1/* Definitions of target machine for GCC, 2 for x86-64/ELF NetBSD systems. 3 Copyright (C) 2002-2015 Free Software Foundation, Inc. 4 Contributed by Wasabi Systems, Inc. 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 3, or (at your option) 11any later version. 12 13GCC is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along 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 71#define IX86_MAYBE_NO_LIBGCC_TFMODE 72