makedefs/MakeInc.def

   1 # -*- mode: makefile;-*-
   2 #
   3 # Copyright (C) 1999-2017 Apple Inc. All rights reserved.
   4 #
   5 # MakeInc.def contains global definitions for building,
   6 # linking, and installing files.
   7 #
   8
   9 #
  10 # Architecture Configuration options
  11 #
  12 SUPPORTED_ARCH_CONFIGS := X86_64 X86_64H
  13
  14 #
  15 # Kernel Configuration options
  16 #
  17 SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE KASAN
  18
  19 #
  20 # Machine Configuration options
  21 #
  22
  23 SUPPORTED_X86_64_MACHINE_CONFIGS = NONE
  24 SUPPORTED_X86_64H_MACHINE_CONFIGS = NONE
  25
  26
  27 #
  28 # Setup up *_LC variables during recursive invocations
  29 #
  30
  31 ifndef CURRENT_ARCH_CONFIG_LC
  32         export CURRENT_ARCH_CONFIG_LC   := $(shell printf "%s" "$(CURRENT_ARCH_CONFIG)" | $(TR) A-Z a-z)
  33 endif
  34
  35 ifndef CURRENT_KERNEL_CONFIG_LC
  36         export CURRENT_KERNEL_CONFIG_LC := $(shell printf "%s" "$(CURRENT_KERNEL_CONFIG)" | $(TR) A-Z a-z)
  37 endif
  38
  39 ifndef CURRENT_MACHINE_CONFIG_LC
  40         export CURRENT_MACHINE_CONFIG_LC := $(shell printf "%s" "$(CURRENT_MACHINE_CONFIG)" | $(TR) A-Z a-z)
  41 endif
  42
  43 #
  44 # Component List
  45 #
  46 COMPONENT_LIST  = osfmk bsd libkern iokit pexpert libsa security san
  47 COMPONENT       = $(if $(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(firstword $(subst /, ,$(RELATIVE_SOURCE_PATH))))
  48 COMPONENT_IMPORT_LIST = $(filter-out $(COMPONENT),$(COMPONENT_LIST))
  49
  50
  51 #
  52 # Deployment target flag
  53 #
  54 ifeq ($(PLATFORM),MacOSX)
  55     DEPLOYMENT_TARGET_FLAGS = -mmacosx-version-min=$(SDKVERSION)
  56 else ifeq ($(PLATFORM),WatchOS)
  57     DEPLOYMENT_TARGET_FLAGS = -mwatchos-version-min=$(SDKVERSION)
  58 else ifeq ($(PLATFORM),tvOS)
  59     DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
  60 else ifeq ($(PLATFORM),AppleTVOS)
  61     DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
  62 else ifeq ($(PLATFORM),BridgeOS)
  63     DEPLOYMENT_TARGET_FLAGS = -mbridgeos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_BRIDGE
  64 else ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
  65     DEPLOYMENT_TARGET_FLAGS = -miphoneos-version-min=$(SDKVERSION)
  66 else ifneq ($(filter $(SUPPORTED_SIMULATOR_PLATFORMS),$(PLATFORM)),)
  67     DEPLOYMENT_TARGET_FLAGS =
  68 else
  69     DEPLOYMENT_TARGET_FLAGS =
  70 endif
  71
  72 DEPLOYMENT_TARGET_DEFINES = -DPLATFORM_$(PLATFORM)
  73
  74
  75 #
  76 # Standard defines list
  77 #
  78 DEFINES = -DAPPLE -DKERNEL -DKERNEL_PRIVATE -DXNU_KERNEL_PRIVATE \
  79         -DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile $(CONFIG_DEFINES) \
  80         $(SEED_DEFINES)
  81
  82 #
  83 # Compiler command
  84 #
  85 KCC  = $(CC)
  86 KC++ = $(CXX)
  87
  88 GENASSYM_KCC = $(CC)
  89
  90 #
  91 # Compiler warning flags
  92 #
  93
  94 USE_WERROR := 1
  95 ifneq ($(BUILD_WERROR),)
  96 USE_WERROR := $(BUILD_WERROR)
  97 endif
  98
  99 ifeq ($(USE_WERROR),1)
 100 WERROR := -Werror
 101 endif
 102
 103 # Shared C/C++ warning flags
 104 WARNFLAGS_STD := \
 105         -Weverything \
 106         -Wextra \
 107         $(WERROR) \
