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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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14
lib/runtime-core/src/vm.rs
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@ -40,6 +40,8 @@ pub struct Ctx {
/// modules safely.
pub(crate) dynamic_sigindices: *const SigId,
pub(crate) local_functions: *const *const Func,
local_backing: *mut LocalBacking,
import_backing: *mut ImportBacking,
module: *const ModuleInner,
@ -66,6 +68,7 @@ impl Ctx {
imported_funcs: import_backing.vm_functions.as_mut_ptr(),
dynamic_sigindices: local_backing.dynamic_sigindices.as_ptr(),
local_functions: local_backing.local_functions.as_ptr(),
local_backing,
import_backing,
@ -95,6 +98,7 @@ impl Ctx {
imported_funcs: import_backing.vm_functions.as_mut_ptr(),
dynamic_sigindices: local_backing.dynamic_sigindices.as_ptr(),
local_functions: local_backing.local_functions.as_ptr(),
local_backing,
import_backing,
@ -173,6 +177,10 @@ impl Ctx {
pub fn offset_signatures() -> u8 {
7 * (mem::size_of::<usize>() as u8)
}
pub fn offset_local_functions() -> u8 {
8 * (mem::size_of::<usize>() as u8)
}
}
enum InnerFunc {}
@ -363,6 +371,11 @@ mod vm_offset_tests {
Ctx::offset_imported_funcs() as usize,
offset_of!(Ctx => imported_funcs).get_byte_offset(),
);
assert_eq!(
Ctx::offset_local_functions() as usize,
offset_of!(Ctx => local_functions).get_byte_offset(),
);
}
#[test]
@ -470,6 +483,7 @@ mod vm_ctx_tests {
vm_globals: Map::new().into_boxed_map(),
dynamic_sigindices: Map::new().into_boxed_map(),
local_functions: Map::new().into_boxed_map(),
};
let mut import_backing = ImportBacking {
memories: Map::new().into_boxed_map(),