mirror of
https://github.com/fluencelabs/wasmer
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Add clif-backend crate and runtime example
This commit is contained in:
Lachlan Sneff
743
lib/clif-backend/Cargo.lock
generated
Normal file
743
lib/clif-backend/Cargo.lock
generated
Normal file
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"checksum libffi-sys 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4675d5d7fdbba34b66218fae3b0d528c2b29580a64ca2ccc5bbfc5af2324b373"
|
||||
"checksum libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fd38073de8f7965d0c17d30546d4bb6da311ab428d1c7a3fc71dff7f9d4979b9"
|
||||
"checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
|
||||
"checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
|
||||
"checksum make-cmd 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a8ca8afbe8af1785e09636acb5a41e08a765f5f0340568716c18a8700ba3c0d3"
|
||||
"checksum memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
|
||||
"checksum memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "db4c41318937f6e76648f42826b1d9ade5c09cafb5aef7e351240a70f39206e9"
|
||||
"checksum nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "921f61dc817b379d0834e45d5ec45beaacfae97082090a49c2cf30dcbc30206f"
|
||||
"checksum nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
|
||||
"checksum page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f89ef58b3d32420dbd1a43d2f38ae92f6239ef12bb556ab09ca55445f5a67242"
|
||||
"checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
|
||||
"checksum pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
|
||||
"checksum proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)" = "77619697826f31a02ae974457af0b29b723e5619e113e9397b8b82c6bd253f09"
|
||||
"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
|
||||
"checksum quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "53fa22a1994bd0f9372d7a816207d8a2677ad0325b073f5c5332760f0fb62b5c"
|
||||
"checksum raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "30a9d219c32c9132f7be513c18be77c9881c7107d2ab5569d205a6a0f0e6dc7d"
|
||||
"checksum redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)" = "52ee9a534dc1301776eff45b4fa92d2c39b1d8c3d3357e6eb593e0d795506fc2"
|
||||
"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
|
||||
"checksum regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
|
||||
"checksum regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
|
||||
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
|
||||
"checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
|
||||
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
|
||||
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
|
||||
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
|
||||
"checksum serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)" = "0e732ed5a5592c17d961555e3b552985baf98d50ce418b7b655f31f6ba7eb1b7"
|
||||
"checksum serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)" = "bdf540260cfee6da923831f4776ddc495ada940c30117977c70f1313a6130545"
|
||||
"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
|
||||
"checksum syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)" = "734ecc29cd36e8123850d9bf21dfd62ef8300aaa8f879aabaa899721808be37c"
|
||||
"checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
|
||||
"checksum target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4af5e2227f0b887d591d3724b796a96eff04226104d872f5b3883fcd427d64b9"
|
||||
"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
|
||||
"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
|
||||
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
|
||||
"checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
|
||||
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
|
||||
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||
"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
|
||||
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
|
||||
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
|
||||
"checksum wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f46e666ecb4a406483a59a49f9d0c17f327e70da53a128eccddae2eadb95865c"
|
||||
"checksum wasmparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b5e01c420bc7d36e778bd242e1167b079562ba8b34087122cc9057187026d060"
|
||||
"checksum which 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e84a603e7e0b1ce1aa1ee2b109c7be00155ce52df5081590d1ffb93f4f515cb2"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
15
lib/clif-backend/Cargo.toml
Normal file
15
lib/clif-backend/Cargo.toml
Normal file
@ -0,0 +1,15 @@
|
||||
[package]
|
||||
name = "wasmer-clif-backend"
|
||||
version = "0.1.0"
|
||||
authors = ["Lachlan Sneff <lachlan.sneff@gmail.com>"]
|
||||
edition = "2018"
|
||||
|
||||
[dependencies]
|
||||
wasmer-runtime = { path = "../runtime" }
|
||||
cranelift-native = "0.26.0"
|
||||
cranelift-codegen = "0.26.0"
|
||||
cranelift-entity = "0.26.0"
|
||||
cranelift-wasm = "0.26.0"
|
||||
hashbrown = "0.1"
|
||||
target-lexicon = "0.2.0"
|
||||
wasmparser = "0.23.0"
|
||||
912
lib/clif-backend/src/codegen.rs
Normal file
912
lib/clif-backend/src/codegen.rs
Normal file
@ -0,0 +1,912 @@
|
||||
use wasmer_runtime::{
|
||||
FuncResolver,
|
||||
LinearMemory,
|
||||
ModuleInner as WasmerModule,
|
||||
SigRegistry,
|
||||
module::{DataInitializer, Export, ImportName, TableInitializer},
|
||||
types::{
|
||||
ElementType as WasmerElementType, FuncIndex as WasmerFuncIndex, FuncSig as WasmerSignature,
|
||||
Global as WasmerGlobal, GlobalDesc as WasmerGlobalDesc, GlobalIndex as WasmerGlobalIndex,
|
||||
Initializer as WasmerInitializer, Map, MapIndex, Memory as WasmerMemory,
|
||||
MemoryIndex as WasmerMemoryIndex, SigIndex as WasmerSignatureIndex, Table as WasmerTable,
|
||||
TableIndex as WasmerTableIndex, Type as WasmerType,
|
||||
},
|
||||
vm::Ctx as WasmerVMContext,
|
||||
};
|
||||
use cranelift_codegen::cursor::FuncCursor;
|
||||
use cranelift_codegen::ir::immediates::{Offset32, Uimm64};
|
||||
use cranelift_codegen::ir::types::{self, *};
|
||||
use cranelift_codegen::ir::{
|
||||
self, AbiParam, ArgumentPurpose, ExtFuncData, ExternalName, FuncRef, InstBuilder, Signature,
|
||||
TrapCode,
|
||||
};
|
||||
use cranelift_codegen::isa::TargetFrontendConfig;
|
||||
use cranelift_entity::{EntityRef, PrimaryMap};
|
||||
use cranelift_wasm::{
|
||||
translate_module, DefinedFuncIndex, FuncEnvironment as FuncEnvironmentTrait, FuncIndex,
|
||||
FuncTranslator, Global, GlobalIndex, GlobalVariable, Memory, MemoryIndex, ModuleEnvironment,
|
||||
ReturnMode, SignatureIndex, Table, TableIndex, WasmResult,
|
||||
};
|
||||
use hashbrown::HashMap;
|
||||
use target_lexicon;
|
||||
use crate::resolver::{FuncResolverBuilder};
|
||||
|
||||
/// The converter namespace contains functions for converting a Cranelift module
|
||||
/// to a Wasmer module.
|
||||
pub mod converter {
|
||||
use super::*;
|
||||
|
||||
/// Converts a Cranelift module to a Wasmer module.
|
||||
pub fn convert_module(cranelift_module: CraneliftModule) -> WasmerModule {
|
||||
// Convert Cranelift globals to Wasmer globals
|
||||
let mut globals: Map<WasmerGlobalIndex, WasmerGlobal> =
|
||||
Map::with_capacity(cranelift_module.globals.len());
|
||||
for global in cranelift_module.globals {
|
||||
globals.push(convert_global(global));
|
||||
}
|
||||
|
||||
// Convert Cranelift memories to Wasmer memories.
|
||||
let mut memories: Map<WasmerMemoryIndex, WasmerMemory> =
|
||||
Map::with_capacity(cranelift_module.memories.len());
|
||||
for memory in cranelift_module.memories {
|
||||
memories.push(convert_memory(memory));
|
||||
}
|
||||
|
||||
// Convert Cranelift tables to Wasmer tables.
|
||||
let mut tables: Map<WasmerTableIndex, WasmerTable> =
|
||||
Map::with_capacity(cranelift_module.tables.len());
|
||||
for table in cranelift_module.tables {
|
||||
tables.push(convert_table(table));
|
||||
}
|
||||
|
||||
let mut sig_registry = SigRegistry::new();
|
||||
for signature in cranelift_module.signatures {
|
||||
let func_sig = convert_signature(signature);
|
||||
sig_registry.register(func_sig);
|
||||
}
|
||||
|
||||
// Convert Cranelift signature indices to Wasmer signature indices.
|
||||
let mut func_assoc: Map<WasmerFuncIndex, WasmerSignatureIndex> =
|
||||
Map::with_capacity(cranelift_module.functions.len());
|
||||
for (_, signature_index) in cranelift_module.functions.iter() {
|
||||
func_assoc.push(WasmerSignatureIndex::new(signature_index.index()));
|
||||
}
|
||||
|
||||
let function_bodies: Vec<_> = cranelift_module.function_bodies.into_iter().map(|(_, v)| v.clone()).collect();
|
||||
let func_resolver_builder = FuncResolverBuilder::new(&*crate::get_isa(), function_bodies).unwrap();
|
||||
|
||||
// Create func_resolver.
|
||||
let func_resolver = Box::new(func_resolver_builder.finalize().unwrap());
|
||||
|
||||
// Get other fields from the cranelift_module.
