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Explicitly look for 'thumb-mode' before using __fastfail on 'arm'

This commit is contained in:
Ryan Levick 2020-08-29 12:30:49 +02:00
parent 9e2228d2d0
commit d931e97402
2 changed files with 2 additions and 2 deletions
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2
library/panic_abort/src/lib.rs
View File

@ -63,7 +63,7 @@ pub unsafe extern "C" fn __rust_start_panic(_payload: usize) -> u32 {
cfg_if::cfg_if! {
if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
asm!("int $$0x29", in("ecx") FAST_FAIL_FATAL_APP_EXIT);
} else if #[cfg(target_arch = "arm")] {
} else if #[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))] {
asm!(".inst 0xDEFB", in("r0") FAST_FAIL_FATAL_APP_EXIT);
} else if #[cfg(target_arch = "aarch64")] {
asm!("brk 0xF003", in("x0") FAST_FAIL_FATAL_APP_EXIT);

2
library/std/src/sys/windows/mod.rs
View File

@ -312,7 +312,7 @@ pub fn abort_internal() -> ! {
if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
asm!("int $$0x29", in("ecx") FAST_FAIL_FATAL_APP_EXIT);
crate::intrinsics::unreachable();
} else if #[cfg(target_arch = "arm")] {
} else if #[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))] {
asm!(".inst 0xDEFB", in("r0") FAST_FAIL_FATAL_APP_EXIT);
crate::intrinsics::unreachable();
} else if #[cfg(target_arch = "aarch64")] {