external/gpl3/gcc/files/minix-spec.h

   1 /* Base configuration file for all MINIX targets.
   2    Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
   3    Adapted for MINIX by Lionel Sambuc <lionel@minix3.org>
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 2, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    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 the
  19    Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 /* MINIX defines
  23  * Default, architecture independent values for MINIX
  24  *
  25  * For this to work properly, the order in the tm_file variable has
  26  * to be the following:
  27  *   minix-spec.h $arch/minix.h minix.h
  28  *
  29  * minix-spec.h : specifies default arch-independent values
  30  * $arch/minix.h: redefines as needed default minix values
  31  * minix.h      : maps GCC defines to the minix defines.
  32  *
  33  * WARNING:
  34  *   When changing any default, also check in the arch headers
  35  *   if the default is redefined and update them as required.
  36  */
  37
  38 /* In case we need to know.  */
  39 #define USING_CONFIG_MINIX_SPEC 1
  40
  41 #define MINIX_TARGET_OS_CPP_BUILTINS()                                  \
  42   do                                                                    \
  43     {                                                                   \
  44                 builtin_define ("__minix");                             \
  45                 builtin_define ("__minix__");                           \
  46                 builtin_define ("__unix__");                            \
  47                 builtin_assert ("system=bsd");                          \
  48                 builtin_assert ("system=unix");                         \
  49                 builtin_assert ("system=minix");                        \
  50                 MINIX_TARGET_CPU_CPP_BUILTINS();                        \
  51     }                                                                   \
  52   while (0)
  53
  54 /* Define the default MINIX-specific per-CPU hook code.  */
  55 #define MINIX_TARGET_CPU_CPP_BUILTINS() do {} while (0)
  56
  57 /* Look for the include files in the system-defined places.  */
  58
  59 #define MINIX_GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
  60
  61 #define MINIX_GPLUSPLUS_BACKWARD_INCLUDE_DIR "/usr/include/g++/backward"
  62
  63 #define MINIX_GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT 1
  64
  65 #define MINIX_GCC_INCLUDE_DIR_ADD_SYSROOT 1
  66
  67 /*
  68  * XXX figure out a better way to do this
  69  */
  70 #define MINIX_GCC_INCLUDE_DIR "/usr/include/gcc-4.8"
  71
  72 /* Provide a CPP_SPEC appropriate for MINIX.  We just deal with the GCC
  73    option `-posix'.  */
  74 #define MINIX_CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  75
  76 /* Pass -cxx-isystem to cc1/cc1plus.  */
  77 #define MINIX_CC1PLUS_SPEC "%{cxx-isystem}"
  78 #define MINIX_CC1_SPEC "%{cxx-isystem}"
  79
  80
  81 #define MINIX_SUBTARGET_CPP_SPEC ""
  82 #define MINIX_SUBTARGET_EXTRA_ASM_SPEC ""
  83 #define MINIX_SUBTARGET_ASM_FLOAT_SPEC ""
  84
  85 #define MINIX_DYNAMIC_LINKER "/usr/libexec/ld.elf_so"
  86
  87 /* Under MINIX, just like on NetBSD, the normal location of the various
  88  *    *crt*.o files is the /usr/lib directory.  */
  89 #define MINIX_STANDARD_STARTFILE_PREFIX "/usr/lib/"
  90
  91 /* Under NetBSD, the normal location of the compiler back ends is the
  92    /usr/libexec directory.  */
  93
  94 #define MINIX_STANDARD_EXEC_PREFIX              "/usr/libexec/"
  95 #define MINIX_TOOLDIR_BASE_PREFIX               "../"
  96 #define MINIX_STANDARD_BINDIR_PREFIX            "/usr/bin"
  97 #define MINIX_STANDARD_LIBEXEC_PREFIX           MINIX_STANDARD_EXEC_PREFIX
  98
  99 #define MINIX_LINK_GCC_C_SEQUENCE_SPEC \
 100         "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
 101
 102 /* Provide a STARTFILE_SPEC appropriate for MINIX.  Here we add
 103    the magical crtbegin.o file (see crtstuff.c) which provides part
 104    of the support for getting C++ file-scope static object constructed
 105    before entering `main'.  */
 106 #define MINIX_STARTFILE_SPEC    \
 107   "%{!shared:                   \
 108      %{pg:gcrt0%O%s}            \
 109      %{!pg:                     \
 110          %{p:gcrt0%O%s}         \
 111          %{!p:%{profile:gcrt0%O%s} \
 112               %{!profile:crt0%O%s}}}} \
 113    %:if-exists(crti%O%s)        \
 114    %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
 115    %{!static:                   \
 116      %{!shared:                 \
 117          %{!pie:crtbegin%O%s}   \
 118          %{pie:crtbeginS%O%s}}  \
 119      %{shared:crtbeginS%O%s}}"
 120
 121 /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF.  Here we
 122    add crtend.o, which provides part of the support for getting
 123    C++ file-scope static objects deconstructed after exiting "main".  */
 124 #define MINIX_ENDFILE_SPEC      \
 125   "%{!shared:                   \
 126     %{!pie:crtend%O%s}          \
 127     %{pie:crtendS%O%s}}         \
 128    %{shared:crtendS%O%s}        \
 129    %:if-exists(crtn%O%s)"
 130
 131 /* Provide a LIB_SPEC appropriate for MINIX.  Just select the appropriate
 132    libc, depending on whether we're doing profiling or need threads support.
 133    (similar to the default, except no -lg, and no -p).  */
 134 #define MINIX_LIB_SPEC "                                                \
 135 %{pthread: %eThe -pthread option is only supported on MINIX when gcc    \
 136 is built with the --enable-threads configure-time option.}              \
 137   %{shared:-lc}                 \
 138   %{!shared:                    \
 139     %{!symbolic:                \
 140       %{!p:                     \
 141         %{!pg:-lc}}             \
 142       %{p:-lc_p}                \
 143       %{pg:-lc_p}}}"
 144
 145 /* Provide a LINK_SPEC appropriate for MINIX.  Here we provide support
 146    for the special GCC options -static and -shared, which allow us to
 147    link things in one of these three modes by applying the appropriate
 148    combinations of options at link-time. We like to support here for
 149    as many of the other GNU linker options as possible. But I don't
 150    have the time to search for those flags. I am sure how to add
 151    support for -soname shared_object_name. H.J.
 152
 153    I took out %{v:%{!V:-V}}. It is too much :-(. They can use
 154    -Wl,-V.
 155
 156    When the -shared link option is used a final link is not being
 157    done.  */
 158 #define MINIX_LINK_SPEC "                                               \
 159   -X                                                                    \
 160   %{p:%nconsider using `-pg' instead of `-p' with gprof(1) }            \
 161   %{assert*} %{R*} %{rpath*}                                            \
 162   %{shared:-Bshareable %{h*} %{soname*}}                                \
 163   %{symbolic:-Bsymbolic}                                                \
 164   %{!shared:                                                            \
 165     -dc -dp                                                             \
 166     %{!static:                                                          \
 167       %{rdynamic:-export-dynamic}                                       \
 168       %{!dynamic-linker:-dynamic-linker %(minix_dynamic_linker) }}      \
 169     %{static:-Bstatic}}"
 170
 171 #define MINIX_TARGET_UNWIND_TABLES_DEFAULT true