 108         -Wpointer-arith \
 109         -Wreturn-type \
 110         -Wcast-qual \
 111         -Wwrite-strings \
 112         -Wswitch \
 113         -Wcast-align \
 114         -Wchar-subscripts \
 115         -Wredundant-decls \
 116         -Wextra-tokens \
 117         -Wunreachable-code \
 118         -Wno-assign-enum \
 119         -Wno-bad-function-cast \
 120         -Wno-c++98-compat \
 121         -Wno-c++-compat \
 122         -Wno-conditional-uninitialized \
 123         -Wno-conversion \
 124         -Wnull-conversion \
 125         -Wstring-conversion \
 126         -Wliteral-conversion \
 127         -Wnon-literal-null-conversion \
 128         -Wint-conversion \
 129         -Wenum-conversion  \
 130         -Wfloat-conversion \
 131         -Wconstant-conversion \
 132         -Wpointer-bool-conversion \
 133         -Wno-covered-switch-default \
 134         -Wno-disabled-macro-expansion \
 135         -Wno-documentation-unknown-command \
 136         -Wno-format-non-iso \
 137         -Wno-format-nonliteral \
 138         -Wno-reserved-id-macro \
 139         -Wno-language-extension-token \
 140         -Wno-missing-variable-declarations \
 141         -Wno-packed \
 142         -Wno-padded \
 143         -Wno-partial-availability \
 144         -Wno-pedantic \
 145         -Wno-shift-sign-overflow \
 146         -Wno-switch-enum \
 147         -Wno-undef \
 148         -Wno-unused-macros \
 149         -Wno-used-but-marked-unused \
 150         -Wno-variadic-macros \
 151         -Wno-vla \
 152         -Wno-zero-length-array
 153
 154 CWARNFLAGS_STD = \
 155         $(WARNFLAGS_STD) \
 156         -Wstrict-prototypes \
 157         -Wmissing-prototypes \
 158         -Wshadow \
 159         -Winline \
 160         -Wnested-externs
 161
 162 # Can be overridden in Makefile.template or Makefile.$arch
 163 export CWARNFLAGS ?= $(CWARNFLAGS_STD)
 164
 165 define add_perfile_cflags
 166 $(1)_CWARNFLAGS_ADD += $2
 167 endef
 168
 169 CXXWARNFLAGS_STD = \
 170         $(WARNFLAGS_STD) \
 171         -Wno-c++98-compat-pedantic \
 172         -Wno-exit-time-destructors \
 173         -Wno-global-constructors \
 174         -Wno-old-style-cast
 175
 176 # overloaded-virtual warnings are non-fatal (9000888)
 177 CXXWARNFLAGS_STD += -Wno-error=overloaded-virtual
 178
 179 # Can be overridden in Makefile.template or Makefile.$arch
 180 export CXXWARNFLAGS ?= $(CXXWARNFLAGS_STD)
 181
 182 define add_perfile_cxxflags
 183 $(1)_CXXWARNFLAGS_ADD += $2
 184 endef
 185
 186 #
 187 # Default ARCH_FLAGS, for use with compiler/linker/assembler/mig drivers
 188
 189 ARCH_FLAGS_X86_64         = -arch x86_64
 190 ARCH_FLAGS_X86_64H        = -arch x86_64h
 191
 192
 193
 194 #
 195 # Default CFLAGS
 196 #
 197 ifdef RC_NONARCH_CFLAGS
 198 OTHER_CFLAGS = $(RC_NONARCH_CLFAGS)
 199 endif
 200
 201 #
 202 # Debug info
 203 #
 204 DSYMINFODIR     = Contents
 205 DSYMKGMACROSDIR = Contents/Resources
 206 DSYMLLDBMACROSDIR = Contents/Resources/Python
 207 DSYMDWARFDIR    = Contents/Resources/DWARF
 208
 209 DEBUG_CFLAGS := -g
 210 BUILD_DSYM := 1
 211
 212 #
 213 # We must not use -fno-keep-inline-functions, or it will remove the dtrace
 214 # probes from the kernel.
