// SPDX-FileCopyrightText: 2009-2012 earada <pkedurat@gmail.com>
// SPDX-License-Identifier: LGPL-3.0-only

#ifndef DALVIK_OPCODE_H
#define DALVIK_OPCODE_H

enum fmt_inst {
	fmt00 = 0, // None
	fmtop, // op
	fmtopvAvB, // op vA, vB
	fmtopvAcB, // op vA, #+B
	fmtopvAA, // op vAA
	fmtoppAA, // op +AA
	fmtopAAtBBBB, // op AA, thing@BBBB
	fmtoppAAAA, // op +AAAA
	fmtopvAAvBBBB, // op vAA, vBBBB
	fmtopvAApBBBB, // op vAA, +BBBB
	fmtopvAAcBBBB, // op vAA, #+BBBB
	fmtopvAAcBBBB0000, // op vAA, #+BBBB00000[00000000]
	fmtopvAAtBBBB, // op vAA, thing@BBBB
	fmtopvAAvBBvCC, // op vAA, vBB, vCC
	fmtopvAAvBBcCC, // op vAA, vBB, #+CC
	fmtopvAvBpCCCC, // op vA, vB, +CCCC
	fmtopvAvBcCCCC, // op vA, vB, #+CCCC
	fmtopvAvBtCCCC, // op vA, vB, thing@CCCC
	fmtoptopvAvBoCCCC, // [opt] op vA, vB, field offset CCCC
	fmtopvAAAAvBBBB, // op vAAAA, vBBBB
	fmtoppAAAAAAAA, // op +AAAAAAAA
	fmtopvAApBBBBBBBB, // op vAA, +BBBBBBBB
	fmtopvAAcBBBBBBBB, // op vAA, #+BBBBBBBB
	fmtopvAAtBBBBBBBB, // op vAA, thing@BBBBBBBB
	fmtopvXtBBBB, // op {vC, vD, vE, vF, vG}, thing@BBBB (B: count, A: vG)
	fmtoptinvokeVS, // [opt] invoke-virtual+super
	fmtoptinvokeI, // [opt] invoke-interface
	fmtopvCCCCmBBBB, // op {vCCCC .. v(CCCC+AA-1)}, meth@BBBB
	fmtoptinvokeVSR, // [opt] invoke-virtual+super/range
	fmtoptinvokeIR, // [opt] invoke-interface/range
	fmtoptinlineI, // [opt] inline invoke
	fmtoptinlineIR, // [opt] inline invoke/range
	fmtopvAAcBBBBBBBBBBBBBBBB, // op vAA, #+BBBBBBBBBBBBBBBB
	fmtop45CC,
	fmtop4RCC,
	fmtoptinvokcustom,
};

struct dalvik_opcodes_t {
	char *name;
	int len;
	int fmt;
};

static const struct dalvik_opcodes_t dalvik_opcodes[256] = {
	{ "nop", 2, fmtop }, /* 0x00 */
	{ "move", 2, fmtopvAvB },
	{ "move/from16", 4, fmtopvAAvBBBB },
	{ "move/16", 6, fmtopvAAAAvBBBB },
	{ "move-wide", 2, fmtopvAvB },
	{ "move-wide/from16", 4, fmtopvAAvBBBB },
	{ "move-wide/16", 6, fmtopvAAAAvBBBB },
	{ "move-object", 2, fmtopvAvB },
	{ "move-object/from16", 4, fmtopvAAvBBBB },
	{ "move-object/16", 6, fmtopvAAAAvBBBB },
	{ "move-result", 2, fmtopvAA },
	{ "move-result-wide", 2, fmtopvAA },
	{ "move-result-object", 2, fmtopvAA },
	{ "move-exception", 2, fmtopvAA },
	{ "return-void", 2, fmtop },
	{ "return", 2, fmtopvAA },
	{ "return-wide", 2, fmtopvAA }, /* 0x10 */
	{ "return-object", 2, fmtopvAA },
	{ "const/4", 2, fmtopvAcB },
