|
0
|
1 /* Definitions of target machine for GCC,
|
|
|
2 for x86-64/ELF NetBSD systems.
|
|
|
3 Copyright (C) 2002, 2004, 2007 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 3, 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 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 /* Attempt to enable execute permissions on the stack. */
|
|
|
70 #define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
|
|
|
71
|
|
|
72 #define TARGET_VERSION fprintf (stderr, " (NetBSD/x86_64 ELF)");
|