 215 #
 216 CFLAGS_GEN = $(DEBUG_CFLAGS) -nostdinc \
 217         -fno-builtin -fno-common \
 218         -fsigned-bitfields $(OTHER_CFLAGS)
 219
 220 CFLAGS_RELEASE  =
 221 CFLAGS_DEVELOPMENT      =
 222 CFLAGS_DEBUG    =
 223 CFLAGS_KASAN = $(CFLAGS_DEVELOPMENT)
 224 CFLAGS_PROFILE  =  -pg
 225
 226 CFLAGS_X86_64   = -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
 227                                 -DPAGE_SIZE_FIXED -mkernel -msoft-float
 228
 229 CFLAGS_X86_64H = $(CFLAGS_X86_64)
 230
 231
 232 CFLAGS_RELEASEX86_64 = -O2
 233 CFLAGS_DEVELOPMENTX86_64 = -O2
 234 CFLAGS_KASANX86_64 = $(CFLAGS_DEVELOPMENTX86_64)
 235 # No space optimization for the DEBUG kernel for the benefit of gdb:
 236 CFLAGS_DEBUGX86_64 = -O0
 237 CFLAGS_PROFILEX86_64 = -O2
 238
 239 CFLAGS_RELEASEX86_64H = -O2
 240 CFLAGS_DEVELOPMENTX86_64H = -O2
 241 CFLAGS_KASANX86_64H = $(CFLAGS_DEVELOPMENTX86_64H)
 242 # No space optimization for the DEBUG kernel for the benefit of gdb:
 243 CFLAGS_DEBUGX86_64H = -O0
 244 CFLAGS_PROFILEX86_64H = -O2
 245
 246 CFLAGS_RELEASEARM = -O2
 247 CFLAGS_DEVELOPMENTARM = -O2
 248 CFLAGS_DEBUGARM = -O0
 249 CFLAGS_PROFILEARM = -O2
 250
 251
 252
 253 #
 254 # KASAN support
 255 #
 256
 257
 258 ifeq ($(CURRENT_KERNEL_CONFIG),KASAN)
 259 KASAN = 1
 260 endif
 261
 262 ifeq ($(KASAN),1)
 263
 264 BUILD_LTO = 0
 265 KASAN_SHIFT_X86_64=0xdffffe1000000000
 266 KASAN_SHIFT_X86_64H=$(KASAN_SHIFT_X86_64)
 267 KASAN_SHIFT=$($(addsuffix $(CURRENT_ARCH_CONFIG),KASAN_SHIFT_))
 268 KASAN_BLACKLIST=$(OBJROOT)/san/kasan-blacklist-$(CURRENT_ARCH_CONFIG_LC)
 269 CFLAGS_GEN += -DKASAN=1 -DKASAN_SHIFT=$(KASAN_SHIFT) -fsanitize=address \
 270                 -mllvm -asan-globals-live-support \
 271                 -mllvm -asan-mapping-offset=$(KASAN_SHIFT) \
 272                 -fsanitize-blacklist=$(KASAN_BLACKLIST)
 273
 274 endif
 275
 276 CFLAGS  = $(CFLAGS_GEN) \
 277                   $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
 278                   $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
 279                   $($(addsuffix $(CURRENT_ARCH_CONFIG),CFLAGS_)) \
 280                   $($(addsuffix $(CURRENT_KERNEL_CONFIG),CFLAGS_)) \
 281                   $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),CFLAGS_))) \
 282                   $(DEPLOYMENT_TARGET_FLAGS) \
 283                   $(DEPLOYMENT_TARGET_DEFINES) \
 284                   $(DEFINES)
 285
 286 #
 287 # Default C++ flags
 288 #
 289
 290 OTHER_CXXFLAGS  =
 291
 292 CXXFLAGS_GEN  = -std=gnu++11 -fapple-kext $(OTHER_CXXFLAGS)
 293
 294 CXXFLAGS      = $(CXXFLAGS_GEN) \
 295                   $($(addsuffix $(CURRENT_ARCH_CONFIG),CXXFLAGS_)) \
 296                   $($(addsuffix $(CURRENT_KERNEL_CONFIG),CXXFLAGS_))
 297
 298 #
 299 # Assembler command
 300 #
 301 AS      = $(CC)
 302 S_KCC   = $(CC)
 303
 304 #
 305 # Default SFLAGS
 306 #
 307 SFLAGS_GEN = -D__ASSEMBLER__ -DASSEMBLER $(OTHER_CFLAGS)
 308
 309 SFLAGS_RELEASE  =
 310 SFLAGS_DEVELOPMENT      =
 311 SFLAGS_KASAN = $(SFLAGS_DEVELOPMENT) -DKASAN=1
 312 SFLAGS_DEBUG    =
 313 SFLAGS_PROFILE  =
 314
 315 SFLAGS_X86_64   = $(CFLAGS_X86_64)
 316 SFLAGS_X86_64H  = $(CFLAGS_X86_64H)
 317
 318 SFLAGS  = $(SFLAGS_GEN) \
 319                   $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
 320                   $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
 321                   $($(addsuffix $(CURRENT_ARCH_CONFIG),SFLAGS_)) \
 322                   $($(addsuffix $(CURRENT_KERNEL_CONFIG),SFLAGS_)) \
 323                   $(DEPLOYMENT_TARGET_FLAGS) \
 324                   $(DEPLOYMENT_TARGET_DEFINES) \
 325                   $(DEFINES)
 326
 327 #
 328 # Linker command
 329 #
 330 LD      = $(KC++) -nostdlib
 331
 332 #
 333 # Default LDFLAGS
 334 #
 335 # Availability of DWARF allows DTrace CTF (compressed type format) to be constructed.
