diff --git a/mk/cfg/x86_64-unknown-redox.mk b/mk/cfg/x86_64-unknown-redox.mk new file mode 100644 index 0000000000000..34aee77ae2107 --- /dev/null +++ b/mk/cfg/x86_64-unknown-redox.mk @@ -0,0 +1 @@ +# rustbuild-only target diff --git a/src/librustc_back/target/mod.rs b/src/librustc_back/target/mod.rs index 351d469ea2809..4dec2ab7d5460 100644 --- a/src/librustc_back/target/mod.rs +++ b/src/librustc_back/target/mod.rs @@ -69,6 +69,7 @@ mod windows_base; mod windows_msvc_base; mod thumb_base; mod fuchsia_base; +mod redox_base; pub type TargetResult = Result; @@ -184,6 +185,8 @@ supported_targets! { ("aarch64-unknown-fuchsia", aarch64_unknown_fuchsia), ("x86_64-unknown-fuchsia", x86_64_unknown_fuchsia), + ("x86_64-unknown-redox", x86_64_unknown_redox), + ("i386-apple-ios", i386_apple_ios), ("x86_64-apple-ios", x86_64_apple_ios), ("aarch64-apple-ios", aarch64_apple_ios), diff --git a/src/librustc_back/target/redox_base.rs b/src/librustc_back/target/redox_base.rs new file mode 100644 index 0000000000000..a04ec81e973ba --- /dev/null +++ b/src/librustc_back/target/redox_base.rs @@ -0,0 +1,49 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use PanicStrategy; +use target::TargetOptions; +use std::default::Default; + +pub fn opts() -> TargetOptions { + TargetOptions { + pre_link_args: vec![ + // We want to be able to strip as much executable code as possible + // from the linker command line, and this flag indicates to the + // linker that it can avoid linking in dynamic libraries that don't + // actually satisfy any symbols up to that point (as with many other + // resolutions the linker does). This option only applies to all + // following libraries so we're sure to pass it as one of the first + // arguments. + "-Wl,--as-needed".to_string(), + + // Always enable NX protection when it is available + "-Wl,-z,noexecstack".to_string(), + + // Do not link libc + "-nostdlib".to_string(), + + // Static link + "-static".to_string() + ], + executables: true, + relocation_model: "static".to_string(), + disable_redzone: true, + eliminate_frame_pointer: false, + target_family: Some("redox".to_string()), + linker_is_gnu: true, + no_default_libraries: true, + lib_allocation_crate: "alloc_system".to_string(), + exe_allocation_crate: "alloc_system".to_string(), + has_elf_tls: true, + panic_strategy: PanicStrategy::Abort, + .. Default::default() + } +} diff --git a/src/librustc_back/target/x86_64_unknown_redox.rs b/src/librustc_back/target/x86_64_unknown_redox.rs new file mode 100644 index 0000000000000..cecac06b23527 --- /dev/null +++ b/src/librustc_back/target/x86_64_unknown_redox.rs @@ -0,0 +1,30 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use target::{Target, TargetResult}; + +pub fn target() -> TargetResult { + let mut base = super::redox_base::opts(); + base.cpu = "x86-64".to_string(); + base.max_atomic_width = Some(64); + base.pre_link_args.push("-m64".to_string()); + + Ok(Target { + llvm_target: "x86_64-unknown-redox".to_string(), + target_endian: "little".to_string(), + target_pointer_width: "64".to_string(), + data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(), + arch: "x86_64".to_string(), + target_os: "redox".to_string(), + target_env: "".to_string(), + target_vendor: "unknown".to_string(), + options: base, + }) +}