1 /* Definitions of target machine for GNU compiler, for HP PA-RISC 2 Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005 3 Free Software Foundation, Inc. 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 2, 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 COPYING. If not, write to 19 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 /* GCC always defines __STDC__. HP C++ compilers don't define it. This 23 causes trouble when sys/stdsyms.h is included. As a work around, 24 we define __STDC_EXT__. A similar situation exists with respect to 25 the definition of __cplusplus. We define _INCLUDE_LONGLONG 26 to prevent nlist.h from defining __STDC_32_MODE__ (no longlong 27 support). We define __STDCPP__ to get certain system headers 28 (notably assert.h) to assume standard preprocessor behavior in C++. */ 29 #undef TARGET_OS_CPP_BUILTINS 30 #define TARGET_OS_CPP_BUILTINS() \ 31 do \ 32 { \ 33 builtin_assert ("system=hpux"); \ 34 builtin_assert ("system=unix"); \ 35 builtin_define ("__hp9000s800"); \ 36 builtin_define ("__hp9000s800__"); \ 37 builtin_define ("__hpux"); \ 38 builtin_define ("__hpux__"); \ 39 builtin_define ("__unix"); \ 40 builtin_define ("__unix__"); \ 41 if (c_dialect_cxx ()) \ 42 { \ 43 builtin_define ("_HPUX_SOURCE"); \ 44 builtin_define ("_INCLUDE_LONGLONG"); \ 45 builtin_define ("__STDC_EXT__"); \ 46 builtin_define ("__STDCPP__"); \ 47 } \ 48 else \ 49 { \ 50 if (!flag_iso) \ 51 { \ 52 builtin_define ("_HPUX_SOURCE"); \ 53 if (preprocessing_trad_p ()) \ 54 { \ 55 builtin_define ("hp9000s800"); \ 56 builtin_define ("hppa"); \ 57 builtin_define ("hpux"); \ 58 builtin_define ("unix"); \ 59 builtin_define ("__CLASSIC_C__"); \ 60 builtin_define ("_PWB"); \ 61 builtin_define ("PWB"); \ 62 } \ 63 else \ 64 builtin_define ("__STDC_EXT__"); \ 65 } \ 66 } \ 67 if (!TARGET_64BIT) \ 68 builtin_define ("_ILP32"); \ 69 if (flag_pa_unix >= 1995 && !flag_iso) \ 70 { \ 71 builtin_define ("_XOPEN_UNIX"); \ 72 builtin_define ("_XOPEN_SOURCE_EXTENDED"); \ 73 } \ 74 if (TARGET_HPUX_11_11) \ 75 { \ 76 if (flag_pa_unix >= 1998) \ 77 { \ 78 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx() \ 79 || !flag_iso) \ 80 builtin_define ("_INCLUDE__STDC_A1_SOURCE"); \ 81 if (!flag_iso) \ 82 builtin_define ("_INCLUDE_XOPEN_SOURCE_500"); \ 83 } \ 84 else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ()) \ 85 warning (0, "-munix=98 option required for C89 " \ 86 "Amendment 1 features.\n"); \ 87 } \ 88 if (TARGET_SIO) \ 89 builtin_define ("_SIO"); \ 90 else \ 91 { \ 92 builtin_define ("__hp9000s700"); \ 93 builtin_define ("__hp9000s700__"); \ 94 builtin_define ("_WSIO"); \ 95 } \ 96 } \ 97 while (0) 98 99 #undef CPP_SPEC 100 #define CPP_SPEC \ 101 "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}" 102 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These 103 affect only aCC's C++ library (Rogue Wave-derived) which we do not 104 use, and they violate the user's name space. */ 105 106 /* We can debug dynamically linked executables on hpux11; we also 107 want dereferencing of a NULL pointer to cause a SEGV. */ 108 #undef LINK_SPEC 109 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_PA_11) 110 #define LINK_SPEC \ 111 "%{!mpa-risc-1-0:%{!march=1.0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }}}\ 112 %{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\ 113 %nWarning: consider linking with `-static' as system libraries with\n\ 114 %n profiling support are only provided in archive format}}}\ 115 %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\ 116 %nWarning: consider linking with `-static' as system libraries with\n\ 117 %n profiling support are only provided in archive format}}}\ 118 -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\ 119 %{static:-a archive} %{shared:-b}" 120 #else 121 #define LINK_SPEC \ 122 "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\ 123 %nWarning: consider linking with `-static' as system libraries with\n\ 124 %n profiling support are only provided in archive format}}}\ 125 %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\ 126 %nWarning: consider linking with `-static' as system libraries with\n\ 127 %n profiling support are only provided in archive format}}}\ 128 -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\ 129 %{static:-a archive} %{shared:-b}" 130 #endif 131 132 /* HP-UX 11 has posix threads. HP libc contains pthread stubs so that 133 non-threaded applications can be linked with a thread-safe libc 134 without a subsequent loss of performance. For more details, see 135 <http://docs.hp.com/en/1896/pthreads.html>. */ 136 #undef LIB_SPEC 137 #define LIB_SPEC \ 138 "%{!shared:\ 139 %{mt|pthread:-lpthread} -lc \ 140 %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}" 141 142 #undef STARTFILE_SPEC 143 #define STARTFILE_SPEC \ 144 "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \ 145 %{!munix=93:unix95%O%s}}" 146 147 /* Under hpux11, the normal location of the `ld' and `as' programs is the 148 /usr/ccs/bin directory. */ 149 150 #ifndef CROSS_COMPILE 151 #undef MD_EXEC_PREFIX 152 #define MD_EXEC_PREFIX "/usr/ccs/bin/" 153 #endif 154 155 /* Under hpux11 the normal location of the various *crt*.o files is 156 the /usr/ccs/lib directory. However, the profiling files are in 157 /opt/langtools/lib. */ 158 159 #ifndef CROSS_COMPILE 160 #undef MD_STARTFILE_PREFIX 161 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/" 162 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/" 163 #endif 164 165 /* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot 166 better than the assembler shipped with older versions of hpux. */ 167 #undef NEW_HP_ASSEMBLER 168 #define NEW_HP_ASSEMBLER 1 169 170 /* Make GCC agree with types.h. */ 171 #undef SIZE_TYPE 172 #undef PTRDIFF_TYPE 173 174 #define SIZE_TYPE "long unsigned int" 175 #define PTRDIFF_TYPE "long int" 176 177 /* HP-UX 11.0 and above provides initialization and finalization function 178 support from linker command line. We don't need to invoke __main to run 179 constructors. We also don't need chatr to determine the dependencies of 180 dynamically linked executables and shared libraries. */ 181 #undef LDD_SUFFIX 182 #undef PARSE_LDD_OUTPUT 183 #undef HAS_INIT_SECTION 184 #define HAS_INIT_SECTION 1 185 #undef LD_INIT_SWITCH 186 #define LD_INIT_SWITCH "+init" 187 #undef LD_FINI_SWITCH 188 #define LD_FINI_SWITCH "+fini" 189 190 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries 191 with secondary definition (weak) symbols. */ 192 #undef TARGET_SOM_SDEF 193 #define TARGET_SOM_SDEF 1 194