gcc/config/pa/pa-hpux11.h

   1 /* Definitions of target machine for GNU compiler, for HP PA-RISC
   2    Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007, 2008
   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 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 /* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
  22    causes trouble when sys/stdsyms.h is included.  As a work around,
  23    we define __STDC_EXT__.  A similar situation exists with respect to
  24    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
  25    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
  26    support).  We define __STDCPP__ to get certain system headers
  27    (notably assert.h) to assume standard preprocessor behavior in C++.  */
  28 #undef TARGET_OS_CPP_BUILTINS
  29 #define TARGET_OS_CPP_BUILTINS()                                        \
  30   do                                                                    \
  31     {                                                                   \
  32         builtin_assert ("system=hpux");                                 \
  33         builtin_assert ("system=unix");                                 \
  34         builtin_define ("__hp9000s800");                                \
  35         builtin_define ("__hp9000s800__");                              \
  36         builtin_define ("__hpux");                                      \
  37         builtin_define ("__hpux__");                                    \
  38         builtin_define ("__unix");                                      \
  39         builtin_define ("__unix__");                                    \
  40         builtin_define ("__STDC_EXT__");                                \
  41         if (c_dialect_cxx ())                                           \
  42           {                                                             \
  43             builtin_define ("_HPUX_SOURCE");                            \
  44             builtin_define ("_INCLUDE_LONGLONG");                       \
  45             builtin_define ("__STDCPP__");                              \
  46           }                                                             \
  47         else                                                            \
  48           {                                                             \
  49             if (!flag_iso)                                              \
  50               {                                                         \
  51                 builtin_define ("_HPUX_SOURCE");                        \
  52                 if (preprocessing_trad_p ())                            \
  53                   {                                                     \
  54                     builtin_define ("hp9000s800");                      \
  55                     builtin_define ("hppa");                            \
  56                     builtin_define ("hpux");                            \
  57                     builtin_define ("unix");                            \
  58                     builtin_define ("__CLASSIC_C__");                   \
  59                     builtin_define ("_PWB");                            \
  60                     builtin_define ("PWB");                             \
  61                   }                                                     \
  62               }                                                         \
  63           }                                                             \
  64         if (!TARGET_64BIT)                                              \
  65           builtin_define ("_ILP32");                                    \
  66         if (flag_pa_unix >= 1995 && !flag_iso)                          \
  67           {                                                             \
  68             builtin_define ("_XOPEN_UNIX");                             \
  69             builtin_define ("_XOPEN_SOURCE_EXTENDED");                  \
  70           }                                                             \
  71         if (TARGET_HPUX_11_11)                                          \
  72           {                                                             \
  73             if (flag_pa_unix >= 1998)                                   \
  74               {                                                         \
  75                 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx()       \
  76                     || !flag_iso)                                       \
  77                   builtin_define ("_INCLUDE__STDC_A1_SOURCE");          \
  78                 if (!flag_iso)                                          \
  79                   builtin_define ("_INCLUDE_XOPEN_SOURCE_500");         \
  80               }                                                         \
  81             else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ())    \
  82               warning (0, "-munix=98 option required for C89 "          \
  83                        "Amendment 1 features.\n");                      \
  84           }                                                             \
  85         if (TARGET_SIO)                                                 \
  86           builtin_define ("_SIO");                                      \
  87         else                                                            \
  88           {                                                             \
  89             builtin_define ("__hp9000s700");                            \
  90             builtin_define ("__hp9000s700__");                          \
  91             builtin_define ("_WSIO");                                   \
  92           }                                                             \
  93     }                                                                   \
  94   while (0)
  95
  96 #undef CPP_SPEC
  97 #define CPP_SPEC \
  98   "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
  99 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
 100    affect only aCC's C++ library (Rogue Wave-derived) which we do not
 101    use, and they violate the user's name space.  */
 102
 103 /* We can debug dynamically linked executables on hpux11; we also
 104    want dereferencing of a NULL pointer to cause a SEGV.  */
 105 #undef LINK_SPEC
 106 #define LINK_SPEC \
 107   "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
 108      %nWarning: consider linking with `-static' as system libraries with\n\
 109      %n  profiling support are only provided in archive format}}}\
 110    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
 111      %nWarning: consider linking with `-static' as system libraries with\n\
 112      %n  profiling support are only provided in archive format}}}\
 113    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
 114    %{static:-a archive} %{shared:-b}"
 115
 116 /* HP-UX 11 has posix threads.  HP libc contains pthread stubs so that
 117    non-threaded applications can be linked with a thread-safe libc
 118    without a subsequent loss of performance.  For more details, see
 119    <http://docs.hp.com/en/1896/pthreads.html>.  */
 120 #undef LIB_SPEC
 121 #define LIB_SPEC \
 122   "%{!shared:\
 123      %{static|mt|pthread:%{fopenmp:%{static:-a archive_shared} -lrt\
 124        %{static:-a archive}} -lpthread} -lc\
 125      %{static:%{!nolibdld:-a archive_shared -ldld -a archive -lc}}}\
 126    %{shared:%{mt|pthread:-lpthread}}"
 127
 128 #undef STARTFILE_SPEC
 129 #define STARTFILE_SPEC \
 130   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
 131      %{!munix=93:unix95%O%s}}"
 132
 133 /* Under hpux11, the normal location of the `ld' and `as' programs is the
 134    /usr/ccs/bin directory.  */
 135
 136 #ifndef CROSS_DIRECTORY_STRUCTURE
 137 #undef MD_EXEC_PREFIX
 138 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
 139 #endif
 140
 141 /* Under hpux11 the normal location of the various *crt*.o files is
 142    the /usr/ccs/lib directory.  However, the profiling files are in
 143    /opt/langtools/lib.  */
 144
 145 #ifndef CROSS_DIRECTORY_STRUCTURE
 146 #undef MD_STARTFILE_PREFIX
 147 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
 148 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
 149 #endif
 150
 151 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
 152    better than the assembler shipped with older versions of hpux.  */
 153 #undef NEW_HP_ASSEMBLER
 154 #define NEW_HP_ASSEMBLER 1
 155
 156 /* Make GCC agree with types.h.  */
 157 #undef SIZE_TYPE
 158 #undef PTRDIFF_TYPE
 159
 160 #define SIZE_TYPE "long unsigned int"
 161 #define PTRDIFF_TYPE "long int"
 162
 163 /* HP-UX 11.0 and above provides initialization and finalization function
 164    support from linker command line.  We don't need to invoke __main to run
 165    constructors.  We also don't need chatr to determine the dependencies of
 166    dynamically linked executables and shared libraries.  */
 167 #undef LDD_SUFFIX
 168 #undef PARSE_LDD_OUTPUT
 169 #undef HAS_INIT_SECTION
 170 #define HAS_INIT_SECTION 1
 171 #undef LD_INIT_SWITCH
 172 #define LD_INIT_SWITCH "+init"
 173 #undef LD_FINI_SWITCH
 174 #define LD_FINI_SWITCH "+fini"
 175
 176 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
 177    with secondary definition (weak) symbols.  */
 178 #undef TARGET_SOM_SDEF
 179 #define TARGET_SOM_SDEF 1
 180
 181 #undef TARGET_HPUX_11
 182 #define TARGET_HPUX_11 1