mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
409 lines
9.3 KiB
Plaintext
409 lines
9.3 KiB
Plaintext
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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// NOTE: This file is used to generate `ewasmPolyfills/Interface.h`.
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function address() -> z1, z2, z3, z4 {
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eth.getAddress(12:i32)
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z1, z2, z3, z4 := mload_address(0:i32)
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}
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function balance(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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mstore_address(0:i32, x1, x2, x3, x4)
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eth.getExternalBalance(12:i32, 32:i32)
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z3 := i64.load(40:i32)
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z4 := i64.load(32:i32)
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}
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function selfbalance() -> z1, z2, z3, z4 {
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// TODO: not part of current Ewasm spec
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unreachable()
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}
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function chainid() -> z1, z2, z3, z4 {
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// TODO: not part of current Ewasm spec
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unreachable()
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}
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function origin() -> z1, z2, z3, z4 {
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eth.getTxOrigin(12:i32)
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z1, z2, z3, z4 := mload_address(0:i32)
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}
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function caller() -> z1, z2, z3, z4 {
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eth.getCaller(12:i32)
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z1, z2, z3, z4 := mload_address(0:i32)
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}
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function callvalue() -> z1, z2, z3, z4 {
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eth.getCallValue(0:i32)
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z1, z2, z3, z4 := mload_internal(0:i32)
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}
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function calldataload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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calldatacopy(0, 0, 0, 0, x1, x2, x3, x4, 0, 0, 0, 32)
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z1, z2, z3, z4 := mload_internal(0:i32)
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}
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function calldatasize() -> z1, z2, z3, z4 {
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z4 := i64.extend_i32_u(eth.getCallDataSize())
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}
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function calldatacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
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let cds:i32 := eth.getCallDataSize()
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let destination:i32 := u256_to_i32(x1, x2, x3, x4)
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let offset:i32 := u256_to_i32(y1, y2, y3, y4)
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let requested_size:i32 := u256_to_i32(z1, z2, z3, z4)
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// overflow?
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if i32.gt_u(offset, i32.sub(0xffffffff:i32, requested_size)) {
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eth.revert(0:i32, 0:i32)
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}
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let available_size:i32 := i32.sub(cds, offset)
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if i32.gt_u(offset, cds) {
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available_size := 0:i32
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}
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if i32.gt_u(available_size, 0:i32) {
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eth.callDataCopy(
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destination,
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offset,
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available_size
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)
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}
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if i32.gt_u(requested_size, available_size) {
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memset(i32.add(destination, available_size), 0:i32, i32.sub(requested_size, available_size))
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}
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}
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// Needed?
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function codesize() -> z1, z2, z3, z4 {
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z4 := i64.extend_i32_u(eth.getCodeSize())
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}
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function codecopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
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eth.codeCopy(
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to_internal_i32ptr(x1, x2, x3, x4),
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u256_to_i32(y1, y2, y3, y4),
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u256_to_i32(z1, z2, z3, z4)
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)
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}
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function datacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
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// TODO correct?
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codecopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4)
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}
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function gasprice() -> z1, z2, z3, z4 {
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eth.getTxGasPrice(0:i32)
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z1, z2, z3, z4 := mload_internal(0:i32)
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}
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function extcodesize_internal(x1, x2, x3, x4) -> r:i32 {
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mstore_address(0:i32, x1, x2, x3, x4)
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r := eth.getExternalCodeSize(12:i32)
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}
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function extcodesize(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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z4 := i64.extend_i32_u(extcodesize_internal(x1, x2, x3, x4))
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}
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function extcodehash(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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// TODO: not part of current Ewasm spec
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unreachable()
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}
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function extcodecopy(a1, a2, a3, a4, p1, p2, p3, p4, o1, o2, o3, o4, l1, l2, l3, l4) {
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mstore_address(0:i32, a1, a2, a3, a4)
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let codeOffset:i32 := u256_to_i32(o1, o2, o3, o4)
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let codeLength:i32 := u256_to_i32(l1, l2, l3, l4)
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eth.externalCodeCopy(12:i32, to_internal_i32ptr(p1, p2, p3, p4), codeOffset, codeLength)
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}
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function returndatasize() -> z1, z2, z3, z4 {
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z4 := i64.extend_i32_u(eth.getReturnDataSize())
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}
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function returndatacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
