Files
wasmtime/wasmtime-obj/src/data_segment.rs
2019-03-27 02:24:51 -07:00

27 lines
723 B
Rust

use faerie::{Artifact, Decl};
use wasmtime_environ::DataInitializer;
/// Declares data segment symbol
pub fn declare_data_segment(
obj: &mut Artifact,
_data_initaliazer: &DataInitializer,
index: usize,
) -> Result<(), String> {
let name = format!("_memory_{}", index);
obj.declare(name, Decl::data())
.map_err(|err| format!("{}", err))?;
Ok(())
}
/// Emit segment data and initialization location
pub fn emit_data_segment(
obj: &mut Artifact,
data_initaliazer: &DataInitializer,
index: usize,
) -> Result<(), String> {
let name = format!("_memory_{}", index);
obj.define(name, Vec::from(data_initaliazer.data))
.map_err(|err| format!("{}", err))?;
Ok(())
}