|
||||
let CraneliftModule {
|
||||
imported_functions,
|
||||
imported_memories,
|
||||
imported_tables,
|
||||
imported_globals,
|
||||
exports,
|
||||
data_initializers,
|
||||
table_initializers,
|
||||
start_func,
|
||||
..
|
||||
} = cranelift_module;
|
||||
|
||||
// Create Wasmer module from data above
|
||||
WasmerModule {
|
||||
func_resolver,
|
||||
memories,
|
||||
globals,
|
||||
tables,
|
||||
imported_functions,
|
||||
imported_memories,
|
||||
imported_tables,
|
||||
imported_globals,
|
||||
exports,
|
||||
data_initializers,
|
||||
table_initializers,
|
||||
start_func,
|
||||
func_assoc,
|
||||
sig_registry,
|
||||
}
|
||||
}
|
||||
|
||||
/// Converts from Cranelift type to a Wasmer type.
|
||||
pub fn convert_type(ty: types::Type) -> WasmerType {
|
||||
match ty {
|
||||
I32 => WasmerType::I32,
|
||||
I64 => WasmerType::I64,
|
||||
F32 => WasmerType::F32,
|
||||
F64 => WasmerType::F64,
|
||||
_ => unimplemented!("unsupported wasm type!"),
|
||||
}
|
||||
}
|
||||
|
||||
/// Converts a Cranelift global to a Wasmer global.
|
||||
pub fn convert_global(global: Global) -> WasmerGlobal {
|
||||
let desc = WasmerGlobalDesc {
|
||||
mutable: global.mutability,
|
||||
ty: convert_type(global.ty),
|
||||
};
|
||||
|
||||
use self::WasmerInitializer::*;
|
||||
use cranelift_wasm::GlobalInit::{self, *};
|
||||
|
||||
// TODO: WasmerGlobal does not support `Import` as Global values.
|
||||
let init = match global.initializer {
|
||||
I32Const(val) => Const(val.into()),
|
||||
I64Const(val) => Const(val.into()),
|
||||
F32Const(val) => Const((val as f32).into()),
|
||||
F64Const(val) => Const((val as f64).into()),
|
||||
GlobalInit::GetGlobal(index) => {
|
||||
WasmerInitializer::GetGlobal(WasmerGlobalIndex::new(index.index()))
|
||||
}
|
||||
Import => unimplemented!("TODO: imported globals are not supported yet!"),
|
||||
};
|
||||
|
||||
WasmerGlobal { desc, init }
|
||||
}
|
||||
|
||||
/// Converts a Cranelift table to a Wasmer table.
|
||||
pub fn convert_table(table: Table) -> WasmerTable {
|
||||
use cranelift_wasm::TableElementType::*;
|
||||
|
||||
let ty = match table.ty {
|
||||
Func => WasmerElementType::Anyfunc,
|
||||
Val(_) => unimplemented!("non-function table elements are not supported yet!"),
|
||||
};
|
||||
|
||||
WasmerTable {
|
||||
ty,
|
||||
min: table.minimum,
|
||||
max: table.maximum,
|
||||
}
|
||||
}
|
||||
|
||||
/// Converts a Cranelift table to a Wasmer table.
|
||||
pub fn convert_memory(memory: Memory) -> WasmerMemory {
|
||||
WasmerMemory {
|
||||
shared: memory.shared,
|
||||
min: memory.minimum,
|
||||
max: memory.maximum,
|
||||
}
|
||||
}
|
||||
|
||||
/// Converts a Cranelift signature to a Wasmer signature.
|
||||
pub fn convert_signature(sig: ir::Signature) -> WasmerSignature {
|
||||
WasmerSignature {
|
||||
params: sig
|
||||
.params
|
||||
.iter()
|
||||
.map(|param| convert_type(param.value_type))
|
||||
.collect(),
|
||||
returns: sig
|
||||
.returns
|
||||
.iter()
|
||||
.map(|ret| convert_type(ret.value_type))
|
||||
.collect(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Cranelift module for generating cranelift IR and the generic module
|
||||
pub struct CraneliftModule {
|
||||
/// Target description relevant to frontends producing Cranelift IR.
|
||||
pub config: TargetFrontendConfig,
|
||||
|
||||
/// Signatures as provided by `declare_signature`.
|
||||
pub signatures: Vec<ir::Signature>,
|
||||
|
||||
/// Functions, imported and local.
|
||||
pub functions: PrimaryMap<FuncIndex, SignatureIndex>,
|
||||
|
||||
/// Function bodies.
|
||||
pub function_bodies: PrimaryMap<DefinedFuncIndex, ir::Function>,
|
||||
|
||||
/// The base of tables.
|
||||
pub tables_base: Option<ir::GlobalValue>,
|
||||
|
||||
/// The Cranelift global holding the base address of the memories vector.
|
||||
pub memories_base: Option<ir::GlobalValue>,
|
||||
|
||||
/// The Cranelift global holding the base address of the globals vector.
|
||||
pub globals_base: Option<ir::GlobalValue>,
|
||||
|
||||
/// The external function declaration for implementing wasm's `current_memory`.
|
||||
pub current_memory_extfunc: Option<FuncRef>,
|
||||
|
||||
/// The external function declaration for implementing wasm's `grow_memory`.
|
||||
pub grow_memory_extfunc: Option<FuncRef>,
|
||||
|
||||
/// A function that takes a Wasmer module and resolves a function index to a vm::Func.
|
||||
pub func_resolver: Option<Box<dyn FuncResolver>>,
|
||||
|
||||
// An array holding information about the wasm instance memories.
|
||||
pub memories: Vec<Memory>,
|
||||
|
||||
// An array holding information about the wasm instance globals.
|
||||
pub globals: Vec<Global>,
|
||||
|
||||
// An array holding information about the wasm instance tables.
|
||||
pub tables: Vec<Table>,
|
||||
|
||||
// An array holding information about the wasm instance imported functions.
|
||||
pub imported_functions: Map<WasmerFuncIndex, ImportName>,
|
||||
|
||||
// An array holding information about the wasm instance imported memories.
|
||||
pub imported_memories: Map<WasmerMemoryIndex, (ImportName, WasmerMemory)>,
|
||||
|
||||
// An array holding information about the wasm instance imported tables.
|
||||
pub imported_tables: Map<WasmerTableIndex, (ImportName, WasmerTable)>,
|
||||
|
||||
// An array holding information about the wasm instance imported globals.
|
||||
pub imported_globals: Map<WasmerGlobalIndex, (ImportName, WasmerGlobalDesc)>,
|
||||
|
||||
// An hash map holding information about the wasm instance exports.
|
||||
pub exports: HashMap<String, Export>,
|
||||
|
||||
// Data to initialize in memory.
|
||||
pub data_initializers: Vec<DataInitializer>,
|
||||
|
||||
// Function indices to add to table.
|
||||
pub table_initializers: Vec<TableInitializer>,
|
||||
|
||||
// The start function index.
|
||||
pub start_func: Option<WasmerFuncIndex>,
|
||||
}
|
||||
|
||||
impl CraneliftModule {
|
||||
/// Translates wasm bytes into a Cranelift module
|
||||
pub fn from_bytes(
|
||||
buffer_source: &Vec<u8>,
|
||||
config: TargetFrontendConfig,
|
||||
) -> Result<Self, String> {
|
||||
// Create a cranelift module
|
||||
let mut cranelift_module = CraneliftModule {
|
||||
config,
|
||||
signatures: Vec::new(),
|
||||
functions: PrimaryMap::new(),
|
||||
function_bodies: PrimaryMap::new(),
|
||||
globals_base: None,
|
||||
tables_base: None,
|
||||
memories_base: None,
|
||||
current_memory_extfunc: None,
|
||||
grow_memory_extfunc: None,
|
||||
func_resolver: None,
|
||||
memories: Vec::new(),
|
||||
globals: Vec::new(),
|
||||
tables: Vec::new(),
|
||||
imported_functions: Map::new(),
|
||||
imported_memories: Map::new(),
|
||||
imported_tables: Map::new(),
|
||||
imported_globals: Map::new(),
|
||||
exports: HashMap::new(),
|
||||
data_initializers: Vec::new(),
|
||||
table_initializers: Vec::new(),
|
||||
start_func: None,
|
||||
};
|
||||
|
||||
// Translate wasm to cranelift IR.
|
||||
translate_module(&buffer_source, &mut cranelift_module)
|
||||
.map_err(|e| e.to_string())?;
|
||||
|
||||
// Return translated module.
|
||||
Ok(cranelift_module)
|
||||
}
|
||||
}
|
||||
|
||||
/// The `FuncEnvironment` implementation for use by the `CraneliftModule`.
