# -*- mode: makefile;-*-
#
-# Copyright (C) 1999-2017 Apple Inc. All rights reserved.
+# Copyright (C) 1999-2020 Apple Inc. All rights reserved.
#
# MakeInc.def contains global definitions for building,
# linking, and installing files.
#
SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE KASAN
+
#
# Machine Configuration options
#
SUPPORTED_X86_64_MACHINE_CONFIGS = NONE
SUPPORTED_X86_64H_MACHINE_CONFIGS = NONE
-SUPPORTED_ARM_MACHINE_CONFIGS = S7002 T8002 T8004
-SUPPORTED_ARM64_MACHINE_CONFIGS = S5L8960X T7000 T7001 S8000 S8001 T8010 T8011 BCM2837
+ifneq ($(findstring _Sim,$(RC_ProjectName)),)
+SUPPORTED_ARM_MACHINE_CONFIGS = NONE
+SUPPORTED_ARM64_MACHINE_CONFIGS = NONE
+else ifneq ($(findstring _host,$(RC_ProjectName)),)
+SUPPORTED_ARM_MACHINE_CONFIGS = NONE
+SUPPORTED_ARM64_MACHINE_CONFIGS = NONE
+else
+SUPPORTED_ARM_MACHINE_CONFIGS = T8002 T8004
+SUPPORTED_ARM64_MACHINE_CONFIGS = T7000 T7001 S8000 S8001 T8010 T8011 BCM2837 T8020 T8101 T8103
+endif
#
# Setup up *_LC variables during recursive invocations
COMPONENT = $(if $(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(firstword $(subst /, ,$(RELATIVE_SOURCE_PATH))))
COMPONENT_IMPORT_LIST = $(filter-out $(COMPONENT),$(COMPONENT_LIST))
-MACHINE_FLAGS_ARM64_S5L8960X = -DARM64_BOARD_CONFIG_S5L8960X
MACHINE_FLAGS_ARM64_T7000 = -DARM64_BOARD_CONFIG_T7000
MACHINE_FLAGS_ARM64_T7001 = -DARM64_BOARD_CONFIG_T7001
-MACHINE_FLAGS_ARM_S7002 = -DARM_BOARD_CONFIG_S7002
MACHINE_FLAGS_ARM64_S8000 = -DARM64_BOARD_CONFIG_S8000
MACHINE_FLAGS_ARM64_S8001 = -DARM64_BOARD_CONFIG_S8001
MACHINE_FLAGS_ARM_T8002 = -DARM_BOARD_CONFIG_T8002
MACHINE_FLAGS_ARM64_T8010 = -DARM64_BOARD_CONFIG_T8010 -mcpu=hurricane
MACHINE_FLAGS_ARM64_T8011 = -DARM64_BOARD_CONFIG_T8011 -mcpu=hurricane
MACHINE_FLAGS_ARM64_BCM2837 = -DARM64_BOARD_CONFIG_BCM2837
+MACHINE_FLAGS_ARM64_T8020 = -DARM64_BOARD_CONFIG_T8020 -mcpu=vortex
+MACHINE_FLAGS_ARM64_T8101 = -DARM64_BOARD_CONFIG_T8101 -D__ARM_ARCH_8_5__=1
+MACHINE_FLAGS_ARM64_T8103 = -DARM64_BOARD_CONFIG_T8103 -D__ARM_ARCH_8_5__=1
#
# Deployment target flag
#
ifeq ($(PLATFORM),MacOSX)
- DEPLOYMENT_TARGET_FLAGS = -mmacosx-version-min=$(SDKVERSION)
+ DEPLOYMENT_TARGET_FLAGS = -mmacosx-version-min=$(SDKVERSION) -DXNU_TARGET_OS_OSX
DEPLOYMENT_LINKER_FLAGS = -Wl,-macosx_version_min,$(SDKVERSION)
+else ifeq ($(PLATFORM),DriverKit)
+ DEPLOYMENT_TARGET_FLAGS = -target x86_64-apple-driverkit$(SDKVERSION) -DXNU_TARGET_OS_OSX
+ DEPLOYMENT_LINKER_FLAGS = -Wl,-target,x86_64-apple-driverkit$(SDKVERSION)
else ifeq ($(PLATFORM),WatchOS)
DEPLOYMENT_TARGET_FLAGS = -mwatchos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_WATCH
DEPLOYMENT_LINKER_FLAGS =
else ifeq ($(PLATFORM),tvOS)
- DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
+ DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_TV
DEPLOYMENT_LINKER_FLAGS =
else ifeq ($(PLATFORM),AppleTVOS)
- DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
+ DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_TV
else ifeq ($(PLATFORM),BridgeOS)
DEPLOYMENT_TARGET_FLAGS = -mbridgeos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_BRIDGE
DEPLOYMENT_LINKER_FLAGS =
else ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
- DEPLOYMENT_TARGET_FLAGS = -miphoneos-version-min=$(SDKVERSION)
+ DEPLOYMENT_TARGET_FLAGS = -miphoneos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_IOS
DEPLOYMENT_LINKER_FLAGS = -Wl,-ios_version_min,$(SDKVERSION)
else ifneq ($(filter $(SUPPORTED_SIMULATOR_PLATFORMS),$(PLATFORM)),)
DEPLOYMENT_TARGET_FLAGS =
DEPLOYMENT_TARGET_DEFINES = -DPLATFORM_$(PLATFORM)
+ifneq ($(RC_ENABLE_PRODUCT_INFO_FILTER),)
+SEED_DEFINES += -DRC_ENABLE_XNU_PRODUCT_INFO_FILTER
+else
+SEED_DEFINES += -URC_ENABLE_XNU_PRODUCT_INFO_FILTER
+endif
+
#
# Standard defines list
#
DEFINES = -DAPPLE -DKERNEL -DKERNEL_PRIVATE -DXNU_KERNEL_PRIVATE \
- -DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile $(CONFIG_DEFINES) \
- $(SEED_DEFINES)
+ -DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile -DXNU_KERN_EVENT_DATA_IS_VLA \
+ $(CONFIG_DEFINES) $(SEED_DEFINES)
+
+# Enable caching with `make CCACHE=ccache`
+# This intentionally does not override $(CC) because that will confuse
+# utilities like mig.
