Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sol2.h @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
parents | 77e2b8dfacca |
children | f6334be47118 |
rev | line source |
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0 | 1 /* Operating system specific defines to be used when targeting GCC for any |
2 Solaris 2 system. | |
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3 Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010 |
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4 Free Software Foundation, Inc. |
0 | 5 |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation; either version 3, or (at your option) | |
11 any later version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 /* We use stabs-in-elf for debugging, because that is what the native | |
23 toolchain uses. */ | |
24 #undef PREFERRED_DEBUGGING_TYPE | |
25 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG | |
26 | |
27 /* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */ | |
28 #undef WCHAR_TYPE | |
29 #define WCHAR_TYPE "long int" | |
30 | |
31 #undef WCHAR_TYPE_SIZE | |
32 #define WCHAR_TYPE_SIZE BITS_PER_WORD | |
33 | |
34 /* Solaris 2 uses a wint_t different from the default. This is required | |
35 by the SCD 2.4.1, p. 6-83, Figure 6-66. */ | |
36 #undef WINT_TYPE | |
37 #define WINT_TYPE "long int" | |
38 | |
39 #undef WINT_TYPE_SIZE | |
40 #define WINT_TYPE_SIZE BITS_PER_WORD | |
41 | |
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42 #define SIG_ATOMIC_TYPE "int" |
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43 |
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44 /* ??? This definition of int8_t follows the system header but does |
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45 not conform to C99. Likewise int_fast8_t, int_least8_t. */ |
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46 #define INT8_TYPE "char" |
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47 #define INT16_TYPE "short int" |
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48 #define INT32_TYPE "int" |
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49 #define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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50 #define UINT8_TYPE "unsigned char" |
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51 #define UINT16_TYPE "short unsigned int" |
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52 #define UINT32_TYPE "unsigned int" |
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53 #define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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54 |
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55 #define INT_LEAST8_TYPE "char" |
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56 #define INT_LEAST16_TYPE "short int" |
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57 #define INT_LEAST32_TYPE "int" |
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58 #define INT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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59 #define UINT_LEAST8_TYPE "unsigned char" |
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60 #define UINT_LEAST16_TYPE "short unsigned int" |
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61 #define UINT_LEAST32_TYPE "unsigned int" |
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62 #define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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63 |
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64 #define INT_FAST8_TYPE "char" |
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65 #define INT_FAST16_TYPE "int" |
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66 #define INT_FAST32_TYPE "int" |
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67 #define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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68 #define UINT_FAST8_TYPE "unsigned char" |
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69 #define UINT_FAST16_TYPE "unsigned int" |
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70 #define UINT_FAST32_TYPE "unsigned int" |
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71 #define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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72 |
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73 #define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int") |
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74 #define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int") |
0 | 75 |
76 /* ??? Note: in order for -compat-bsd to work fully, | |
77 we must somehow arrange to fixincludes /usr/ucbinclude | |
78 and put the result in $(libsubdir)/ucbinclude. */ | |
79 | |
80 #undef CPP_SUBTARGET_SPEC | |
81 #define CPP_SUBTARGET_SPEC "\ | |
82 %{pthreads|pthread:-D_REENTRANT -D_PTHREADS} \ | |
83 %{!pthreads:%{!pthread:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}}} \ | |