|
||||
pub struct FuncEnvironment<'environment> {
|
||||
pub module: &'environment CraneliftModule,
|
||||
}
|
||||
|
||||
impl<'environment> FuncEnvironment<'environment> {
|
||||
pub fn new(module: &'environment CraneliftModule) -> Self {
|
||||
Self { module }
|
||||
}
|
||||
|
||||
/// Creates a signature with VMContext as the last param
|
||||
pub fn generate_signature(&self, sigidx: SignatureIndex) -> ir::Signature {
|
||||
// Get signature
|
||||
let mut signature = self.module.signatures[sigidx.index()].clone();
|
||||
|
||||
// Add the vmctx parameter type to it
|
||||
signature.params.push(ir::AbiParam::special(
|
||||
self.pointer_type(),
|
||||
ir::ArgumentPurpose::VMContext,
|
||||
));
|
||||
|
||||
// Return signature
|
||||
signature
|
||||
}
|
||||
}
|
||||
|
||||
///
|
||||
impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
|
||||
/// Gets configuration information needed for compiling functions
|
||||
fn target_config(&self) -> TargetFrontendConfig {
|
||||
self.module.config
|
||||
}
|
||||
|
||||
/// Gets native pointers types.
|
||||
///
|
||||
/// `I64` on 64-bit arch; `I32` on 32-bit arch.
|
||||
fn pointer_type(&self) -> ir::Type {
|
||||
ir::Type::int(u16::from(self.module.config.pointer_bits())).unwrap()
|
||||
}
|
||||
|
||||
/// Gets the size of a native pointer in bytes.
|
||||
fn pointer_bytes(&self) -> u8 {
|
||||
self.module.config.pointer_bytes()
|
||||
}
|
||||
|
||||
/// Sets up the necessary preamble definitions in `func` to access the global identified
|
||||
/// by `index`.
|
||||
///
|
||||
/// The index space covers both imported and locally declared globals.
|
||||
fn make_global(&mut self, func: &mut ir::Function, index: GlobalIndex) -> GlobalVariable {
|
||||
// Create VMContext value.
|
||||
let vmctx = func.create_global_value(ir::GlobalValueData::VMContext);
|
||||
let ptr_size = self.pointer_bytes();
|
||||
let globals_offset = WasmerVMContext::offset_globals();
|
||||
|
||||
// Load value at (vmctx + globals_offset), i.e. the address at Ctx.globals.
|
||||
let globals_base_addr = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base: vmctx,
|
||||
offset: Offset32::new(globals_offset as i32),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: false,
|
||||
});
|
||||
|
||||
// *Ctx.globals -> [ u8, u8, .. ]
|
||||
// Based on the index provided, we need to know the offset into globals array
|
||||
let offset = index.index() * ptr_size as usize;
|
||||
|
||||
// Create global variable based on the data above.
|
||||
GlobalVariable::Memory {
|
||||
gv: globals_base_addr,
|
||||
offset: (offset as i32).into(),
|
||||
ty: self.module.get_global(index).ty,
|
||||
}
|
||||
}
|
||||
|
||||
/// Sets up the necessary preamble definitions in `func` to access the linear memory identified
|
||||
/// by `index`.
|
||||
///
|
||||
/// The index space covers both imported and locally declared memories.
|
||||
fn make_heap(&mut self, func: &mut ir::Function, index: MemoryIndex) -> ir::Heap {
|
||||
// Only the first memory is supported for now.
|
||||
debug_assert_eq!(index.index(), 0, "non-default memories not supported yet");
|
||||
|
||||
// Create VMContext value.
|
||||
let vmctx = func.create_global_value(ir::GlobalValueData::VMContext);
|
||||
let ptr_size = self.pointer_bytes();
|
||||
let memories_offset = WasmerVMContext::offset_memories();
|
||||
|
||||
// Load value at (vmctx + memories_offset), i.e. the address at Ctx.memories.
|
||||
let base = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base: vmctx,
|
||||
offset: Offset32::new(memories_offset as i32),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: true,
|
||||
});
|
||||
|
||||
// *Ctx.memories -> [ {data: *usize, len: usize}, {data: *usize, len: usize}, ... ]
|
||||
// Based on the index provided, we need to know the offset into memories array.
|
||||
let memory_data_offset = (index.as_u32() as i32) * (ptr_size as i32) * 2;
|
||||
|
||||
// Load value at the (base + memory_data_offset), i.e. the address at Ctx.memories[index].data.
|
||||
let heap_base = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base,
|
||||
offset: Offset32::new(memory_data_offset),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: true,
|
||||
});
|
||||
|
||||
// Create heap based on the data above.
|
||||
func.create_heap(ir::HeapData {
|
||||
base: heap_base,
|
||||
min_size: 0.into(),
|
||||
offset_guard_size: Uimm64::new(LinearMemory::DEFAULT_GUARD_SIZE as u64),
|
||||
style: ir::HeapStyle::Static {
|
||||
bound: Uimm64::new(LinearMemory::DEFAULT_HEAP_SIZE as u64),
|
||||
},
|
||||
index_type: I32,
|
||||
})
|
||||
}
|
||||
|
||||
/// Sets up the necessary preamble definitions in `func` to access the table identified
|
||||
/// by `index`.
|
||||
///
|
||||
/// The index space covers both imported and locally declared tables.
|
||||
fn make_table(&mut self, func: &mut ir::Function, index: TableIndex) -> ir::Table {
|
||||
// Only the first table is supported for now.
|
||||
debug_assert_eq!(index.index(), 0, "non-default tables not supported yet");
|
||||
|
||||
// Create VMContext value.
|
||||
let vmctx = func.create_global_value(ir::GlobalValueData::VMContext);
|
||||
let ptr_size = self.pointer_bytes();
|
||||
let tables_offset = WasmerVMContext::offset_tables();
|
||||
|
||||
// Load value at (vmctx + memories_offset) which is the address at Ctx.tables.
|
||||
let base = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base: vmctx,
|
||||
offset: Offset32::new(tables_offset as i32),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: true,
|
||||
});
|
||||
|
||||
// *Ctx.tables -> [ {data: *usize, len: usize}, {data: *usize, len: usize}, ... ]
|
||||
// Based on the index provided, we need to know the offset into tables array.
|
||||
let table_data_offset = (index.as_u32() as i32) * (ptr_size as i32) * 2;
|
||||
|
||||
// Load value at (base + table_data_offset), i.e. the address at Ctx.tables[index].data
|
||||
let base_gv = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base,
|
||||
offset: Offset32::new(table_data_offset),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: false,
|
||||
});
|
||||
|
||||
// Load value at (base + table_data_offset), i.e. the value at Ctx.tables[index].len
|
||||
let bound_gv = func.create_global_value(ir::GlobalValueData::Load {
|
||||
base,
|
||||
offset: Offset32::new(table_data_offset + ptr_size as i32),
|
||||
global_type: self.pointer_type(),
|
||||
readonly: false,
|
||||
});
|
||||
|
||||
// Create table based on the data above
|
||||
func.create_table(ir::TableData {
|
||||
base_gv,
|
||||
min_size: Uimm64::new(0),
|
||||
bound_gv,
|
||||
element_size: Uimm64::new(u64::from(self.pointer_bytes())),
|
||||
index_type: I64,
|
||||
})
|
||||
}
|
||||
|
||||
/// Sets up a signature definition in `func`'s preamble.
|
||||
///
|
||||
/// Signature may contain additional argument, but arguments marked as ArgumentPurpose::Normal`
|
||||
/// must correspond to the arguments in the wasm signature
|
||||
fn make_indirect_sig(&mut self, func: &mut ir::Function, index: SignatureIndex) -> ir::SigRef {
|
||||
// Create a signature reference out of specified signature (with VMContext param added).
|
||||
func.import_signature(self.generate_signature(index))
|
||||
}
|
||||
|
||||
/// Sets up an external function definition in the preamble of `func` that can be used to
|
||||
/// directly call the function `index`.
|
||||
///
|
||||
/// The index space covers both imported functions and functions defined in the current module.
|
||||
fn make_direct_func(&mut self, func: &mut ir::Function, index: FuncIndex) -> ir::FuncRef {
|
||||
// Get signature of function.
|
||||
let signature_index = self.module.get_func_type(index);
|
||||
|
||||
// Create a signature reference from specified signature (with VMContext param added).
|
||||
let signature = func.import_signature(self.generate_signature(signature_index));
|
||||
|
||||
// Get name of function.
|
||||
let name = ExternalName::user(0, index.as_u32());
|
||||
|
||||
// Create function reference from fuction data.
|
||||
func.import_function(ir::ExtFuncData {
|
||||
name,
|
||||
signature,
|
||||
colocated: false,
|
||||
})
|
||||
}
|
||||
|
||||
/// Generates an indirect call IR with `callee` and `call_args`.
|
||||
///
|
||||
/// Inserts instructions at `pos` to the function `callee` in the table
|
||||
/// `table_index` with WebAssembly signature `sig_index`
|
||||
/// TODO: Generate bounds checking code.