+CCACHE ?=
#
# Compiler command
#
-KCC = $(CC)
-KC++ = $(CXX)
+KCC = $(CCACHE) $(CC)
+KC++ = $(CCACHE) $(CXX)
-GENASSYM_KCC = $(CC)
+GENASSYM_KCC = $(CCACHE) $(CC)
#
# Compiler warning flags
endif
# Shared C/C++ warning flags
+# NOTE: order matters here. -Wno-xxx goes before opt-in of ones we want
WARNFLAGS_STD := \
-Weverything \
-Wno-pedantic \
$(WERROR) \
- -Wno-assign-enum \
-Wno-bad-function-cast \
- -Wno-c++98-compat \
-Wno-c++-compat \
+ -Wno-c++98-compat \
-Wno-conditional-uninitialized \
- -Wno-conversion \
- -Wnull-conversion \
- -Wstring-conversion \
- -Wliteral-conversion \
- -Wnon-literal-null-conversion \
- -Wint-conversion \
- -Wenum-conversion \
- -Wfloat-conversion \
- -Wconstant-conversion \
- -Wpointer-bool-conversion \
-Wno-covered-switch-default \
-Wno-disabled-macro-expansion \
-Wno-documentation-unknown-command \
+ -Wno-extra-semi-stmt \
-Wno-format-non-iso \
-Wno-format-nonliteral \
- -Wno-reserved-id-macro \
-Wno-language-extension-token \
-Wno-missing-variable-declarations \
-Wno-packed \
-Wno-padded \
-Wno-partial-availability \
+ -Wno-reserved-id-macro \
-Wno-shift-sign-overflow \
-Wno-switch-enum \
-Wno-undef \
-Wno-vla \
-Wno-zero-length-array
+# When a new clang has new warnings disable them here until the kernel is fixed.
WARNFLAGS_STD := $(WARNFLAGS_STD) \
-Wno-unknown-warning-option \
- -Wno-error=atomic-implicit-seq-cst
+ -Wno-anon-enum-enum-conversion \
+ -Wno-error=enum-enum-conversion \
+ -Wno-error=c99-designator \
+ -Wno-error=reorder-init-list
+
+# Hand-written sign conversion diagnostics are resolved, but the
+# auto-generated ones need mig and iig to be updated to fix. Disable the
+# diagnostic here until we've completed that:
+WARNFLAGS_STD := $(WARNFLAGS_STD) \
+ -Wno-sign-compare \
+ -Wno-sign-conversion
CWARNFLAGS_STD = \
$(WARNFLAGS_STD)
+
+
# Can be overridden in Makefile.template or Makefile.$arch
export CWARNFLAGS ?= $(CWARNFLAGS_STD)
$(1)_CWARNFLAGS_ADD += $2
endef
+define rm_perfile_cflags
+$(1)_CFLAGS_RM += $2
+endef
+
CXXWARNFLAGS_STD = \
$(WARNFLAGS_STD) \
-Wno-c++98-compat-pedantic \
-Wno-exit-time-destructors \
-Wno-global-constructors \
- -Wno-old-style-cast \
- -Wno-zero-as-null-pointer-constant
+ -Wno-old-style-cast
# Can be overridden in Makefile.template or Makefile.$arch
export CXXWARNFLAGS ?= $(CXXWARNFLAGS_STD)
ARCH_FLAGS_X86_64 = -arch x86_64
ARCH_FLAGS_X86_64H = -arch x86_64h
+ifeq ($(RC_ProjectName),xnu_libraries)
+WILL_BUILD_STATIC_KC := 1
+BUILD_STATIC_LINK := 1
+BUILD_XNU_LIBRARY := 1
+RC_NONARCH_CFLAGS += -D__BUILDING_XNU_LIBRARY__=1
+endif
+
ifneq ($(filter ARM ARM64,$(CURRENT_ARCH_CONFIG)),)
+ifneq ($(findstring _Sim,$(RC_ProjectName)),)
+ARCH_FLAGS_ARM64 = -arch arm64e
+else ifneq ($(findstring _host,$(RC_ProjectName)),)
+ARCH_FLAGS_ARM64 = -arch arm64e
+else
+
ifndef ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG
+
+ifneq ($(EMBEDDED_DEVICE_MAP),)
export ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG := $(shell $(EMBEDDED_DEVICE_MAP) -db $(EDM_DBPATH) -query SELECT DISTINCT KernelMachOArchitecture FROM Targets WHERE KernelPlatform IS \"$(CURRENT_MACHINE_CONFIG_LC)\" LIMIT 1 || echo UNKNOWN )
+else
+# Without embdedded device map, use a default arch string
