Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/lib/printversion.h b/lib/printversion.h
new file mode 100644
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--- /dev/null
+++ b/lib/printversion.h
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+/* Common argp_print_version_hook for all tools.
+ Copyright (C) 2017 The Qt Company Ltd.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef PRINTVERSION_H
+#define PRINTVERSION_H 1
+
+#include <argp.h>
+#include <stdio.h>
+
+/* Defined in version.c. Common ARGP_PROGRAM_VERSION_HOOK_DEF. */
+void print_version (FILE *stream, struct argp_state *state);
+
+/* We need define two variables, argp_program_version_hook and
+ argp_program_bug_address, in all programs. argp.h declares these
+ variables as non-const (which is correct in general). But we can
+ do better, it is not going to change. So we want to move them into
+ the .rodata section. Define macros to do the trick. */
+#define ARGP_PROGRAM_VERSION_HOOK_DEF \
+ void (*const apvh) (FILE *, struct argp_state *) \
+ __asm ("argp_program_version_hook")
+#define ARGP_PROGRAM_BUG_ADDRESS_DEF \
+ const char *const apba__ __asm ("argp_program_bug_address")
+
+#endif // PRINTVERSION_H