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50 lines
1.8 KiB
50 lines
1.8 KiB
4 months ago
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/* Common argp_print_version_hook for all tools.
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Copyright (C) 2017 The Qt Company Ltd.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifndef PRINTVERSION_H
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#define PRINTVERSION_H 1
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#include <argp.h>
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#include <stdio.h>
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/* Defined in version.c. Common ARGP_PROGRAM_VERSION_HOOK_DEF. */
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void print_version (FILE *stream, struct argp_state *state);
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/* We need define two variables, argp_program_version_hook and
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argp_program_bug_address, in all programs. argp.h declares these
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variables as non-const (which is correct in general). But we can
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do better, it is not going to change. So we want to move them into
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the .rodata section. Define macros to do the trick. */
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#define ARGP_PROGRAM_VERSION_HOOK_DEF \
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void (*const apvh) (FILE *, struct argp_state *) \
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__asm ("argp_program_version_hook")
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#define ARGP_PROGRAM_BUG_ADDRESS_DEF \
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const char *const apba__ __asm ("argp_program_bug_address")
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#endif // PRINTVERSION_H
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