Add x86_64-unknown-trusty as tier 3

Author: randomPoison

compiler/rustc_target/src/spec/mod.rs

@@ -1792,6 +1792,7 @@ supported_targets! {
 
 ("armv7-unknown-trusty", armv7_unknown_trusty),
 ("aarch64-unknown-trusty", aarch64_unknown_trusty),
+("x86_64-unknown-trusty", x86_64_unknown_trusty),
 
 ("riscv32i-unknown-none-elf", riscv32i_unknown_none_elf),
 ("riscv32im-risc0-zkvm-elf", riscv32im_risc0_zkvm_elf),

compiler/rustc_target/src/spec/targets/x86_64_unknown_trusty.rs

@@ -0,0 +1,38 @@
+// Trusty OS target for X86_64.
+
+usecrate::spec::{
+LinkSelfContainedDefault,PanicStrategy,RelroLevel,StackProbeType,Target,TargetOptions,
+};
+
+pub(crate)fntarget() -> Target{
+Target{
+llvm_target:"x86_64-unknown-unknown-musl".into(),
+metadata:crate::spec::TargetMetadata{
+description:Some("x86_64 Trusty".into()),
+tier:Some(3),
+host_tools:Some(false),
+std:Some(false),
+},
+pointer_width:64,
+data_layout:
+"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128".into(),
+arch:"x86_64".into(),
+options:TargetOptions{
+executables:true,
+max_atomic_width:Some(64),
+panic_strategy:PanicStrategy::Abort,
+os:"trusty".into(),
+link_self_contained:LinkSelfContainedDefault::InferredForMusl,
+position_independent_executables:true,
+static_position_independent_executables:true,
+crt_static_default:true,
+crt_static_respected:true,
+dynamic_linking:false,
+plt_by_default:false,
+relro_level:RelroLevel::Full,
+stack_probes:StackProbeType::Inline,
+mcount:"\u{1}_mcount".into(),
+ ..Default::default()
+},
+}
+}

src/doc/rustc/src/platform-support.md

@@ -386,6 +386,7 @@ target | std | host | notes
 [`x86_64-unknown-hermit`](platform-support/hermit.md) | ✓ | | x86_64 Hermit
 `x86_64-unknown-l4re-uclibc` | ? | |
 [`x86_64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 64-bit OpenBSD
+[`x86_64-unknown-trusty`](platform-support/trusty.md) | ? | |
 `x86_64-uwp-windows-gnu` | ✓ | |
 `x86_64-uwp-windows-msvc` | ✓ | |
 [`x86_64-win7-windows-msvc`](platform-support/win7-windows-msvc.md) | ✓ | | 64-bit Windows 7 support

tests/assembly/targets/targets-elf.rs

@@ -591,6 +591,9 @@
 //@ revisions: x86_64_unknown_redox
 //@ [x86_64_unknown_redox] compile-flags: --target x86_64-unknown-redox
 //@ [x86_64_unknown_redox] needs-llvm-components: x86
+//@ revisions: x86_64_unknown_trusty
+//@ [x86_64_unknown_trusty] compile-flags: --target x86_64-unknown-trusty
+//@ [x86_64_unknown_trusty] needs-llvm-components: x86
 //@ revisions: x86_64_wrs_vxworks
 //@ [x86_64_wrs_vxworks] compile-flags: --target x86_64-wrs-vxworks
 //@ [x86_64_wrs_vxworks] needs-llvm-components: x86