| use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult}; |
| |
| // This target is for musl Linux on ARMv7 with thumb mode enabled |
| // (for consistency with Android and Debian-based distributions) |
| // and with NEON unconditionally enabled and, therefore, with 32 FPU |
| // registers enabled as well. See section A2.6.2 on page A2-56 in |
| // https://static.docs.arm.com/ddi0406/cd/DDI0406C_d_armv7ar_arm.pdf |
| |
| pub fn target() -> TargetResult { |
| let base = super::linux_musl_base::opts(); |
| Ok(Target { |
| // It's important we use "gnueabihf" and not "musleabihf" here. LLVM |
| // uses it to determine the calling convention and float ABI, and LLVM |
| // doesn't support the "musleabihf" value. |
| llvm_target: "armv7-unknown-linux-gnueabihf".to_string(), |
| target_endian: "little".to_string(), |
| target_pointer_width: "32".to_string(), |
| target_c_int_width: "32".to_string(), |
| data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(), |
| arch: "arm".to_string(), |
| target_os: "linux".to_string(), |
| target_env: "musl".to_string(), |
| target_vendor: "unknown".to_string(), |
| linker_flavor: LinkerFlavor::Gcc, |
| |
| // Most of these settings are copied from the thumbv7neon_unknown_linux_gnueabihf |
| // target. |
| options: TargetOptions { |
| features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(), |
| cpu: "generic".to_string(), |
| max_atomic_width: Some(64), |
| unsupported_abis: super::arm_base::unsupported_abis(), |
| target_mcount: "\u{1}mcount".to_string(), |
| ..base |
| }, |
| }) |
| } |
