gcc/config/i386/netbsd64.h

   1 /* Definitions of target machine for GCC,
   2    for x86-64/ELF NetBSD systems.
   3    Copyright (C) 2002 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, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, 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 TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK
  72
  73 #define TARGET_VERSION fprintf (stderr, " (NetBSD/x86_64 ELF)");