|
||||
#[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
|
||||
fn translate_call_indirect(
|
||||
&mut self,
|
||||
mut pos: FuncCursor,
|
||||
_table_index: TableIndex,
|
||||
table: ir::Table,
|
||||
_sig_index: SignatureIndex,
|
||||
sig_ref: ir::SigRef,
|
||||
callee: ir::Value,
|
||||
call_args: &[ir::Value],
|
||||
) -> WasmResult<ir::Inst> {
|
||||
// Create a VMContext value.
|
||||
let vmctx = pos
|
||||
.func
|
||||
.special_param(ir::ArgumentPurpose::VMContext)
|
||||
.expect("missing vmctx parameter");
|
||||
|
||||
// Get the pointer type based on machine's pointer size.
|
||||
let ptr_type = self.pointer_type();
|
||||
|
||||
// The `callee` value is an index into a table of function pointers.
|
||||
// Set callee to an appropriate type based on machine's pointer size.
|
||||
let callee_offset = if ptr_type == I32 {
|
||||
callee
|
||||
} else {
|
||||
pos.ins().uextend(ptr_type, callee)
|
||||
};
|
||||
|
||||
// The `callee` value is an index into a table of function pointers.
|
||||
let entry_addr = pos.ins().table_addr(ptr_type, table, callee_offset, 0);
|
||||
|
||||
let mut mflags = ir::MemFlags::new();
|
||||
mflags.set_notrap();
|
||||
mflags.set_aligned();
|
||||
|
||||
let func_ptr = pos.ins().load(ptr_type, mflags, entry_addr, 0);
|
||||
|
||||
pos.ins().trapz(func_ptr, TrapCode::IndirectCallToNull);
|
||||
|
||||
// Build a value list for the indirect call instruction containing the callee, call_args,
|
||||
// and the vmctx parameter.
|
||||
let mut args = ir::ValueList::default();
|
||||
args.push(func_ptr, &mut pos.func.dfg.value_lists);
|
||||
args.extend(call_args.iter().cloned(), &mut pos.func.dfg.value_lists);
|
||||
args.push(vmctx, &mut pos.func.dfg.value_lists);
|
||||
|
||||
let inst = pos
|
||||
.ins()
|
||||
.CallIndirect(ir::Opcode::CallIndirect, INVALID, sig_ref, args)
|
||||
.0;
|
||||
|
||||
Ok(inst)
|
||||
}
|
||||
|
||||
/// Generates a call IR with `callee` and `call_args` and inserts it at `pos`
|
||||
/// TODO: add support for imported functions
|
||||
fn translate_call(
|
||||
&mut self,
|
||||
mut pos: FuncCursor,
|
||||
_callee_index: FuncIndex,
|
||||
callee: ir::FuncRef,
|
||||
call_args: &[ir::Value],
|
||||
) -> WasmResult<ir::Inst> {
|
||||
// Insert call instructions for `callee`.
|
||||
Ok(pos.ins().call(callee, call_args))
|
||||
}
|
||||
|
||||
/// Generates code corresponding to wasm `memory.grow`.
|
||||
///
|
||||
/// `index` refers to the linear memory to query.
|
||||
///
|
||||
/// `heap` refers to the IR generated by `make_heap`.
|
||||
///
|
||||
/// `val` refers the value to grow the memory by.
|
||||
fn translate_memory_grow(
|
||||
&mut self,
|
||||
mut pos: FuncCursor,
|
||||
index: MemoryIndex,
|
||||
_heap: ir::Heap,
|
||||
val: ir::Value,
|
||||
) -> WasmResult<ir::Value> {
|
||||
// Only the first memory is supported for now.
|
||||
let grow_mem_func = self.module.grow_memory_extfunc.unwrap_or_else(|| {
|
||||
// Create signature reference from specified signature.
|
||||
let signature_ref = pos.func.import_signature(Signature {
|
||||
// Get the default calling convention of the isa.
|
||||
call_conv: self.module.config.default_call_conv,
|
||||
// Paramters types.
|
||||
params: vec![
|
||||
// Param for new size.
|
||||
AbiParam::new(I32),
|
||||
// Param for memory index.
|
||||
AbiParam::new(I32),
|
||||
// Param for VMcontext.
|
||||
AbiParam::special(self.pointer_type(), ArgumentPurpose::VMContext),
|
||||
],
|
||||
// Return type for previous memory size.
|
||||
returns: vec![AbiParam::new(I32)],
|
||||
});
|
||||
|
||||
// Create function reference to a linked `grow_memory` function.
|
||||
pos.func.import_function(ExtFuncData {
|
||||
name: ExternalName::testcase("grow_memory"),
|
||||
signature: signature_ref,
|
||||
colocated: false,
|
||||
})
|
||||
});
|
||||
|
||||
// Create a memory index value.
|
||||
let memory_index = pos.ins().iconst(I32, to_imm64(index.index()));
|
||||
|
||||
// Create a VMContext value.
|
||||
let vmctx = pos
|
||||
.func
|
||||
.special_param(ArgumentPurpose::VMContext)
|
||||
.expect("missing vmctx parameter");
|
||||
|
||||
// Insert call instructions for `grow_memory`.
|
||||
let call_inst = pos.ins().call(grow_mem_func, &[val, memory_index, vmctx]);
|
||||
|
||||
// Return value.
|
||||
Ok(*pos.func.dfg.inst_results(call_inst).first().unwrap())
|
||||
}
|
||||
|
||||
/// Generates code corresponding to wasm `memory.size`.
|
||||
///
|
||||
/// `index` refers to the linear memory to query.
|
||||
///
|
||||
/// `heap` refers to the IR generated by `make_heap`.
|
||||
fn translate_memory_size(
|
||||
&mut self,
|
||||
mut pos: FuncCursor,
|
||||
index: MemoryIndex,
|
||||
_heap: ir::Heap,
|
||||
) -> WasmResult<ir::Value> {
|
||||
debug_assert_eq!(index.index(), 0, "non-default memories not supported yet");
|
||||
// Only the first memory is supported for now.
|
||||
let cur_mem_func = self.module.current_memory_extfunc.unwrap_or_else(|| {
|
||||
// Create signature reference from specified signature.
|
||||
let signature_ref = pos.func.import_signature(Signature {
|
||||
// Get the default calling convention of the isa.
|
||||
call_conv: self.module.config.default_call_conv,
|
||||
// Paramters types.
|
||||
params: vec![
|
||||
// Param for memory index.
|
||||
AbiParam::new(I32),
|
||||
// Param for VMcontext.
|
||||
AbiParam::special(self.pointer_type(), ArgumentPurpose::VMContext),
|
||||
],
|
||||
// Return type for current memory size.
|
||||
returns: vec![AbiParam::new(I32)],
|
||||
});
|
||||
|
||||
// Create function reference to a linked `current_memory` function.
|
||||
pos.func.import_function(ExtFuncData {
|
||||
name: ExternalName::testcase("current_memory"),
|
||||
signature: signature_ref,
|
||||
colocated: false,
|
||||
})
|
||||
});
|
||||
|
||||
// Create a memory index value.
|
||||
let memory_index_value = pos.ins().iconst(I32, to_imm64(index.index()));
|
||||
|
||||
// Create a VMContext value.
|
||||
let vmctx = pos.func.special_param(ArgumentPurpose::VMContext).unwrap();
|
||||
|
||||
// Insert call instructions for `current_memory`.
|
||||
let call_inst = pos.ins().call(cur_mem_func, &[memory_index_value, vmctx]);
|
||||
|
||||
// Return value.
|
||||
Ok(*pos.func.dfg.inst_results(call_inst).first().unwrap())
|
||||
}
|
||||
|
||||
/// Generates code at the beginning of loops.
|
||||
///
|
||||
/// Currently not used.
|
||||
fn translate_loop_header(&mut self, _pos: FuncCursor) {
|
||||
// By default, don't emit anything.
|
||||
}
|
||||
|
||||
/// Determines the type of return each function should have.
|
||||
///
|
||||
/// It is normal returns for now.
|
||||
fn return_mode(&self) -> ReturnMode {
|
||||
ReturnMode::NormalReturns
|
||||
}
|
||||
}
|
||||
|
||||
/// Convert a usize offset into a `Imm64` for an iadd_imm.
|
||||
fn to_imm64(offset: usize) -> ir::immediates::Imm64 {
|
||||
(offset as i64).into()
|
||||
}
|
||||
|
||||
impl<'data> ModuleEnvironment<'data> for CraneliftModule {
|
||||
/// Get the information needed to produce Cranelift IR for the current target.
|
||||
fn target_config(&self) -> TargetFrontendConfig {
|
||||
self.config
|
||||
}
|
||||
|
||||
/// Declares a function signature to the environment.
|
||||
fn declare_signature(&mut self, sig: &ir::Signature) {
|
||||
self.signatures.push(sig.clone());
|
||||
}
|
||||
|
||||
/// Return the signature with the given index.
|
||||
fn get_signature(&self, sig_index: SignatureIndex) -> &ir::Signature {
|
||||
&self.signatures[sig_index.index()]
|
||||
}
|
||||
|
||||
/// Declares a function import to the environment.
