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2f8a05d826
Hide internal __libc_print_version function to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * csu/version.c (__libc_print_version): Add attribute_hidden.
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* Copyright (C) 1992-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "version.h"
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#include <tls.h>
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#include <libc-abis.h>
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#include <gnu/libc-version.h>
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static const char __libc_release[] = RELEASE;
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static const char __libc_version[] = VERSION;
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static const char banner[] =
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"GNU C Library "PKGVERSION RELEASE" release version "VERSION".\n\
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Copyright (C) 2017 Free Software Foundation, Inc.\n\
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This is free software; see the source for copying conditions.\n\
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There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
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PARTICULAR PURPOSE.\n\
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Compiled by GNU CC version "__VERSION__".\n"
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#ifdef LIBC_ABIS_STRING
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LIBC_ABIS_STRING
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#endif
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"For bug reporting instructions, please see:\n\
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"REPORT_BUGS_TO".\n";
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#include <unistd.h>
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extern void __libc_print_version (void) attribute_hidden;
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void
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__libc_print_version (void)
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{
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__write (STDOUT_FILENO, banner, sizeof banner - 1);
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}
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extern const char *__gnu_get_libc_release (void);
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const char *
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__gnu_get_libc_release (void)
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{
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return __libc_release;
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}
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weak_alias (__gnu_get_libc_release, gnu_get_libc_release)
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extern const char *__gnu_get_libc_version (void);
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const char *
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__gnu_get_libc_version (void)
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{
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return __libc_version;
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}
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weak_alias (__gnu_get_libc_version, gnu_get_libc_version)
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/* This function is the entry point for the shared object.
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Running the library as a program will get here. */
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extern void __libc_main (void) __attribute__ ((noreturn));
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void
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__libc_main (void)
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{
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__libc_print_version ();
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_exit (0);
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}
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