538 lines
18 KiB
C
538 lines
18 KiB
C
#include "test/jemalloc_test.h"
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#include "jemalloc/internal/hook.h"
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static void *arg_extra;
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static int arg_type;
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static void *arg_result;
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static void *arg_address;
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static size_t arg_old_usize;
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static size_t arg_new_usize;
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static uintptr_t arg_result_raw;
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static uintptr_t arg_args_raw[4];
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static int call_count = 0;
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static void
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reset_args() {
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arg_extra = NULL;
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arg_type = 12345;
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arg_result = NULL;
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arg_address = NULL;
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arg_old_usize = 0;
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arg_new_usize = 0;
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arg_result_raw = 0;
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memset(arg_args_raw, 77, sizeof(arg_args_raw));
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}
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static void
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set_args_raw(uintptr_t *args_raw, int nargs) {
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memcpy(arg_args_raw, args_raw, sizeof(uintptr_t) * nargs);
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}
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static void
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assert_args_raw(uintptr_t *args_raw_expected, int nargs) {
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int cmp = memcmp(args_raw_expected, arg_args_raw,
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sizeof(uintptr_t) * nargs);
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assert_d_eq(cmp, 0, "Raw args mismatch");
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}
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static void
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reset() {
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call_count = 0;
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reset_args();
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}
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static void
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test_alloc_hook(void *extra, hook_alloc_t type, void *result,
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uintptr_t result_raw, uintptr_t args_raw[3]) {
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call_count++;
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arg_extra = extra;
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arg_type = (int)type;
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arg_result = result;
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arg_result_raw = result_raw;
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set_args_raw(args_raw, 3);
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}
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static void
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test_dalloc_hook(void *extra, hook_dalloc_t type, void *address,
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uintptr_t args_raw[3]) {
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call_count++;
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arg_extra = extra;
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arg_type = (int)type;
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arg_address = address;
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set_args_raw(args_raw, 3);
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}
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static void
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test_expand_hook(void *extra, hook_expand_t type, void *address,
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size_t old_usize, size_t new_usize, uintptr_t result_raw,
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uintptr_t args_raw[4]) {
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call_count++;
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arg_extra = extra;
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arg_type = (int)type;
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arg_address = address;
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arg_old_usize = old_usize;
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arg_new_usize = new_usize;
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arg_result_raw = result_raw;
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set_args_raw(args_raw, 4);
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}
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TEST_BEGIN(test_hooks_basic) {
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/* Just verify that the record their arguments correctly. */
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hooks_t hooks = {
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&test_alloc_hook, &test_dalloc_hook, &test_expand_hook};
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void *handle = hook_install(TSDN_NULL, &hooks, (void *)111);
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uintptr_t args_raw[4] = {10, 20, 30, 40};
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/* Alloc */
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reset_args();
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hook_invoke_alloc(hook_alloc_posix_memalign, (void *)222, 333,
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args_raw);
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assert_ptr_eq(arg_extra, (void *)111, "Passed wrong user pointer");
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assert_d_eq((int)hook_alloc_posix_memalign, arg_type,
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"Passed wrong alloc type");
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assert_ptr_eq((void *)222, arg_result, "Passed wrong result address");
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assert_u64_eq(333, arg_result_raw, "Passed wrong result");
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assert_args_raw(args_raw, 3);
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/* Dalloc */
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reset_args();
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hook_invoke_dalloc(hook_dalloc_sdallocx, (void *)222, args_raw);
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assert_d_eq((int)hook_dalloc_sdallocx, arg_type,
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"Passed wrong dalloc type");
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assert_ptr_eq((void *)111, arg_extra, "Passed wrong user pointer");
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assert_ptr_eq((void *)222, arg_address, "Passed wrong address");
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assert_args_raw(args_raw, 3);
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/* Expand */
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reset_args();
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hook_invoke_expand(hook_expand_xallocx, (void *)222, 333, 444, 555,
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args_raw);
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assert_d_eq((int)hook_expand_xallocx, arg_type,
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"Passed wrong expand type");
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assert_ptr_eq((void *)111, arg_extra, "Passed wrong user pointer");
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assert_ptr_eq((void *)222, arg_address, "Passed wrong address");
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assert_zu_eq(333, arg_old_usize, "Passed wrong old usize");
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assert_zu_eq(444, arg_new_usize, "Passed wrong new usize");
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assert_zu_eq(555, arg_result_raw, "Passed wrong result");
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assert_args_raw(args_raw, 4);
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hook_remove(TSDN_NULL, handle);
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}
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TEST_END
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TEST_BEGIN(test_hooks_null) {
