1 // Copyright 2014 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 "src/v8.h" 32 33 #include "src/debug/debug.h" 34 #include "src/disasm.h" 35 #include "src/disassembler.h" 36 #include "src/macro-assembler.h" 37 #include "test/cctest/cctest.h" 38 39 using namespace v8::internal; 40 41 bool DisassembleAndCompare(byte* pc, const char* compare_string) { 42 disasm::NameConverter converter; 43 disasm::Disassembler disasm(converter); 44 EmbeddedVector<char, 128> disasm_buffer; 45 46 disasm.InstructionDecode(disasm_buffer, pc); 47 48 if (strcmp(compare_string, disasm_buffer.start()) != 0) { 49 fprintf(stderr, 50 "expected: \n" 51 "%s\n" 52 "disassembled: \n" 53 "%s\n\n", 54 compare_string, disasm_buffer.start()); 55 return false; 56 } 57 return true; 58 } 59 60 // Set up V8 to a state where we can at least run the assembler and 61 // disassembler. Declare the variables and allocate the data structures used 62 // in the rest of the macros. 63 #define SET_UP() \ 64 CcTest::InitializeVM(); \ 65 Isolate* isolate = CcTest::i_isolate(); \ 66 HandleScope scope(isolate); \ 67 byte* buffer = reinterpret_cast<byte*>(malloc(4 * 1024)); \ 68 Assembler assm(isolate, buffer, 4 * 1024); \ 69 bool failure = false; 70 71 // This macro assembles one instruction using the preallocated assembler and 72 // disassembles the generated instruction, comparing the output to the expected 73 // value. If the comparison fails an error message is printed, but the test 74 // continues to run until the end. 75 #define COMPARE(asm_, compare_string) \ 76 { \ 77 int pc_offset = assm.pc_offset(); \ 78 byte* progcounter = &buffer[pc_offset]; \ 79 assm.asm_; \ 80 if (!DisassembleAndCompare(progcounter, compare_string)) failure = true; \ 81 } 82 83 // Force emission of any pending literals into a pool. 84 #define EMIT_PENDING_LITERALS() assm.CheckConstPool(true, false) 85 86 // Verify that all invocations of the COMPARE macro passed successfully. 87 // Exit with a failure if at least one of the tests failed. 88 #define VERIFY_RUN() \ 89 if (failure) { \ 90 V8_Fatal(__FILE__, __LINE__, "S390 Disassembler tests failed.\n"); \ 91 } 92 93 TEST(TwoBytes) { 94 SET_UP(); 95 96 COMPARE(ar(r3, r10), "1a3a ar\tr3,r10"); 97 COMPARE(sr(r8, ip), "1b8c sr\tr8,ip"); 98 COMPARE(mr_z(r0, r6), "1c06 mr\tr0,r6"); 99 COMPARE(dr(r0, r5), "1d05 dr\tr0,r5"); 100 COMPARE(or_z(r4, r2), "1642 or\tr4,r2"); 101 COMPARE(nr(fp, r9), "14b9 nr\tfp,r9"); 102 COMPARE(xr(r10, ip), "17ac xr\tr10,ip"); 103 COMPARE(lr(r2, r13), "182d lr\tr2,r13"); 104 COMPARE(cr_z(r9, r3), "1993 cr\tr9,r3"); 105 COMPARE(clr(sp, r4), "15f4 clr\tsp,r4"); 106 COMPARE(bcr(eq, r8), "0788 bcr\t0x8,r8"); 