Add binary_format to rustc target specs

Author: Pyr0de

compiler/rustc_target/src/spec/mod.rs

@@ -2077,6 +2077,16 @@ enum TargetKind {
     Builtin,
 }
 
+#[derive(PartialEq, Clone, Debug)]
+pub enum BinaryFormat {
+    Coff,
+    Elf,
+    MachO,
+    Pe,
+    Wasm,
+    Xcoff,
+}
+
 /// Everything `rustc` knows about how to compile for a specific target.
 ///
 /// Every field here must be specified, and has no default value.
@@ -2099,6 +2109,8 @@ pub struct Target {
     pub arch: StaticCow<str>,
     /// [Data layout](https://llvm.org/docs/LangRef.html#data-layout) to pass to LLVM.
     pub data_layout: StaticCow<str>,
+    ///
+    pub binary_format: BinaryFormat,
     /// Optional settings with defaults.
     pub options: TargetOptions,
 }

compiler/rustc_target/src/spec/targets/aarch64_apple_darwin.rs

@@ -1,5 +1,5 @@
 use crate::spec::base::apple::{Arch, TargetAbi, base};
-use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions};
+use crate::spec::{BinaryFormat, FramePointer, SanitizerSet, Target, TargetOptions};
 
 pub(crate) fn target() -> Target {
     let (opts, llvm_target, arch) = base("macos", Arch::Arm64, TargetAbi::Normal);
@@ -15,6 +15,7 @@ pub(crate) fn target() -> Target {
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
             .into(),
         arch,
+        binary_format: BinaryFormat::MachO,
         options: TargetOptions {
             mcount: "\u{1}mcount".into(),
             frame_pointer: FramePointer::NonLeaf,

compiler/rustc_target/src/spec/targets/aarch64_apple_ios.rs

@@ -1,5 +1,5 @@
 use crate::spec::base::apple::{Arch, TargetAbi, base};
-use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions};
+use crate::spec::{BinaryFormat, FramePointer, SanitizerSet, Target, TargetOptions};
 
 pub(crate) fn target() -> Target {
     let (opts, llvm_target, arch) = base("ios", Arch::Arm64, TargetAbi::Normal);
@@ -15,6 +15,7 @@ pub(crate) fn target() -> Target {
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
             .into(),
         arch,
+        binary_format: BinaryFormat::MachO,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a7".into(),
             max_atomic_width: Some(128),

compiler/rustc_target/src/spec/targets/aarch64_apple_ios_macabi.rs

@@ -1,5 +1,5 @@
 use crate::spec::base::apple::{Arch, TargetAbi, base};
-use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions};
+use crate::spec::{BinaryFormat, FramePointer, SanitizerSet, Target, TargetOptions};
 
 pub(crate) fn target() -> Target {
     let (opts, llvm_target, arch) = base("ios", Arch::Arm64, TargetAbi::MacCatalyst);
@@ -15,6 +15,7 @@ pub(crate) fn target() -> Target {
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
             .into(),
         arch,
+        binary_format: BinaryFormat::MachO,
         options: TargetOptions {
             features: "+neon,+fp-armv8,+apple-a12".into(),
             max_atomic_width: Some(128),