gcc/config/netbsd.h

   1 /* Base configuration file for all NetBSD targets.
   2    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC 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 GNU CC 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 GNU CC; 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 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD targets.  */
  23 #define NETBSD_OS_CPP_BUILTINS_COMMON()         \
  24   do                                            \
  25     {                                           \
  26       builtin_define ("__NetBSD__");            \
  27       builtin_assert ("system=unix");           \
  28       builtin_assert ("system=NetBSD");         \
  29     }                                           \
  30   while (0)
  31
  32 /* TARGET_OS_CPP_BUILTINS() common to all LP64 NetBSD targets.  */
  33 #define NETBSD_OS_CPP_BUILTINS_LP64()           \
  34   do                                            \
  35     {                                           \
  36       builtin_define ("_LP64");                 \
  37     }                                           \
  38   while (0)
  39
  40 /* CPP_SPEC parts common to all NetBSD targets.  */
  41 #define NETBSD_CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  42
  43 /* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
  44    source tree so it can be configured appropriately without using
  45    the GNU configure/build mechanism. */
  46
  47 #ifdef NETBSD_NATIVE
  48
  49 /* Look for the include files in the system-defined places.  */
  50
  51 #undef GPLUSPLUS_INCLUDE_DIR
  52 #define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
  53
  54 #undef GCC_INCLUDE_DIR
  55 #define GCC_INCLUDE_DIR "/usr/include"
  56
  57 #undef INCLUDE_DEFAULTS
  58 #define INCLUDE_DEFAULTS                        \
  59   {                                             \
  60     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },     \
  61     { GCC_INCLUDE_DIR, "GCC", 0, 0 },           \
  62     { 0, 0, 0, 0 }                              \
  63   }
  64
  65 /* Under NetBSD, the normal location of the compiler back ends is the
  66    /usr/libexec directory.  */
  67
  68 #undef STANDARD_EXEC_PREFIX
  69 #define STANDARD_EXEC_PREFIX            "/usr/libexec/"
  70
  71 /* Under NetBSD, the normal location of the various *crt*.o files is the
  72    /usr/lib directory.  */
  73
  74 #undef STANDARD_STARTFILE_PREFIX
  75 #define STANDARD_STARTFILE_PREFIX       "/usr/lib/"
  76
  77 #endif /* NETBSD_NATIVE */
  78
  79
  80 /* Provide a LIB_SPEC appropriate for NetBSD.  Just select the appropriate
  81    libc, depending on whether we're doing profiling; if `-posix' is specified,
  82    link against the appropriate libposix first.  Don't include libc when
  83    linking a shared library.  */
  84
  85 #undef LIB_SPEC
  86 #define LIB_SPEC                \
  87   "%{posix:                     \
  88      %{!p:                      \
  89        %{!pg:-lposix}}          \
  90      %{p:-lposix_p}             \
  91      %{pg:-lposix_p}}           \
  92    %{!shared:                   \
  93      %{!symbolic:               \
  94        %{!p:                    \
  95          %{!pg:-lc}}            \
  96        %{p:-lc_p}               \
  97        %{pg:-lc_p}}}"
  98
  99 /* Provide a LIBGCC_SPEC appropriate for NetBSD.  We also want to exclude
 100    libgcc with -symbolic.  */
 101
 102 #undef LIBGCC_SPEC
 103 #ifdef NETBSD_NATIVE
 104 #define LIBGCC_SPEC             \
 105   "%{!symbolic:                 \
 106      %{!shared:                 \
 107        %{!p:                    \
 108          %{!pg: -lgcc}}}                \
 109      %{shared: -lgcc_pic}       \
 110      %{p: -lgcc_p}              \
 111      %{pg: -lgcc_p}}"
 112 #else
 113 #define LIBGCC_SPEC "%{!shared:%{!symbolic: -lgcc}}"
 114 #endif
 115
 116 /* When building shared libraries, the initialization and finalization
 117    functions for the library are .init and .fini respectively.  */
 118
 119 #define COLLECT_SHARED_INIT_FUNC(STREAM,FUNC)                           \
 120   do {                                                                  \
 121     fprintf ((STREAM), "void __init() __asm__ (\".init\");");           \
 122     fprintf ((STREAM), "void __init() {\n\t%s();\n}\n", (FUNC));        \
 123   } while (0)
 124
 125 #define COLLECT_SHARED_FINI_FUNC(STREAM,FUNC)                           \
 126   do {                                                                  \
 127     fprintf ((STREAM), "void __fini() __asm__ (\".fini\");");           \
 128     fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC));        \
 129   } while (0)
 130
 131 /* Allow #sccs in preprocessor.  */
 132
 133 #undef SCCS_DIRECTIVE
 134 #define SCCS_DIRECTIVE
 135
 136 #undef TARGET_HAS_F_SETLKW
 137 #define TARGET_HAS_F_SETLKW
 138
 139 /* Implicit library calls should use memcpy, not bcopy, etc.  */
 140
 141 #undef TARGET_MEM_FUNCTIONS
 142 #define TARGET_MEM_FUNCTIONS 1
 143
 144 /* Handle #pragma weak and #pragma pack.  */
 145
 146 #define HANDLE_SYSV_PRAGMA
 147
 148
 149 /* Define some types that are the same on all NetBSD platforms,
 150    making them agree with <machine/ansi.h>.  */
 151
 152 #undef WCHAR_TYPE
 153 #define WCHAR_TYPE "int"
 154
 155 #undef WCHAR_TYPE_SIZE
 156 #define WCHAR_TYPE_SIZE 32
 157
 158 #undef WINT_TYPE
 159 #define WINT_TYPE "int"