|
||||
fn declare_func_import(
|
||||
&mut self,
|
||||
sig_index: SignatureIndex,
|
||||
module: &'data str,
|
||||
field: &'data str,
|
||||
) {
|
||||
// Imported functions are always declared first
|
||||
// Add signature index to list of functions
|
||||
self.functions.push(sig_index);
|
||||
|
||||
// Add import names to list of imported functions
|
||||
self.imported_functions
|
||||
.push((String::from(module), String::from(field)).into());
|
||||
}
|
||||
|
||||
/// Return the number of imported funcs.
|
||||
fn get_num_func_imports(&self) -> usize {
|
||||
self.imported_functions.len()
|
||||
}
|
||||
|
||||
/// Declares the type (signature) of a local function in the module.
|
||||
fn declare_func_type(&mut self, sig_index: SignatureIndex) {
|
||||
self.functions.push(sig_index);
|
||||
}
|
||||
|
||||
/// Return the signature index for the given function index.
|
||||
fn get_func_type(&self, func_index: FuncIndex) -> SignatureIndex {
|
||||
self.functions[func_index]
|
||||
}
|
||||
|
||||
/// Declares a global to the environment.
|
||||
fn declare_global(&mut self, global: Global) {
|
||||
// Add global ir to the list of globals
|
||||
self.globals.push(global);
|
||||
}
|
||||
|
||||
/// Declares a global import to the environment.
|
||||
fn declare_global_import(&mut self, global: Global, module: &'data str, field: &'data str) {
|
||||
// Add global index to list of globals
|
||||
self.globals.push(global);
|
||||
|
||||
// Add import names to list of imported globals
|
||||
self.imported_globals.push((
|
||||
(String::from(module), String::from(field)).into(),
|
||||
converter::convert_global(global).desc,
|
||||
));
|
||||
}
|
||||
|
||||
/// Return the global for the given global index.
|
||||
fn get_global(&self, global_index: GlobalIndex) -> &Global {
|
||||
&self.globals[global_index.index()]
|
||||
}
|
||||
|
||||
/// Declares a table to the environment.
|
||||
fn declare_table(&mut self, table: Table) {
|
||||
// Add table ir to the list of tables
|
||||
self.tables.push(table);
|
||||
}
|
||||
|
||||
/// Declares a table import to the environment.
|
||||
fn declare_table_import(&mut self, table: Table, module: &'data str, field: &'data str) {
|
||||
// Add table index to list of tables
|
||||
self.tables.push(table);
|
||||
|
||||
// Add import names to list of imported tables
|
||||
self.imported_tables.push((
|
||||
(String::from(module), String::from(field)).into(),
|
||||
converter::convert_table(table),
|
||||
));
|
||||
}
|
||||
|
||||
/// Fills a declared table with references to functions in the module.
|
||||
fn declare_table_elements(
|
||||
&mut self,
|
||||
table_index: TableIndex,
|
||||
base: Option<GlobalIndex>,
|
||||
offset: usize,
|
||||
elements: Vec<FuncIndex>,
|
||||
) {
|
||||
// Convert Cranelift GlobalIndex to wamser GlobalIndex
|
||||
let base = base.map(|index| WasmerGlobalIndex::new(index.index()));
|
||||
|
||||
// Add table initializer to list of table initializers
|
||||
self.table_initializers.push(TableInitializer {
|
||||
table_index: WasmerTableIndex::new(table_index.index()),
|
||||
base,
|
||||
offset,
|
||||
elements: elements
|
||||
.iter()
|
||||
.map(|index| WasmerFuncIndex::new(index.index()))
|
||||
.collect(),
|
||||
});
|
||||
}
|
||||
|
||||
/// Declares a memory to the environment
|
||||
fn declare_memory(&mut self, memory: Memory) {
|
||||
// Add memory index to list of memories
|
||||
self.memories.push(memory);
|
||||
}
|
||||
|
||||
/// Declares a memory import to the environment.
|
||||
fn declare_memory_import(&mut self, memory: Memory, module: &'data str, field: &'data str) {
|
||||
// Add memory index to list of memories
|
||||
self.memories.push(memory);
|
||||
|
||||
// Add import names to list of imported memories
|
||||
self.imported_memories.push((
|
||||
(String::from(module), String::from(field)).into(),
|
||||
converter::convert_memory(memory),
|
||||
));
|
||||
}
|
||||
|
||||
/// Fills a declared memory with bytes at module instantiation.
|
||||
fn declare_data_initialization(
|
||||
&mut self,
|
||||
memory_index: MemoryIndex,
|
||||
base: Option<GlobalIndex>,
|
||||
offset: usize,
|
||||
data: &'data [u8],
|
||||
) {
|
||||
// Convert Cranelift GlobalIndex to wamser GlobalIndex
|
||||
let base = base.map(|index| WasmerGlobalIndex::new(index.index()));
|
||||
|
||||
// Add data initializer to list of data initializers
|
||||
self.data_initializers.push(DataInitializer {
|
||||
memory_index: WasmerMemoryIndex::new(memory_index.index()),
|
||||
base,
|
||||
offset,
|
||||
data: data.to_vec(),
|
||||
});
|
||||
}
|
||||
|
||||
/// Declares a function export to the environment.
|
||||
fn declare_func_export(&mut self, func_index: FuncIndex, name: &'data str) {
|
||||
self.exports.insert(
|
||||
String::from(name),
|
||||
Export::Func(WasmerFuncIndex::new(func_index.index())),
|
||||
);
|
||||
}
|
||||
/// Declares a table export to the environment.
|
||||
fn declare_table_export(&mut self, table_index: TableIndex, name: &'data str) {
|
||||
self.exports.insert(
|
||||
String::from(name),
|
||||
Export::Table(WasmerTableIndex::new(table_index.index())),
|
||||
);
|
||||
}
|
||||
/// Declares a memory export to the environment.
|
||||
fn declare_memory_export(&mut self, memory_index: MemoryIndex, name: &'data str) {
|
||||
self.exports.insert(
|
||||
String::from(name),
|
||||
Export::Memory(WasmerMemoryIndex::new(memory_index.index())),
|
||||
);
|
||||
}
|
||||
/// Declares a global export to the environment.
|
||||
fn declare_global_export(&mut self, global_index: GlobalIndex, name: &'data str) {
|
||||
self.exports.insert(
|
||||
String::from(name),
|
||||
Export::Global(WasmerGlobalIndex::new(global_index.index())),
|
||||
);
|
||||
}
|
||||
|
||||
/// Declares a start function.
|
||||
fn declare_start_func(&mut self, index: FuncIndex) {
|
||||
self.start_func = Some(WasmerFuncIndex::new(index.index()));
|
||||
}
|
||||
|
||||
/// Provides the contents of a function body.
|
||||
fn define_function_body(&mut self, body_bytes: &'data [u8]) -> WasmResult<()> {
|
||||
// IR of the function body.
|
||||
let func_body = {
|
||||
// Generate a function environment needed by the function IR.
|
||||
let mut func_environ = FuncEnvironment::new(&self);
|
||||
|
||||
// Get function index.
|
||||
let func_index =
|
||||
FuncIndex::new(self.get_num_func_imports() + self.function_bodies.len());
|
||||
|
||||
// Get the name of function index.
|
||||
let name = ExternalName::user(0, func_index.as_u32());
|
||||
|
||||
// Get signature of function and extend with a vmct parameter.
|
||||
let sig = func_environ.generate_signature(self.get_func_type(func_index));
|
||||
|
||||
// Create function.
|
||||
let mut function = ir::Function::with_name_signature(name, sig);
|
||||
|
||||
// Complete function creation with translated function body.
|
||||
FuncTranslator::new().translate(body_bytes, &mut function, &mut func_environ)?;
|
||||
|
||||
function
|
||||
};
|
||||
|
||||
// Add function body to list of function bodies.
