libc/sys/t_mprotect.c

87 	void *map;
100 		map = mmap(NULL, page, prot[i], MAP_SHARED, fd, 0);
102 		if (map == MAP_FAILED)
107 		ATF_REQUIRE(mprotect(map, page, PROT_WRITE) != 0);
109 		ATF_REQUIRE(munmap(map, page) == 0);
147 	void *map;
174 	map = mmap(NULL, page, PROT_MPROTECT(PROT_EXEC)|PROT_WRITE|PROT_READ,
176 	ATF_REQUIRE(map != MAP_FAILED);
178 	memcpy(map, (void *)return_one,
182 	ATF_REQUIRE(mprotect(map, page, PROT_EXEC|PROT_READ) == 0);
183 	ATF_REQUIRE(((int (*)(void))map)() == 1);
186 	ATF_REQUIRE(mprotect(map, page, PROT_READ) == 0);
193 		ATF_CHECK(((int (*)(void))map)() == 1);
199 	ATF_REQUIRE(munmap(map, page) == 0);
229 	void *map;
258 		map = mmap(NULL, page, prot[i], MAP_ANON, -1, 0);
260 		if (map == MAP_FAILED)
263 		rv = mprotect(map, 1, prot[i] | PROT_EXEC);
265 		(void)munmap(map, page);
287 	void *map;
295 	map = mmap(NULL, page, PROT_WRITE|PROT_READ, MAP_ANON, -1, 0);
296 	ATF_REQUIRE(map != MAP_FAILED);
298 	ATF_REQUIRE(strlcpy(map, "XXX", 3) == 3);
299 	ATF_REQUIRE(mprotect(map, page, PROT_READ) == 0);
306 		ATF_REQUIRE(strlcpy(map, "XXX", 3) == 0);
313 	ATF_REQUIRE(munmap(map, page) == 0);
328 	void *map, *map2;
339 	map = mmap(NULL, page, PROT_MPROTECT(PROT_EXEC|PROT_WRITE|PROT_READ),
341 	ATF_REQUIRE(map != MAP_FAILED);
342 	map2 = mremap(map, page, NULL, page, MAP_REMAPDUP);
344 	ATF_REQUIRE(mprotect(map, page, PROT_WRITE|PROT_READ) == 0);
347 	memcpy(map, (void *)return_one,
349 	__builtin___clear_cache(map, (void *)((uintptr_t)map + page));
374 			ATF_REQUIRE(((int (*)(void))map)() == 1);
383 	ATF_REQUIRE(munmap(map, page) == 0);
396 	void *map, *map2;
410 	map = mmap(NULL, page, PROT_READ|PROT_WRITE|PROT_MPROTECT(PROT_EXEC),
412 	ATF_REQUIRE(map != MAP_FAILED);
413 	map2 = mremap(map, page, NULL, page, MAP_REMAPDUP);
417 	memcpy(map, (void *)return_1,
419 	__builtin___clear_cache(map, (void *)((uintptr_t)map + page));
431 	memcpy(map, (void *)return_2,
433 	__builtin___clear_cache(map, (void *)((uintptr_t)map + page));
437 	ATF_REQUIRE(munmap(map, page) == 0);