solidity/libyul/backends/wasm/polyfill/Interface.yul

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/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
// NOTE: This file is used to generate `ewasmPolyfills/Interface.h`.
function address() -> z1, z2, z3, z4 {
eth.getAddress(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function balance(x1, x2, x3, x4) -> z1, z2, z3, z4 {
mstore_address(0:i32, x1, x2, x3, x4)
eth.getExternalBalance(12:i32, 48:i32)
z1, z2, z3, z4 := mload_internal(32:i32)
}
function selfbalance() -> z1, z2, z3, z4 {
// TODO: not part of current Ewasm spec
unreachable()
}
function chainid() -> z1, z2, z3, z4 {
// TODO: not part of current Ewasm spec
unreachable()
}
function origin() -> z1, z2, z3, z4 {
eth.getTxOrigin(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function caller() -> z1, z2, z3, z4 {
eth.getCaller(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function callvalue() -> z1, z2, z3, z4 {
eth.getCallValue(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function calldataload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
calldatacopy(0, 0, 0, 0, x1, x2, x3, x4, 0, 0, 0, 32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function calldatasize() -> z1, z2, z3, z4 {
z4 := i64.extend_i32_u(eth.getCallDataSize())
}
function calldatacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
let cds:i32 := eth.getCallDataSize()
let destination:i32 := u256_to_i32(x1, x2, x3, x4)
let offset:i32 := u256_to_i32(y1, y2, y3, y4)
let requested_size:i32 := u256_to_i32(z1, z2, z3, z4)
// overflow?
if i32.gt_u(offset, i32.sub(0xffffffff:i32, requested_size)) {
eth.revert(0:i32, 0:i32)
}
let available_size:i32 := i32.sub(cds, offset)
if i32.gt_u(offset, cds) {
available_size := 0:i32
}
if i32.gt_u(available_size, 0:i32) {
eth.callDataCopy(
destination,
offset,
available_size
)
}
if i32.gt_u(requested_size, available_size) {
memset(i32.add(destination, available_size), 0:i32, i32.sub(requested_size, available_size))
}
}
// Needed?
function codesize() -> z1, z2, z3, z4 {
z4 := i64.extend_i32_u(eth.getCodeSize())
}
function codecopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
eth.codeCopy(
to_internal_i32ptr(x1, x2, x3, x4),
u256_to_i32(y1, y2, y3, y4),
u256_to_i32(z1, z2, z3, z4)
)
}
function datacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
// TODO correct?
codecopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4)
}
function gasprice() -> z1, z2, z3, z4 {
eth.getTxGasPrice(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function extcodesize_internal(x1, x2, x3, x4) -> r:i32 {
mstore_address(0:i32, x1, x2, x3, x4)
r := eth.getExternalCodeSize(12:i32)
}
function extcodesize(x1, x2, x3, x4) -> z1, z2, z3, z4 {
z4 := i64.extend_i32_u(extcodesize_internal(x1, x2, x3, x4))
}
function extcodehash(x1, x2, x3, x4) -> z1, z2, z3, z4 {
// TODO: not part of current Ewasm spec
unreachable()
}
function extcodecopy(a1, a2, a3, a4, p1, p2, p3, p4, o1, o2, o3, o4, l1, l2, l3, l4) {
mstore_address(0:i32, a1, a2, a3, a4)
let codeOffset:i32 := u256_to_i32(o1, o2, o3, o4)
let codeLength:i32 := u256_to_i32(l1, l2, l3, l4)
