1 # Copyright (C) 2007 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 15 # 16 # Bytecode definition file 17 # 18 19 # One line per instruction format family. Each line consists of a 20 # series of instruction formats that all take (potentially) compatible 21 # arguments. The order is the preferred order (most to least 22 # preferable) of formats, when more than one opcode could be used for 23 # a given instruction's arguments. 24 # 25 # Note: The family that starts with 12x has a mix of both two- and 26 # three- register formats. This is because some of the two-register 27 # opcodes effectively take three, with a destination and two sources 28 # where the destination and one of the sources have to be the same. 29 30 # Regular formats 31 format 10t 20t 30t 32 format 10x 33 format 11n 21s 21h 31i 51l 34 format 11x 35 format 12x 22x 23x 32x # See note, above. 36 format 21c 31c 37 format 21t 31t 38 format 22b 22s 39 format 22c 40 format 22t 41 format 35c 3rc 42 43 # Optimized formats 44 format 00x 45 format 20bc 46 format 22cs 47 format 35mi 48 format 35ms 49 format 3rmi 50 format 3rms 51 52 # One line per opcode. Columns are: 53 # hex for opcode 54 # opcode name 55 # format 56 # has result register; one of: 57 # y 58 # n 59 # index type; one of: 60 # unknown -- used for undefined opcodes and breakpoint 61 # none 62 # varies 63 # type-ref 64 # string-ref 65 # method-ref 66 # field-ref 67 # inline-method 68 # vtable-offset 69 # field-offset 70 # flags; pipe-combined combo of one or more of: 71 # optimized -- optimized; not to be included in unoptimized dex files 72 # branch -- might branch to an address 73 # continue -- might continue to the next address in sequence 74 # switch -- is a switch 75 # throw -- might throw an exception 76 # return -- is a return from method 77 # invoke -- is a method invoke; this is only used for true 78 # method invokes and notably *not* vm-implemented 79 # execute-inline nor the nop-equivalent 80 # invoke-direct-empty 81 82 # 83 # Regular opcodes (with a couple holes) 84 # 85 86 op 00 nop 10x n none continue 87 op 01 move 12x y none continue 88 op 02 move/from16 22x y none continue 89 op 03 move/16 32x y none continue 90 op 04 move-wide 12x y none continue 91 op 05 move-wide/from16 22x y none continue 92 op 06 move-wide/16 32x y none continue 93 op 07 move-object 12x y none continue 94 op 08 move-object/from16 22x y none continue 95 op 09 move-object/16 32x y none continue 96 op 0a move-result 11x y none continue 97 op 0b move-result-wide 11x y none continue 98 op 0c move-result-object 11x y none continue 99 op 0d move-exception 11x y none continue 100 op 0e return-void 10x n none return 101 op 0f return 11x n none return 102 op 10 return-wide 11x n none return 103 op 11 return-object 11x n none return 104 op 12 const/4 11n y none continue 105 op 13 const/16 21s y none continue 106 op 14 const 31i y none continue 107 op 15 const/high16 21h y none continue 108 op 16 const-wide/16 21s y none continue 109 op 17 const-wide/32 31i y none continue 110 op 18 const-wide 51l y none continue 111 op 19 const-wide/high16 21h y none continue 112 op 1a const-string 21c y string-ref continue|throw 113 op 1b const-string/jumbo 31c y string-ref continue|throw 114 op 1c const-class 21c y type-ref continue|throw 115 op 1d monitor-enter 11x n none continue|throw 116 op 1e monitor-exit 11x n none continue|throw 117 op 1f check-cast 21c y type-ref continue|throw 118 op 20 instance-of 22c y type-ref continue|throw 119 op 21 array-length 12x y none continue|throw 120 op 22 new-instance 21c y type-ref continue|throw 