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825adeeed1
Since __dso_handle is always defined by either crtbegin.o from GCC or dso_handle.c, it should be marked as hidden and be passed directly. [BZ #18822] * dlfcn/modatexit.c (foo): Remove __dso_handle check. * dlfcn/modcxaatexit.c: Include <dso_handle.h>. (__dso_handle): Remove declaration. * dlfcn/tstatexit.c (__dso_handle): Removed. (main): Don't check __dso_handle. * dlfcn/tstcxaatexit.c (__dso_handle): Removed. (main): Don't check __dso_handle. * include/dso_handle.h: New file. * malloc/mtrace.c: Include <dso_handle.h>. (mtrace): Pass __dso_handle directly. * nptl/pthread_atfork.c: Include <dso_handle.h>. (__dso_handle): Remove declaration. (__pthread_atfork): Pass __dso_handle directly. * nptl/tst-atfork2mod.c: Include <dso_handle.h>. (__dso_handle): Removed. * posix/wordexp-test.c: Include <dso_handle.h>. (__dso_handle): Remove declaration. (__app_register_atfork): Pass __dso_handle directly. * stdlib/at_quick_exit.c: Include <dso_handle.h>. (__dso_handle): Remove declaration. (at_quick_exit): Pass __dso_handle directly. * stdlib/atexit.c: Include <dso_handle.h>. (__dso_handle): Remove declaration. (atexit): Pass __dso_handle directly. * stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>. (__dso_handle): Removed.
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* Copyright (C) 2001-2017 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 <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main (void)
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{
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const char fname[] = "modcxaatexit.so";
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void *h;
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void (*fp) (void *);
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int v = 0;
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h = dlopen (fname, RTLD_LAZY);
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if (h == NULL)
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{
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printf ("cannot open \"%s\": %s\n", fname, dlerror ());
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exit (1);
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}
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fp = dlsym (h, "bar");
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if (fp == NULL)
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{
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printf ("cannot find \"bar\": %s\n", dlerror ());
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exit (1);
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}
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fp (&v);
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if (dlclose (h) != 0)
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{
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printf ("cannot close \"%s\": %s\n", fname, dlerror ());
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exit (1);
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}
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if (v != 1)
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{
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puts ("module unload didn't change `v'");
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exit (1);
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}
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puts ("finishing now");
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return 0;
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}
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