|
||||
self.function_bodies.push(func_body);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
70
lib/clif-backend/src/lib.rs
Normal file
70
lib/clif-backend/src/lib.rs
Normal file
@ -0,0 +1,70 @@
|
||||
mod codegen;
|
||||
mod libcalls;
|
||||
mod relocation;
|
||||
mod resolver;
|
||||
|
||||
use wasmer_runtime::{Compiler, Module};
|
||||
use cranelift_codegen::{settings::{self, Configurable}, isa};
|
||||
use target_lexicon::Triple;
|
||||
use wasmparser::{self, WasmDecoder};
|
||||
|
||||
use self::codegen::CraneliftModule;
|
||||
use self::codegen::converter;
|
||||
|
||||
pub struct CraneliftCompiler {}
|
||||
|
||||
impl CraneliftCompiler {
|
||||
pub fn new() -> Self {
|
||||
Self {}
|
||||
}
|
||||
}
|
||||
|
||||
impl Compiler for CraneliftCompiler {
|
||||
// Compiles wasm binary to a wasmer module
|
||||
fn compile(&self, wasm: &[u8]) -> Result<Module, String> {
|
||||
validate(wasm)?;
|
||||
|
||||
let isa = get_isa();
|
||||
// Generate a Cranlift module from wasm binary
|
||||
let cranelift_module = CraneliftModule::from_bytes(&wasm.to_vec(), isa.frontend_config())?;
|
||||
|
||||
// Convert Cranelift module to wasmer module
|
||||
let wasmer_module = converter::convert_module(cranelift_module);
|
||||
|
||||
// Return new wasmer module
|
||||
Ok(Module::new(wasmer_module))
|
||||
}
|
||||
}
|
||||
|
||||
fn get_isa() -> Box<isa::TargetIsa> {
|
||||
let flags = {
|
||||
let mut builder = settings::builder();
|
||||
builder.set("opt_level", "best").unwrap();
|
||||
|
||||
if cfg!(not(test)) {
|
||||
builder.set("enable_verifier", "false").unwrap();
|
||||
}
|
||||
|
||||
let flags = settings::Flags::new(builder);
|
||||
debug_assert_eq!(flags.opt_level(), settings::OptLevel::Best);
|
||||
flags
|
||||
};
|
||||
isa::lookup(Triple::host()).unwrap().finish(flags)
|
||||
}
|
||||
|
||||
fn validate(bytes: &[u8]) -> Result<(), String> {
|
||||
let mut parser = wasmparser::ValidatingParser::new(bytes, None);
|
||||
loop {
|
||||
let state = parser.read();
|
||||
match *state {
|
||||
wasmparser::ParserState::EndWasm => return Ok(()),
|
||||
wasmparser::ParserState::Error(err) => {
|
||||
return Err(format!(
|
||||
"Validation error: {}",
|
||||
err.message
|
||||
));
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
}
|
||||
47
lib/clif-backend/src/libcalls.rs
Normal file
47
lib/clif-backend/src/libcalls.rs
Normal file
@ -0,0 +1,47 @@
|
||||
// F32
|
||||
#[inline]
|
||||
pub extern "C" fn ceilf32(x: f32) -> f32 {
|
||||
x.ceil()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn floorf32(x: f32) -> f32 {
|
||||
x.floor()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn truncf32(x: f32) -> f32 {
|
||||
x.trunc()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn nearbyintf32(x: f32) -> f32 {
|
||||
x.round()
|
||||
}
|
||||
|
||||
// F64
|
||||
#[inline]
|
||||
pub extern "C" fn ceilf64(x: f64) -> f64 {
|
||||
x.ceil()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn floorf64(x: f64) -> f64 {
|
||||
x.floor()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn truncf64(x: f64) -> f64 {
|
||||
x.trunc()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub extern "C" fn nearbyintf64(x: f64) -> f64 {
|
||||
x.round()
|
||||
}
|
||||
|
||||
/// A declaration for the stack probe function in Rust's standard library, for
|
||||
/// catching callstack overflow.
|
||||
extern "C" {
|
||||
pub fn __rust_probestack();
|
||||
}
|
||||
141
lib/clif-backend/src/relocation.rs
Normal file
141
lib/clif-backend/src/relocation.rs
Normal file
@ -0,0 +1,141 @@
|
||||
//! The relocation package provide two structures: RelocSink, TrapSink.
|
||||
//! This structures are used by Cranelift when compiling functions to mark
|
||||
//! any other calls that this function is doing, so we can "patch" the
|
||||
//! function addrs in runtime with the functions we need.
|
||||
use cranelift_codegen::binemit;
|
||||
use cranelift_codegen::ir::{self, ExternalName, LibCall, SourceLoc, TrapCode};
|
||||
|
||||
pub use cranelift_codegen::binemit::Reloc;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Relocation {
|
||||
/// The relocation code.
|
||||
pub reloc: binemit::Reloc,
|
||||
/// The offset where to apply the relocation.
|
||||
pub offset: binemit::CodeOffset,
|
||||
/// The addend to add to the relocation value.
|
||||
pub addend: binemit::Addend,
|
||||
/// Relocation type.
|
||||
pub target: RelocationType,
|
||||
}
|
||||
|
||||
/// Specify the type of relocation
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum RelocationType {
|
||||
Normal(u32),
|
||||
Intrinsic(String),
|
||||
LibCall(LibCall),
|
||||
GrowMemory,
|
||||
CurrentMemory,
|
||||
}
|
||||
|
||||
/// Implementation of a relocation sink that just saves all the information for later
|
||||
pub struct RelocSink {
|
||||
/// Relocations recorded for the function.
|
||||
pub func_relocs: Vec<Relocation>,
|
||||
}
|
||||
|
||||
impl binemit::RelocSink for RelocSink {
|
||||
fn reloc_ebb(
|
||||
&mut self,
|
||||
_offset: binemit::CodeOffset,
|
||||
_reloc: binemit::Reloc,
|
||||
_ebb_offset: binemit::CodeOffset,
|
||||
) {
|
||||
// This should use the `offsets` field of `ir::Function`.
|
||||
unimplemented!();
|
||||
}
|
||||
fn reloc_external(
|
||||
&mut self,
|
||||
offset: binemit::CodeOffset,
|
||||
reloc: binemit::Reloc,
|
||||
name: &ExternalName,
|
||||
addend: binemit::Addend,
|
||||
) {
|
||||
match *name {
|
||||
ExternalName::User {
|
||||
namespace: 0,
|
||||
index,
|
||||
} => {
|
||||
self.func_relocs.push(Relocation {
|
||||
reloc,
|
||||
offset,
|
||||
addend,
|
||||
target: RelocationType::Normal(index as _),
|
||||
});
|
||||
}
|
||||
ExternalName::TestCase { length, ascii } => {
|
||||
let (slice, _) = ascii.split_at(length as usize);
|
||||
let name = String::from_utf8(slice.to_vec()).unwrap();
|
||||
let relocation_type = match name.as_str() {
|
||||
"current_memory" => RelocationType::CurrentMemory,
|
||||
"grow_memory" => RelocationType::GrowMemory,
|
||||
_ => RelocationType::Intrinsic(name),
|
||||
};
|
||||
self.func_relocs.push(Relocation {
|
||||
reloc,
|
||||
offset,
|
||||
addend,
|
||||
target: relocation_type,
|
||||
});
|
||||
}
|
||||
ExternalName::LibCall(libcall) => {
|
||||
let relocation_type = RelocationType::LibCall(libcall);
|
||||
self.func_relocs.push(Relocation {
|
||||
reloc,
|
||||
offset,
|
||||
addend,
|
||||
target: relocation_type,
|
||||
});
|
||||
}
|
||||
_ => {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
}
|
||||
fn reloc_jt(
|
||||
&mut self,
|
||||
_offset: binemit::CodeOffset,
|
||||
_reloc: binemit::Reloc,
|
||||
_jt: ir::JumpTable,
|
||||
) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
|
||||
/// Implementation of a relocation sink that just saves all the information for later
|
||||
impl RelocSink {
|
||||
pub fn new() -> RelocSink {
|
||||
RelocSink {
|
||||
func_relocs: Vec::new(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct TrapData {
|
||||
pub offset: usize,
|
||||
pub code: TrapCode,
|
||||
}
|
||||
|
||||
/// Simple implementation of a TrapSink
|
||||
/// that saves the info for later.
|
||||
pub struct TrapSink {
|
||||
trap_datas: Vec<TrapData>,
|
||||
}
|
||||
|
||||
impl TrapSink {
|
||||
pub fn new() -> TrapSink {
|
||||
TrapSink {
|
||||
trap_datas: Vec::new(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl binemit::TrapSink for TrapSink {
|
||||
fn trap(&mut self, offset: u32, _: SourceLoc, code: TrapCode) {
|
||||
self.trap_datas.push(TrapData {
|
||||
offset: offset as usize,
|
||||
code,
|
||||
});
|
||||
}
|
||||
}
|
||||
172
lib/clif-backend/src/resolver.rs
Normal file
172
lib/clif-backend/src/resolver.rs
Normal file
@ -0,0 +1,172 @@
|
||||
use cranelift_codegen::{
|
||||
ir,
|
||||
isa,
|
||||
Context,
|
||||
};
|
||||
use wasmer_runtime::{
|
||||
self,
|
||||
types::{Map, MapIndex, FuncIndex},
|
||||
mmap::{Mmap, Protect},
|
||||
vm,
|
||||
vmcalls,
|
||||
};
|
||||
use crate::relocation::{Reloc, RelocSink, Relocation, RelocationType, TrapSink};
|
||||
use crate::libcalls;
|
||||
use std::ptr::{write_unaligned, NonNull};
|
||||
use std::mem;
|
||||
|
||||
#[allow(dead_code)]
|
||||
pub struct FuncResolverBuilder {
|
||||
resolver: FuncResolver,
|
||||
relocations: Map<FuncIndex, Vec<Relocation>>,
|
||||
trap_sinks: Map<FuncIndex, TrapSink>,
|
||||
}
|
||||
|
||||
impl FuncResolverBuilder {
|
||||
pub fn new(isa: &isa::TargetIsa, function_bodies: Vec<ir::Function>) -> Result<Self, String> {
|
||||
let mut compiled_functions: Vec<Vec<u8>> = Vec::with_capacity(function_bodies.len());
|
||||
let mut relocations = Map::with_capacity(function_bodies.len());
|
||||
let mut trap_sinks = Map::with_capacity(function_bodies.len());
|
||||
|
||||
let mut ctx = Context::new();
|
||||
let mut total_size = 0;
|
||||
|
||||
for func in function_bodies.into_iter() {
|
||||
ctx.func = func;
|
||||
let mut code_buf = Vec::new();
|
||||
let mut reloc_sink = RelocSink::new();
|
||||
let mut trap_sink = TrapSink::new();
|
||||
|
||||
ctx
|
||||
.compile_and_emit(isa, &mut code_buf, &mut reloc_sink, &mut trap_sink)
|
||||
.map_err(|e| {
|
||||
format!("compile error: {}", e.to_string())
|
||||
})?;
|
||||
ctx.clear();
|
||||
// Round up each function's size to pointer alignment.
