1 /* Definitions of target machine for GCC, 2 for x86-64/ELF NetBSD systems. 3 Copyright (C) 2002-2013 Free Software Foundation, Inc. 4 Contributed by Wasabi Systems, Inc. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 GCC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #define TARGET_OS_CPP_BUILTINS() \ 23 do \ 24 { \ 25 NETBSD_OS_CPP_BUILTINS_ELF(); \ 26 } \ 27 while (0) 28 29 30 /* Extra specs needed for NetBSD/x86-64 ELF. */ 31 32 #undef SUBTARGET_EXTRA_SPECS 33 #define SUBTARGET_EXTRA_SPECS \ 34 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ 35 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ 36 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, 37 38 39 /* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target. */ 40 41 #undef LINK_SPEC 42 #define LINK_SPEC \ 43 "%{m32:-m elf_i386} \ 44 %{m64:-m elf_x86_64} \ 45 %(netbsd_link_spec)" 46 47 #define NETBSD_ENTRY_POINT "_start" 48 49 50 /* Provide a CPP_SPEC appropriate for NetBSD. */ 51 52 #undef CPP_SPEC 53 #define CPP_SPEC "%(netbsd_cpp_spec)" 54 55 56 /* Output assembler code to FILE to call the profiler. */ 57 58 #undef FUNCTION_PROFILER 59 #define FUNCTION_PROFILER(FILE, LABELNO) \ 60 { \ 61 if (TARGET_64BIT && flag_pic) \ 62 fprintf (FILE, "\tcall *__mcount@PLT\n"); \ 63 else if (flag_pic) \ 64 fprintf (FILE, "\tcall *__mcount@PLT\n"); \ 65 else \ 66 fprintf (FILE, "\tcall __mcount\n"); \ 67 } 68 69 #define HAVE_ENABLE_EXECUTE_STACK 70