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Code Issues Projects Releases Wiki Activity

Add caching. (#134)

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* Allow a module to have a different signature registry than the process-specific

* Add core ability to build compiled code caches

* Remove timing printouts

* Serialize/Deserialize memories to reduce copies

* Work more on api

* Relocate local functions relatively before external functions

* Fix incorrect definition in test

* merge errors caused by merge

* Fix emscripten compile

* Fix review comments
This commit is contained in:
Lachlan Sneff
2019-02-06 16:26:45 -08:00
committed by GitHub
parent 2f2f86a4de
commit 8fe9b7eac2
34 changed files with 1768 additions and 291 deletions
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22
lib/runtime-core/src/backend.rs
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@ -6,6 +6,12 @@ use crate::{
types::{FuncIndex, LocalFuncIndex, Value},
vm,
};
#[cfg(feature = "cache")]
use crate::{
cache::{Cache, Error as CacheError},
module::ModuleInfo,
sys::Memory,
};
use std::ptr::NonNull;
pub mod sys {
@ -13,6 +19,12 @@ pub mod sys {
}
pub use crate::sig_registry::SigRegistry;
#[cfg_attr(feature = "cache", derive(Serialize, Deserialize))]
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum Backend {
Cranelift,
}
/// This type cannot be constructed from
/// outside the runtime crate.
pub struct Token {
@ -30,6 +42,16 @@ pub trait Compiler {
/// The `CompileToken` parameter ensures that this can only
/// be called from inside the runtime.
fn compile(&self, wasm: &[u8], _: Token) -> CompileResult<ModuleInner>;
#[cfg(feature = "cache")]
unsafe fn from_cache(&self, cache: Cache, _: Token) -> Result<ModuleInner, CacheError>;
#[cfg(feature = "cache")]
fn compile_to_backend_cache_data(
&self,
wasm: &[u8],
_: Token,
) -> CompileResult<(Box<ModuleInfo>, Vec<u8>, Memory)>;
}
/// The functionality exposed by this trait is expected to be used