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 31format 10t 20t 30t 32format 10x 33format 11n 21s 21h 31i 51l 34format 11x 35format 12x 22x 23x 32x 33x # See note, above. 36format 21c 31c 41c 37format 21t 31t 38format 22b 22s 32s 39format 22c 52c 40format 22t 41format 35c 3rc 5rc 42 43# Optimized formats 44format 00x 45format 20bc 46format 22cs 47format 35mi 48format 35ms 49format 3rmi 50format 3rms 51format 40sc 52 53# One line per opcode. Columns are: 54# hex for opcode 55# opcode name 56# format 57# has result register; one of: 58# y 59# n 60# index type; one of: 61# unknown -- used for undefined opcodes and breakpoint 62# none 63# varies 64# type-ref 65# string-ref 66# method-ref 67# field-ref 68# inline-method 69# vtable-offset 70# field-offset 71# flags; pipe-combined combo of one or more of: 72# optimized -- optimized; not to be included in unoptimized dex files 73# branch -- might branch to an address 74# continue -- might continue to the next address in sequence 75# switch -- is a switch 76# throw -- might throw an exception 77# return -- is a return from method 78# invoke -- is a method invoke; this is only used for true 79# method invokes and notably *not* vm-implemented 80# execute-inline nor the nop-equivalent 81# invoke-direct-empty 82 83# 84# Regular opcodes (with a couple holes) 85# 86 87op 00 nop 10x n none continue 88op 01 move 12x y none continue 89op 02 move/from16 22x y none continue 90op 03 move/16 32x y none continue 91op 04 move-wide 12x y none continue 92op 05 move-wide/from16 22x y none continue 93op 06 move-wide/16 32x y none continue 94op 07 move-object 12x y none continue 95op 08 move-object/from16 22x y none continue 96op 09 move-object/16 32x y none continue 97op 0a move-result 11x y none continue 98op 0b move-result-wide 11x y none continue 99op 0c move-result-object 11x y none continue 100op 0d move-exception 11x y none continue 101op 0e return-void 10x n none return 102op 0f return 11x n none return 103op 10 return-wide 11x n none return 104op 11 return-object 11x n none return 105op 12 const/4 11n y none continue 106op 13 const/16 21s y none continue 107op 14 const 31i y none continue 108op 15 const/high16 21h y none continue 109op 16 const-wide/16 21s y none continue 110op 17 const-wide/32 31i y none continue 111op 18 const-wide 51l y none continue 112op 19 const-wide/high16 21h y none continue 113op 1a const-string 21c y string-ref continue|throw 114op 1b const-string/jumbo 31c y string-ref continue|throw 115op 1c const-class 21c y type-ref continue|throw 116op 1d monitor-enter 11x n none continue|throw 117op 1e monitor-exit 11x n none continue|throw 118op 1f check-cast 21c y type-ref continue|throw 119op 20 instance-of 22c y type-ref continue|throw 120op 21 array-length 12x y none continue|throw 121op 22 new-instance 21c y type-ref continue|throw 122op 23 new-array 22c y type-ref continue|throw 123op 24 filled-new-array 35c n type-ref continue|throw 124op 25 filled-new-array/range 3rc n type-ref continue|throw 125op 26 fill-array-data 31t n none continue 126op 27 throw 11x n none throw 127op 28 goto 10t n none branch 128op 29 goto/16 20t n none branch 129op 2a goto/32 30t n none branch 130op 2b packed-switch 31t n none continue|switch 131op 2c sparse-switch 31t n none continue|switch 132op 2d cmpl-float 23x y none continue 133op 2e cmpg-float 23x y none continue 134op 2f cmpl-double 