1 /* Base configuration file for all NetBSD targets.
2 Copyright (C) 1997-2023 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
19
20 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD targets. */
21 #define NETBSD_OS_CPP_BUILTINS_COMMON() \
22 do \
23 { \
24 builtin_define ("__NetBSD__"); \
25 builtin_define ("__unix__"); \
26 builtin_assert ("system=bsd"); \
27 builtin_assert ("system=unix"); \
28 builtin_assert ("system=NetBSD"); \
29 } \
30 while (0)
31
32 /* CPP_SPEC parts common to all NetBSD targets. */
33 #define NETBSD_CPP_SPEC \
34 "%{posix:-D_POSIX_SOURCE} \
35 %{pthread:-D_REENTRANT -D_PTHREADS}"
36
37 /* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
38 source tree so it can be configured appropriately without using
39 the GNU configure/build mechanism. */
40
41 #ifdef NETBSD_NATIVE
42
43 /* Look for the include files in the system-defined places. */
44
45 #undef GPLUSPLUS_INCLUDE_DIR
46 #define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
47
48 #undef GCC_INCLUDE_DIR
49 #define GCC_INCLUDE_DIR "/usr/include"
50
51 #undef INCLUDE_DEFAULTS
52 #define INCLUDE_DEFAULTS \
53 { \
54 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
55 { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \
56 { 0, 0, 0, 0 } \
57 }
58
59 /* Under NetBSD, the normal location of the compiler back ends is the
60 /usr/libexec directory. */
61
62 #undef STANDARD_EXEC_PREFIX
63 #define STANDARD_EXEC_PREFIX "/usr/libexec/"
64
65 /* Under NetBSD, the normal location of the various *crt*.o files is the
66 /usr/lib directory. */
67
68 #undef STANDARD_STARTFILE_PREFIX
69 #define STANDARD_STARTFILE_PREFIX "/usr/lib/"
70
71 #endif /* NETBSD_NATIVE */
72
73
74 /* Provide a LIB_SPEC appropriate for NetBSD. Here we:
75
76 1. Select the appropriate set of libs, depending on whether we're
77 profiling.
78
79 2. Include the pthread library if -pthread is specified (only
80 if threads are enabled).
81
82 3. Include the posix library if -posix is specified.
83
84 FIXME: Could eliminate the duplication here if we were allowed to
85 use string concatenation. */
86
87 #define NETBSD_LIB_SPEC \
88 "%{pthread: \
89 %{!p: \
90 %{!pg:-lpthread}} \
91 %{p:-lpthread_p} \
92 %{pg:-lpthread_p}} \
93 %{posix: \
94 %{!p: \
95 %{!pg:-lposix}} \
96 %{p:-lposix_p} \
97 %{pg:-lposix_p}} \
98 %{shared:-lc} \
99 %{!shared: \
100 %{!symbolic: \
101 %{!p: \
102 %{!pg:-lc}} \
103 %{p:-lc_p} \
104 %{pg:-lc_p}}}"
105
106 #undef LIB_SPEC
107 #define LIB_SPEC NETBSD_LIB_SPEC
108
109 /* Provide a LIBGCC_SPEC appropriate for NetBSD. */
110
111 #ifdef NETBSD_NATIVE
112 #define NETBSD_LIBGCC_SPEC \
113 "%{!symbolic: \
114 %{!shared: \
115 %{!p: \
116 %{!pg: -lgcc}}} \
117 %{shared: -lgcc_pic} \
118 %{p: -lgcc_p} \
119 %{pg: -lgcc_p}}"
120 #else
121 #define NETBSD_LIBGCC_SPEC "-lgcc"
122 #endif
123
124 #undef LIBGCC_SPEC
125 #define LIBGCC_SPEC NETBSD_LIBGCC_SPEC
126
127 #if defined(HAVE_LD_EH_FRAME_HDR)
128 #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
129 #endif
130
131 #undef TARGET_LIBC_HAS_FUNCTION
132 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
133
134 /* When building shared libraries, the initialization and finalization
135 functions for the library are .init and .fini respectively. */
136
137 #define COLLECT_SHARED_INIT_FUNC(STREAM,FUNC) \
138 do { \
139 fprintf ((STREAM), "void __init() __asm__ (\".init\");"); \
140 fprintf ((STREAM), "void __init() {\n\t%s();\n}\n", (FUNC)); \
141 } while (0)
142
143 #define COLLECT_SHARED_FINI_FUNC(STREAM,FUNC) \
144 do { \
145 fprintf ((STREAM), "void __fini() __asm__ (\".fini\");"); \
146 fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC)); \
147 } while (0)
148
149 #undef TARGET_POSIX_IO
150 #define TARGET_POSIX_IO
151
152 /* Define some types that are the same on all NetBSD platforms,
153 making them agree with <machine/ansi.h>. */
154
155 #undef WCHAR_TYPE
156 #define WCHAR_TYPE "int"
157
158 #undef WCHAR_TYPE_SIZE
159 #define WCHAR_TYPE_SIZE 32
160
161 #undef WINT_TYPE
162 #define WINT_TYPE "int"
163
164 #undef SUBTARGET_INIT_BUILTINS
165 #define SUBTARGET_INIT_BUILTINS \
166 do { \
167 netbsd_patch_builtins (); \
168 } while(0)