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git.ipfire.org Git - thirdparty/gcc.git/blob - gcc/config/vx-common.h
1 /* Target-independent configuration for VxWorks and VxWorks AE.
2 Copyright (C) 2005-2019 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 /* Most of these will probably be overridden by subsequent headers. We
22 undefine them here just in case, and define VXWORKS_ versions of each,
23 to be used in port-specific vxworks.h. */
27 #define LIBGCC_SPEC VXWORKS_LIBGCC_SPEC
31 /* Most of these macros are overridden in "config/vxworks.h" or
32 "config/vxworksae.h" and are here merely for documentation
34 #define VXWORKS_ADDITIONAL_CPP_SPEC ""
35 #define VXWORKS_LIB_SPEC ""
36 #define VXWORKS_LINK_SPEC ""
37 #define VXWORKS_LIBGCC_SPEC ""
38 #define VXWORKS_STARTFILE_SPEC ""
39 #define VXWORKS_ENDFILE_SPEC ""
41 /* VxWorks cannot have dots in constructor labels, because it uses a
42 mutant variation of collect2 that generates C code instead of
43 assembly. Thus each constructor label must be a legitimate C
44 symbol. FIXME: Have VxWorks use real collect2 instead. */
45 #undef NO_DOLLAR_IN_LABEL
46 #define NO_DOT_IN_LABEL
48 /* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures. */
50 #define WCHAR_TYPE "short unsigned int"
51 #undef WCHAR_TYPE_SIZE
52 #define WCHAR_TYPE_SIZE 16
54 /* Likewise wint_t. */
56 #define WINT_TYPE "short unsigned int"
58 #define WINT_TYPE_SIZE 16
60 /* Dwarf2 unwind info is supported. */
61 #undef DWARF2_UNWIND_INFO
62 #define DWARF2_UNWIND_INFO 1
64 /* VxWorks uses DWARF2. */
65 #define DWARF2_DEBUGGING_INFO 1
66 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
68 /* None of these other formats is supported. */
69 #undef DBX_DEBUGGING_INFO
70 #undef XCOFF_DEBUGGING_INFO
71 #undef VMS_DEBUGGING_INFO
73 /* Kernel mode doesn't have ctors/dtors, but RTP mode does. */
74 #define TARGET_HAVE_CTORS_DTORS false
75 #define VXWORKS_OVERRIDE_OPTIONS /* empty */
77 /* No math library needed. */
78 #define MATH_LIBRARY ""
81 #define VXWORKS_FUNCTION_PROFILER(FILE, LABELNO) do \
83 sorry ("profiler support for VxWorks"); \
86 /* We occasionally need to distinguish between the VxWorks variants. */
87 #define VXWORKS_KIND_NORMAL 1
88 #define VXWORKS_KIND_AE 2
91 * libitm is not supported on VxWorks. Rather than providing stub
92 * no-op _ITM_registerTMCloneTable/_ITM_deregisterTMCloneTable
93 * functions, simply prevent crtstuff from even referring to those.
95 #define USE_TM_CLONE_REGISTRY 0