eth.externalCodeCopy(12:i32, to_internal_i32ptr(p1, p2, p3, p4), codeOffset, codeLength)
}
function returndatasize() -> z1, z2, z3, z4 {
z4 := i64.extend_i32_u(eth.getReturnDataSize())
}
function returndatacopy(x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4) {
eth.returnDataCopy(
to_internal_i32ptr(x1, x2, x3, x4),
u256_to_i32(y1, y2, y3, y4),
u256_to_i32(z1, z2, z3, z4)
)
}
function blockhash(x1, x2, x3, x4) -> z1, z2, z3, z4 {
let r:i32 := eth.getBlockHash(u256_to_i64(x1, x2, x3, x4), 0:i32)
if i32.eqz(r) {
z1, z2, z3, z4 := mload_internal(0:i32)
}
}
function coinbase() -> z1, z2, z3, z4 {
eth.getBlockCoinbase(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function timestamp() -> z1, z2, z3, z4 {
z4 := eth.getBlockTimestamp()
}
function number() -> z1, z2, z3, z4 {
z4 := eth.getBlockNumber()
}
function difficulty() -> z1, z2, z3, z4 {
eth.getBlockDifficulty(0:i32)
z1, z2, z3, z4 := mload_internal(0:i32)
}
function gaslimit() -> z1, z2, z3, z4 {
z4 := eth.getBlockGasLimit()
}
function mload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
z1, z2, z3, z4 := mload_internal(to_internal_i32ptr(x1, x2, x3, x4))
}
function mload_internal(pos:i32) -> z1, z2, z3, z4 {
z1 := bswap64(i64.load(pos))
z2 := bswap64(i64.load(i32.add(pos, 8:i32)))
z3 := bswap64(i64.load(i32.add(pos, 16:i32)))
z4 := bswap64(i64.load(i32.add(pos, 24:i32)))
}
function mstore(x1, x2, x3, x4, y1, y2, y3, y4) {
mstore_internal(to_internal_i32ptr(x1, x2, x3, x4), y1, y2, y3, y4)
}
function mstore_internal(pos:i32, y1, y2, y3, y4) {
i64.store(pos, bswap64(y1))
i64.store(i32.add(pos, 8:i32), bswap64(y2))
i64.store(i32.add(pos, 16:i32), bswap64(y3))
i64.store(i32.add(pos, 24:i32), bswap64(y4))
}
function mstore_address(pos:i32, a1, a2, a3, a4) {
a1, a2, a3 := u256_to_address(a1, a2, a3, a4)
mstore_internal(pos, 0, a1, a2, a3)
}
function mstore8(x1, x2, x3, x4, y1, y2, y3, y4) {
let v := u256_to_byte(y1, y2, y3, y4)
i64.store8(to_internal_i32ptr(x1, x2, x3, x4), v)
}
// Needed?
function msize() -> z1, z2, z3, z4 {
// TODO implement
unreachable()
}
function sload(x1, x2, x3, x4) -> z1, z2, z3, z4 {
mstore_internal(0:i32, x1, x2, x3, x4)
eth.storageLoad(0:i32, 32:i32)
z1, z2, z3, z4 := mload_internal(32:i32)
}
function sstore(x1, x2, x3, x4, y1, y2, y3, y4) {
mstore_internal(0:i32, x1, x2, x3, x4)
mstore_internal(32:i32, y1, y2, y3, y4)
eth.storageStore(0:i32, 32:i32)
}
function gas() -> z1, z2, z3, z4 {
z4 := eth.getGasLeft()
}
function log0(p1, p2, p3, p4, s1, s2, s3, s4) {
eth.log(
to_internal_i32ptr(p1, p2, p3, p4),
u256_to_i32(s1, s2, s3, s4),
0:i32, 0:i32, 0:i32, 0:i32, 0:i32
)
}
function log1(
p1, p2, p3, p4, s1, s2, s3, s4,
t1_1, t1_2, t1_3, t1_4
) {
eth.log(
to_internal_i32ptr(p1, p2, p3, p4),
u256_to_i32(s1, s2, s3, s4),
1:i32,
to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
0:i32, 0:i32, 0:i32
)
}
function log2(
p1, p2, p3, p4, s1, s2, s3, s4,
t1_1, t1_2, t1_3, t1_4,
t2_1, t2_2, t2_3, t2_4
) {
eth.log(
to_internal_i32ptr(p1, p2, p3, p4),
u256_to_i32(s1, s2, s3, s4),
2:i32,
to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
0:i32, 0:i32
)
}
function log3(
