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4f587cb0 | 1 | /* Target independent definitions for LynxOS. |
a945c346 | 2 | Copyright (C) 1993-2024 Free Software Foundation, Inc. |
4fb420c2 | 3 | |
2a71dcad | 4 | This file is part of GCC. |
4843c185 | 5 | |
2a71dcad | 6 | GCC is free software; you can redistribute it and/or modify |
4843c185 | 7 | it under the terms of the GNU General Public License as published by |
2f83c7d6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
4843c185 RS |
9 | any later version. |
10 | ||
2a71dcad | 11 | GCC is distributed in the hope that it will be useful, |
4843c185 RS |
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 | |
2f83c7d6 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
4843c185 | 19 | |
4f587cb0 AN |
20 | /* In this file we set up defaults that can be chosen by |
21 | <target>/lynx.h files. A target-specific lynx.h file can decide | |
22 | either to define and override these definitions or to use them by | |
23 | ensuring they are undefined at this point. If we were to #undef | |
24 | them here we might accidentally disable some target-specific | |
25 | defines. */ | |
26 | ||
27 | #ifndef EXTRA_OS_LYNX_TARGET_SPECS | |
28 | # define EXTRA_OS_LYNX_TARGET_SPECS | |
29 | #endif | |
30 | ||
31 | #ifndef EXTRA_OS_LYNX_SPECS | |
32 | # define EXTRA_OS_LYNX_SPECS \ | |
33 | { "cpp_os_lynx", CPP_OS_LYNX_SPEC }, \ | |
34 | { "lib_os_lynx", LIB_OS_LYNX_SPEC }, \ | |
35 | { "link_os_lynx", LINK_OS_LYNX_SPEC }, \ | |
36 | { "startfile_os_lynx", STARTFILE_OS_LYNX_SPEC }, \ | |
37 | { "endfile_os_lynx", ENDFILE_OS_LYNX_SPEC }, \ | |
38 | EXTRA_OS_LYNX_TARGET_SPECS | |
39 | #endif | |
40 | ||
41 | #ifndef SUBTARGET_EXTRA_SPECS | |
42 | # define SUBTARGET_EXTRA_SPECS EXTRA_OS_LYNX_SPECS | |
43 | #endif | |
44 | ||
45 | #ifndef CPP_SPEC | |
46 | # define CPP_SPEC "%(cpp_cpu) %(cpp_os_lynx)" | |
47 | #endif | |
48 | ||
49 | #ifndef LIB_SPEC | |
50 | # define LIB_SPEC "%(lib_os_lynx)" | |
51 | #endif | |
52 | ||
53 | #ifndef LINK_SPEC | |
54 | # define LINK_SPEC "%(link_os_lynx)" | |
55 | #endif | |
56 | ||
57 | #ifndef STARTFILE_SPEC | |
58 | # define STARTFILE_SPEC "%(startfile_os_lynx)" | |
59 | #endif | |
60 | ||
61 | #ifndef ENDFILE_SPEC | |
62 | # define ENDFILE_SPEC "%(endfile_os_lynx)" | |
63 | #endif | |
64 | ||
65 | #ifndef CPP_OS_LYNX_SPEC | |
66 | # define CPP_OS_LYNX_SPEC \ | |
67 | "%{mthreads: \ | |
68 | %{mlegacy-threads: \ | |
ab532386 | 69 | %ecannot use mthreads and mlegacy-threads together}} \ |
4f587cb0 AN |
70 | %{mthreads: -D_MULTITHREADED} \ |
71 | %{mlegacy-threads: -D_THREADS_POSIX4ad4} \ | |
72 | -Asystem=lynx -Asystem=unix -D__Lynx__ -D__unix__" | |
73 | #endif | |
74 | ||
75 | #ifndef LIB_OS_LYNX_SPEC | |
76 | # define LIB_OS_LYNX_SPEC \ | |
77 | "%{mlegacy-threads:-lposix-pre1c} -lm -lc" | |
78 | #endif | |
79 | ||
80 | /* We link static executables for LynxOS by default unless -mshared is | |
81 | used when linking an executable. Along the same line, we link to | |
