mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
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.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "version.h"
|
|
#include <tls.h>
|
|
#include <libc-abis.h>
|
|
#include <gnu/libc-version.h>
|
|
|
|
static const char __libc_release[] = RELEASE;
|
|
static const char __libc_version[] = VERSION;
|
|
|
|
static const char banner[] =
|
|
"GNU C Library "PKGVERSION RELEASE" release version "VERSION".\n\
|
|
Copyright (C) 2017 Free Software Foundation, Inc.\n\
|
|
This is free software; see the source for copying conditions.\n\
|
|
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
|
|
PARTICULAR PURPOSE.\n\
|
|
Compiled by GNU CC version "__VERSION__".\n"
|
|
#ifdef LIBC_ABIS_STRING
|
|
LIBC_ABIS_STRING
|
|
#endif
|
|
"For bug reporting instructions, please see:\n\
|
|
"REPORT_BUGS_TO".\n";
|
|
|
|
#include <unistd.h>
|
|
|
|
extern void __libc_print_version (void) attribute_hidden;
|
|
void
|
|
__libc_print_version (void)
|
|
{
|
|
__write (STDOUT_FILENO, banner, sizeof banner - 1);
|
|
}
|
|
|
|
extern const char *__gnu_get_libc_release (void);
|
|
const char *
|
|
__gnu_get_libc_release (void)
|
|
{
|
|
return __libc_release;
|
|
}
|
|
weak_alias (__gnu_get_libc_release, gnu_get_libc_release)
|
|
|
|
extern const char *__gnu_get_libc_version (void);
|
|
const char *
|
|
__gnu_get_libc_version (void)
|
|
{
|
|
return __libc_version;
|
|
}
|
|
weak_alias (__gnu_get_libc_version, gnu_get_libc_version)
|
|
|
|
/* This function is the entry point for the shared object.
|
|
Running the library as a program will get here. */
|
|
|
|
extern void __libc_main (void) __attribute__ ((noreturn));
|
|
void
|
|
__libc_main (void)
|
|
{
|
|
__libc_print_version ();
|
|
_exit (0);
|
|
}
|