p1, p2, p3, p4, s1, s2, s3, s4,
t1_1, t1_2, t1_3, t1_4,
t2_1, t2_2, t2_3, t2_4,
t3_1, t3_2, t3_3, t3_4
) {
eth.log(
to_internal_i32ptr(p1, p2, p3, p4),
u256_to_i32(s1, s2, s3, s4),
3:i32,
to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
to_internal_i32ptr(t3_1, t3_2, t3_3, t3_4),
0:i32
)
}
function log4(
p1, p2, p3, p4, s1, s2, s3, s4,
t1_1, t1_2, t1_3, t1_4,
t2_1, t2_2, t2_3, t2_4,
t3_1, t3_2, t3_3, t3_4,
t4_1, t4_2, t4_3, t4_4,
) {
eth.log(
to_internal_i32ptr(p1, p2, p3, p4),
u256_to_i32(s1, s2, s3, s4),
4:i32,
to_internal_i32ptr(t1_1, t1_2, t1_3, t1_4),
to_internal_i32ptr(t2_1, t2_2, t2_3, t2_4),
to_internal_i32ptr(t3_1, t3_2, t3_3, t3_4),
to_internal_i32ptr(t4_1, t4_2, t4_3, t4_4)
)
}
function create(
x1, x2, x3, x4,
y1, y2, y3, y4,
z1, z2, z3, z4
) -> a1, a2, a3, a4 {
let v1, v2 := u256_to_u128(x1, x2, x3, x4)
mstore_internal(0:i32, 0, 0, v1, v2)
let r:i32 := eth.create(0:i32, to_internal_i32ptr(y1, y2, y3, y4), u256_to_i32(z1, z2, z3, z4), 32:i32)
if i32.eqz(r) {
a1, a2, a3, a4 := mload_internal(32:i32)
}
}
function call(
a1, a2, a3, a4,
b1, b2, b3, b4,
c1, c2, c3, c4,
d1, d2, d3, d4,
e1, e2, e3, e4,
f1, f2, f3, f4,
g1, g2, g3, g4
) -> x1, x2, x3, x4 {
let g := u256_to_i64(a1, a2, a3, a4)
mstore_address(0:i32, b1, b2, b3, b4)
let v1, v2 := u256_to_u128(c1, c2, c3, c4)
mstore_internal(32:i32, 0, 0, v1, v2)
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)))
}
function callcode(
a1, a2, a3, a4,
b1, b2, b3, b4,
c1, c2, c3, c4,
d1, d2, d3, d4,
e1, e2, e3, e4,
f1, f2, f3, f4,
g1, g2, g3, g4
) -> x1, x2, x3, x4 {
mstore_address(0:i32, b1, b2, b3, b4)
let v1, v2 := u256_to_u128(c1, c2, c3, c4)
mstore_internal(32:i32, 0, 0, v1, v2)
x4 := i64.extend_i32_u(eth.callCode(
u256_to_i64(a1, a2, a3, a4),
12:i32,
32:i32,
to_internal_i32ptr(d1, d2, d3, d4),
u256_to_i32(e1, e2, e3, e4)
))
}
function delegatecall(
a1, a2, a3, a4,
b1, b2, b3, b4,
c1, c2, c3, c4,
d1, d2, d3, d4,
e1, e2, e3, e4,
f1, f2, f3, f4
) -> x1, x2, x3, x4 {
mstore_address(0:i32, b1, b2, b3, b4)
x4 := i64.extend_i32_u(eth.callDelegate(
u256_to_i64(a1, a2, a3, a4),
12:i32,
to_internal_i32ptr(c1, c2, c3, c4),
u256_to_i32(d1, d2, d3, d4)
))
}
function staticcall(
a1, a2, a3, a4,
b1, b2, b3, b4,
c1, c2, c3, c4,
d1, d2, d3, d4,
e1, e2, e3, e4,
f1, f2, f3, f4
) -> x1, x2, x3, x4 {
mstore_address(0:i32, b1, b2, b3, b4)
x4 := i64.extend_i32_u(eth.callStatic(
u256_to_i64(a1, a2, a3, a4),
12:i32,
to_internal_i32ptr(c1, c2, c3, c4),
u256_to_i32(d1, d2, d3, d4)
))
}
function create2(
a1, a2, a3, a4,
b1, b2, b3, b4,
c1, c2, c3, c4,
d1, d2, d3, d4
) -> x1, x2, x3, x4 {
// TODO: not part of current Ewasm spec
unreachable()
}
function selfdestruct(a1, a2, a3, a4) {
mstore_address(0:i32, a1, a2, a3, a4)
// In EVM, addresses are padded to 32 bytes, so discard the first 12.
eth.selfDestruct(12:i32)
}
function return(x1, x2, x3, x4, y1, y2, y3, y4) {
eth.finish(
to_internal_i32ptr(x1, x2, x3, x4),
u256_to_i32(y1, y2, y3, y4)
)
}
function revert(x1, x2, x3, x4, y1, y2, y3, y4) {
eth.revert(
to_internal_i32ptr(x1, x2, x3, x4),
u256_to_i32(y1, y2, y3, y4)
)
}
function invalid() {
unreachable()
}
function stop() {
eth.finish(0:i32, 0:i32)
}