Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sol2.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 04ced10e8804 |
| 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, 2010, 2011 |
|
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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 { \ | |
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102 builtin_define ("__STDC_VERSION__=199901L");\ |
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103 builtin_define ("_XOPEN_SOURCE=600"); \ |
| 0 | 104 builtin_define ("_LARGEFILE_SOURCE=1"); \ |
| 105 builtin_define ("_LARGEFILE64_SOURCE=1"); \ | |
| 106 builtin_define ("__EXTENSIONS__"); \ | |
| 107 } \ | |
| 108 TARGET_SUB_OS_CPP_BUILTINS(); \ | |
| 109 } while (0) | |
| 110 | |
| 111 /* The system headers under Solaris 2 are C++-aware since 2.0. */ | |
| 112 #define NO_IMPLICIT_EXTERN_C | |
| 113 | |
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114 /* It's safe to pass -s always, even if -g is not used. */ |
| 0 | 115 #undef ASM_SPEC |
| 116 #define ASM_SPEC "\ | |
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117 %{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s \ |
| 0 | 118 %{fpic|fpie|fPIC|fPIE:-K PIC} \ |
| 119 %(asm_cpu) \ | |
| 120 " | |
| 121 | |
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122 #ifndef CROSS_DIRECTORY_STRUCTURE |
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123 #undef MD_EXEC_PREFIX |
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124 #define MD_EXEC_PREFIX "/usr/ccs/bin/" |
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125 |
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126 #undef MD_STARTFILE_PREFIX |
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127 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/" |
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128 #endif |
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129 |
| 0 | 130 /* We don't use the standard LIB_SPEC only because we don't yet support c++. */ |
| 131 #undef LIB_SPEC | |
| 132 #define LIB_SPEC \ | |
| 133 "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ | |
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134 %{!symbolic:\ |
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135 %{pthreads|pthread:" \ |
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136 LIB_THREAD_LDFLAGS_SPEC " -lpthread " LIB_TLS_SPEC "} \ |
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137 %{!pthreads:%{!pthread:%{threads:" \ |
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138 LIB_THREAD_LDFLAGS_SPEC " -lthread}}} \ |
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139 %{p|pg:-ldl} -lc}" |
| 0 | 140 |
| 141 #undef ENDFILE_SPEC | |
| 142 #define ENDFILE_SPEC "crtend.o%s crtn.o%s" | |
| 143 | |
| 144 /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */ | |
| 145 #undef STARTFILE_SPEC | |
| 146 #define STARTFILE_SPEC "%{!shared: \ | |
| 147 %{!symbolic: \ | |
| 148 %{p:mcrt1.o%s} \ | |
| 149 %{!p: \ | |
| 150 %{pg:gcrt1.o%s gmon.o%s} \ | |
| 151 %{!pg:crt1.o%s}}}} \ | |
| 152 crti.o%s %(startfile_arch) \ | |
| 153 crtbegin.o%s" | |
| 154 | |
| 155 #undef STARTFILE_ARCH32_SPEC | |
| 156 #define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \ | |
| 157 %{!ansi:values-Xa.o%s}" | |
| 158 | |
| 159 #undef STARTFILE_ARCH_SPEC | |
| 160 #define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC | |
| 161 | |
| 162 #undef LINK_ARCH32_SPEC_BASE | |
| 163 #define LINK_ARCH32_SPEC_BASE \ | |
| 164 "%{G:-G} \ | |
| 165 %{YP,*} \ | |
| 166 %{R*} \ | |
| 167 %{compat-bsd: \ | |
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168 %{!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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169 %{!p:%{!pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib:%R/usr/lib}}} \ |
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170 -R %R/usr/ucblib} \ |
| 0 | 171 %{!compat-bsd: \ |
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172 %{!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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173 %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/usr/lib}}}}" |
| 0 | 174 |
| 175 #undef LINK_ARCH32_SPEC | |
| 176 #define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE | |
| 177 | |
| 178 #undef LINK_ARCH_SPEC | |
| 179 #define LINK_ARCH_SPEC LINK_ARCH32_SPEC | |
| 180 | |
| 181 #undef LINK_SPEC | |
| 182 #define LINK_SPEC \ | |
| 183 "%{h*} %{v:-V} \ | |
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184 %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \ |
| 0 | 185 %{static:-dn -Bstatic} \ |
| 186 %{shared:-G -dy %{!mimpure-text:-z text}} \ | |
| 187 %{symbolic:-Bsymbolic -G -dy -z text} \ | |
| 188 %(link_arch) \ | |
| 189 %{Qy:} %{!Qn:-Qy}" | |
| 190 | |
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191 /* With Sun ld, -rdynamic is a no-op. */ |
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192 #define RDYNAMIC_SPEC "" |
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193 |
| 0 | 194 /* The Solaris linker doesn't understand constructor priorities. (The |
| 195 GNU linker does support constructor priorities, so GNU ld | |
| 196 configuration files for Solaris override this setting.) */ | |
| 197 #undef SUPPORTS_INIT_PRIORITY | |
| 198 #define SUPPORTS_INIT_PRIORITY 0 | |
| 199 | |
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200 /* collect2.c can only parse GNU nm -n output. Solaris nm needs -png to |
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201 produce the same format. */ |
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202 #define NM_FLAGS "-png" |
| 0 | 203 |
