]> git.saurik.com Git - apple/xnu.git/blobdiff - makedefs/MakeInc.def
xnu-4903.241.1.tar.gz
[apple/xnu.git] / makedefs / MakeInc.def
index b05ec67cab0fb4d1f6a031d618ceea34e0902ce3..73f7cdc57094f71cce43798fb5f77df423056017 100644 (file)
@@ -1,6 +1,6 @@
 # -*- mode: makefile;-*-
 #
-# Copyright (C) 1999-2016 Apple Inc. All rights reserved.
+# Copyright (C) 1999-2017 Apple Inc. All rights reserved.
 #
 # MakeInc.def contains global definitions for building,
 # linking, and installing files.
@@ -9,12 +9,12 @@
 #
 # Architecture Configuration options
 #
-SUPPORTED_ARCH_CONFIGS := X86_64 X86_64H
+SUPPORTED_ARCH_CONFIGS := X86_64 X86_64H ARM ARM64
 
 #
 # Kernel Configuration options
 #
-SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE
+SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE KASAN
 
 #
 # Machine Configuration options
@@ -23,6 +23,9 @@ SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE
 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
+
 
 #
 # Setup up *_LC variables during recursive invocations
@@ -43,28 +46,49 @@ endif
 #
 # Component List
 #
-COMPONENT_LIST = osfmk bsd libkern iokit pexpert libsa security
+COMPONENT_LIST = osfmk bsd libkern iokit pexpert libsa security san
 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_ARM_T8004 = -DARM_BOARD_CONFIG_T8004
+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
+
 
 #
 # Deployment target flag
 #
 ifeq ($(PLATFORM),MacOSX)
     DEPLOYMENT_TARGET_FLAGS = -mmacosx-version-min=$(SDKVERSION)
+    DEPLOYMENT_LINKER_FLAGS = -Wl,-macosx_version_min,$(SDKVERSION)
 else ifeq ($(PLATFORM),WatchOS)
-    DEPLOYMENT_TARGET_FLAGS = -mwatchos-version-min=$(SDKVERSION)
+    DEPLOYMENT_TARGET_FLAGS = -mwatchos-version-min=$(SDKVERSION) -DXNU_TARGET_OS_WATCH
+    DEPLOYMENT_LINKER_FLAGS =
 else ifeq ($(PLATFORM),tvOS)
     DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
+    DEPLOYMENT_LINKER_FLAGS =
 else ifeq ($(PLATFORM),AppleTVOS)
     DEPLOYMENT_TARGET_FLAGS = -mtvos-version-min=$(SDKVERSION)
+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=$(SDKVERSION)
+    DEPLOYMENT_LINKER_FLAGS = -Wl,-ios_version_min,$(SDKVERSION)
 else ifneq ($(filter $(SUPPORTED_SIMULATOR_PLATFORMS),$(PLATFORM)),)
     DEPLOYMENT_TARGET_FLAGS =
+    DEPLOYMENT_LINKER_FLAGS =
 else
     DEPLOYMENT_TARGET_FLAGS =
+    DEPLOYMENT_LINKER_FLAGS =
 endif
 
 DEPLOYMENT_TARGET_DEFINES = -DPLATFORM_$(PLATFORM)
@@ -89,18 +113,35 @@ GENASSYM_KCC = $(CC)
 # Compiler warning flags
 #
 
-CWARNFLAGS_STD = \
-       -Weverything -Werror -Wextra -Wstrict-prototypes \
-       -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual \
-       -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wchar-subscripts \
-       -Winline -Wnested-externs -Wredundant-decls -Wextra-tokens \
-       -Wunreachable-code \
+USE_WERROR := 1
+ifneq ($(BUILD_WERROR),)
+USE_WERROR := $(BUILD_WERROR)
+endif
+
+ifeq ($(USE_WERROR),1)
+WERROR := -Werror
+endif
+
+# Shared C/C++ warning flags
+WARNFLAGS_STD := \
+       -Weverything \
+       -Wno-pedantic \
+       $(WERROR) \
        -Wno-assign-enum \
        -Wno-bad-function-cast \
        -Wno-c++98-compat \
        -Wno-c++-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 \
@@ -112,7 +153,6 @@ CWARNFLAGS_STD = \
        -Wno-packed \
        -Wno-padded \
        -Wno-partial-availability \
-       -Wno-pedantic \
        -Wno-shift-sign-overflow \
        -Wno-switch-enum \
        -Wno-undef \
@@ -122,6 +162,14 @@ CWARNFLAGS_STD = \
        -Wno-vla \
        -Wno-zero-length-array
 
