b0de9bba834c40cfa48a78af4018978c77bc7508
[gcc.git] / gcc / config / i386 / beos-elf.h
1 /* Definitions for Intel x86 running BeOS
2 Copyright (C) 1998, 1999, 2000, 2001, 2002 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 2, 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 COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21
22 #define TARGET_VERSION fprintf (stderr, " (i386 BeOS/ELF)");
23
24 /* Change debugging to Dwarf2. */
25 #undef PREFERRED_DEBUGGING_TYPE
26 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
27
28 /* The SVR4 ABI for the i386 says that records and unions are returned
29 in memory. */
30 #undef DEFAULT_PCC_STRUCT_RETURN
31 #define DEFAULT_PCC_STRUCT_RETURN 1
32
33 #undef ASM_COMMENT_START
34 #define ASM_COMMENT_START " #"
35
36 #undef DBX_REGISTER_NUMBER
37 #define DBX_REGISTER_NUMBER(n) \
38 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
39
40 /* Output assembler code to FILE to increment profiler label # LABELNO
41 for profiling a function entry. */
42
43 #undef MCOUNT_NAME
44 #define MCOUNT_NAME "mcount"
45
46 #undef SIZE_TYPE
47 #define SIZE_TYPE "long unsigned int"
48
49 #undef PTRDIFF_TYPE
50 #define PTRDIFF_TYPE "long int"
51
52 #undef WCHAR_TYPE
53 #define WCHAR_TYPE "short unsigned int"
54
55 #undef WCHAR_TYPE_SIZE
56 #define WCHAR_TYPE_SIZE 16
57
58 #define TARGET_DECLSPEC 1
59
60 #define TARGET_OS_CPP_BUILTINS() \
61 do \
62 { \
63 builtin_define ("__BEOS__"); \
64 builtin_define ("__INTEL__"); \
65 builtin_define ("_X86_"); \
66 builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
67 builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
68 builtin_assert ("system=beos"); \
69 if (flag_pic) \
70 { \
71 builtin_define ("__PIC__"); \
72 builtin_define ("__pic__"); \
73 } \
74 } \
75 while (0)
76
77 /* BeOS uses lots of multichars, so don't warn about them unless the
78 user explicitly asks for the warnings with -Wmultichar. Note that
79 CC1_SPEC is used for both cc1 and cc1plus. */
80
81 #undef CC1_SPEC
82 #define CC1_SPEC "%{!no-fpic:%{!fno-pic:%{!fno-pie:%{!fpie:%{!fPIC:%{!fPIE:-fpic}}}}}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
83
84 #undef CC1PLUS_SPEC
85 #define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
86
87 /* Provide a LINK_SPEC appropriate for BeOS. Here we provide support
88 for the special GCC options -static and -shared, which allow us to
89 link things in one of these three modes by applying the appropriate
90 combinations of options at link-time. */
91
92 /* If ELF is the default format, we should not use /lib/elf. */
93
94 #undef LINK_SPEC
95 #define LINK_SPEC "%{!o*:-o %b} -m elf_i386_be -shared -Bsymbolic %{nostart:-e 0}"
96
97 /* Provide start and end file specs appropriate to glibc. */
98
99 /* LIB_SPEC for BeOS */
100 #undef LIB_SPEC
101 #define LIB_SPEC "-lnet -lroot"
102
103 /* gcc runtime lib is built into libroot.so on BeOS */
104 /* ??? This is gonna be lovely when the next release of gcc has
105 some new symbol in, so that links start failing. */
106 #undef LIBGCC_SPEC
107 #define LIBGCC_SPEC ""
108
109 #undef STARTFILE_SPEC
110 #define STARTFILE_SPEC "crti.o%s crtbegin.o%s %{!nostart:start_dyn.o%s} init_term_dyn.o%s %{p:i386-mcount.o%s}"
111
112 #undef ENDFILE_SPEC
113 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
114
115 /* A C statement (sans semicolon) to output to the stdio stream
116 FILE the assembler definition of uninitialized global DECL named
117 NAME whose size is SIZE bytes and alignment is ALIGN bytes.
118 Try to use asm_output_aligned_bss to implement this macro. */
119
120 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
121 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
122
123 /* A C statement to output to the stdio stream FILE an assembler
124 command to advance the location counter to a multiple of 1<<LOG
125 bytes if it is within MAX_SKIP bytes.
