From 4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b Mon Sep 17 00:00:00 2001 From: manuel Date: Tue, 27 Mar 2012 11:51:08 +0200 Subject: reorganize file structure to match the upstream requirements --- tests/vm/mmap-over-data.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 tests/vm/mmap-over-data.c (limited to 'tests/vm/mmap-over-data.c') diff --git a/tests/vm/mmap-over-data.c b/tests/vm/mmap-over-data.c new file mode 100644 index 0000000..9ea5d49 --- /dev/null +++ b/tests/vm/mmap-over-data.c @@ -0,0 +1,21 @@ +/* Verifies that mapping over the data segment is disallowed. */ + +#include +#include +#include +#include "tests/lib.h" +#include "tests/main.h" + +static char x; + +void +test_main (void) +{ + uintptr_t x_page = ROUND_DOWN ((uintptr_t) &x, 4096); + int handle; + + CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\""); + CHECK (mmap (handle, (void *) x_page) == MAP_FAILED, + "try to mmap over data segment"); +} + -- cgit v1.2.3