	{ "const/16", 4, fmtopvAAcBBBB },
	{ "const", 6, fmtopvAAcBBBBBBBB },
	{ "const/high16", 4, fmtopvAAcBBBB0000 },
	{ "const-wide/16", 4, fmtopvAAcBBBB },
	{ "const-wide/32", 6, fmtopvAAcBBBBBBBB },
	{ "const-wide", 10, fmtopvAAcBBBBBBBBBBBBBBBB },
	{ "const-wide/high16", 4, fmtopvAAcBBBB0000 },
	{ "const-string", 4, fmtopvAAtBBBB },
	{ "const-string/jumbo", 6, fmtopvAAtBBBBBBBB },
	{ "const-class", 4, fmtopvAAtBBBB },
	{ "monitor-enter", 2, fmtopvAA },
	{ "monitor-exit", 2, fmtopvAA },
	{ "check-cast", 4, fmtopvAAtBBBB },
	{ "instance-of", 4, fmtopvAvBtCCCC }, /* 0x20 */
	{ "array-length", 2, fmtopvAvB },
	{ "new-instance", 4, fmtopvAAtBBBB },
	{ "new-array", 4, fmtopvAvBtCCCC },
	{ "filled-new-array", 6, fmtopvXtBBBB },
	{ "filled-new-array/range", 6, fmtopvCCCCmBBBB },
	{ "fill-array-data", 6, fmtopvAApBBBBBBBB },
	{ "throw", 2, fmtopvAA },
	{ "goto", 2, fmtoppAA },
	{ "goto/16", 4, fmtoppAAAA },
	{ "goto/32", 6, fmtoppAAAAAAAA },
	{ "packed-switch", 6, fmtopvAApBBBBBBBB },
	{ "sparse-switch", 6, fmtopvAApBBBBBBBB },
	{ "cmpl-float", 4, fmtopvAAvBBvCC },
	{ "cmpg-float", 4, fmtopvAAvBBvCC },
	{ "cmpl-double", 4, fmtopvAAvBBvCC },
	{ "cmpg-double", 4, fmtopvAAvBBvCC }, /* 0x30 */
	{ "cmp-long", 4, fmtopvAAvBBvCC },
	{ "if-eq", 4, fmtopvAvBpCCCC },
	{ "if-ne", 4, fmtopvAvBpCCCC },
	{ "if-lt", 4, fmtopvAvBpCCCC },
	{ "if-ge", 4, fmtopvAvBpCCCC },
	{ "if-gt", 4, fmtopvAvBpCCCC },
	{ "if-le", 4, fmtopvAvBpCCCC },
	{ "if-eqz", 4, fmtopvAApBBBB },
	{ "if-nez", 4, fmtopvAApBBBB },
	{ "if-ltz", 4, fmtopvAApBBBB },
	{ "if-gez", 4, fmtopvAApBBBB },
	{ "if-gtz", 4, fmtopvAApBBBB },
	{ "if-lez", 4, fmtopvAApBBBB },
	{ "UNUSED", 2, fmt00 },
	{ "UNUSED", 2, fmt00 },
	{ "UNUSED", 2, fmt00 }, /* 0x40 */
	{ "UNUSED", 2, fmt00 },
	{ "UNUSED", 2, fmt00 },
	{ "UNUSED", 2, fmt00 },
	{ "aget", 4, fmtopvAAvBBvCC },
	{ "aget-wide", 4, fmtopvAAvBBvCC },
	{ "aget-object", 4, fmtopvAAvBBvCC },
	{ "aget-boolean", 4, fmtopvAAvBBvCC },
	{ "aget-byte", 4, fmtopvAAvBBvCC },
	{ "aget-char", 4, fmtopvAAvBBvCC },
	{ "aget-short", 4, fmtopvAAvBBvCC },
	{ "aput", 4, fmtopvAAvBBvCC },
	{ "aput-wide", 4, fmtopvAAvBBvCC },
	{ "aput-object", 4, fmtopvAAvBBvCC },
	{ "aput-boolean", 4, fmtopvAAvBBvCC },
	{ "aput-byte", 4, fmtopvAAvBBvCC },
	{ "aput-char", 4, fmtopvAAvBBvCC }, /* 0x50 */
	{ "aput-short", 4, fmtopvAAvBBvCC },
