58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* Program with local IFUNC resolver which crashes, for testing bug 24214.
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Copyright (C) 2019-2022 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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<https://www.gnu.org/licenses/>. */
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/* The construct below is expected to produce an IRELATIVE relocation
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with an IFUNC resolver that crashes. ldd should not performs such
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relocations. */
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#include <config.h>
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#ifdef HAVE_GCC_IFUNC
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# include <stddef.h>
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static void
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implementation (void)
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{
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/* Produce a crash, without depending on any relocations. */
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volatile char *volatile p = NULL;
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*p = 0;
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}
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static __typeof__ (implementation) *
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resolver (void)
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{
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/* Produce a crash, without depending on any relocations. */
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volatile char *volatile p = NULL;
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*p = 0;
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return implementation;
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}
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static void magic (void) __attribute__ ((ifunc ("resolver")));
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void (*magic_ptr) (void) = magic;
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#endif /* HAVE_GCC_IFUNC */
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/* The program is expected not to run. */
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int
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main (void)
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{
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return 1;
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}
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