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/* Null hooks should be ignored, not crash. */
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hooks_t hooks1 = {NULL, NULL, NULL};
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hooks_t hooks2 = {&test_alloc_hook, NULL, NULL};
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hooks_t hooks3 = {NULL, &test_dalloc_hook, NULL};
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hooks_t hooks4 = {NULL, NULL, &test_expand_hook};
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void *handle1 = hook_install(TSDN_NULL, &hooks1, NULL);
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void *handle2 = hook_install(TSDN_NULL, &hooks2, NULL);
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void *handle3 = hook_install(TSDN_NULL, &hooks3, NULL);
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void *handle4 = hook_install(TSDN_NULL, &hooks4, NULL);
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assert_ptr_ne(handle1, NULL, "Hook installation failed");
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assert_ptr_ne(handle2, NULL, "Hook installation failed");
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assert_ptr_ne(handle3, NULL, "Hook installation failed");
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assert_ptr_ne(handle4, NULL, "Hook installation failed");
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uintptr_t args_raw[4] = {10, 20, 30, 40};
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call_count = 0;
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hook_invoke_alloc(hook_alloc_malloc, NULL, 0, args_raw);
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assert_d_eq(call_count, 1, "Called wrong number of times");
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call_count = 0;
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hook_invoke_dalloc(hook_dalloc_free, NULL, args_raw);
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assert_d_eq(call_count, 1, "Called wrong number of times");
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call_count = 0;
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hook_invoke_expand(hook_expand_realloc, NULL, 0, 0, 0, args_raw);
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assert_d_eq(call_count, 1, "Called wrong number of times");
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hook_remove(TSDN_NULL, handle1);
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hook_remove(TSDN_NULL, handle2);
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hook_remove(TSDN_NULL, handle3);
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hook_remove(TSDN_NULL, handle4);
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}
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TEST_END
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TEST_BEGIN(test_hooks_remove) {
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hooks_t hooks = {&test_alloc_hook, NULL, NULL};
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void *handle = hook_install(TSDN_NULL, &hooks, NULL);
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assert_ptr_ne(handle, NULL, "Hook installation failed");
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call_count = 0;
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uintptr_t args_raw[4] = {10, 20, 30, 40};
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hook_invoke_alloc(hook_alloc_malloc, NULL, 0, args_raw);
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assert_d_eq(call_count, 1, "Hook not invoked");
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call_count = 0;
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hook_remove(TSDN_NULL, handle);
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hook_invoke_alloc(hook_alloc_malloc, NULL, 0, NULL);
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assert_d_eq(call_count, 0, "Hook invoked after removal");
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}
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TEST_END
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TEST_BEGIN(test_hooks_alloc_simple) {
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/* "Simple" in the sense that we're not in a realloc variant. */
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hooks_t hooks = {&test_alloc_hook, NULL, NULL};
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void *handle = hook_install(TSDN_NULL, &hooks, (void *)123);
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assert_ptr_ne(handle, NULL, "Hook installation failed");
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/* Stop malloc from being optimized away. */
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volatile int err;
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void *volatile ptr;
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/* malloc */
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reset();
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ptr = malloc(1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_malloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
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free(ptr);
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/* posix_memalign */
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reset();
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err = posix_memalign((void **)&ptr, 1024, 1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_posix_memalign,
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"Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)err, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)&ptr, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)1024, arg_args_raw[1], "Wrong argument");
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assert_u64_eq((uintptr_t)1, arg_args_raw[2], "Wrong argument");
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free(ptr);
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/* aligned_alloc */
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reset();
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ptr = aligned_alloc(1024, 1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_aligned_alloc,
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"Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)1024, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
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free(ptr);
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/* calloc */
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reset();
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ptr = calloc(11, 13);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_calloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)11, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)13, arg_args_raw[1], "Wrong argument");
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free(ptr);
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/* memalign */
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#ifdef JEMALLOC_OVERRIDE_MEMALIGN
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reset();
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ptr = memalign(1024, 1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_memalign, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)1024, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
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free(ptr);
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#endif /* JEMALLOC_OVERRIDE_MEMALIGN */
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/* valloc */
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#ifdef JEMALLOC_OVERRIDE_VALLOC
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reset();
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ptr = valloc(1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_valloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
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free(ptr);
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#endif /* JEMALLOC_OVERRIDE_VALLOC */
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/* mallocx */
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reset();
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ptr = mallocx(1, MALLOCX_LG_ALIGN(10));
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_mallocx, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)1, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)MALLOCX_LG_ALIGN(10), arg_args_raw[1],
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"Wrong flags");
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free(ptr);
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hook_remove(TSDN_NULL, handle);
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}
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TEST_END
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TEST_BEGIN(test_hooks_dalloc_simple) {