	{ "iget", 4, fmtopvAvBtCCCC },
	{ "iget-wide", 4, fmtopvAvBtCCCC },
	{ "iget-object", 4, fmtopvAvBtCCCC },
	{ "iget-boolean", 4, fmtopvAvBtCCCC },
	{ "iget-byte", 4, fmtopvAvBtCCCC },
	{ "iget-char", 4, fmtopvAvBtCCCC },
	{ "iget-short", 4, fmtopvAvBtCCCC },
	{ "iput", 4, fmtopvAvBtCCCC },
	{ "iput-wide", 4, fmtopvAvBtCCCC },
	{ "iput-object", 4, fmtopvAvBtCCCC },
	{ "iput-boolean", 4, fmtopvAvBtCCCC },
	{ "iput-byte", 4, fmtopvAvBtCCCC },
	{ "iput-char", 4, fmtopvAvBtCCCC },
	{ "iput-short", 4, fmtopvAvBtCCCC },
	{ "sget", 4, fmtopvAAtBBBB }, /* 0x60 */
	{ "sget-wide", 4, fmtopvAAtBBBB },
	{ "sget-object", 4, fmtopvAAtBBBB },
	{ "sget-boolean", 4, fmtopvAAtBBBB },
	{ "sget-byte", 4, fmtopvAAtBBBB },
	{ "sget-char", 4, fmtopvAAtBBBB },
	{ "sget-short", 4, fmtopvAAtBBBB },
	{ "sput", 4, fmtopvAAtBBBB },
	{ "sput-wide", 4, fmtopvAAtBBBB },
	{ "sput-object", 4, fmtopvAAtBBBB },
	{ "sput-boolean", 4, fmtopvAAtBBBB },
	{ "sput-byte", 4, fmtopvAAtBBBB },
	{ "sput-char", 4, fmtopvAAtBBBB },
	{ "sput-short", 4, fmtopvAAtBBBB },
	{ "invoke-virtual", 6, fmtopvXtBBBB },
	{ "invoke-super", 6, fmtopvXtBBBB },
	{ "invoke-direct", 6, fmtopvXtBBBB }, /* 0x70 */
	{ "invoke-static", 6, fmtopvXtBBBB },
	{ "invoke-interface", 6, fmtopvXtBBBB }, // XXX: Maybe use opt invoke-interface ??
	{ "UNUSED", 2, fmt00 },
	{ "invoke-virtual/range", 6, fmtopvCCCCmBBBB },
	{ "invoke-super/range", 6, fmtopvCCCCmBBBB },
	{ "invoke-direct/range", 6, fmtopvCCCCmBBBB },
	{ "invoke-static/range", 6, fmtopvCCCCmBBBB },
	{ "invoke-interface/range", 6, fmtopvCCCCmBBBB },
	{ "UNUSED", 2, fmt00 },
	{ "UNUSED", 2, fmt00 },
	{ "neg-int", 2, fmtopvAvB },
	{ "not-int", 2, fmtopvAvB },
	{ "neg-long", 2, fmtopvAvB },
	{ "not-long", 2, fmtopvAvB },
	{ "neg-float", 2, fmtopvAvB },
	{ "neg-double", 2, fmtopvAvB }, /* 0x80 */
	{ "int-to-long", 2, fmtopvAvB },
	{ "int-to-float", 2, fmtopvAvB },
	{ "int-to-double", 2, fmtopvAvB },
	{ "long-to-int", 2, fmtopvAvB },
	{ "long-to-float", 2, fmtopvAvB },
	{ "long-to-double", 2, fmtopvAvB },
	{ "float-to-int", 2, fmtopvAvB },
	{ "float-to-long", 2, fmtopvAvB },
	{ "float-to-double", 2, fmtopvAvB },
	{ "double-to-int", 2, fmtopvAvB },
	{ "double-to-long", 2, fmtopvAvB },
	{ "double-to-float", 2, fmtopvAvB },
	{ "int-to-byte", 2, fmtopvAvB },
	{ "int-to-char", 2, fmtopvAvB },