 336 # ctf_insert creates the CTF section.  It needs reserved padding in the
 337 # headers for the load command segment and the CTF section structures.
 338 #
 339 LDFLAGS_KERNEL_GEN = \
 340         -nostdlib \
 341         -fapple-kext \
 342         -Wl,-e,__start \
 343         -Wl,-sectalign,__TEXT,__text,0x1000 \
 344         -Wl,-sectalign,__DATA,__common,0x1000 \
 345         -Wl,-sectalign,__DATA,__bss,0x1000 \
 346     -Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
 347     -Wl,-sectcreate,"__PLK_TEXT_EXEC",__text,/dev/null \
 348     -Wl,-sectcreate,__PRELINK_DATA,__data,/dev/null \
 349     -Wl,-sectcreate,"__PLK_DATA_CONST",__data,/dev/null \
 350     -Wl,-sectcreate,"__PLK_LLVM_COV",__llvm_covmap,/dev/null \
 351     -Wl,-sectcreate,"__PLK_LINKEDIT",__data,/dev/null \
 352         -Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null \
 353         -Wl,-new_linker \
 354         -Wl,-pagezero_size,0x0 \
 355         -Wl,-version_load_command \
 356         -Wl,-function_starts \
 357         -Wl,-headerpad,152
 358
 359 LDFLAGS_KERNEL_SDK      = -L$(SDKROOT)/usr/local/lib/kernel -lfirehose_kernel
 360
 361 LDFLAGS_KERNEL_RELEASE  =
 362 LDFLAGS_KERNEL_DEVELOPMENT     =
 363 LDFLAGS_KERNEL_KASAN = $(LDFLAGS_KERNEL_DEVELOPMENT)
 364 LDFLAGS_KERNEL_DEBUG    =
 365 LDFLAGS_KERNEL_PROFILE  =
 366
 367 # KASLR static slide config:
 368 ifndef SLIDE
 369 SLIDE=0x00
 370 endif
 371 KERNEL_MIN_ADDRESS      = 0xffffff8000000000
 372 KERNEL_BASE_OFFSET      = 0x100000
 373 KERNEL_STATIC_SLIDE     = $(shell printf "0x%016x" \
 374                           $$[ $(SLIDE) << 21 ])
 375 KERNEL_STATIC_BASE      = $(shell printf "0x%016x" \
 376                           $$[ $(KERNEL_MIN_ADDRESS) + $(KERNEL_BASE_OFFSET) ])
 377 KERNEL_HIB_SECTION_BASE = $(shell printf "0x%016x" \
 378                           $$[ $(KERNEL_STATIC_BASE) + $(KERNEL_STATIC_SLIDE) ])
 379 KERNEL_TEXT_BASE        = $(shell printf "0x%016x" \
 380                           $$[ $(KERNEL_HIB_SECTION_BASE) + 0x100000 ])
 381
 382 LDFLAGS_KERNEL_RELEASEX86_64 = \
 383         -Wl,-pie \
 384         -Wl,-segaddr,__HIB,$(KERNEL_HIB_SECTION_BASE) \
 385         -Wl,-image_base,$(KERNEL_TEXT_BASE) \
 386         -Wl,-seg_page_size,__TEXT,0x200000 \
 387         -Wl,-sectalign,__HIB,__bootPT,0x1000 \
 388         -Wl,-sectalign,__HIB,__desc,0x1000 \
 389         -Wl,-sectalign,__HIB,__data,0x1000 \
 390         -Wl,-sectalign,__HIB,__text,0x1000 \
 391         -Wl,-sectalign,__HIB,__const,0x1000 \
 392         -Wl,-sectalign,__HIB,__bss,0x1000 \
