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
|
/* Operating system specific defines to be used when targeting GCC for any
Solaris 2 system.
Copyright 2002 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. */
/* We use stabs-in-elf for debugging, because that is what the native
toolchain uses. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
/* 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 BITS_PER_WORD
/* 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 BITS_PER_WORD
#define HANDLE_PRAGMA_REDEFINE_EXTNAME 1
/* ??? 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 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} \
"
/* Names to predefine in the preprocessor for this target machine. */
#define TARGET_OS_CPP_BUILTINS() \
do { \
builtin_define_std ("unix"); \
builtin_define_std ("sun"); \
builtin_define ("__svr4__"); \
builtin_define ("__SVR4"); \
builtin_define ("__PRAGMA_REDEFINE_EXTNAME"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=svr4"); \
/* For C++ we need to add some additional macro \
definitions required by the C++ standard \
library. */ \
if (c_language == clk_cplusplus) \
{ \
builtin_define ("_XOPEN_SOURCE=500"); \
builtin_define ("_LARGEFILE_SOURCE=1"); \
builtin_define ("_LARGEFILE64_SOURCE=1"); \
builtin_define ("__EXTENSIONS__"); \
} \
} while (0)
/* 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) \
"
/* We don't use the standard LIB_SPEC only because we don't yet support c++. */
#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 "crtend.o%s crtn.o%s"
/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */
#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 %(startfile_arch) \
crtbegin.o%s"
#undef STARTFILE_ARCH32_SPEC
#define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \
%{!ansi:values-Xa.o%s}"
#undef STARTFILE_ARCH_SPEC
#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC
#undef LINK_ARCH32_SPEC
#define LINK_ARCH32_SPEC \
"%{G:-G} \
%{YP,*} \
%{R*} \
%{compat-bsd: \
%{!YP,*:%{p|pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!p:%{!pg:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
-R /usr/ucblib} \
%{!compat-bsd: \
%{!YP,*:%{p|pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!p:%{!pg:-Y P,/usr/ccs/lib:/usr/lib}}}}"
#undef LINK_ARCH_SPEC
#define LINK_ARCH_SPEC LINK_ARCH32_SPEC
/* 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} \
%(link_arch) \
%{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) == 'z')
#define STDC_0_IN_SYSTEM_HEADERS 1
/*
* 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-bit 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 \
\
/* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \
\
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 /* STACK_PROT_RWX */) \
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); \
\
if (mprotect (page, end - page, 7 /* STACK_PROT_RWX */) < 0) \
perror ("mprotect of trampoline code"); \
} \
}
|
