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