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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 | /* * 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 |