1 #include <sys/sysctl.h>
2 #include <signal.h>
3 #include <darwintest.h>
4 #include <darwintest_utils.h>
5
6 T_GLOBAL_META(
7 T_META_NAMESPACE("xnu.vm"),
8 T_META_RADAR_COMPONENT_NAME("xnu"),
9 T_META_RADAR_COMPONENT_VERSION("VM"),
10 T_META_ASROOT(YES),
11 T_META_RUN_CONCURRENTLY(true));
12
13 static int64_t
run_sysctl_test(const char * t,int64_t value)14 run_sysctl_test(const char *t, int64_t value)
15 {
16 char name[1024];
17 int64_t result = 0;
18 size_t s = sizeof(value);
19 int rc;
20
21 snprintf(name, sizeof(name), "debug.test.%s", t);
22 rc = sysctlbyname(name, &result, &s, &value, s);
23 T_ASSERT_POSIX_SUCCESS(rc, "sysctlbyname(%s)", t);
24 return result;
25 }
26
27 T_DECL(vm_map_non_aligned,
28 "Test that we can destroy map unaligned mappings (rdar://88969652)",
29 T_META_TAG_VM_PREFERRED)
30 {
31 T_EXPECT_EQ(1ull, run_sysctl_test("vm_map_non_aligned", 0), "vm_map_non_aligned");
32 }
33
34 T_DECL(vm_map_null,
35 "Test that we can call vm_map functions with VM_MAP_NULL",
36 T_META_TAG_VM_PREFERRED)
37 {
38 int64_t result = run_sysctl_test("vm_map_null", 0);
39 T_EXPECT_EQ(1ull, result, "vm_map_null");
40 }
41
42 T_DECL(vm_memory_entry_pgz,
43 "Test that we can make a memory entry of a pgz protected allocation (rdar://122836976)",
44 T_META_TAG_VM_PREFERRED)
45 {
46 int64_t result = run_sysctl_test("vm_memory_entry_pgz", 0);
47 if (result == 2) {
48 T_SKIP("Unable to pgz_protect allocation. Pgz slots might be full.");
49 }
50 T_EXPECT_EQ(1ull, result, "vm_memory_entry_pgz");
51 }
52