+export ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG := $(shell echo $(CURRENT_ARCH_CONFIG) | tr A-Z a-z)
+ifneq ($(filter ARM64,$(CURRENT_ARCH_CONFIG)),)
+export ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG := arm64e
+endif
+endif
endif
-BUILD_STATIC_LINK := 1
-
+#
+# This can have false negatives, and is used to avoid calling CTF when we'll build a static KC
+#
+ifndef WILL_BUILD_STATIC_KC
+ifneq ($(EMBEDDED_DEVICE_MAP),)
+export WILL_BUILD_STATIC_KC := $(shell $(EMBEDDED_DEVICE_MAP) -db $(EDM_DBPATH) \
+ -query 'SELECT COUNT(*) != 0 FROM Targets WHERE KernelPlatform IS "$(CURRENT_MACHINE_CONFIG_LC)" \
+ AND (KernelMachOArchitecture LIKE "arm64e" OR ProductType LIKE "iphone10,%")')
+else
+export WILL_BUILD_STATIC_KC := 0
+endif
endif
+BUILD_STATIC_LINK := 1
+
ARCH_FLAGS_ARM = -arch $(ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG)
ARCH_FLAGS_ARM64 = -arch $(ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG)
-#
-# Clang static analyzer flags
-#
-ANALYZER = $(CC)
-ANALYZERPP = $(CXX)
-ANALYZERFLAGS = --analyze -D__clang_analyzer__
-ifneq ($(ANALYZE_FORMAT),text)
-ANALYZERFLAGS += -Xanalyzer -analyzer-output=html
-ANALYZERFLAGS += -o $(OBJROOT)/analyzer-html
+endif
+
else
-ANALYZERFLAGS += -Xanalyzer -analyzer-output=text
+# non arm machine config string
+ifndef ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG
+export ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG := $(shell echo $(CURRENT_ARCH_CONFIG) | tr A-Z a-z)
endif
-ifneq ($(ANALYZE_VERBOSE),YES)
-ANALYZERFLAGS += -Xclang -analyzer-disable-checker -Xclang deadcode.DeadStores
+
endif
#
# Default CFLAGS
#
ifdef RC_NONARCH_CFLAGS
-OTHER_CFLAGS = $(RC_NONARCH_CLFAGS)
+OTHER_CFLAGS = $(RC_NONARCH_CFLAGS)
endif
#
# probes from the kernel.
#
CFLAGS_GEN = $(DEBUG_CFLAGS) -nostdinc \
- -fno-builtin -fno-common \
- -fsigned-bitfields $(OTHER_CFLAGS)
+ -ferror-limit=10000 \
+ -fno-builtin \
+ -fno-common \
+ -ftrivial-auto-var-init=zero \
+ -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang \
+ -fsigned-bitfields \
+ -fmerge-all-constants \
+ -fno-c++-static-destructors \
+ $(OTHER_CFLAGS)
CFLAGS_RELEASE =
CFLAGS_DEVELOPMENT =
CFLAGS_X86_64H = $(CFLAGS_X86_64)
CFLAGS_ARM = -Darm -DARM -D__ARM__ -DPAGE_SIZE_FIXED \
- -fno-strict-aliasing -D__API__=v4
+ -momit-leaf-frame-pointer -fno-strict-aliasing -D__API__=v4
+
+LARGE_MEMORY_DEFINE=-UARM_LARGE_MEMORY
+ARM64_PLKSEG_ADDR =0xfffffff004004000
+ARM64_LINK_ADDR =0xfffffff007004000
+
+# Use ARM_LARGE_MEMORY config for all MacOSX targets.
+ifneq ($(filter $(PLATFORM),MacOSX),)
+LARGE_MEMORY_DEFINE=-DARM_LARGE_MEMORY=1
+ARM64_PLKSEG_ADDR =0xfffffe0004004000
+ARM64_LINK_ADDR =0xfffffe0007004000
+endif
+
-CFLAGS_ARM64 = -Darm64 -DARM64 -D__ARM64__ -DLP64 -DPAGE_SIZE_FIXED \
- -fno-strict-aliasing -D__API__=v4 -mkernel
+CFLAGS_ARM64 = -Darm64 -DARM64 -D__ARM64__ -DLP64 -DPAGE_SIZE_FIXED -DVM_KERNEL_LINK_ADDRESS=$(ARM64_LINK_ADDR) \
+ $(LARGE_MEMORY_DEFINE) -momit-leaf-frame-pointer -fno-strict-aliasing -D__API__=v4 -mkernel
CFLAGS_RELEASEX86_64 = -O2
CFLAGS_DEVELOPMENTX86_64 = -O2
SAN=0
+# KASan support
+#
+
ifeq ($(CURRENT_KERNEL_CONFIG),KASAN)
+# KASan kernel config implicitly enables the KASan instrumentation.
