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evm.easm
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;; init memory (pc2 at first word)
push 0
msize
mstore
;; start loop (offset 4)
jumpdest
;; load pc2 + 1 (stored in msg.data[0:32])
push 0
mload
push 1
add
;; load msg.data.length
calldatasize
;; goto label end if (pc2 + 1 > msg.data.length)
lt
push 0x675
jumpi
;; pc2 < msg.data.length, continue loop
;; load pc2
push 0
mload
;; load bytecode[pc2] by (msg.data[pc2:pc2+32] >> 248)
calldataload
push 248
shr
;; stub is at (pc * 6) + stub_offset
push 6
mul
;; add jump-table start offset aka stub_offset
push 0x1f
add
;; jump to opcode stub / implementation
jump
;; each stub should be exactly 6 bytes
;; usually jumpdest + opcode + no-ops
;; 00 STOP
jumpdest
stop
invalid
invalid
invalid
invalid
;; 01 ADD
jumpdest
add
push 0x668
jump
;; 02 MUL
jumpdest
mul
push 0x668
jump
;; 03 SUB
jumpdest
sub
push 0x668
jump
;; 04 DIV
jumpdest
div
push 0x668
jump
;; 05 SDIV
jumpdest
sdiv
push 0x668
jump
;; 06 MOD
jumpdest
mod
push 0x668
jump
;; 07 SMOD
jumpdest
smod
push 0x668
jump
;; 08 ADDMOD
jumpdest
addmod
push 0x668
jump
;; 09 MULMOD
jumpdest
mulmod
push 0x668
jump
;; 0A EXP
jumpdest
exp
push 0x668
jump
;; 0B SIGNEXTEND
jumpdest
signextend
push 0x668
jump
;; 0c invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 0d invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 0e invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 0f invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 10 LT
jumpdest
lt
push 0x668
jump
;; 11 GT
jumpdest
gt
push 0x668
jump
;; 12 SLT
jumpdest
slt
push 0x668
jump
;; 13 SGT
jumpdest
sgt
push 0x668
jump
;; 14 EQ
jumpdest
eq
push 0x668
jump
;; 15 ISZERO
jumpdest
iszero
push 0x668
jump
;; 16 AND
jumpdest
and
push 0x668
jump
;; 17 OR
jumpdest
or
push 0x668
jump
;; 18 XOR
jumpdest
xor
push 0x668
jump
;; 19 NOT
jumpdest
not
push 0x668
jump
;; 1A BYTE
jumpdest
byte
push 0x668
jump
;; 1B SHL
jumpdest
shl
push 0x668
jump
;; 1C SHR
jumpdest
shr
push 0x668
jump
;; 1D SAR
jumpdest
sar
push 0x668
jump
;; 1e invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 1f invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 20 KECCAK256; TODO: jump to impl
jumpdest
;; keccak256
invalid
push 0x668
jump
;; 21 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 22 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 23 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 24 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 25 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 26 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 27 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 28 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 29 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2a invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2b invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2c invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2d invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2e invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 2f invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 30 ADDRESS
jumpdest
address
push 0x668
jump
;; 31 BALANCE
jumpdest
balance
push 0x668
jump
;; 32 ORIGIN
jumpdest
origin
push 0x668
jump
;; 33 CALLER
jumpdest
caller
push 0x668
jump
;; 34 CALLVALUE
jumpdest
callvalue
push 0x668
jump
;; 35 CALLDATALOAD; TODO: virtualize?
;; (requires an additional param for calldata which is annoying but essential)
jumpdest
calldataload
push 0x668
jump
;; 36 CALLDATASIIZE; TODO: fixup?
jumpdest
calldatasize
push 0x668
jump
;; 37 CALLDATACOPY; TODO: implement...
