gcc/config/netbsd.h

   1 /* Base configuration file for all NetBSD targets.
   2    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   3    2007, 2009, 2010, 2011 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 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD targets.  */
  22 #define NETBSD_OS_CPP_BUILTINS_COMMON()         \
  23   do                                            \
  24     {                                           \
  25       builtin_define ("__NetBSD__");            \
  26       builtin_define ("__unix__");              \
  27       builtin_assert ("system=bsd");            \
  28       builtin_assert ("system=unix");           \
  29       builtin_assert ("system=NetBSD");         \
  30     }                                           \
  31   while (0)
  32
  33 /* CPP_SPEC parts common to all NetBSD targets.  */
  34 #define NETBSD_CPP_SPEC                         \
  35   "%{posix:-D_POSIX_SOURCE} \
  36    %{pthread:-D_REENTRANT -D_PTHREADS}"
  37
  38 /* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
  39    source tree so it can be configured appropriately without using
  40    the GNU configure/build mechanism.  */
  41
  42 #ifdef NETBSD_NATIVE
  43
  44 /* Look for the include files in the system-defined places.  */
  45
  46 #undef GPLUSPLUS_INCLUDE_DIR
  47 #define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
  48
  49 #undef GCC_INCLUDE_DIR
  50 #define GCC_INCLUDE_DIR "/usr/include"
  51
  52 #undef INCLUDE_DEFAULTS
  53 #define INCLUDE_DEFAULTS                        \
  54   {                                             \
  55     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },     \
  56     { GCC_INCLUDE_DIR, "GCC", 0, 0 },           \
  57     { 0, 0, 0, 0 }                              \
  58   }
  59
  60 /* Under NetBSD, the normal location of the compiler back ends is the
  61    /usr/libexec directory.  */
  62
  63 #undef STANDARD_EXEC_PREFIX
  64 #define STANDARD_EXEC_PREFIX            "/usr/libexec/"
  65
  66 /* Under NetBSD, the normal location of the various *crt*.o files is the
  67    /usr/lib directory.  */
  68
  69 #undef STANDARD_STARTFILE_PREFIX
  70 #define STANDARD_STARTFILE_PREFIX       "/usr/lib/"
  71
  72 #endif /* NETBSD_NATIVE */
  73
  74
  75 /* Provide a LIB_SPEC appropriate for NetBSD.  Here we:
  76
  77    1. Select the appropriate set of libs, depending on whether we're
  78       profiling.
  79
  80    2. Include the pthread library if -pthread is specified (only
  81       if threads are enabled).
  82
  83    3. Include the posix library if -posix is specified.
  84
  85    FIXME: Could eliminate the duplication here if we were allowed to
  86    use string concatenation.  */
  87
  88 #ifdef NETBSD_ENABLE_PTHREADS
  89 #define NETBSD_LIB_SPEC         \
  90   "%{pthread:                   \
  91      %{!p:                      \
  92        %{!pg:-lpthread}}        \
  93      %{p:-lpthread_p}           \
  94      %{pg:-lpthread_p}}         \
  95    %{posix:                     \
  96      %{!p:                      \
  97        %{!pg:-lposix}}          \
  98      %{p:-lposix_p}             \
  99      %{pg:-lposix_p}}           \
 100    %{!shared:                   \
 101      %{!symbolic:               \
 102        %{!p:                    \
 103          %{!pg:-lc}}            \
 104        %{p:-lc_p}               \
 105        %{pg:-lc_p}}}"
 106 #else
 107 #define NETBSD_LIB_SPEC         \
 108   "%{posix:                     \
 109      %{!p:                      \
 110        %{!pg:-lposix}}          \
 111      %{p:-lposix_p}             \
 112      %{pg:-lposix_p}}           \
 113    %{!shared:                   \
 114      %{!symbolic:               \
 115        %{!p:                    \
 116          %{!pg:-lc}}            \
 117        %{p:-lc_p}               \
 118        %{pg:-lc_p}}}"
 119 #endif
 120
 121 #undef LIB_SPEC
 122 #define LIB_SPEC NETBSD_LIB_SPEC
 123
 124 /* Provide a LIBGCC_SPEC appropriate for NetBSD.  We also want to exclude
 125    libgcc with -symbolic.  */
 126
 127 #ifdef NETBSD_NATIVE
 128 #define NETBSD_LIBGCC_SPEC      \
 129   "%{!symbolic:                 \
 130      %{!shared:                 \
 131        %{!p:                    \
 132          %{!pg: -lgcc}}}        \
 133      %{shared: -lgcc_pic}       \
 134      %{p: -lgcc_p}              \
 135      %{pg: -lgcc_p}}"
 136 #else
 137 #define NETBSD_LIBGCC_SPEC "%{!shared:%{!symbolic: -lgcc}}"
 138 #endif
 139
 140 #undef LIBGCC_SPEC
 141 #define LIBGCC_SPEC NETBSD_LIBGCC_SPEC
 142
 143 /* When building shared libraries, the initialization and finalization
 144    functions for the library are .init and .fini respectively.  */
 145
 146 #define COLLECT_SHARED_INIT_FUNC(STREAM,FUNC)                           \
 147   do {                                                                  \
 148     fprintf ((STREAM), "void __init() __asm__ (\".init\");");           \
 149     fprintf ((STREAM), "void __init() {\n\t%s();\n}\n", (FUNC));        \
 150   } while (0)
 151
 152 #define COLLECT_SHARED_FINI_FUNC(STREAM,FUNC)                           \
 153   do {                                                                  \
 154     fprintf ((STREAM), "void __fini() __asm__ (\".fini\");");           \
 155     fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC));        \
 156   } while (0)
 157
 158 #undef TARGET_POSIX_IO
 159 #define TARGET_POSIX_IO
 160
 161 /* Don't assume anything about the header files.  */
 162 #undef  NO_IMPLICIT_EXTERN_C
 163 #define NO_IMPLICIT_EXTERN_C    1
 164
 165 /* Define some types that are the same on all NetBSD platforms,
 166    making them agree with <machine/ansi.h>.  */
 167
 168 #undef WCHAR_TYPE
 169 #define WCHAR_TYPE "int"
 170
 171 #undef WCHAR_TYPE_SIZE
 172 #define WCHAR_TYPE_SIZE 32
 173
 174 #undef WINT_TYPE
 175 #define WINT_TYPE "int"