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get pc for freebsd (#2270)

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* get pc for freebsd

* whitespace :|

* fix; i386 to x86

* remove x86 since uc_mcontext isn't yet in libc

* freebsd build of rust uses libcc/unwind
This commit is contained in:
subtly
2020-10-07 06:30:14 -05:00
committed by GitHub
parent 84ac3feef8
commit d91f0c3933
2 changed files with 6 additions and 3 deletions
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5
crates/runtime/src/traphandlers.rs
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@@ -73,7 +73,7 @@ cfg_if::cfg_if! {
// On ARM, handle Unaligned Accesses.
// On Darwin, guard page accesses are raised as SIGBUS.
if cfg!(target_arch = "arm") || cfg!(target_os = "macos") {
if cfg!(target_arch = "arm") || cfg!(target_os = "macos") || cfg!(target_os = "freebsd") {
register(&mut PREV_SIGBUS, libc::SIGBUS);
}
}
@@ -167,6 +167,9 @@ cfg_if::cfg_if! {
} else if #[cfg(target_os = "macos")] {
let cx = &*(cx as *const libc::ucontext_t);
(*cx.uc_mcontext).__ss.__rip as *const u8
} else if #[cfg(all(target_os = "freebsd", target_arch = "x86_64"))] {
let cx = &*(cx as *const libc::ucontext_t);
cx.uc_mcontext.mc_rip as *const u8
} else {
compile_error!("unsupported platform");
}