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b5237c0746
Add tst-p_alignmod1-edit to edit the copy of tst-p_alignmod-base.so to reduce p_align of the first PT_LOAD segment by half and verify that the shared library is mapped with the maximum p_align of all PT_LOAD segments. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Check alignment of PT_LOAD segment in a shared library.
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Copyright (C) 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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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <support/check.h>
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#include <tst-file-align.h>
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#include "tst-p_align.h"
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int foo __attribute__ ((aligned (ALIGN))) = 1;
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bool
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__attribute__ ((weak, noclone, noinline))
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is_aligned_p (void *p, int align)
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{
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return (((uintptr_t) p) & (align - 1)) == 0;
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}
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int
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do_load_test (void)
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{
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printf ("foo: %p\n", &foo);
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TEST_VERIFY (is_aligned_p (&foo, ALIGN));
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return 0;
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}
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