mips: Add C++ symbol demangling (CW & modern GCC)

objdiff-core/Cargo.toml

@@ -81,6 +81,8 @@ std = [
 ]
 mips = [
     "any-arch",
+    "dep:cpp_demangle",
+    "dep:cwdemangle",
     "dep:rabbitizer",
 ]
 ppc = [

objdiff-core/src/arch/mips.rs

@@ -286,6 +286,13 @@ impl Arch for ArchMips {
         })
     }
 
+    fn demangle(&self, name: &str) -> Option<String> {
+        cpp_demangle::Symbol::new(name)
+            .ok()
+            .and_then(|s| s.demangle(&cpp_demangle::DemangleOptions::default()).ok())
+            .or_else(|| cwdemangle::demangle(name, &cwdemangle::DemangleOptions::default()))
+    }
+
     fn reloc_name(&self, flags: RelocationFlags) -> Option<&'static str> {
         match flags {
             RelocationFlags::Elf(r_type) => match r_type {