1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #include <stdio.h> 29 #include <inttypes.h> 30 #include <string.h> 31 32 int arm64_disassemble(uint32_t code, char* instr); 33 34 struct test_table_entry_t 35 { 36 uint32_t code; 37 const char *instr; 38 }; 39 static test_table_entry_t test_table [] = 40 { 41 { 0x91000240, "add x0, x18, #0x0, lsl #0" }, 42 { 0x9140041f, "add sp, x0, #0x1, lsl #12" }, 43 { 0x917ffff2, "add x18, sp, #0xfff, lsl #12" }, 44 45 { 0xd13ffe40, "sub x0, x18, #0xfff, lsl #0" }, 46 { 0xd140001f, "sub sp, x0, #0x0, lsl #12" }, 47 { 0xd14007f2, "sub x18, sp, #0x1, lsl #12" }, 48 49 { 0x8b1e0200, "add x0, x16, x30, lsl #0" }, 50 { 0x8b507fdf, "add xzr, x30, x16, lsr #31" }, 51 { 0x8b8043f0, "add x16, xzr, x0, asr #16" }, 52 { 0x8b5f401e, "add x30, x0, xzr, lsr #16" }, 53 54 55 { 0x4b1e0200, "sub w0, w16, w30, lsl #0" }, 56 { 0x4b507fdf, "sub wzr, w30, w16, lsr #31" }, 57 { 0x4b8043f0, "sub w16, wzr, w0, asr #16" }, 58 { 0x4b5f401e, "sub w30, w0, wzr, lsr #16" }, 59 60 { 0x6b1e0200, "subs w0, w16, w30, lsl #0" }, 61 { 0x6b507fdf, "subs wzr, w30, w16, lsr #31" }, 62 { 0x6b8043f0, "subs w16, wzr, w0, asr #16" }, 63 { 0x6b5f401e, "subs w30, w0, wzr, lsr #16" }, 64 65 { 0x0a1e0200, "and w0, w16, w30, lsl #0" }, 66 { 0x0a507fdf, "and wzr, w30, w16, lsr #31" }, 67 { 0x0a8043f0, "and w16, wzr, w0, asr #16" }, 68 { 0x0adf401e, "and w30, w0, wzr, ror #16" }, 69 70 { 0x2a1e0200, "orr w0, w16, w30, lsl #0" }, 71 { 0x2a507fdf, "orr wzr, w30, w16, lsr #31" }, 72 { 0x2a8043f0, "orr w16, wzr, w0, asr #16" }, 73 { 0x2adf401e, "orr w30, w0, wzr, ror #16" }, 74 75 { 0x2a3e0200, "orn w0, w16, w30, lsl #0" }, 76 { 0x2a707fdf, "orn wzr, w30, w16, lsr #31" }, 77 { 0x2aa043f0, "orn w16, wzr, w0, asr #16" }, 78 { 0x2aff401e, "orn w30, w0, wzr, ror #16" }, 79 80 { 0x729fffe0, "movk w0, #0xffff, lsl #0" }, 81 { 0x72a0000f, "movk w15, #0x0, lsl #16" }, 82 { 0x7281fffe, "movk w30, #0xfff, lsl #0" }, 83 { 0x72a0003f, "movk wzr, #0x1, lsl #16" }, 84 85 { 0x529fffe0, "movz w0, #0xffff, lsl #0" }, 86 { 0x52a0000f, "movz w15, #0x0, lsl #16" }, 87 { 0x5281fffe, "movz w30, #0xfff, lsl #0" }, 88 { 0x52a0003f, "movz wzr, #0x1, lsl #16" }, 89 90 { 0xd29fffe0, "movz x0, #0xffff, lsl #0" }, 91 { 0xd2a0000f, "movz