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Cleanup manged-names macro

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Don't generate the whole function if we are not going to use `no_mangle`, there is no point
This commit is contained in:
Amjad Alsharafi 2024-05-02 22:00:29 +08:00 • committed by Amanieu d'Antras
parent e232a79146
commit ce8a0c346d
1 changed files with 25 additions and 22 deletions
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47
library/compiler-builtins/src/macros.rs
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@ -250,11 +250,11 @@ macro_rules! intrinsics {
$($body)*
}
#[cfg(all(any(windows, target_os = "uefi"), target_arch = "x86_64"))]
pub mod $name {
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[cfg(all(any(windows, target_os = "uefi"), target_arch = "x86_64", not(feature = "mangled-names")))]
mod $name {
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor = "apple")), linkage = "weak")]
pub extern $abi fn $name( $($argname: $ty),* )
extern $abi fn $name( $($argname: $ty),* )
-> $crate::macros::win64_128bit_abi_hack::U64x2
{
let e: $($ret)? = super::$name($($argname),*);
@ -291,20 +291,20 @@ macro_rules! intrinsics {
$($body)*
}
#[cfg(target_arch = "arm")]
pub mod $name {
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[cfg(all(target_arch = "arm", not(feature = "mangled-names")))]
mod $name {
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor = "apple")), linkage = "weak")]
pub extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
super::$name($($argname),*)
}
}
#[cfg(target_arch = "arm")]
pub mod $alias {
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[cfg(all(target_arch = "arm", not(feature = "mangled-names")))]
mod $alias {
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor="apple")), linkage = "weak")]
pub extern "aapcs" fn $alias( $($argname: $ty),* ) $(-> $ret)? {
extern "aapcs" fn $alias( $($argname: $ty),* ) $(-> $ret)? {
super::$name($($argname),*)
}
}
@ -335,12 +335,12 @@ macro_rules! intrinsics {
$($body)*
}
#[cfg(feature = "mem")]
pub mod $name {
#[cfg(all(feature = "mem", not(feature = "mangled-names")))]
mod $name {
$(#[$($attr)*])*
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor = "apple")), linkage = "weak")]
pub unsafe extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
unsafe extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
super::$name($($argname),*)
}
}
@ -359,6 +359,7 @@ macro_rules! intrinsics {
$($rest:tt)*
) => (
// `#[naked]` definitions are referenced by other places, so we can't use `cfg` like the others
pub mod $name {
#[naked]
$(#[$($attr)*])*
@ -426,11 +427,12 @@ macro_rules! intrinsics {
$($body)*
}
pub mod $name {
#[cfg(not(feature = "mangled-names"))]
mod $name {
$(#[$($attr)*])*
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor = "apple")), linkage = "weak")]
pub extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
super::$name($($argname),*)
}
}
@ -452,11 +454,12 @@ macro_rules! intrinsics {
$($body)*
}
pub mod $name {
#[cfg(not(feature = "mangled-names"))]
mod $name {
$(#[$($attr)*])*
#[cfg_attr(not(feature = "mangled-names"), no_mangle)]
#[no_mangle]
#[cfg_attr(all(not(windows), not(target_vendor = "apple")), linkage = "weak")]
pub unsafe extern $abi fn $name( $($argname: $ty),* ) $(-> $ret)? {
unsafe fn $name( $($argname: $ty),* ) $(-> $ret)? {
super::$name($($argname),*)
}
}