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instr.ml
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(*
* Copyright (c) 2010-2014,
* Jinseong Jeon <jsjeon@cs.umd.edu>
* Kris Micinski <micinski@cs.umd.edu>
* Jeff Foster <jfoster@cs.umd.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
(***********************************************************************)
(* Instr *)
(* reference: dalvik/libdex/OpCode.h *)
(***********************************************************************)
module U = Util
module I32 = Int32
module I64 = Int64
module IM = Map.Make (I32)
module L = List
module B = Buffer
(***********************************************************************)
(* Basic Types/Elements *)
(***********************************************************************)
type offset = int32
type instr = opcode * operand list
and operand =
| OPR_CONST of int64
| OPR_REGISTER of int
| OPR_INDEX of int
| OPR_OFFSET of offset
and opcode =
| OP_NOP (* 0x00 *)
| OP_MOVE (* 0x01 *)
| OP_MOVE_FROM16 (* 0x02 *)
| OP_MOVE_16 (* 0x03 *)
| OP_MOVE_WIDE (* 0x04 *)
| OP_MOVE_WIDE_FROM16 (* 0x05 *)
| OP_MOVE_WIDE_16 (* 0x06 *)
| OP_MOVE_OBJECT (* 0x07 *)
| OP_MOVE_OBJECT_FROM16 (* 0x08 *)
| OP_MOVE_OBJECT_16 (* 0x09 *)
| OP_MOVE_RESULT (* 0x0a *)
| OP_MOVE_RESULT_WIDE (* 0x0b *)
| OP_MOVE_RESULT_OBJECT (* 0x0c *)
| OP_MOVE_EXCEPTION (* 0x0d *)
| OP_RETURN_VOID (* 0x0e *)
| OP_RETURN (* 0x0f *)
| OP_RETURN_WIDE (* 0x10 *)
| OP_RETURN_OBJECT (* 0x11 *)
| OP_CONST_4 (* 0x12 *)
| OP_CONST_16 (* 0x13 *)
| OP_CONST (* 0x14 *)
| OP_CONST_HIGH16 (* 0x15 *)
| OP_CONST_WIDE_16 (* 0x16 *)
| OP_CONST_WIDE_32 (* 0x17 *)
| OP_CONST_WIDE (* 0x18 *)
| OP_CONST_WIDE_HIGH16 (* 0x19 *)
| OP_CONST_STRING (* 0x1a *)
| OP_CONST_STRING_JUMBO (* 0x1b *)
| OP_CONST_CLASS (* 0x1c *)
| OP_MONITOR_ENTER (* 0x1d *)
| OP_MONITOR_EXIT (* 0x1e *)
| OP_CHECK_CAST (* 0x1f *)
| OP_INSTANCE_OF (* 0x20 *)
| OP_ARRAY_LENGTH (* 0x21 *)
| OP_NEW_INSTANCE (* 0x22 *)
| OP_NEW_ARRAY (* 0x23 *)
| OP_FILLED_NEW_ARRAY (* 0x24 *)
| OP_FILLED_NEW_ARRAY_RANGE (* 0x25 *)
| OP_FILL_ARRAY_DATA (* 0x26 *)
| OP_THROW (* 0x27 *)
| OP_GOTO (* 0x28 *)
| OP_GOTO_16 (* 0x29 *)
| OP_GOTO_32 (* 0x2a *)
| OP_PACKED_SWITCH (* 0x2b *)
| OP_SPARSE_SWITCH (* 0x2c *)
| OP_CMPL_FLOAT (* 0x2d *)
| OP_CMPG_FLOAT (* 0x2e *)
| OP_CMPL_DOUBLE (* 0x2f *)
| OP_CMPG_DOUBLE (* 0x30 *)
| OP_CMP_LONG (* 0x31 *)
| OP_IF_EQ (* 0x32 *)
| OP_IF_NE (* 0x33 *)
| OP_IF_LT (* 0x34 *)
| OP_IF_GE (* 0x35 *)
| OP_IF_GT (* 0x36 *)
| OP_IF_LE (* 0x37 *)
| OP_IF_EQZ (* 0x38 *)
| OP_IF_NEZ (* 0x39 *)
| OP_IF_LTZ (* 0x3a *)
| OP_IF_GEZ (* 0x3b *)
| OP_IF_GTZ (* 0x3c *)
| OP_IF_LEZ (* 0x3d *)
(*
| OP_UNUSED_3E (* 0x3e *)
| OP_UNUSED_3F (* 0x3f *)
| OP_UNUSED_40 (* 0x40 *)
| OP_UNUSED_41 (* 0x41 *)
| OP_UNUSED_42 (* 0x42 *)
| OP_UNUSED_43 (* 0x43 *)
*)
| OP_AGET (* 0x44 *)
| OP_AGET_WIDE (* 0x45 *)
| OP_AGET_OBJECT (* 0x46 *)
| OP_AGET_BOOLEAN (* 0x47 *)
| OP_AGET_BYTE (* 0x48 *)
| OP_AGET_CHAR (* 0x49 *)
| OP_AGET_SHORT (* 0x4a *)
| OP_APUT (* 0x4b *)
| OP_APUT_WIDE (* 0x4c *)
| OP_APUT_OBJECT (* 0x4d *)
| OP_APUT_BOOLEAN (* 0x4e *)
| OP_APUT_BYTE (* 0x4f *)
| OP_APUT_CHAR (* 0x50 *)
| OP_APUT_SHORT (* 0x51 *)
| OP_IGET (* 0x52 *)
| OP_IGET_WIDE (* 0x53 *)
