1 use crate::spec::{Target, TargetOptions};
3 // This target is for musl Linux on ARMv7 with thumb mode enabled
4 // (for consistency with Android and Debian-based distributions)
5 // and with NEON unconditionally enabled and, therefore, with 32 FPU
6 // registers enabled as well. See section A2.6.2 on page A2-56 in
7 // https://static.docs.arm.com/ddi0406/cd/DDI0406C_d_armv7ar_arm.pdf
9 pub fn target() -> Target {
10 let base = super::linux_musl_base::opts();
12 // It's important we use "gnueabihf" and not "musleabihf" here. LLVM
13 // uses it to determine the calling convention and float ABI, and LLVM
14 // doesn't support the "musleabihf" value.
15 llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
17 data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
18 arch: "arm".to_string(),
20 // Most of these settings are copied from the thumbv7neon_unknown_linux_gnueabihf
22 options: TargetOptions {
23 features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(),
24 max_atomic_width: Some(64),
25 unsupported_abis: super::arm_base::unsupported_abis(),
26 mcount: "\u{1}mcount".to_string(),