1/* Copyright (C) 2021 Free Software Foundation, Inc.
2   Contributed by Oracle.
3
4   This file is part of GNU Binutils.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3, or (at your option)
9   any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21#ifndef _GP_DEFS_H_
22#define _GP_DEFS_H_
23
24/* Define the ARCH and WSIZE predicates */
25/*
26 * The way we define and use predicates is similar to the
27 * standard #assert with one important exception:
28 * if an argument of a predicate is not known the result
29 * is 'false' and we want a compile time error to avoid
30 * silent results from typos like ARCH(INTEL), COMPILER(gnu),
31 * etc.
32 */
33#define ARCH(x)             TOK_A_##x(ARCH)
34#define TOK_A_Aarch64(x)    x##_Aarch64
35#define TOK_A_SPARC(x)      x##_SPARC
36#define TOK_A_Intel(x)      x##_Intel
37
38#define WSIZE(x)            TOK_W_##x(WSIZE)
39#define TOK_W_32(x)         x##_32
40#define TOK_W_64(x)         x##_64
41
42#if defined(sparc) || defined(__sparcv9)
43#define ARCH_SPARC          1
44#elif defined(__i386__) || defined(__x86_64)
45#define ARCH_Intel          1
46#elif defined(__aarch64__)
47#define ARCH_Aarch64        1
48#else
49#error "Undefined platform"
50#endif
51
52#if defined(__sparcv9) || defined(__x86_64) || defined(__aarch64__)
53#define WSIZE_64            1
54#else
55#define WSIZE_32            1
56#endif
57
58#ifndef ATTRIBUTE_FALLTHROUGH
59# if (GCC_VERSION >= 7000)
60#  define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
61# else
62#  define ATTRIBUTE_FALLTHROUGH	/* Fall through */
63# endif
64#endif
65
66#endif
67