84 %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \ | |
85 " | |
86 | |
87 /* Names to predefine in the preprocessor for this target machine. */ | |
88 #define TARGET_SUB_OS_CPP_BUILTINS() | |
89 #define TARGET_OS_CPP_BUILTINS() \ | |
90 do { \ | |
91 builtin_define_std ("unix"); \ | |
92 builtin_define_std ("sun"); \ | |
93 builtin_define ("__svr4__"); \ | |
94 builtin_define ("__SVR4"); \ | |
95 builtin_assert ("system=unix"); \ | |
96 builtin_assert ("system=svr4"); \ | |
97 /* For C++ we need to add some additional macro \ | |
98 definitions required by the C++ standard \ | |
99 library. */ \ | |
100 if (c_dialect_cxx ()) \ | |
101 { \ | |
102 builtin_define ("_XOPEN_SOURCE=500"); \ | |
103 builtin_define ("_LARGEFILE_SOURCE=1"); \ | |
104 builtin_define ("_LARGEFILE64_SOURCE=1"); \ | |
105 builtin_define ("__EXTENSIONS__"); \ | |
106 } \ | |
107 TARGET_SUB_OS_CPP_BUILTINS(); \ | |
108 } while (0) | |
109 | |
110 /* The system headers under Solaris 2 are C++-aware since 2.0. */ | |
111 #define NO_IMPLICIT_EXTERN_C | |
112 | |
113 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). | |
114 It's safe to pass -s always, even if -g is not used. */ | |
115 #undef ASM_SPEC | |
116 #define ASM_SPEC "\ | |
117 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ | |
118 %{fpic|fpie|fPIC|fPIE:-K PIC} \ | |
119 %(asm_cpu) \ | |
120 " | |
121 | |
122 /* We don't use the standard LIB_SPEC only because we don't yet support c++. */ | |
123 #undef LIB_SPEC | |
124 #define LIB_SPEC \ | |
125 "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ | |
126 %{!shared:\ | |
127 %{!symbolic:\ | |
128 %{pthreads|pthread:-lpthread} \ | |
129 %{!pthreads:%{!pthread:%{threads:-lthread}}} \ | |
130 %{p|pg:-ldl} -lc}}" | |
131 | |
132 #undef ENDFILE_SPEC | |
133 #define ENDFILE_SPEC "crtend.o%s crtn.o%s" | |
134 | |
135 /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */ | |
136 #undef STARTFILE_SPEC | |
137 #define STARTFILE_SPEC "%{!shared: \ | |
138 %{!symbolic: \ | |
139 %{p:mcrt1.o%s} \ | |
140 %{!p: \ | |
141 %{pg:gcrt1.o%s gmon.o%s} \ | |
142 %{!pg:crt1.o%s}}}} \ | |
143 crti.o%s %(startfile_arch) \ | |
144 crtbegin.o%s" | |
145 | |
146 #undef STARTFILE_ARCH32_SPEC | |
147 #define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \ | |
148 %{!ansi:values-Xa.o%s}" | |
149 | |
150 #undef STARTFILE_ARCH_SPEC | |
151 #define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC | |
152 | |
153 #undef LINK_ARCH32_SPEC_BASE | |
154 #define LINK_ARCH32_SPEC_BASE \ | |
155 "%{G:-G} \ | |
156 %{YP,*} \ | |
157 %{R*} \ | |
158 %{compat-bsd: \ | |
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159 %{!YP,*:%{p|pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/usr/lib} \ |
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160 %{!p:%{!pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib:%R/usr/lib}}} \ |
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161 -R %R/usr/ucblib} \ |
0 | 162 %{!compat-bsd: \ |
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163 %{!YP,*:%{p|pg:-Y P,%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/usr/lib} \ |
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164 %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/usr/lib}}}}" |
0 | 165 |
166 #undef LINK_ARCH32_SPEC | |
167 #define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE | |
168 | |
169 #undef LINK_ARCH_SPEC | |
170 #define LINK_ARCH_SPEC LINK_ARCH32_SPEC | |
171 | |
172 /* This should be the same as in svr4.h, except with -R added. */ | |
173 #undef LINK_SPEC | |
174 #define LINK_SPEC \ | |
175 "%{h*} %{v:-V} \ | |
176 %{b} \ | |
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177 %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \ |
0 | 178 %{static:-dn -Bstatic} \ |
179 %{shared:-G -dy %{!mimpure-text:-z text}} \ | |
180 %{symbolic:-Bsymbolic -G -dy -z text} \ | |
181 %(link_arch) \ | |
182 %{Qy:} %{!Qn:-Qy}" | |
183 | |
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184 /* With Sun ld, -rdynamic is a no-op. */ |
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185 #define RDYNAMIC_SPEC "" |
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186 |
0 | 187 /* The Solaris linker doesn't understand constructor priorities. (The |
188 GNU linker does support constructor priorities, so GNU ld | |
189 configuration files for Solaris override this setting.) */ | |
190 #undef SUPPORTS_INIT_PRIORITY | |
191 #define SUPPORTS_INIT_PRIORITY 0 | |
192 | |
193 /* This defines which switch letters take arguments. | |
194 It is as in svr4.h but with -R added. */ | |
195 #undef SWITCH_TAKES_ARG | |
196 #define SWITCH_TAKES_ARG(CHAR) \ | |
197 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ | |
198 || (CHAR) == 'R' \ | |
199 || (CHAR) == 'h' \ | |
200 || (CHAR) == 'z') | |
201 | |
202 #define STDC_0_IN_SYSTEM_HEADERS 1 | |
203 | |
204 /* | |
205 * Attempt to turn on access permissions for the stack. | |
206 * | |
207 * _SC_STACK_PROT is only defined for post 2.6, but we want this code | |
