246 lines
5.7 KiB
Go
246 lines
5.7 KiB
Go
package opcode
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//go:generate stringer -type=Opcode -linecomment
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// Opcode represents a single operation code for the Neo virtual machine.
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type Opcode byte
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// Viable list of supported instruction constants.
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const (
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// Constants.
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PUSHINT8 Opcode = 0x00
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PUSHINT16 Opcode = 0x01
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PUSHINT32 Opcode = 0x02
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PUSHINT64 Opcode = 0x03
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PUSHINT128 Opcode = 0x04
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PUSHINT256 Opcode = 0x05
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PUSHT Opcode = 0x08
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PUSHF Opcode = 0x09
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PUSHA Opcode = 0x0A
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PUSHNULL Opcode = 0x0B
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PUSHDATA1 Opcode = 0x0C
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PUSHDATA2 Opcode = 0x0D
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PUSHDATA4 Opcode = 0x0E
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PUSHM1 Opcode = 0x0F
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PUSH0 Opcode = 0x10
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PUSH1 Opcode = 0x11
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PUSH2 Opcode = 0x12
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PUSH3 Opcode = 0x13
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PUSH4 Opcode = 0x14
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PUSH5 Opcode = 0x15
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PUSH6 Opcode = 0x16
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PUSH7 Opcode = 0x17
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PUSH8 Opcode = 0x18
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PUSH9 Opcode = 0x19
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PUSH10 Opcode = 0x1A
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PUSH11 Opcode = 0x1B
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PUSH12 Opcode = 0x1C
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PUSH13 Opcode = 0x1D
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PUSH14 Opcode = 0x1E
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PUSH15 Opcode = 0x1F
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PUSH16 Opcode = 0x20
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// Flow control.
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NOP Opcode = 0x21
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JMP Opcode = 0x22
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JMPL Opcode = 0x23 // JMP_L
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JMPIF Opcode = 0x24
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JMPIFL Opcode = 0x25 // JMPIF_L
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JMPIFNOT Opcode = 0x26
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JMPIFNOTL Opcode = 0x27 // JMPIFNOT_L
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JMPEQ Opcode = 0x28
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JMPEQL Opcode = 0x29 // JMPEQ_L
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JMPNE Opcode = 0x2A
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JMPNEL Opcode = 0x2B // JMPNE_L
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JMPGT Opcode = 0x2C
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JMPGTL Opcode = 0x2D // JMPGT_L
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JMPGE Opcode = 0x2E
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JMPGEL Opcode = 0x2F // JMPGE_L
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JMPLT Opcode = 0x30
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JMPLTL Opcode = 0x31 // JMPLT_L
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JMPLE Opcode = 0x32
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JMPLEL Opcode = 0x33 // JMPLE_L
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CALL Opcode = 0x34
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CALLL Opcode = 0x35 // CALL_L
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CALLA Opcode = 0x36
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CALLT Opcode = 0x37
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// Exceptions.
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ABORT Opcode = 0x38
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ASSERT Opcode = 0x39
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THROW Opcode = 0x3A
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TRY Opcode = 0x3B
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TRYL Opcode = 0x3C // TRY_L
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ENDTRY Opcode = 0x3D
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ENDTRYL Opcode = 0x3E // ENDTRY_L
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ENDFINALLY Opcode = 0x3F
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RET Opcode = 0x40
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SYSCALL Opcode = 0x41
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// Stack.
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DEPTH Opcode = 0x43
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DROP Opcode = 0x45
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NIP Opcode = 0x46
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XDROP Opcode = 0x48
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CLEAR Opcode = 0x49
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DUP Opcode = 0x4A
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OVER Opcode = 0x4B
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PICK Opcode = 0x4D
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TUCK Opcode = 0x4E
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SWAP Opcode = 0x50
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ROT Opcode = 0x51
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ROLL Opcode = 0x52
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REVERSE3 Opcode = 0x53
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REVERSE4 Opcode = 0x54
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REVERSEN Opcode = 0x55
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// Slots.
