85 lines
2.1 KiB
Rust
85 lines
2.1 KiB
Rust
//! This crate generates Rust sources for use by
|
|
//! [`cranelift_codegen`](../cranelift_codegen/index.html).
|
|
#[macro_use]
|
|
mod cdsl;
|
|
mod srcgen;
|
|
|
|
pub mod error;
|
|
pub mod isa;
|
|
|
|
mod gen_binemit;
|
|
mod gen_encodings;
|
|
mod gen_inst;
|
|
mod gen_legalizer;
|
|
mod gen_registers;
|
|
mod gen_settings;
|
|
mod gen_types;
|
|
|
|
mod default_map;
|
|
mod shared;
|
|
mod unique_table;
|
|
|
|
/// Generate an ISA from an architecture string (e.g. "x86_64").
|
|
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: &[isa::Isa], out_dir: &str) -> Result<(), error::Error> {
|
|
// Create all the definitions:
|
|
// - common definitions.
|
|
let mut shared_defs = shared::define();
|
|
|
|
gen_settings::generate(
|
|
&shared_defs.settings,
|
|
gen_settings::ParentGroup::None,
|
|
"settings.rs",
|
|
&out_dir,
|
|
)?;
|
|
gen_types::generate("types.rs", &out_dir)?;
|
|
|
|
// - per ISA definitions.
|
|
let isas = isa::define(isas, &mut shared_defs);
|
|
|
|
// At this point, all definitions are done.
|
|
let all_formats = shared_defs.verify_instruction_formats();
|
|
|
|
// Generate all the code.
|
|
gen_inst::generate(
|
|
all_formats,
|
|
&shared_defs.all_instructions,
|
|
"opcodes.rs",
|
|
"inst_builder.rs",
|
|
&out_dir,
|
|
)?;
|
|
|
|
gen_legalizer::generate(&isas, &shared_defs.transform_groups, "legalize", &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!("settings-{}.rs", isa.name),
|
|
&out_dir,
|
|
)?;
|
|
|
|
gen_encodings::generate(
|
|
&shared_defs,
|
|
&isa,
|
|
&format!("encoding-{}.rs", isa.name),
|
|
&out_dir,
|
|
)?;
|
|
|
|
gen_binemit::generate(
|
|
&isa.name,
|
|
&isa.recipes,
|
|
&format!("binemit-{}.rs", isa.name),
|
|
&out_dir,
|
|
)?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|