|
||||
total_size += round_up(code_buf.len(), mem::size_of::<usize>());
|
||||
|
||||
compiled_functions.push(code_buf);
|
||||
relocations.push(reloc_sink.func_relocs);
|
||||
trap_sinks.push(trap_sink);
|
||||
}
|
||||
|
||||
let mut memory = Mmap::with_size(total_size)?;
|
||||
unsafe {
|
||||
memory.protect(0..memory.size(), Protect::ReadWrite)?;
|
||||
}
|
||||
|
||||
let mut map = Map::with_capacity(compiled_functions.len());
|
||||
|
||||
let mut previous_end = 0;
|
||||
for compiled in compiled_functions.iter() {
|
||||
let new_end = previous_end + round_up(compiled.len(), mem::size_of::<usize>());
|
||||
unsafe {
|
||||
memory.as_slice_mut()[previous_end..previous_end + compiled.len()].copy_from_slice(&compiled[..]);
|
||||
}
|
||||
map.push(previous_end);
|
||||
previous_end = new_end;
|
||||
}
|
||||
|
||||
Ok(Self {
|
||||
resolver: FuncResolver {
|
||||
map,
|
||||
memory,
|
||||
},
|
||||
relocations,
|
||||
trap_sinks,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn finalize(mut self) -> Result<FuncResolver, String> {
|
||||
for (index, relocs) in self.relocations.iter() {
|
||||
for ref reloc in relocs {
|
||||
let target_func_address: isize = match reloc.target {
|
||||
RelocationType::Normal(func_index) => {
|
||||
// This will always be an internal function
|
||||
// because imported functions are not
|
||||
// called in this way.
|
||||
self.resolver.lookup(FuncIndex::new(func_index as _)).unwrap().as_ptr() as isize
|
||||
}
|
||||
RelocationType::CurrentMemory => vmcalls::memory_size as isize,
|
||||
RelocationType::GrowMemory => vmcalls::memory_grow_static as isize,
|
||||
RelocationType::LibCall(libcall) => match libcall {
|
||||
ir::LibCall::CeilF32 => libcalls::ceilf32 as isize,
|
||||
ir::LibCall::FloorF32 => libcalls::floorf32 as isize,
|
||||
ir::LibCall::TruncF32 => libcalls::truncf32 as isize,
|
||||
ir::LibCall::NearestF32 => libcalls::nearbyintf32 as isize,
|
||||
ir::LibCall::CeilF64 => libcalls::ceilf64 as isize,
|
||||
ir::LibCall::FloorF64 => libcalls::floorf64 as isize,
|
||||
ir::LibCall::TruncF64 => libcalls::truncf64 as isize,
|
||||
ir::LibCall::NearestF64 => libcalls::nearbyintf64 as isize,
|
||||
ir::LibCall::Probestack => libcalls::__rust_probestack as isize,
|
||||
_ => {
|
||||
panic!("unexpected libcall {}", libcall);
|
||||
}
|
||||
},
|
||||
RelocationType::Intrinsic(ref name) => {
|
||||
panic!("unexpected intrinsic {}", name);
|
||||
}
|
||||
};
|
||||
|
||||
// We need the address of the current function
|
||||
// because these calls are relative.
|
||||
let func_addr = self.resolver.lookup(index).unwrap().as_ptr();
|
||||
|
||||
// Determine relocation type and apply relocation.
|
||||
match reloc.reloc {
|
||||
Reloc::Abs8 => unsafe {
|
||||
let reloc_address = func_addr.offset(reloc.offset as isize) as i64;
|
||||
let reloc_addend = reloc.addend;
|
||||
let reloc_abs = target_func_address as i64 + reloc_addend;
|
||||
write_unaligned(reloc_address as *mut i64, reloc_abs);
|
||||
},
|
||||
Reloc::X86PCRel4 => unsafe {
|
||||
let reloc_address = func_addr.offset(reloc.offset as isize) as isize;
|
||||
let reloc_addend = reloc.addend as isize;
|
||||
// TODO: Handle overflow.
|
||||
let reloc_delta_i32 =
|
||||
(target_func_address - reloc_address + reloc_addend) as i32;
|
||||
write_unaligned(reloc_address as *mut i32, reloc_delta_i32);
|
||||
},
|
||||
_ => panic!("unsupported reloc kind"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsafe {
|
||||
self.resolver.memory.protect(0..self.resolver.memory.size(), Protect::ReadExec)?;
|
||||
}
|
||||
|
||||
Ok(self.resolver)
|
||||
}
|
||||
}
|
||||
|
||||
/// Resolves a function index to a function address.
|
||||
pub struct FuncResolver {
|
||||
map: Map<FuncIndex, usize>,
|
||||
memory: Mmap,
|
||||
}
|
||||
|
||||
impl FuncResolver {
|
||||
fn lookup(&self, index: FuncIndex) -> Option<NonNull<vm::Func>> {
|
||||
let offset = *self.map.get(index)?;
|
||||
let ptr = unsafe {
|
||||
self.memory.as_ptr().add(offset)
|
||||
};
|
||||
|
||||
NonNull::new(ptr).map(|nonnull| nonnull.cast())
|
||||
}
|
||||
}
|
||||
|
||||
// Implements FuncResolver trait.