x15, #0x0, lsl #16" }, 92 { 0xd2c1fffe, "movz x30, #0xfff, lsl #32" }, 93 { 0xd2e0003f, "movz xzr, #0x1, lsl #48" }, 94 95 { 0x1a8003e0, "csel w0, wzr, w0, eq" }, 96 { 0x1a831001, "csel w1, w0, w3, ne" }, 97 { 0x1a9e2022, "csel w2, w1, w30, cs" }, 98 { 0x1a8a3083, "csel w3, w4, w10, cc" }, 99 { 0x1a8b40e4, "csel w4, w7, w11, mi" }, 100 { 0x1a9b5105, "csel w5, w8, w27, pl" }, 101 { 0x1a846167, "csel w7, w11, w4, vs" }, 102 { 0x1a8671c8, "csel w8, w14, w6, vc" }, 103 { 0x1a878289, "csel w9, w20, w7, hi" }, 104 { 0x1a8c92aa, "csel w10, w21, w12, ls" }, 105 { 0x1a8ea2ce, "csel w14, w22, w14, ge" }, 106 { 0x1a9fb3b2, "csel w18, w29, wzr, lt" }, 107 { 0x1a9fc3d8, "csel w24, w30, wzr, gt" }, 108 { 0x1a82d17e, "csel w30, w11, w2, le" }, 109 { 0x1a81e19f, "csel wzr, w12, w1, al" }, 110 111 { 0x9a8003e0, "csel x0, xzr, x0, eq" }, 112 { 0x9a831001, "csel x1, x0, x3, ne" }, 113 { 0x9a9e2022, "csel x2, x1, x30, cs" }, 114 { 0x9a8a3083, "csel x3, x4, x10, cc" }, 115 { 0x9a8b40e4, "csel x4, x7, x11, mi" }, 116 { 0x9a9b5105, "csel x5, x8, x27, pl" }, 117 { 0x9a846167, "csel x7, x11, x4, vs" }, 118 { 0x9a8671c8, "csel x8, x14, x6, vc" }, 119 { 0x9a878289, "csel x9, x20, x7, hi" }, 120 { 0x9a8c92aa, "csel x10, x21, x12, ls" }, 121 { 0x9a8ea2ce, "csel x14, x22, x14, ge" }, 122 { 0x9a9fb3b2, "csel x18, x29, xzr, lt" }, 123 { 0x9a9fc3d8, "csel x24, x30, xzr, gt" }, 124 { 0x9a82d17e, "csel x30, x11, x2, le" }, 125 { 0x9a81e19f, "csel xzr, x12, x1, al" }, 126 127 { 0x5a8003e0, "csinv w0, wzr, w0, eq" }, 128 { 0x5a831001, "csinv w1, w0, w3, ne" }, 129 { 0x5a9e2022, "csinv w2, w1, w30, cs" }, 130 { 0x5a8a3083, "csinv w3, w4, w10, cc" }, 131 { 0x5a8b40e4, "csinv w4, w7, w11, mi" }, 132 { 0x5a9b5105, "csinv w5, w8, w27, pl" }, 133 { 0x5a846167, "csinv w7, w11, w4, vs" }, 134 { 0x5a8671c8, "csinv w8, w14, w6, vc" }, 135 { 0x5a878289, "csinv w9, w20, w7, hi" }, 136 { 0x5a8c92aa, "csinv w10, w21, w12, ls" }, 137 { 0x5a8ea2ce, "csinv w14, w22, w14, ge" }, 138 { 0x5a9fb3b2, "csinv w18, w29, wzr, lt" }, 139 { 0x5a9fc3d8, "csinv w24, w30, wzr, gt" }, 140 { 0x5a82d17e, "csinv w30, w11, w2, le" }, 141 { 0x5a81e19f, "csinv wzr, w12, w1, al" }, 142 143 { 0x1b1f3fc0, "madd w0, w30, wzr, w15" }, 144 { 0x1b0079ef, "madd w15, w15, w0, w30" }, 145 { 0x1b0f7ffe, "madd w30, wzr, w15, wzr" }, 146 { 0x1b1e001f, "madd wzr, w0, w30, w0" }, 147 148 { 0x9b3f3fc0, "smaddl x0, w30, wzr, x15" }, 149 { 0x9b2079ef, "smaddl x15, w15, w0, x30" }, 150 { 0x9b2f7ffe, "smaddl x30, wzr, w15, xzr" }, 151 { 0x9b3e001f, "smaddl xzr, w0, w30, x0" }, 152 153 { 0xd65f0000, "ret x0" }, 154 { 0xd65f01e0, "ret x15" }, 155 { 0xd65f03c0, "ret x30" }, 156 { 0xd65f03e0, "ret xzr" }, 157 158 { 0xb87f4be0, "ldr w0, [sp, wzr, uxtw #0]" }, 159 { 0xb87ed80f, "ldr w15, [x0, w30, sxtw #2]" }, 160 { 0xb86fc9fe, "ldr w30, [x15, w15, sxtw #0]" }, 161 { 0xb8605bdf, "ldr wzr, [x30, w0, uxtw #2]" }, 162 { 0xb87febe0, "ldr w0, [sp, xzr, sxtx #0]" }, 163 { 0xb87e780f, "ldr w15, [x0, x30, lsl #2]" }, 164 { 0xb86f69fe, "ldr w30, [x15, x15, lsl #0]" }, 165 { 0xb860fbdf, "ldr wzr, [x30, x0, sxtx #2]" }, 166 167 { 0xb83f4be0, "str w0, [sp, wzr, uxtw #0]" }, 168 { 0xb83ed80f, "str w15, [x0, w30, sxtw #2]" }, 169 { 0xb82fc9fe, "str w30, [x15, w15, sxtw #0]" }, 170 { 0xb8205bdf, "str wzr, [x30, w0, uxtw #2]" }, 171 { 0xb83febe0, "str w0, [sp, xzr, sxtx #0]" }, 172 { 0xb83e780f, "str w15, [x0, x30, lsl #2]" }, 173 { 0xb82f69fe, "str w30, [x15, x15, lsl #0]" }, 174 { 0xb820fbdf, "str wzr, [x30, x0, sxtx #2]" }, 175 176 { 0x787f4be0, "ldrh w0, [sp, wzr, uxtw #0]" }, 177 { 0x787ed80f, "ldrh w15, [x0, w30, sxtw #1]" }, 178 { 0x786fc9fe, "ldrh w30, [x15, w15, sxtw #0]" }, 179 { 0x78605bdf, "ldrh wzr, [x30, w0, uxtw #1]" }, 180 { 0x787febe0, "ldrh w0, [sp, xzr, sxtx #0]" }, 181 { 0x787e780f, "ldrh w15, [x0, x30, lsl #1]" }, 182 { 0x786f69fe, "ldrh w30, [x15, x15, lsl #0]" }, 183 { 0x7860fbdf, "ldrh wzr, [x30, x0, sxtx #1]" }, 184 185 { 0x783f4be0, "strh w0, [sp, wzr, uxtw #0]" }, 186 { 0x783ed80f, "strh w15, [x0, w30, sxtw #1]" }, 187 { 0x782fc9fe, "strh w30, [x15, w15, sxtw #0]" }, 188 { 0x78205bdf, "strh wzr, [x30, w0, uxtw #1]" }, 189 { 0x783febe0, "strh w0, [sp, xzr, sxtx #0]" }, 190 { 0x783e780f, "strh w15, [x0, x30, lsl #1]" }, 191 { 0x782f69fe, "strh w30, [x15, x15, lsl #0]" }, 192 { 0x7820fbdf, "strh wzr, [x30, x0, sxtx #1]" }, 193 194 { 0x387f5be0, "ldrb w0, [sp, wzr, uxtw #0]" }, 195 { 0x387ec80f, "ldrb w15, [x0, w30, sxtw ]" }, 196 { 0x386fd9fe, "ldrb w30, [x15, w15, sxtw #0]" }, 197 { 0x38604bdf, "ldrb