 393         -Wl,-sectalign,__HIB,__common,0x1000 \
 394         -Wl,-sectalign,__HIB,__llvm_prf_cnts,0x1000 \
 395         -Wl,-sectalign,__HIB,__llvm_prf_names,0x1000 \
 396         -Wl,-sectalign,__HIB,__llvm_prf_data,0x1000 \
 397         -Wl,-sectalign,__HIB,__textcoal_nt,0x1000 \
 398         -Wl,-rename_section,__DATA,__const,__CONST,__constdata \
 399         -Wl,-no_zero_fill_sections \
 400         $(LDFLAGS_NOSTRIP_FLAG)
 401
 402 ifeq ($(KASAN),1)
 403 LDFLAGS_KERNEL_RELEASEX86_64 += \
 404         -Wl,-sectalign,__HIB,__cstring,0x1000 \
 405         -Wl,-sectalign,__HIB,__asan_globals,0x1000 \
 406         -Wl,-sectalign,__HIB,__asan_liveness,0x1000 \
 407         -Wl,-sectalign,__HIB,__mod_term_func,0x1000 \
 408         -Wl,-rename_section,__HIB,__mod_init_func,__NULL,__mod_init_func \
 409         -Wl,-rename_section,__HIB,__eh_frame,__NULL,__eh_frame
 410 endif
 411
 412 # Define KERNEL_BASE_OFFSET so known at compile time:
 413 CFLAGS_X86_64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 414 CFLAGS_X86_64H += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 415
 416 LDFLAGS_KERNEL_DEBUGX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 417 LDFLAGS_KERNEL_DEVELOPMENTX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 418 LDFLAGS_KERNEL_KASANX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 419 LDFLAGS_KERNEL_PROFILEX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 420
 421 LDFLAGS_KERNEL_RELEASEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64)
 422 LDFLAGS_KERNEL_DEBUGX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 423 LDFLAGS_KERNEL_DEVELOPMENTX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 424 LDFLAGS_KERNEL_KASANX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 425 LDFLAGS_KERNEL_PROFILEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 426
 427
 428 LDFLAGS_KERNEL  = $(LDFLAGS_KERNEL_GEN) \
 429                   $(LDFLAGS_KERNEL_SDK) \
 430                   $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
 431                   $($(addsuffix $(CURRENT_ARCH_CONFIG),LDFLAGS_KERNEL_)) \
 432                   $($(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_)) \
 433                   $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_))) \
 434                   $(DEPLOYMENT_TARGET_FLAGS)
 435
 436 #
 437 # Default runtime libraries to be linked with the kernel
 438 #
 439 LD_KERNEL_LIBS  = -lcc_kext
 440
 441 #
 442 # DTrace support
 443 #
 444 ifeq ($(CURRENT_KERNEL_CONFIG),RELEASE)
 445 ifneq ($(filter ARM%,$(CURRENT_ARCH_CONFIG)),)
