Loading...
--- libmalloc/libmalloc-792.80.2/src/platform.h
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * Copyright (c) 2015 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#ifndef __PLATFORM_H
-#define __PLATFORM_H
-
-#include <TargetConditionals.h>
-
-#ifndef MALLOC_TARGET_DK_OSX
-#define MALLOC_TARGET_DK_OSX 0
-#endif // MALLOC_TARGET_DK_OSX
-
-#ifndef MALLOC_TARGET_DK_IOS
-#define MALLOC_TARGET_DK_IOS 0
-#endif // MALLOC_TARGET_DK_IOS
-
-#ifndef MALLOC_TARGET_DK_VISIONOS
-#define MALLOC_TARGET_DK_VISIONOS 0
-#endif // MALLOC_TARGET_DK_VISIONOS
-
-#ifndef MALLOC_TARGET_DK_WATCH
-#define MALLOC_TARGET_DK_WATCH 0
-#endif // MALLOC_TARGET_DK_WATCH
-
-#ifndef MALLOC_TARGET_EXCLAVES_INTROSPECTOR
-#define MALLOC_TARGET_EXCLAVES_INTROSPECTOR 0
-#endif // MALLOC_TARGET_EXCLAVES_INTROSPECTOR
-
-#if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) || (TARGET_OS_DRIVERKIT && !MALLOC_TARGET_DK_OSX)
-#define MALLOC_TARGET_IOS 1
-#else // (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) || (TARGET_OS_DRIVERKIT && !MALLOC_TARGET_DK_OSX)
-#define MALLOC_TARGET_IOS 0
-#endif // (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) || (TARGET_OS_DRIVERKIT && !MALLOC_TARGET_DK_OSX)
-
-#if TARGET_OS_IOS && !TARGET_OS_VISION
-#define MALLOC_TARGET_IOS_ONLY 1
-#else
-#define MALLOC_TARGET_IOS_ONLY 0
-#endif
-
-#ifdef __LP64__
-#define MALLOC_TARGET_64BIT 1
-#else // __LP64__
-#define MALLOC_TARGET_64BIT 0
-#endif
-
-#if !defined(TARGET_OS_EXCLAVECORE)
-#define TARGET_OS_EXCLAVECORE 0
-#endif
-
-#if !defined(TARGET_OS_EXCLAVEKIT)
-#define TARGET_OS_EXCLAVEKIT 0
-#endif
-
-#if TARGET_OS_EXCLAVECORE || TARGET_OS_EXCLAVEKIT
-#define MALLOC_TARGET_EXCLAVES 1
-#else // TARGET_OS_EXCLAVECORE || TARGET_OS_EXCLAVEKIT
-#define MALLOC_TARGET_EXCLAVES 0
-#endif // TARGET_OS_EXCLAVECORE || TARGET_OS_EXCLAVEKIT
-
-// <rdar://problem/12596555>
-#define CONFIG_RECIRC_DEPOT 1
-#define CONFIG_AGGRESSIVE_MADVISE 1
-
-#if MALLOC_TARGET_IOS
-# define DEFAULT_AGGRESSIVE_MADVISE_ENABLED true
-// <rdar://problem/12596555>
-# define CONFIG_MADVISE_PRESSURE_RELIEF 0
-#else // MALLOC_TARGET_IOS
-# define DEFAULT_AGGRESSIVE_MADVISE_ENABLED false
-// <rdar://problem/12596555>
-# define CONFIG_MADVISE_PRESSURE_RELIEF 1
-#endif // MALLOC_TARGET_IOS
-
-// <rdar://problem/10397726>
-#define CONFIG_RELAXED_INVARIANT_CHECKS 1
-
-// <rdar://problem/19818071>
-#define CONFIG_MADVISE_STYLE MADV_FREE_REUSABLE
-
-#if MALLOC_TARGET_64BIT && !TARGET_OS_WATCH && !MALLOC_TARGET_EXCLAVES
-#define CONFIG_NANOZONE 1
-#else
