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); }
int main(int argc, char **argv) { int i; context_t ctx; char *entry_hook_line = "{exec {print-str ' entry:'} [var 0 0]" "\n {while <is-le [var 0] 10>" "\n {exec" "\n {print-char 32}" "\n {print-hex0 [reg [var 0]]}" "\n {if <is-null [reg [var 0]]>" "\n (break)" "\n }" "\n [var 0 (add [var 0] 1)]" "\n }" "\n }" "\n (print-char 10)" "\n}"; char *exit_hook_line = "{exec {print-str ' exit:'} [var 0 0]" "\n {while <is-le [var 0] 10>" "\n {exec {print-str ' '} (print-hex0 [reg [var 0]]) [var 0 (add [var 0] 1)]}" "\n }" "\n (print-char 10)" "\n}"; hook_p h; if (strings_init(STRING_BUFF) || atoms_init(MAX_ATOMS) || symbols_init(MAX_SYMBOLS) || ringbuf_init(4096) || hooks_init(4, NULL, NULL)) return -1; if (argc > 1) entry_hook_line = argv[1]; if (argc > 2) exit_hook_line = argv[2]; h = hook_install((uint_t)funnn, entry_hook_line, exit_hook_line, NULL, ringbuf_dump, splinter_test_mode); if (!h) { fprintf(stderr, "%s", splinter_error_get()); return -1; } h->enabled = 1; memset(&ctx, 0, sizeof(ctx)); for(i = 0; i < 1; i++) { context_call(&h->entry_chain, h, &ctx); context_call(&h->exit_chain, h, &ctx); context_close(h, &ctx); } dump_ringbuffer(); return 0; }
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); }
void hook_install_() { EnableMenuItem(g_menu, ID_MENU_INSTALL, MF_GRAYED); hook_install(); EnableMenuItem(g_menu, ID_MENU_UNINSTALL, MF_ENABLED); }