1/* Definitions of target machine for GCC, 2 for x86-64/ELF NetBSD systems. 3 Copyright (C) 2002, 2004 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 2, 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 COPYING. If not, write to 20the Free Software Foundation, 51 Franklin Street, Fifth Floor, 21Boston, MA 02110-1301, USA. */ 22 23#define TARGET_OS_CPP_BUILTINS() \ 24 do \ 25 { \ 26 NETBSD_OS_CPP_BUILTINS_ELF(); \ 27 } \ 28 while (0) 29 30 31/* Extra specs needed for NetBSD/x86-64 ELF. */ 32 33#undef SUBTARGET_EXTRA_SPECS 34#define SUBTARGET_EXTRA_SPECS \ 35 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ 36 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ 37 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, 38 39 40/* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target. */ 41 42#undef LINK_SPEC 43#define LINK_SPEC \ 44 "%{m32:-m elf_i386} \ 45 %{m64:-m elf_x86_64} \ 46 %(netbsd_link_spec)" 47 48#define NETBSD_ENTRY_POINT "_start" 49 50 51/* Provide a CPP_SPEC appropriate for NetBSD. */ 52 53#undef CPP_SPEC 54#define CPP_SPEC "%(netbsd_cpp_spec)" 55 56 57/* Output assembler code to FILE to call the profiler. */ 58 59#undef FUNCTION_PROFILER 60#define FUNCTION_PROFILER(FILE, LABELNO) \ 61{ \ 62 if (TARGET_64BIT && flag_pic) \ 63 fprintf (FILE, "\tcall *__mcount@PLT\n"); \ 64 else if (flag_pic) \ 65 fprintf (FILE, "\tcall *__mcount@PLT\n"); \ 66 else \ 67 fprintf (FILE, "\tcall __mcount\n"); \ 68} 69 70/* Attempt to enable execute permissions on the stack. */ 71#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK 72 73#define TARGET_VERSION fprintf (stderr, " (NetBSD/x86_64 ELF)"); 74