mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
be184b1d26
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.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
|
|
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <tst-stack-align.h>
|
|
#include <unistd.h>
|
|
|
|
static int res, *fdp;
|
|
static bool *test_destructorsp;
|
|
|
|
static void __attribute__((constructor))
|
|
con (void)
|
|
{
|
|
res = TEST_STACK_ALIGN () ? -1 : 1;
|
|
}
|
|
|
|
void
|
|
in_dso (int *result, bool *test_destructors, int *fd)
|
|
{
|
|
if (!res)
|
|
{
|
|
puts ("constructor has not been run");
|
|
*result = 1;
|
|
}
|
|
else if (res != 1)
|
|
{
|
|
puts ("constructor has been run without sufficient alignment");
|
|
*result = 1;
|
|
}
|
|
|
|
test_destructorsp = test_destructors;
|
|
fdp = fd;
|
|
}
|
|
|
|
static void __attribute__((destructor))
|
|
des (void)
|
|
{
|
|
if (!test_destructorsp || !*test_destructorsp)
|
|
return;
|
|
|
|
char c = TEST_STACK_ALIGN () ? 'D' : 'C';
|
|
write (*fdp, &c, 1);
|
|
}
|