 446 DO_CTFCONVERT = 0
 447 DO_CTFMERGE   = 0
 448 DO_CTFMACHO   = 0
 449 else
 450 DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
 451 DO_CTFMERGE   = 1
 452 DO_CTFMACHO   = $(NEEDS_CTF_MACHOS)
 453 endif
 454 else
 455 DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
 456 DO_CTFMERGE   = 1
 457 DO_CTFMACHO   = $(NEEDS_CTF_MACHOS)
 458 endif
 459
 460 #
 461 # Default INCFLAGS
 462 #
 463 INCFLAGS_IMPORT = $(patsubst %, -I$(OBJROOT)/EXPORT_HDRS/%, $(COMPONENT_IMPORT_LIST))
 464 INCFLAGS_EXTERN = -I$(SRCROOT)/EXTERNAL_HEADERS
 465 INCFLAGS_GEN    = -I$(SRCROOT)/$(COMPONENT) -I$(OBJROOT)/EXPORT_HDRS/$(COMPONENT)
 466 INCFLAGS_LOCAL  = -I.
 467 INCFLAGS_SDK    = -I$(SDKROOT)/usr/local/include/kernel
 468
 469 INCFLAGS        = $(INCFLAGS_LOCAL) $(INCFLAGS_GEN) $(INCFLAGS_IMPORT) $(INCFLAGS_EXTERN) $(INCFLAGS_MAKEFILE) $(INCFLAGS_SDK)
 470
 471 #
 472 # Default MIGFLAGS
 473 #
 474 MIGFLAGS        = $(DEFINES) $(INCFLAGS) -novouchers $($(addsuffix $(CURRENT_ARCH_CONFIG),CFLAGS_)) $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
 475                 $(DEPLOYMENT_TARGET_FLAGS)
 476
 477 # Support for LLVM Profile Guided Optimization (PGO)
 478
 479 ifeq ($(BUILD_PROFILE),1)
 480 CFLAGS_GEN += -fprofile-instr-generate -DPROFILE
 481 CXXFLAGS_GEN += -fprofile-instr-generate -DPROFILE
 482 endif
 483
 484 ifdef USE_PROFILE
 485 CFLAGS_GEN += -fprofile-instr-use=$(USE_PROFILE)
 486 CXXFLAGS_GEN += -fprofile-instr-use=$(USE_PROFILE)
 487 LDFLAGS_KERNEL_GEN += -fprofile-instr-use=$(USE_PROFILE)
 488
 489 CFLAGS_GEN += -Wno-error=profile-instr-out-of-date
 490 endif
 491
 492 #
 493 # Support for LLVM Link Time Optimization (LTO)
 494 #
 495 # LTO can be explicitly enabled or disabled with BUILD_LTO=1|0
 496 # and defaults to enabled except for DEBUG kernels
 497 #
 498 # CFLAGS_NOLTO_FLAG is needed on a per-file basis (for files
 499 # that deal poorly with LTO, or files that must be machine
 500 # code *.o files for xnu to build (i.e, setsegname runs on
 501 # them).
 502 #
 503 # LDFLAGS_NOSTRIP_FLAG is used to support configurations that
 504 # do not utilize an export list.  For these configs to build,
 505 # we need to prevent the LTO logic from dead stripping them.
 506
 507 LTO_ENABLED_RELEASE = 1
 508 LTO_ENABLED_DEVELOPMENT = 1
 509 LTO_ENABLED_DEBUG = 0
 510 LTO_ENABLED_KASAN = 0
 511
 512 ifneq ($(BUILD_LTO),)
 513 USE_LTO = $(BUILD_LTO)
 514 else
 515 USE_LTO = $(LTO_ENABLED_$(CURRENT_KERNEL_CONFIG))
 516 endif
 517
 518 SUPPORTS_CTFCONVERT     = 0
 519 ifeq ($(USE_LTO),1)
 520 CFLAGS_GEN      += -flto
 521 CXXFLAGS_GEN    += -flto
 522 LDFLAGS_KERNEL_GEN      += -Wl,-mllvm,-inline-threshold=125 -Wl,-object_path_lto,$(TARGET)/lto.o # -Wl,-mllvm -Wl,-disable-fp-elim
 523 LDFLAGS_NOSTRIP_FLAG = -rdynamic
 524 CFLAGS_NOLTO_FLAG = -fno-lto
 525 NEEDS_CTF_MACHOS        = 1
 526 else
 527 LDFLAGS_NOSTRIP_FLAG =
 528 CFLAGS_NOLTO_FLAG =
 529 ifneq ($(CTFCONVERT),)
 530 SUPPORTS_CTFCONVERT     = 1
 531 endif