121 op 23 new-array 22c y type-ref continue|throw 122 op 24 filled-new-array 35c n type-ref continue|throw 123 op 25 filled-new-array/range 3rc n type-ref continue|throw 124 op 26 fill-array-data 31t n none continue 125 op 27 throw 11x n none throw 126 op 28 goto 10t n none branch 127 op 29 goto/16 20t n none branch 128 op 2a goto/32 30t n none branch 129 op 2b packed-switch 31t n none continue|switch 130 op 2c sparse-switch 31t n none continue|switch 131 op 2d cmpl-float 23x y none continue 132 op 2e cmpg-float 23x y none continue 133 op 2f cmpl-double 23x y none continue 134 op 30 cmpg-double 23x y none continue 135 op 31 cmp-long 23x y none continue 136 op 32 if-eq 22t n none continue|branch 137 op 33 if-ne 22t n none continue|branch 138 op 34 if-lt 22t n none continue|branch 139 op 35 if-ge 22t n none continue|branch 140 op 36 if-gt 22t n none continue|branch 141 op 37 if-le 22t n none continue|branch 142 op 38 if-eqz 21t n none continue|branch 143 op 39 if-nez 21t n none continue|branch 144 op 3a if-ltz 21t n none continue|branch 145 op 3b if-gez 21t n none continue|branch 146 op 3c if-gtz 21t n none continue|branch 147 op 3d if-lez 21t n none continue|branch 148 # unused: op 3e..43 149 op 44 aget 23x y none continue|throw 150 op 45 aget-wide 23x y none continue|throw 151 op 46 aget-object 23x y none continue|throw 152 op 47 aget-boolean 23x y none continue|throw 153 op 48 aget-byte 23x y none continue|throw 154 op 49 aget-char 23x y none continue|throw 155 op 4a aget-short 23x y none continue|throw 156 op 4b aput 23x n none continue|throw 157 op 4c aput-wide 23x n none continue|throw 158 op 4d aput-object 23x n none continue|throw 159 op 4e aput-boolean 23x n none continue|throw 160 op 4f aput-byte 23x n none continue|throw 161 op 50 aput-char 23x n none continue|throw 162 op 51 aput-short 23x n none continue|throw 163 op 52 iget 22c y field-ref continue|throw 164 op 53 iget-wide 22c y field-ref continue|throw 165 op 54 iget-object 22c y field-ref continue|throw 166 op 55 iget-boolean 22c y field-ref continue|throw 167 op 56 iget-byte 22c y field-ref continue|throw 168 op 57 iget-char 22c y field-ref continue|throw 169 op 58 iget-short 22c y field-ref continue|throw 170 op 59 iput 22c n field-ref continue|throw 171 op 5a iput-wide 22c n field-ref continue|throw 172 op 5b iput-object 22c n field-ref continue|throw 173 op 5c iput-boolean 22c n field-ref continue|throw 174 op 5d iput-byte 22c n field-ref continue|throw 175 op 5e iput-char 22c n field-ref continue|throw 176 op 5f iput-short 22c n field-ref continue|throw 177 op 60 sget 21c y field-ref continue|throw 178 op 61 sget-wide 21c y field-ref continue|throw 179 op 62 sget-object 21c y field-ref continue|throw 180 op 63 sget-boolean 21c y field-ref continue|throw 181 op 64 sget-byte 21c y field-ref continue|throw 182 op 65 sget-char 21c y field-ref continue|throw 183 op 66 sget-short 21c y field-ref continue|throw 184 op 67 sput 21c n field-ref continue|throw 185 op 68 sput-wide 21c n field-ref continue|throw 186 op 69 sput-object 21c n field-ref continue|throw 187 op 6a sput-boolean 21c n field-ref continue|throw 188 op 6b sput-byte 21c n field-ref continue|throw 189 op 6c sput-char 21c n field-ref continue|throw 190 op 6d sput-short 21c n field-ref continue|throw 191 op 6e invoke-virtual 35c n method-ref continue|throw|invoke 192 op 6f invoke-super 35c n method-ref continue|throw|invoke 193 op 70 invoke-direct 35c n method-ref continue|throw|invoke 194 op 71 invoke-static 35c n method-ref continue|throw|invoke 195 op 72 invoke-interface 35c n method-ref continue|throw|invoke 196 # unused: op 73 197 op 74 invoke-virtual/range 3rc n method-ref continue|throw|invoke 198 op 75 invoke-super/range 3rc n method-ref continue|throw|invoke 199 op 76 invoke-direct/range 3rc n method-ref continue|throw|invoke 200 op 77 invoke-static/range 3rc n method-ref continue|throw|invoke 201 op 78 invoke-interface/range 3rc n method-ref continue|throw|invoke 202 # unused: op 79..7a 203 op 7b neg-int 12x y none continue 204 op 7c not-int 12x y none continue 205 op 7d neg-long 12x y none continue 206 op 7e not-long 12x y none continue 207 op 7f neg-float 12x y none continue 208 op 80 neg-double 12x y none continue 209 op 81 int-to-long 12x y none continue 210 op 82 int-to-float 12x y none continue 211 op 83 int-to-double 12x y none continue 212 op 84 long-to-int 12x y none continue 213 op 85 long-to-float 12x y none continue 214 op 86 long-to-double 12x y none continue 215 op 87 float-to-int 12x y none continue 216 op 88 float-to-long 12x y none continue 217 op 89 float-to-double 12x y none continue 218 op 8a double-to-int 12x y none continue 219 op 8b double-to-long 12x y none continue 220 op 8c double-to-float 12x y none continue 221 op 8d int-to-byte 12x y none continue 222 op 8e int-to-char 12x y none continue 223 op 8f int-to-short 12x y none continue 224 op 90 add-int 23x y none continue 225 op 91 sub-int 23x y none continue 226 op 92 mul-int 23x y none continue 227 op 93 div-int 23x y none continue|throw 228 op 94 rem-int 23x y none continue|throw 229 op 95 and-int 23x y none continue 230 op 96 or-int 23x y none continue 231 op 97 xor-int 23x y none continue 232 op 98 shl-int 23x y none continue 233 op 99 shr-int 23x y none continue 234 op 9a ushr-int 23x y none continue 235 op 9b add-long 23x y none continue 236 op 9c sub-long 23x y none continue 237 op 9d mul-long 23x y none continue 238 op 9e div-long 23x y none continue|throw 239 op 9f rem-long 23x y none continue|throw 240 op a0 and-long 23x y none continue 241 op a1 or-long 23x y none continue 242 op a2 xor-long 23x y none continue 243 op a3 shl-long 23x y none continue 244 op a4 shr-long 23x y none continue 245 op a5 ushr-long 23x y none continue 246 op a6 add-float 23x y none continue 247 op a7 sub-float 23x y none continue 248 op a8 mul-float 23x y none continue 249 op a9 div-float 23x y none continue 250 op aa rem-float 23x y none continue 251 op ab add-double 23x y none continue 252 op ac sub-double 23x y none continue 253 op ad mul-double 23x y none continue 254 op ae div-double 23x y none continue 255 op af rem-double 23x y none continue 256 op b0 add-int/2addr 12x y none continue 257 op b1 sub-int/2addr 12x y none continue 258 op b2 mul-int/2addr 12x y none continue 259 op b3 div-int/2addr 12x y none continue|throw 260 op b4 rem-int/2addr 12x y none continue|throw 261 op b5 and-int/2addr 12x y none continue 262 op b6 or-int/2addr 12x y none continue 263 op b7 xor-int/2addr 12x y none continue 264 op b8 shl-int/2addr 12x y none continue 265 op b9 shr-int/2addr 12x y none continue 266 op ba ushr-int/2addr 12x y none continue 267 op bb add-long/2addr 12x y none continue 268 op bc sub-long/2addr 12x y none continue 269 op bd mul-long/2addr 12x y none continue 270 op be div-long/2addr 12x y none continue|throw 271 op bf rem-long/2addr 12x y none continue|throw 272 op c0 and-long/2addr 12x y none continue 273 op c1 or-long/2addr 12x y none continue 274 op c2 xor-long/2addr 12x y none continue 275 op c3 shl-long/2addr 12x y none continue 276 op c4 shr-long/2addr 12x y none continue 277 op c5 ushr-long/2addr 12x y none continue 278 op