126
127 This is used to align code labels according to Intel recommendations. */
128
129 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
130 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
131 if ((LOG)!=0) \
132 if ((MAX_SKIP)==0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
133 else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP))
134 #endif
135
136 /* For native compiler, use standard BeOS include file search paths
137 rooted in /boot/develop/headers. For a cross compiler, don't
138 expect the host to use the BeOS directory scheme, and instead look
139 for the BeOS include files relative to TOOL_INCLUDE_DIR. Yes, we
140 use ANSI string concatenation here (FIXME) */
141
142 #ifndef CROSS_COMPILE
143 #undef INCLUDE_DEFAULTS
144 #define INCLUDE_DEFAULTS \
145 { \
146 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
147 { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
148 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
149 { "/boot/develop/headers/be/add-ons/graphics", 0, 0, 0 },\
150 { "/boot/develop/headers/be/devel", 0, 0, 0 },\
151 { "/boot/develop/headers/be/translation", 0, 0, 0 },\
152 { "/boot/develop/headers/be/mail", 0, 0, 0 },\
153 { "/boot/develop/headers/gnu", 0, 0, 0 },\
154 { "/boot/develop/headers/be/drivers", 0, 0, 0 },\
155 { "/boot/develop/headers/be/opengl", 0, 0, 0 },\
156 { "/boot/develop/headers/be/game", 0, 0, 0 },\
157 { "/boot/develop/headers/be/support", 0, 0, 0 },\
158 { "/boot/develop/headers/be/storage", 0, 0, 0 },\
159 { "/boot/develop/headers/be/kernel", 0, 0, 0 },\
160 { "/boot/develop/headers/be/net", 0, 0, 0 },\
161 { "/boot/develop/headers/be/midi", 0, 0, 0 },\
162 { "/boot/develop/headers/be/midi2", 0, 0, 0 },\
163 { "/boot/develop/headers/be/media", 0, 0, 0 },\
164 { "/boot/develop/headers/be/interface", 0, 0, 0 },\
165 { "/boot/develop/headers/be/device", 0, 0, 0 },\
166 { "/boot/develop/headers/be/app", 0, 0, 0 },\
167 { "/boot/develop/headers/be/precompiled", 0, 0, 0 },\
168 { "/boot/develop/headers/be/add-ons/input_server", 0, 0, 0 },\
169 { "/boot/develop/headers/be/add-ons/net_server", 0, 0, 0 },\
170 { "/boot/develop/headers/be/add-ons/screen_saver", 0, 0, 0 },\
171 { "/boot/develop/headers/be/add-ons/tracker", 0, 0, 0 },\
172 { "/boot/develop/headers/be/be_apps/Deskbar", 0, 0, 0 },\
173 { "/boot/develop/headers/be/be_apps/NetPositive", 0, 0, 0 },\
174 { "/boot/develop/headers/be/be_apps/Tracker", 0, 0, 0 },\
175 { "/boot/develop/headers/be/drivers/tty", 0, 0, 0 },\
176 { "/boot/develop/headers/be/net/netinet", 0, 0, 0 },\
177 { "/boot/develop/headers/be/storage", 0, 0, 0 },\
178 { "/boot/develop/headers/be", 0, 0, 0 },\
179 { "/boot/develop/headers/cpp", 0, 0, 0 },\
180 { "/boot/develop/headers/posix", 0, 0, 0 },\
