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@cjacek cjacek commented Jan 28, 2025

This change prepares for ARM64X delay-load imports support (#124600). Delaying the setLocation call is problematic on ARM64X because the order of addresses may not align with the order of symbols.

… the addresses vector

This change prepares for ARM64X delay-load imports support (llvm#124600). Delaying the setLocation
call is problematic on ARM64X because the order of addresses may not align with the order of symbols.
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llvmbot commented Jan 28, 2025

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Author: Jacek Caban (cjacek)

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This change prepares for ARM64X delay-load imports support (#124600). Delaying the setLocation call is problematic on ARM64X because the order of addresses may not align with the order of symbols.


Full diff: https://github.com/llvm/llvm-project/pull/124736.diff

1 Files Affected:

  • (modified) lld/COFF/DLL.cpp (+1-2)
diff --git a/lld/COFF/DLL.cpp b/lld/COFF/DLL.cpp
index 534cd47be1051f..76b7bee0e77e32 100644
--- a/lld/COFF/DLL.cpp
+++ b/lld/COFF/DLL.cpp
@@ -927,6 +927,7 @@ void DelayLoadContents::create() {
       Chunk *t = newThunkChunk(s, tm);
       auto *a = make<DelayAddressChunk>(ctx, t);
       addresses.push_back(a);
+      s->setLocation(a);
       thunks.push_back(t);
       StringRef extName = s->getExternalName();
       if (extName.empty()) {
@@ -967,8 +968,6 @@ void DelayLoadContents::create() {
       auxIatCopy.push_back(make<NullChunk>(ctx, 8));
     }
 
-    for (int i = 0, e = syms.size(); i < e; ++i)
-      syms[i]->setLocation(addresses[base + i]);
     auto *mh = make<NullChunk>(8, 8);
     moduleHandles.push_back(mh);
 

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LGTM

@cjacek cjacek merged commit 1b551e7 into llvm:main Jan 28, 2025
9 of 11 checks passed
@cjacek cjacek deleted the set-location branch January 28, 2025 11:56
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3 participants