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2005-01-21 Jakub Jelinek <jakub@redhat.com> * elf/Makefile: Add rules to build and run tst-align2. * elf/tst-align2.c: New test. * elf/tst-alignmod2.c: New file. * sysdeps/powerpc/tst-stack-align.h: New file. * sysdeps/i386/dl-machine.h (RTLD_START): Align stack and clear frame pointer before calling _dl_init. * sysdeps/x86_64/dl-machine.h (RTLD_START): Likewise.
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdbool.h>
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#include <stdio.h>
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#include <tst-stack-align.h>
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#include <unistd.h>
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static int res, *fdp;
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static bool *test_destructorsp;
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static void __attribute__((constructor))
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con (void)
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{
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res = TEST_STACK_ALIGN () ? -1 : 1;
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}
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void
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in_dso (int *result, bool *test_destructors, int *fd)
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{
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if (!res)
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{
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puts ("constructor has not been run");
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*result = 1;
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}
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else if (res != 1)
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{
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puts ("constructor has been run without sufficient alignment");
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*result = 1;
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}
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test_destructorsp = test_destructors;
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fdp = fd;
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}
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static void __attribute__((destructor))
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des (void)
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{
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if (!test_destructorsp || !*test_destructorsp)
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return;
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char c = TEST_STACK_ALIGN () ? 'D' : 'C';
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write (*fdp, &c, 1);
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}
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