[llvm] b26f45e - [ORC] Skip non-SHF_ALLOC sections in DebugObjectManagerPlugin.

[Lang Hames via llvm-commits]

Author: Lang Hames
Date: 2022-10-25T18:40:38-07:00
New Revision: b26f45e5a49ae363164e7dbbf57eadd9e78d612c

URL: https://github.com/llvm/llvm-project/commit/b26f45e5a49ae363164e7dbbf57eadd9e78d612c
DIFF: https://github.com/llvm/llvm-project/commit/b26f45e5a49ae363164e7dbbf57eadd9e78d612c.diff

LOG: [ORC] Skip non-SHF_ALLOC sections in DebugObjectManagerPlugin.

We don't need to provide a load-address for non-alloc sections. Skipping them
allows us to avoid some complications, like handling duplicate .group sections.

Added: 
    

Modified: 
    llvm/lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp

Removed: 
    


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diff  --git a/llvm/lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp b/llvm/lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp
index 690f6b24e78a4..418dc39bf3cfe 100644
--- a/llvm/lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp
@@ -289,6 +289,9 @@ ELFDebugObject::CreateArchType(MemoryBufferRef Buffer,
       continue;
     HasDwarfSection |= isDwarfSection(*Name);
 
+    if (!(Header.sh_flags & ELF::SHF_ALLOC))
+      continue;
+
     auto Wrapped = std::make_unique<ELFDebugObjectSection<ELFT>>(&Header);
     if (Error Err = DebugObj->recordSection(*Name, std::move(Wrapped)))
       return std::move(Err);