| OP_IGET_OBJECT (* 0x54 *)
| OP_IGET_BOOLEAN (* 0x55 *)
| OP_IGET_BYTE (* 0x56 *)
| OP_IGET_CHAR (* 0x57 *)
| OP_IGET_SHORT (* 0x58 *)
| OP_IPUT (* 0x59 *)
| OP_IPUT_WIDE (* 0x5a *)
| OP_IPUT_OBJECT (* 0x5b *)
| OP_IPUT_BOOLEAN (* 0x5c *)
| OP_IPUT_BYTE (* 0x5d *)
| OP_IPUT_CHAR (* 0x5e *)
| OP_IPUT_SHORT (* 0x5f *)
| OP_SGET (* 0x60 *)
| OP_SGET_WIDE (* 0x61 *)
| OP_SGET_OBJECT (* 0x62 *)
| OP_SGET_BOOLEAN (* 0x63 *)
| OP_SGET_BYTE (* 0x64 *)
| OP_SGET_CHAR (* 0x65 *)
| OP_SGET_SHORT (* 0x66 *)
| OP_SPUT (* 0x67 *)
| OP_SPUT_WIDE (* 0x68 *)
| OP_SPUT_OBJECT (* 0x69 *)
| OP_SPUT_BOOLEAN (* 0x6a *)
| OP_SPUT_BYTE (* 0x6b *)
| OP_SPUT_CHAR (* 0x6c *)
| OP_SPUT_SHORT (* 0x6d *)
| OP_INVOKE_VIRTUAL (* 0x6e *)
| OP_INVOKE_SUPER (* 0x6f *)
| OP_INVOKE_DIRECT (* 0x70 *)
| OP_INVOKE_STATIC (* 0x71 *)
| OP_INVOKE_INTERFACE (* 0x72 *)
(*
| OP_UNUSED_73 (* 0x73 *)
*)
| OP_INVOKE_VIRTUAL_RANGE (* 0x74 *)
| OP_INVOKE_SUPER_RANGE (* 0x75 *)
| OP_INVOKE_DIRECT_RANGE (* 0x76 *)
| OP_INVOKE_STATIC_RANGE (* 0x77 *)
| OP_INVOKE_INTERFACE_RANGE (* 0x78 *)
(*
| OP_UNUSED_79 (* 0x79 *)
| OP_UNUSED_7A (* 0x7a *)
*)
| OP_NEG_INT (* 0x7b *)
| OP_NOT_INT (* 0x7c *)
| OP_NEG_LONG (* 0x7d *)
| OP_NOT_LONG (* 0x7e *)
| OP_NEG_FLOAT (* 0x7f *)
| OP_NEG_DOUBLE (* 0x80 *)
| OP_INT_TO_LONG (* 0x81 *)
| OP_INT_TO_FLOAT (* 0x82 *)
| OP_INT_TO_DOUBLE (* 0x83 *)
| OP_LONG_TO_INT (* 0x84 *)
| OP_LONG_TO_FLOAT (* 0x85 *)
| OP_LONG_TO_DOUBLE (* 0x86 *)
| OP_FLOAT_TO_INT (* 0x87 *)
| OP_FLOAT_TO_LONG (* 0x88 *)
| OP_FLOAT_TO_DOUBLE (* 0x89 *)
| OP_DOUBLE_TO_INT (* 0x8a *)
| OP_DOUBLE_TO_LONG (* 0x8b *)
| OP_DOUBLE_TO_FLOAT (* 0x8c *)
| OP_INT_TO_BYTE (* 0x8d *)
| OP_INT_TO_CHAR (* 0x8e *)
| OP_INT_TO_SHORT (* 0x8f *)
| OP_ADD_INT (* 0x90 *)
| OP_SUB_INT (* 0x91 *)
| OP_MUL_INT (* 0x92 *)
| OP_DIV_INT (* 0x93 *)
| OP_REM_INT (* 0x94 *)
| OP_AND_INT (* 0x95 *)
| OP_OR_INT (* 0x96 *)
| OP_XOR_INT (* 0x97 *)
| OP_SHL_INT (* 0x98 *)
| OP_SHR_INT (* 0x99 *)
| OP_USHR_INT (* 0x9a *)
| OP_ADD_LONG (* 0x9b *)
| OP_SUB_LONG (* 0x9c *)
| OP_MUL_LONG (* 0x9d *)
| OP_DIV_LONG (* 0x9e *)
| OP_REM_LONG (* 0x9f *)
| OP_AND_LONG (* 0xa0 *)
| OP_OR_LONG (* 0xa1 *)
| OP_XOR_LONG (* 0xa2 *)
| OP_SHL_LONG (* 0xa3 *)
| OP_SHR_LONG (* 0xa4 *)
| OP_USHR_LONG (* 0xa5 *)
| OP_ADD_FLOAT (* 0xa6 *)
| OP_SUB_FLOAT (* 0xa7 *)
| OP_MUL_FLOAT (* 0xa8 *)
| OP_DIV_FLOAT (* 0xa9 *)
| OP_REM_FLOAT (* 0xaa *)
| OP_ADD_DOUBLE (* 0xab *)
| OP_SUB_DOUBLE (* 0xac *)
| OP_MUL_DOUBLE (* 0xad *)
| OP_DIV_DOUBLE (* 0xae *)
| OP_REM_DOUBLE (* 0xaf *)
| OP_ADD_INT_2ADDR (* 0xb0 *)
| OP_SUB_INT_2ADDR (* 0xb1 *)
| OP_MUL_INT_2ADDR (* 0xb2 *)
| OP_DIV_INT_2ADDR (* 0xb3 *)
| OP_REM_INT_2ADDR (* 0xb4 *)
| OP_AND_INT_2ADDR (* 0xb5 *)
| OP_OR_INT_2ADDR (* 0xb6 *)
| OP_XOR_INT_2ADDR (* 0xb7 *)
| OP_SHL_INT_2ADDR (* 0xb8 *)
| OP_SHR_INT_2ADDR (* 0xb9 *)
| OP_USHR_INT_2ADDR (* 0xba *)
| OP_ADD_LONG_2ADDR (* 0xbb *)
| OP_SUB_LONG_2ADDR (* 0xbc *)
| OP_MUL_LONG_2ADDR (* 0xbd *)
| OP_DIV_LONG_2ADDR (* 0xbe *)
| OP_REM_LONG_2ADDR (* 0xbf *)
| OP_AND_LONG_2ADDR (* 0xc0 *)
| OP_OR_LONG_2ADDR (* 0xc1 *)
| OP_XOR_LONG_2ADDR (* 0xc2 *)
| OP_SHL_LONG_2ADDR (* 0xc3 *)
| OP_SHR_LONG_2ADDR (* 0xc4 *)
| OP_USHR_LONG_2ADDR (* 0xc5 *)
| OP_ADD_FLOAT_2ADDR (* 0xc6 *)