208 * to run always. 2.6 can change the stack protection but has no way to | |
209 * query it. | |
210 * | |
211 */ | |
212 | |
213 /* sys/mman.h is not present on some non-Solaris configurations | |
214 that use sol2.h, so ENABLE_EXECUTE_STACK must use a magic | |
215 number instead of the appropriate PROT_* flags. */ | |
216 | |
217 #define ENABLE_EXECUTE_STACK \ | |
218 \ | |
219 /* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \ | |
220 \ | |
221 static int need_enable_exec_stack; \ | |
222 \ | |
223 static void check_enabling(void) __attribute__ ((constructor)); \ | |
224 static void check_enabling(void) \ | |
225 { \ | |
226 extern long sysconf(int); \ | |
227 \ | |
228 int prot = (int) sysconf(515 /* _SC_STACK_PROT */); \ | |
229 if (prot != 7 /* STACK_PROT_RWX */) \ | |
230 need_enable_exec_stack = 1; \ | |
231 } \ | |
232 \ | |
233 extern void __enable_execute_stack (void *); \ | |
234 void \ | |
235 __enable_execute_stack (void *addr) \ | |
236 { \ | |
237 extern int mprotect(void *, size_t, int); \ | |
238 if (!need_enable_exec_stack) \ | |
239 return; \ | |
240 else { \ | |
241 long size = getpagesize (); \ | |
242 long mask = ~(size-1); \ | |
243 char *page = (char *) (((long) addr) & mask); \ | |
244 char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ | |
245 \ | |
246 if (mprotect (page, end - page, 7 /* STACK_PROT_RWX */) < 0) \ | |
247 perror ("mprotect of trampoline code"); \ | |
248 } \ | |
249 } | |
250 | |
251 /* Support Solaris-specific format checking for cmn_err. */ | |
252 #define TARGET_N_FORMAT_TYPES 1 | |
253 #define TARGET_FORMAT_TYPES solaris_format_types | |
254 | |
255 /* #pragma init and #pragma fini are implemented on top of init and | |
256 fini attributes. */ | |
257 #define SOLARIS_ATTRIBUTE_TABLE \ | |
258 { "init", 0, 0, true, false, false, NULL }, \ | |
259 { "fini", 0, 0, true, false, false, NULL } | |
260 | |
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261 /* Solaris/x86 as and gas support the common ELF .section/.pushsection |
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262 syntax. */ |
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263 #define PUSHSECTION_FORMAT "\t.pushsection\t%s\n" |
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264 |
0 | 265 /* This is how to declare the size of a function. For Solaris, we output |
266 any .init or .fini entries here. */ | |
267 #undef ASM_DECLARE_FUNCTION_SIZE | |
268 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
269 do \ | |
270 { \ | |
271 if (!flag_inhibit_size_directive) \ | |
272 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
273 solaris_output_init_fini (FILE, DECL); \ | |
274 } \ | |
275 while (0) | |
276 | |
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277 /* Solaris 'as' has a bug: a .common directive in .tbss section |
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278 behaves as .tls_common rather than normal non-TLS .common. */ |
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279 #undef ASM_OUTPUT_ALIGNED_COMMON |
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280 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ |
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281 do \ |
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282 { \ |
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283 if (TARGET_SUN_TLS \ |
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284 && in_section \ |
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285 && ((in_section->common.flags & (SECTION_TLS | SECTION_BSS)) \ |
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286 == (SECTION_TLS | SECTION_BSS))) \ |
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287 switch_to_section (bss_section); \ |
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288 fprintf ((FILE), "%s", COMMON_ASM_OP); \ |
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289 assemble_name ((FILE), (NAME)); \ |
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290 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ |
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291 (SIZE), (ALIGN) / BITS_PER_UNIT); \ |
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292 } \ |
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293 while (0) |
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294 |
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295 #ifndef USE_GAS |
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296 #undef TARGET_ASM_ASSEMBLE_VISIBILITY |
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297 #define TARGET_ASM_ASSEMBLE_VISIBILITY solaris_assemble_visibility |
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298 #endif |
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299 |
0 | 300 extern GTY(()) tree solaris_pending_aligns; |
301 extern GTY(()) tree solaris_pending_inits; | |
302 extern GTY(()) tree solaris_pending_finis; | |
303 | |
304 /* Allow macro expansion in #pragma pack. */ | |
305 #define HANDLE_PRAGMA_PACK_WITH_EXPANSION |