107 COMPARE(ltr(r10, r1), "12a1 ltr\tr10,r1"); 108 COMPARE(alr(r6, r8), "1e68 alr\tr6,r8"); 109 COMPARE(slr(r3, ip), "1f3c slr\tr3,ip"); 110 COMPARE(lnr(r4, r1), "1141 lnr\tr4,r1"); 111 COMPARE(lcr(r0, r3), "1303 lcr\tr0,r3"); 112 COMPARE(basr(r14, r7), "0de7 basr\tr14,r7"); 113 COMPARE(ldr(d4, d6), "2846 ldr\td4,d6"); 114 115 VERIFY_RUN(); 116 } 117 118 TEST(FourBytes) { 119 SET_UP(); 120 121 #if V8_TARGET_ARCH_S390X 122 COMPARE(aghi(r5, Operand(1)), "a75b0001 aghi\tr5,1"); 123 COMPARE(lghi(r6, Operand(8)), "a7690008 lghi\tr6,8"); 124 COMPARE(mghi(r1, Operand(2)), "a71d0002 mghi\tr1,2"); 125 COMPARE(cghi(r3, Operand(7)), "a73f0007 cghi\tr3,7"); 126 #else 127 COMPARE(ahi(r3, Operand(9)), "a73a0009 ahi\tr3,9"); 128 COMPARE(lhi(r7, Operand::Zero()), "a7780000 lhi\tr7,0"); 129 COMPARE(mhi(r8, Operand(3)), "a78c0003 mhi\tr8,3"); 130 COMPARE(chi(r4, Operand(5)), "a74e0005 chi\tr4,5"); 131 COMPARE(a(r13, MemOperand(r8, 70)), "5ad08046 a\tr13,70(r8)"); 132 COMPARE(s(r9, MemOperand(sp, 9)), "5b90f009 s\tr9,9(sp)"); 133 COMPARE(m(r6, MemOperand(r7, ip, 20)), "5c67c014 m\tr6,20(r7,ip)"); 134 COMPARE(d(r14, MemOperand(r7, 15)), "5de0700f d\tr14,15(r7)"); 135 COMPARE(o(r7, MemOperand(r3, r2, 10)), "5673200a o\tr7,10(r3,r2)"); 136 COMPARE(n(r9, MemOperand(r5, sp, 9)), "5495f009 n\tr9,9(r5,sp)"); 137 COMPARE(l(r0, MemOperand(r4, fp, 1)), "5804b001 l\tr0,1(r4,fp)"); 138 COMPARE(c(r8, MemOperand(r5, r7, 18)), "59857012 c\tr8,18(r5,r7)"); 139 COMPARE(al_z(r6, MemOperand(r9, sp, 2000)), 140 "5e69f7d0 al\tr6,2000(r9,sp)"); 141 COMPARE(sl(r8, MemOperand(r1, 100)), "5f801064 sl\tr8,100(r1)"); 142 COMPARE(la(r5, MemOperand(r9, 9)), "41509009 la\tr5,9(r9)"); 143 COMPARE(ch(r0, MemOperand(r3, 0)), "49003000 ch\tr0,0(r3)"); 144 COMPARE(cl(r1, MemOperand(r8, 5)), "55108005 cl\tr1,5(r8)"); 145 COMPARE(cli(MemOperand(r9, 64), Operand(5)), "95059040 cli\t64(r9),5"); 146 COMPARE(tm(MemOperand(r0, 8), Operand(7)), "91070008 tm\t8(r0),7"); 147 COMPARE(bct(r1, MemOperand(r9, 15)), "4610900f bct\tr1,15(r9)"); 148 COMPARE(st(r5, MemOperand(r9, r8, 7)), "50598007 st\tr5,7(r9,r8)"); 149 COMPARE(stc(r13, MemOperand(r5, r1, 8)), "42d51008 stc\tr13,8(r5,r1)"); 150 COMPARE(ic_z(r9, MemOperand(r1, 90)), "4390105a ic\tr9,90(r1)"); 151 COMPARE(sth(r5, MemOperand(r9, r0, 87)), "40590057 sth\tr5,87(r9,r0)"); 152 #endif 153 COMPARE(iihh(r10, Operand(8)), "a5a00008 iihh\tr10,8"); 154 COMPARE(iihl(r9, Operand(10)), "a591000a iihl\tr9,10"); 155 COMPARE(iilh(r0, Operand(40)), "a5020028 iilh\tr0,40"); 156 COMPARE(iill(r6, Operand(19)), "a5630013 iill\tr6,19"); 157 COMPARE(oill(r9, Operand(9)), "a59b0009 oill\tr9,9"); 158 COMPARE(tmll(r4, Operand(7)), "a7410007 