From 1cf9cafeb14c4e9b16727b10953da95c5c5b0b1d Mon Sep 17 00:00:00 2001 From: Jorge Aparicio Date: Tue, 16 Aug 2016 17:07:55 -0500 Subject: [PATCH] add mips-uclibc targets These targets cover OpenWRT 15.05 devices, which use the soft float ABI and the uclibc library. None of the other built-in mips targets covered those devices (mips-gnu is hard float and glibc-based, mips-musl is musl-based). With this commit one can now build std for these devices using these commands: ``` $ configure --enable-rustbuild --target=mips-unknown-linux-uclibc $ make ``` cc #35673 --- mk/cfg/mips-unknown-linux-uclibc.mk | 1 + mk/cfg/mipsel-unknown-linux-uclibc.mk | 1 + .../target/mips_unknown_linux_uclibc.rs | 30 ++++++++++++++++++ .../target/mipsel_unknown_linux_uclibc.rs | 31 +++++++++++++++++++ src/librustc_back/target/mod.rs | 2 ++ 5 files changed, 65 insertions(+) create mode 100644 mk/cfg/mips-unknown-linux-uclibc.mk create mode 100644 mk/cfg/mipsel-unknown-linux-uclibc.mk create mode 100644 src/librustc_back/target/mips_unknown_linux_uclibc.rs create mode 100644 src/librustc_back/target/mipsel_unknown_linux_uclibc.rs diff --git a/mk/cfg/mips-unknown-linux-uclibc.mk b/mk/cfg/mips-unknown-linux-uclibc.mk new file mode 100644 index 0000000000000..34aee77ae2107 --- /dev/null +++ b/mk/cfg/mips-unknown-linux-uclibc.mk @@ -0,0 +1 @@ +# rustbuild-only target diff --git a/mk/cfg/mipsel-unknown-linux-uclibc.mk b/mk/cfg/mipsel-unknown-linux-uclibc.mk new file mode 100644 index 0000000000000..34aee77ae2107 --- /dev/null +++ b/mk/cfg/mipsel-unknown-linux-uclibc.mk @@ -0,0 +1 @@ +# rustbuild-only target diff --git a/src/librustc_back/target/mips_unknown_linux_uclibc.rs b/src/librustc_back/target/mips_unknown_linux_uclibc.rs new file mode 100644 index 0000000000000..529bd310391cd --- /dev/null +++ b/src/librustc_back/target/mips_unknown_linux_uclibc.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, TargetOptions, TargetResult}; + +pub fn target() -> TargetResult { + Ok(Target { + llvm_target: "mips-unknown-linux-uclibc".to_string(), + target_endian: "big".to_string(), + target_pointer_width: "32".to_string(), + data_layout: "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(), + arch: "mips".to_string(), + target_os: "linux".to_string(), + target_env: "uclibc".to_string(), + target_vendor: "unknown".to_string(), + options: TargetOptions { + cpu: "mips32r2".to_string(), + features: "+mips32r2,+soft-float".to_string(), + max_atomic_width: 32, + ..super::linux_base::opts() + }, + }) +} diff --git a/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs b/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs new file mode 100644 index 0000000000000..1040a0fbe1724 --- /dev/null +++ b/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs @@ -0,0 +1,31 @@ +// 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, TargetOptions, TargetResult}; + +pub fn target() -> TargetResult { + Ok(Target { + llvm_target: "mipsel-unknown-linux-uclibc".to_string(), + target_endian: "little".to_string(), + target_pointer_width: "32".to_string(), + data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(), + arch: "mips".to_string(), + target_os: "linux".to_string(), + target_env: "uclibc".to_string(), + target_vendor: "unknown".to_string(), + + options: TargetOptions { + cpu: "mips32".to_string(), + features: "+mips32,+soft-float".to_string(), + max_atomic_width: 32, + ..super::linux_base::opts() + }, + }) +} diff --git a/src/librustc_back/target/mod.rs b/src/librustc_back/target/mod.rs index 18686e3f1d648..86cd86d282cf5 100644 --- a/src/librustc_back/target/mod.rs +++ b/src/librustc_back/target/mod.rs @@ -143,6 +143,8 @@ supported_targets! { ("i686-unknown-linux-musl", i686_unknown_linux_musl), ("mips-unknown-linux-musl", mips_unknown_linux_musl), ("mipsel-unknown-linux-musl", mipsel_unknown_linux_musl), + ("mips-unknown-linux-uclibc", mips_unknown_linux_uclibc), + ("mipsel-unknown-linux-uclibc", mipsel_unknown_linux_uclibc), ("i686-linux-android", i686_linux_android), ("arm-linux-androideabi", arm_linux_androideabi),