wzr, [x30, w0, uxtw ]" }, 198 { 0x387ffbe0, "ldrb w0, [sp, xzr, sxtx #0]" }, 199 { 0x387e780f, "ldrb w15, [x0, x30, lsl #0]" }, 200 { 0x386f79fe, "ldrb w30, [x15, x15, lsl #0]" }, 201 { 0x3860ebdf, "ldrb wzr, [x30, x0, sxtx ]" }, 202 203 { 0x383f5be0, "strb w0, [sp, wzr, uxtw #0]" }, 204 { 0x383ec80f, "strb w15, [x0, w30, sxtw ]" }, 205 { 0x382fd9fe, "strb w30, [x15, w15, sxtw #0]" }, 206 { 0x38204bdf, "strb wzr, [x30, w0, uxtw ]" }, 207 { 0x383ffbe0, "strb w0, [sp, xzr, sxtx #0]" }, 208 { 0x383e780f, "strb w15, [x0, x30, lsl #0]" }, 209 { 0x382f79fe, "strb w30, [x15, x15, lsl #0]" }, 210 { 0x3820ebdf, "strb wzr, [x30, x0, sxtx ]" }, 211 212 { 0xf87f4be0, "ldr x0, [sp, wzr, uxtw #0]" }, 213 { 0xf87ed80f, "ldr x15, [x0, w30, sxtw #3]" }, 214 { 0xf86fc9fe, "ldr x30, [x15, w15, sxtw #0]" }, 215 { 0xf8605bdf, "ldr xzr, [x30, w0, uxtw #3]" }, 216 { 0xf87febe0, "ldr x0, [sp, xzr, sxtx #0]" }, 217 { 0xf87e780f, "ldr x15, [x0, x30, lsl #3]" }, 218 { 0xf86f69fe, "ldr x30, [x15, x15, lsl #0]" }, 219 { 0xf860fbdf, "ldr xzr, [x30, x0, sxtx #3]" }, 220 221 { 0xf83f4be0, "str x0, [sp, wzr, uxtw #0]" }, 222 { 0xf83ed80f, "str x15, [x0, w30, sxtw #3]" }, 223 { 0xf82fc9fe, "str x30, [x15, w15, sxtw #0]" }, 224 { 0xf8205bdf, "str xzr, [x30, w0, uxtw #3]" }, 225 { 0xf83febe0, "str x0, [sp, xzr, sxtx #0]" }, 226 { 0xf83e780f, "str x15, [x0, x30, lsl #3]" }, 227 { 0xf82f69fe, "str x30, [x15, x15, lsl #0]" }, 228 { 0xf820fbdf, "str xzr, [x30, x0, sxtx #3]" }, 229 230 { 0xb85007e0, "ldr w0, [sp], #-256" }, 231 { 0xb840040f, "ldr w15, [x0], #0" }, 232 { 0xb84015fe, "ldr w30, [x15], #1" }, 233 { 0xb84ff7df, "ldr wzr, [x30], #255" }, 234 { 0xb8100fe0, "str w0, [sp, #-256]!" }, 235 { 0xb8000c0f, "str w15, [x0, #0]!" }, 236 { 0xb8001dfe, "str w30, [x15, #1]!" }, 237 { 0xb80fffdf, "str wzr, [x30, #255]!" }, 238 239 { 0x13017be0, "sbfm w0, wzr, #1, #30" }, 240 { 0x131e7fcf, "sbfm w15, w30, #30, #31" }, 241 { 0x131f01fe, "sbfm w30, w15, #31, #0" }, 242 { 0x1300041f, "sbfm wzr, w0, #0, #1" }, 243 244 { 0x53017be0, "ubfm w0, wzr, #1, #30" }, 245 { 0x531e7fcf, "ubfm w15, w30, #30, #31" }, 246 { 0x531f01fe, "ubfm w30, w15, #31, #0" }, 247 { 0x5300041f, "ubfm wzr, w0, #0, #1" }, 248 { 0xd3417fe0, "ubfm x0, xzr, #1, #31" }, 249 { 