| use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult, PanicStrategy}; |
| |
| pub fn target() -> TargetResult { |
| let mut base = super::windows_msvc_base::opts(); |
| |
| // Prevent error LNK2013: BRANCH24(T) fixup overflow |
| // The LBR optimization tries to eliminate branch islands, |
| // but if the displacement is larger than can fit |
| // in the instruction, this error will occur. The linker |
| // should be smart enough to insert branch islands only |
| // where necessary, but this is not the observed behavior. |
| // Disabling the LBR optimization works around the issue. |
| base.pre_link_args.get_mut(&LinkerFlavor::Msvc).unwrap().push( |
| "/OPT:NOLBR".to_string()); |
| |
| // FIXME(jordanrh): use PanicStrategy::Unwind when SEH is |
| // implemented for windows/arm in LLVM |
| base.panic_strategy = PanicStrategy::Abort; |
| |
| Ok(Target { |
| llvm_target: "thumbv7a-pc-windows-msvc".to_string(), |
| target_endian: "little".to_string(), |
| target_pointer_width: "32".to_string(), |
| target_c_int_width: "32".to_string(), |
| data_layout: "e-m:w-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(), |
| arch: "arm".to_string(), |
| target_os: "windows".to_string(), |
| target_env: "msvc".to_string(), |
| target_vendor: "pc".to_string(), |
| linker_flavor: LinkerFlavor::Msvc, |
| |
| options: TargetOptions { |
| features: "+vfp3,+neon".to_string(), |
| cpu: "generic".to_string(), |
| max_atomic_width: Some(64), |
| abi_blacklist: super::arm_base::abi_blacklist(), |
| .. base |
| } |
| }) |
| } |