114da83ad6
ExternalName's `to_string()` prepends a '%' for Cretonne's text syntax, but for creating symbol names we just want the raw bytes.
40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
use cretonne::settings;
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use cretonne::settings::Configurable;
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use faerie::Artifact;
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use wasmstandalone_runtime;
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use std::error::Error;
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use std::str;
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/// Emits a module that has been emitted with the `WasmRuntime` runtime
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/// implementation to a native object file.
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pub fn emit_module<'module>(
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obj: &mut Artifact,
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compilation: &wasmstandalone_runtime::Compilation<'module>,
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relocations: &wasmstandalone_runtime::Relocations,
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) -> Result<(), String> {
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debug_assert!(
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compilation.module.start_func.is_none() ||
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compilation.module.start_func.unwrap() >= compilation.module.imported_funcs.len(),
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"imported start functions not supported yet"
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);
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let mut shared_builder = settings::builder();
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shared_builder.enable("enable_verifier").expect(
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"Missing enable_verifier setting",
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);
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for (i, function_relocs) in relocations.iter().enumerate() {
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assert!(function_relocs.is_empty(), "relocations not supported yet");
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let body = &compilation.functions[i];
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let external_name =
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wasmstandalone_runtime::get_func_name(compilation.module.imported_funcs.len() + i);
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let string_name = str::from_utf8(x.as_ref()).map_err(|err| {
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err.description().to_string()
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})?;
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obj.add_code(string_name, body.clone());
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}
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Ok(())
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}
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