TEST_END
TEST_BEGIN(test_hooks_expand_simple) {
/* "Simple" in the sense that we're not in a realloc variant. */
hooks_t hooks = {NULL, NULL, &test_expand_hook, (void *)123};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
void *volatile ptr;
/* xallocx() */
reset();
ptr = malloc(1);
size_t new_usize = xallocx(ptr, 100, 200, MALLOCX_TCACHE_NONE);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_expand_xallocx, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer expanded");
assert_u64_eq(arg_old_usize, nallocx(1, 0), "Wrong old usize");
assert_u64_eq(arg_new_usize, sallocx(ptr, 0), "Wrong new usize");
assert_u64_eq(new_usize, arg_result_raw, "Wrong result");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong arg");
assert_u64_eq(100, arg_args_raw[1], "Wrong arg");
assert_u64_eq(200, arg_args_raw[2], "Wrong arg");
assert_u64_eq(MALLOCX_TCACHE_NONE, arg_args_raw[3], "Wrong arg");
hook_remove(TSDN_NULL, handle);
}
TEST_END
TEST_BEGIN(test_hooks_null) {
/* Null hooks should be ignored, not crash. */
hooks_t hooks1 = {NULL, NULL, NULL, NULL};
hooks_t hooks2 = {&test_alloc_hook, NULL, NULL, NULL};
hooks_t hooks3 = {NULL, &test_dalloc_hook, NULL, NULL};
hooks_t hooks4 = {NULL, NULL, &test_expand_hook, NULL};
void *handle1 = hook_install(TSDN_NULL, &hooks1);
void *handle2 = hook_install(TSDN_NULL, &hooks2);
void *handle3 = hook_install(TSDN_NULL, &hooks3);
void *handle4 = hook_install(TSDN_NULL, &hooks4);
assert_ptr_ne(handle1, NULL, "Hook installation failed");
assert_ptr_ne(handle2, NULL, "Hook installation failed");
assert_ptr_ne(handle3, NULL, "Hook installation failed");
assert_ptr_ne(handle4, NULL, "Hook installation failed");
uintptr_t args_raw[4] = {10, 20, 30, 40};
call_count = 0;
hook_invoke_alloc(hook_alloc_malloc, NULL, 0, args_raw);
assert_d_eq(call_count, 1, "Called wrong number of times");
call_count = 0;
hook_invoke_dalloc(hook_dalloc_free, NULL, args_raw);
assert_d_eq(call_count, 1, "Called wrong number of times");
call_count = 0;
hook_invoke_expand(hook_expand_realloc, NULL, 0, 0, 0, args_raw);
assert_d_eq(call_count, 1, "Called wrong number of times");
hook_remove(TSDN_NULL, handle1);
hook_remove(TSDN_NULL, handle2);
hook_remove(TSDN_NULL, handle3);
hook_remove(TSDN_NULL, handle4);
}
TEST_END
TEST_BEGIN(test_hooks_realloc_as_malloc_or_free) {
hooks_t hooks = {&test_alloc_hook, &test_dalloc_hook,
&test_expand_hook, (void *)123};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
void *volatile ptr;
/* realloc(NULL, size) as malloc */
reset();
ptr = realloc(NULL, 1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_realloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)NULL, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
free(ptr);
/* realloc(ptr, 0) as free */
ptr = malloc(1);
reset();
realloc(ptr, 0);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_realloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
assert_u64_eq((uintptr_t)0, arg_args_raw[1], "Wrong raw arg");
/* realloc(NULL, 0) as malloc(0) */
reset();
ptr = realloc(NULL, 0);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_realloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)NULL, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)0, arg_args_raw[1], "Wrong argument");
free(ptr);
hook_remove(TSDN_NULL, handle);
}
TEST_END
TEST_BEGIN(test_hooks_dalloc_simple) {
/* "Simple" in the sense that we're not in a realloc variant. */
hooks_t hooks = {NULL, &test_dalloc_hook, NULL, (void *)123};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
void *volatile ptr;
/* free() */
reset();
ptr = malloc(1);
free(ptr);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_free, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
/* dallocx() */
reset();
ptr = malloc(1);
dallocx(ptr, MALLOCX_TCACHE_NONE);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_dallocx, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
