add armv7r-none-eabi target

Author: japaric

src/librustc_target/spec/armv7r_none_eabi.rs

@@ -0,0 +1,40 @@
+// Copyright 2018 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 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Targets the Little-endian Cortex-R4/R5 processor (ARMv7-R)
+
+use std::default::Default;
+use spec::{LinkerFlavor, LldFlavor, PanicStrategy, Target, TargetOptions, TargetResult};
+
+pub fn target() -> TargetResult {
+    Ok(Target {
+        llvm_target: "armv7r-unknown-none-eabi".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-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
+        arch: "arm".to_string(),
+        target_os: "none".to_string(),
+        target_env: "".to_string(),
+        target_vendor: "".to_string(),
+        linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
+
+        options: TargetOptions {
+            executables: true,
+            linker: Some("rust-lld".to_owned()),
+            relocation_model: "static".to_string(),
+            panic_strategy: PanicStrategy::Abort,
+            max_atomic_width: Some(32),
+            abi_blacklist: super::arm_base::abi_blacklist(),
+            emit_debug_gdb_scripts: false,
+            .. Default::default()
+        },
+    })
+}

src/librustc_target/spec/mod.rs

@@ -372,6 +372,7 @@ supported_targets! {
 
     ("armebv7r-none-eabihf", armebv7r_none_eabihf),
     ("armv7r-none-eabihf", armv7r_none_eabihf),
+    ("armv7r-none-eabi", armv7r_none_eabi),
 
     ("x86_64-sun-solaris", x86_64_sun_solaris),
     ("sparcv9-sun-solaris", sparcv9_sun_solaris),