]> gcc.gnu.org Git - gcc.git/blame - gcc/config/i386/beos-elf.h
Add support for -storm-chaos
[gcc.git] / gcc / config / i386 / beos-elf.h
CommitLineData
512b62fb 1/* Definitions for Intel x86 running BeOS
4592bdcb 2 Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
512b62fb
JM
3
4This file is part of GNU CC.
5
6GNU CC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GNU CC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU CC; see the file COPYING. If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA. */
20
21#include <i386/i386.h> /* Base i386 target machine definitions */
22#include <i386/att.h> /* Use the i386 AT&T assembler syntax */
23#include <svr4.h> /* some common stuff */
24
25#undef TARGET_VERSION
26#define TARGET_VERSION fprintf (stderr, " (i386 BeOS/ELF)");
27
28/* Change debugging to Dwarf2. */
29#undef PREFERRED_DEBUGGING_TYPE
30#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
31
32/* The SVR4 ABI for the i386 says that records and unions are returned
33 in memory. */
34#undef DEFAULT_PCC_STRUCT_RETURN
35#define DEFAULT_PCC_STRUCT_RETURN 1
36
37#undef ASM_COMMENT_START
38#define ASM_COMMENT_START " #"
39
40/* This is how to output an element of a case-vector that is relative.
41 This is only used for PIC code. See comments by the `casesi' insn in
42 i386.md for an explanation of the expression this outputs. */
43#undef ASM_OUTPUT_ADDR_DIFF_ELT
44#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
45 fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
46
47/* Indicate that jump tables go in the text section. This is
48 necessary when compiling PIC code. */
49#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
50
512b62fb 51#undef DBX_REGISTER_NUMBER
83774849 52#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
512b62fb
JM
53
54/* Output assembler code to FILE to increment profiler label # LABELNO
55 for profiling a function entry. */
56
57#undef FUNCTION_PROFILER
58#define FUNCTION_PROFILER(FILE, LABELNO) \
59{ \
60 if (flag_pic) \
61 { \
62 fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
63 LPREFIX, (LABELNO)); \
64 fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
65 } \
66 else \
67 { \
68 fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \
69 fprintf (FILE, "\tcall mcount\n"); \
70 } \
71}
72
73#undef SIZE_TYPE
74#define SIZE_TYPE "long unsigned int"
75
76#undef PTRDIFF_TYPE
77#define PTRDIFF_TYPE "long int"
78
79#undef WCHAR_TYPE
80#define WCHAR_TYPE "short unsigned int"
81
82#undef WCHAR_UNSIGNED
83#define WCHAR_UNSIGNED 1
84
85#undef WCHAR_TYPE_SIZE
86#define WCHAR_TYPE_SIZE 16
87
88#undef CPP_PREDEFINES
89#define CPP_PREDEFINES "-D__ELF__ -D__BEOS__ -D__INTEL__ -D_X86_=1 \
90-D__stdcall=__attribute__((__stdcall__)) \
91-D__cdecl=__attribute__((__cdecl__)) \
92-D__declspec(x)=__attribute__((x)) \
93-Asystem(beos)"
94
95#undef CPP_SPEC
96#define CPP_SPEC "%(cpp_cpu) %{!no-fPIC:%{!no-fpic:-D__PIC__ -D__pic__}}"
97
98/* BeOS uses lots of multichars, so don't warn about them unless the
99 user explicitly asks for the warnings with -Wmultichar. Note that
100 CC1_SPEC is used for both cc1 and cc1plus. */
101
102#undef CC1_SPEC
103#define CC1_SPEC "%{!no-fpic:%{!fPIC:-fpic}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
104
105#undef CC1PLUS_SPEC
106#define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
107
108/* Provide a LINK_SPEC appropriate for BeOS. Here we provide support
109 for the special GCC options -static and -shared, which allow us to
110 link things in one of these three modes by applying the appropriate
111 combinations of options at link-time. */
112
113/* If ELF is the default format, we should not use /lib/elf. */
114
115#undef LINK_SPEC
116#define LINK_SPEC "%{!o*:-o %b} -m elf_i386_be -shared -Bsymbolic %{nostart:-e 0}"
117
118/* Provide start and end file specs appropriate to glibc. */
119
120/* LIB_SPEC for BeOS */
121#undef LIB_SPEC
122#define LIB_SPEC "-lnet -lroot"
123
124/* gcc runtime lib is built into libroot.so on BeOS */
125/* ??? This is gonna be lovely when the next release of gcc has
126 some new symbol in, so that links start failing. */
127#undef LIBGCC_SPEC
128#define LIBGCC_SPEC ""
129
130#undef STARTFILE_SPEC
a7a4fd17 131#define STARTFILE_SPEC "crti.o%s crtbegin.o%s %{!nostart:start_dyn.o%s} init_term_dyn.o%s %{p:i386-mcount.o%s}"
512b62fb
JM
132
133#undef ENDFILE_SPEC
134#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
135
136/* Get perform_* macros to build libgcc.a. */
137#include "i386/perform.h"
