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mirror of https://github.com/fluencelabs/wasmer synced 2025-07-17 08:51:54 +00:00

Finished middleware impl and made a CallTrace middleware

This commit is contained in:
losfair
2019-04-27 16:31:47 +08:00
parent eca8ccdbd4
commit 2262c8a6da
11 changed files with 266 additions and 109 deletions

@@ -1,30 +1,33 @@
use crate::{
backend::RunnableModule,
structures::Map,
types::{FuncIndex, FuncSig, SigIndex},
backend::{sys::Memory, Backend, CacheGen, Compiler, CompilerConfig, Token},
cache::{Artifact, Error as CacheError},
error::{CompileError, CompileResult},
module::{ModuleInfo, ModuleInner},
parse::LoadError,
structures::Map,
types::{FuncIndex, FuncSig, SigIndex},
};
use wasmparser::{Operator, Type as WpType};
use std::fmt::Debug;
use smallvec::SmallVec;
use std::fmt::Debug;
use std::marker::PhantomData;
use wasmparser::{Operator, Type as WpType};
pub enum Event<'a, 'b> {
Internal(InternalEvent),
Wasm(&'b Operator<'a>),
}
#[derive(Copy, Clone, Debug)]
pub enum InternalEvent {
FunctionBegin,
FunctionBegin(u32),
FunctionEnd,
Trace,
Bkpt(Box<Fn(BkptInfo) + Send + Sync + 'static>),
SetInternal(u32),
GetInternal(u32),
}
pub struct BkptInfo {}
pub trait ModuleCodeGenerator<FCG: FunctionCodeGenerator<E>, RM: RunnableModule, E: Debug> {
fn new() -> Self;
fn backend_id() -> Backend;
@@ -36,10 +39,7 @@ pub trait ModuleCodeGenerator<FCG: FunctionCodeGenerator<E>, RM: RunnableModule,
fn feed_signatures(&mut self, signatures: Map<SigIndex, FuncSig>) -> Result<(), E>;
/// Sets function signatures.
fn feed_function_signatures(
&mut self,
assoc: Map<FuncIndex, SigIndex>,
) -> Result<(), E>;
fn feed_function_signatures(&mut self, assoc: Map<FuncIndex, SigIndex>) -> Result<(), E>;
/// Adds an import function.
fn feed_import_function(&mut self) -> Result<(), E>;
@@ -72,23 +72,25 @@ pub struct SimpleStreamingCompilerGen<
}
impl<
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
> SimpleStreamingCompilerGen<MCG, FCG, RM, E> {
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
> SimpleStreamingCompilerGen<MCG, FCG, RM, E>
{
pub fn new() -> StreamingCompiler<MCG, FCG, RM, E, impl Fn() -> MiddlewareChain> {
StreamingCompiler::new(|| MiddlewareChain::new())
}
}
impl<
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
CGEN: Fn() -> MiddlewareChain,
> StreamingCompiler<MCG, FCG, RM, E, CGEN> {
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
CGEN: Fn() -> MiddlewareChain,
> StreamingCompiler<MCG, FCG, RM, E, CGEN>
{
pub fn new(chain_gen: CGEN) -> Self {
Self {
middleware_chain_generator: chain_gen,
@@ -101,12 +103,13 @@ impl<
}
impl<
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
CGEN: Fn() -> MiddlewareChain,
>Compiler for StreamingCompiler<MCG, FCG, RM, E, CGEN> {
MCG: ModuleCodeGenerator<FCG, RM, E>,
FCG: FunctionCodeGenerator<E>,
RM: RunnableModule + 'static,
E: Debug,
CGEN: Fn() -> MiddlewareChain,
> Compiler for StreamingCompiler<MCG, FCG, RM, E, CGEN>
{
fn compile(
&self,
wasm: &[u8],
@@ -124,10 +127,18 @@ impl<
let mut mcg = MCG::new();
let mut chain = (self.middleware_chain_generator)();
let info = crate::parse::read_module(wasm, MCG::backend_id(), &mut mcg, &mut chain, &compiler_config)?;
let exec_context = mcg.finalize(&info).map_err(|x| CompileError::InternalError {
msg: format!("{:?}", x),
})?;
let info = crate::parse::read_module(
wasm,
MCG::backend_id(),
&mut mcg,
&mut chain,
&compiler_config,
)?;
let exec_context = mcg
.finalize(&info)
.map_err(|x| CompileError::InternalError {
msg: format!("{:?}", x),
})?;
Ok(ModuleInner {
cache_gen: Box::new(Placeholder),
runnable_module: Box::new(exec_context),
@@ -143,7 +154,7 @@ impl<
}
pub struct EventSink<'a, 'b> {
buffer: SmallVec<[Event<'a, 'b>; 2]>
buffer: SmallVec<[Event<'a, 'b>; 2]>,
}
impl<'a, 'b> EventSink<'a, 'b> {
@@ -158,16 +169,19 @@ pub struct MiddlewareChain {
impl MiddlewareChain {
pub fn new() -> MiddlewareChain {
MiddlewareChain {
chain: vec! [],
}
MiddlewareChain { chain: vec![] }
}
pub fn push<M: FunctionMiddleware + 'static>(&mut self, m: M) {
self.chain.push(Box::new(m));
}
pub(crate) fn run<E: Debug, FCG: FunctionCodeGenerator<E>>(&mut self, fcg: Option<&mut FCG>, ev: Event, module_info: &ModuleInfo) -> Result<(), String> {
pub(crate) fn run<E: Debug, FCG: FunctionCodeGenerator<E>>(
&mut self,
fcg: Option<&mut FCG>,
ev: Event,
module_info: &ModuleInfo,
) -> Result<(), String> {
let mut sink = EventSink {
buffer: SmallVec::new(),
};
@@ -180,7 +194,8 @@ impl MiddlewareChain {
}
if let Some(fcg) = fcg {
for ev in sink.buffer {
fcg.feed_event(ev, module_info).map_err(|x| format!("{:?}", x))?;
fcg.feed_event(ev, module_info)
.map_err(|x| format!("{:?}", x))?;
}
}
@@ -190,31 +205,32 @@ impl MiddlewareChain {
pub trait FunctionMiddleware {
type Error: Debug;
fn feed_event(
fn feed_event<'a, 'b: 'a>(
&mut self,
op: Event,
op: Event<'a, 'b>,
module_info: &ModuleInfo,
sink: &mut EventSink,
sink: &mut EventSink<'a, 'b>,
) -> Result<(), Self::Error>;
}
pub(crate) trait GenericFunctionMiddleware {
fn feed_event(
fn feed_event<'a, 'b: 'a>(
&mut self,
op: Event,
op: Event<'a, 'b>,
module_info: &ModuleInfo,
sink: &mut EventSink,
sink: &mut EventSink<'a, 'b>,
) -> Result<(), String>;
}
impl<E: Debug, T: FunctionMiddleware<Error = E>> GenericFunctionMiddleware for T {
fn feed_event(
fn feed_event<'a, 'b: 'a>(
&mut self,
op: Event,
op: Event<'a, 'b>,
module_info: &ModuleInfo,
sink: &mut EventSink,
sink: &mut EventSink<'a, 'b>,
) -> Result<(), String> {
<Self as FunctionMiddleware>::feed_event(self, op, module_info, sink).map_err(|x| format!("{:?}", x))
<Self as FunctionMiddleware>::feed_event(self, op, module_info, sink)
.map_err(|x| format!("{:?}", x))
}
}