, a1), |
| 413 "70a42020 clz a0, a1"); |
| 414 COMPARE(clz(s6, s7), |
| 415 "72f6b020 clz s6, s7"); |
| 416 COMPARE(clz(v0, v1), |
| 417 "70621020 clz v0, v1"); |
| 418 COMPARE(ins_(a0, a1, 31, 1), |
| 419 "7ca4ffc4 ins a0, a1, 31, 1"); |
| 420 COMPARE(ins_(s6, s7, 30, 2), |
| 421 "7ef6ff84 ins s6, s7, 30, 2"); |
| 422 COMPARE(ins_(v0, v1, 0, 32), |
| 423 "7c62f804 ins v0, v1, 0, 32"); |
| 424 COMPARE(ext_(a0, a1, 31, 1), |
| 425 "7ca407c0 ext a0, a1, 31, 1"); |
| 426 COMPARE(ext_(s6, s7, 30, 2), |
| 427 "7ef60f80 ext s6, s7, 30, 2"); |
| 428 COMPARE(ext_(v0, v1, 0, 32), |
| 429 "7c62f800 ext v0, v1, 0, 32"); |
| 430 |
| 431 VERIFY_RUN(); |
| 432 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6994013:
Add cctest/test-disasm-mips which was mistakenly omitted from r7825. (Closed)
Base URL: http://github.com/v8/v8.git@bleeding_edge