Index: lldb/source/Plugins/ABI/X86/ABISysV_x86_64.cpp
--- lldb/source/Plugins/ABI/X86/ABISysV_x86_64.cpp.orig
+++ lldb/source/Plugins/ABI/X86/ABISysV_x86_64.cpp
@@ -95,6 +95,7 @@ ABISysV_x86_64::CreateInstance(lldb::ProcessSP process
     case llvm::Triple::OSType::Linux:
     case llvm::Triple::OSType::MacOSX:
     case llvm::Triple::OSType::NetBSD:
+    case llvm::Triple::OSType::OpenBSD:
     case llvm::Triple::OSType::Solaris:
     case llvm::Triple::OSType::UnknownOS:
       return ABISP(
