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macro_rules! builtin_functions {
($register:ident; $(fn $name:ident($($arg_name:ident: $arg_ty:ty),*) -> $ret_ty:ty;)*) => {
#[cfg(feature = "jit")]
#[allow(improper_ctypes)]
extern "C" {
$(fn $name($($arg_name: $arg_ty),*) -> $ret_ty;)*
}
#[cfg(feature = "jit")]
pub(crate) fn $register(builder: &mut cranelift_jit::JITBuilder) {
for (name, val) in [$((stringify!($name), $name as *const u8)),*] {
builder.symbol(name, val);
}
}
};
}
builtin_functions! {
register_functions_for_jit;
// integers
fn __multi3(a: i128, b: i128) -> i128;
fn __udivti3(n: u128, d: u128) -> u128;
fn __divti3(n: i128, d: i128) -> i128;
fn __umodti3(n: u128, d: u128) -> u128;
fn __modti3(n: i128, d: i128) -> i128;
fn __rust_u128_addo(a: u128, b: u128) -> (u128, bool);
fn __rust_i128_addo(a: i128, b: i128) -> (i128, bool);
fn __rust_u128_subo(a: u128, b: u128) -> (u128, bool);
fn __rust_i128_subo(a: i128, b: i128) -> (i128, bool);
fn __rust_u128_mulo(a: u128, b: u128) -> (u128, bool);
fn __rust_i128_mulo(a: i128, b: i128) -> (i128, bool);
// floats
fn __floattisf(i: i128) -> f32;
fn __floattidf(i: i128) -> f64;
fn __floatuntisf(i: u128) -> f32;
fn __floatuntidf(i: u128) -> f64;
fn __fixsfti(f: f32) -> i128;
fn __fixdfti(f: f64) -> i128;
fn __fixunssfti(f: f32) -> u128;
fn __fixunsdfti(f: f64) -> u128;
}
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