 532 NEEDS_CTF_MACHOS        = 0
 533 endif
 534
 535 ifeq ($(BUILD_JSON_COMPILATION_DATABASE),1)
 536 BUILD_DSYM      := 0
 537 DO_CTFCONVERT   := 0
 538 DO_CTFMERGE     := 0
 539 DO_CTFMACHO     := 0
 540 KCC             = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CC)
 541 KC++            = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CXX)
 542 S_KCC           = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CC)
 543 STRIP           = true
 544 endif
 545
 546 #
 547 # Default VPATH
 548 #
 549 export VPATH = .:$(SOURCE)
 550
 551
 552
 553 #
 554 # Macros that control installation of kernel and its header files
 555 #
 556 # install flags for header files
 557 #
 558 INSTALL_FLAGS = -c -S -m 0444
 559 DATA_INSTALL_FLAGS = -c -S -m 0644
 560 EXEC_INSTALL_FLAGS = -c -S -m 0755
 561
 562 #
 563 # Header file destinations
 564 #
 565 FRAMEDIR = /System/Library/Frameworks
 566
 567 SINCVERS = B
 568 SINCFRAME = $(FRAMEDIR)/System.framework
 569 SINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Headers
 570 SPINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/PrivateHeaders
 571 SRESDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Resources
 572
 573 ifndef INCDIR
 574     INCDIR = /usr/include
 575 endif
 576 ifndef LCLDIR
 577     LCLDIR = $(SPINCDIR)
 578 endif
 579
 580 KINCVERS = A
 581 KINCFRAME = $(FRAMEDIR)/Kernel.framework
 582 KINCDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Headers
 583 KPINCDIR = $(KINCFRAME)/Versions/$(KINCVERS)/PrivateHeaders
 584 KRESDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Resources
 585
 586 XNU_PRIVATE_UNIFDEF = -UMACH_KERNEL_PRIVATE -UBSD_KERNEL_PRIVATE -UIOKIT_KERNEL_PRIVATE -ULIBKERN_KERNEL_PRIVATE -ULIBSA_KERNEL_PRIVATE -UPEXPERT_KERNEL_PRIVATE -UXNU_KERNEL_PRIVATE
 587
 588
 589 PLATFORM_UNIFDEF = $(foreach x,$(SUPPORTED_PLATFORMS),$(if $(filter $(PLATFORM),$(x)),-DPLATFORM_$(x) $(foreach token,$(PLATFORM_UNIFDEF_BLACKLIST_TOKENS_$(x)),-U$(token)),-UPLATFORM_$(x)))
 590
 591 SPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
 592 SINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
 593 KPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -DKERNEL_PRIVATE -DPRIVATE -DKERNEL -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
 594 KINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UPRIVATE -DKERNEL -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
 595
 596 #
 597 # Compononent Header file destinations
 598 #
 599 EXPDIR = EXPORT_HDRS/$(COMPONENT)
 600
 601 #
 602 # Strip Flags
 603 #
 604 STRIP_FLAGS_RELEASE     = -S -x
 605 STRIP_FLAGS_DEVELOPMENT = -S
 606 STRIP_FLAGS_KASAN = $(STRIP_FLAGS_DEVELOPMENT)
 607 STRIP_FLAGS_DEBUG       = -S
 608 STRIP_FLAGS_PROFILE     = -S -x
 609
 610 STRIP_FLAGS     = $($(addsuffix $(CURRENT_KERNEL_CONFIG),STRIP_FLAGS_))
 611
 612 #
 613 # dsymutil flags
 614 #
 615 DSYMUTIL_FLAGS_GEN      = --minimize
 616
 617 DSYMUTIL_FLAGS_X86_64   = --arch=x86_64