+WARNFLAGS_STD := $(WARNFLAGS_STD) \
+       -Wno-unknown-warning-option \
+       -Wno-error=shadow-field \
+       -Wno-error=cast-qual
+
+CWARNFLAGS_STD = \
+       $(WARNFLAGS_STD)
+
 # Can be overridden in Makefile.template or Makefile.$arch
 export CWARNFLAGS ?= $(CWARNFLAGS_STD)
 
@@ -130,43 +178,12 @@ $(1)_CWARNFLAGS_ADD += $2
 endef
 
 CXXWARNFLAGS_STD = \
-       -Weverything -Werror -Wextra -Wpointer-arith -Wreturn-type \
-       -Wcast-qual -Wwrite-strings -Wswitch -Wcast-align -Wchar-subscripts \
-       -Wredundant-decls -Wextra-tokens \
-       -Wunreachable-code \
-       -Wno-assign-enum \
-       -Wno-bad-function-cast \
-       -Wno-c++98-compat \
+       $(WARNFLAGS_STD) \
        -Wno-c++98-compat-pedantic \
-       -Wno-c++-compat \
-       -Wno-conditional-uninitialized \
-       -Wno-conversion \
-       -Wno-covered-switch-default \
-       -Wno-disabled-macro-expansion \
-       -Wno-documentation-unknown-command \
        -Wno-exit-time-destructors \
-       -Wno-format-non-iso \
-       -Wno-format-nonliteral \
        -Wno-global-constructors \
-       -Wno-reserved-id-macro \
-       -Wno-language-extension-token \
-       -Wno-missing-variable-declarations \
        -Wno-old-style-cast \
-       -Wno-packed \
-       -Wno-padded \
-       -Wno-partial-availability \
-       -Wno-pedantic \
-       -Wno-shift-sign-overflow \
-       -Wno-switch-enum \
-       -Wno-undef \
-       -Wno-unused-macros \
-       -Wno-used-but-marked-unused \
-       -Wno-variadic-macros \
-       -Wno-vla \
-       -Wno-zero-length-array
-
-# overloaded-virtual warnings are non-fatal (9000888)
-CXXWARNFLAGS_STD += -Wno-error=overloaded-virtual
+       -Wno-zero-as-null-pointer-constant
 
 # Can be overridden in Makefile.template or Makefile.$arch
 export CXXWARNFLAGS ?= $(CXXWARNFLAGS_STD)
@@ -181,13 +198,40 @@ endef
 ARCH_FLAGS_X86_64        = -arch x86_64
 ARCH_FLAGS_X86_64H       = -arch x86_64h
 
+ifneq ($(filter ARM ARM64,$(CURRENT_ARCH_CONFIG)),)
+
+ifndef ARCH_STRING_FOR_CURRENT_MACHINE_CONFIG
+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 )
+endif
+
+BUILD_STATIC_LINK := 1
+
+endif
+
+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 $(OBJROOT)/analyzer-html
+else
+ANALYZERFLAGS          += -Xanalyzer -analyzer-output=text
+endif
+ifneq ($(ANALYZE_VERBOSE),YES)
+ANALYZERFLAGS          += -Xclang -analyzer-disable-checker -Xclang deadcode.DeadStores
+endif
 
 #
 # Default CFLAGS
 #
-ifdef RC_CFLAGS
-OTHER_CFLAGS   = $(subst $(addprefix -arch ,$(RC_ARCHS)),,$(RC_CFLAGS))
+ifdef RC_NONARCH_CFLAGS
+OTHER_CFLAGS = $(RC_NONARCH_CLFAGS)
 endif
 
