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1/* Operating system specific defines to be used when targeting GCC for any
2 Solaris 2 system.
3 Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 3, or (at your option)
11any later version.
12
13GCC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3. If not see
20<http://www.gnu.org/licenses/>. */
21
22/* We are compiling for Solaris 2 now. */
23#define TARGET_SOLARIS 1
24
25/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */
26#undef WCHAR_TYPE
27#define WCHAR_TYPE "long int"
28
29#undef WCHAR_TYPE_SIZE
30#define WCHAR_TYPE_SIZE BITS_PER_WORD
31
32/* Solaris 2 uses a wint_t different from the default. This is required
33 by the SCD 2.4.1, p. 6-83, Figure 6-66. */
34#undef WINT_TYPE
35#define WINT_TYPE "long int"
36
37#undef WINT_TYPE_SIZE
38#define WINT_TYPE_SIZE BITS_PER_WORD
39
40#define SIG_ATOMIC_TYPE "int"
41
42/* ??? This definition of int8_t follows the system header but does
43 not conform to C99. Likewise int_fast8_t, int_least8_t. */
44#define INT8_TYPE "char"
45#define INT16_TYPE "short int"
46#define INT32_TYPE "int"
47#define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
48#define UINT8_TYPE "unsigned char"
49#define UINT16_TYPE "short unsigned int"
50#define UINT32_TYPE "unsigned int"
51#define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
52
53#define INT_LEAST8_TYPE "char"
54#define INT_LEAST16_TYPE "short int"
55#define INT_LEAST32_TYPE "int"
56#define INT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
57#define UINT_LEAST8_TYPE "unsigned char"
58#define UINT_LEAST16_TYPE "short unsigned int"
59#define UINT_LEAST32_TYPE "unsigned int"
60#define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
61
62#define INT_FAST8_TYPE "char"
63#define INT_FAST16_TYPE "int"
64#define INT_FAST32_TYPE "int"
65#define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
66#define UINT_FAST8_TYPE "unsigned char"
67#define UINT_FAST16_TYPE "unsigned int"
68#define UINT_FAST32_TYPE "unsigned int"
69#define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
70
71#define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
72#define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
73
74#undef CPP_SUBTARGET_SPEC
75#define CPP_SUBTARGET_SPEC "\
76%{pthreads|pthread:-D_REENTRANT -D_PTHREADS}"
77
78/* Names to predefine in the preprocessor for this target machine. */
79#define TARGET_SUB_OS_CPP_BUILTINS()
80#define TARGET_OS_CPP_BUILTINS() \
81 do { \
82 builtin_define_std ("unix"); \
83 builtin_define_std ("sun"); \
84 builtin_define ("__svr4__"); \
85 builtin_define ("__SVR4"); \
86 builtin_assert ("system=unix"); \
87 builtin_assert ("system=svr4"); \
88 /* For C++ we need to add some additional macro \
89 definitions required by the C++ standard \
90 library. */ \
91 if (c_dialect_cxx ()) \
92 { \
93 builtin_define ("__STDC_VERSION__=199901L");\
94 builtin_define ("_XOPEN_SOURCE=600"); \
95 builtin_define ("_LARGEFILE_SOURCE=1"); \
96 builtin_define ("_LARGEFILE64_SOURCE=1"); \
97 builtin_define ("__EXTENSIONS__"); \
98 } \
99 TARGET_SUB_OS_CPP_BUILTINS(); \
100 } while (0)
101
102/* It's safe to pass -s always, even if -g is not used. */
103#undef ASM_SPEC
104#define ASM_SPEC "\
105%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s \
106%{fpic|fpie|fPIC|fPIE:-K PIC} \
107%(asm_cpu) \
108"
109
110#undef LIB_SPEC
111#define LIB_SPEC \
112 "%{!symbolic:\
113 %{pthreads|pthread:" \
114 LIB_THREAD_LDFLAGS_SPEC " -lpthread " LIB_TLS_SPEC "} \
115 %{fprofile-generate*:" \
116 LIB_THREAD_LDFLAGS_SPEC " " LIB_TLS_SPEC "} \
117 %{p|pg:-ldl} -lc}"
118
119#ifndef CROSS_DIRECTORY_STRUCTURE
120#undef MD_EXEC_PREFIX
121#define MD_EXEC_PREFIX "/usr/ccs/bin/"
122
123#undef MD_STARTFILE_PREFIX
124#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
125#endif
126
127#undef STARTFILE_ARCH32_SPEC
128#define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \
129 %{!ansi:values-Xa.o%s}"
130
131#undef STARTFILE_ARCH_SPEC
132#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC
133
134/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */
135#undef STARTFILE_SPEC
136#define STARTFILE_SPEC "%{!shared: \
137 %{!symbolic: \
138 %{p:mcrt1.o%s} \
139 %{!p: \
140 %{pg:gcrt1.o%s gmon.o%s} \
141 %{!pg:crt1.o%s}}}} \
142 crti.o%s %(startfile_arch) \
143 crtbegin.o%s"
144
145#undef ENDFILE_SPEC
146#define ENDFILE_SPEC \
147 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
148 crtend.o%s crtn.o%s"
149
