gnu/dist/gcc4/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
   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 #define LINK_SPEC \
 110   "%{!shared:%{p:-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    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
 114      %nWarning: consider linking with `-static' as system libraries with\n\
 115      %n  profiling support are only provided in archive format}}}\
 116    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
 117    %{static:-a archive} %{shared:-b}"
 118
 119 /* hpux 11 has posix threads.  */
 120 #undef LIB_SPEC
 121 #define LIB_SPEC \
 122   "%{!shared:\
 123      %{mt|pthread:-lpthread} -lc \
 124      %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}"
 125
 126 #undef STARTFILE_SPEC
 127 #define STARTFILE_SPEC \
 128   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
 129      %{!munix=93:unix95%O%s}}"
 130
 131 /* Under hpux11, the normal location of the `ld' and `as' programs is the
 132    /usr/ccs/bin directory.  */
 133
 134 #ifndef CROSS_COMPILE
 135 #undef MD_EXEC_PREFIX
 136 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
 137 #endif
 138
 139 /* Under hpux11 the normal location of the various *crt*.o files is
 140    the /usr/ccs/lib directory.  However, the profiling files are in
 141    /opt/langtools/lib.  */
 142
 143 #ifndef CROSS_COMPILE
 144 #undef MD_STARTFILE_PREFIX
 145 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
 146 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
 147 #endif
 148
 149 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
 150    better than the assembler shipped with older versions of hpux.  */
 151 #undef NEW_HP_ASSEMBLER
 152 #define NEW_HP_ASSEMBLER 1
 153
 154 /* Make GCC agree with types.h.  */
 155 #undef SIZE_TYPE
 156 #undef PTRDIFF_TYPE
 157
 158 #define SIZE_TYPE "long unsigned int"
 159 #define PTRDIFF_TYPE "long int"
 160
 161 /* HP-UX 11.0 and above provides initialization and finalization function
 162    support from linker command line.  We don't need to invoke __main to run
 163    constructors.  We also don't need chatr to determine the dependencies of
 164    dynamically linked executables and shared libraries.  */
 165 #undef LDD_SUFFIX
 166 #undef PARSE_LDD_OUTPUT
 167 #undef HAS_INIT_SECTION
 168 #define HAS_INIT_SECTION 1
 169 #undef LD_INIT_SWITCH
 170 #define LD_INIT_SWITCH "+init"
 171 #undef LD_FINI_SWITCH
 172 #define LD_FINI_SWITCH "+fini"
 173
 174 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
 175    with secondary definition (weak) symbols.  */
 176 #undef TARGET_SOM_SDEF
 177 #define TARGET_SOM_SDEF 1