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tests/malloc_with_options_test.c libmalloc-792.1.1 /dev/null
--- libmalloc/libmalloc-792.1.1/tests/malloc_with_options_test.c
+++ /dev/null
@@ -1,210 +0,0 @@
-//
-//  malloc_with_options_test.c
-//  libsystem_malloc
-//
-//  Created by Aaron Morrison on 7/13/23.
-//
-#include <stdlib.h>
-#include <darwintest.h>
-#include <malloc_private.h>
-#include <time.h>
-
-#include "../src/platform.h"
-
-#if !MALLOC_TARGET_EXCLAVES
-#include <dispatch/dispatch.h>
-#include "trace.h"
-#include <ktrace.h>
-#endif // !MALLOC_TARGET_EXCLAVES
-
-
-static bool
-check_zeroed_memory(void *ptr, size_t size)
-{
-	uint8_t *ptr_byte = (uint8_t*)ptr;
-	for (size_t i = 0; i < size; i++) {
-		if (ptr_byte[i] != 0) {
-			return false;
-		}
-	}
-	return true;
-}
-
-static bool
-check_ptr_is_aligned(void *ptr, size_t align)
-{
-	return ((uintptr_t)ptr % align) == 0;
-}
-
-static void
-scribble_memory(void *ptr, size_t size)
-{
-	memset(ptr, 0xbe, size);
-}
-
-static void
-run_options_test(int iterations)
-{
-	// Worst case memory consumption of test is 8M * MAX_POINTERS
-	const int MAX_POINTERS = 64;
-	void *pointers[MAX_POINTERS] = { NULL };
-	for (int iteration = 0; iteration < iterations; iteration++) {
-		int index = rand() % MAX_POINTERS;
-		int opt_rand = rand();
-
-		bool aligned = opt_rand & 0x1;
-
-		bool zeroed = opt_rand & 0x2;
-		malloc_zone_malloc_options_t options = MALLOC_ZONE_MALLOC_OPTION_NONE;
-		if (zeroed) {
-			options |= MALLOC_ZONE_MALLOC_OPTION_CLEAR;
-		}
-
-
-		opt_rand = rand();
-		size_t align = 0;
-		size_t size = 0;
-		if (aligned) {
-			// align must be a power of 2, to use values from 32 to 1MM
-			// 4 bits of shift
-			align = 8 << (opt_rand & 0xf);
-
-			// We require that size be a multiple of alignment
-			// For maximum size = 8M, make size up to align*8
-			size = align * (((opt_rand >> 4) & 0x7) + 1);
-		} else {
-			// size anywhere from 0 to 8M
-			size = (opt_rand & 0x7fffff) + 1;
-		}
-
-
-		free(pointers[index]);
-		if (opt_rand % 2) {
-			pointers[index] = malloc_zone_malloc_with_options(NULL, align, size,
-				options);
-		} else {
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-			pointers[index] = malloc_zone_malloc_with_options_np(NULL, align,
-				size, options);
-#pragma GCC diagnostic pop
-		}
-		T_QUIET; T_ASSERT_NOTNULL(pointers[index], "Allocation failed\n");
-
-		if (zeroed) {
-			T_QUIET; T_ASSERT_TRUE(check_zeroed_memory(pointers[index], size),
-					"Memory wasn't cleared");
-		}
-		if (align) {
-			T_QUIET; T_ASSERT_TRUE(check_ptr_is_aligned(pointers[index], align),
-				"Pointer isn't aligned");
-		}
-
-		// Scribble the memory to make sure that malloc is properly clearing
-		// when MALLOC_ZONE_MALLOC_OPTION_CLEAR is set
-		scribble_memory(pointers[index], size);
-	}
-
-	for (int i = 0; i < MAX_POINTERS; i++) {
-		free(pointers[i]);
-	}
-}
-
-T_DECL(malloc_options, "malloc with options",