138
139/* A C statement (sans semicolon) to output to the stdio stream
140 FILE the assembler definition of uninitialized global DECL named
141 NAME whose size is SIZE bytes and alignment is ALIGN bytes.
142 Try to use asm_output_aligned_bss to implement this macro. */
143
144#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
145 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
146
147/* A C statement to output to the stdio stream FILE an assembler
148 command to advance the location counter to a multiple of 1<<LOG
149 bytes if it is within MAX_SKIP bytes.
150
151 This is used to align code labels according to Intel recommendations. */
152
153#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
154#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
155 if ((LOG)!=0) \
156 if ((MAX_SKIP)==0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
157 else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP))
158#endif
159
512b62fb
JM
160/* For native compiler, use standard BeOS include file search paths
161 rooted in /boot/develop/headers. For a cross compiler, don't
162 expect the host to use the BeOS directory scheme, and instead look
163 for the BeOS include files relative to TOOL_INCLUDE_DIR. Yes, we
164 use ANSI string concatenation here (FIXME) */
165
166#ifndef CROSS_COMPILE
167#undef INCLUDE_DEFAULTS
168#define INCLUDE_DEFAULTS \
169 { \
170 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
171 { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
172 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
173 { "/boot/develop/headers/be/add-ons/graphics", 0, 0, 0 },\
174 { "/boot/develop/headers/be/devel", 0, 0, 0 },\
175 { "/boot/develop/headers/be/translation", 0, 0, 0 },\
176 { "/boot/develop/headers/be/mail", 0, 0, 0 },\
177 { "/boot/develop/headers/gnu", 0, 0, 0 },\
178 { "/boot/develop/headers/be/drivers", 0, 0, 0 },\
179 { "/boot/develop/headers/be/opengl", 0, 0, 0 },\
180 { "/boot/develop/headers/be/game", 0, 0, 0 },\
181 { "/boot/develop/headers/be/support", 0, 0, 0 },\
182 { "/boot/develop/headers/be/storage", 0, 0, 0 },\
183 { "/boot/develop/headers/be/kernel", 0, 0, 0 },\
184 { "/boot/develop/headers/be/net", 0, 0, 0 },\
185 { "/boot/develop/headers/be/midi", 0, 0, 0 },\
a7a4fd17 186 { "/boot/develop/headers/be/midi2", 0, 0, 0 },\
512b62fb
JM
187 { "/boot/develop/headers/be/media", 0, 0, 0 },\
188 { "/boot/develop/headers/be/interface", 0, 0, 0 },\
189 { "/boot/develop/headers/be/device", 0, 0, 0 },\
190 { "/boot/develop/headers/be/app", 0, 0, 0 },\
512b62fb 191 { "/boot/develop/headers/be/precompiled", 0, 0, 0 },\
a7a4fd17
FF
192 { "/boot/develop/headers/be/add-ons/input_server", 0, 0, 0 },\
193 { "/boot/develop/headers/be/add-ons/net_server", 0, 0, 0 },\
194 { "/boot/develop/headers/be/add-ons/screen_saver", 0, 0, 0 },\
195 { "/boot/develop/headers/be/add-ons/tracker", 0, 0, 0 },\
196 { "/boot/develop/headers/be/be_apps/Deskbar", 0, 0, 0 },\
197 { "/boot/develop/headers/be/be_apps/NetPositive", 0, 0, 0 },\
198 { "/boot/develop/headers/be/be_apps/Tracker", 0, 0, 0 },\
199 { "/boot/develop/headers/be/drivers/tty", 0, 0, 0 },\
200 { "/boot/develop/headers/be/net/netinet", 0, 0, 0 },\
201 { "/boot/develop/headers/be/storage", 0, 0, 0 },\
512b62fb 202 { "/boot/develop/headers/be", 0, 0, 0 },\
a7a4fd17
FF
203 { "/boot/develop/headers/cpp", 0, 0, 0 },\
204 { "/boot/develop/headers/posix", 0, 0, 0 },\
512b62fb
JM
205 { "/boot/develop/headers", 0, 0, 0 }, \
206 { 0, 0, 0, 0 } \
207 };
208#else /* CROSS_COMPILE */