tmll\tr4,7"); 159 COMPARE(stm(r2, r5, MemOperand(r9, 44)), "9025902c stm\tr2,r5,44(r9)"); 160 COMPARE(lm(r8, r0, MemOperand(sp, 88)), "9880f058 lm\tr8,r0,88(sp)"); 161 COMPARE(nill(r7, Operand(30)), "a577001e nill\tr7,30"); 162 COMPARE(nilh(r8, Operand(4)), "a5860004 nilh\tr8,4"); 163 COMPARE(ah(r9, MemOperand(r5, r4, 4)), "4a954004 ah\tr9,4(r5,r4)"); 164 COMPARE(sh(r8, MemOperand(r1, r2, 6)), "4b812006 sh\tr8,6(r1,r2)"); 165 COMPARE(mh(r5, MemOperand(r9, r8, 7)), "4c598007 mh\tr5,7(r9,r8)"); 166 167 VERIFY_RUN(); 168 } 169 170 TEST(SixBytes) { 171 SET_UP(); 172 173 #if V8_TARGET_ARCH_S390X 174 COMPARE(llihf(ip, Operand(90000)), "c0ce00015f90 llihf\tip,90000"); 175 COMPARE(agsi(MemOperand(r9, 1000), Operand(70)), 176 "eb4693e8007a agsi\t1000(r9),70"); 177 COMPARE(clgfi(r7, Operand(80)), "c27e00000050 clgfi\tr7,80"); 178 COMPARE(cgfi(r8, Operand(10)), "c28c0000000a cgfi\tr8,10"); 179 COMPARE(xihf(fp, Operand(8)), "c0b600000008 xihf\tfp,8"); 180 COMPARE(sllg(r0, r1, r2), "eb012000000d sllg\tr0,r1,0(r2)"); 181 COMPARE(sllg(r0, r1, Operand(10)), "eb01000a000d sllg\tr0,r1,10(r0)"); 182 COMPARE(srlg(r1, r3, Operand(10)), "eb13000a000c srlg\tr1,r3,10(r0)"); 183 COMPARE(srlg(r1, r3, r10), "eb13a000000c srlg\tr1,r3,0(r10)"); 184 COMPARE(slag(r1, r3, Operand(2)), "eb130002000b slag\tr1,r3,2(r0)"); 185 COMPARE(slag(r1, r3, r2), "eb132000000b slag\tr1,r3,0(r2)"); 186 COMPARE(srag(r1, r3, r2), "eb132000000a srag\tr1,r3,0(r2)"); 187 COMPARE(srag(r1, r3, Operand(2)), "eb130002000a srag\tr1,r3,2(r0)"); 188 COMPARE(risbg(r1, r2, Operand(3), Operand(5), Operand(2), false), 189 "ec1203050255 risbg\tr1,r2,3,5,2"); 190 COMPARE(risbgn(r1, r2, Operand(3), Operand(5), Operand(2), false), 191 "ec1203050259 risbgn\tr1,r2,3,5,2"); 192 COMPARE(stmg(r3, r4, MemOperand(sp, 10)), 193 "eb34f00a0024 stmg\tr3,r4,10(sp)"); 194 COMPARE(ltg(r1, MemOperand(r4, sp, 10)), "e314f00a0002 ltg\tr1,10(r4,sp)"); 195 COMPARE(lgh(r8, MemOperand(r1, 8888)), "e38012b80215 lgh\tr8,8888(r1)"); 196 COMPARE(ag(r4, MemOperand(r9, r4, 2046)), 197 "e34947fe0008 ag\tr4,2046(r9,r4)"); 198 COMPARE(agf(r1, MemOperand(r3, sp, 9)), "e313f0090018 agf\tr1,9(r3,sp)"); 199 COMPARE(sg(r9, MemOperand(r5, 15)), "e390500f0009 sg\tr9,15(r5)"); 200 COMPARE(ng(r7, MemOperand(r5, r6, 1000)), 201 "e37563e80080 ng\tr7,1000(r5,r6)"); 202 COMPARE(og(r2, MemOperand(r8, r0, 1000)), 203 "e32803e80081 og\tr2,1000(r8,r0)"); 204 COMPARE(xg(r9, MemOperand(r3, 8888)), "e39032b80282 xg\tr9,8888(r3)"); 205 COMPARE(ng(r0, MemOperand(r9, r3, 900)), "e30933840080 ng\tr0,900(r9,r3)"); 206 COMPARE(og(r3, MemOperand(r8, r2, 8888)), 207 "e33822b80281 og\tr3,8888(r8,r2)"); 208 