+# Instrumentation for other sanitizers is enabled explicitly at build time.
KASAN = 1
endif
ifeq ($(KASAN),1)
SAN=1
-BUILD_LTO = 0
-KASAN_SHIFT_ARM64=0xdffffff800000000
+BUILD_LTO=0
+
+# Shadow map scale size. With KASAN_SCALE=N, the shadow memory consumes 1/2^N of
+# the virtual address space.
+KASAN_SCALE=3
+
+KASAN_OFFSET_ARM64=0xe000000000000000
#
-# To calculate the kasan shift, subtract the lowest KVA to sanitize, shifted right by 3 bits,
+# To calculate the kasan offset, subtract the lowest KVA to sanitize, shifted right by 3 bits,
# from the base address of the kasan shadow area, (e.g. solve the following equation:
-# SHIFT = {VA mapped by the first KASAN PML4 [Currently #494]} - (LOWEST_KVA >> 3)
-# SHIFT = (0ULL - (512GiB * (512 - 494))) - (LOWEST_SAN_KVA >> 3)
-# SHIFT = FFFFF70000000000 - ((0ULL - (512GiB * (512 - 496))) >> 3) [PML4 #496 is the first possible KVA]
-# SHIFT = FFFFF70000000000 - (FFFFF80000000000 >> 3)
-# SHIFT = DFFFF80000000000
+# OFFSET = {VA mapped by the first KASAN PML4 [Currently #494]} - (LOWEST_KVA >> 3)
+# OFFSET = (0ULL - (512GiB * (512 - 494))) - (LOWEST_SAN_KVA >> 3)
+# OFFSET = FFFFF70000000000 - ((0ULL - (512GiB * (512 - 496))) >> 3) [PML4 #496 is the first possible KVA]
+# OFFSET = FFFFF70000000000 - (FFFFF80000000000 >> 3)
+# OFFSET = DFFFF80000000000
# ).
-KASAN_SHIFT_X86_64=0xdffff80000000000
-KASAN_SHIFT_X86_64H=$(KASAN_SHIFT_X86_64)
-KASAN_SHIFT=$($(addsuffix $(CURRENT_ARCH_CONFIG),KASAN_SHIFT_))
-CFLAGS_GEN += -DKASAN=1 -DKASAN_SHIFT=$(KASAN_SHIFT) -fsanitize=address \
+KASAN_OFFSET_X86_64=0xdffff80000000000
+KASAN_OFFSET_X86_64H=$(KASAN_OFFSET_X86_64)
+KASAN_OFFSET=$($(addsuffix $(CURRENT_ARCH_CONFIG),KASAN_OFFSET_))
+KASAN_BLACKLIST=$(OBJROOT)/san/kasan-blacklist-$(CURRENT_ARCH_CONFIG_LC)
+CFLAGS_GEN += -DKASAN=1 -DKASAN_OFFSET=$(KASAN_OFFSET) -DKASAN_SCALE=$(KASAN_SCALE) -fsanitize=address \
-mllvm -asan-globals-live-support \
- -mllvm -asan-mapping-offset=$(KASAN_SHIFT)
+ -mllvm -asan-mapping-offset=$(KASAN_OFFSET) \
+ -fsanitize-blacklist=$(KASAN_BLACKLIST)
endif
ifeq ($(UBSAN),1)
SAN=1
-UBSAN_CHECKS = signed-integer-overflow shift pointer-overflow # non-fatal (calls runtime, can return)
+UBSAN_CHECKS = signed-integer-overflow shift pointer-overflow bounds object-size # non-fatal (calls runtime, can return)
+# UBSAN_CHECKS = undefined nullability unsigned-integer-overflow # everything
UBSAN_CHECKS_FATAL = # fatal (calls runtime, must not return)
UBSAN_CHECKS_TRAP = vla-bound builtin # emit a trap instruction (no runtime support)
-UBSAN_DISABLED = bounds object-size
+UBSAN_DISABLED =
-ifneq ($(KASAN),1)
-UBSAN_CHECKS += alignment # UBSan alignment + KASan code size is too large
-UBSAN_CHECKS_FATAL += unreachable # UBSan unreachable doesn't play nice with ASan (40723397)
+UBSAN_DISABLED += vptr function # requires unsupported C++ runtime
+ifeq ($(KASAN),1)
+# UBSan alignment + KASan code size is too large
+# UBSan unreachable doesn't play nice with ASan (40723397)
+UBSAN_DISABLED += alignment unreachable
endif
CFLAGS_GEN += -DUBSAN=1
CFLAGS_GEN += $(foreach x,$(UBSAN_CHECKS) $(UBSAN_CHECKS_FATAL) $(UBSAN_CHECKS_TRAP),-fsanitize=$(x))
CFLAGS_GEN += $(foreach x,$(UBSAN_CHECKS_FATAL),-fno-sanitize-recover=$(x))
CFLAGS_GEN += $(foreach x,$(UBSAN_CHECKS_TRAP),-fsanitize-trap=$(x))
+CFLAGS_GEN += $(foreach x,$(UBSAN_DISABLED),-fno-sanitize=$(x))
+endif
+
+ifeq ($(KSANCOV),1)
+# Enable SanitizerCoverage instrumentation in xnu
+SAN = 1
+KSANCOV_CFLAGS := -fsanitize-coverage=trace-pc-guard
+CFLAGS_GEN += $(KSANCOV_CFLAGS) -DKSANCOV=1
endif
ifeq ($(SAN),1)
CFLAGS_GEN += -fsanitize-blacklist=$(OBJROOT)/san/kasan-blacklist-$(CURRENT_ARCH_CONFIG_LC)
