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c5edd3b884
Define ATTRIBUTE_FALLTHROUGH to __attribute__ ((fallthrough)) only for GCC 7 or above. PR gprof/28969 * common/gp-defs.h (ATTRIBUTE_FALLTHROUGH): New. * src/gp-collect-app.cc (collect::check_args): Replace /* FALLTHROUGH */ with ATTRIBUTE_FALLTHROUGH.
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _GP_DEFS_H_
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#define _GP_DEFS_H_
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/* Define the ARCH and WSIZE predicates */
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/*
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* The way we define and use predicates is similar to the
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* standard #assert with one important exception:
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* if an argument of a predicate is not known the result
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* is 'false' and we want a compile time error to avoid
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* silent results from typos like ARCH(INTEL), COMPILER(gnu),
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* etc.
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*/
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#define ARCH(x) TOK_A_##x(ARCH)
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#define TOK_A_Aarch64(x) x##_Aarch64
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#define TOK_A_SPARC(x) x##_SPARC
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#define TOK_A_Intel(x) x##_Intel
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#define WSIZE(x) TOK_W_##x(WSIZE)
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#define TOK_W_32(x) x##_32
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#define TOK_W_64(x) x##_64
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#if defined(sparc) || defined(__sparcv9)
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#define ARCH_SPARC 1
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#elif defined(__i386__) || defined(__x86_64)
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#define ARCH_Intel 1
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#elif defined(__aarch64__)
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#define ARCH_Aarch64 1
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#else
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#error "Undefined platform"
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#endif
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#if defined(__sparcv9) || defined(__x86_64) || defined(__aarch64__)
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#define WSIZE_64 1
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#else
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#define WSIZE_32 1
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#endif
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#ifndef ATTRIBUTE_FALLTHROUGH
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# if (GCC_VERSION >= 7000)
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# define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
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# else
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# define ATTRIBUTE_FALLTHROUGH /* Fall through */
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# endif
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#endif
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#endif
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