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 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 2, 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 COPYING. If not, write to 20 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 21 Boston, 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