-	T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
-{
-	unsigned seed = time(NULL);
-	T_LOG("seed value = %u", seed);
-	srand(seed);
-
-	run_options_test(10000);
-}
-
-T_DECL(malloc_pgm_options, "malloc with options, but PGM is enabled",
-	T_META_ENVVAR("ProbGuardMalloc=1"),
-	T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
-{
-	unsigned seed = time(NULL);
-	T_LOG("seed value = %u", seed);
-	srand(seed);
-
-	run_options_test(10000);
-}
-
-T_DECL(malloc_msl_lite_options, "malloc with options, but MSL Lite is enabled",
-	T_META_ENVVAR("MallocStackLogging=lite"),
-	T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
-{
-	unsigned seed = time(NULL);
-	T_LOG("seed value = %u", seed);
-	srand(seed);
-
-	run_options_test(10000);
-}
-
-T_DECL(malloc_data_only_options, "Malloc with options, all xzones pure data",
-		T_META_ENVVAR("MallocXzoneDataOnly=1"),
-		T_META_ENVVAR("MallocXzoneGuarded=1"),
-		T_META_TAG_XZONE_ONLY)
-{
-	unsigned seed = time(NULL);
-	T_LOG("seed value = %u", seed);
-	srand(seed);
-
-	run_options_test(10000);
-}
-
-#if !MALLOC_TARGET_EXCLAVES
-T_DECL(malloc_options_traced, "malloc with options, but tracing is enabled",
-		T_META_ENVVAR("MallocTracing=1"),
-		T_META_ASROOT(true),
-		T_META_TAG_XZONE_ONLY,
-		T_META_TAG_VM_NOT_ELIGIBLE)
-{
-	/* The runtime calls malloc/calloc repeatedly, but it doesn't seem
-	 * to call memalign. Therefore, we can check that the malloc_with_options
-	 * SPI calls through the public symbols by counting the memalign tracepoints,
-	 * and checking that at least one is generated when tracing is enabled and
-	 * an aligned allocation is requested
-	 */
-	ktrace_session_t s = ktrace_session_create();
-
-	__block int malloc_options_events = 0;
-	const size_t expected_alignment = 4096;
-	const size_t expected_size = 8192;
-	__block size_t actual_alignment = 0;
-	__block size_t actual_size = 0;
-
-	T_ASSERT_POSIX_ZERO(ktrace_filter_pid(s, getpid()), NULL);
-
-	ktrace_events_subclass(s, DBG_UMALLOC, DBG_UMALLOC_EXTERNAL,
-			^(ktrace_event_t event) {
-				if (event->debugid == (TRACE_malloc_options | DBG_FUNC_END)) {
-					malloc_options_events++;
-					actual_alignment = event->arg2;
-					actual_size = event->arg3;
-				}
-			});
-
-	ktrace_set_completion_handler(s, ^{
-		ktrace_session_destroy(s);
-		T_ASSERT_EQ(1, malloc_options_events, "Saw malloc_options tracepoint");
-		T_ASSERT_EQ(expected_alignment, actual_alignment, NULL);
-		T_ASSERT_EQ(expected_size, actual_size, NULL);
-		T_END;
-	});
-
-	T_ASSERT_POSIX_ZERO(ktrace_start(s, dispatch_get_main_queue()), NULL);
-
-	void *ptr = malloc_zone_malloc_with_options(NULL, expected_alignment,
-			expected_size, MALLOC_ZONE_MALLOC_OPTION_CLEAR);
-	T_ASSERT_NOTNULL(ptr, "allocate");
-	T_ASSERT_TRUE(check_zeroed_memory(ptr, expected_size), "zeroed");
-	T_ASSERT_TRUE(check_ptr_is_aligned(ptr, expected_alignment), "aligned");
-	free(ptr);
-
-	ktrace_end(s, false);
-
-	dispatch_main();
-}
-#endif // !MALLOC_TARGET_EXCLAVES