openethereum/ethcore/wasm/src/env.rs

197 lines
2.9 KiB
Rust

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
//! Wasm env module bindings
use parity_wasm::elements::ValueType::*;
use parity_wasm::interpreter::{self, UserFunctionDescriptor};
use parity_wasm::interpreter::UserFunctionDescriptor::*;
use super::runtime::{Runtime, UserTrap};
pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
Static(
"_storage_read",
&[I32; 2],
None,
),
Static(
"_storage_write",
&[I32; 2],
None,
),
Static(
"_balance",
&[I32; 2],
None,
),
Static(
"_ext_malloc",
&[I32],
Some(I32),
),
Static(
"_ext_free",
&[I32],
None,
),
Static(
"gas",
&[I32],
None,
),
Static(
"_debug",
&[I32; 2],
None,
),
Static(
"_suicide",
&[I32],
None,
),
Static(
"_create",
&[I32; 4],
Some(I32),
),
Static(
"_ccall",
&[I64, I32, I32, I32, I32, I32, I32],
Some(I32),
),
Static(
"_dcall",
&[I64, I32, I32, I32, I32, I32],
Some(I32),
),
Static(
"_scall",
&[I64, I32, I32, I32, I32, I32],
Some(I32),
),
Static(
"abort",
&[I32],
None,
),
Static(
"_emscripten_memcpy_big",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memcmp",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memcpy",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memset",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memmove",
&[I32; 3],
Some(I32),
),
Static(
"_panic",
&[I32; 2],
None,
),
Static(
"_blockhash",
&[I64, I32],
None,
),
Static(
"_coinbase",
&[I32],
None,
),
Static(
"_sender",
&[I32],
None,
),
Static(
"_origin",
&[I32],
None,
),
Static(
"_address",
&[I32],
None,
),
Static(
"_value",
&[I32],
None,
),
Static(
"_timestamp",
&[],
Some(I64),
),
Static(
"_blocknumber",
&[],
Some(I64),
),
Static(
"_difficulty",
&[I32],
None,
),
Static(
"_gaslimit",
&[I32],
None,
),
Static(
"_elog",
&[I32; 4],
None,
),
// TODO: Get rid of it also somehow?
Static(
"_llvm_trap",
&[I32; 0],
None
),
Static(
"_llvm_bswap_i64",
&[I64],
Some(I64)
),
];
pub fn native_bindings<'a>(runtime: &'a mut Runtime) -> interpreter::UserDefinedElements<'a, UserTrap> {
interpreter::UserDefinedElements {
executor: Some(runtime),
globals: ::std::collections::HashMap::new(),
functions: ::std::borrow::Cow::from(SIGNATURES),
}
}