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83349046 SB |
1 | /* Definitions of target machine for GNU compiler, |
2 | for PowerPC NetBSD systems. | |
85ec4feb | 3 | Copyright (C) 2002-2018 Free Software Foundation, Inc. |
83349046 SB |
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 it | |
9 | under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation; either version 3, or (at your | |
11 | option) any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | 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 | #undef TARGET_OS_CPP_BUILTINS /* FIXME: sysv4.h should not define this! */ | |
23 | #define TARGET_OS_CPP_BUILTINS() \ | |
24 | do \ | |
25 | { \ | |
26 | NETBSD_OS_CPP_BUILTINS_ELF(); \ | |
27 | builtin_define ("__powerpc__"); \ | |
28 | builtin_assert ("cpu=powerpc"); \ | |
29 | builtin_assert ("machine=powerpc"); \ | |
30 | } \ | |
31 | while (0) | |
32 | ||
33 | /* Override the default from rs6000.h to avoid conflicts with macros | |
34 | defined in NetBSD header files. */ | |
35 | ||
36 | #undef RS6000_CPU_CPP_ENDIAN_BUILTINS | |
37 | #define RS6000_CPU_CPP_ENDIAN_BUILTINS() \ | |
38 | do \ | |
39 | { \ | |
40 | if (BYTES_BIG_ENDIAN) \ | |
41 | { \ | |
42 | builtin_define ("__BIG_ENDIAN__"); \ | |
43 | builtin_assert ("machine=bigendian"); \ | |
44 | } \ | |
45 | else \ | |
46 | { \ | |
47 | builtin_define ("__LITTLE_ENDIAN__"); \ | |
48 | builtin_assert ("machine=littleendian"); \ | |
49 | } \ | |
50 | } \ | |
51 | while (0) | |
52 | ||
53 | /* Make GCC agree with <machine/ansi.h>. */ | |
54 | ||
55 | #undef SIZE_TYPE | |
56 | #define SIZE_TYPE "unsigned int" | |
57 | ||
58 | #undef PTRDIFF_TYPE | |
59 | #define PTRDIFF_TYPE "int" | |
60 | ||
61 | /* Undo the spec mess from sysv4.h, and just define the specs | |
62 | the way NetBSD systems actually expect. */ | |
63 | ||
64 | #undef CPP_SPEC | |
65 | #define CPP_SPEC NETBSD_CPP_SPEC | |
66 | ||
67 | #undef LINK_SPEC | |
68 | #define LINK_SPEC \ | |
69 | "%{!msdata=none:%{G*}} %{msdata=none:-G0} \ | |
70 | %(netbsd_link_spec)" | |
71 | ||
72 | #define NETBSD_ENTRY_POINT "_start" | |
73 | ||
74 | #undef STARTFILE_SPEC | |
75 | #define STARTFILE_SPEC NETBSD_STARTFILE_SPEC | |
76 | ||
77 | #undef ENDFILE_SPEC | |
78 | #define ENDFILE_SPEC "%(netbsd_endfile_spec)" | |
79 | ||
80 | #undef LIB_SPEC | |
81 | #define LIB_SPEC NETBSD_LIB_SPEC | |
82 | ||
83 | #undef SUBTARGET_EXTRA_SPECS | |
84 | #define SUBTARGET_EXTRA_SPECS \ | |
85 | { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ | |
86 | { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \ | |
87 | { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC }, | |
88 | ||
89 | ||
90 | /* Use standard DWARF numbering for DWARF debugging information. */ | |
91 | #define RS6000_USE_DWARF_NUMBERING | |
92 |