	{ "int-to-short", 2, fmtopvAvB },
	{ "add-int", 4, fmtopvAAvBBvCC }, /* 0x90 */
	{ "sub-int", 4, fmtopvAAvBBvCC },
	{ "mul-int", 4, fmtopvAAvBBvCC },
	{ "div-int", 4, fmtopvAAvBBvCC },
	{ "rem-int", 4, fmtopvAAvBBvCC },
	{ "and-int", 4, fmtopvAAvBBvCC },
	{ "or-int", 4, fmtopvAAvBBvCC },
	{ "xor-int", 4, fmtopvAAvBBvCC },
	{ "shl-int", 4, fmtopvAAvBBvCC },
	{ "shr-int", 4, fmtopvAAvBBvCC },
	{ "ushr-int", 4, fmtopvAAvBBvCC },
	{ "add-long", 4, fmtopvAAvBBvCC },
	{ "sub-long", 4, fmtopvAAvBBvCC },
	{ "mul-long", 4, fmtopvAAvBBvCC },
	{ "div-long", 4, fmtopvAAvBBvCC },
	{ "rem-long", 4, fmtopvAAvBBvCC },
	{ "and-long", 4, fmtopvAAvBBvCC }, /* 0xa0 */
	{ "or-long", 4, fmtopvAAvBBvCC },
	{ "xor-long", 4, fmtopvAAvBBvCC },
	{ "shl-long", 4, fmtopvAAvBBvCC },
	{ "shr-long", 4, fmtopvAAvBBvCC },
	{ "ushr-long", 4, fmtopvAAvBBvCC },
	{ "add-float", 4, fmtopvAAvBBvCC },
	{ "sub-float", 4, fmtopvAAvBBvCC },
	{ "mul-float", 4, fmtopvAAvBBvCC },
	{ "div-float", 4, fmtopvAAvBBvCC },
	{ "rem-float", 4, fmtopvAAvBBvCC },
	{ "add-double", 4, fmtopvAAvBBvCC },
	{ "sub-double", 4, fmtopvAAvBBvCC },
	{ "mul-double", 4, fmtopvAAvBBvCC },
	{ "div-double", 4, fmtopvAAvBBvCC },
	{ "rem-double", 4, fmtopvAAvBBvCC },
	{ "add-int/2addr", 2, fmtopvAvB }, /* 0xb0 */
	{ "sub-int/2addr", 2, fmtopvAvB },
	{ "mul-int/2addr", 2, fmtopvAvB },
	{ "div-int/2addr", 2, fmtopvAvB },
	{ "rem-int/2addr", 2, fmtopvAvB },
	{ "and-int/2addr", 2, fmtopvAvB },
	{ "or-int/2addr", 2, fmtopvAvB },
	{ "xor-int/2addr", 2, fmtopvAvB },
	{ "shl-int/2addr", 2, fmtopvAvB },
	{ "shr-int/2addr", 2, fmtopvAvB },
	{ "ushr-int/2addr", 2, fmtopvAvB },
	{ "add-long/2addr", 2, fmtopvAvB },
	{ "sub-long/2addr", 2, fmtopvAvB },
	{ "mul-long/2addr", 2, fmtopvAvB },
	{ "div-long/2addr", 2, fmtopvAvB },
	{ "rem-long/2addr", 2, fmtopvAvB },
	{ "and-long/2addr", 2, fmtopvAvB }, /* 0xc0 */
	{ "or-long/2addr", 2, fmtopvAvB },
	{ "xor-long/2addr", 2, fmtopvAvB },
	{ "shl-long/2addr", 2, fmtopvAvB },
	{ "shr-long/2addr", 2, fmtopvAvB },
	{ "ushr-long/2addr", 2, fmtopvAvB },
	{ "add-float/2addr", 2, fmtopvAvB },
	{ "sub-float/2addr", 2, fmtopvAvB },
	{ "mul-float/2addr", 2, fmtopvAvB },
	{ "div-float/2addr", 2, fmtopvAvB },
	{ "rem-float/2addr", 2, fmtopvAvB },
	{ "add-double/2addr", 2, fmtopvAvB },
	{ "sub-double/2addr", 2, fmtopvAvB },
	{ "mul-double/2addr", 2, fmtopvAvB },
