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feat(runtime) Get ready for tiering (#257)

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* Add local_function field to context

* Add local call indirection to llvm

* local call indirection

* Fix  vm test

* Fix cranelift local call indirection

* Fix unwinding on nightly
This commit is contained in:
Lachlan Sneff
2019-03-08 15:15:16 -08:00
committed by GitHub
parent a8751b6bbc
commit 17eada53f3
11 changed files with 118 additions and 11 deletions
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20
lib/runtime-core/src/backing.rs
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@ -10,8 +10,8 @@ use crate::{
table::Table,
types::{
ImportedFuncIndex, ImportedGlobalIndex, ImportedMemoryIndex, ImportedTableIndex,
Initializer, LocalGlobalIndex, LocalMemoryIndex, LocalOrImport, LocalTableIndex, SigIndex,
Value,
Initializer, LocalFuncIndex, LocalGlobalIndex, LocalMemoryIndex, LocalOrImport,
LocalTableIndex, SigIndex, Value,
},
vm,
};
@ -28,6 +28,7 @@ pub struct LocalBacking {
pub(crate) vm_globals: BoxedMap<LocalGlobalIndex, *mut vm::LocalGlobal>,
pub(crate) dynamic_sigindices: BoxedMap<SigIndex, vm::SigId>,
pub(crate) local_functions: BoxedMap<LocalFuncIndex, *const vm::Func>,
}
// impl LocalBacking {
@ -51,6 +52,7 @@ impl LocalBacking {
let vm_globals = Self::finalize_globals(&mut globals);
let dynamic_sigindices = Self::generate_sigindices(&module.info);
let local_functions = Self::generate_local_functions(module);
Self {
memories,
@ -62,9 +64,23 @@ impl LocalBacking {
vm_globals,
dynamic_sigindices,
local_functions,
}
}
fn generate_local_functions(module: &ModuleInner) -> BoxedMap<LocalFuncIndex, *const vm::Func> {
(0..module.info.func_assoc.len() - module.info.imported_functions.len())
.map(|index| {
module
.func_resolver
.get(module, LocalFuncIndex::new(index))
.unwrap()
.as_ptr() as *const _
})
.collect::<Map<_, _>>()
.into_boxed_map()
}
fn generate_sigindices(info: &ModuleInfo) -> BoxedMap<SigIndex, vm::SigId> {
info.signatures
.iter()