Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sol2.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 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 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 3, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 /* We use stabs-in-elf for debugging, because that is what the native | |
| 22 toolchain uses. */ | |
| 23 #undef PREFERRED_DEBUGGING_TYPE | |
| 24 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG | |
| 25 | |
| 26 /* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */ | |
| 27 #undef WCHAR_TYPE | |
| 28 #define WCHAR_TYPE "long int" | |
| 29 | |
| 30 #undef WCHAR_TYPE_SIZE | |
| 31 #define WCHAR_TYPE_SIZE BITS_PER_WORD | |
| 32 | |
| 33 /* Solaris 2 uses a wint_t different from the default. This is required | |
| 34 by the SCD 2.4.1, p. 6-83, Figure 6-66. */ | |
| 35 #undef WINT_TYPE | |
| 36 #define WINT_TYPE "long int" | |
| 37 | |
| 38 #undef WINT_TYPE_SIZE | |
| 39 #define WINT_TYPE_SIZE BITS_PER_WORD | |
| 40 | |
|
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41 #define SIG_ATOMIC_TYPE "int" |
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42 |
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43 /* ??? This definition of int8_t follows the system header but does |
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44 not conform to C99. Likewise int_fast8_t, int_least8_t. */ |
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45 #define INT8_TYPE "char" |
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46 #define INT16_TYPE "short int" |
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47 #define INT32_TYPE "int" |
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48 #define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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49 #define UINT8_TYPE "unsigned char" |
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50 #define UINT16_TYPE "short unsigned int" |
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51 #define UINT32_TYPE "unsigned int" |
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52 #define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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53 |
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54 #define INT_LEAST8_TYPE "char" |
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55 #define INT_LEAST16_TYPE "short int" |
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56 #define INT_LEAST32_TYPE "int" |
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57 #define INT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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58 #define UINT_LEAST8_TYPE "unsigned char" |
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59 #define UINT_LEAST16_TYPE "short unsigned int" |
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60 #define UINT_LEAST32_TYPE "unsigned int" |
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61 #define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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62 |
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63 #define INT_FAST8_TYPE "char" |
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64 #define INT_FAST16_TYPE "int" |
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65 #define INT_FAST32_TYPE "int" |
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77e2b8dfacca
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66 #define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") |
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77e2b8dfacca
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67 #define UINT_FAST8_TYPE "unsigned char" |
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68 #define UINT_FAST16_TYPE "unsigned int" |
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69 #define UINT_FAST32_TYPE "unsigned int" |
