103 lines
3.4 KiB
Nim
103 lines
3.4 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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## EVM Opcode Handler Tables
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## =========================
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##
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const
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noisy {.intdefine.}: int = 0
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isNoisy {.used.} = noisy > 0
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import
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strformat,
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./op_codes,
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./op_handlers/[oph_defs,
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oph_arithmetic, oph_hash, oph_envinfo, oph_blockdata,
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oph_memory,
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oph_sysops]
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# ------------------------------------------------------------------------------
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# Helper
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# ------------------------------------------------------------------------------
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proc importList(rc: var array[Op,Vm2OpExec];
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sel: Fork; list: seq[Vm2OpExec]; s: string) {.compileTime.} =
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for w in list:
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if sel notin w.forks:
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continue
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var oInf = rc[w.opCode].info
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if oInf != "" or 0 < rc[w.opCode].forks.card:
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echo &"*** {s}: duplicate <{w.opCode}> entry: \"{oInf}\" vs. \"{w.info}\""
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doAssert rc[w.opCode].info == ""
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doAssert rc[w.opCode].forks.card == 0
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rc[w.opCode] = w
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proc mkOpTable(select: Fork): array[Op,Vm2OpExec] {.compileTime.} =
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result.importList(select, vm2OpExecArithmetic, "Arithmetic")
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result.importList(select, vm2OpExecHash, "Hash")
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result.importList(select, vm2OpExecEnvInfo, "EnvInfo")
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result.importList(select, vm2OpExecBlockData, "BlockData")
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result.importList(select, vm2OpExecMemory, "Memory")
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result.importList(select, vm2OpExecSysOP, "SysOp")
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for op in Op:
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if select notin result[op].forks:
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result[op] = result[Invalid]
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result[op].opCode = op
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# ------------------------------------------------------------------------------
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# Public handler tables
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# ------------------------------------------------------------------------------
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const
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vm2OpHandlers* = block:
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var rc: array[Fork, array[Op, Vm2OpExec]]
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for w in Fork:
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rc[w] = w.mkOpTable
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rc
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# vm2OpTabFrontier* = vm2OpHandlers[FkFrontier]
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# vm2OpTabHomestead* = vm2OpHandlers[FkHomestead]
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# vm2OpTabTangerine* = vm2OpHandlers[FkTangerine]
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# vm2OpTabSpurious* = vm2OpHandlers[FkSpurious]
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# vm2OpTabByzantium* = vm2OpHandlers[FkByzantium]
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# vm2OpTabConstantinople* = vm2OpHandlers[FkConstantinople]
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# vm2OpTabPetersburg* = vm2OpHandlers[FkPetersburg]
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# vm2OpTabIstanbul* = vm2OpHandlers[FkIstanbul]
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# vm2OpTabBerlin* = vm2OpHandlers[FkBerlin]
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# ------------------------------------------------------------------------------
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# Debugging ...
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# ------------------------------------------------------------------------------
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when isMainModule and isNoisy:
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var dummy = 0
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proc gdbBPSink() =
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dummy.inc
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gdbBPSink()
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echo ">>> berlin[shl]: ",
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vm2OpHandlers[FkBerlin][Shl].info
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echo ">>> frontier[sstore]: ",
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vm2OpHandlers[FkFrontier][Sstore].info
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echo ">>> constantinople[sstore]: ",
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vm2OpHandlers[FkConstantinople][Sstore].info
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echo ">>> berlin[sstore]: ",
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vm2OpHandlers[FkBerlin][Sstore].info
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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