gcc/config/pa/pa-hpux11.h

   1 /* Definitions of target machine for GNU compiler, for HP PA-RISC
   2    Copyright (C) 1998-2024 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 3, 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 COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 /* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
  21    causes trouble when sys/stdsyms.h is included.  As a work around,
  22    we define __STDC_EXT__.  A similar situation exists with respect to
  23    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
  24    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
  25    support).  We define __STDCPP__ to get certain system headers
  26    (notably assert.h) to assume standard preprocessor behavior in C++.
  27    We define _XOPEN_SOURCE_EXTENDED when we define _HPUX_SOURCE to avoid
  28    non standard hpux variants in _INCLUDE_XOPEN_SOURCE_EXTENDED.  */
  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         builtin_define ("__STDC_EXT__");                                \
  42         if (c_dialect_cxx ())                                           \
  43           {                                                             \
  44             builtin_define ("_HPUX_SOURCE");                            \
  45             builtin_define ("_REENTRANT");                              \
  46             builtin_define ("_INCLUDE_LONGLONG");                       \
  47             builtin_define ("__STDCPP__");                              \
  48             builtin_define ("_LARGEFILE_SOURCE");                       \
  49             builtin_define ("_LARGEFILE64_SOURCE");                     \
  50             if (flag_pa_unix >= 1995)                                   \
  51               {                                                         \
  52                 builtin_define ("_XOPEN_UNIX");                         \
  53                 builtin_define ("_XOPEN_SOURCE_EXTENDED");              \
  54               }                                                         \
  55             if (flag_pa_unix >= 1998)                                   \
  56               {                                                         \
  57                 builtin_define ("_INCLUDE__STDC_A1_SOURCE");            \
  58                 builtin_define ("_INCLUDE_XOPEN_SOURCE_500");           \
  59               }                                                         \
  60             if (flag_pa_unix >= 2003)                                   \
  61               {                                                         \
  62                 builtin_define ("_INCLUDE_STDC_SOURCE_PRE_199901");     \
  63                 builtin_define ("_INCLUDE_STDC_SOURCE_199901");         \
  64                 builtin_define ("_INCLUDE_XOPEN_SOURCE_PRE_500");       \
  65                 builtin_define ("_INCLUDE_XOPEN_SOURCE_520");           \
  66                 builtin_define ("_INCLUDE_XOPEN_SOURCE_PRE_600");       \
  67                 builtin_define ("_INCLUDE_XOPEN_SOURCE_600");           \
  68               }                                                         \
  69           }                                                             \
  70         else if (flag_iso)                                              \
  71           {                                                             \
  72             if (flag_isoc94)                                            \
  73               builtin_define ("_INCLUDE__STDC_A1_SOURCE");              \
  74           }                                                             \
  75         else                                                            \
  76           {                                                             \
  77             builtin_define ("_HPUX_SOURCE");                            \
  78             builtin_define ("_REENTRANT");                              \
  79             if (preprocessing_trad_p ())                                \
  80               {                                                         \
  81                 builtin_define ("hp9000s800");                          \
  82                 builtin_define ("hppa");                                \
  83                 builtin_define ("hpux");                                \
  84                 builtin_define ("unix");                                \
  85                 builtin_define ("__CLASSIC_C__");                       \
  86                 builtin_define ("_PWB");                                \
  87                 builtin_define ("PWB");                                 \
  88               }                                                         \
  89             if (flag_pa_unix >= 1995)                                   \
  90               {                                                         \
  91                 builtin_define ("_XOPEN_UNIX");                         \
  92                 builtin_define ("_XOPEN_SOURCE_EXTENDED");              \
  93               }                                                         \
  94             if (flag_pa_unix >= 1998)                                   \
  95               {                                                         \
  96                 builtin_define ("_INCLUDE__STDC_A1_SOURCE");            \
  97                 builtin_define ("_INCLUDE_XOPEN_SOURCE_500");           \