COMPARE(xg(r9, MemOperand(r3, 15)), "e390300f0082 xg\tr9,15(r3)"); 209 COMPARE(cg(r0, MemOperand(r5, r4, 4)), "e30540040020 cg\tr0,4(r5,r4)"); 210 COMPARE(lg(r1, MemOperand(r7, r8, 90)), "e317805a0004 lg\tr1,90(r7,r8)"); 211 COMPARE(lgf(r1, MemOperand(sp, 15)), "e310f00f0014 lgf\tr1,15(sp)"); 212 COMPARE(llgf(r0, MemOperand(r3, r4, 8)), "e30340080016 llgf\tr0,8(r3,r4)"); 213 COMPARE(alg(r8, MemOperand(r4, 11)), "e380400b000a alg\tr8,11(r4)"); 214 COMPARE(slg(r1, MemOperand(r5, r6, 11)), "e315600b000b slg\tr1,11(r5,r6)"); 215 COMPARE(sgf(r0, MemOperand(r4, r5, 8888)), 216 "e30452b80219 sgf\tr0,8888(r4,r5)"); 217 COMPARE(llgh(r4, MemOperand(r1, 8000)), "e3401f400191 llgh\tr4,8000(r1)"); 218 COMPARE(llgc(r0, MemOperand(r4, r5, 30)), 219 "e304501e0090 llgc\tr0,30(r4,r5)"); 220 COMPARE(lgb(r9, MemOperand(r8, r7, 10)), "e398700a0077 lgb\tr9,10(r8,r7)"); 221 COMPARE(stg(r0, MemOperand(r9, 10)), "e300900a0024 stg\tr0,10(r9)"); 222 COMPARE(mvghi(MemOperand(r7, 25), Operand(100)), 223 "e54870190064 mvghi\t25(r7),100"); 224 COMPARE(algfi(r1, Operand(34250)), "c21a000085ca algfi\tr1,34250"); 225 COMPARE(slgfi(r1, Operand(87654321)), "c21405397fb1 slgfi\tr1,87654321"); 226 COMPARE(nihf(r2, Operand(8888)), "c02a000022b8 nihf\tr2,8888"); 227 COMPARE(oihf(r6, Operand(9000)), "c06c00002328 oihf\tr6,9000"); 228 COMPARE(msgfi(r6, Operand(90000)), "c26000015f90 msgfi\tr6,90000"); 229 #else 230 COMPARE(llilf(r10, Operand(72354)), "c0af00011aa2 llilf\tr10,72354"); 231 COMPARE(iilf(r4, Operand(11)), "c0490000000b iilf\tr4,11"); 232 COMPARE(afi(r2, Operand(8000)), "c22900001f40 afi\tr2,8000"); 233 COMPARE(asi(MemOperand(r9, 1000), Operand(70)), 234 "eb4693e8006a asi\t1000(r9),70"); 235 COMPARE(alfi(r1, Operand(90)), "c21b0000005a alfi\tr1,90"); 236 COMPARE(clfi(r9, Operand(60)), "c29f0000003c clfi\tr9,60"); 237 COMPARE(cfi(r8, Operand(10)), "c28d0000000a cfi\tr8,10"); 238 COMPARE(xilf(r3, Operand(15)), "c0370000000f xilf\tr3,15"); 239 COMPARE(sllk(r6, r7, Operand(10)), "eb67000a00df sllk\tr6,r7,10(r0)"); 240 COMPARE(sllk(r6, r7, r8), "eb67800000df sllk\tr6,r7,0(r8)"); 241 COMPARE(slak(r1, r3, r2), "eb13200000dd slak\tr1,r3,0(r2)"); 242 COMPARE(slak(r1, r3, Operand(2)), "eb13000200dd slak\tr1,r3,2(r0)"); 243 COMPARE(srak(r1, r3, Operand(2)), "eb13000200dc srak\tr1,r3,2(r0)"); 244 COMPARE(srak(r1, r3, r2), "eb13200000dc srak\tr1,r3,0(r2)"); 245 COMPARE(stmy(r3, r4, MemOperand(sp, 10)), 246 "eb34f00a0090 stmy\tr3,r4,10(sp)"); 247 COMPARE(lt_z(r1, MemOperand(r4, sp, 10)), "e314f00a0012 lt\tr1,10(r4,sp)"); 248 COMPARE(ml(r0, MemOperand(r3, r9, 2046)), 249 "e30397fe0096 ml\tr0,2046(r3,r9)"); 250 COMPARE(ay(r5, MemOperand(r7, 8888)), "e35072b8025a