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Add some basic partial implementation of Cranelift codegen

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This commit is contained in:
Brandon Fish 2019-05-12 19:16:01 -05:00
parent d9cd4fc3e0
commit 7315cd1100
1 changed files with 29 additions and 16 deletions
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45
lib/clif-backend/src/code.rs
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@ -1,4 +1,5 @@
use crate::signal::Caller;
use std::sync::Arc;
use wasmer_runtime_core::{
backend::{Backend, CacheGen, Token},
cache::{Artifact, Error as CacheError},
@ -9,25 +10,35 @@ use wasmer_runtime_core::{
};
use wasmparser::Type as WpType;
pub struct CraneliftModuleCodeGenerator {}
pub struct CraneliftModuleCodeGenerator {
signatures: Option<Arc<Map<SigIndex, FuncSig>>>,
function_signatures: Option<Arc<Map<FuncIndex, SigIndex>>>,
functions: Vec<CraneliftFunctionCodeGenerator>,
}
impl ModuleCodeGenerator<CraneliftFunctionCodeGenerator, Caller, CodegenError>
for CraneliftModuleCodeGenerator
{
fn new() -> Self {
unimplemented!()
CraneliftModuleCodeGenerator {
functions: vec![],
function_signatures: None,
signatures: None,
}
}
fn backend_id() -> Backend {
unimplemented!()
Backend::Cranelift
}
fn check_precondition(&mut self, _module_info: &ModuleInfo) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn next_function(&mut self) -> Result<&mut CraneliftFunctionCodeGenerator, CodegenError> {
unimplemented!()
let code = CraneliftFunctionCodeGenerator {};
self.functions.push(code);
Ok(self.functions.last_mut().unwrap())
}
fn finalize(
@ -37,19 +48,21 @@ impl ModuleCodeGenerator<CraneliftFunctionCodeGenerator, Caller, CodegenError>
unimplemented!()
}
fn feed_signatures(&mut self, _signatures: Map<SigIndex, FuncSig>) -> Result<(), CodegenError> {
unimplemented!()
fn feed_signatures(&mut self, signatures: Map<SigIndex, FuncSig>) -> Result<(), CodegenError> {
self.signatures = Some(Arc::new(signatures));
Ok(())
}
fn feed_function_signatures(
&mut self,
_assoc: Map<FuncIndex, SigIndex>,
assoc: Map<FuncIndex, SigIndex>,
) -> Result<(), CodegenError> {
unimplemented!()
self.function_signatures = Some(Arc::new(assoc));
Ok(())
}
fn feed_import_function(&mut self) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
unsafe fn from_cache(_cache: Artifact, _: Token) -> Result<ModuleInner, CacheError> {
@ -61,27 +74,27 @@ pub struct CraneliftFunctionCodeGenerator {}
impl FunctionCodeGenerator<CodegenError> for CraneliftFunctionCodeGenerator {
fn feed_return(&mut self, _ty: WpType) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn feed_param(&mut self, _ty: WpType) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn feed_local(&mut self, _ty: WpType, _n: usize) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn begin_body(&mut self, _module_info: &ModuleInfo) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn feed_event(&mut self, _op: Event, _module_info: &ModuleInfo) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
fn finalize(&mut self) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
}