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70 #define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") |
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71 |
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72 #define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int") |
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73 #define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int") |
| 0 | 74 |
| 75 /* ??? Note: in order for -compat-bsd to work fully, | |
| 76 we must somehow arrange to fixincludes /usr/ucbinclude | |
| 77 and put the result in $(libsubdir)/ucbinclude. */ | |
| 78 | |
| 79 #undef CPP_SUBTARGET_SPEC | |
| 80 #define CPP_SUBTARGET_SPEC "\ | |
| 81 %{pthreads|pthread:-D_REENTRANT -D_PTHREADS} \ | |
| 82 %{!pthreads:%{!pthread:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}}} \ | |
| 83 %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \ | |
| 84 " | |
| 85 | |
| 86 /* Names to predefine in the preprocessor for this target machine. */ | |
| 87 #define TARGET_SUB_OS_CPP_BUILTINS() | |
| 88 #define TARGET_OS_CPP_BUILTINS() \ | |
| 89 do { \ | |
| 90 builtin_define_std ("unix"); \ | |
| 91 builtin_define_std ("sun"); \ | |
| 92 builtin_define ("__svr4__"); \ | |
| 93 builtin_define ("__SVR4"); \ | |
| 94 builtin_assert ("system=unix"); \ | |
| 95 builtin_assert ("system=svr4"); \ | |
| 96 /* For C++ we need to add some additional macro \ | |
| 97 definitions required by the C++ standard \ | |
| 98 library. */ \ | |
| 99 if (c_dialect_cxx ()) \ | |
| 100 { \ | |
| 101 builtin_define ("_XOPEN_SOURCE=500"); \ | |
| 102 builtin_define ("_LARGEFILE_SOURCE=1"); \ | |
| 103 builtin_define ("_LARGEFILE64_SOURCE=1"); \ | |
| 104 builtin_define ("__EXTENSIONS__"); \ | |
| 105 } \ | |
| 106 TARGET_SUB_OS_CPP_BUILTINS(); \ | |
| 107 } while (0) | |
| 108 | |
| 109 /* The system headers under Solaris 2 are C++-aware since 2.0. */ | |
| 110 #define NO_IMPLICIT_EXTERN_C | |
| 111 | |
| 112 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). | |
| 113 It's safe to pass -s always, even if -g is not used. */ | |
| 114 #undef ASM_SPEC | |
| 115 #define ASM_SPEC "\ | |
| 116 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ | |
| 117 %{fpic|fpie|fPIC|fPIE:-K PIC} \ | |
| 118 %(asm_cpu) \ | |
| 119 " | |
| 120 | |
| 121 /* We don't use the standard LIB_SPEC only because we don't yet support c++. */ | |
| 122 #undef LIB_SPEC | |
| 123 #define LIB_SPEC \ | |
| 124 "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ | |
| 125 %{!shared:\ | |
| 126 %{!symbolic:\ | |
| 127 %{pthreads|pthread:-lpthread} \ | |
| 128 %{!pthreads:%{!pthread:%{threads:-lthread}}} \ | |
| 129 %{p|pg:-ldl} -lc}}" | |
| 130 | |
| 131 #undef ENDFILE_SPEC | |
| 132 #define ENDFILE_SPEC "crtend.o%s crtn.o%s" | |
| 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 STARTFILE_ARCH32_SPEC | |
| 146 #define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \ | |
| 147 %{!ansi:values-Xa.o%s}" | |
| 148 | |
| 149 #undef STARTFILE_ARCH_SPEC | |
| 150 #define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC | |
| 151 | |
| 152 #undef LINK_ARCH32_SPEC_BASE | |
| 153 #define LINK_ARCH32_SPEC_BASE \ | |
| 154 "%{G:-G} \ | |
| 155 %{YP,*} \ | |
| 156 %{R*} \ | |
| 157 %{compat-bsd: \ | |
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158 %{!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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159 %{!p:%{!pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib:%R/usr/lib}}} \ |
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160 -R %R/usr/ucblib} \ |
| 0 | 161 %{!compat-bsd: \ |
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162 %{!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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163 %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/usr/lib}}}}" |
| 0 | 164 |
| 165 #undef LINK_ARCH32_SPEC | |
| 166 #define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE | |
| 167 | |
