From b5f0874cd96ee2a62aabc645b9626c2749cb6a01 Mon Sep 17 00:00:00 2001 From: manuel Date: Mon, 26 Mar 2012 12:54:45 +0200 Subject: initial pintos checkin --- pintos-progos/tests/vm/mmap-over-code.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 pintos-progos/tests/vm/mmap-over-code.c (limited to 'pintos-progos/tests/vm/mmap-over-code.c') diff --git a/pintos-progos/tests/vm/mmap-over-code.c b/pintos-progos/tests/vm/mmap-over-code.c new file mode 100644 index 0000000..d3619a3 --- /dev/null +++ b/pintos-progos/tests/vm/mmap-over-code.c @@ -0,0 +1,19 @@ +/* Verifies that mapping over the code segment is disallowed. */ + +#include +#include +#include +#include "tests/lib.h" +#include "tests/main.h" + +void +test_main (void) +{ + uintptr_t test_main_page = ROUND_DOWN ((uintptr_t) test_main, 4096); + int handle; + + CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\""); + CHECK (mmap (handle, (void *) test_main_page) == MAP_FAILED, + "try to mmap over code segment"); +} + -- cgit v1.2.3