[lldb] A few more pieces towards OpenBSD support (llvm#121051)

Author: brad0

lldb/cmake/modules/LLDBConfig.cmake

@@ -292,7 +292,7 @@ endif()
 
 # Figure out if lldb could use lldb-server.  If so, then we'll
 # ensure we build lldb-server when an lldb target is being built.
-if (CMAKE_SYSTEM_NAME MATCHES "Android|Darwin|FreeBSD|Linux|NetBSD|Windows")
+if (CMAKE_SYSTEM_NAME MATCHES "Android|Darwin|FreeBSD|Linux|NetBSD|OpenBSD|Windows")
   set(LLDB_CAN_USE_LLDB_SERVER ON)
 else()
   set(LLDB_CAN_USE_LLDB_SERVER OFF)

lldb/source/Initialization/CMakeLists.txt

@@ -1,4 +1,4 @@
-if ( CMAKE_SYSTEM_NAME MATCHES "Linux|Android|FreeBSD|NetBSD" )
+if ( CMAKE_SYSTEM_NAME MATCHES "Linux|Android|FreeBSD|NetBSD|OpenBSD" )
   list(APPEND EXTRA_PLUGINS lldbPluginProcessPOSIX)
 endif()
 

lldb/source/Plugins/ABI/X86/ABISysV_x86_64.cpp

@@ -95,6 +95,7 @@ ABISysV_x86_64::CreateInstance(lldb::ProcessSP process_sp, const ArchSpec &arch)
     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(

lldb/source/Plugins/Process/CMakeLists.txt

@@ -7,6 +7,8 @@ elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
 elseif (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
   add_subdirectory(NetBSD)
   add_subdirectory(POSIX)
+elseif (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+  add_subdirectory(POSIX)
 elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
   add_subdirectory(Windows/Common)
 elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")