1 /* Definitions of target machine for GNU compiler, 2 for Alpha NetBSD systems. 3 Copyright (C) 1998-2016 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #define TARGET_OS_CPP_BUILTINS() \ 22 do { \ 23 NETBSD_OS_CPP_BUILTINS_ELF(); \ 24 } while (0) 25 26 27 /* NetBSD doesn't use the LANGUAGE* built-ins. */ 28 #undef SUBTARGET_LANGUAGE_CPP_BUILTINS 29 #define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */ 30 31 32 /* Show that we need a GP when profiling. */ 33 #undef TARGET_PROFILING_NEEDS_GP 34 #define TARGET_PROFILING_NEEDS_GP 1 35 36 37 /* Provide a CPP_SPEC appropriate for NetBSD/alpha. We use 38 this to pull in CPP specs that all NetBSD configurations need. */ 39 40 #undef CPP_SPEC 41 #define CPP_SPEC NETBSD_CPP_SPEC 42 43 #undef EXTRA_SPECS 44 #define EXTRA_SPECS \ 45 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ 46 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \ 47 { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC }, 48 49 50 /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */ 51 52 #undef LINK_SPEC 53 #define LINK_SPEC \ 54 "%{G*} %{relax:-relax} \ 55 %{O*:-O3} %{!O*:-O1} \ 56 %(netbsd_link_spec)" 57 58 #define NETBSD_ENTRY_POINT "__start" 59 60 61 /* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we 62 add crtend.o, which provides part of the support for getting 63 C++ file-scope static objects deconstructed after exiting "main". 64 65 We also need to handle the GCC option `-ffast-math'. */ 66 67 #undef ENDFILE_SPEC 68 #define ENDFILE_SPEC \ 69 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfm%O%s} \ 70 %(netbsd_endfile_spec)" 71 72 #define HAVE_ENABLE_EXECUTE_STACK 73