From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- cmake/stack_direction.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 cmake/stack_direction.c (limited to 'cmake/stack_direction.c') diff --git a/cmake/stack_direction.c b/cmake/stack_direction.c new file mode 100644 index 00000000..1f7a5d0b --- /dev/null +++ b/cmake/stack_direction.c @@ -0,0 +1,33 @@ +/* + Copyright (c) 2009 Sun Microsystems, Inc. + Use is subject to license terms. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* Check stack direction (0-down, 1-up) */ +int f(int *a) +{ + int b; + return(&b > a)?1:0; +} +/* + Prevent compiler optimizations by calling function + through pointer. +*/ +volatile int (*ptr_f)(int *) = f; +int main() +{ + int a; + return ptr_f(&a); +} -- cgit v1.2.3