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Merge #703

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703: Fix compilation on AArch64 Linux. r=losfair a=losfair

This only fixes compilation. Cranelift still reports many `not yet implemented` on AArch64.

Co-authored-by: losfair <zhy20000919@hotmail.com>
This commit is contained in:
bors[bot]
2019-08-21 17:51:48 +00:00
committed by GitHub
parent 15913a946f 3f0dae3329
commit 31365510ed
9 changed files with 36 additions and 27 deletions
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9
lib/clif-backend/src/libcalls.rs
View File

@@ -76,8 +76,7 @@ pub extern "C" fn nearbyintf64(x: f64) -> f64 {
}
}
/// A declaration for the stack probe function in Rust's standard library, for
/// catching callstack overflow.
extern "C" {
pub fn __rust_probestack();
}
// FIXME: Is there a replacement on AArch64?
#[cfg(all(target_os = "linux", target_arch = "aarch64"))]
#[no_mangle]
pub extern "C" fn __rust_probestack() {}

9
lib/clif-backend/src/signal/unix.rs
View File

@@ -138,6 +138,14 @@ pub unsafe fn do_unwind(signum: i32, siginfo: *const c_void, ucontext: *const c_
longjmp(jmp_buf as *mut ::nix::libc::c_void, signum)
}
#[cfg(all(target_os = "linux", target_arch = "aarch64"))]
unsafe fn get_faulting_addr_and_ip(
_siginfo: *const c_void,
_ucontext: *const c_void,
) -> (*const c_void, *const c_void) {
(::std::ptr::null(), ::std::ptr::null())
}
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
unsafe fn get_faulting_addr_and_ip(
siginfo: *const c_void,
@@ -230,5 +238,6 @@ unsafe fn get_faulting_addr_and_ip(
#[cfg(not(any(
all(target_os = "macos", target_arch = "x86_64"),
all(target_os = "linux", target_arch = "x86_64"),
all(target_os = "linux", target_arch = "aarch64"),
)))]
compile_error!("This crate doesn't yet support compiling on operating systems other than linux and macos and architectures other than x86_64");