1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/* Base configuration file for all FreeBSD targets.
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Common FreeBSD configuration.
All FreeBSD architectures should include this file, which will specify
their commonalities.
Adapted from gcc/config/i386/freebsd-elf.h by
David O'Brien <obrien@FreeBSD.org>.
Further work by David O'Brien <obrien@FreeBSD.org> and
Loren J. Rittle <ljrittle@acm.org>. */
/* To help with rs6000/sysv4.h carnal knowledge problem. */
#define _USING_CONFIG_FREEBSD 1
/* This defines which switch letters take arguments. On FreeBSD, most of
the normal cases (defined in gcc.c) apply, and we also have -h* and
-z* options (for the linker) (coming from SVR4).
We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */
#define FBSD_SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG (CHAR) \
|| (CHAR) == 'h' \
|| (CHAR) == 'z' /* ignored by ld */ \
|| (CHAR) == 'R')
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
/* This defines which multi-letter switches take arguments. */
#define FBSD_WORD_SWITCH_TAKES_ARG(STR) \
(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
|| !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \
|| !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \
|| !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker"))
#undef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
#if FBSD_MAJOR == 6
#define FBSD_CPP_PREDEFINES \
"-D__FreeBSD__=6 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
#endif
#if FBSD_MAJOR == 5
#define FBSD_CPP_PREDEFINES \
"-D__FreeBSD__=5 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
#endif
#if FBSD_MAJOR == 4
#define FBSD_CPP_PREDEFINES \
"-D__FreeBSD__=4 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
#endif
#if FBSD_MAJOR == 3
#define FBSD_CPP_PREDEFINES \
"-D__FreeBSD__=3 -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
#endif
#ifndef FBSD_CPP_PREDEFINES
#define FBSD_CPP_PREDEFINES \
"-D__FreeBSD__ -Dunix -D__ELF__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
#endif
#undef CPP_PREDEFINES
#define CPP_PREDEFINES FBSD_CPP_PREDEFINES
/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC
option `-posix', and PIC issues. */
#define FBSD_CPP_SPEC " \
%(cpp_cpu) \
%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
%{posix:-D_POSIX_SOURCE}"
#undef CPP_SPEC
#define CPP_SPEC FBSD_CPP_SPEC
/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
the magical crtbegin.o file (see crtstuff.c) which provides part
of the support for getting C++ file-scope static object constructed
before entering `main'. */
#define FBSD_STARTFILE_SPEC \
"%{!shared: \
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
%{!p:%{profile:gcrt1.o%s} \
%{!profile:crt1.o%s}}}} \
crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on
the magical crtend.o file (see crtstuff.c) which provides part of
the support for getting C++ file-scope static object constructed
before entering `main', followed by a normal "finalizer" file,
`crtn.o'. */
#define FBSD_ENDFILE_SPEC \
"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as
required by the user-land thread model. Before __FreeBSD_version
500016, select the appropriate libc, depending on whether we're
doing profiling or need threads support. At __FreeBSD_version
500016 and later, when threads support is requested include both
-lc and -lc_r instead of only -lc_r. To make matters interesting,
we can't actually use __FreeBSD_version provided by <osreldate.h>
directly since it breaks cross-compiling. As a final twist, make
it a hard error if -pthread is provided on the command line and gcc
was configured with --disable-threads (this will help avoid bug
reports from users complaining about threading when they
misconfigured the gcc bootstrap but are later consulting FreeBSD
manual pages that refer to the mythical -pthread option). */
/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate
libc, depending on whether we're doing profiling or need threads support.
(simular to the default, except no -lg, and no -p). */
#ifdef FBSD_NO_THREADS
#define FBSD_LIB_SPEC " \
%{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \
is built with the --enable-threads configure-time option.} \
%{!shared: \
%{!pg: -lc} \
%{pg: -lc_p} \
}"
#else
#if FBSD_MAJOR >= 5
#define FBSD_LIB_SPEC " \
%{!shared: \
%{!pg: %{pthread:-lc_r} -lc} \
%{pg: %{pthread:-lc_r_p} -lc_p} \
}"
#else
#define FBSD_LIB_SPEC " \
%{!shared: \
%{!pg: \
%{!pthread:-lc} \
%{pthread:-lc_r}} \
%{pg: \
%{!pthread:-lc_p} \
%{pthread:-lc_r_p}} \
}"
#endif
#endif
#undef LIB_SPEC
#define LIB_SPEC FBSD_LIB_SPEC
/************************[ Target stuff ]***********************************/
/* Don't assume anything about the header files. */
#undef NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C
/* Allow #sccs in preprocessor. */
#undef SCCS_DIRECTIVE
#define SCCS_DIRECTIVE
/* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...) */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_UNSIGNED
#define WCHAR_UNSIGNED 0
/* Code generation parameters. */
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions
(even though the SVR4 ABI for the i386 says that records and unions are
returned in memory). */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Use periods rather than dollar signs in special g++ assembler names.
This ensures the configuration knows our system correctly so we can link
with libraries compiled with the native cc. */
#undef NO_DOLLAR_IN_LABEL
/* The prefix to add to user-visible assembler symbols.
For System V Release 4 & ELF the convention is *not* to prepend a leading
underscore onto user-level symbol names. Some CPU files such as
config/sparc/sparc.h set this wrong for ELF. */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
/* Handle #pragma weak and #pragma pack. */
#undef HANDLE_SYSV_PRAGMA
#define HANDLE_SYSV_PRAGMA
/* Use more efficient ``thunks'' to implement C++ vtables. */
#undef DEFAULT_VTABLE_THUNKS
#define DEFAULT_VTABLE_THUNKS 1
/************************[ Assembler stuff ]********************************/
#undef IDENT_ASM_OP
#define IDENT_ASM_OP "\t.ident\t"
/* Output #ident as a .ident. */
#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) \
fprintf ((FILE), "%s\"%s\"\n", IDENT_ASM_OP, (NAME));
/************************[ Debugger stuff ]*********************************/
/* All ELF targets can support DWARF-2. */
#undef DWARF2_DEBUGGING_INFO
#define DWARF2_DEBUGGING_INFO
/* This is BSD, so we want the DBX format. */
#undef DBX_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO
/* Even though this is BSD, ELF and the GNU tools operates better with dwarf2
than stabs. Since we don't have any native tools to be compatible with,
defaulting to dwarf2 is OK. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
