gcc/config/pa/pa-hpux.h

   1 /* Definitions of target machine for GNU compiler, for HP-UX.
   2    Copyright (C) 1991, 1995, 1996, 2002, 2003, 2004
   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, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* HP-UX UNIX features.  */
  23 #undef TARGET_HPUX
  24 #define TARGET_HPUX 1
  25
  26 #undef TARGET_DEFAULT
  27 #define TARGET_DEFAULT MASK_BIG_SWITCH
  28
  29 /* Make GCC agree with types.h.  */
  30 #undef SIZE_TYPE
  31 #undef PTRDIFF_TYPE
  32
  33 #define SIZE_TYPE "unsigned int"
  34 #define PTRDIFF_TYPE "int"
  35
  36 #define LONG_DOUBLE_TYPE_SIZE 128
  37 #define HPUX_LONG_DOUBLE_LIBRARY
  38 #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode)
  39
  40 /* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
  41    causes trouble when sys/stdsyms.h is included.  As a work around,
  42    we define __STDC_EXT__.  A similar situation exists with respect to
  43    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
  44    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
  45    support).  */
  46 #undef TARGET_OS_CPP_BUILTINS
  47 #define TARGET_OS_CPP_BUILTINS()                                \
  48   do                                                            \
  49     {                                                           \
  50         builtin_assert ("system=hpux");                         \
  51         builtin_assert ("system=unix");                         \
  52         builtin_define ("__hp9000s800");                        \
  53         builtin_define ("__hp9000s800__");                      \
  54         builtin_define ("__hp9k8");                             \
  55         builtin_define ("__hp9k8__");                           \
  56         builtin_define ("__hpux");                              \
  57         builtin_define ("__hpux__");                            \
  58         builtin_define ("__unix");                              \
  59         builtin_define ("__unix__");                            \
  60         if (c_dialect_cxx ())                                   \
  61           {                                                     \
  62             builtin_define ("_HPUX_SOURCE");                    \
  63             builtin_define ("_INCLUDE_LONGLONG");               \
  64             builtin_define ("__STDC_EXT__");                    \
  65           }                                                     \
  66         else if (!flag_iso)                                     \
  67           {                                                     \
  68             builtin_define ("_HPUX_SOURCE");                    \
  69             if (preprocessing_trad_p ())                        \
  70               {                                                 \
  71                 builtin_define ("hp9000s800");                  \
  72                 builtin_define ("hp9k8");                       \
  73                 builtin_define ("hppa");                        \
  74                 builtin_define ("hpux");                        \
  75                 builtin_define ("unix");                        \
  76                 builtin_define ("__CLASSIC_C__");               \
  77                 builtin_define ("_PWB");                        \
  78                 builtin_define ("PWB");                         \
  79               }                                                 \
  80             else                                                \
  81               builtin_define ("__STDC_EXT__");                  \
  82           }                                                     \
  83         if (TARGET_SIO)                                         \
  84           builtin_define ("_SIO");                              \
  85         else                                                    \
  86           {                                                     \
  87             builtin_define ("__hp9000s700");                    \
  88             builtin_define ("__hp9000s700__");                  \
  89             builtin_define ("_WSIO");                           \
  90           }                                                     \
  91     }                                                           \
  92   while (0)
  93
  94 #undef SUBTARGET_SWITCHES
  95 #define SUBTARGET_SWITCHES \
  96   { "sio",       MASK_SIO,      N_("Generate cpp defines for server IO") }, \
  97   { "wsio",     -MASK_SIO,      N_("Generate cpp defines for workstation IO") },
  98
  99 /* Like the default, except no -lg.  */
 100 #undef LIB_SPEC
 101 #define LIB_SPEC "%{!shared:%{!p:%{!pg:-lc}}%{p: -L/lib/libp/ -lc}%{pg: -L/lib/libp/ -lc}}"
 102
 103 #undef LINK_SPEC
 104 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_PA_11)
 105 #define LINK_SPEC \
 106   "%{!mpa-risc-1-0:%{!march=1.0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }}}%{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{g*:-a archive} %{shared:-b}"
 107 #else
 108 #define LINK_SPEC \
 109   "%{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{g*:-a archive} %{shared:-b}"
 110 #endif
 111
 112 /* hpux8 and later have C++ compatible include files, so do not
 113    pretend they are `extern "C"'.  */
 114 #define NO_IMPLICIT_EXTERN_C
 115
 116 /* hpux11 and earlier don't have fputc_unlocked, so we must inhibit the
 117    transformation of fputs_unlocked and fprintf_unlocked to fputc_unlocked.  */
 118 #define DONT_HAVE_FPUTC_UNLOCKED
 119
 120 /* We want the entry value of SP saved in the frame marker for
 121    compatibility with the HP-UX unwind library.  */
 122 #undef TARGET_HPUX_UNWIND_LIBRARY
 123 #define TARGET_HPUX_UNWIND_LIBRARY 1