1 /* Common VxWorks AE target definitions for GNU compiler.
2 Copyright (C) 2004-2022 Free Software Foundation, Inc.
3 Contributed by CodeSourcery, LLC.
5 This file is part of GCC.
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
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
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/>. */
21 /* This header should be included after including vx-common.h. */
23 /* Most of the definitions below this point are versions of the
24 vxworks.h definitions, without the -mrtp bits. */
26 /* Resolve subdirectory of VxWorks AE target headers. */
27 #define VXWORKSAE_TARGET_DIR(SUBDIR) "%:getenv(WIND_BASE /target" SUBDIR ")"
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
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") "}"
42 #undef VXWORKS_LIB_SPEC
43 #define VXWORKS_LIB_SPEC ""
45 #undef VXWORKS_LINK_SPEC
46 #define VXWORKS_LINK_SPEC \
49 #undef VXWORKS_LIBGCC_SPEC
50 #define VXWORKS_LIBGCC_SPEC \
53 /* The VxWorks AE ports features are restricted on purpose. No RTPs,
56 #undef TARGET_VXWORKS_HAVE_CTORS_DTORS
57 #define TARGET_VXWORKS_HAVE_CTORS_DTORS 0
59 #undef VXWORKS_STARTFILE_SPEC
60 #define VXWORKS_STARTFILE_SPEC ""
62 #define VXWORKS_KIND VXWORKS_KIND_AE
64 /* Both kernels and RTPs have the facilities required by this macro. */
65 #define TARGET_POSIX_IO
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 ""
71 /* A VxWorks 653 implementation of TARGET_OS_CPP_BUILTINS. */
72 #define VXWORKS_OS_CPP_BUILTINS() \
75 builtin_define ("__vxworks"); \
76 builtin_define ("__VXWORKS__"); \
80 /* Do VxWorks-specific parts of TARGET_OPTION_OVERRIDE. */
82 /* None of the VxWorks AE/653/MILS ports to date has native TLS support. */
83 #define VXWORKS_HAVE_TLS 0
85 #undef VXWORKS_OVERRIDE_OPTIONS
86 #define VXWORKS_OVERRIDE_OPTIONS vxworks_override_options ()
87 extern void vxworks_override_options (void);
89 /* Default dwarf control values, for non-gdb debuggers that come with
92 #undef VXWORKS_DWARF_VERSION_DEFAULT
93 #define VXWORKS_DWARF_VERSION_DEFAULT 2
95 #undef DWARF_GNAT_ENCODINGS_DEFAULT
96 #define DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_ALL