c6 add-float/2addr 12x y none continue 279 op c7 sub-float/2addr 12x y none continue 280 op c8 mul-float/2addr 12x y none continue 281 op c9 div-float/2addr 12x y none continue 282 op ca rem-float/2addr 12x y none continue 283 op cb add-double/2addr 12x y none continue 284 op cc sub-double/2addr 12x y none continue 285 op cd mul-double/2addr 12x y none continue 286 op ce div-double/2addr 12x y none continue 287 op cf rem-double/2addr 12x y none continue 288 op d0 add-int/lit16 22s y none continue 289 op d1 rsub-int 22s y none continue 290 op d2 mul-int/lit16 22s y none continue 291 op d3 div-int/lit16 22s y none continue|throw 292 op d4 rem-int/lit16 22s y none continue|throw 293 op d5 and-int/lit16 22s y none continue 294 op d6 or-int/lit16 22s y none continue 295 op d7 xor-int/lit16 22s y none continue 296 op d8 add-int/lit8 22b y none continue 297 op d9 rsub-int/lit8 22b y none continue 298 op da mul-int/lit8 22b y none continue 299 op db div-int/lit8 22b y none continue|throw 300 op dc rem-int/lit8 22b y none continue|throw 301 op dd and-int/lit8 22b y none continue 302 op de or-int/lit8 22b y none continue 303 op df xor-int/lit8 22b y none continue 304 op e0 shl-int/lit8 22b y none continue 305 op e1 shr-int/lit8 22b y none continue 306 op e2 ushr-int/lit8 22b y none continue 307 308 # 309 # Optimized opcodes (not valid in an unoptimized dex file) 310 # 311 312 op e3 +iget-volatile 22c y field-ref optimized|continue|throw 313 op e4 +iput-volatile 22c n field-ref optimized|continue|throw 314 op e5 +sget-volatile 21c y field-ref optimized|continue|throw 315 op e6 +sput-volatile 21c n field-ref optimized|continue|throw 316 op e7 +iget-object-volatile 22c y field-ref optimized|continue|throw 317 op e8 +iget-wide-volatile 22c y field-ref optimized|continue|throw 318 op e9 +iput-wide-volatile 22c n field-ref optimized|continue|throw 319 op ea +sget-wide-volatile 21c y field-ref optimized|continue|throw 320 op eb +sput-wide-volatile 21c n field-ref optimized|continue|throw 321 322 # Technically "breakpoint" isn't really an optimized opcode, but it 323 # fits the label in terms of not being valid in regular dex files. 324 op ec ^breakpoint 00x n unknown optimized 325 326 op ed ^throw-verification-error 20bc n varies optimized|throw 327 op ee +execute-inline 35mi n inline-method optimized|continue|throw 328 op ef +execute-inline/range 3rmi n inline-method optimized|continue|throw 329 330 op f0 +invoke-object-init/range 35c n method-ref optimized|continue|throw|invoke 331 op f1 +return-void-barrier 10x n none optimized|return 332 op f2 +iget-quick 22cs y field-offset optimized|continue|throw 333 op f3 +iget-wide-quick 22cs y field-offset optimized|continue|throw 334 op f4 +iget-object-quick 22cs y field-offset optimized|continue|throw 335 op f5 +iput-quick 22cs n field-offset optimized|continue|throw 336 op f6 +iput-wide-quick 22cs n field-offset optimized|continue|throw 337 op f7 +iput-object-quick 22cs n field-offset optimized|continue|throw 338 op f8 +invoke-virtual-quick 35ms n vtable-offset optimized|continue|throw|invoke 339 op f9 +invoke-virtual-quick/range 3rms n vtable-offset optimized|continue|throw|invoke 340 op fa +invoke-super-quick 35ms n vtable-offset optimized|continue|throw|invoke 341 op fb +invoke-super-quick/range 3rms n vtable-offset optimized|continue|throw|invoke 342 op fc +iput-object-volatile 22c n field-ref optimized|continue|throw 343 op fd +sget-object-volatile 21c y field-ref optimized|continue|throw 344 op fe +sput-object-volatile 21c n field-ref optimized|continue|throw 345 346 # unused: op ff 347
