From 0b95613768fff9aa4d5c4829d8b014646ddb30e7 Mon Sep 17 00:00:00 2001
From: rjkiv <76180273+rjkiv@users.noreply.github.com>
Date: Sun, 31 Aug 2025 15:45:21 -0700
Subject: [PATCH] Hide certain symbols for X360 COFFs (#248)

* hide except_data symbols

* hide unwinds by default

* move COFF filters to obj/read.rs

* cargo fmt read.rs

* clippy moment

* clippy pls
---
 objdiff-core/src/obj/read.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/objdiff-core/src/obj/read.rs b/objdiff-core/src/obj/read.rs
index 52ac8e2..71ed052 100644
--- a/objdiff-core/src/obj/read.rs
+++ b/objdiff-core/src/obj/read.rs
@@ -74,6 +74,14 @@ fn map_symbol(
     {
         flags |= SymbolFlag::Hidden;
     }
+    if file.format() == object::BinaryFormat::Coff
+        && let Ok(name) = symbol.name()
+        && (name.starts_with("except_data_")
+            || name.starts_with("__unwind")
+            || name.starts_with("__catch"))
+    {
+        flags |= SymbolFlag::Hidden;
+    }
 
     let kind = match symbol.kind() {
         object::SymbolKind::Text => SymbolKind::Function,