endif
+
CFLAGS = $(CFLAGS_GEN) \
$($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
$($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
OTHER_CXXFLAGS =
-CXXFLAGS_GEN = -std=gnu++1z -fapple-kext $(OTHER_CXXFLAGS)
+CXXFLAGS_GEN = -std=gnu++1z -fsized-deallocation -fapple-kext $(OTHER_CXXFLAGS)
CXXFLAGS = $(CXXFLAGS_GEN) \
$($(addsuffix $(CURRENT_ARCH_CONFIG),CXXFLAGS_)) \
#
# Assembler command
#
-AS = $(CC)
+AS = $(CCACHE) $(CC)
S_KCC = $(CC)
#
-fapple-kext \
-Wl,-e,__start \
-Wl,-sectalign,__TEXT,__text,0x1000 \
+ -Wl,-sectalign,__DATA,__percpu,0x80 \
-Wl,-sectalign,__DATA,__common,0x1000 \
-Wl,-sectalign,__DATA,__bss,0x1000 \
-Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
+ -Wl,-segprot,__PRELINK_TEXT,r-x,r-x \
-Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null \
-Wl,-new_linker \
-Wl,-pagezero_size,0x0 \
-Wl,-sectalign,__HIB,__llvm_prf_names,0x1000 \
-Wl,-sectalign,__HIB,__llvm_prf_data,0x1000 \
-Wl,-sectalign,__HIB,__textcoal_nt,0x1000 \
- -Wl,-rename_section,__DATA,__const,__CONST,__constdata \
+ -Wl,-sectalign,__HIB,__cstring,0x1000 \
+ -Wl,-rename_section,__DATA,__const,__DATA_CONST,__const \
+ -Wl,-segprot,__DATA_CONST,r--,r-- \
-Wl,-no_zero_fill_sections \
$(LDFLAGS_NOSTRIP_FLAG)
-Wl,-sectalign,__HIB,__cstring,0x1000
endif
-ifeq ($(KASAN),1)
+ifeq ($(KSANCOV),1)
LDFLAGS_KERNEL_RELEASEX86_64 += \
- -Wl,-sectalign,__HIB,__asan_globals,0x1000 \
- -Wl,-sectalign,__HIB,__asan_liveness,0x1000 \
- -Wl,-sectalign,__HIB,__mod_term_func,0x1000 \
- -Wl,-rename_section,__HIB,__mod_init_func,__NULL,__mod_init_func \
- -Wl,-rename_section,__HIB,__eh_frame,__NULL,__eh_frame
+ -Wl,-sectalign,__HIB,__sancov_guards,0x1000 \
+ -Wl,-sectalign,__HIB,__sancov_pcs,0x1000
endif
# Define KERNEL_BASE_OFFSET so known at compile time:
LDFLAGS_KERNEL_DEBUGX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
LDFLAGS_KERNEL_DEVELOPMENTX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
-LDFLAGS_KERNEL_KASANX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
+LDFLAGS_KERNEL_KASANX86_64 = $(LDFLAGS_KERNEL_DEVELOPMENTX86_64) \
+ -Wl,-sectalign,__HIB,__asan_globals,0x1000 \
+ -Wl,-sectalign,__HIB,__asan_liveness,0x1000 \
+ -Wl,-sectalign,__HIB,__mod_term_func,0x1000 \
+ -Wl,-rename_section,__HIB,__mod_init_func,__NULL,__mod_init_func \
+ -Wl,-rename_section,__HIB,__eh_frame,__NULL,__eh_frame
LDFLAGS_KERNEL_PROFILEX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
LDFLAGS_KERNEL_RELEASEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64)
LDFLAGS_KERNEL_DEBUGX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
LDFLAGS_KERNEL_DEVELOPMENTX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
-LDFLAGS_KERNEL_KASANX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
+LDFLAGS_KERNEL_KASANX86_64H = $(LDFLAGS_KERNEL_KASANX86_64)
LDFLAGS_KERNEL_PROFILEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
# We preload ___udivmoddi4 in order to work around an issue with building
-Wl,-u,___udivmoddi4
LDFLAGS_KERNEL_RELEASEARM = \
- $(LDFLAGS_KERNEL_GENARM)
+ $(LDFLAGS_KERNEL_GENARM) \
+ $(LDFLAGS_KERNEL_STRIP_LTO)
-LDFLAGS_KERNEL_EXPORTS_RELEASEARM = \
+LDFLAGS_KERNEL_ONLY_CONFIG_RELEASEARM = \
-Wl,-exported_symbols_list,$(TARGET)/all-kpi.exp
LDFLAGS_KERNEL_DEVELOPMENTARM = \
$(LDFLAGS_KERNEL_GENARM) \
$(LDFLAGS_NOSTRIP_FLAG)
-LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM =
+LDFLAGS_KERNEL_ONLY_CONFIG_DEVELOPMENTARM =
LDFLAGS_KERNEL_DEBUGARM = $(LDFLAGS_KERNEL_DEVELOPMENTARM)
-LDFLAGS_KERNEL_EXPORTS_DEBUGARM = $(LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM)
+LDFLAGS_KERNEL_ONLY_CONFIG_DEBUGARM = $(LDFLAGS_KERNEL_ONLY_CONFIG_DEVELOPMENTARM)