| OP_SUB_FLOAT_2ADDR (* 0xc7 *)
| OP_MUL_FLOAT_2ADDR (* 0xc8 *)
| OP_DIV_FLOAT_2ADDR (* 0xc9 *)
| OP_REM_FLOAT_2ADDR (* 0xca *)
| OP_ADD_DOUBLE_2ADDR (* 0xcb *)
| OP_SUB_DOUBLE_2ADDR (* 0xcc *)
| OP_MUL_DOUBLE_2ADDR (* 0xcd *)
| OP_DIV_DOUBLE_2ADDR (* 0xce *)
| OP_REM_DOUBLE_2ADDR (* 0xcf *)
| OP_ADD_INT_LIT16 (* 0xd0 *)
| OP_RSUB_INT (* 0xd1 *) (* no _LIT16 suffix for this *)
| OP_MUL_INT_LIT16 (* 0xd2 *)
| OP_DIV_INT_LIT16 (* 0xd3 *)
| OP_REM_INT_LIT16 (* 0xd4 *)
| OP_AND_INT_LIT16 (* 0xd5 *)
| OP_OR_INT_LIT16 (* 0xd6 *)
| OP_XOR_INT_LIT16 (* 0xd7 *)
| OP_ADD_INT_LIT8 (* 0xd8 *)
| OP_RSUB_INT_LIT8 (* 0xd9 *)
| OP_MUL_INT_LIT8 (* 0xda *)
| OP_DIV_INT_LIT8 (* 0xdb *)
| OP_REM_INT_LIT8 (* 0xdc *)
| OP_AND_INT_LIT8 (* 0xdd *)
| OP_OR_INT_LIT8 (* 0xde *)
| OP_XOR_INT_LIT8 (* 0xdf *)
| OP_SHL_INT_LIT8 (* 0xe0 *)
| OP_SHR_INT_LIT8 (* 0xe1 *)
| OP_USHR_INT_LIT8 (* 0xe2 *)
(*
| OP_UNUSED_E3 (* 0xe3 *)
| OP_UNUSED_E4 (* 0xe4 *)
| OP_UNUSED_E5 (* 0xe5 *)
| OP_UNUSED_E6 (* 0xe6 *)
| OP_UNUSED_E7 (* 0xe7 *)
| OP_UNUSED_E8 (* 0xe8 *)
| OP_UNUSED_E9 (* 0xe9 *)
| OP_UNUSED_EA (* 0xea *)
| OP_UNUSED_EB (* 0xeb *)
(*
* The "breakpoint" instruction is special, in that it should never
* be seen by anything but the debug interpreter. During debugging
* it takes the place of an arbitrary opcode, which means operations
* like "tell me the opcode width so I can find the next instruction"
* aren't possible. (This is correctable, but probably not useful.)
*)
| OP_BREAKPOINT (* 0xec *)
(* optimizer output -- these are never generated by "dx" *)
| OP_THROW_VERIFICATION_ERROR (* 0xed *)
| OP_EXECUTE_INLINE (* 0xee *)
| OP_EXECUTE_INLINE_RANGE (* 0xef *)
| OP_INVOKE_DIRECT_EMPTY (* 0xf0 *)
| OP_UNUSED_F1 (* 0xf1 *) (* OP_INVOKE_DIRECT_EMPTY_RANGE? *)
| OP_IGET_QUICK (* 0xf2 *)
| OP_IGET_WIDE_QUICK (* 0xf3 *)
| OP_IGET_OBJECT_QUICK (* 0xf4 *)
| OP_IPUT_QUICK (* 0xf5 *)
| OP_IPUT_WIDE_QUICK (* 0xf6 *)
| OP_IPUT_OBJECT_QUICK (* 0xf7 *)
| OP_INVOKE_VIRTUAL_QUICK (* 0xf8 *)
| OP_INVOKE_VIRTUAL_QUICK_RANGE (* 0xf9 *)
| OP_INVOKE_SUPER_QUICK (* 0xfa *)
| OP_INVOKE_SUPER_QUICK_RANGE (* 0xfb *)
| OP_UNUSED_FC (* 0xfc *) (* OP_INVOKE_DIRECT_QUICK? *)
| OP_UNUSED_FD (* 0xfd *) (* OP_INVOKE_DIRECT_QUICK_RANGE? *)
| OP_UNUSED_FE (* 0xfe *) (* OP_INVOKE_INTERFACE_QUICK? *)
| OP_UNUSED_FF (* 0xff *) (* OP_INVOKE_INTERFACE_QUICK_RANGE *)
*)
(***********************************************************************)
(* Utilities *)
(***********************************************************************)
let to_i32 = I32.of_int
let of_i32 = I32.to_int
let to_i64 = I64.of_int
let of_i64 = I64.to_int
let to_con c = OPR_CONST c
let to_reg r = OPR_REGISTER r
let to_idx i = OPR_INDEX i
let to_off f = OPR_OFFSET f
(* of_reg : operand -> int *)
let of_reg = function OPR_REGISTER r -> r
(* instr_to_string : instr -> string *)
let rec instr_to_string (op, opr) =
let buf = B.create 80 in
B.add_string buf (op_to_string op);
B.add_char buf ' ';
let per_opr opr' =
B.add_string buf (opr_to_string opr');
B.add_char buf ' '
in
L.iter per_opr opr;
B.contents buf
(* opr_to_string : operand -> string *)
and opr_to_string = function
| OPR_CONST cs -> I64.to_string cs
| OPR_REGISTER rg -> "v"^(string_of_int rg)