 618 DSYMUTIL_FLAGS_X86_64H  = --arch=x86_64h
 619
 620 DSYMUTIL_FLAGS = $(DSYMUTIL_FLAGS_GEN) \
 621         $($(addsuffix $(CURRENT_ARCH_CONFIG),DSYMUTIL_FLAGS_))
 622
 623 #
 624 # Man Page destination
 625 #
 626 MANDIR = /usr/share/man
 627
 628 #
 629 # DEBUG alias location
 630 #
 631 DEVELOPER_EXTRAS_DIR = /AppleInternal/CoreOS/xnu_$(CURRENT_KERNEL_CONFIG_LC)
 632
 633 #
 634 # mach_kernel install location
 635 #
 636 INSTALL_KERNEL_DIR = /
 637
 638 #
 639 # new OS X install location
 640 #
 641 SYSTEM_LIBRARY_KERNELS_DIR = /System/Library/Kernels
 642
 643 #
 644 # File names in DSTROOT
 645 #
 646
 647 ifeq ($(PLATFORM),MacOSX)
 648 KERNEL_FILE_NAME_PREFIX = kernel
 649 else
 650 KERNEL_FILE_NAME_PREFIX = mach
 651 endif
 652
 653 ifeq ($(CURRENT_MACHINE_CONFIG),NONE)
 654 ifeq ($(CURRENT_KERNEL_CONFIG),RELEASE)
 655 KERNEL_FILE_NAME = $(KERNEL_FILE_NAME_PREFIX)
 656 KERNEL_LLDBBOOTSTRAP_NAME = $(KERNEL_FILE_NAME_PREFIX).py
 657 else
 658 KERNEL_FILE_NAME = $(KERNEL_FILE_NAME_PREFIX).$(CURRENT_KERNEL_CONFIG_LC)
 659 KERNEL_LLDBBOOTSTRAP_NAME = $(KERNEL_FILE_NAME_PREFIX).py
 660 endif
 661 else
 662 KERNEL_FILE_NAME = $(KERNEL_FILE_NAME_PREFIX).$(CURRENT_KERNEL_CONFIG_LC).$(CURRENT_MACHINE_CONFIG_LC)
 663 KERNEL_LLDBBOOTSTRAP_NAME = $(KERNEL_FILE_NAME_PREFIX)_$(CURRENT_KERNEL_CONFIG_LC).py
 664 endif
 665
 666 CURRENT_ALIAS_MACHINE_CONFIG = $(word 4,$(subst ^, ,$(CURRENT_BUILD_CONFIG)))
 667 CURRENT_ALIAS_MACHINE_CONFIG_LC = $(shell printf "%s" "$(CURRENT_ALIAS_MACHINE_CONFIG)" | $(TR) A-Z a-z)
 668 ifneq ($(CURRENT_ALIAS_MACHINE_CONFIG),)
 669 ALIAS_FILE_NAME = $(KERNEL_FILE_NAME_PREFIX).$(CURRENT_KERNEL_CONFIG_LC).$(CURRENT_ALIAS_MACHINE_CONFIG_LC)
 670 endif
 671
 672 #
 673 # System.kext pseudo-kext install location
 674 #
 675 INSTALL_EXTENSIONS_DIR = /System/Library/Extensions
 676
 677 #
 678 # KDK location
 679 #
 680 INSTALL_KERNEL_SYM_DIR = /System/Library/Extensions/KDK
 681
 682 #
 683 # Misc. Etc.
 684 #
 685 INSTALL_SHARE_MISC_DIR = /usr/share/misc
 686 INSTALL_DTRACE_SCRIPTS_DIR = /usr/lib/dtrace
 687 INSTALL_DTRACE_LIBEXEC_DIR = /usr/libexec/dtrace
 688
 689 #
 690 # Overrides for XBS build aliases
 691 #
 692 ifeq ($(RC_ProjectName),xnu_debug)
 693 INSTALL_KERNEL_DIR := $(DEVELOPER_EXTRAS_DIR)
 694 INSTALL_KERNEL_SYM_DIR := $(DEVELOPER_EXTRAS_DIR)
 695 INSTALL_KERNEL_SYM_TO_KDK = 1
 696 INSTALL_XNU_DEBUG_FILES = 1
 697 else ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
 698 INSTALL_KERNEL_SYM_TO_KDK = 1
 699 USE_BINARY_PLIST = 1
 700 else ifneq ($(filter $(SUPPORTED_SIMULATOR_PLATFORMS),$(PLATFORM)),)
 701 USE_BINARY_PLIST = 1
 702 else ifeq ($(PLATFORM),MacOSX)
 703 INSTALL_KERNEL_DIR := $(SYSTEM_LIBRARY_KERNELS_DIR)
 704 INSTALL_KERNEL_SYM_DIR := $(SYSTEM_LIBRARY_KERNELS_DIR)
 705 INSTALL_KERNEL_SYM_TO_KDK = $(if $(filter YES,$(DWARF_DSYM_FILE_SHOULD_ACCOMPANY_PRODUCT)),1,0)
 706 endif
 707
 708 ifeq ($(RC_ProjectName),xnu_kasan)
 709 INSTALL_KASAN_ONLY = 1
 710 endif
 711
 712 # vim: set ft=make: