rustc_target/spec/targets/
aarch64_unknown_linux_gnu.rs

1use crate::spec::{
2    Arch, Cc, FramePointer, LinkerFlavor, Lld, SanitizerSet, StackProbeType, Target,
3    TargetMetadata, TargetOptions, base,
4};
5
6pub(crate) fn target() -> Target {
7    Target {
8        llvm_target: "aarch64-unknown-linux-gnu".into(),
9        metadata: TargetMetadata {
10            description: Some("ARM64 Linux (kernel 4.1, glibc 2.17+)".into()),
11            tier: Some(1),
12            host_tools: Some(true),
13            std: Some(true),
14        },
15        pointer_width: 64,
16        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(),
17        arch: Arch::AArch64,
18        options: TargetOptions {
19            // Enable the Cortex-A53 errata 843419 mitigation by default
20            pre_link_args: TargetOptions::link_args(
21                LinkerFlavor::Gnu(Cc::Yes, Lld::No),
22                &["-Wl,--fix-cortex-a53-843419"],
23            ),
24            features: "+v8a,+outline-atomics".into(),
25            // the AAPCS64 expects use of non-leaf frame pointers per
26            // https://github.com/ARM-software/abi-aa/blob/4492d1570eb70c8fd146623e0db65b2d241f12e7/aapcs64/aapcs64.rst#the-frame-pointer
27            // and we tend to encounter interesting bugs in AArch64 unwinding code if we do not
28            frame_pointer: FramePointer::NonLeaf,
29            mcount: "\u{1}_mcount".into(),
30            max_atomic_width: Some(128),
31            stack_probes: StackProbeType::Inline,
32            supported_sanitizers: SanitizerSet::ADDRESS
33                | SanitizerSet::CFI
34                | SanitizerSet::KCFI
35                | SanitizerSet::LEAK
36                | SanitizerSet::MEMORY
37                | SanitizerSet::MEMTAG
38                | SanitizerSet::THREAD
39                | SanitizerSet::HWADDRESS
40                | SanitizerSet::REALTIME,
41            supports_xray: true,
42            ..base::linux_gnu::opts()
43        },
44    }
45}
rustc_target/spec/targets/aarch64_unknown_linux_gnu.rs

rustc_target/spec/targets/
aarch64_unknown_linux_gnu.rs
