diff options
| author | Andrew Turner <andrew@FreeBSD.org> | 2019-02-21 10:11:15 +0000 |
|---|---|---|
| committer | Andrew Turner <andrew@FreeBSD.org> | 2019-02-21 10:11:15 +0000 |
| commit | bdffe3b5bf0008664ec7d1d8c919f71014538830 (patch) | |
| tree | 0a9562715e761e33edc924574491157d514d8231 /tests | |
| parent | bd525778990bbaa621c34c7876c378609799d7c2 (diff) | |
Notes
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/sys/kern/kcov.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tests/sys/kern/kcov.c b/tests/sys/kern/kcov.c index c892e69523d9..0a59ddbeff73 100644 --- a/tests/sys/kern/kcov.c +++ b/tests/sys/kern/kcov.c @@ -80,7 +80,7 @@ ATF_TC_BODY(kcov_bufsize, tc) ATF_TC_WITHOUT_HEAD(kcov_mmap); ATF_TC_BODY(kcov_mmap, tc) { - void *data; + void *data1, *data2; int fd; fd = open_kcov(); @@ -95,12 +95,18 @@ ATF_TC_BODY(kcov_mmap, tc) fd, 0) == MAP_FAILED); ATF_CHECK(mmap(NULL, 3 * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0) == MAP_FAILED); - ATF_REQUIRE((data = mmap(NULL, 2 * PAGE_SIZE, PROT_READ | PROT_WRITE, + ATF_REQUIRE((data1 = mmap(NULL, 2 * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) != MAP_FAILED); - ATF_CHECK(mmap(NULL, 2 * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, - fd, 0) == MAP_FAILED); + ATF_REQUIRE((data2 = mmap(NULL, 2 * PAGE_SIZE, PROT_READ | PROT_WRITE, + MAP_SHARED, fd, 0)) != MAP_FAILED); + + *(uint64_t *)data1 = 0x123456789abcdeful; + ATF_REQUIRE(*(uint64_t *)data2 == 0x123456789abcdefull); + *(uint64_t *)data2 = 0xfedcba9876543210ul; + ATF_REQUIRE(*(uint64_t *)data1 == 0xfedcba9876543210ull); - munmap(data, 2 * PAGE_SIZE); + munmap(data1, 2 * PAGE_SIZE); + munmap(data2, 2 * PAGE_SIZE); close(fd); } |