fb7153ccf4
The biggest change is the split from FunctionIndex to DefinedFuncIndex to FuncIndex. Take better advantage of this by converting several Vecs to PrimaryMaps. Also, table_addr can now handle indices of the table index type, so we don't need to explicitly uextend them anymore.
38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
use cranelift_codegen::settings;
|
|
use cranelift_codegen::settings::Configurable;
|
|
use cranelift_entity::EntityRef;
|
|
use faerie::Artifact;
|
|
use wasmtime_environ::{Compilation, Module, Relocations};
|
|
|
|
/// Emits a module that has been emitted with the `wasmtime-environ` environment
|
|
/// implementation to a native object file.
|
|
pub fn emit_module(
|
|
obj: &mut Artifact,
|
|
module: &Module,
|
|
compilation: &Compilation,
|
|
relocations: &Relocations,
|
|
) -> Result<(), String> {
|
|
debug_assert!(
|
|
module.start_func.is_none()
|
|
|| module.start_func.unwrap().index() >= module.imported_funcs.len(),
|
|
"imported start functions not supported yet"
|
|
);
|
|
|
|
let mut shared_builder = settings::builder();
|
|
shared_builder
|
|
.enable("enable_verifier")
|
|
.expect("Missing enable_verifier setting");
|
|
|
|
for (i, function_relocs) in relocations.iter() {
|
|
assert!(function_relocs.is_empty(), "relocations not supported yet");
|
|
let body = &compilation.functions[i];
|
|
let func_index = module.func_index(i);
|
|
let string_name = format!("wasm_function[{}]", func_index.index());
|
|
|
|
obj.define(string_name, body.clone())
|
|
.map_err(|err| format!("{}", err))?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|