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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@netcom.com).
Additional changes by David V. Henkel-Wallace (gumby@cygnus.com).
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. */
/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Solaris 2 uses a wint_t different from the default. This is required
by the SCD 2.4.1, p. 6-83, Figure 6-66. */
#undef WINT_TYPE
#define WINT_TYPE "long int"
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE 32
#define HANDLE_PRAGMA_REDEFINE_EXTNAME 1
#undef CPP_PREDEFINES
#define CPP_PREDEFINES \
"-Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 -D__PRAGMA_REDEFINE_EXTNAME \
-Asystem=unix -Asystem=svr4"
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "\
%{pthreads:-D_REENTRANT -D_PTHREADS} \
%{!pthreads:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}} \
%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \
"
/* For C++ we need to add some additional macro definitions required
by the C++ standard library. */
#define CPLUSPLUS_CPP_SPEC "\
-D_XOPEN_SOURCE=500 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 \
-D__EXTENSIONS__ \
%(cpp) \
"
/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
It's safe to pass -s always, even if -g is not used. */
#undef ASM_SPEC
#define ASM_SPEC "\
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
%{fpic:-K PIC} %{fPIC:-K PIC} \
%(asm_cpu) \
"
/* This is here rather than in sparc.h because it's not known what
other assemblers will accept. */
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus"
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa"
#endif
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "\
%{mcpu=v8plus:-xarch=v8plus} \
%{mcpu=v9:-xarch=v8plus} \
%{mcpu=ultrasparc:-xarch=v8plusa} \
%{!mcpu*:%(asm_cpu_default)} \
"
/* However it appears that Solaris 2.0 uses the same reg numbering as
the old BSD-style system did. */
/* Same as sparc.h */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) \
(TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
/* We use stabs-in-elf by default, because that is what the native
toolchain uses. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "\t.skip %u\n", (SIZE))
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* This is how to output a definition of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
#undef ASM_OUTPUT_INTERNAL_LABEL
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
/* This is how to output a reference to an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
#undef ASM_OUTPUT_INTERNAL_LABELREF
#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
fprintf (FILE, ".L%s%d", PREFIX, NUM)
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us.
We don't use the standard LIB_SPEC only because we don't yet support c++ */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared: \
%{!symbolic: \
%{p:mcrt1.o%s} \
%{!p: \
%{pg:gcrt1.o%s gmon.o%s} \
%{!pg:crt1.o%s}}}} \
crti.o%s \
%{ansi:values-Xc.o%s} \
%{!ansi: \
%{traditional:values-Xt.o%s} \
%{!traditional:values-Xa.o%s}} \
crtbegin.o%s"
/* ??? Note: in order for -compat-bsd to work fully,
we must somehow arrange to fixincludes /usr/ucbinclude
and put the result in $(libsubdir)/ucbinclude. */
#undef LIB_SPEC
#define LIB_SPEC \
"%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \
%{!shared:\
%{!symbolic:\
%{pthreads:-lpthread} \
%{!pthreads:%{threads:-lthread}} \
%{p|pg:-ldl} -lc}}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
crtend.o%s crtn.o%s"
/* This should be the same as in svr4.h, except with -R added. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{h*} %{v:-V} \
%{b} %{Wl,*:%*} \
%{static:-dn -Bstatic} \
%{shared:-G -dy %{!mimpure-text:-z text}} \
%{symbolic:-Bsymbolic -G -dy -z text} \
%{G:-G} \
%{YP,*} \
%{R*} \
%{compat-bsd: \
%{!YP,*:%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!pg:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
-R /usr/ucblib} \
%{!compat-bsd: \
%{!YP,*:%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!pg:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!p:-Y P,/usr/ccs/lib:/usr/lib}}}} \
%{Qy:} %{!Qn:-Qy}"
/* This defines which switch letters take arguments.
It is as in svr4.h but with -R added. */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
|| (CHAR) == 'R' \
|| (CHAR) == 'h' \
|| (CHAR) == 'x' \
|| (CHAR) == 'z')
/* Select a format to encode pointers in exception handling data. CODE
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
true if the symbol may be affected by dynamic relocations.
Some Solaris dynamic linkers don't handle unaligned section relative
relocs properly, so force them to be aligned. */
#ifndef HAVE_AS_SPARC_UA_PCREL
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
#endif
/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
Instead, it is enabled here, because it does work under Solaris. */
/* Define for support of TFmode long double and REAL_ARITHMETIC.
Sparc ABI says that long double is 4 words. */
#define LONG_DOUBLE_TYPE_SIZE 128
/* But indicate that it isn't supported by the hardware. */
#define WIDEST_HARDWARE_FP_SIZE 64
#define STDC_0_IN_SYSTEM_HEADERS 1
#define MULDI3_LIBCALL "__mul64"
#define DIVDI3_LIBCALL "__div64"
#define UDIVDI3_LIBCALL "__udiv64"
#define MODDI3_LIBCALL "__rem64"
#define UMODDI3_LIBCALL "__urem64"
/* Solaris's _Qp_* library routine implementation clobbers the output
memory before the inputs are fully consumed. */
#undef TARGET_BUGGY_QP_LIB
#define TARGET_BUGGY_QP_LIB 1
#undef INIT_SUBTARGET_OPTABS
#define INIT_SUBTARGET_OPTABS \
fixsfdi_libfunc \
= init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \
fixunssfdi_libfunc \
= init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \
fixdfdi_libfunc \
= init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \
fixunsdfdi_libfunc \
= init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull")
/* Solaris allows 64 bit out and global registers in 32 bit mode.
sparc_override_options will disable V8+ if not generating V9 code. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_FPU + MASK_V8PLUS + MASK_LONG_DOUBLE_128)
/*
* Attempt to turn on access permissions for the stack.
*
* This code must be defined when compiling gcc but not when compiling
* libgcc2.a, unless we're generating code for 64 bits SPARC
*
* _SC_STACK_PROT is only defined for post 2.6, but we want this code
* to run always. 2.6 can change the stack protection but has no way to
* query it.
*
*/
/* This declares mprotect (used in TRANSFER_FROM_TRAMPOLINE) for
libgcc2.c. */
/* We don't want to include this because sys/mman.h is not present on
some non-Solaris configurations that use sol2.h. */
#if 0 /* def L_trampoline */
#include <sys/mman.h>
#endif
#define TRANSFER_FROM_TRAMPOLINE \
static int need_enable_exec_stack; \
\
static void check_enabling(void) __attribute__ ((constructor)); \
static void check_enabling(void) \
{ \
extern long sysconf(int); \
\
int prot = (int) sysconf(515 /*_SC_STACK_PROT */); \
if (prot != 7) \
need_enable_exec_stack = 1; \
} \
\
extern void __enable_execute_stack (void *); \
void \
__enable_execute_stack (addr) \
void *addr; \
{ \
if (!need_enable_exec_stack) \
return; \
else { \
long size = getpagesize (); \
long mask = ~(size-1); \
char *page = (char *) (((long) addr) & mask); \
char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \
\
/* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \
if (mprotect (page, end - page, 7) < 0) \
perror ("mprotect of trampoline code"); \
} \
}
|