82 | shared libraries when linking a shared object by default unless | |
83 | -static is used. | |
84 | ||
85 | We have to pass in our -L options here otherwise the translated | |
86 | startfile directories (%D) will take priority over this. | |
87 | Furthermore since we have to pass in -L options here we have to | |
88 | make sure that -L options provided by the user take priority over | |
89 | everything we specify. */ | |
90 | ||
91 | #ifndef LINK_OS_LYNX_SPEC | |
92 | # define LINK_OS_LYNX_SPEC \ | |
93 | "%{shared} %{static} \ | |
ab532386 | 94 | %{mshared: %{static: %ecannot use mshared and static together}} \ |
4f587cb0 AN |
95 | %{!mshared: %{!shared: %{!static: -static}}} \ |
96 | %{L*} \ | |
97 | %{mthreads: \ | |
98 | %{mshared: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ | |
99 | %{shared: \ | |
100 | %{!static: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ | |
101 | %{!mshared: -L/lib/thread}} \ | |
102 | %{shared: %{static: -L/lib/thread}}} \ | |
103 | %{!mthreads: \ | |
104 | %{mshared: -L/lib/shlib -rpath /lib/shlib} \ | |
105 | %{shared: -L/lib/shlib -rpath /lib/shlib}} \ | |
106 | %{mlegacy-threads:-lposix-pre1c} -lm -lc" | |
107 | #endif | |
108 | ||
109 | #ifndef STARTFILE_OS_LYNX_SPEC | |
110 | # define STARTFILE_OS_LYNX_SPEC \ | |
111 | "%{!shared: \ | |
112 | %{!mthreads: \ | |
113 | %{p:gcrt1.o%s} %{pg:gcrt1.o%s} \ | |
114 | %{!p:%{!pg:crt1.o%s}}} \ | |
115 | %{mthreads: \ | |
116 | %{p:thread/gcrt1.o%s} %{pg:thread/gcrt1.o%s} \ | |
117 | %{!p:%{!pg:thread/crt1.o%s }}}}\ | |
118 | %{mthreads: thread/crti.o%s} %{!mthreads: crti.o%s} \ | |
119 | %{!shared: crtbegin.o%s} \ | |
120 | %{shared: crtbeginS.o%s}" | |
121 | #endif | |
122 | ||
123 | #ifndef ENDFILE_OS_LYNX_SPEC | |
124 | # define ENDFILE_OS_LYNX_SPEC \ | |
125 | "%{!shared: crtend.o%s} \ | |
126 | %{shared: crtendS.o%s} \ | |
127 | %{mthreads: thread/crtn.o%s} %{!mthreads: crtn.o%s}" | |
128 | #endif | |
129 | ||
4f587cb0 AN |
130 | /* Define the actual types of some ANSI-mandated types. */ |
131 | ||
132 | #ifndef SIZE_TYPE | |
133 | # define SIZE_TYPE "unsigned int" | |
134 | #endif | |
135 | ||
136 | #ifndef PTRDIFF_TYPE | |
137 | # define PTRDIFF_TYPE "int" | |
138 | #endif | |
139 | ||
140 | #ifndef WCHAR_TYPE | |
141 | # define WCHAR_TYPE "long int" | |
142 | #endif | |
143 | ||
144 | #ifndef WCHAR_TYPE_SIZE | |
145 | # define WCHAR_TYPE_SIZE BITS_PER_WORD | |
146 | #endif | |
147 | ||
148 | /* Define ASM_OUTPUT_ALIGN to use the .balign directive rather that | |
149 | the .align directive with GAS. */ | |
150 | ||
151 | #ifndef ASM_OUTPUT_ALIGN | |
152 | # define ASM_OUTPUT_ALIGN(FILE, LOG) \ | |
153 | do \ | |
154 | { \ | |
155 | if ((LOG) != 0) \ | |
156 | fprintf ((FILE), "\t.balign %d\n", 1 << (LOG)); \ | |
157 | } \ | |
158 | while (0) | |
159 | #endif | |
160 | ||
4969c0d8 L |
161 | #ifndef TARGET_POSIX_IO |
162 | # define TARGET_POSIX_IO | |
4f587cb0 | 163 | #endif |