23x y none continue 135op 30 cmpg-double 23x y none continue 136op 31 cmp-long 23x y none continue 137op 32 if-eq 22t n none continue|branch 138op 33 if-ne 22t n none continue|branch 139op 34 if-lt 22t n none continue|branch 140op 35 if-ge 22t n none continue|branch 141op 36 if-gt 22t n none continue|branch 142op 37 if-le 22t n none continue|branch 143op 38 if-eqz 21t n none continue|branch 144op 39 if-nez 21t n none continue|branch 145op 3a if-ltz 21t n none continue|branch 146op 3b if-gez 21t n none continue|branch 147op 3c if-gtz 21t n none continue|branch 148op 3d if-lez 21t n none continue|branch 149# unused: op 3e..43 150op 44 aget 23x y none continue|throw 151op 45 aget-wide 23x y none continue|throw 152op 46 aget-object 23x y none continue|throw 153op 47 aget-boolean 23x y none continue|throw 154op 48 aget-byte 23x y none continue|throw 155op 49 aget-char 23x y none continue|throw 156op 4a aget-short 23x y none continue|throw 157op 4b aput 23x n none continue|throw 158op 4c aput-wide 23x n none continue|throw 159op 4d aput-object 23x n none continue|throw 160op 4e aput-boolean 23x n none continue|throw 161op 4f aput-byte 23x n none continue|throw 162op 50 aput-char 23x n none continue|throw 163op 51 aput-short 23x n none continue|throw 164op 52 iget 22c y field-ref continue|throw 165op 53 iget-wide 22c y field-ref continue|throw 166op 54 iget-object 22c y field-ref continue|throw 167op 55 iget-boolean 22c y field-ref continue|throw 168op 56 iget-byte 22c y field-ref continue|throw 169op 57 iget-char 22c y field-ref continue|throw 170op 58 iget-short 22c y field-ref continue|throw 171op 59 iput 22c n field-ref continue|throw 172op 5a iput-wide 22c n field-ref continue|throw 173op 5b iput-object 22c n field-ref continue|throw 174op 5c iput-boolean 22c n field-ref continue|throw 175op 5d iput-byte 22c n field-ref continue|throw 176op 5e iput-char 22c n field-ref continue|throw 177op 5f iput-short 22c n field-ref continue|throw 178op 60 sget 21c y field-ref continue|throw 179op 61 sget-wide 21c y field-ref continue|throw 180op 62 sget-object 21c y field-ref continue|throw 181op 63 sget-boolean 21c y field-ref continue|throw 182op 64 sget-byte 21c y field-ref continue|throw 183op 65 sget-char 21c y field-ref continue|throw 184op 66 sget-short 21c y field-ref continue|throw 185op 67 sput 21c n field-ref continue|throw 186op 68 sput-wide 21c n field-ref continue|throw 187op 69 sput-object 21c n field-ref continue|throw 188op 6a sput-boolean 21c n field-ref continue|throw 189op 6b sput-byte 21c n field-ref continue|throw 190op 6c sput-char 21c n field-ref continue|throw 191op 6d sput-short 21c n field-ref continue|throw 192op 6e invoke-virtual 35c n method-ref continue|throw|invoke 193op 6f invoke-super 35c n method-ref continue|throw|invoke 194op 70 invoke-direct 35c n method-ref continue|throw|invoke 195op 71 invoke-static 35c n method-ref continue|throw|invoke 196op 72 invoke-interface 35c n method-ref continue|throw|invoke 197# unused: op 73 198op 74 invoke-virtual/range 3rc n method-ref continue|throw|invoke 199op 75 invoke-super/range 3rc n method-ref continue|throw|invoke 200op 76 invoke-direct/range 3rc n method-ref continue|throw|invoke 201op 77 invoke-static/range 3rc n method-ref continue|throw|invoke 202op 78 invoke-interface/range 3rc n method-ref continue|throw|invoke 203# unused: op 79..7a 204op 7b neg-int 12x y none continue 205op 7c not-int 12x y none continue 206op 7d neg-long 12x y none continue 207op 7e not-long 12x y none continue 208op 7f neg-float 12x y none continue 209op 80 neg-double 12x y none continue 210op 81 int-to-long 12x y none continue 211op 82 int-to-float 12x y none continue 212op 83 int-to-double 12x y none continue 213op 84 long-to-int 12x y none continue 214op 85 long-to-float 12x y none continue 215op 86 long-to-double 12x y none continue 216op 87 float-to-int 12x y none continue 217op 88 float-to-long 12x y none continue 218op 89 float-to-double 12x y none continue 219op 8a double-to-int 12x y none continue 220op 8b double-to-long 12x y none continue 221op 8c double-to-float 12x y none continue 222op 8d int-to-byte 12x y none continue 223op 8e int-to-char 12x y none continue 224op 8f int-to-short 12x y none continue 225op 90 add-int 23x y none continue 226op 91 sub-int 23x y none continue 227op 92 mul-int 23x y none continue 228op 93 div-int 23x y none continue|throw 229op 94 rem-int 23x y none continue|throw 230op 95 and-int 23x y none continue 231op 96 or-int 23x y none continue 232op 97 xor-int 23x y none continue 233op 98 shl-int 23x y none continue 234op 99 shr-int 23x y none continue 235op 9a ushr-int 23x y none continue 236op 9b add-long 23x y none continue 237op 9c sub-long 23x y none continue 238op 9d mul-long 23x y none continue 239op 9e div-long 23x y none continue|throw 240op 9f rem-long 23x y none continue|throw 241op a0 and-long 23x y none continue 242op a1 or-long 23x y none continue 243op a2 xor-long 23x y none continue 244op a3 shl-long 23x y none continue 245op a4 shr-long 23x y none continue 246op a5 ushr-long 23x y none continue 247op a6 add-float 23x y none continue 248op a7 sub-float 23x y none continue 249op a8 mul-float 23x y none continue 250op a9 div-float 23x y none continue 251op aa rem-float 23x y none continue 252op ab add-double 23x y none continue 253op ac sub-double 23x y none continue 254op ad mul-double 23x y none continue 255op ae div-double 23x y none continue 256op af rem-double 23x y none continue 257op b0 add-int/2addr 12x y none continue 258op b1 sub-int/2addr 12x y none continue 259op b2 mul-int/2addr 12x y none continue 260op b3 div-int/2addr 12x y none continue|throw 261op b4 rem-int/2addr 12x y none continue|throw 262op b5 and-int/2addr 12x y none continue 263op b6 or-int/2addr 12x y none continue 264op b7 xor-int/2addr 12x y none continue 265op b8 shl-int/2addr 12x y none continue 266op b9 shr-int/2addr 12x y none continue 267op ba ushr-int/2addr 12x y none continue 268op bb add-long/2addr 12x y none continue 269op bc sub-long/2addr 12x y none continue 270op bd mul-long/2addr 12x y none continue 271op be div-long/2addr 12x y none continue|throw 272op bf rem-long/2addr 12x y none continue|throw 273op c0 and-long/2addr 12x y none continue 274op c1 or-long/2addr 12x y none continue 275op c2 xor-long/2addr 12x y none continue 276op c3 shl-long/2addr 12x y none continue 277op c4 shr-long/2addr 12x y none continue 278op c5 ushr-long/2addr 12x y none continue 279op c6 add-float/2addr 12x y none continue 280op c7 sub-float/2addr 12x y none continue 281op c8 mul-float/2addr 12x y none continue 282op c9 div-float/2addr 12x y none continue 283op ca rem-float/2addr 12x y none continue 284op cb add-double/2addr 12x y none continue 285op cc sub-double/2addr 12x y none continue 286op cd mul-double/2addr 12x y none continue 287op ce div-double/2addr 12x y none continue 288op cf rem-double/2addr 12x y none continue 289op d0 add-int/lit16 22s y none continue 290op d1 rsub-int 22s y none continue 291op d2 mul-int/lit16 22s y none continue 292op d3 div-int/lit16 22s y none continue|throw 293op d4 rem-int/lit16 22s y none continue|throw 294op d5 and-int/lit16 22s y none continue 295op d6 or-int/lit16 22s y none continue 296op d7 xor-int/lit16 22s y none continue 297op d8 add-int/lit8 22b y none continue 298op d9 rsub-int/lit8 22b y none continue 299op da mul-int/lit8 22b y none continue 300op db div-int/lit8 22b y none continue|throw 301op dc rem-int/lit8 22b y none continue|throw 302op dd and-int/lit8 22b y none continue 303op de or-int/lit8 22b y none continue 304op df xor-int/lit8 22b y none continue 305op e0 shl-int/lit8 22b y none continue 306op e1 shr-int/lit8 22b y none continue 307op e2 ushr-int/lit8 22b y none continue 308 309# 310# Optimized opcodes (not valid in an unoptimized dex file) 311# 312 313op e3 +iget-volatile 22c y field-ref optimized|continue|throw 314op e4 +iput-volatile 22c n field-ref optimized|continue|throw 315op e5 +sget-volatile 21c y field-ref optimized|continue|throw 316op e6 +sput-volatile 21c n field-ref optimized|continue|throw 317op e7 +iget-object-volatile 22c y field-ref optimized|continue|throw 318op e8 +iget-wide-volatile 22c y field-ref optimized|continue|throw 319op e9 +iput-wide-volatile 22c n field-ref optimized|continue|throw 320op ea +sget-wide-volatile 21c y field-ref optimized|continue|throw 321op eb +sput-wide-volatile 21c n field-ref optimized|continue|throw 322 323# Technically "breakpoint" isn't really an optimized opcode, but it 324# fits the label in terms of not being valid in regular dex files. 325op ec ^breakpoint 00x n unknown optimized 326 327op ed ^throw-verification-error 20bc n varies optimized|throw 328op ee +execute-inline 35mi n inline-method optimized|continue|throw 329op ef +execute-inline/range 3rmi n inline-method optimized|continue|throw 330 331op f0 +invoke-object-init/range 35c n method-ref optimized|continue|throw|invoke 332op f1 +return-void-barrier 10x n none optimized|return 333op f2 +iget-quick 22cs y field-offset optimized|continue|throw 334op f3 +iget-wide-quick 22cs y field-offset optimized|continue|throw 335op f4 +iget-object-quick 22cs y field-offset optimized|continue|throw 336op f5 +iput-quick 22cs n field-offset optimized|continue|throw 337op f6 +iput-wide-quick 22cs n field-offset optimized|continue|throw 338op f7 +iput-object-quick 22cs n field-offset optimized|continue|throw 339op f8 +invoke-virtual-quick 35ms n vtable-offset optimized|continue|throw|invoke 340op f9 +invoke-virtual-quick/range 3rms n vtable-offset optimized|continue|throw|invoke 341op fa +invoke-super-quick 35ms n vtable-offset optimized|continue|throw|invoke 342op fb +invoke-super-quick/range 3rms n vtable-offset optimized|continue|throw|invoke 343op fc +iput-object-volatile 22c n field-ref optimized|continue|throw 344op fd +sget-object-volatile 21c y field-ref optimized|continue|throw 345op fe +sput-object-volatile 21c n field-ref optimized|continue|throw 346 347# 348# Extended-width opcodes 349# 350 351op 00ff const-class/jumbo 41c y type-ref continue|throw 352op 01ff check-cast/jumbo 41c n type-ref continue|throw 353op 02ff instance-of/jumbo 52c y type-ref continue|throw 354op 03ff new-instance/jumbo 41c y type-ref continue|throw 355op 04ff new-array/jumbo 52c y type-ref continue|throw 356op 05ff filled-new-array/jumbo 5rc n type-ref continue|throw 357op 06ff iget/jumbo 52c y field-ref continue|throw 358op 07ff iget-wide/jumbo 52c y field-ref continue|throw 359op 08ff iget-object/jumbo 52c y field-ref continue|throw 360op 09ff iget-boolean/jumbo 52c y field-ref continue|throw 361op 0aff iget-byte/jumbo 52c y field-ref continue|throw 362op 0bff iget-char/jumbo 52c y field-ref continue|throw 363op 0cff iget-short/jumbo 52c y field-ref continue|throw 364op 0dff iput/jumbo 52c n field-ref continue|throw 365op 0eff iput-wide/jumbo 52c n field-ref continue|throw 366op 0fff iput-object/jumbo 52c n field-ref continue|throw 367op 10ff iput-boolean/jumbo 52c n field-ref continue|throw 368op 11ff iput-byte/jumbo 52c n field-ref continue|throw 369op 12ff iput-char/jumbo 52c n field-ref continue|throw 370op 13ff iput-short/jumbo 52c n field-ref continue|throw 371op 14ff sget/jumbo 41c y field-ref continue|throw 372op 15ff sget-wide/jumbo 41c y field-ref continue|throw 373op 16ff sget-object/jumbo 41c y field-ref continue|throw 374op 17ff sget-boolean/jumbo 41c y field-ref continue|throw 375op 18ff sget-byte/jumbo 41c y field-ref continue|throw 376op 19ff sget-char/jumbo 41c y field-ref continue|throw 377op 1aff sget-short/jumbo 41c y field-ref continue|throw 378op 1bff sput/jumbo 41c n field-ref continue|throw 379op 1cff sput-wide/jumbo 41c n field-ref continue|throw 380op 1dff sput-object/jumbo 41c n field-ref continue|throw 381op 1eff sput-boolean/jumbo 41c n field-ref continue|throw 382op 1fff sput-byte/jumbo 41c n field-ref continue|throw 383op 20ff sput-char/jumbo 41c n field-ref continue|throw 384op 21ff sput-short/jumbo 41c n field-ref continue|throw 385op 22ff invoke-virtual/jumbo 5rc n method-ref continue|throw|invoke 386op 23ff invoke-super/jumbo 5rc n method-ref continue|throw|invoke 387op 24ff invoke-direct/jumbo 5rc n method-ref continue|throw|invoke 388op 25ff invoke-static/jumbo 5rc n method-ref continue|throw|invoke 389op 26ff invoke-interface/jumbo 5rc n method-ref continue|throw|invoke 390 391# unused: op 27ff..f1ff 392 393# 394# Optimized opcodes (not valid in an unoptimized dex file) 395# 396 397op f2ff +invoke-object-init/jumbo 5rc n method-ref optimized|continue|throw|invoke 398op f3ff +iget-volatile/jumbo 52c y field-ref optimized|continue|throw 399op f4ff +iget-wide-volatile/jumbo 52c y field-ref optimized|continue|throw 400op f5ff +iget-object-volatile/jumbo 52c y field-ref optimized|continue|throw 401op f6ff +iput-volatile/jumbo 52c n field-ref optimized|continue|throw 402op f7ff +iput-wide-volatile/jumbo 52c n field-ref optimized|continue|throw 403op f8ff +iput-object-volatile/jumbo 52c n field-ref optimized|continue|throw 404op f9ff +sget-volatile/jumbo 41c y field-ref optimized|continue|throw 405op faff +sget-wide-volatile/jumbo 41c y field-ref optimized|continue|throw 406op fbff +sget-object-volatile/jumbo 41c y field-ref optimized|continue|throw 407op fcff +sput-volatile/jumbo 41c n field-ref optimized|continue|throw 408op fdff +sput-wide-volatile/jumbo 41c n field-ref optimized|continue|throw 409op feff +sput-object-volatile/jumbo 41c n field-ref optimized|continue|throw 410op ffff ^throw-verification-error/jumbo 40sc n varies optimized|throw 411