From be184b1d265431c975332eea4047d3a69f7e9f57 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 22 Jan 2005 07:55:35 +0000 Subject: Update. 2005-01-21 Jakub Jelinek * 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. --- elf/tst-alignmod2.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 elf/tst-alignmod2.c (limited to 'elf/tst-alignmod2.c') diff --git a/elf/tst-alignmod2.c b/elf/tst-alignmod2.c new file mode 100644 index 0000000000..21dcc535c0 --- /dev/null +++ b/elf/tst-alignmod2.c @@ -0,0 +1,60 @@ +/* Copyright (C) 2003, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 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 +#include +#include +#include + +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); +} -- cgit v1.2.3