/* Definitions of target machine for GNU compiler, for Alpha NetBSD systems. Copyright (C) 1998-2020 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #define TARGET_OS_CPP_BUILTINS() \ do { \ NETBSD_OS_CPP_BUILTINS_ELF(); \ } while (0) /* NetBSD doesn't use the LANGUAGE* built-ins. */ #undef SUBTARGET_LANGUAGE_CPP_BUILTINS #define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */ /* Show that we need a GP when profiling. */ #undef TARGET_PROFILING_NEEDS_GP #define TARGET_PROFILING_NEEDS_GP 1 /* Provide a CPP_SPEC appropriate for NetBSD/alpha. We use this to pull in CPP specs that all NetBSD configurations need. */ #undef CPP_SPEC #define CPP_SPEC NETBSD_CPP_SPEC #undef EXTRA_SPECS #define EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS #undef SUBTARGET_EXTRA_SPECS /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */ #undef LINK_SPEC #define LINK_SPEC \ "%{G*} %{relax:-relax} \ %{O*:-O3} %{!O*:-O1} \ %(netbsd_link_spec)" #define NETBSD_ENTRY_POINT "__start" /* Provide a STARTFILE_SPEC appropriate for NetBSD. Here we add the (even more) magical crtbegin.o file which provides part of the support for getting C++ file-scope static object constructed before entering `main'. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ "%{!shared: %{pg|p:gcrt0.o%s;:crt0.o%s}}\ crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" /* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we add crtend.o, which provides part of the support for getting C++ file-scope static objects deconstructed after exiting "main". We also need to handle the GCC option `-ffast-math'. */ #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfm%O%s} \ %(netbsd_endfile_spec)" #define HAVE_ENABLE_EXECUTE_STACK |