| 204 #define STDC_0_IN_SYSTEM_HEADERS 1 | |
| 205 | |
| 206 /* | |
| 207 * Attempt to turn on access permissions for the stack. | |
| 208 * | |
| 209 * _SC_STACK_PROT is only defined for post 2.6, but we want this code | |
| 210 * to run always. 2.6 can change the stack protection but has no way to | |
| 211 * query it. | |
| 212 * | |
| 213 */ | |
| 214 | |
| 215 /* sys/mman.h is not present on some non-Solaris configurations | |
| 216 that use sol2.h, so ENABLE_EXECUTE_STACK must use a magic | |
| 217 number instead of the appropriate PROT_* flags. */ | |
| 218 | |
| 219 #define ENABLE_EXECUTE_STACK \ | |
| 220 \ | |
| 221 /* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \ | |
| 222 \ | |
| 223 static int need_enable_exec_stack; \ | |
| 224 \ | |
| 225 static void check_enabling(void) __attribute__ ((constructor)); \ | |
| 226 static void check_enabling(void) \ | |
| 227 { \ | |
| 228 extern long sysconf(int); \ | |
| 229 \ | |
| 230 int prot = (int) sysconf(515 /* _SC_STACK_PROT */); \ | |
| 231 if (prot != 7 /* STACK_PROT_RWX */) \ | |
| 232 need_enable_exec_stack = 1; \ | |
| 233 } \ | |
| 234 \ | |
| 235 extern void __enable_execute_stack (void *); \ | |
| 236 void \ | |
| 237 __enable_execute_stack (void *addr) \ | |
| 238 { \ | |
| 239 extern int mprotect(void *, size_t, int); \ | |
| 240 if (!need_enable_exec_stack) \ | |
| 241 return; \ | |
| 242 else { \ | |
| 243 long size = getpagesize (); \ | |
| 244 long mask = ~(size-1); \ | |
| 245 char *page = (char *) (((long) addr) & mask); \ | |
| 246 char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ | |
| 247 \ | |
| 248 if (mprotect (page, end - page, 7 /* STACK_PROT_RWX */) < 0) \ | |
| 249 perror ("mprotect of trampoline code"); \ | |
| 250 } \ | |
| 251 } | |
| 252 | |
| 253 /* Support Solaris-specific format checking for cmn_err. */ | |
| 254 #define TARGET_N_FORMAT_TYPES 1 | |
| 255 #define TARGET_FORMAT_TYPES solaris_format_types | |
| 256 | |
| 257 /* #pragma init and #pragma fini are implemented on top of init and | |
| 258 fini attributes. */ | |
| 259 #define SOLARIS_ATTRIBUTE_TABLE \ | |
| 260 { "init", 0, 0, true, false, false, NULL }, \ | |
| 261 { "fini", 0, 0, true, false, false, NULL } | |
| 262 | |
|
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263 /* Solaris/x86 as and gas support the common ELF .section/.pushsection |
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264 syntax. */ |
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265 #define PUSHSECTION_FORMAT "\t.pushsection\t%s\n" |
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266 |
| 0 | 267 /* This is how to declare the size of a function. For Solaris, we output |
| 268 any .init or .fini entries here. */ | |
| 269 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 270 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 271 do \ | |
| 272 { \ | |
| 273 if (!flag_inhibit_size_directive) \ | |
| 274 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 275 solaris_output_init_fini (FILE, DECL); \ | |
| 276 } \ | |
| 277 while (0) | |
| 278 | |
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279 /* Solaris 'as' has a bug: a .common directive in .tbss or .tdata section |
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280 behaves as .tls_common rather than normal non-TLS .common. */ |
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281 #undef ASM_OUTPUT_ALIGNED_COMMON |
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282 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ |
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283 do \ |
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284 { \ |
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285 if (TARGET_SUN_TLS \ |
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286 && in_section \ |
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287 && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \ |
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288 switch_to_section (bss_section); \ |
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289 fprintf ((FILE), "%s", COMMON_ASM_OP); \ |
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290 assemble_name ((FILE), (NAME)); \ |
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291 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ |
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292 (SIZE), (ALIGN) / BITS_PER_UNIT); \ |
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293 } \ |
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294 while (0) |
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295 |
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296 #ifndef USE_GAS |
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297 #undef TARGET_ASM_ASSEMBLE_VISIBILITY |
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298 #define TARGET_ASM_ASSEMBLE_VISIBILITY solaris_assemble_visibility |
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299 |
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300 #define AS_NEEDS_DASH_FOR_PIPED_INPUT |
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301 |
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302 #endif |
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303 |
| 0 | 304 extern GTY(()) tree solaris_pending_aligns; |
| 305 extern GTY(()) tree solaris_pending_inits; | |
| 306 extern GTY(()) tree solaris_pending_finis; | |
| 307 | |
| 308 /* Allow macro expansion in #pragma pack. */ | |
| 309 #define HANDLE_PRAGMA_PACK_WITH_EXPANSION | |
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310 |
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311 #define TARGET_POSIX_IO |