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author | ngie <ngie@FreeBSD.org> | 2015-04-27 17:53:09 +0000 |
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committer | ngie <ngie@FreeBSD.org> | 2015-04-27 17:53:09 +0000 |
commit | eed7f1bcd9cdfbc4f011e05ed27e4f6e9ba4b69f (patch) | |
tree | 2abe56770d03756575999913bb46aa27fc1503a2 /tests/sys/vm | |
parent | 384815e14833988c2cc837714dabccc451cf6c12 (diff) | |
download | FreeBSD-src-eed7f1bcd9cdfbc4f011e05ed27e4f6e9ba4b69f.zip FreeBSD-src-eed7f1bcd9cdfbc4f011e05ed27e4f6e9ba4b69f.tar.gz |
Move tests/sys/kern/mmap_test to tests/sys/vm/mmap_test
As jhb noted, the actual mmap(2) implementation is under sys/vm, not
sys/kern/, so the correct logical place is tests/sys/vm/, not
tests/sys/kern/
X-MFC with: r282076
MFC after: 6 days
Diffstat (limited to 'tests/sys/vm')
-rw-r--r-- | tests/sys/vm/Makefile | 7 | ||||
-rw-r--r-- | tests/sys/vm/mmap_test.c | 105 |
2 files changed, 112 insertions, 0 deletions
diff --git a/tests/sys/vm/Makefile b/tests/sys/vm/Makefile new file mode 100644 index 0000000..1795eef --- /dev/null +++ b/tests/sys/vm/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +TESTSDIR= ${TESTSBASE}/sys/vm + +TAP_TESTS_C+= mmap_test + +.include <bsd.test.mk> diff --git a/tests/sys/vm/mmap_test.c b/tests/sys/vm/mmap_test.c new file mode 100644 index 0000000..7591a09 --- /dev/null +++ b/tests/sys/vm/mmap_test.c @@ -0,0 +1,105 @@ +/*- + * Copyright (c) 2009 Simon L. Nielsen <simon@FreeBSD.org>, + * Bjoern A. Zeeb <bz@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/mman.h> +#include <sys/sysctl.h> +#include <sys/types.h> + +#include <errno.h> +#include <stdio.h> +#include <string.h> + +static const struct { + void *addr; + int ok[2]; /* Depending on security.bsd.map_at_zero {0, !=0}. */ +} tests[] = { + { (void *)0, { 0, 1 } }, /* Test sysctl. */ + { (void *)1, { 0, 0 } }, + { (void *)(PAGE_SIZE - 1), { 0, 0 } }, + { (void *)PAGE_SIZE, { 1, 1 } }, + { (void *)-1, { 0, 0 } }, + { (void *)(-PAGE_SIZE), { 0, 0 } }, + { (void *)(-1 - PAGE_SIZE), { 0, 0 } }, + { (void *)(-1 - PAGE_SIZE - 1), { 0, 0 } }, + { (void *)(0x1000 * PAGE_SIZE), { 1, 1 } }, +}; + +#define MAP_AT_ZERO "security.bsd.map_at_zero" + +int +main(void) +{ + void *p; + size_t len; + int i, error, mib[3], map_at_zero; + + error = 0; + + /* Get the current sysctl value of security.bsd.map_at_zero. */ + len = sizeof(mib) / sizeof(*mib); + if (sysctlnametomib(MAP_AT_ZERO, mib, &len) == -1) { + printf("1..0 # SKIP: sysctlnametomib(\"%s\") failed: %s\n", + MAP_AT_ZERO, strerror(errno)); + return (0); + } + + len = sizeof(map_at_zero); + if (sysctl(mib, 3, &map_at_zero, &len, NULL, 0) == -1) { + printf("1..0 # SKIP: sysctl for %s failed: %s\n", MAP_AT_ZERO, + strerror(errno)); + return (0); + } + + /* Normalize to 0 or 1 for array access. */ + map_at_zero = !!map_at_zero; + + printf("1..%zu\n", nitems(tests)); + for (i = 0; i < (int)nitems(tests); i++) { + p = mmap((void *)tests[i].addr, PAGE_SIZE, + PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED, + -1, 0); + if (p == MAP_FAILED) { + if (tests[i].ok[map_at_zero] != 0) + error++; + printf("%sok %d # mmap(%p, ...) failed\n", + tests[i].ok[map_at_zero] == 0 ? "" : "not ", + i + 1, + tests[i].addr); + } else { + if (tests[i].ok[map_at_zero] != 1) + error++; + printf("%sok %d # mmap(%p, ...) succeeded: p=%p\n", + tests[i].ok[map_at_zero] == 1 ? "" : "not ", + i + 1, + tests[i].addr, p); + } + } + + return (error != 0); +} |