| OPR_INDEX ix -> Printf.sprintf "@%X" ix (* dexdump format *)
| OPR_OFFSET off -> Printf.sprintf "0x%08X" (of_i32 off)
(* op_to_string : opcode -> string *)
and op_to_string = function
| OP_NOP -> "nop"
| OP_MOVE -> "move"
| OP_MOVE_FROM16 -> "move/from16"
| OP_MOVE_16 -> "move/16"
| OP_MOVE_WIDE -> "move-wide"
| OP_MOVE_WIDE_FROM16 -> "move-wide/from16"
| OP_MOVE_WIDE_16 -> "move-wide/16"
| OP_MOVE_OBJECT -> "move-object"
| OP_MOVE_OBJECT_FROM16 -> "move-object/from16"
| OP_MOVE_OBJECT_16 -> "move-object/16"
| OP_MOVE_RESULT -> "move-result"
| OP_MOVE_RESULT_WIDE -> "move-result-wide"
| OP_MOVE_RESULT_OBJECT -> "move-result-object"
| OP_MOVE_EXCEPTION -> "move-exception"
| OP_RETURN_VOID -> "return-void"
| OP_RETURN -> "return"
| OP_RETURN_WIDE -> "return-wide"
| OP_RETURN_OBJECT -> "return-object"
| OP_CONST_4 -> "const/4"
| OP_CONST_16 -> "const/16"
| OP_CONST -> "const"
| OP_CONST_HIGH16 -> "const/high16"
| OP_CONST_WIDE_16 -> "const-wide/16"
| OP_CONST_WIDE_32 -> "const-wide/32"
| OP_CONST_WIDE -> "const-wide"
| OP_CONST_WIDE_HIGH16 -> "const-wide/high16"
| OP_CONST_STRING -> "const-string"
| OP_CONST_STRING_JUMBO -> "const-string/jumbo"
| OP_CONST_CLASS -> "const-class"
| OP_MONITOR_ENTER -> "monitor-enter"
| OP_MONITOR_EXIT -> "monitor-exit"
| OP_CHECK_CAST -> "check-cast"
| OP_INSTANCE_OF -> "instance-of"
| OP_ARRAY_LENGTH -> "array-length"
| OP_NEW_INSTANCE -> "new-instance"
| OP_NEW_ARRAY -> "new-array"
| OP_FILLED_NEW_ARRAY -> "filled-new-array"
| OP_FILLED_NEW_ARRAY_RANGE -> "filled-new-array/range"
| OP_FILL_ARRAY_DATA -> "fill-array-data"
| OP_THROW -> "throw"
| OP_GOTO -> "goto"
| OP_GOTO_16 -> "goto/16"
| OP_GOTO_32 -> "goto/32"
| OP_PACKED_SWITCH -> "packed-switch"
| OP_SPARSE_SWITCH -> "sparse-switch"
| OP_CMPL_FLOAT -> "cmpl-float"
| OP_CMPG_FLOAT -> "cmpg-float"
| OP_CMPL_DOUBLE -> "cmpl-double"
| OP_CMPG_DOUBLE -> "cmpg-double"
| OP_CMP_LONG -> "cmp-long"
| OP_IF_EQ -> "if-eq"
| OP_IF_NE -> "if-ne"
| OP_IF_LT -> "if-lt"
| OP_IF_GE -> "if-ge"
| OP_IF_GT -> "if-gt"
| OP_IF_LE -> "if-le"
| OP_IF_EQZ -> "if-eqz"
| OP_IF_NEZ -> "if-nez"
| OP_IF_LTZ -> "if-ltz"
| OP_IF_GEZ -> "if-gez"
| OP_IF_GTZ -> "if-gtz"
| OP_IF_LEZ -> "if-lez"
| OP_AGET -> "aget"
| OP_AGET_WIDE -> "aget-wide"
| OP_AGET_OBJECT -> "aget-object"
| OP_AGET_BOOLEAN -> "aget-boolean"
| OP_AGET_BYTE -> "aget-byte"
| OP_AGET_CHAR -> "aget-char"
| OP_AGET_SHORT -> "aget-short"
| OP_APUT -> "aput"
| OP_APUT_WIDE -> "aput-wide"
| OP_APUT_OBJECT -> "aput-object"
| OP_APUT_BOOLEAN -> "aput-boolean"
| OP_APUT_BYTE -> "aput-byte"
| OP_APUT_CHAR -> "aput-char"
| OP_APUT_SHORT -> "aput-short"
| OP_IGET -> "iget"
| OP_IGET_WIDE -> "iget-wide"
| OP_IGET_OBJECT -> "iget-object"
| OP_IGET_BOOLEAN -> "iget-boolean"
| OP_IGET_BYTE -> "iget-byte"
| OP_IGET_CHAR -> "iget-char"
| OP_IGET_SHORT -> "iget-short"
| OP_IPUT -> "iput"
| OP_IPUT_WIDE -> "iput-wide"
| OP_IPUT_OBJECT -> "iput-object"
| OP_IPUT_BOOLEAN -> "iput-boolean"
| OP_IPUT_BYTE -> "iput-byte"
| OP_IPUT_CHAR -> "iput-char"
| OP_IPUT_SHORT -> "iput-short"
| OP_SGET -> "sget"
| OP_SGET_WIDE -> "sget-wide"
| OP_SGET_OBJECT -> "sget-object"
| OP_SGET_BOOLEAN -> "sget-boolean"
| OP_SGET_BYTE -> "sget-byte"
| OP_SGET_CHAR -> "sget-char"
