Add support for windows linker args

Cargo.toml

@@ -58,6 +58,7 @@ jobserver = "0.1.30"
 leb128 = "0.2.5"
 libc = "0.2.171"
 libloading = "0.9.0"
+target-lexicon = "0.13.5"
 memchr = "2.6.0"
 memmap2 = "0.9.0"
 mimalloc = { version = "0.1", default-features = false }

libwild/Cargo.toml

@@ -35,6 +35,7 @@ libloading = { workspace = true, optional = true }
 linker-layout = { path = "../linker-layout", version = "0.8.0" }
 linker-trace = { path = "../linker-trace", version = "0.8.0" }
 linker-utils = { path = "../linker-utils", version = "0.8.0" }
+target-lexicon = { workspace = true }
 memchr = { workspace = true }
 memmap2 = { workspace = true }
 object = { workspace = true }

libwild/src/arch.rs

@@ -14,6 +14,20 @@ pub(crate) enum Architecture {
     LoongArch64,
 }
 
+impl Architecture {
+    /// Convert a `target_lexicon::Architecture` to an `Architecture`.
+    /// Panics if the architecture is not supported.
+    pub const fn from_target_lexicon(arch: target_lexicon::Architecture) -> Self {
+        match arch {
+            target_lexicon::Architecture::X86_64 => Self::X86_64,
+            target_lexicon::Architecture::Aarch64(_) => Self::AArch64,
+            target_lexicon::Architecture::Riscv64(_) => Self::RISCV64,
+            target_lexicon::Architecture::LoongArch64 => Self::LoongArch64,
+            _ => panic!("Unsupported architecture"),
+        }
+    }
+}
+
 impl TryFrom<u16> for Architecture {
     type Error = crate::error::Error;