# Offset image base by page to have iBoot load kernel TEXT correctly.
# First page is used for various purposes : sleep token, reset vector.
LDFLAGS_KERNEL_GENARM64 = \
-Wl,-pie \
-Wl,-static \
- -Wl,-segaddr,__PRELINK_TEXT,0xfffffff004004000 \
- -Wl,-image_base,0xfffffff007004000 \
+ -Wl,-segaddr,__PRELINK_TEXT,$(ARM64_PLKSEG_ADDR) \
+ -Wl,-image_base,$(ARM64_LINK_ADDR) \
+ \
+ -Wl,-rename_section,__HIB,__text,__TEXT_EXEC,__hib_text \
+ \
+ -Wl,-rename_section,__HIB,__const,__DATA_CONST,__hib_const \
+ -Wl,-rename_section,__HIB,__cstring,__DATA_CONST,__hib_const \
+ -Wl,-rename_section,__HIB,__literal8,__DATA_CONST,__hib_const \
+ -Wl,-rename_section,__HIB,__literal16,__DATA_CONST,__hib_const \
+ \
+ -Wl,-rename_segment,__HIB,__HIBDATA \
+ \
-Wl,-sectalign,__DATA,__const,0x4000 \
+ -Wl,-sectalign,__DATA,__data,0x4000 \
-Wl,-rename_section,__DATA,__mod_init_func,__DATA_CONST,__mod_init_func \
-Wl,-rename_section,__DATA,__mod_term_func,__DATA_CONST,__mod_term_func \
-Wl,-rename_section,__DATA,__auth_ptr,__DATA_CONST,__auth_ptr \
-Wl,-rename_section,__DATA,__auth_got,__DATA_CONST,__auth_got \
-Wl,-rename_section,__DATA,__const,__DATA_CONST,__const \
+ -Wl,-segprot,__DATA_CONST,r--,r-- \
-Wl,-rename_section,__TEXT,__text,__TEXT_EXEC,__text \
-Wl,-rename_section,__TEXT,__stubs,__TEXT_EXEC,__stubs \
- -Wl,-rename_section,__TEXT,initcode,__TEXT_EXEC,initcode \
-Wl,-sectcreate,"__PLK_TEXT_EXEC",__text,/dev/null \
-Wl,-sectcreate,__PRELINK_DATA,__data,/dev/null \
-Wl,-sectcreate,"__PLK_DATA_CONST",__data,/dev/null \
-Wl,-sectcreate,"__PLK_LLVM_COV",__llvm_covmap,/dev/null \
-Wl,-sectcreate,"__PLK_LINKEDIT",__data,/dev/null
-
-LDFLAGS_KERNEL_SEGARM64 ?= \
- -Wl,-segment_order,__TEXT:__DATA_CONST:__LINKEDIT:__TEXT_EXEC:__LAST:__KLD:__DATA:__BOOTDATA
+LDFLAGS_KERNEL_SEGARM64 = \
+ -Wl,-rename_section,__PPLDATA,__const,__PPLDATA_CONST,__const \
+ -Wl,-segment_order,__TEXT:__DATA_CONST:__LINKEDIT:__TEXT_EXEC:__PPLTEXT:__PPLTRAMP:__PPLDATA_CONST:__LASTDATA_CONST:__LAST:__PPLDATA:__KLD:__DATA:__HIBDATA:__BOOTDATA \
+ -Wl,-segprot,__PPLTEXT,r-x,r-x -Wl,-segprot,__PPLTRAMP,r-x,r-x -Wl,-segprot,__PPLDATA_CONST,r--,r-- -Wl,-segprot,__LASTDATA_CONST,r--,r-- -Wl,-segprot,__LAST,r-x,r-x
LDFLAGS_KERNEL_RELEASEARM64 = \
$(LDFLAGS_KERNEL_GENARM64) \
- $(LDFLAGS_KERNEL_SEGARM64)
+ $(LDFLAGS_KERNEL_SEGARM64) \
+ $(LDFLAGS_KERNEL_STRIP_LTO)
-LDFLAGS_KERNEL_EXPORTS_RELEASEARM64 = \
+LDFLAGS_KERNEL_ONLY_CONFIG_RELEASEARM64 = \
-Wl,-exported_symbols_list,$(TARGET)/all-kpi.exp
LDFLAGS_KERNEL_DEVELOPMENTARM64 = \
$(LDFLAGS_KERNEL_SEGARM64) \
$(LDFLAGS_NOSTRIP_FLAG)
-LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM64 =
+LDFLAGS_KERNEL_ONLY_CONFIG_DEVELOPMENTARM64 =
LDFLAGS_KERNEL_KASANARM64 = $(LDFLAGS_KERNEL_DEVELOPMENTARM64)
LDFLAGS_KERNEL_DEBUGARM64 = $(LDFLAGS_KERNEL_DEVELOPMENTARM64)
-LDFLAGS_KERNEL_EXPORTS_KASANARM64 = $(LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM64)
-LDFLAGS_KERNEL_EXPORTS_DEBUGARM64 = $(LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM64)
+LDFLAGS_KERNEL_ONLY_CONFIG_KASANARM64 = $(LDFLAGS_KERNEL_ONLY_CONFIG_DEVELOPMENTARM64)
+LDFLAGS_KERNEL_ONLY_CONFIG_DEBUGARM64 = $(LDFLAGS_KERNEL_ONLY_CONFIG_DEVELOPMENTARM64)
+
+#
+# arm64e specific linker flags that should be used only when linking the kernel
+# (and not the static kernel cache / kcgen)
+#
+LDFLAGS_KERNEL_ONLY_SUBARCH_arm64e = \
+ -Wl,-add_split_seg_info \