181 { "/boot/develop/headers", 0, 0, 0 }, \
182 { 0, 0, 0, 0 } \
183 }
184 #else /* CROSS_COMPILE */
185 #undef INCLUDE_DEFAULTS
186 #define INCLUDE_DEFAULTS \
187 { \
188 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
189 { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
190 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
191 { CROSS_INCLUDE_DIR "/be/add-ons/graphics", 0, 0, 0 },\
192 { CROSS_INCLUDE_DIR "/be/devel", 0, 0, 0 },\
193 { CROSS_INCLUDE_DIR "/be/translation", 0, 0, 0 },\
194 { CROSS_INCLUDE_DIR "/be/mail", 0, 0, 0 },\
195 { CROSS_INCLUDE_DIR "/gnu", 0, 0, 0 },\
196 { CROSS_INCLUDE_DIR "/be/drivers", 0, 0, 0 },\
197 { CROSS_INCLUDE_DIR "/be/opengl", 0, 0, 0 },\
198 { CROSS_INCLUDE_DIR "/be/game", 0, 0, 0 },\
199 { CROSS_INCLUDE_DIR "/be/support", 0, 0, 0 },\
200 { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
201 { CROSS_INCLUDE_DIR "/be/kernel", 0, 0, 0 },\
202 { CROSS_INCLUDE_DIR "/be/net", 0, 0, 0 },\
203 { CROSS_INCLUDE_DIR "/be/midi", 0, 0, 0 },\
204 { CROSS_INCLUDE_DIR "/be/midi2", 0, 0, 0 },\
205 { CROSS_INCLUDE_DIR "/be/media", 0, 0, 0 },\
206 { CROSS_INCLUDE_DIR "/be/interface", 0, 0, 0 },\
207 { CROSS_INCLUDE_DIR "/be/device", 0, 0, 0 },\
208 { CROSS_INCLUDE_DIR "/be/app", 0, 0, 0 },\
209 { CROSS_INCLUDE_DIR "/be/precompiled", 0, 0, 0 },\
210 { CROSS_INCLUDE_DIR "/be/add-ons/input_server", 0, 0, 0 },\
211 { CROSS_INCLUDE_DIR "/be/add-ons/net_server", 0, 0, 0 },\
212 { CROSS_INCLUDE_DIR "/be/add-ons/screen_saver", 0, 0, 0 },\
213 { CROSS_INCLUDE_DIR "/be/add-ons/tracker", 0, 0, 0 },\
214 { CROSS_INCLUDE_DIR "/be/be_apps/Deskbar", 0, 0, 0 },\
215 { CROSS_INCLUDE_DIR "/be/be_apps/NetPositive", 0, 0, 0 },\
216 { CROSS_INCLUDE_DIR "/be/be_apps/Tracker", 0, 0, 0 },\
217 { CROSS_INCLUDE_DIR "/be/drivers/tty", 0, 0, 0 },\
218 { CROSS_INCLUDE_DIR "/be/net/netinet", 0, 0, 0 },\
219 { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
220 { CROSS_INCLUDE_DIR "/be", 0, 0, 0 },\
221 { CROSS_INCLUDE_DIR "/cpp", 0, 0, 0 },\
222 { CROSS_INCLUDE_DIR "/posix", 0, 0, 0 },\
223 { CROSS_INCLUDE_DIR , 0, 0, 0 }, \
224 { 0, 0, 0, 0 } \
225 }
226 #endif
227
228 /* Whee. LIBRARY_PATH is Be's LD_LIBRARY_PATH, which of course will
229 cause nasty problems if we override it. */
230 #define LIBRARY_PATH_ENV "BELIBRARIES"
231
232 /* BeOS doesn't have a separate math library. */
233 #define MATH_LIBRARY ""
234
235 /* BeOS headers are C++-aware (and often use C++). */
236 #define NO_IMPLICIT_EXTERN_C
237
238 /* Define this macro if in some cases global symbols from one translation
239 unit may not be bound to undefined symbols in another translation unit
240 without user intervention. For instance, under Microsoft Windows
241 symbols must be explicitly imported from shared libraries (DLLs). */
242 #define MULTIPLE_SYMBOL_SPACES