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INITSSLOT Opcode = 0x56
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INITSLOT Opcode = 0x57
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LDSFLD0 Opcode = 0x58
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LDSFLD1 Opcode = 0x59
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LDSFLD2 Opcode = 0x5A
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LDSFLD3 Opcode = 0x5B
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LDSFLD4 Opcode = 0x5C
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LDSFLD5 Opcode = 0x5D
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LDSFLD6 Opcode = 0x5E
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LDSFLD Opcode = 0x5F
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STSFLD0 Opcode = 0x60
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STSFLD1 Opcode = 0x61
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STSFLD2 Opcode = 0x62
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STSFLD3 Opcode = 0x63
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STSFLD4 Opcode = 0x64
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STSFLD5 Opcode = 0x65
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STSFLD6 Opcode = 0x66
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STSFLD Opcode = 0x67
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LDLOC0 Opcode = 0x68
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LDLOC1 Opcode = 0x69
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LDLOC2 Opcode = 0x6A
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LDLOC3 Opcode = 0x6B
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LDLOC4 Opcode = 0x6C
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LDLOC5 Opcode = 0x6D
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LDLOC6 Opcode = 0x6E
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LDLOC Opcode = 0x6F
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STLOC0 Opcode = 0x70
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STLOC1 Opcode = 0x71
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STLOC2 Opcode = 0x72
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STLOC3 Opcode = 0x73
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STLOC4 Opcode = 0x74
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STLOC5 Opcode = 0x75
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STLOC6 Opcode = 0x76
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STLOC Opcode = 0x77
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LDARG0 Opcode = 0x78
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LDARG1 Opcode = 0x79
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LDARG2 Opcode = 0x7A
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LDARG3 Opcode = 0x7B
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LDARG4 Opcode = 0x7C
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LDARG5 Opcode = 0x7D
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LDARG6 Opcode = 0x7E
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LDARG Opcode = 0x7F
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STARG0 Opcode = 0x80
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STARG1 Opcode = 0x81
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STARG2 Opcode = 0x82
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STARG3 Opcode = 0x83
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STARG4 Opcode = 0x84
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STARG5 Opcode = 0x85
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STARG6 Opcode = 0x86
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STARG Opcode = 0x87
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// Splice.
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NEWBUFFER Opcode = 0x88
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MEMCPY Opcode = 0x89
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CAT Opcode = 0x8B
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SUBSTR Opcode = 0x8C
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LEFT Opcode = 0x8D
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RIGHT Opcode = 0x8E
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// Bitwise logic.
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INVERT Opcode = 0x90
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AND Opcode = 0x91
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OR Opcode = 0x92
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XOR Opcode = 0x93
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EQUAL Opcode = 0x97
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NOTEQUAL Opcode = 0x98
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// Arithmetic.
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SIGN Opcode = 0x99
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ABS Opcode = 0x9A
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NEGATE Opcode = 0x9B
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INC Opcode = 0x9C
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DEC Opcode = 0x9D
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ADD Opcode = 0x9E
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SUB Opcode = 0x9F
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MUL Opcode = 0xA0
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DIV Opcode = 0xA1
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MOD Opcode = 0xA2
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POW Opcode = 0xA3
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SQRT Opcode = 0xA4
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MODMUL Opcode = 0xA5
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MODPOW Opcode = 0xA6
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SHL Opcode = 0xA8
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SHR Opcode = 0xA9
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NOT Opcode = 0xAA
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BOOLAND Opcode = 0xAB
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BOOLOR Opcode = 0xAC
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NZ Opcode = 0xB1
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NUMEQUAL Opcode = 0xB3
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NUMNOTEQUAL Opcode = 0xB4
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LT Opcode = 0xB5
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LE Opcode = 0xB6
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GT Opcode = 0xB7
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GE Opcode = 0xB8
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MIN Opcode = 0xB9
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MAX Opcode = 0xBA
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WITHIN Opcode = 0xBB
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// Advanced data structures (arrays, structures, maps).
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PACKMAP Opcode = 0xBE
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PACKSTRUCT Opcode = 0xBF
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PACK Opcode = 0xC0
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UNPACK Opcode = 0xC1
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NEWARRAY0 Opcode = 0xC2
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NEWARRAY Opcode = 0xC3
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NEWARRAYT Opcode = 0xC4 // NEWARRAY_T
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NEWSTRUCT0 Opcode = 0xC5
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NEWSTRUCT Opcode = 0xC6
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NEWMAP Opcode = 0xC8
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SIZE Opcode = 0xCA
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HASKEY Opcode = 0xCB
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KEYS Opcode = 0xCC
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VALUES Opcode = 0xCD
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PICKITEM Opcode = 0xCE
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APPEND Opcode = 0xCF
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SETITEM Opcode = 0xD0
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REVERSEITEMS Opcode = 0xD1
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REMOVE Opcode = 0xD2
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CLEARITEMS Opcode = 0xD3
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POPITEM Opcode = 0xD4
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// Types.
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ISNULL Opcode = 0xD8
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ISTYPE Opcode = 0xD9
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CONVERT Opcode = 0xDB
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// Extensions.
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ABORTMSG Opcode = 0xE0
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ASSERTMSG Opcode = 0xE1
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)
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var validCodes [256]bool
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func init() {
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// We rely on stringer here, it has a map anyway.
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for op := range _Opcode_map {
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validCodes[int(op)] = true
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}
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}
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// IsValid returns true if the opcode passed is valid (defined in the VM).
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func IsValid(op Opcode) bool {
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return validCodes[int(op)]
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}
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