From 29d0e8a59374e77afc498970950870bde4770fd5 Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@gmail.com>
Date: Thu, 17 Aug 2023 10:51:13 +0200
Subject: [PATCH] macho-parser: Don't support FAT binaries, and warn for it

---
 src/parsers/macho-parser.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/parsers/macho-parser.cc b/src/parsers/macho-parser.cc
index 843f1a89..a70c0446 100644
--- a/src/parsers/macho-parser.cc
+++ b/src/parsers/macho-parser.cc
@@ -256,7 +256,12 @@ class MachoParser : public IFileParser
         auto hdr = reinterpret_cast<mach_header_64*>(data);
 
         // Don't handle big endian machines, or 32-bit binaries
-        if (hdr->magic == MH_MAGIC_64 || hdr->magic == FAT_MAGIC_64)
+        if (hdr->magic == FAT_MAGIC_64)
+        {
+            error("kcov doesn't support FAT binaries");
+            return match_none;
+        }
+        if (hdr->magic == MH_MAGIC_64)
         {
             return match_perfect;
         }