-#define CONFIG_NANOZONE 0
-#endif
-
-#if MALLOC_TARGET_64BIT
-#define CONFIG_ASLR_INTERNAL 0
-#else // MALLOC_TARGET_64BIT
-#define CONFIG_ASLR_INTERNAL 1
-#endif // MALLOC_TARGET_64BIT
-
-// enable nano checking for corrupt free list
-#define NANO_FREE_DEQUEUE_DILIGENCE 1
-
-// Conditional behaviour depends on MallocSpaceEfficient being set by
-// JetsamProperties which isn't true on iOS
-#if MALLOC_TARGET_IOS || TARGET_OS_DRIVERKIT
-#define NANOV2_DEFAULT_MODE NANO_ENABLED
-#else
-#define NANOV2_DEFAULT_MODE NANO_CONDITIONAL
-#endif
-
-// whether to pre-reserve all available nano regions during initialization
-#define CONFIG_NANO_RESERVE_REGIONS 0
-
-
-// This governs a last-free cache of 1 that bypasses the free-list for each region size
-#define CONFIG_TINY_CACHE 1
-#define CONFIG_SMALL_CACHE 1
-#define CONFIG_MEDIUM_CACHE 1
-
-// medium allocator enabled or disabled
-#if MALLOC_TARGET_64BIT
-#if MALLOC_TARGET_IOS
-#define CONFIG_MEDIUM_ALLOCATOR 0
-#else // MALLOC_TARGET_IOS
-#define CONFIG_MEDIUM_ALLOCATOR 1
-#endif // MALLOC_TARGET_IOS
-#else // MALLOC_TARGET_64BIT
-#define CONFIG_MEDIUM_ALLOCATOR 0
-#endif // MALLOC_TARGET_64BIT
-
-
-#if CONFIG_MEDIUM_ALLOCATOR
-#define DEFAULT_MEDIUM_ALLOCATOR_ENABLED 1
-#else // CONFIG_MEDIUM_ALLOCATOR
-#define DEFAULT_MEDIUM_ALLOCATOR_ENABLED 0
-#endif // CONFIG_MEDIUM_ALLOCATOR
-
-
-// The large last-free cache (aka. death row cache)
-#if TARGET_OS_OSX
-#define CONFIG_LARGE_CACHE 1
-# define DEFAULT_LARGE_CACHE_ENABLED true
-#else // !TARGET_OS_OSX
-#define CONFIG_LARGE_CACHE 0
-# define DEFAULT_LARGE_CACHE_ENABLED false
-#endif // TARGET_OS_OSX
-
-// Deferred reclaim
-#if (MALLOC_TARGET_IOS_ONLY && !TARGET_OS_SIMULATOR) || \
- (TARGET_OS_VISION && !TARGET_OS_SIMULATOR) || \
- (MALLOC_TARGET_64BIT && TARGET_OS_DRIVERKIT && !MALLOC_TARGET_DK_OSX) || \
- TARGET_OS_OSX
-#define CONFIG_MAGAZINE_DEFERRED_RECLAIM 0
-#define CONFIG_XZM_DEFERRED_RECLAIM 1
-#else
-#define CONFIG_MAGAZINE_DEFERRED_RECLAIM 0
-#define CONFIG_XZM_DEFERRED_RECLAIM 0
-#endif // MALLOC_TARGET_IOS && MALLOC_TARGET_64BIT
-
-#if CONFIG_MAGAZINE_DEFERRED_RECLAIM && !CONFIG_LARGE_CACHE
-#error "Deferred reclaim requires large cache"
-#endif // CONFIG_MAGAZINE_DEFERRED_RECLAIM && !CONFIG_LARGE_CACHE
-
-#if MALLOC_TARGET_IOS || MALLOC_TARGET_EXCLAVES
-// The VM system on iOS forces malloc-tagged memory to never be marked as
-// copy-on-write, this would include calls we make to vm_copy. Given that the
-// kernel would just be doing a memcpy, we force it to happen in userspace.
