1 /* Common VxWorks AE target definitions for GNU compiler.
2    Copyright (C) 2004-2018 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 #undef VXWORKS_STARTFILE_SPEC
54 #define VXWORKS_STARTFILE_SPEC ""
55 
56 #define VXWORKS_KIND VXWORKS_KIND_AE
57 
58 /* Both kernels and RTPs have the facilities required by this macro.  */
59 #define TARGET_POSIX_IO
60 
61 /* A VxWorks 653 implementation of TARGET_OS_CPP_BUILTINS.  */
62 #define VXWORKS_OS_CPP_BUILTINS()                                       \
63   do                                                                    \
64     {                                                                   \
65       builtin_define ("__vxworks");                                     \
66       builtin_define ("__VXWORKS__");                                   \
67     }                                                                   \
68   while (0)
69 
70 /* Do VxWorks-specific parts of TARGET_OPTION_OVERRIDE.  */
71 
72 /* None of the VxWorks AE/653/MILS ports to date has native TLS support.  */
73 #define VXWORKS_HAVE_TLS 0
74 
75 #undef VXWORKS_OVERRIDE_OPTIONS
76 #define VXWORKS_OVERRIDE_OPTIONS vxworks_override_options ()
77 extern void vxworks_override_options (void);
78 
79 /* Default dwarf control values, for non-gdb debuggers that come with
80    VxWorks.  */
81 
82 #undef VXWORKS_DWARF_VERSION_DEFAULT
83 #define VXWORKS_DWARF_VERSION_DEFAULT 2
84 
85 #undef DWARF_GNAT_ENCODINGS_DEFAULT
86 #define DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_ALL
87