150#undef LINK_ARCH32_SPEC_BASE
151#define LINK_ARCH32_SPEC_BASE \
152 "%{G:-G} \
153 %{YP,*} \
154 %{R*} \
155 %{!YP,*:%{p|pg:-Y P,%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/lib:%R/usr/lib} \
156 %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/lib:%R/usr/lib}}}"
157
158#undef LINK_ARCH32_SPEC
159#define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE
160
161#undef LINK_ARCH_SPEC
162#define LINK_ARCH_SPEC LINK_ARCH32_SPEC
163
164#ifndef USE_GLD
165/* With Sun ld, -rdynamic is a no-op. */
166#define RDYNAMIC_SPEC ""
167#else
168/* GNU ld needs --export-dynamic to implement -rdynamic. */
169#define RDYNAMIC_SPEC "--export-dynamic"
170#endif
171
172#undef LINK_SPEC
173#define LINK_SPEC \
174 "%{h*} %{v:-V} \
175 %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \
176 %{static:-dn -Bstatic} \
177 %{shared:-G -dy %{!mimpure-text:-z text}} \
178 %{symbolic:-Bsymbolic -G -dy -z text} \
179 %(link_arch) \
180 %{Qy:} %{!Qn:-Qy}"
181
182#ifdef USE_GLD
183/* Solaris 11 build 135+ implements dl_iterate_phdr. GNU ld needs
184 --eh-frame-hdr to create the required .eh_frame_hdr sections. */
185#if defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
186#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
187#endif /* HAVE_LD_EH_FRAME && TARGET_DL_ITERATE_PHDR */
188#endif
189
190#ifndef USE_GLD
191/* The default MFLIB_SPEC is GNU ld specific. */
192#define MFLIB_SPEC ""
193#endif
194
195/* collect2.c can only parse GNU nm -n output. Solaris nm needs -png to
196 produce the same format. */
197#define NM_FLAGS "-png"
198\f
199/* The system headers under Solaris 2 are C++-aware since 2.0. */
200#define NO_IMPLICIT_EXTERN_C
201
202#define STDC_0_IN_SYSTEM_HEADERS 1
203
204/* Support Solaris-specific format checking for cmn_err. */
205#define TARGET_N_FORMAT_TYPES 1
206#define TARGET_FORMAT_TYPES solaris_format_types
207
208/* #pragma init and #pragma fini are implemented on top of init and
209 fini attributes. */
210#define SOLARIS_ATTRIBUTE_TABLE \
211 { "init", 0, 0, true, false, false, NULL, false }, \
212 { "fini", 0, 0, true, false, false, NULL, false }
213
214/* Solaris-specific #pragmas are implemented on top of attributes. Hook in
215 the bits from config/sol2.c. */
216#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
217#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
218
219/* Allow macro expansion in #pragma pack. */
220#define HANDLE_PRAGMA_PACK_WITH_EXPANSION
221
222/* Solaris/x86 as and gas support unquoted section names. */
223#define SECTION_NAME_FORMAT "%s"
224
225/* This is how to declare the size of a function. For Solaris, we output
226 any .init or .fini entries here. */
227#undef ASM_DECLARE_FUNCTION_SIZE
228#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
229 do \
230 { \
231 if (!flag_inhibit_size_directive) \
232 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
233 solaris_output_init_fini (FILE, DECL); \
234 } \
235 while (0)
236
237/* Solaris as has a bug: a .common directive in .tbss or .tdata section
238 behaves as .tls_common rather than normal non-TLS .common. */
239#undef ASM_OUTPUT_ALIGNED_COMMON
240#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
241 do \
242 { \
243 if (TARGET_SUN_TLS \
244 && in_section \
245 && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \
246 switch_to_section (bss_section); \
247 fprintf ((FILE), "%s", COMMON_ASM_OP); \
248 assemble_name ((FILE), (NAME)); \
249 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
250 (SIZE), (ALIGN) / BITS_PER_UNIT); \
251 } \
252 while (0)
253
254#ifndef USE_GAS
255#undef TARGET_ASM_ASSEMBLE_VISIBILITY
256#define TARGET_ASM_ASSEMBLE_VISIBILITY solaris_assemble_visibility
257
258#define AS_NEEDS_DASH_FOR_PIPED_INPUT
259
260/* The Solaris assembler cannot grok .stabd directives. */
261#undef NO_DBX_BNSYM_ENSYM
262#define NO_DBX_BNSYM_ENSYM 1
263#endif
264
265#ifndef USE_GLD
266/* The Solaris linker doesn't understand constructor priorities. */
267#undef SUPPORTS_INIT_PRIORITY
268#define SUPPORTS_INIT_PRIORITY 0
269#endif
270
271/* Solaris has an implementation of __enable_execute_stack. */
272#define HAVE_ENABLE_EXECUTE_STACK
273
274/* Static stack checking is supported by means of probes. */
275#define STACK_CHECK_STATIC_BUILTIN 1
276
277#define TARGET_POSIX_IO
278
279extern GTY(()) tree solaris_pending_aligns;
280extern GTY(()) tree solaris_pending_inits;
281extern GTY(()) tree solaris_pending_finis;
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