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/* "Simple" in the sense that we're not in a realloc variant. */
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hooks_t hooks = {NULL, &test_dalloc_hook, NULL};
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void *handle = hook_install(TSDN_NULL, &hooks, (void *)123);
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assert_ptr_ne(handle, NULL, "Hook installation failed");
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void *volatile ptr;
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/* free() */
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reset();
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ptr = malloc(1);
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free(ptr);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_dalloc_free, "Wrong hook type");
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assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
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assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
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/* dallocx() */
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reset();
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ptr = malloc(1);
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dallocx(ptr, MALLOCX_TCACHE_NONE);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_dalloc_dallocx, "Wrong hook type");
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assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
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assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
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assert_u64_eq((uintptr_t)MALLOCX_TCACHE_NONE, arg_args_raw[1],
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"Wrong raw arg");
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/* sdallocx() */
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reset();
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ptr = malloc(1);
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sdallocx(ptr, 1, MALLOCX_TCACHE_NONE);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_dalloc_sdallocx, "Wrong hook type");
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assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
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assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
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assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong raw arg");
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assert_u64_eq((uintptr_t)MALLOCX_TCACHE_NONE, arg_args_raw[2],
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"Wrong raw arg");
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hook_remove(TSDN_NULL, handle);
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}
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TEST_END
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TEST_BEGIN(test_hooks_expand_simple) {
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/* "Simple" in the sense that we're not in a realloc variant. */
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hooks_t hooks = {NULL, NULL, &test_expand_hook};
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void *handle = hook_install(TSDN_NULL, &hooks, (void *)123);
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assert_ptr_ne(handle, NULL, "Hook installation failed");
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void *volatile ptr;
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/* xallocx() */
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reset();
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ptr = malloc(1);
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size_t new_usize = xallocx(ptr, 100, 200, MALLOCX_TCACHE_NONE);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_expand_xallocx, "Wrong hook type");
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assert_ptr_eq(ptr, arg_address, "Wrong pointer expanded");
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assert_u64_eq(arg_old_usize, nallocx(1, 0), "Wrong old usize");
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assert_u64_eq(arg_new_usize, sallocx(ptr, 0), "Wrong new usize");
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assert_u64_eq(new_usize, arg_result_raw, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong arg");
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assert_u64_eq(100, arg_args_raw[1], "Wrong arg");
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assert_u64_eq(200, arg_args_raw[2], "Wrong arg");
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assert_u64_eq(MALLOCX_TCACHE_NONE, arg_args_raw[3], "Wrong arg");
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hook_remove(TSDN_NULL, handle);
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}
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TEST_END
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TEST_BEGIN(test_hooks_realloc_as_malloc_or_free) {
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hooks_t hooks = {&test_alloc_hook, &test_dalloc_hook,
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&test_expand_hook};
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void *handle = hook_install(TSDN_NULL, &hooks, (void *)123);
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assert_ptr_ne(handle, NULL, "Hook installation failed");
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void *volatile ptr;
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/* realloc(NULL, size) as malloc */
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reset();
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ptr = realloc(NULL, 1);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_realloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)NULL, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)1, arg_args_raw[1], "Wrong argument");
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free(ptr);
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/* realloc(ptr, 0) as free */
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ptr = malloc(1);
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reset();
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realloc(ptr, 0);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_dalloc_realloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
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assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
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assert_u64_eq((uintptr_t)0, arg_args_raw[1], "Wrong raw arg");
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/* realloc(NULL, 0) as malloc(0) */
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reset();
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ptr = realloc(NULL, 0);
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assert_d_eq(call_count, 1, "Hook not called");
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assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
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assert_d_eq(arg_type, (int)hook_alloc_realloc, "Wrong hook type");
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assert_ptr_eq(ptr, arg_result, "Wrong result");
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assert_u64_eq((uintptr_t)ptr, (uintptr_t)arg_result_raw,
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"Wrong raw result");
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assert_u64_eq((uintptr_t)NULL, arg_args_raw[0], "Wrong argument");
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assert_u64_eq((uintptr_t)0, arg_args_raw[1], "Wrong argument");
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free(ptr);
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hook_remove(TSDN_NULL, handle);
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}
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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 *handle = hook_install(TSDN_NULL, &hooks, (void *)123);
|
|
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);
|
|
}
|
|
|
|
static void *
|
|
realloc_wrapper(void *ptr, size_t size, UNUSED int flags) {
|
|
return realloc(ptr, size);
|
|
}
|
|
|
|
TEST_BEGIN(test_hooks_realloc) {
|
|
do_realloc_test(&realloc_wrapper, 0, hook_expand_realloc,
|
|
hook_dalloc_realloc);
|
|
}
|
|
TEST_END
|
|
|
|
TEST_BEGIN(test_hooks_rallocx) {
|
|
do_realloc_test(&rallocx, MALLOCX_TCACHE_NONE, hook_expand_rallocx,
|
|
hook_dalloc_rallocx);
|
|
}
|
|
TEST_END
|
|
|
|
int
|
|
main(void) {
|
|
/* We assert on call counts. */
|
|
return test_no_reentrancy(
|
|
test_hooks_basic,
|
|
test_hooks_null,
|
|
test_hooks_remove,
|
|
test_hooks_alloc_simple,
|
|
test_hooks_dalloc_simple,
|
|
test_hooks_expand_simple,
|
|
test_hooks_realloc_as_malloc_or_free,
|
|
test_hooks_realloc,
|
|
test_hooks_rallocx);
|
|
}
|