| 168 #undef LINK_ARCH_SPEC | |
| 169 #define LINK_ARCH_SPEC LINK_ARCH32_SPEC | |
| 170 | |
| 171 /* This should be the same as in svr4.h, except with -R added. */ | |
| 172 #undef LINK_SPEC | |
| 173 #define LINK_SPEC \ | |
| 174 "%{h*} %{v:-V} \ | |
| 175 %{b} \ | |
| 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 /* The Solaris linker doesn't understand constructor priorities. (The | |
| 183 GNU linker does support constructor priorities, so GNU ld | |
| 184 configuration files for Solaris override this setting.) */ | |
| 185 #undef SUPPORTS_INIT_PRIORITY | |
| 186 #define SUPPORTS_INIT_PRIORITY 0 | |
| 187 | |
| 188 /* This defines which switch letters take arguments. | |
| 189 It is as in svr4.h but with -R added. */ | |
| 190 #undef SWITCH_TAKES_ARG | |
| 191 #define SWITCH_TAKES_ARG(CHAR) \ | |
| 192 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ | |
| 193 || (CHAR) == 'R' \ | |
| 194 || (CHAR) == 'h' \ | |
| 195 || (CHAR) == 'z') | |
| 196 | |
| 197 #define STDC_0_IN_SYSTEM_HEADERS 1 | |
| 198 | |
| 199 /* | |
| 200 * Attempt to turn on access permissions for the stack. | |
| 201 * | |
| 202 * _SC_STACK_PROT is only defined for post 2.6, but we want this code | |
| 203 * to run always. 2.6 can change the stack protection but has no way to | |
| 204 * query it. | |
| 205 * | |
| 206 */ | |
| 207 | |
| 208 /* sys/mman.h is not present on some non-Solaris configurations | |
| 209 that use sol2.h, so ENABLE_EXECUTE_STACK must use a magic | |
| 210 number instead of the appropriate PROT_* flags. */ | |
| 211 | |
| 212 #define ENABLE_EXECUTE_STACK \ | |
| 213 \ | |
| 214 /* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \ | |
| 215 \ | |
| 216 static int need_enable_exec_stack; \ | |
| 217 \ | |
| 218 static void check_enabling(void) __attribute__ ((constructor)); \ | |
| 219 static void check_enabling(void) \ | |
| 220 { \ | |
| 221 extern long sysconf(int); \ | |
| 222 \ | |
| 223 int prot = (int) sysconf(515 /* _SC_STACK_PROT */); \ | |
| 224 if (prot != 7 /* STACK_PROT_RWX */) \ | |
| 225 need_enable_exec_stack = 1; \ | |
| 226 } \ | |
| 227 \ | |
| 228 extern void __enable_execute_stack (void *); \ | |
| 229 void \ | |
| 230 __enable_execute_stack (void *addr) \ | |
| 231 { \ | |
| 232 extern int mprotect(void *, size_t, int); \ | |
| 233 if (!need_enable_exec_stack) \ | |
| 234 return; \ | |
| 235 else { \ | |
| 236 long size = getpagesize (); \ | |
| 237 long mask = ~(size-1); \ | |
| 238 char *page = (char *) (((long) addr) & mask); \ | |
| 239 char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ | |
| 240 \ | |
| 241 if (mprotect (page, end - page, 7 /* STACK_PROT_RWX */) < 0) \ | |
| 242 perror ("mprotect of trampoline code"); \ | |
| 243 } \ | |
| 244 } | |
| 245 | |
| 246 /* Support Solaris-specific format checking for cmn_err. */ | |
| 247 #define TARGET_N_FORMAT_TYPES 1 | |
| 248 #define TARGET_FORMAT_TYPES solaris_format_types | |
| 249 | |
| 250 /* #pragma init and #pragma fini are implemented on top of init and | |
| 251 fini attributes. */ | |
| 252 #define SOLARIS_ATTRIBUTE_TABLE \ | |
| 253 { "init", 0, 0, true, false, false, NULL }, \ | |
| 254 { "fini", 0, 0, true, false, false, NULL } | |
| 255 | |
| 256 /* This is how to declare the size of a function. For Solaris, we output | |
| 257 any .init or .fini entries here. */ | |
| 258 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 259 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 260 do \ | |
| 261 { \ | |
| 262 if (!flag_inhibit_size_directive) \ | |
| 263 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 264 solaris_output_init_fini (FILE, DECL); \ | |
| 265 } \ | |
| 266 while (0) | |
| 267 | |
| 268 extern GTY(()) tree solaris_pending_aligns; | |
| 269 extern GTY(()) tree solaris_pending_inits; | |
| 270 extern GTY(()) tree solaris_pending_finis; | |
| 271 | |
| 272 /* Allow macro expansion in #pragma pack. */ | |
| 273 #define HANDLE_PRAGMA_PACK_WITH_EXPANSION |