gcc/config/vxworksae.h

   1 /* Common VxWorks AE target definitions for GNU compiler.
   2    Copyright (C) 2004-2024 Free Software Foundation, Inc.
   3    Contributed by CodeSourcery, LLC.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 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 /* This header should be included after including vx-common.h.  */
  22
  23 /* Most of the definitions below this point are versions of the
  24    vxworks.h definitions, without the -mrtp bits.  */
  25
  26 /* Resolve subdirectory of VxWorks AE target headers.  */
  27 #define VXWORKSAE_TARGET_DIR(SUBDIR) "%:getenv(WIND_BASE /target" SUBDIR ")"
  28
  29 /* Include target/vThreads/h or target/h (depending on the compilation
  30    mode), and then target/val/h (in either mode).  The macros defined
  31    are in the user's namespace, but the VxWorks headers require
  32    them.  */
  33 #undef VXWORKS_ADDITIONAL_CPP_SPEC
  34 #define VXWORKS_ADDITIONAL_CPP_SPEC "                                   \
  35  %{!nostdinc:%{isystem*}}                                               \
  36  %{mvthreads:-DVTHREADS=1                                               \
  37          %{!nostdinc:-isystem " VXWORKSAE_TARGET_DIR("/vThreads/h") "}} \
  38  %{!mvthreads:-DAE653_BUILD=1                                           \
  39          %{!nostdinc:-isystem " VXWORKSAE_TARGET_DIR("/h") "}}          \
  40  %{!nostdinc:-isystem " VXWORKSAE_TARGET_DIR("/val/h") "}"
  41
  42 #undef VXWORKS_LIB_SPEC
  43 #define VXWORKS_LIB_SPEC ""
  44
  45 #undef VXWORKS_LINK_SPEC
  46 #define VXWORKS_LINK_SPEC       \
  47   "-r %{v:-V}"
  48
  49 #undef VXWORKS_LIBGCC_SPEC
  50 #define VXWORKS_LIBGCC_SPEC     \
  51   "-lgcc"
  52
  53 /* The VxWorks AE ports features are restricted on purpose.  No RTPs,
  54    for example.  */
  55
  56 #undef TARGET_VXWORKS_HAVE_CTORS_DTORS
  57 #define TARGET_VXWORKS_HAVE_CTORS_DTORS 0
  58
  59 #undef VXWORKS_STARTFILE_SPEC
  60 #define VXWORKS_STARTFILE_SPEC ""
  61
  62 #define VXWORKS_KIND VXWORKS_KIND_AE
  63
  64 /* Both kernels and RTPs have the facilities required by this macro.  */
  65 #define TARGET_POSIX_IO
  66
  67 /* The AE/653 system headers all predate the introduction of _VX_ prefixes
  68    ahead of CPU families of macros.  */
  69 #define VX_CPU_PREFIX ""
  70
  71 /* A VxWorks 653 implementation of TARGET_OS_CPP_BUILTINS.  */
  72 #define VXWORKS_OS_CPP_BUILTINS()                                       \
  73   do                                                                    \
  74     {                                                                   \
  75       builtin_define ("__vxworks");                                     \
  76       builtin_define ("__VXWORKS__");                                   \
  77     }                                                                   \
  78   while (0)
  79
  80 /* Do VxWorks-specific parts of TARGET_OPTION_OVERRIDE.  */
  81
  82 /* None of the VxWorks AE/653/MILS ports to date has native TLS support.  */
  83 #define VXWORKS_HAVE_TLS 0
  84
  85 #undef VXWORKS_OVERRIDE_OPTIONS
  86 #define VXWORKS_OVERRIDE_OPTIONS vxworks_override_options ()
  87 extern void vxworks_override_options (void);
  88
  89 /* Default dwarf control values, for non-gdb debuggers that come with
  90    VxWorks.  */
  91
  92 #undef VXWORKS_DWARF_VERSION_DEFAULT
  93 #define VXWORKS_DWARF_VERSION_DEFAULT 2
  94
  95 #undef DWARF_GNAT_ENCODINGS_DEFAULT
  96 #define DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_ALL