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eth.returnDataCopy(
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to_internal_i32ptr(x1, x2, x3, x4),
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u256_to_i32(y1, y2, y3, y4),
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u256_to_i32(z1, z2, z3, z4)
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)
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}
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function blockhash(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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let r:i32 := eth.getBlockHash(u256_to_i64(x1, x2, x3, x4), 0:i32)
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if i32.eqz(r) {
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z1, z2, z3, z4 := mload_internal(0:i32)
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}
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}
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function coinbase() -> z1, z2, z3, z4 {
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eth.getBlockCoinbase(12:i32)
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z1, z2, z3, z4 := mload_address(0:i32)
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}
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function timestamp() -> z1, z2, z3, z4 {
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z4 := eth.getBlockTimestamp()
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}
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function number() -> z1, z2, z3, z4 {
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z4 := eth.getBlockNumber()
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}
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function difficulty() -> z1, z2, z3, z4 {
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eth.getBlockDifficulty(0:i32)
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z1, z2, z3, z4 := mload_internal(0:i32)
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}
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function gaslimit() -> z1, z2, z3, z4 {
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z4 := eth.getBlockGasLimit()
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}
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function mload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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z1, z2, z3, z4 := mload_internal(to_internal_i32ptr(x1, x2, x3, x4))
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}
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function mstore(x1, x2, x3, x4, y1, y2, y3, y4) {
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mstore_internal(to_internal_i32ptr(x1, x2, x3, x4), y1, y2, y3, y4)
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}
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// Needed?
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function msize() -> z1, z2, z3, z4 {
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// TODO implement
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unreachable()
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}
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function sload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
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mstore_internal(0:i32, x1, x2, x3, x4)
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eth.storageLoad(0:i32, 32:i32)
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z1, z2, z3, z4 := mload_internal(32:i32)
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}
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function sstore(x1, x2, x3, x4, y1, y2, y3, y4) {
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mstore_internal(0:i32, x1, x2, x3, x4)
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mstore_internal(32:i32, y1, y2, y3, y4)
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eth.storageStore(0:i32, 32:i32)
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}
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function gas() -> z1, z2, z3, z4 {
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z4 := eth.getGasLeft()
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}
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function log0(p1, p2, p3, p4, s1, s2, s3, s4) {
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eth.log(
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to_internal_i32ptr(p1, p2, p3, p4),
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u256_to_i32(s1, s2, s3, s4),
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0:i32, 0:i32, 0:i32, 0:i32, 0:i32
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)
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}
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function log1(
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p1, p2, p3, p4, s1, s2, s3, s4,
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t1_1, t1_2, t1_3, t1_4
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) {
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eth.log(
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to_internal_i32ptr(p1, p2, p3, p4),
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u256_to_i32(s1, s2, s3, s4),
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1:i32,
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to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
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0:i32, 0:i32, 0:i32
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)
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}
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function log2(
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p1, p2, p3, p4, s1, s2, s3, s4,
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t1_1, t1_2, t1_3, t1_4,
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t2_1, t2_2, t2_3, t2_4
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) {
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eth.log(
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to_internal_i32ptr(p1, p2, p3, p4),
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u256_to_i32(s1, s2, s3, s4),
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2:i32,
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to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
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to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
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0:i32, 0:i32
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)
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}
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function log3(
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p1, p2, p3, p4, s1, s2, s3, s4,
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t1_1, t1_2, t1_3, t1_4,
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t2_1, t2_2, t2_3, t2_4,
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t3_1, t3_2, t3_3, t3_4
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) {
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eth.log(
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to_internal_i32ptr(p1, p2, p3, p4),
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u256_to_i32(s1, s2, s3, s4),
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3:i32,
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to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
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to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
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to_internal_i32ptr(t3_1, t3_2, t3_3, t3_4),
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0:i32
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)
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}
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function log4(
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p1, p2, p3, p4, s1, s2, s3, s4,
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t1_1, t1_2, t1_3, t1_4,
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t2_1, t2_2, t2_3, t2_4,
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t3_1, t3_2, t3_3, t3_4,
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t4_1, t4_2, t4_3, t4_4,
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) {
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eth.log(
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to_internal_i32ptr(p1, p2, p3, p4),
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u256_to_i32(s1, s2, s3, s4),
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4:i32,
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to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