assert_u64_eq((uintptr_t)MALLOCX_TCACHE_NONE, arg_args_raw[1],
"Wrong raw arg");
/* sdallocx() */
reset();
ptr = malloc(1);
sdallocx(ptr, 1, MALLOCX_TCACHE_NONE);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_sdallocx, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong raw arg");
assert_u64_eq((uintptr_t)MALLOCX_TCACHE_NONE, arg_args_raw[2],
"Wrong raw arg");
hook_remove(TSDN_NULL, handle);
}
TEST_END
TEST_BEGIN(test_hooks_remove) {
hooks_t hooks = {&test_alloc_hook, NULL, NULL, NULL};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
call_count = 0;
uintptr_t args_raw[4] = {10, 20, 30, 40};
hook_invoke_alloc(hook_alloc_malloc, NULL, 0, args_raw);
assert_d_eq(call_count, 1, "Hook not invoked");
call_count = 0;
hook_remove(TSDN_NULL, handle);
hook_invoke_alloc(hook_alloc_malloc, NULL, 0, NULL);
assert_d_eq(call_count, 0, "Hook invoked after removal");
}
TEST_END
static void
do_realloc_test(void *(*ralloc)(void *, size_t, int), int flags,
int expand_type, int dalloc_type) {
hooks_t hooks = {&test_alloc_hook, &test_dalloc_hook,
&test_expand_hook, (void *)123};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
void *volatile ptr;
void *volatile ptr2;
/* Realloc in-place, small. */
ptr = malloc(129);
reset();
ptr2 = ralloc(ptr, 130, flags);
assert_ptr_eq(ptr, ptr2, "Small realloc moved");
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, expand_type, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong address");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)130, arg_args_raw[1], "Wrong argument");
free(ptr);
/*
* Realloc in-place, large. Since we can't guarantee the large case
* across all platforms, we stay resilient to moving results.
*/
ptr = malloc(2 * 1024 * 1024);
free(ptr);
ptr2 = malloc(1 * 1024 * 1024);
reset();
ptr = ralloc(ptr2, 2 * 1024 * 1024, flags);
/* ptr is the new address, ptr2 is the old address. */
if (ptr == ptr2) {
assert_d_eq(call_count, 1, "Hook not called");
assert_d_eq(arg_type, expand_type, "Wrong hook type");
} else {
assert_d_eq(call_count, 2, "Wrong hooks called");
assert_ptr_eq(ptr, arg_result, "Wrong address");
assert_d_eq(arg_type, dalloc_type, "Wrong hook type");
}
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_ptr_eq(ptr2, arg_address, "Wrong address");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)ptr2, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)2 * 1024 * 1024, arg_args_raw[1],
"Wrong argument");
free(ptr);
/* Realloc with move, small. */
ptr = malloc(8);
reset();
ptr2 = ralloc(ptr, 128, flags);
assert_ptr_ne(ptr, ptr2, "Small realloc didn't move");
assert_d_eq(call_count, 2, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, dalloc_type, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong address");
assert_ptr_eq(ptr2, arg_result, "Wrong address");
assert_u64_eq((uintptr_t)ptr2, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)128, arg_args_raw[1], "Wrong argument");
free(ptr2);
/* Realloc with move, large. */
ptr = malloc(1);
reset();
ptr2 = ralloc(ptr, 2 * 1024 * 1024, flags);
assert_ptr_ne(ptr, ptr2, "Large realloc didn't move");
assert_d_eq(call_count, 2, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, dalloc_type, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong address");
assert_ptr_eq(ptr2, arg_result, "Wrong address");
assert_u64_eq((uintptr_t)ptr2, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)2 * 1024 * 1024, arg_args_raw[1],
"Wrong argument");
free(ptr2);
hook_remove(TSDN_NULL, handle);
}
TEST_END
TEST_BEGIN(test_hooks_alloc_simple) {
/* "Simple" in the sense that we're not in a realloc variant. */
hooks_t hooks = {&test_alloc_hook, NULL, NULL, (void *)123};
void *handle = hook_install(TSDN_NULL, &hooks);
assert_ptr_ne(handle, NULL, "Hook installation failed");
/* Stop malloc from being optimized away. */
volatile int err;
void *volatile ptr;
