1 /* Copyright (C) 2016-2018 Free Software Foundation, Inc.
2
3 This file is part of GCC.
4
5 GCC is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 GCC is distributed in the hope that it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
13 License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with GCC; see the file COPYING3. If not see
17 <http://www.gnu.org/licenses/>.
18 */
19
20 #define IN_TARGET_CODE 1
21
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "tm.h"
26 #include "tree.h"
27 #include "memmodel.h"
28 #include "tm_p.h"
29 #include "cpplib.h"
30 #include "c-family/c-common.h"
31 #include "target.h"
32
33 #define builtin_define(TXT) cpp_define (pfile, TXT)
34 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
35
36 /* Define or undefine macros based on the current target. */
37
38 static void
def_or_undef_macro(cpp_reader * pfile,const char * name,bool def_p)39 def_or_undef_macro (cpp_reader* pfile, const char *name, bool def_p)
40 {
41 if (def_p)
42 cpp_define (pfile, name);
43 else
44 cpp_undef (pfile, name);
45 }
46
47 /* Helper for TARGET_CPU_CPP_BUILTINS hook. */
48
49 void
arc_cpu_cpp_builtins(cpp_reader * pfile)50 arc_cpu_cpp_builtins (cpp_reader * pfile)
51 {
52 builtin_assert ("cpu=arc");
53 builtin_assert ("machine=arc");
54
55 builtin_define ("__arc__");
56
57 #undef ARC_C_DEF
58 #define ARC_C_DEF(NAME, CONDITION) \
59 def_or_undef_macro (pfile, NAME, CONDITION);
60
61 #include "arc-c.def"
62 #undef ARC_C_DEF
63
64 builtin_define_with_int_value ("__ARC_TLS_REGNO__",
65 arc_tp_regno);
66
67 builtin_define_with_int_value ("__ARC_LPC_WIDTH__", arc_lpcwidth);
68
69 builtin_define (TARGET_BIG_ENDIAN
70 ? "__BIG_ENDIAN__" : "__LITTLE_ENDIAN__");
71 if (TARGET_BIG_ENDIAN)
72 builtin_define ("__big_endian__");
73
74 }
75