| /* |
| * A small header than can be included by backported LLVM code or PostgreSQL |
| * code, to control conditional compilation. |
| */ |
| #ifndef LLVMJIT_BACKPORT_H |
| #define LLVMJIT_BACKPORT_H |
| |
| #include <llvm/Config/llvm-config.h> |
| |
| /* |
| * LLVM's RuntimeDyld can produce code that crashes on larger memory ARM |
| * systems, because llvm::SectionMemoryManager allocates multiple pieces of |
| * memory that can be placed too far apart for the generated code. See |
| * src/backend/jit/llvm/SectionMemoryManager.cpp for the patched replacement |
| * class llvm::backport::SectionMemoryManager that we use as a workaround. |
| * This header controls whether we use it. |
| * |
| * We have adjusted it to compile against a range of LLVM versions, but not |
| * further back than 12 for now. |
| */ |
| #if defined(__aarch64__) && LLVM_VERSION_MAJOR > 11 |
| #define USE_LLVM_BACKPORT_SECTION_MEMORY_MANAGER |
| #endif |
| |
| #endif |
