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add weak linkage to the ARM AEABI division functions #478

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Merged
Amanieu merged 3 commits into from
Jul 28, 2022
Merged

add weak linkage to the ARM AEABI division functions #478

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3d34329
add weak linkage to the ARM AEABI division functions
Lokathor Jul 22, 2022
ba57ca4
Merge pull request #1 from rust-lang/master
Lokathor Jul 28, 2022
c2a9124
restrict linkage to platforms using ELF binaries
Lokathor Jul 28, 2022
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add weak linkage to the ARM AEABI division functions
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@Lokathor
Lokathor authored Jul 22, 2022
commit 3d3432916aacf4950f4652cbf0e788576e3ed252
4 changes: 4 additions & 0 deletions src/arm.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ intrinsics! {
// custom calling convention which can't be implemented using a normal Rust function.
#[naked]
#[cfg(not(target_env = "msvc"))]
#[linkage = "weak"]
pub unsafe extern "C" fn __aeabi_uidivmod() {
core::arch::asm!(
"push {{lr}}",
Expand All @@ -36,6 +37,7 @@ intrinsics! {
}

#[naked]
#[linkage = "weak"]
pub unsafe extern "C" fn __aeabi_uldivmod() {
core::arch::asm!(
"push {{r4, lr}}",
Expand All @@ -52,6 +54,7 @@ intrinsics! {
}

#[naked]
#[linkage = "weak"]
pub unsafe extern "C" fn __aeabi_idivmod() {
core::arch::asm!(
"push {{r0, r1, r4, lr}}",
Expand All @@ -65,6 +68,7 @@ intrinsics! {
}

#[naked]
#[linkage = "weak"]
pub unsafe extern "C" fn __aeabi_ldivmod() {
core::arch::asm!(
"push {{r4, lr}}",
Expand Down