  98               }                                                         \
  99             if (flag_pa_unix >= 2003)                                   \
 100               {                                                         \
 101                 builtin_define ("_INCLUDE_STDC_SOURCE_PRE_199901");     \
 102                 builtin_define ("_INCLUDE_STDC_SOURCE_199901");         \
 103                 builtin_define ("_INCLUDE_XOPEN_SOURCE_PRE_500");       \
 104                 builtin_define ("_INCLUDE_XOPEN_SOURCE_520");           \
 105                 builtin_define ("_INCLUDE_XOPEN_SOURCE_PRE_600");       \
 106                 builtin_define ("_INCLUDE_XOPEN_SOURCE_600");           \
 107               }                                                         \
 108           }                                                             \
 109         if (!TARGET_64BIT)                                              \
 110           builtin_define ("_ILP32");                                    \
 111         if (TARGET_SIO)                                                 \
 112           builtin_define ("_SIO");                                      \
 113         else                                                            \
 114           {                                                             \
 115             builtin_define ("__hp9000s700");                            \
 116             builtin_define ("__hp9000s700__");                          \
 117             builtin_define ("_WSIO");                                   \
 118           }                                                             \
 119     }                                                                   \
 120   while (0)
 121
 122 #undef CPP_SPEC
 123 #define CPP_SPEC \
 124   "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
 125 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
 126    affect only aCC's C++ library (Rogue Wave-derived) which we do not
 127    use, and they violate the user's name space.  */
 128
 129 /* We can debug dynamically linked executables on hpux11; we also
 130    want dereferencing of a NULL pointer to cause a SEGV.  */
 131 #undef LINK_SPEC
 132 #define LINK_SPEC \
 133   "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
 134      %nwarning: consider linking with '-static' as system libraries with\n\
 135      %n  profiling support are only provided in archive format}}}\
 136    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
 137      %nwarning: consider linking with '-static' as system libraries with\n\
 138      %n  profiling support are only provided in archive format}}}\
 139    %{!shared:%{!static:%{rdynamic:-E}}}\
 140    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
 141    %{static:-a archive} %{shared:-b}"
 142
 143 /* HP-UX 11 has posix threads.  HP's shared libc contains pthread stubs
 144    so that non-threaded applications can be linked with a thread-safe
 145    libc without a subsequent loss of performance.  For more details,
 146    see <http://docs.hp.com/en/1896/pthreads.html>.  */
 147 #undef LIB_SPEC
 148 #define LIB_SPEC \
 149   "%{!shared:\
 150      %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\
 151        %{static:-a archive_shared} -lrt %{static:-a archive}}\
 152      %{mt|pthread:-lpthread} -lc\
 153      %{static:%{!nolibdld:-a archive_shared -ldld -a archive -lc}\
 154        %{!mt:%{!pthread:-a shared -lc -a archive}}}}\
 155    %{shared:%{mt|pthread:-lpthread}}"
 156
 157 #undef STARTFILE_SPEC
 158 #define STARTFILE_SPEC \
 159   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
 160      %{!munix=93:unix95%O%s}}"
 161
 162 /* Under hpux11, the normal location of the `ld' and `as' programs is the
 163    /usr/ccs/bin directory.  */
 164
 165 #ifndef CROSS_DIRECTORY_STRUCTURE
 166 #undef MD_EXEC_PREFIX
 167 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
 168 #endif
 169
 170 /* Under hpux11 the normal location of the various *crt*.o files is
 171    the /usr/ccs/lib directory.  However, the profiling files are in
 172    /opt/langtools/lib.  */
 173
 174 #ifndef CROSS_DIRECTORY_STRUCTURE
 175 #undef MD_STARTFILE_PREFIX
 176 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
 177 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
 178 #endif
 179
 180 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
 181    better than the assembler shipped with older versions of hpux.  */
 182 #undef NEW_HP_ASSEMBLER
 183 #define NEW_HP_ASSEMBLER 1
 184
 185 /* Make GCC agree with types.h.  */
 186 #undef SIZE_TYPE
 187 #undef PTRDIFF_TYPE
 188
 189 #define SIZE_TYPE "long unsigned int"
 190 #define PTRDIFF_TYPE "long int"
 191
 192 /* HP-UX 11.0 and above provides initialization and finalization function
 193    support from linker command line.  We don't need to invoke __main to run
 194    constructors.  We also don't need chatr to determine the dependencies of
 195    dynamically linked executables and shared libraries.  */
 196 #undef LDD_SUFFIX
 197 #undef PARSE_LDD_OUTPUT
 198 #undef HAS_INIT_SECTION
 199 #define HAS_INIT_SECTION 1
 200 #undef LD_INIT_SWITCH
 201 #define LD_INIT_SWITCH "+init"
 202 #undef LD_FINI_SWITCH
 203 #define LD_FINI_SWITCH "+fini"
 204
 205 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
 206    with secondary definition (weak) symbols.  */
 207 #undef TARGET_SOM_SDEF
 208 #define TARGET_SOM_SDEF 1
 209
 210 #undef TARGET_HPUX_11
 211 #define TARGET_HPUX_11 1