Files
wasmtime/cranelift/codegen/meta/src/lib.rs

60 lines
1.5 KiB
Rust

#[macro_use]
mod cdsl;
mod srcgen;
pub mod error;
pub mod isa;
mod gen_inst;
mod gen_registers;
mod gen_settings;
mod gen_types;
mod constant_hash;
mod shared;
mod unique_table;
pub fn isa_from_arch(arch: &str) -> Result<isa::Isa, String> {
isa::Isa::from_arch(arch).ok_or_else(|| format!("no supported isa found for arch `{}`", arch))
}
/// Generates all the Rust source files used in Cranelift from the meta-language.
pub fn generate(isas: &Vec<isa::Isa>, out_dir: &str) -> Result<(), error::Error> {
// Common definitions.
let mut shared_defs = shared::define();
gen_settings::generate(
&shared_defs.settings,
gen_settings::ParentGroup::None,
"new_settings.rs",
&out_dir,
)?;
gen_types::generate("types.rs", &out_dir)?;
// Per ISA definitions.
let isas = isa::define(isas, &mut shared_defs);
let mut all_inst_groups = vec![&shared_defs.instructions];
all_inst_groups.extend(isas.iter().map(|isa| &isa.instructions));
gen_inst::generate(
all_inst_groups,
&shared_defs.format_registry,
"new_opcodes.rs",
"new_inst_builder.rs",
&out_dir,
)?;
for isa in isas {
gen_registers::generate(&isa, &format!("registers-{}.rs", isa.name), &out_dir)?;
gen_settings::generate(
&isa.settings,
gen_settings::ParentGroup::Shared,
&format!("new_settings-{}", isa.name),
&out_dir,
)?;
}
Ok(())
}