| OP_SGET_SHORT -> "sget-short"
| OP_SPUT -> "sput"
| OP_SPUT_WIDE -> "sput-wide"
| OP_SPUT_OBJECT -> "sput-object"
| OP_SPUT_BOOLEAN -> "sput-boolean"
| OP_SPUT_BYTE -> "sput-byte"
| OP_SPUT_CHAR -> "sput-char"
| OP_SPUT_SHORT -> "sput-short"
| OP_INVOKE_VIRTUAL -> "invoke-virtual"
| OP_INVOKE_SUPER -> "invoke-super"
| OP_INVOKE_DIRECT -> "invoke-direct"
| OP_INVOKE_STATIC -> "invoke-static"
| OP_INVOKE_INTERFACE -> "invoke-interface"
| OP_INVOKE_VIRTUAL_RANGE -> "invoke-virtual/range"
| OP_INVOKE_SUPER_RANGE -> "invoke-super/range"
| OP_INVOKE_DIRECT_RANGE -> "invoke-direct/range"
| OP_INVOKE_STATIC_RANGE -> "invoke-static/range"
| OP_INVOKE_INTERFACE_RANGE -> "invoke-interface/range"
| OP_NEG_INT -> "neg-int"
| OP_NOT_INT -> "not-int"
| OP_NEG_LONG -> "neg-long"
| OP_NOT_LONG -> "not-long"
| OP_NEG_FLOAT -> "neg-float"
| OP_NEG_DOUBLE -> "neg-double"
| OP_INT_TO_LONG -> "int-to-long"
| OP_INT_TO_FLOAT -> "int-to-float"
| OP_INT_TO_DOUBLE -> "int-to-double"
| OP_LONG_TO_INT -> "long-to-int"
| OP_LONG_TO_FLOAT -> "long-to-float"
| OP_LONG_TO_DOUBLE -> "long-to-double"
| OP_FLOAT_TO_INT -> "float-to-int"
| OP_FLOAT_TO_LONG -> "float-to-long"
| OP_FLOAT_TO_DOUBLE -> "float-to-double"
| OP_DOUBLE_TO_INT -> "double-to-int"
| OP_DOUBLE_TO_LONG -> "double-to-long"
| OP_DOUBLE_TO_FLOAT -> "double-to-float"
| OP_INT_TO_BYTE -> "int-to-byte"
| OP_INT_TO_CHAR -> "int-to-char"
| OP_INT_TO_SHORT -> "int-to-short"
| OP_ADD_INT -> "add-int"
| OP_SUB_INT -> "sub-int"
| OP_MUL_INT -> "mul-int"
| OP_DIV_INT -> "div-int"
| OP_REM_INT -> "rem-int"
| OP_AND_INT -> "and-int"
| OP_OR_INT -> "or-int"
| OP_XOR_INT -> "xor-int"
| OP_SHL_INT -> "shl-int"
| OP_SHR_INT -> "shr-int"
| OP_USHR_INT -> "ushr-int"
| OP_ADD_LONG -> "add-long"
| OP_SUB_LONG -> "sub-long"
| OP_MUL_LONG -> "mul-long"
| OP_DIV_LONG -> "div-long"
| OP_REM_LONG -> "rem-long"
| OP_AND_LONG -> "and-long"
| OP_OR_LONG -> "or-long"
| OP_XOR_LONG -> "xor-long"
| OP_SHL_LONG -> "shl-long"
| OP_SHR_LONG -> "shr-long"
| OP_USHR_LONG -> "ushr-long"
| OP_ADD_FLOAT -> "add-float"
| OP_SUB_FLOAT -> "sub-float"
| OP_MUL_FLOAT -> "mul-float"
| OP_DIV_FLOAT -> "div-float"
| OP_REM_FLOAT -> "rem-float"
| OP_ADD_DOUBLE -> "add-double"
| OP_SUB_DOUBLE -> "sub-double"
| OP_MUL_DOUBLE -> "mul-double"
| OP_DIV_DOUBLE -> "div-double"
| OP_REM_DOUBLE -> "rem-double"
| OP_ADD_INT_2ADDR -> "add-int/2addr"
| OP_SUB_INT_2ADDR -> "sub-int/2addr"
| OP_MUL_INT_2ADDR -> "mul-int/2addr"
| OP_DIV_INT_2ADDR -> "div-int/2addr"
| OP_REM_INT_2ADDR -> "rem-int/2addr"
| OP_AND_INT_2ADDR -> "and-int/2addr"
| OP_OR_INT_2ADDR -> "or-int/2addr"
| OP_XOR_INT_2ADDR -> "xor-int/2addr"
| OP_SHL_INT_2ADDR -> "shl-int/2addr"
| OP_SHR_INT_2ADDR -> "shr-int/2addr"
| OP_USHR_INT_2ADDR -> "ushr-int/2addr"
| OP_ADD_LONG_2ADDR -> "add-long/2addr"
| OP_SUB_LONG_2ADDR -> "sub-long/2addr"
| OP_MUL_LONG_2ADDR -> "mul-long/2addr"
| OP_DIV_LONG_2ADDR -> "div-long/2addr"
| OP_REM_LONG_2ADDR -> "rem-long/2addr"
| OP_AND_LONG_2ADDR -> "and-long/2addr"
| OP_OR_LONG_2ADDR -> "or-long/2addr"
| OP_XOR_LONG_2ADDR -> "xor-long/2addr"
| OP_SHL_LONG_2ADDR -> "shl-long/2addr"
| OP_SHR_LONG_2ADDR -> "shr-long/2addr"
| OP_USHR_LONG_2ADDR -> "ushr-long/2addr"
| OP_ADD_FLOAT_2ADDR -> "add-float/2addr"
| OP_SUB_FLOAT_2ADDR -> "sub-float/2addr"
| OP_MUL_FLOAT_2ADDR -> "mul-float/2addr"
| OP_DIV_FLOAT_2ADDR -> "div-float/2addr"
| OP_REM_FLOAT_2ADDR -> "rem-float/2addr"
| OP_ADD_DOUBLE_2ADDR -> "add-double/2addr"
| OP_SUB_DOUBLE_2ADDR -> "sub-double/2addr"
| OP_MUL_DOUBLE_2ADDR -> "mul-double/2addr"
| OP_DIV_DOUBLE_2ADDR -> "div-double/2addr"
| OP_REM_DOUBLE_2ADDR -> "rem-double/2addr"
| OP_ADD_INT_LIT16 -> "add-int/lit16"
| OP_RSUB_INT -> "rsub-int"
| OP_MUL_INT_LIT16 -> "mul-int/lit16"
| OP_DIV_INT_LIT16 -> "div-int/lit16"
| OP_REM_INT_LIT16 -> "rem-int/lit16"
| OP_AND_INT_LIT16 -> "and-int/lit16"
| OP_OR_INT_LIT16 -> "or-int/lit16"
| OP_XOR_INT_LIT16 -> "xor-int/lit16"
| OP_ADD_INT_LIT8 -> "add-int/lit8"
| OP_RSUB_INT_LIT8 -> "rsub-int/lit8"
| OP_MUL_INT_LIT8 -> "mul-int/lit8"
| OP_DIV_INT_LIT8 -> "div-int/lit8"
| OP_REM_INT_LIT8 -> "rem-int/lit8"
| OP_AND_INT_LIT8 -> "and-int/lit8"
| OP_OR_INT_LIT8 -> "or-int/lit8"
| OP_XOR_INT_LIT8 -> "xor-int/lit8"
| OP_SHL_INT_LIT8 -> "shl-int/lit8"
| OP_SHR_INT_LIT8 -> "shr-int/lit8"
| OP_USHR_INT_LIT8 -> "ushr-int/lit8"
(* hx_to_op_and_size : int -> opcode * int *)
let hx_to_op_and_size (hx: int) : opcode * int =
match hx with
| 0x00 -> OP_NOP, 2
| 0x01 -> OP_MOVE, 2
| 0x02 -> OP_MOVE_FROM16, 4
| 0x03 -> OP_MOVE_16, 6
| 0x04 -> OP_MOVE_WIDE, 2
| 0x05 -> OP_MOVE_WIDE_FROM16, 4
| 0x06 -> OP_MOVE_WIDE_16, 6
| 0x07 -> OP_MOVE_OBJECT, 2
| 0x08 -> OP_MOVE_OBJECT_FROM16, 4
| 0x09 -> OP_MOVE_OBJECT_16, 6
| 0x0a -> OP_MOVE_RESULT, 2
| 0x0b -> OP_MOVE_RESULT_WIDE, 2
| 0x0c -> OP_MOVE_RESULT_OBJECT, 2
| 0x0d -> OP_MOVE_EXCEPTION, 2
| 0x0e -> OP_RETURN_VOID, 2
| 0x0f -> OP_RETURN, 2
| 0x10 -> OP_RETURN_WIDE, 2
| 0x11 -> OP_RETURN_OBJECT, 2
| 0x12 -> OP_CONST_4, 2
| 0x13 -> OP_CONST_16, 4
| 0x14 -> OP_CONST, 6
| 0x15 -> OP_CONST_HIGH16, 4
| 0x16 -> OP_CONST_WIDE_16, 4
| 0x17 -> OP_CONST_WIDE_32, 6
| 0x18 -> OP_CONST_WIDE, 10
| 0x19 -> OP_CONST_WIDE_HIGH16, 4
| 0x1a -> OP_CONST_STRING, 4
| 0x1b -> OP_CONST_STRING_JUMBO, 6
| 0x1c -> OP_CONST_CLASS, 4
| 0x1d -> OP_MONITOR_ENTER, 2
| 0x1e -> OP_MONITOR_EXIT, 2
| 0x1f -> OP_CHECK_CAST, 4
| 0x20 -> OP_INSTANCE_OF, 4
| 0x21 -> OP_ARRAY_LENGTH, 2
| 0x22 -> OP_NEW_INSTANCE, 4
| 0x23 -> OP_NEW_ARRAY, 4
| 0x24 -> OP_FILLED_NEW_ARRAY, 6
| 0x25 -> OP_FILLED_NEW_ARRAY_RANGE, 6
| 0x26 -> OP_FILL_ARRAY_DATA, 6
| 0x27 -> OP_THROW, 2
| 0x28 -> OP_GOTO, 2
| 0x29 -> OP_GOTO_16, 4
| 0x2a -> OP_GOTO_32, 6
| 0x2b -> OP_PACKED_SWITCH, 6
| 0x2c -> OP_SPARSE_SWITCH, 6
| 0x2d -> OP_CMPL_FLOAT, 4
| 0x2e -> OP_CMPG_FLOAT, 4
| 0x2f -> OP_CMPL_DOUBLE, 4
| 0x30 -> OP_CMPG_DOUBLE, 4
| 0x31 -> OP_CMP_LONG, 4
| 0x32 -> OP_IF_EQ, 4
| 0x33 -> OP_IF_NE, 4
| 0x34 -> OP_IF_LT, 4
| 0x35 -> OP_IF_GE, 4
| 0x36 -> OP_IF_GT, 4
| 0x37 -> OP_IF_LE, 4
| 0x38 -> OP_IF_EQZ, 4
| 0x39 -> OP_IF_NEZ, 4
| 0x3a -> OP_IF_LTZ, 4
| 0x3b -> OP_IF_GEZ, 4
| 0x3c -> OP_IF_GTZ, 4
| 0x3d -> OP_IF_LEZ, 4
| 0x44 -> OP_AGET, 4
| 0x45 -> OP_AGET_WIDE, 4
| 0x46 -> OP_AGET_OBJECT, 4
| 0x47 -> OP_AGET_BOOLEAN, 4
| 0x48 -> OP_AGET_BYTE, 4
| 0x49 -> OP_AGET_CHAR, 4
| 0x4a -> OP_AGET_SHORT, 4
| 0x4b -> OP_APUT, 4
| 0x4c -> OP_APUT_WIDE, 4
| 0x4d -> OP_APUT_OBJECT, 4
| 0x4e -> OP_APUT_BOOLEAN, 4
| 0x4f -> OP_APUT_BYTE, 4
| 0x50 -> OP_APUT_CHAR, 4
| 0x51 -> OP_APUT_SHORT, 4
| 0x52 -> OP_IGET, 4
| 0x53 -> OP_IGET_WIDE, 4
| 0x54 -> OP_IGET_OBJECT, 4
| 0x55 -> OP_IGET_BOOLEAN, 4
| 0x56 -> OP_IGET_BYTE, 4
| 0x57 -> OP_IGET_CHAR, 4
| 0x58 -> OP_IGET_SHORT, 4
| 0x59 -> OP_IPUT, 4
| 0x5a -> OP_IPUT_WIDE, 4
| 0x5b -> OP_IPUT_OBJECT, 4
| 0x5c -> OP_IPUT_BOOLEAN, 4
| 0x5d -> OP_IPUT_BYTE, 4
| 0x5e -> OP_IPUT_CHAR, 4
| 0x5f -> OP_IPUT_SHORT, 4
| 0x60 -> OP_SGET, 4
| 0x61 -> OP_SGET_WIDE, 4
| 0x62 -> OP_SGET_OBJECT, 4
| 0x63 -> OP_SGET_BOOLEAN, 4
| 0x64 -> OP_SGET_BYTE, 4
| 0x65 -> OP_SGET_CHAR, 4
| 0x66 -> OP_SGET_SHORT, 4
| 0x67 -> OP_SPUT, 4
| 0x68 -> OP_SPUT_WIDE, 4
| 0x69 -> OP_SPUT_OBJECT, 4
| 0x6a -> OP_SPUT_BOOLEAN, 4
| 0x6b -> OP_SPUT_BYTE, 4
| 0x6c -> OP_SPUT_CHAR, 4
| 0x6d -> OP_SPUT_SHORT, 4
| 0x6e -> OP_INVOKE_VIRTUAL, 6
| 0x6f -> OP_INVOKE_SUPER, 6
| 0x70 -> OP_INVOKE_DIRECT, 6
| 0x71 -> OP_INVOKE_STATIC, 6
| 0x72 -> OP_INVOKE_INTERFACE, 6
| 0x74 -> OP_INVOKE_VIRTUAL_RANGE, 6
| 0x75 -> OP_INVOKE_SUPER_RANGE, 6
| 0x76 -> OP_INVOKE_DIRECT_RANGE, 6
| 0x77 -> OP_INVOKE_STATIC_RANGE, 6
| 0x78 -> OP_INVOKE_INTERFACE_RANGE, 6
| 0x7b -> OP_NEG_INT, 2
| 0x7c -> OP_NOT_INT, 2
| 0x7d -> OP_NEG_LONG, 2
| 0x7e -> OP_NOT_LONG, 2
| 0x7f -> OP_NEG_FLOAT, 2
| 0x80 -> OP_NEG_DOUBLE, 2
| 0x81 -> OP_INT_TO_LONG, 2
| 0x82 -> OP_INT_TO_FLOAT, 2
| 0x83 -> OP_INT_TO_DOUBLE, 2
| 0x84 -> OP_LONG_TO_INT, 2
| 0x85 -> OP_LONG_TO_FLOAT, 2
| 0x86 -> OP_LONG_TO_DOUBLE, 2
| 0x87 -> OP_FLOAT_TO_INT, 2
| 0x88 -> OP_FLOAT_TO_LONG, 2
| 0x89 -> OP_FLOAT_TO_DOUBLE, 2
| 0x8a -> OP_DOUBLE_TO_INT, 2
| 0x8b -> OP_DOUBLE_TO_LONG, 2
| 0x8c -> OP_DOUBLE_TO_FLOAT, 2
| 0x8d -> OP_INT_TO_BYTE, 2
| 0x8e -> OP_INT_TO_CHAR, 2
| 0x8f -> OP_INT_TO_SHORT, 2
| 0x90 -> OP_ADD_INT, 4
| 0x91 -> OP_SUB_INT, 4
| 0x92 -> OP_MUL_INT, 4
| 0x93 -> OP_DIV_INT, 4
| 0x94 -> OP_REM_INT, 4
| 0x95 -> OP_AND_INT, 4
| 0x96 -> OP_OR_INT, 4
| 0x97 -> OP_XOR_INT, 4
| 0x98 -> OP_SHL_INT, 4
| 0x99 -> OP_SHR_INT, 4
| 0x9a -> OP_USHR_INT, 4
| 0x9b -> OP_ADD_LONG, 4
| 0x9c -> OP_SUB_LONG, 4
| 0x9d -> OP_MUL_LONG, 4
| 0x9e -> OP_DIV_LONG, 4
| 0x9f -> OP_REM_LONG, 4
| 0xa0 -> OP_AND_LONG, 4
| 0xa1 -> OP_OR_LONG, 4
| 0xa2 -> OP_XOR_LONG, 4
| 0xa3 -> OP_SHL_LONG, 4
| 0xa4 -> OP_SHR_LONG, 4
| 0xa5 -> OP_USHR_LONG, 4
| 0xa6 -> OP_ADD_FLOAT, 4
| 0xa7 -> OP_SUB_FLOAT, 4
| 0xa8 -> OP_MUL_FLOAT, 4
| 0xa9 -> OP_DIV_FLOAT, 4
| 0xaa -> OP_REM_FLOAT, 4
| 0xab -> OP_ADD_DOUBLE, 4
| 0xac -> OP_SUB_DOUBLE, 4
| 0xad -> OP_MUL_DOUBLE, 4
| 0xae -> OP_DIV_DOUBLE, 4
| 0xaf -> OP_REM_DOUBLE, 4
| 0xb0 -> OP_ADD_INT_2ADDR, 2
| 0xb1 -> OP_SUB_INT_2ADDR, 2
| 0xb2 -> OP_MUL_INT_2ADDR, 2
| 0xb3 -> OP_DIV_INT_2ADDR, 2
| 0xb4 -> OP_REM_INT_2ADDR, 2
| 0xb5 -> OP_AND_INT_2ADDR, 2
| 0xb6 -> OP_OR_INT_2ADDR, 2
| 0xb7 -> OP_XOR_INT_2ADDR, 2
| 0xb8 -> OP_SHL_INT_2ADDR, 2
| 0xb9 -> OP_SHR_INT_2ADDR, 2
| 0xba -> OP_USHR_INT_2ADDR, 2
| 0xbb -> OP_ADD_LONG_2ADDR, 2
| 0xbc -> OP_SUB_LONG_2ADDR, 2
| 0xbd -> OP_MUL_LONG_2ADDR, 2
| 0xbe -> OP_DIV_LONG_2ADDR, 2
| 0xbf -> OP_REM_LONG_2ADDR, 2
| 0xc0 -> OP_AND_LONG_2ADDR, 2
| 0xc1 -> OP_OR_LONG_2ADDR, 2
| 0xc2 -> OP_XOR_LONG_2ADDR, 2
| 0xc3 -> OP_SHL_LONG_2ADDR, 2
| 0xc4 -> OP_SHR_LONG_2ADDR, 2
| 0xc5 -> OP_USHR_LONG_2ADDR, 2