209#undef INCLUDE_DEFAULTS
210#define INCLUDE_DEFAULTS \
211 { \
212 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
213 { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
214 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
215 { CROSS_INCLUDE_DIR "/be/add-ons/graphics", 0, 0, 0 },\
216 { CROSS_INCLUDE_DIR "/be/devel", 0, 0, 0 },\
217 { CROSS_INCLUDE_DIR "/be/translation", 0, 0, 0 },\
218 { CROSS_INCLUDE_DIR "/be/mail", 0, 0, 0 },\
219 { CROSS_INCLUDE_DIR "/gnu", 0, 0, 0 },\
220 { CROSS_INCLUDE_DIR "/be/drivers", 0, 0, 0 },\
221 { CROSS_INCLUDE_DIR "/be/opengl", 0, 0, 0 },\
222 { CROSS_INCLUDE_DIR "/be/game", 0, 0, 0 },\
223 { CROSS_INCLUDE_DIR "/be/support", 0, 0, 0 },\
224 { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
225 { CROSS_INCLUDE_DIR "/be/kernel", 0, 0, 0 },\
226 { CROSS_INCLUDE_DIR "/be/net", 0, 0, 0 },\
227 { CROSS_INCLUDE_DIR "/be/midi", 0, 0, 0 },\
a7a4fd17 228 { CROSS_INCLUDE_DIR "/be/midi2", 0, 0, 0 },\
512b62fb
JM
229 { CROSS_INCLUDE_DIR "/be/media", 0, 0, 0 },\
230 { CROSS_INCLUDE_DIR "/be/interface", 0, 0, 0 },\
231 { CROSS_INCLUDE_DIR "/be/device", 0, 0, 0 },\
232 { CROSS_INCLUDE_DIR "/be/app", 0, 0, 0 },\
512b62fb 233 { CROSS_INCLUDE_DIR "/be/precompiled", 0, 0, 0 },\
a7a4fd17
FF
234 { CROSS_INCLUDE_DIR "/be/add-ons/input_server", 0, 0, 0 },\
235 { CROSS_INCLUDE_DIR "/be/add-ons/net_server", 0, 0, 0 },\
236 { CROSS_INCLUDE_DIR "/be/add-ons/screen_saver", 0, 0, 0 },\
237 { CROSS_INCLUDE_DIR "/be/add-ons/tracker", 0, 0, 0 },\
238 { CROSS_INCLUDE_DIR "/be/be_apps/Deskbar", 0, 0, 0 },\
239 { CROSS_INCLUDE_DIR "/be/be_apps/NetPositive", 0, 0, 0 },\
240 { CROSS_INCLUDE_DIR "/be/be_apps/Tracker", 0, 0, 0 },\
241 { CROSS_INCLUDE_DIR "/be/drivers/tty", 0, 0, 0 },\
242 { CROSS_INCLUDE_DIR "/be/net/netinet", 0, 0, 0 },\
243 { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
512b62fb 244 { CROSS_INCLUDE_DIR "/be", 0, 0, 0 },\
a7a4fd17
FF
245 { CROSS_INCLUDE_DIR "/cpp", 0, 0, 0 },\
246 { CROSS_INCLUDE_DIR "/posix", 0, 0, 0 },\
512b62fb
JM
247 { CROSS_INCLUDE_DIR , 0, 0, 0 }, \
248 { 0, 0, 0, 0 } \
249 };
250#endif
251
252/* Whee. LIBRARY_PATH is Be's LD_LIBRARY_PATH, which of course will
253 cause nasty problems if we override it. */
254#define LIBRARY_PATH_ENV "BELIBRARIES"
255
256/* BeOS doesn't have a separate math library. */
257#define MATH_LIBRARY ""
258
259/* BeOS headers are C++-aware (and often use C++). */
260#define NO_IMPLICIT_EXTERN_C
261
262/* Define this macro if in some cases global symbols from one translation
263 unit may not be bound to undefined symbols in another translation unit
264 without user intervention. For instance, under Microsoft Windows
265 symbols must be explicitly imported from shared libraries (DLLs). */
266#define MULTIPLE_SYMBOL_SPACES
f766bd46
FF
267
268/* A C statement to output assembler commands which will identify the object
269 file as having been compiled with GNU CC. This isn't needed for BeOS
270 because we use DWARF and DWARF has an DW_AT_producer tag that does the
271 same thing. BeOS debuggers, like bdb, that don't know about this hack
272 can get confused when they find two symbols with the same address, and
273 print the wrong one (gcc2_compiled) in things like backtraces. The most
274 likely ill effect of disabling this is that a BeOS port of gdb would not
275 be able to tell that an executable was compiled with gcc if there was no
276 DWARF info. */
277#undef ASM_IDENTIFY_GCC
278#define ASM_IDENTIFY_GCC(FILE)
This page took 0.232443 seconds and 5 git commands to generate.