/* malloc */
reset();
ptr = malloc(1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_malloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
free(ptr);
/* posix_memalign */
reset();
err = posix_memalign((void **)&ptr, 1024, 1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_posix_memalign,
"Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)err, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)&ptr, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)1024, arg_args_raw[1], "Wrong argument");
assert_u64_eq((uintptr_t)1, arg_args_raw[2], "Wrong argument");
free(ptr);
/* aligned_alloc */
reset();
ptr = aligned_alloc(1024, 1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_aligned_alloc,
"Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)1024, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
free(ptr);
/* calloc */
reset();
ptr = calloc(11, 13);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_calloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)11, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)13, arg_args_raw[1], "Wrong argument");
free(ptr);
/* memalign */
#ifdef JEMALLOC_OVERRIDE_MEMALIGN
reset();
ptr = memalign(1024, 1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_memalign, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)1024, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
free(ptr);
#endif /* JEMALLOC_OVERRIDE_MEMALIGN */
/* valloc */
#ifdef JEMALLOC_OVERRIDE_VALLOC
reset();
ptr = valloc(1);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_valloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
free(ptr);
#endif /* JEMALLOC_OVERRIDE_VALLOC */
/* mallocx */
reset();
ptr = mallocx(1, MALLOCX_LG_ALIGN(10));
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_alloc_mallocx, "Wrong hook type");
assert_ptr_eq(ptr, arg_result, "Wrong result");
assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
"Wrong raw result");
assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
assert_u64_eq((uintptr_t)MALLOCX_LG_ALIGN(10), arg_args_raw[1],
"Wrong flags");
free(ptr);
hook_remove(TSDN_NULL, handle);
}
static void
test_junk(size_t sz_min, size_t sz_max) {
uint8_t *s;
size_t sz_prev, sz, i;
if (opt_junk_free) {
arena_dalloc_junk_small_orig = arena_dalloc_junk_small;
arena_dalloc_junk_small = arena_dalloc_junk_small_intercept;
large_dalloc_junk_orig = large_dalloc_junk;
large_dalloc_junk = large_dalloc_junk_intercept;
large_dalloc_maybe_junk_orig = large_dalloc_maybe_junk;
large_dalloc_maybe_junk = large_dalloc_maybe_junk_intercept;
}
sz_prev = 0;
s = (uint8_t *)mallocx(sz_min, 0);
assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
for (sz = sallocx(s, 0); sz <= sz_max;
sz_prev = sz, sz = sallocx(s, 0)) {
if (sz_prev > 0) {
assert_u_eq(s[0], 'a',
"Previously allocated byte %zu/%zu is corrupted",
ZU(0), sz_prev);
assert_u_eq(s[sz_prev-1], 'a',
"Previously allocated byte %zu/%zu is corrupted",
sz_prev-1, sz_prev);
}
for (i = sz_prev; i < sz; i++) {
if (opt_junk_alloc) {
assert_u_eq(s[i], JEMALLOC_ALLOC_JUNK,
"Newly allocated byte %zu/%zu isn't "
"junk-filled", i, sz);
}
s[i] = 'a';
}
if (xallocx(s, sz+1, 0, 0) == sz) {
uint8_t *t;
watch_junking(s);
t = (uint8_t *)rallocx(s, sz+1, 0);
assert_ptr_not_null((void *)t,
"Unexpected rallocx() failure");
assert_zu_ge(sallocx(t, 0), sz+1,
"Unexpectedly small rallocx() result");
if (!background_thread_enabled()) {
assert_ptr_ne(s, t,
"Unexpected in-place rallocx()");
assert_true(!opt_junk_free || saw_junking,
"Expected region of size %zu to be "
"junk-filled", sz);
}
s = t;
}
}
watch_junking(s);
dallocx(s, 0);
assert_true(!opt_junk_free || saw_junking,
"Expected region of size %zu to be junk-filled", sz);
if (opt_junk_free) {
arena_dalloc_junk_small = arena_dalloc_junk_small_orig;
large_dalloc_junk = large_dalloc_junk_orig;
large_dalloc_maybe_junk = large_dalloc_maybe_junk_orig;
}
}