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rustc_target/spec/targets/
aarch64_be_unknown_none_softfloat.rs

1// Generic big-endian AArch64 target for bare-metal code - Floating point disabled
2//
3// Can be used in conjunction with the `target-feature` and
4// `target-cpu` compiler flags to opt-in more hardware-specific
5// features.
6//
7// For example, `-C target-cpu=cortex-a53`.
8use rustc_abi::Endian;
9
10use crate::spec::{
11    Abi, Arch, Cc, LinkerFlavor, Lld, PanicStrategy, RelocModel, RustcAbi, SanitizerSet,
12    StackProbeType, Target, TargetMetadata, TargetOptions,
13};
14
15pub(crate) fn target() -> Target {
16    let opts = TargetOptions {
17        abi: Abi::SoftFloat,
18        rustc_abi: Some(RustcAbi::Softfloat),
19        linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
20        linker: Some("rust-lld".into()),
21        features: "+v8a,+strict-align,-neon".into(),
22        relocation_model: RelocModel::Static,
23        disable_redzone: true,
24        max_atomic_width: Some(128),
25        supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS,
26        stack_probes: StackProbeType::Inline,
27        panic_strategy: PanicStrategy::Abort,
28        endian: Endian::Big,
29        ..Default::default()
30    };
31    Target {
32        llvm_target: "aarch64_be-unknown-none".into(),
33        metadata: TargetMetadata {
34            description: Some("Bare ARM64 (big-endian), softfloat".into()),
35            tier: Some(3),
36            host_tools: Some(false),
37            std: Some(false),
38        },
39        pointer_width: 64,
40        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(),
41        arch: Arch::AArch64,
42        options: opts,
43    }
44}