rtems: Add spec file for arm_rtems6_eabihf

Author: thesummer

compiler/rustc_target/src/spec/mod.rs

@@ -1695,6 +1695,8 @@ supported_targets! {
 ("armv7r-none-eabihf", armv7r_none_eabihf),
 ("armv8r-none-eabihf", armv8r_none_eabihf),
 
+("armv7-rtems-eabihf", armv7_rtems_eabihf),
+
 ("x86_64-pc-solaris", x86_64_pc_solaris),
 ("sparcv9-sun-solaris", sparcv9_sun_solaris),
 

compiler/rustc_target/src/spec/targets/armv7_rtems_eabihf.rs

@@ -0,0 +1,35 @@
+usecrate::spec::{cvs,Cc,LinkerFlavor,Lld,PanicStrategy,RelocModel,Target,TargetOptions};
+
+pub(crate)fntarget() -> Target{
+Target{
+llvm_target:"armv7-unknown-none-eabihf".into(),
+metadata:crate::spec::TargetMetadata{
+description:Some("Armv7 RTEMS (Requires RTEMS toolchain and kernel".into()),
+tier:Some(3),
+host_tools:Some(false),
+std:Some(true),
+},
+pointer_width:32,
+data_layout:"e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".into(),
+arch:"arm".into(),
+
+options:TargetOptions{
+os:"rtems".into(),
+families:cvs!["unix"],
+abi:"eabihf".into(),
+linker_flavor:LinkerFlavor::Gnu(Cc::Yes,Lld::No),
+linker:None,
+relocation_model:RelocModel::Static,
+panic_strategy:PanicStrategy::Abort,
+features:"+thumb2,+neon,+vfp3".into(),
+max_atomic_width:Some(64),
+emit_debug_gdb_scripts:false,
+// GCC defaults to 8 for arm-none here.
+c_enum_min_bits:Some(8),
+eh_frame_header:false,
+no_default_libraries:false,
+env:"newlib".into(),
+ ..Default::default()
+},
+}
+}

tests/assembly/targets/targets-elf.rs

@@ -129,6 +129,9 @@
 //@ revisions: armv7_linux_androideabi
 //@ [armv7_linux_androideabi] compile-flags: --target armv7-linux-androideabi
 //@ [armv7_linux_androideabi] needs-llvm-components: arm
+//@ revisions: armv7_rtems_eabihf
+//@ [armv7_rtems_eabihf] compile-flags: --target armv7-rtems-eabihf
+//@ [armv7_rtems_eabihf] needs-llvm-components: arm
 //@ revisions: armv7_sony_vita_newlibeabihf
 //@ [armv7_sony_vita_newlibeabihf] compile-flags: --target armv7-sony-vita-newlibeabihf
 //@ [armv7_sony_vita_newlibeabihf] needs-llvm-components: arm