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to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
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to_internal_i32ptr(t3_1, t3_2, t3_3, t3_4),
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to_internal_i32ptr(t4_1, t4_2, t4_3, t4_4)
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)
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}
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function create(
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x1, x2, x3, x4,
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y1, y2, y3, y4,
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z1, z2, z3, z4
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) -> a1, a2, a3, a4 {
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let v1, v2 := u256_to_u128(x1, x2, x3, x4)
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mstore_internal(0:i32, 0, 0, v1, v2)
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let r:i32 := eth.create(0:i32, to_internal_i32ptr(y1, y2, y3, y4), u256_to_i32(z1, z2, z3, z4), 32:i32)
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if i32.eqz(r) {
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a1, a2, a3, a4 := mload_internal(32:i32)
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}
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}
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function call(
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a1, a2, a3, a4,
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b1, b2, b3, b4,
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c1, c2, c3, c4,
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d1, d2, d3, d4,
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e1, e2, e3, e4,
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f1, f2, f3, f4,
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g1, g2, g3, g4
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) -> x1, x2, x3, x4 {
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let g := u256_to_i64(a1, a2, a3, a4)
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mstore_address(0:i32, b1, b2, b3, b4)
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let v1, v2 := u256_to_u128(c1, c2, c3, c4)
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mstore_internal(32:i32, 0, 0, v1, v2)
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x4 := i64.extend_i32_u(eth.call(g, 12:i32, 32:i32, to_internal_i32ptr(d1, d2, d3, d4), u256_to_i32(e1, e2, e3, e4)))
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}
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function callcode(
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a1, a2, a3, a4,
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b1, b2, b3, b4,
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c1, c2, c3, c4,
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d1, d2, d3, d4,
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e1, e2, e3, e4,
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f1, f2, f3, f4,
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g1, g2, g3, g4
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) -> x1, x2, x3, x4 {
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mstore_address(0:i32, b1, b2, b3, b4)
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let v1, v2 := u256_to_u128(c1, c2, c3, c4)
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mstore_internal(32:i32, 0, 0, v1, v2)
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x4 := i64.extend_i32_u(eth.callCode(
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u256_to_i64(a1, a2, a3, a4),
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12:i32,
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32:i32,
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to_internal_i32ptr(d1, d2, d3, d4),
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u256_to_i32(e1, e2, e3, e4)
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))
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}
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function delegatecall(
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a1, a2, a3, a4,
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b1, b2, b3, b4,
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c1, c2, c3, c4,
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d1, d2, d3, d4,
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e1, e2, e3, e4,
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f1, f2, f3, f4
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) -> x1, x2, x3, x4 {
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mstore_address(0:i32, b1, b2, b3, b4)
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x4 := i64.extend_i32_u(eth.callDelegate(
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u256_to_i64(a1, a2, a3, a4),
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12:i32,
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to_internal_i32ptr(c1, c2, c3, c4),
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u256_to_i32(d1, d2, d3, d4)
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))
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}
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function staticcall(
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a1, a2, a3, a4,
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b1, b2, b3, b4,
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c1, c2, c3, c4,
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d1, d2, d3, d4,
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e1, e2, e3, e4,
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f1, f2, f3, f4
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) -> x1, x2, x3, x4 {
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mstore_address(0:i32, b1, b2, b3, b4)
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x4 := i64.extend_i32_u(eth.callStatic(
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u256_to_i64(a1, a2, a3, a4),
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12:i32,
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to_internal_i32ptr(c1, c2, c3, c4),
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u256_to_i32(d1, d2, d3, d4)
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))
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}
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function create2(
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a1, a2, a3, a4,
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b1, b2, b3, b4,
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c1, c2, c3, c4,
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d1, d2, d3, d4
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) -> x1, x2, x3, x4 {
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// TODO: not part of current Ewasm spec
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unreachable()
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}
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function selfdestruct(a1, a2, a3, a4) {
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mstore_address(0:i32, a1, a2, a3, a4)
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// In EVM, addresses are padded to 32 bytes, so discard the first 12.
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eth.selfDestruct(12:i32)
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}
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function return(x1, x2, x3, x4, y1, y2, y3, y4) {
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eth.finish(
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to_internal_i32ptr(x1, x2, x3, x4),
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u256_to_i32(y1, y2, y3, y4)
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)
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}
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function revert(x1, x2, x3, x4, y1, y2, y3, y4) {
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eth.revert(
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to_internal_i32ptr(x1, x2, x3, x4),
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u256_to_i32(y1, y2, y3, y4)
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)
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}
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function invalid() {
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unreachable()
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}
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function stop() {
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eth.finish(0:i32, 0:i32)
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}
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