-#define CONFIG_REALLOC_CAN_USE_VMCOPY 0
-#else
-#define CONFIG_REALLOC_CAN_USE_VMCOPY 1
-#endif
-
-#if !TARGET_OS_DRIVERKIT && (!TARGET_OS_OSX || MALLOC_TARGET_64BIT)
-#define CONFIG_FEATUREFLAGS_SIMPLE 1
-#else
-#define CONFIG_FEATUREFLAGS_SIMPLE 0
-#endif
-
-// presence of commpage memsize
-#define CONFIG_HAS_COMMPAGE_MEMSIZE 1
-
-// presence of commpage number of cpu count
-#define CONFIG_HAS_COMMPAGE_NCPUS 1
-
-// Distribute magazines by cluster number if nmagazines == nclusters
-#if (MALLOC_TARGET_IOS_ONLY && !TARGET_OS_SIMULATOR) || \
- MALLOC_TARGET_DK_IOS || \
- TARGET_OS_OSX || MALLOC_TARGET_DK_OSX
-#define CONFIG_MAGAZINE_PER_CLUSTER 1
-#else
-#define CONFIG_MAGAZINE_PER_CLUSTER 0
-#endif
-
-// Support cluster-aware policies in xzone malloc
-#if ((TARGET_OS_IOS || TARGET_OS_VISION) && !TARGET_OS_SIMULATOR) || \
- MALLOC_TARGET_DK_IOS || MALLOC_TARGET_DK_VISIONOS || \
- TARGET_OS_OSX || MALLOC_TARGET_DK_OSX || \
- (TARGET_OS_WATCH && !TARGET_OS_SIMULATOR) || MALLOC_TARGET_DK_WATCH
-#define CONFIG_XZM_CLUSTER_AWARE 1
-#else
-#define CONFIG_XZM_CLUSTER_AWARE 0
-#endif
-
-// Build with supporting logic for cluster awareness in either allocator
-#if CONFIG_MAGAZINE_PER_CLUSTER || CONFIG_XZM_CLUSTER_AWARE
-#define CONFIG_CLUSTER_AWARE 1
-#else
-#define CONFIG_CLUSTER_AWARE 0
-#endif
-
-// Use of hyper-shift for magazine selection.
-#define CONFIG_NANO_USES_HYPER_SHIFT 0
-#define CONFIG_SZONE_USES_HYPER_SHIFT 0
-
-#if TARGET_OS_OSX
-#define CONFIG_CHECK_PLATFORM_BINARY 1
-#else
-#define CONFIG_CHECK_PLATFORM_BINARY 0
-#endif
-
-#define MALLOC_ZERO_POLICY_DEFAULT MALLOC_ZERO_ON_FREE
-
-#if MALLOC_TARGET_64BIT
-#define CONFIG_XZONE_MALLOC 1
-#else
-#define CONFIG_XZONE_MALLOC 0
-#endif
-
-#if CONFIG_XZONE_MALLOC && MALLOC_TARGET_IOS
-#define CONFIG_VM_USER_RANGES 1
-#else
-#define CONFIG_VM_USER_RANGES 0
-#endif
-
-#if CONFIG_XZONE_MALLOC && TARGET_CPU_ARM64 && (TARGET_OS_OSX || MALLOC_TARGET_DK_OSX)
-#define CONFIG_MACOS_RANGES 1
-#else
-#define CONFIG_MACOS_RANGES 0
-#endif
-
-#define MALLOC_XZONE_NANO_ENABLED_DEFAULT false
-
-#if CONFIG_XZONE_MALLOC && (MALLOC_TARGET_IOS || TARGET_OS_OSX || MALLOC_TARGET_DK_OSX)
-#define CONFIG_MADV_ZERO 1
-#else
-#define CONFIG_MADV_ZERO 0
-#endif
-
-#if CONFIG_XZONE_MALLOC && (MALLOC_TARGET_DK_VISIONOS || \
- MALLOC_TARGET_DK_IOS || (MALLOC_TARGET_DK_OSX && TARGET_CPU_ARM64) || \
- MALLOC_TARGET_DK_WATCH)
-#define MALLOC_XZONE_ENABLED_DEFAULT true
-#endif
-
-#ifndef MALLOC_XZONE_ENABLED_DEFAULT
-#define MALLOC_XZONE_ENABLED_DEFAULT false
-#endif
-
-#if MALLOC_TARGET_64BIT
-#define CONFIG_EARLY_MALLOC 1
-#else
-#define CONFIG_EARLY_MALLOC 0
-#endif
-
-#if MALLOC_TARGET_IOS_ONLY || TARGET_OS_VISION || TARGET_OS_OSX || TARGET_OS_WATCH
-#define CONFIG_MALLOC_PROCESS_IDENTITY 1
-#else
-#define CONFIG_MALLOC_PROCESS_IDENTITY 0
-#endif
-
-#ifndef CONFIG_SANITIZER
-#define CONFIG_SANITIZER 1
-#endif
-
-#define MALLOC_SECURE_ALLOCATOR_LAUNCHD_ENABLED_DEFAULT true
-
-// We need to define CONFIG_MTE here in case it's not defined, as it means
-// we're compiling a target for which we're not setting it through
-// GCC_PREPROCESSOR_DEFINITIONS in the Xcode config.
-#ifndef CONFIG_MTE
-#define CONFIG_MTE 0
-#endif
-
-#ifndef HEADER_MTE
-#define HEADER_MTE CONFIG_MTE
-#endif
-
-#endif // __PLATFORM_H