+ -Wl,-kernel
+
+LDFLAGS_KERNEL_ONLY_SUBARCH_x86_64 = \
+ -Wl,-add_split_seg_info \
+ -Wl,-kernel
+LDFLAGS_KERNEL_ONLY_SUBARCH_x86_64h = $(LDFLAGS_KERNEL_ONLY_SUBARCH_x86_64)
LDFLAGS_KERNEL = $(LDFLAGS_KERNEL_GEN) \
$(LDFLAGS_KERNEL_SDK) \
$($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_))) \
$(DEPLOYMENT_TARGET_FLAGS)
-
-LDFLAGS_KERNEL_EXPORTS = \
- $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_EXPORTS_)))
+LDFLAGS_KERNEL_ONLY += \
+ $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_ONLY_CONFIG_))) \
+ $($(addsuffix $(ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG),LDFLAGS_KERNEL_ONLY_SUBARCH_)) \
+ -Wl,-alias_list,$(TARGET)/all-alias.exp \
+ -Wl,-sectcreate,__LINKINFO,__symbolsets,$(TARGET)/symbolsets.plist -Wl,-segprot,__LINKINFO,r--,r--
#
# Default runtime libraries to be linked with the kernel
#
LD_KERNEL_LIBS = -lcc_kext
LD_KERNEL_ARCHIVES = $(LDFLAGS_KERNEL_SDK) -lfirehose_kernel
+# Link opensource binary library
+ifneq ($(filter T8020 T8101 T8020 T8101,$(CURRENT_MACHINE_CONFIG)),)
+ LDFLAGS_KERNEL_ONLY += -rdynamic -Wl,-force_load,$(KDKROOT)/System/Library/KernelSupport/lib$(CURRENT_MACHINE_CONFIG).os.$(CURRENT_KERNEL_CONFIG).a
+endif
#
# DTrace support
#
+ifndef DO_CTFMERGE
+DO_CTFMERGE := 1
ifeq ($(CURRENT_KERNEL_CONFIG),RELEASE)
-ifneq ($(filter ARM%,$(CURRENT_ARCH_CONFIG)),)
-DO_CTFCONVERT = 0
-DO_CTFMERGE = 0
-DO_CTFMACHO = 0
-else
-DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
-DO_CTFMERGE = 1
-DO_CTFMACHO = $(NEEDS_CTF_MACHOS)
+ifneq ($(PLATFORM),MacOSX)
+DO_CTFMERGE := 0
+endif
+endif
+ifneq ($(CURRENT_KERNEL_CONFIG),KASAN)
+ifneq ($(PLATFORM),MacOSX)
+ifeq ($(WILL_BUILD_STATIC_KC),1)
+DO_CTFMERGE := 0
endif
-else
-DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
-DO_CTFMERGE = 1
-DO_CTFMACHO = $(NEEDS_CTF_MACHOS)
endif
+endif
+endif # DO_CTFMERGE
+
#
# Default INCFLAGS
USE_LTO = $(LTO_ENABLED_$(CURRENT_KERNEL_CONFIG))
endif
-SUPPORTS_CTFCONVERT = 0
ifeq ($(USE_LTO),1)
CFLAGS_GEN += -flto
CXXFLAGS_GEN += -flto
-LDFLAGS_KERNEL_GEN += -Wl,-mllvm,-inline-threshold=100 -Wl,-object_path_lto,$(TARGET)/lto.o
+LDFLAGS_KERNEL_LTO = -Wl,-mllvm,-inline-threshold=100
+LDFLAGS_KERNEL_GEN += $(LDFLAGS_KERNEL_LTO) -Wl,-object_path_lto,$(TARGET)/lto.o
LDFLAGS_NOSTRIP_FLAG = -rdynamic
+LDFLAGS_KERNEL_STRIP_LTO = -Wl,-dead_strip,-no_dead_strip_inits_and_terms
+
CFLAGS_NOLTO_FLAG = -fno-lto
-NEEDS_CTF_MACHOS = 1
else
+LDFLAGS_KERNEL_LTO =
LDFLAGS_NOSTRIP_FLAG =
+LDFLAGS_KERNEL_STRIP_LTO =
CFLAGS_NOLTO_FLAG =
-ifneq ($(CTFCONVERT),)
-SUPPORTS_CTFCONVERT = 1
-endif
-NEEDS_CTF_MACHOS = 0
endif
ifeq ($(BUILD_JSON_COMPILATION_DATABASE),1)
BUILD_DSYM := 0
-DO_CTFCONVERT := 0
-DO_CTFMERGE := 0
-DO_CTFMACHO := 0
+DO_CTFMERGE := 0
KCC = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CC)
KC++ = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CXX)
S_KCC = $(JSONCOMPILATIONDB) $(OBJPATH)/compile_commands.json $(PWD) $< $(CC)
#
INSTALL_FLAGS = -c -S -m 0444
DATA_INSTALL_FLAGS = -c -S -m 0644
+DATA_INSTALL_FLAGS_RO = -c -S -m 0444
EXEC_INSTALL_FLAGS = -c -S -m 0755
#
# Header file destinations
#
-FRAMEDIR = /System/Library/Frameworks
+
+ifeq ($(DRIVERKIT),1)
+ SDKHEADERSROOT=$(DRIVERKITRUNTIMEROOT)
+ # only whitelisted headers install outside of the DriverKit Runtime hierarchy
+ DRIVERKITSDKHEADERSROOT=$(DRIVERKITROOT)
+ DRIVERKITFRAMEDIR = $(DRIVERKITROOT)/System/Library/Frameworks