ay\tr5,8888(r7)"); 251 COMPARE(sy(r8, MemOperand(r6, r7, 2046)), 252 "e38677fe005b sy\tr8,2046(r6,r7)"); 253 COMPARE(ny(r2, MemOperand(r9, r0, 8888)), 254 "e32902b80254 ny\tr2,8888(r9,r0)"); 255 COMPARE(oy(r8, MemOperand(r4, 321)), "e38041410056 oy\tr8,321(r4)"); 256 COMPARE(xy(r5, MemOperand(r3, r2, 0)), "e35320000057 xy\tr5,0(r3,r2)"); 257 COMPARE(cy(r9, MemOperand(r4, 321)), "e39041410059 cy\tr9,321(r4)"); 258 COMPARE(ahy(r1, MemOperand(r5, r6, 8888)), 259 "e31562b8027a ahy\tr1,8888(r5,r6)"); 260 COMPARE(shy(r1, MemOperand(r5, r6, 8888)), 261 "e31562b8027b shy\tr1,8888(r5,r6)"); 262 COMPARE(lb(r7, MemOperand(sp, 15)), "e370f00f0076 lb\tr7,15(sp)"); 263 COMPARE(ly(r0, MemOperand(r1, r2, 321)), "e30121410058 ly\tr0,321(r1,r2)"); 264 COMPARE(aly(r9, MemOperand(r2, r3, 10)), "e392300a005e aly\tr9,10(r2,r3)"); 265 COMPARE(sly(r2, MemOperand(r9, r1, 15)), "e329100f005f sly\tr2,15(r9,r1)"); 266 COMPARE(llh(r4, MemOperand(r1, 10)), "e340100a0095 llh\tr4,10(r1)"); 267 COMPARE(llc(r0, MemOperand(r4, r5, 30)), "e304501e0094 llc\tr0,30(r4,r5)"); 268 COMPARE(chy(r9, MemOperand(r8, r7, 30)), "e398701e0079 chy\tr9,30(r8,r7)"); 269 COMPARE(cly(r8, MemOperand(r5, r4, 14)), "e385400e0055 cly\tr8,14(r5,r4)"); 270 COMPARE(sty(r0, MemOperand(r0, 15)), "e300000f0050 sty\tr0,15(r0)"); 271 COMPARE(mvhi(MemOperand(r7, 25), Operand(100)), 272 "e54c70190064 mvhi\t25(r7),100"); 273 COMPARE(slfi(r4, Operand(100)), "c24500000064 slfi\tr4,100"); 274 COMPARE(msfi(r8, Operand(1000)), "c281000003e8 msfi\tr8,1000"); 275 #endif 276 COMPARE(iihf(r6, Operand(9)), "c06800000009 iihf\tr6,9"); 277 COMPARE(srlk(r1, r3, r2), "eb13200000de srlk\tr1,r3,0(r2)"); 278 COMPARE(srlk(r1, r3, Operand(2)), "eb13000200de srlk\tr1,r3,2(r0)"); 279 COMPARE(lmy(r9, r10, MemOperand(r8, 100)), 280 "eb9a80640098 lmy\tr9,r10,100(r8)"); 281 COMPARE(lmg(r7, r8, MemOperand(r9, 100)), 282 "eb7890640004 lmg\tr7,r8,100(r9)"); 283 COMPARE(lay(fp, MemOperand(sp, 8000)), "e3b0ff400171 lay\tfp,8000(sp)"); 284 COMPARE(cliy(MemOperand(sp, 80), Operand(80)), 285 "eb50f0500055 cliy\t80(sp),80"); 286 COMPARE(tmy(MemOperand(r0, 20), Operand(10)), 287 "eb0a00140051 tmy\t20(r0),10"); 288 COMPARE(clg(r9, MemOperand(r6, r7, 19)), "e39670130021 clg\tr9,19(r6,r7)"); 289 COMPARE(bctg(r8, MemOperand(sp, 10)), "e380f00a0046 bctg\tr8,10(sp)"); 290 COMPARE(icy(r2, MemOperand(r3, 2)), "e32030020073 icy\tr2,2(r3)"); 291 COMPARE(mvc(MemOperand(r9, 9), MemOperand(r3, 15), 10), 292 "d2099009300f mvc\t9(9,r9),15(r3)"); 293 COMPARE(nilf(r0, Operand(8000)), "c00b00001f40 nilf\tr0,8000"); 294 COMPARE(oilf(r9, Operand(1000)), "c09d000003e8 oilf\tr9,1000"); 295 296 VERIFY_RUN(); 297 } 298