|
||||
impl wasmer_runtime::FuncResolver for FuncResolver {
|
||||
fn get(&self, _module: &wasmer_runtime::Module, index: FuncIndex) -> Option<NonNull<vm::Func>> {
|
||||
self.lookup(index)
|
||||
}
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn round_up(n: usize, multiple: usize) -> usize {
|
||||
(n + multiple - 1) & !(multiple - 1)
|
||||
}
|
||||
253
lib/runtime/Cargo.lock
generated
253
lib/runtime/Cargo.lock
generated
@ -57,6 +57,11 @@ name = "byteorder"
|
||||
version = "1.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cast"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cc"
|
||||
version = "1.0.28"
|
||||
@ -99,6 +104,76 @@ dependencies = [
|
||||
"vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-bforest"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-codegen"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-bforest 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-codegen-meta 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-codegen-meta"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-entity"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-frontend"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-native"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-wasm"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-frontend 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "env_logger"
|
||||
version = "0.4.3"
|
||||
@ -127,6 +202,25 @@ dependencies = [
|
||||
"libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "failure"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "failure_derive"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gcc"
|
||||
version = "0.3.55"
|
||||
@ -146,6 +240,11 @@ dependencies = [
|
||||
"scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "itoa"
|
||||
version = "0.4.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "kernel32-sys"
|
||||
version = "0.2.2"
|
||||
@ -279,11 +378,37 @@ name = "pkg-config"
|
||||
version = "0.3.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "0.4.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "0.3.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "0.6.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "raw-cpuid"
|
||||
version = "6.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "redox_syscall"
|
||||
version = "0.1.50"
|
||||
@ -317,16 +442,88 @@ dependencies = [
|
||||
"ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc_version"
|
||||
version = "0.2.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "0.3.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "semver"
|
||||
version = "0.9.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "semver-parser"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.84"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "serde_json"
|
||||
version = "1.0.34"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "0.15.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "synstructure"
|
||||
version = "0.10.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "target-lexicon"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termion"
|
||||
version = "1.5.1"
|
||||
@ -363,6 +560,11 @@ name = "unicode-width"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "utf8-ranges"
|
||||
version = "1.0.2"
|
||||
@ -383,6 +585,20 @@ name = "void"
|
||||
version = "1.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "wasmer-clif-backend"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-native 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-wasm 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"hashbrown 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"wasmer-runtime 0.1.0",
|
||||
"wasmparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasmer-runtime"
|
||||
version = "0.1.0"
|
||||
@ -392,8 +608,19 @@ dependencies = [
|
||||
"libffi 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"wasmer-clif-backend 0.1.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasmparser"
|
||||
version = "0.22.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "wasmparser"
|
||||
version = "0.23.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "which"
|
||||
version = "1.0.5"
|
||||
@ -439,17 +666,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
"checksum bindgen 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)" = "57253399c086f4f29e57ffd3b5cdbc23a806a00292619351aa4cfa39cb49d4ea"
|
||||
"checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
|
||||
"checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
|
||||
"checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
|
||||
"checksum cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a8b715cb4597106ea87c7c84b2f1d452c7492033765df7f32651e66fcf749"
|
||||
"checksum cexpr 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42aac45e9567d97474a834efdee3081b3c942b2205be932092f53354ce503d6c"
|
||||
"checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
|
||||
"checksum clang-sys 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e414af9726e1d11660801e73ccc7fb81803fb5f49e5903a25b348b2b3b480d2e"
|
||||
"checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
|
||||
"checksum cranelift-bforest 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "40f8ff24e9a6c89b8a846b14df9a34d2cac17cea7bdb5c81ed6b4744ee0e38bf"
|
||||
"checksum cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "42f5b809bd885c368e01aeec8fe04f21dcb07569834b907d75b4a7bed8d067eb"
|
||||
"checksum cranelift-codegen-meta 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "014c23ed3ebdc8377d41540af638245207dd169f421df042dfccc867465734ed"
|
||||
"checksum cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4df40e26c0cf7b4d86919cb995bb412ee3001cc18e4f3c83a903f30b7007d8b"
|
||||
"checksum cranelift-frontend 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "789907218eeebebcea8122c2053d71affac91c96ce72cea35ebfdbbf547e82af"
|
||||
"checksum cranelift-native 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "474bee81d620a473bf43411a3d6f10ffbf7965141dc5e5b76d8d2151dde3285d"
|
||||
"checksum cranelift-wasm 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49723365dab9a48b354bdc24cb6d9d5719bc1d3b858ffd2ea179d0d7d885804a"
|
||||
"checksum env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3ddf21e73e016298f5cb37d6ef8e8da8e39f91f9ec8b0df44b7deb16a9f8cd5b"
|
||||
"checksum errno 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c2a071601ed01b988f896ab14b95e67335d1eeb50190932a1320f7fe3cadc84e"
|
||||
"checksum errno-dragonfly 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "14ca354e36190500e1e1fb267c647932382b54053c50b14970856c0b00a35067"
|
||||
"checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
|
||||
"checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
|
||||
"checksum gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)" = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
|
||||
"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
|
||||
"checksum hashbrown 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "64b7d419d0622ae02fe5da6b9a5e1964b610a65bb37923b976aeebb6dbb8f86e"
|
||||
"checksum itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1306f3464951f30e30d12373d31c79fbd52d236e5e896fd92f96ec7babbbe60b"
|
||||
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
|
||||
"checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
|
||||
"checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
|
||||
@ -467,22 +705,37 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
"checksum page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f89ef58b3d32420dbd1a43d2f38ae92f6239ef12bb556ab09ca55445f5a67242"
|
||||
"checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
|
||||
"checksum pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
|
||||
"checksum proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)" = "77619697826f31a02ae974457af0b29b723e5619e113e9397b8b82c6bd253f09"
|
||||
"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
|
||||
"checksum quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "53fa22a1994bd0f9372d7a816207d8a2677ad0325b073f5c5332760f0fb62b5c"
|
||||
"checksum raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "30a9d219c32c9132f7be513c18be77c9881c7107d2ab5569d205a6a0f0e6dc7d"
|
||||
"checksum redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)" = "52ee9a534dc1301776eff45b4fa92d2c39b1d8c3d3357e6eb593e0d795506fc2"
|
||||
"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
|
||||
"checksum regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
|
||||
"checksum regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
|
||||
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
|
||||
"checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
|
||||
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
|
||||
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
|
||||
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
|
||||
"checksum serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)" = "0e732ed5a5592c17d961555e3b552985baf98d50ce418b7b655f31f6ba7eb1b7"
|
||||
"checksum serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)" = "bdf540260cfee6da923831f4776ddc495ada940c30117977c70f1313a6130545"
|
||||
"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
|
||||
"checksum syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)" = "734ecc29cd36e8123850d9bf21dfd62ef8300aaa8f879aabaa899721808be37c"
|
||||
"checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
|
||||
"checksum target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4af5e2227f0b887d591d3724b796a96eff04226104d872f5b3883fcd427d64b9"
|
||||
"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
|
||||
"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
|
||||
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
|
||||
"checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
|
||||
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
|
||||
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||
"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
|
||||
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
|
||||
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
|
||||
"checksum wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f46e666ecb4a406483a59a49f9d0c17f327e70da53a128eccddae2eadb95865c"
|
||||
"checksum wasmparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b5e01c420bc7d36e778bd242e1167b079562ba8b34087122cc9057187026d060"
|
||||
"checksum which 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e84a603e7e0b1ce1aa1ee2b109c7be00155ce52df5081590d1ffb93f4f515cb2"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
|
||||
|
||||
@ -10,3 +10,6 @@ libffi = "0.6.4"
|
||||
nix = "0.12.0"
|
||||
page_size = "0.4.1"
|
||||
errno = "0.2.4"
|
||||
|
||||
[dev-dependencies]
|
||||
wasmer-clif-backend = { path = "../clif-backend" }
|
||||
13
lib/runtime/examples/simple/main.rs
Normal file
13
lib/runtime/examples/simple/main.rs
Normal file
@ -0,0 +1,13 @@
|
||||
use wasmer_runtime as runtime;
|
||||
use wasmer_clif_backend::CraneliftCompiler;
|
||||
|
||||
static EXAMPLE_WASM: &'static [u8] = include_bytes!("simple.wasm");
|
||||
|
||||
fn main() {
|
||||
let compiler = CraneliftCompiler::new();
|
||||
let module = runtime::compile(EXAMPLE_WASM, &compiler).unwrap();
|
||||
let imports = runtime::Imports::new();
|
||||
let mut instance = module.instantiate(&imports).unwrap();
|
||||
let ret = instance.call("main", &[runtime::types::Value::I32(42)]);
|
||||
println!("ret: {:?}", ret);
|
||||
}
|
||||
BIN
lib/runtime/examples/simple/simple.wasm
Executable file
BIN
lib/runtime/examples/simple/simple.wasm
Executable file
Binary file not shown.
@ -102,14 +102,12 @@ impl Instance {
|
||||
.chain(iter::once(libffi_arg(&vmctx_ptr)))
|
||||
.collect();
|
||||
|
||||
let func_ptr = CodePtr::from_ptr(
|
||||
self.module
|
||||
let func_ptr = CodePtr::from_ptr(self.module
|
||||
.func_resolver
|
||||
.get(&self.module, func_index)
|
||||
.expect("broken invariant, func resolver not synced with module.exports")
|
||||
.cast()
|
||||
.as_ptr(),
|
||||
);
|
||||
.as_ptr());
|
||||
|
||||
call_protected(|| {
|
||||
self.module.sig_registry.lookup_func_sig(sig_index)
|
||||
|
||||
@ -4,19 +4,19 @@ mod backend;
|
||||
mod backing;
|
||||
mod instance;
|
||||
mod memory;
|
||||
mod module;
|
||||
mod sig_registry;
|
||||
mod table;
|
||||
mod recovery;
|
||||
mod sighandler;
|
||||
mod mmap;
|
||||
pub mod mmap;
|
||||
pub mod module;
|
||||
pub mod types;
|
||||
pub mod vm;
|
||||
pub mod vmcalls;
|
||||
|
||||
pub use self::backend::{Compiler, FuncResolver};
|
||||
pub use self::instance::{Import, ImportResolver, Imports, Instance};
|
||||
pub use self::module::Module;
|
||||
pub use self::module::{Module, ModuleInner};
|
||||
pub use self::sig_registry::SigRegistry;
|
||||
pub use self::memory::LinearMemory;
|
||||
|
||||
|
||||
@ -45,7 +45,8 @@ impl Mmap {
|
||||
pub unsafe fn protect(&mut self, range: Range<usize>, protect: Protect) -> Result<(), String> {
|
||||
let page_size = page_size::get();
|
||||
let start = self.ptr.add(round_down_to_page_size(range.start, page_size));
|
||||
let size = range.end - range.start;
|
||||
let size = round_up_to_page_size(range.end - range.start, page_size);
|
||||
assert!(size <= self.size);
|
||||
|
||||
let success = libc::mprotect(start as _, size, protect as i32);
|
||||
if success == -1 {
|
||||
@ -67,7 +68,7 @@ impl Mmap {
|
||||
slice::from_raw_parts_mut(self.ptr, self.size)
|
||||
}
|
||||
|
||||
pub fn as_ptr(&mut self) -> *mut u8 {
|
||||
pub fn as_ptr(&self) -> *mut u8 {
|
||||
self.ptr
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user