jumpdest
;; TODO: restore implementation.. :( will need to init with different code, or use sload or something :\
calldatacopy
push 0x668
jump
;; 38 CODESIZE; note this is simply implemented as CALLDATASIZE
jumpdest
calldatasize
push 0x668
jump
;; 39 CODECOPY; note this is simply implemented as CALLDATACOPY
jumpdest
calldatacopy
push 0x668
jump
;; 3A GASPRICE
jumpdest
gasprice
push 0x668
jump
;; 3B EXTCODESIZE
jumpdest
extcodesize
push 0x668
jump
;; 3C EXTCODECOPY
jumpdest
extcodecopy
push 0x668
jump
;; 3D RETURNDATASIZE
jumpdest
returndatasize
push 0x668
jump
;; 3E RETURNDATACOPY
jumpdest
returndatacopy
push 0x668
jump
;; 3F EXTCODEHASH
jumpdest
extcodehash
push 0x668
jump
;; 40 BLOCKHASH
jumpdest
blockhash
push 0x668
jump
;; 41 COINBASE
jumpdest
coinbase
push 0x668
jump
;; 42 TIMESTAMP
jumpdest
timestamp
push 0x668
jump
;; 43 NUMBER
jumpdest
number
push 0x668
jump
;; 44 DIFFICULTY / PREVRANDAO
jumpdest
difficulty
push 0x668
jump
;; 45 GASLIMIT
jumpdest
gaslimit
push 0x668
jump
;; 46 CHAINID
jumpdest
chainid
push 0x668
jump
;; 47 SELFBALANCE
jumpdest
selfbalance
push 0x668
jump
;; 48 BASEFEE
jumpdest
basefee
push 0x668
jump
;; 49 invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4a invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4b invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4c invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4d invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4e invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 4f invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 50 POP
jumpdest
pop
push 0x668
jump
;; 51 MLOAD (virtual)
jumpdest
push 0x644
jump
invalid
;; 52 MSTORE (virtual)
jumpdest
push 0x64d
jump
invalid
;; 53 MSTORE8 (virtual)
jumpdest
push 0x656
jump
invalid
;; 54 SLOAD
jumpdest
sload
push 0x668
jump
;; 55 SSTORE
jumpdest
sstore
push 0x668
jump
;; 56 JUMP ;; TODO: implement JUMP
jumpdest
invalid
push 0x668
jump
;; 57 JUMPI;; TODO: implement JUMPI
jumpdest
invalid
push 0x668
jump
;; 58 PC; TODO: virtualize
jumpdest
pc
push 0x668
jump
;; 59 MSIZE (virtual)
jumpdest
push 0x65f
jump
invalid
;; 5A GAS
jumpdest
gas
push 0x668
jump
;; 5B JUMPDEST
jumpdest
push 0x668
jump
invalid ;; save gas instead of executing jumpdest twice
;; 5c invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 5d invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 5e invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 5f invalid
jumpdest
invalid
invalid
invalid
invalid
invalid
;; 60 PUSH1
jumpdest
push 0x61f
jump
invalid
;; 61 PUSH2
jumpdest
push 0x61f
jump
invalid
;; 62 PUSH3
jumpdest
push 0x61f
jump
invalid
;; 63 PUSH4
jumpdest
push 0x61f
jump
invalid
;; 64 PUSH5
jumpdest
push 0x61f
jump
invalid
;; 65 PUSH6
jumpdest
push 0x61f
jump
invalid
;; 66 PUSH7
jumpdest
push 0x61f
jump
invalid
;; 67 PUSH8
jumpdest
push 0x61f
jump
invalid
;; 68 PUSH9
jumpdest
push 0x61f
jump
invalid
;; 69 PUSH10
jumpdest
push 0x61f
jump
invalid
;; 6A PUSH11
jumpdest
push 0x61f
jump
invalid
;; 6B PUSH12
jumpdest
push 0x61f
jump
invalid
;; 6C PUSH13
jumpdest
push 0x61f
jump
invalid
;; 6D PUSH14
jumpdest
push 0x61f
jump
invalid
;; 6E PUSH15
jumpdest
push 0x61f
jump
invalid
;; 6F PUSH16
jumpdest
push 0x61f
jump
invalid
;; 70 PUSH17
jumpdest
push 0x61f
jump
invalid
;; 71 PUSH18
jumpdest
push 0x61f
jump
invalid
;; 72 PUSH19
jumpdest
push 0x61f
jump
invalid
;; 73 PUSH20
jumpdest
push 0x61f
jump
invalid
;; 74 PUSH21
jumpdest
push 0x61f
jump
invalid
;; 75 PUSH22
jumpdest
push 0x61f
jump
invalid
;; 76 PUSH23
jumpdest
push 0x61f
jump
invalid
;; 77 PUSH24
jumpdest
push 0x61f
jump
invalid
;; 78 PUSH25
jumpdest
push 0x61f
jump
invalid
;; 79 PUSH26
jumpdest
push 0x61f
jump
invalid
;; 7A PUSH27
jumpdest
push 0x61f
jump
invalid
;; 7B PUSH28
jumpdest
push 0x61f
jump
invalid
;; 7C PUSH29
jumpdest
push 0x61f
jump
invalid
;; 7D PUSH30
jumpdest
push 0x61f
jump
invalid
;; 7E PUSH31
jumpdest
push 0x61f
jump
invalid
;; 7F PUSH32
jumpdest
push 0x61f
jump
invalid
;; 80 DUP1
jumpdest
dup1
push 0x668
jump
;; 81 DUP2
jumpdest
dup2
push 0x668
jump
;; 82 DUP3
jumpdest
dup3
push 0x668
jump
;; 83 DUP4
jumpdest
dup4
push 0x668
jump
;; 84 DUP5
jumpdest
dup5
push 0x668
jump
;; 85 DUP6
jumpdest
dup6
push 0x668
jump
;; 86 DUP7
jumpdest
dup7
push 0x668
jump
;; 87 DUP8
jumpdest
dup8
push 0x668
jump
;; 88 DUP9
jumpdest
dup9
push 0x668
jump
;; 89 DUP10
jumpdest
dup10
push 0x668
jump
;; 8A DUP11
jumpdest
dup11
push 0x668
jump
;; 8B DUP12
jumpdest
dup12
push 0x668
jump
;; 8C DUP13
jumpdest
dup13
push 0x668
jump
;; 8D DUP14
jumpdest
dup14
push 0x668
jump
;; 8E DUP15
jumpdest
dup15
push 0x668
jump
;; 8F DUP16
jumpdest
dup16
push 0x668
jump
;; 90 SWAP1
jumpdest
swap1
push 0x668
jump
;; 91 SWAP2
jumpdest
swap2
push 0x668
jump
;; 92 SWAP3
jumpdest
swap3
push 0x668
jump
;; 93 SWAP4
jumpdest