0xd35fffcf, "ubfm x15, x30, #31, #63" }, 250 { 0xd35f01fe, "ubfm x30, x15, #31, #0" }, 251 { 0xd340041f, "ubfm xzr, x0, #0, #1" }, 252 253 { 0x139e7be0, "extr w0, wzr, w30, #30" }, 254 { 0x138f7fcf, "extr w15, w30, w15, #31" }, 255 { 0x138001fe, "extr w30, w15, w0, #0" }, 256 { 0x139f041f, "extr wzr, w0, wzr, #1" }, 257 258 { 0x54000020, "b.eq #.+4" }, 259 { 0x54000201, "b.ne #.+64" }, 260 { 0x54000802, "b.cs #.+256" }, 261 { 0x54002003, "b.cc #.+1024" }, 262 { 0x54008004, "b.mi #.+4096" }, 263 { 0x54ffffe5, "b.pl #.-4" }, 264 { 0x54ffff06, "b.vs #.-32" }, 265 { 0x54fffc07, "b.vc #.-128" }, 266 { 0x54fff008, "b.hi #.-512" }, 267 { 0x54000049, "b.ls #.+8" }, 268 { 0x5400006a, "b.ge #.+12" }, 269 { 0x5400008b, "b.lt #.+16" }, 270 { 0x54ffffcc, "b.gt #.-8" }, 271 { 0x54ffffad, "b.le #.-12" }, 272 { 0x54ffff8e, "b.al #.-16" }, 273 274 { 0x8b2001e0, "add x0, x15, w0, uxtb #0" }, 275 { 0x8b2f27cf, "add x15, x30, w15, uxth #1" }, 276 { 0x8b3e4bfe, "add x30, sp, w30, uxtw #2" }, 277 { 0x8b3f6c1f, "add sp, x0, xzr, uxtx #3" }, 278 { 0x8b2091e0, "add x0, x15, w0, sxtb #4" }, 279 { 0x8b2fa3cf, "add x15, x30, w15, sxth #0" }, 280 { 0x8b3ec7fe, "add x30, sp, w30, sxtw #1" }, 281 { 0x8b3fe81f, "add sp, x0, xzr, sxtx #2" }, 282 283 { 0xcb2001e0, "sub x0, x15, w0, uxtb #0" }, 284 { 0xcb2f27cf, "sub x15, x30, w15, uxth #1" }, 285 { 0xcb3e4bfe, "sub x30, sp, w30, uxtw #2" }, 286 { 0xcb3f6c1f, "sub sp, x0, xzr, uxtx #3" }, 287 { 0xcb2091e0, "sub x0, x15, w0, sxtb #4" }, 288 { 0xcb2fa3cf, "sub x15, x30, w15, sxth #0" }, 289 { 0xcb3ec7fe, "sub x30, sp, w30, sxtw #1" }, 290 { 0xcb3fe81f, "sub sp, x0, xzr, sxtx #2" } 291 }; 292 293 int main() 294 { 295 char instr[256]; 296 uint32_t failed = 0; 297 for(uint32_t i = 0; i < sizeof(test_table)/sizeof(test_table_entry_t); ++i) 298 { 299 test_table_entry_t *test; 300 test = &test_table[i]; 301 arm64_disassemble(test->code, instr); 302 if(strcmp(instr, test->instr) != 0) 303 { 304 printf("Test Failed \n" 305 "Code : 0x%0x\n" 306 "Expected : %s\n" 307 "Actual : %s\n", test->code, test->instr, instr); 308 failed++; 309 } 310 } 311 if(failed == 0) 312 { 313 printf("All tests PASSED\n"); 314 return 0; 315 } 316 else 317 { 318 printf("%d tests FAILED\n", failed); 319 return -1; 320 } 321 } 322