+endif
+
+FRAMEDIR = $(SDKHEADERSROOT)/System/Library/Frameworks
SINCVERS = B
SINCFRAME = $(FRAMEDIR)/System.framework
SRESDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Resources
ifndef INCDIR
- INCDIR = /usr/include
+ INCDIR = $(SDKHEADERSROOT)/usr/include
+endif
+ifndef DRIVERKITINCDIR
+ DRIVERKITINCDIR = $(DRIVERKITSDKHEADERSROOT)/usr/include
endif
ifndef LCLDIR
- LCLDIR = $(SPINCDIR)
+ ifeq ($(LIBKERN_USE_USR_LOCAL_INCLUDE),)
+ LCLDIR = $(SPINCDIR)
+ else
+ LCLDIR = $(SDKHEADERSROOT)/usr/local/include
+ endif
+endif
+ifndef DRIVERKITLCLDIR
+ DRIVERKITLCLDIR = $(DRIVERKITSDKHEADERSROOT)/usr/local/include
endif
KINCVERS = A
KPINCDIR = $(KINCFRAME)/Versions/$(KINCVERS)/PrivateHeaders
KRESDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Resources
+DKIT_INCVERS = A
+DKIT_INCFRAME = DriverKit.framework
+DKIT_INCDIR = $(DKIT_INCFRAME)/Versions/$(DKIT_INCVERS)/Headers
+DKIT_PINCDIR = $(DKIT_INCFRAME)/Versions/$(DKIT_INCVERS)/PrivateHeaders
+# DriverKit SDK frameworks use shallow bundle structure
+DRIVERKIT_DKIT_INCDIR = $(DKIT_INCFRAME)/Headers
+DRIVERKIT_DKIT_PINCDIR = $(DKIT_INCFRAME)/PrivateHeaders
+
XNU_PRIVATE_UNIFDEF = -UMACH_KERNEL_PRIVATE -UBSD_KERNEL_PRIVATE -UIOKIT_KERNEL_PRIVATE -ULIBKERN_KERNEL_PRIVATE -ULIBSA_KERNEL_PRIVATE -UPEXPERT_KERNEL_PRIVATE -UXNU_KERNEL_PRIVATE
PLATFORM_UNIFDEF = $(foreach x,$(SUPPORTED_PLATFORMS),$(if $(filter $(PLATFORM),$(x)),-DPLATFORM_$(x) $(foreach token,$(PLATFORM_UNIFDEF_BLACKLIST_TOKENS_$(x)),-U$(token)),-UPLATFORM_$(x)))
-SPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
-SINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
-KPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -DKERNEL_PRIVATE -DPRIVATE -DKERNEL -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
-KINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UPRIVATE -DKERNEL -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
-DATA_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
+SPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -UDRIVERKIT -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
+SINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -UDRIVERKIT -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
+DKPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -DDRIVERKIT -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
+DKINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -DDRIVERKIT -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
+KPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -DKERNEL_PRIVATE -DKERNEL -DPRIVATE -UDRIVERKIT -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
+KINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -DKERNEL -UPRIVATE -UDRIVERKIT -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
+DATA_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
#
# Compononent Header file destinations
#
# Overrides for XBS build aliases
#
-ifeq ($(RC_ProjectName),xnu_debug)
+ifneq ($(filter $(RC_ProjectName),xnu_debug),)
INSTALL_KERNEL_DIR := $(DEVELOPER_EXTRAS_DIR)
INSTALL_KERNEL_SYM_DIR := $(DEVELOPER_EXTRAS_DIR)
INSTALL_KERNEL_SYM_TO_KDK = 1
INSTALL_KERNEL_SYM_TO_KDK = $(if $(filter YES,$(DWARF_DSYM_FILE_SHOULD_ACCOMPANY_PRODUCT)),1,0)
endif
-ifeq ($(RC_ProjectName),xnu_kasan)
+ifneq ($(filter $(RC_ProjectName),xnu_kasan),)
INSTALL_KASAN_ONLY = 1
endif
projects / apple / xnu.git / blobdiff