| 0xc6 -> OP_ADD_FLOAT_2ADDR, 2
| 0xc7 -> OP_SUB_FLOAT_2ADDR, 2
| 0xc8 -> OP_MUL_FLOAT_2ADDR, 2
| 0xc9 -> OP_DIV_FLOAT_2ADDR, 2
| 0xca -> OP_REM_FLOAT_2ADDR, 2
| 0xcb -> OP_ADD_DOUBLE_2ADDR, 2
| 0xcc -> OP_SUB_DOUBLE_2ADDR, 2
| 0xcd -> OP_MUL_DOUBLE_2ADDR, 2
| 0xce -> OP_DIV_DOUBLE_2ADDR, 2
| 0xcf -> OP_REM_DOUBLE_2ADDR, 2
| 0xd0 -> OP_ADD_INT_LIT16, 4
| 0xd1 -> OP_RSUB_INT, 4
| 0xd2 -> OP_MUL_INT_LIT16, 4
| 0xd3 -> OP_DIV_INT_LIT16, 4
| 0xd4 -> OP_REM_INT_LIT16, 4
| 0xd5 -> OP_AND_INT_LIT16, 4
| 0xd6 -> OP_OR_INT_LIT16, 4
| 0xd7 -> OP_XOR_INT_LIT16, 4
| 0xd8 -> OP_ADD_INT_LIT8, 4
| 0xd9 -> OP_RSUB_INT_LIT8, 4
| 0xda -> OP_MUL_INT_LIT8, 4
| 0xdb -> OP_DIV_INT_LIT8, 4
| 0xdc -> OP_REM_INT_LIT8, 4
| 0xdd -> OP_AND_INT_LIT8, 4
| 0xde -> OP_OR_INT_LIT8, 4
| 0xdf -> OP_XOR_INT_LIT8, 4
| 0xe0 -> OP_SHL_INT_LIT8, 4
| 0xe1 -> OP_SHR_INT_LIT8, 4
| 0xe2 -> OP_USHR_INT_LIT8, 4
| _ -> OP_NOP, 0
(* hx_to_op : int -> opcode *)
let hx_to_op (hx: int) : opcode =
fst (hx_to_op_and_size hx)
(* op_to_hx_and_size : opcode -> int * int *)
let op_to_hx_and_size (op: opcode) : int * int =
match op with
| OP_NOP -> 0x00, 2
| OP_MOVE -> 0x01, 2
| OP_MOVE_FROM16 -> 0x02, 4
| OP_MOVE_16 -> 0x03, 6
| OP_MOVE_WIDE -> 0x04, 2
| OP_MOVE_WIDE_FROM16 -> 0x05, 4
| OP_MOVE_WIDE_16 -> 0x06, 6
| OP_MOVE_OBJECT -> 0x07, 2
| OP_MOVE_OBJECT_FROM16 -> 0x08, 4
| OP_MOVE_OBJECT_16 -> 0x09, 6
| OP_MOVE_RESULT -> 0x0a, 2
| OP_MOVE_RESULT_WIDE -> 0x0b, 2
| OP_MOVE_RESULT_OBJECT -> 0x0c, 2
| OP_MOVE_EXCEPTION -> 0x0d, 2
| OP_RETURN_VOID -> 0x0e, 2
| OP_RETURN -> 0x0f, 2
| OP_RETURN_WIDE -> 0x10, 2
| OP_RETURN_OBJECT -> 0x11, 2
| OP_CONST_4 -> 0x12, 2
| OP_CONST_16 -> 0x13, 4
| OP_CONST -> 0x14, 6
| OP_CONST_HIGH16 -> 0x15, 4
| OP_CONST_WIDE_16 -> 0x16, 4
| OP_CONST_WIDE_32 -> 0x17, 6
| OP_CONST_WIDE -> 0x18, 10
| OP_CONST_WIDE_HIGH16 -> 0x19, 4
| OP_CONST_STRING -> 0x1a, 4
| OP_CONST_STRING_JUMBO -> 0x1b, 6
| OP_CONST_CLASS -> 0x1c, 4
| OP_MONITOR_ENTER -> 0x1d, 2
| OP_MONITOR_EXIT -> 0x1e, 2
| OP_CHECK_CAST -> 0x1f, 4
| OP_INSTANCE_OF -> 0x20, 4
| OP_ARRAY_LENGTH -> 0x21, 2
| OP_NEW_INSTANCE -> 0x22, 4
| OP_NEW_ARRAY -> 0x23, 4
| OP_FILLED_NEW_ARRAY -> 0x24, 6
| OP_FILLED_NEW_ARRAY_RANGE -> 0x25, 6
| OP_FILL_ARRAY_DATA -> 0x26, 6
| OP_THROW -> 0x27, 2
| OP_GOTO -> 0x28, 2
| OP_GOTO_16 -> 0x29, 4
| OP_GOTO_32 -> 0x2a, 6
| OP_PACKED_SWITCH -> 0x2b, 6
| OP_SPARSE_SWITCH -> 0x2c, 6
| OP_CMPL_FLOAT -> 0x2d, 4
| OP_CMPG_FLOAT -> 0x2e, 4
| OP_CMPL_DOUBLE -> 0x2f, 4
| OP_CMPG_DOUBLE -> 0x30, 4
| OP_CMP_LONG -> 0x31, 4
| OP_IF_EQ -> 0x32, 4
| OP_IF_NE -> 0x33, 4
| OP_IF_LT -> 0x34, 4
| OP_IF_GE -> 0x35, 4
| OP_IF_GT -> 0x36, 4
| OP_IF_LE -> 0x37, 4
| OP_IF_EQZ -> 0x38, 4
| OP_IF_NEZ -> 0x39, 4
| OP_IF_LTZ -> 0x3a, 4
| OP_IF_GEZ -> 0x3b, 4
| OP_IF_GTZ -> 0x3c, 4
| OP_IF_LEZ -> 0x3d, 4
| OP_AGET -> 0x44, 4
| OP_AGET_WIDE -> 0x45, 4
| OP_AGET_OBJECT -> 0x46, 4
| OP_AGET_BOOLEAN -> 0x47, 4
| OP_AGET_BYTE -> 0x48, 4
| OP_AGET_CHAR -> 0x49, 4
| OP_AGET_SHORT -> 0x4a, 4
| OP_APUT -> 0x4b, 4
| OP_APUT_WIDE -> 0x4c, 4
| OP_APUT_OBJECT -> 0x4d, 4
| OP_APUT_BOOLEAN -> 0x4e, 4
| OP_APUT_BYTE -> 0x4f, 4
| OP_APUT_CHAR -> 0x50, 4
| OP_APUT_SHORT -> 0x51, 4
| OP_IGET -> 0x52, 4
| OP_IGET_WIDE -> 0x53, 4
| OP_IGET_OBJECT -> 0x54, 4