	{ "div-double/2addr", 2, fmtopvAvB },
	{ "rem-double/2addr", 2, fmtopvAvB },
	{ "add-int/lit16", 4, fmtopvAvBcCCCC }, /* 0xd0 */
	{ "rsub-int", 4, fmtopvAvBcCCCC },
	{ "mul-int/lit16", 4, fmtopvAvBcCCCC },
	{ "div-int/lit16", 4, fmtopvAvBcCCCC },
	{ "rem-int/lit16", 4, fmtopvAvBcCCCC },
	{ "and-int/lit16", 4, fmtopvAvBcCCCC },
	{ "or-int/lit16", 4, fmtopvAvBcCCCC },
	{ "xor-int/lit16", 4, fmtopvAvBcCCCC },
	{ "add-int/lit8", 4, fmtopvAAvBBcCC },
	{ "rsub-int/lit8", 4, fmtopvAAvBBcCC },
	{ "mul-int/lit8", 4, fmtopvAAvBBcCC },
	{ "div-int/lit8", 4, fmtopvAAvBBcCC },
	{ "rem-int/lit8", 4, fmtopvAAvBBcCC },
	{ "and-int/lit8", 4, fmtopvAAvBBcCC },
	{ "or-int/lit8", 4, fmtopvAAvBBcCC },
	{ "xor-int/lit8", 4, fmtopvAAvBBcCC },
	{ "shl-int/lit8", 4, fmtopvAAvBBcCC }, /* 0xe0 */
	{ "shr-int/lit8", 4, fmtopvAAvBBcCC },
	{ "ushr-int/lit8", 4, fmtopvAAvBBcCC },
	{ "+iget-volatile", 4, fmtopvAvBtCCCC },
	{ "+iput-volatile", 4, fmtopvAvBtCCCC },
	{ "+sget-volatile", 4, fmtopvAvBtCCCC },
	{ "+sput-volatile", 4, fmtopvAvBtCCCC },
	{ "+iget-object-volatile", 4, fmtopvAvBtCCCC },
	{ "+iget-wide-volatile", 4, fmtopvAvBtCCCC },
	{ "+iput-wide-volatile", 4, fmtopvAvBtCCCC },
	{ "+sget-wide-volatile", 4, fmtopvAvBtCCCC },
	{ "+sput-wide-volatile", 4, fmtopvAvBtCCCC },
	{ "^breakpoint", 4, fmtopvAvBtCCCC },
	{ "^throw-verification-error", 4, fmtopAAtBBBB },
	{ "+execute-inline", 6, fmtoptinlineI },
	{ "+execute-inline/range", 6, fmtoptinlineIR },
	//{"+invoke-direct-empty", 6, fmtopvXtBBBB}, /* 0xf0 */ // invoke-object-init-range
	{ "+invoke-object-init-range", 6, fmtopvXtBBBB }, /* 0xf0 */ // invoke-object-init-range
	{ "return-void-barrier", 2, fmtop },
	{ "+iget-quick", 4, fmtoptopvAvBoCCCC },
	{ "+iget-wide-quick", 4, fmtoptopvAvBoCCCC },
	{ "+iget-object-quick", 4, fmtoptopvAvBoCCCC },
	{ "+iput-quick", 4, fmtoptopvAvBoCCCC },
	{ "+iput-wide-quick", 4, fmtoptopvAvBoCCCC },
	{ "+iput-object-quick", 4, fmtoptopvAvBoCCCC },
	{ "+invoke-virtual-quick", 6, fmtoptinvokeVS },
	{ "+invoke-virtual-quick/range", 6, fmtoptinvokeVSR },
	{ "invoke-polymorphic", 8, fmtop45CC },
	{ "invoke-polymorphic/range", 8, fmtop4RCC },
	{ "invoke-custom", 6, fmtopvXtBBBB },
	{ "invoke-custom/range", 6, fmtopvCCCCmBBBB },
	{ "+sput-object-volatile", 4, fmtopvAAtBBBB },
	{ "invalid", 2, fmtop }
};

#endif
