rustc_target/spec/targets/
aarch64_unknown_linux_musl.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    let mut base = base::linux_musl::opts();
8    base.max_atomic_width = Some(128);
9    base.supports_xray = true;
10    base.features = "+v8a,+outline-atomics".into();
11    base.stack_probes = StackProbeType::Inline;
12    base.supported_sanitizers = SanitizerSet::ADDRESS
13        | SanitizerSet::CFI
14        | SanitizerSet::LEAK
15        | SanitizerSet::MEMORY
16        | SanitizerSet::THREAD;
17
18    // FIXME(compiler-team#422): musl targets should be dynamically linked by default.
19    base.crt_static_default = true;
20
21    Target {
22        llvm_target: "aarch64-unknown-linux-musl".into(),
23        metadata: TargetMetadata {
24            description: Some("ARM64 Linux with musl 1.2.5".into()),
25            tier: Some(2),
26            host_tools: Some(true),
27            std: Some(true),
28        },
29        pointer_width: 64,
30        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(),
31        arch: Arch::AArch64,
32        options: TargetOptions {
33            // Enable the Cortex-A53 errata 843419 mitigation by default
34            pre_link_args: TargetOptions::link_args(
35                LinkerFlavor::Gnu(Cc::Yes, Lld::No),
36                &["-Wl,--fix-cortex-a53-843419"],
37            ),
38            // the AAPCS64 expects use of non-leaf frame pointers per
39            // https://github.com/ARM-software/abi-aa/blob/4492d1570eb70c8fd146623e0db65b2d241f12e7/aapcs64/aapcs64.rst#the-frame-pointer
40            // and we tend to encounter interesting bugs in AArch64 unwinding code if we do not
41            frame_pointer: FramePointer::NonLeaf,
42             mcount: "\u{1}_mcount".into(), ..base
43         },
44    }
45}
rustc_target/spec/targets/aarch64_unknown_linux_musl.rs

rustc_target/spec/targets/
aarch64_unknown_linux_musl.rs
