jit: Adjust AArch64-only code for LLVM 21.

macdice · macdice · commit 035a1f5aca4e · 2025-11-22T21:20:27.000+13:00
LLVM 21 changed the arguments of RTDyldObjectLinkingLayer's constructor, breaking compilation with the backported SectionMemoryManager from commit 9044fc1. llvm/llvm-project@cd58586 Backpatch-through: 14 Author: Holger Hoffstätte <holger@applied-asynchrony.com> Reviewed-by: Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com> Discussion: https://postgr.es/m/d25e6e4a-d1b4-84d3-2f8a-6c45b975f53d%40applied-asynchrony.com
diff --git a/src/backend/jit/llvm/llvmjit_wrap.cpp b/src/backend/jit/llvm/llvmjit_wrap.cpp
@@ -118,7 +118,14 @@ DEFINE_SIMPLE_CONVERSION_FUNCTIONS(llvm::orc::ObjectLayer, LLVMOrcObjectLayerRef
 LLVMOrcObjectLayerRef
 LLVMOrcCreateRTDyldObjectLinkingLayerWithSafeSectionMemoryManager(LLVMOrcExecutionSessionRef ES)
 {
+#if LLVM_VERSION_MAJOR >= 21
+	return wrap(new llvm::orc::RTDyldObjectLinkingLayer(
+		*unwrap(ES), [](const llvm::MemoryBuffer&) {
+			return std::make_unique<llvm::backport::SectionMemoryManager>(nullptr, true);
+		}));
+#else
 	return wrap(new llvm::orc::RTDyldObjectLinkingLayer(
 		*unwrap(ES), [] { return std::make_unique<llvm::backport::SectionMemoryManager>(nullptr, true); }));
+#endif
 }
 #endif
