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 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  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).  */
  27 #undef TARGET_OS_CPP_BUILTINS
  28 #define TARGET_OS_CPP_BUILTINS()                                \
  29   do                                                            \
  30     {                                                           \
  31         builtin_assert ("system=hpux");                         \
  32         builtin_assert ("system=unix");                         \
  33         builtin_define ("__hp9000s800");                        \
  34         builtin_define ("__hp9000s800__");                      \
  35         builtin_define ("__hpux");                              \
  36         builtin_define ("__hpux__");                            \
  37         builtin_define ("__unix");                              \
  38         builtin_define ("__unix__");                            \
  39         if (c_dialect_cxx ())                                   \
  40           {                                                     \
  41             builtin_define ("_HPUX_SOURCE");                    \
  42             builtin_define ("_INCLUDE_LONGLONG");               \
  43             builtin_define ("__STDC_EXT__");                    \
  44           }                                                     \
  45         else                                                    \
  46           {                                                     \
  47             if (!flag_iso)                                      \
  48               {                                                 \
  49                 builtin_define ("_HPUX_SOURCE");                \
  50                 if (preprocessing_trad_p ())                    \
  51                   {                                             \
  52                     builtin_define ("hp9000s800");              \
  53                     builtin_define ("hppa");                    \
  54                     builtin_define ("hpux");                    \
  55                     builtin_define ("unix");                    \
  56                     builtin_define ("__CLASSIC_C__");           \
  57                     builtin_define ("_PWB");                    \
  58                     builtin_define ("PWB");                     \
  59                   }                                             \
  60                 else                                            \
  61                   builtin_define ("__STDC_EXT__");              \
  62               }                                                 \
  63             if (!TARGET_64BIT)                                  \
  64               builtin_define ("_ILP32");                        \
  65           }                                                     \
  66         if (TARGET_SIO)                                         \
  67           builtin_define ("_SIO");                              \
  68         else                                                    \
  69           {                                                     \
  70             builtin_define ("__hp9000s700");                    \
  71             builtin_define ("__hp9000s700__");                  \
  72             builtin_define ("_WSIO");                           \
  73           }                                                     \
  74     }                                                           \
  75   while (0)
  76
  77 #undef CPP_SPEC
  78 #define CPP_SPEC \
  79   "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
  80 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
  81    affect only aCC's C++ library (Rogue Wave-derived) which we do not
  82    use, and they violate the user's name space.  */
  83
  84 /* We can debug dynamically linked executables on hpux11; we also
  85    want dereferencing of a NULL pointer to cause a SEGV.  */
  86 #undef LINK_SPEC
  87 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_PA_11)
  88 #define LINK_SPEC \
  89   "%{!mpa-risc-1-0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }}\
  90    %{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
  91      %nWarning: consider linking with `-static' as system libraries with\n\
  92      %n  profiling support are only provided in archive format}}}\
  93    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
  94      %nWarning: consider linking with `-static' as system libraries with\n\
  95      %n  profiling support are only provided in archive format}}}\
  96    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
  97    %{static:-a archive} %{shared:-b}"
  98 #else
  99 #define LINK_SPEC \
 100   "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
 101      %nWarning: consider linking with `-static' as system libraries with\n\
 102      %n  profiling support are only provided in archive format}}}\
 103    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
 104      %nWarning: consider linking with `-static' as system libraries with\n\
 105      %n  profiling support are only provided in archive format}}}\
 106    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
 107    %{static:-a archive} %{shared:-b}"
 108 #endif
 109
 110 /* hpux 11 has posix threads.  */
 111 #undef LIB_SPEC
 112 #define LIB_SPEC \
 113   "%{!shared:\
 114      %{mt|pthread:-lpthread} -lc \
 115      %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}"
 116
 117 /* Under hpux11, the normal location of the `ld' and `as' programs is the
 118    /usr/ccs/bin directory.  */
 119
 120 #ifndef CROSS_COMPILE
 121 #undef MD_EXEC_PREFIX
 122 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
 123 #endif
 124
 125 /* Under hpux11 the normal location of the various *crt*.o files is
 126    the /usr/ccs/lib directory.  However, the profiling files are in
 127    /opt/langtools/lib.  */
 128
 129 #ifndef CROSS_COMPILE
 130 #undef MD_STARTFILE_PREFIX
 131 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
 132 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
 133 #endif
 134
 135 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
 136    better than the assembler shipped with older versions of hpux.  */
 137 #undef NEW_HP_ASSEMBLER
 138 #define NEW_HP_ASSEMBLER 1
 139
 140 /* Make GCC agree with types.h.  */
 141 #undef SIZE_TYPE
 142 #undef PTRDIFF_TYPE
 143
 144 #define SIZE_TYPE "long unsigned int"
 145 #define PTRDIFF_TYPE "long int"
 146
 147 /* HP-UX 11.0 and above provides initialization and finalization function
 148    support from linker command line.  We don't need to invoke __main to run
 149    constructors.  We also don't need chatr to determine the dependencies of
 150    dynamically linked executables and shared libraries.  */
 151 #undef LDD_SUFFIX
 152 #undef PARSE_LDD_OUTPUT
 153 #undef HAS_INIT_SECTION
 154 #define HAS_INIT_SECTION 1
 155 #undef LD_INIT_SWITCH
 156 #define LD_INIT_SWITCH "+init"
 157 #undef LD_FINI_SWITCH
 158 #define LD_FINI_SWITCH "+fini"
 159
 160 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
 161    with secondary definition (weak) symbols.  */
 162 #undef TARGET_SOM_SDEF
 163 #define TARGET_SOM_SDEF 1