1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 use spec::{LinkerFlavor, Target, TargetResult};
13 pub fn target() -> TargetResult {
14 let mut base = super::linux_base::opts();
15 base.cpu = "x86-64".to_string();
16 base.max_atomic_width = Some(64);
17 base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mx32".to_string());
18 base.stack_probes = true;
19 base.has_elf_tls = false;
20 // BUG(GabrielMajeri): disabling the PLT on x86_64 Linux with x32 ABI
21 // breaks code gen. See LLVM bug 36743
22 base.needs_plt = true;
25 llvm_target: "x86_64-unknown-linux-gnux32".to_string(),
26 target_endian: "little".to_string(),
27 target_pointer_width: "32".to_string(),
28 target_c_int_width: "32".to_string(),
29 data_layout: "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128".to_string(),
30 arch: "x86_64".to_string(),
31 target_os: "linux".to_string(),
32 target_env: "gnu".to_string(),
33 target_vendor: "unknown".to_string(),
34 linker_flavor: LinkerFlavor::Gcc,