 #
@@ -198,7 +242,7 @@ DSYMKGMACROSDIR     = Contents/Resources
 DSYMLLDBMACROSDIR = Contents/Resources/Python
 DSYMDWARFDIR   = Contents/Resources/DWARF
 
-DEBUG_CFLAGS := -gdwarf-2
+DEBUG_CFLAGS := -g
 BUILD_DSYM := 1
 
 #
@@ -212,6 +256,7 @@ CFLAGS_GEN = $(DEBUG_CFLAGS) -nostdinc \
 CFLAGS_RELEASE =
 CFLAGS_DEVELOPMENT     =
 CFLAGS_DEBUG   =
+CFLAGS_KASAN = $(CFLAGS_DEVELOPMENT)
 CFLAGS_PROFILE =  -pg
 
 CFLAGS_X86_64  = -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
@@ -219,15 +264,22 @@ CFLAGS_X86_64     = -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
 
 CFLAGS_X86_64H = $(CFLAGS_X86_64)
 
+CFLAGS_ARM     = -Darm -DARM -D__ARM__ -DPAGE_SIZE_FIXED \
+                       -fno-strict-aliasing -D__API__=v4
+
+CFLAGS_ARM64   = -Darm64 -DARM64 -D__ARM64__ -DLP64 -DPAGE_SIZE_FIXED \
+                       -fno-strict-aliasing -D__API__=v4 -mkernel
 
 CFLAGS_RELEASEX86_64 = -O2
 CFLAGS_DEVELOPMENTX86_64 = -O2
+CFLAGS_KASANX86_64 = $(CFLAGS_DEVELOPMENTX86_64)
 # No space optimization for the DEBUG kernel for the benefit of gdb:
 CFLAGS_DEBUGX86_64 = -O0
 CFLAGS_PROFILEX86_64 = -O2
 
 CFLAGS_RELEASEX86_64H = -O2
 CFLAGS_DEVELOPMENTX86_64H = -O2
+CFLAGS_KASANX86_64H = $(CFLAGS_DEVELOPMENTX86_64H)
 # No space optimization for the DEBUG kernel for the benefit of gdb:
 CFLAGS_DEBUGX86_64H = -O0
 CFLAGS_PROFILEX86_64H = -O2
@@ -237,6 +289,57 @@ CFLAGS_DEVELOPMENTARM = -O2
 CFLAGS_DEBUGARM = -O0
 CFLAGS_PROFILEARM = -O2
 
+CFLAGS_RELEASEARM64 = -O2
+CFLAGS_DEVELOPMENTARM64 = -O2
+CFLAGS_KASANARM64 = $(CFLAGS_DEVELOPMENTARM64)
+CFLAGS_DEBUGARM64 = -O0
+CFLAGS_PROFILEARM64 = -O2
+
+#
+# Sanitizers Support (KASan, UBSan)
+#
+
+
+SAN=0
+
+ifeq ($(CURRENT_KERNEL_CONFIG),KASAN)
+KASAN = 1
+endif
+
+ifeq ($(KASAN),1)
+SAN=1
+BUILD_LTO = 0
+KASAN_SHIFT_ARM64=0xdffffff800000000
+KASAN_SHIFT_X86_64=0xdffffe1000000000
+KASAN_SHIFT_X86_64H=$(KASAN_SHIFT_X86_64)
+KASAN_SHIFT=$($(addsuffix $(CURRENT_ARCH_CONFIG),KASAN_SHIFT_))
+CFLAGS_GEN += -DKASAN=1 -DKASAN_SHIFT=$(KASAN_SHIFT) -fsanitize=address \
+               -mllvm -asan-globals-live-support \
+               -mllvm -asan-mapping-offset=$(KASAN_SHIFT)
+
+endif
+
+ifeq ($(UBSAN),1)
+SAN=1
+UBSAN_CHECKS = signed-integer-overflow shift pointer-overflow  # non-fatal (calls runtime, can return)
+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
+
+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)
+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=$(x))
+endif
+
+ifeq ($(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)_)) \
@@ -254,7 +357,7 @@ CFLAGS      = $(CFLAGS_GEN) \
 
 OTHER_CXXFLAGS =
 
-CXXFLAGS_GEN  = -std=gnu++11 -fapple-kext $(OTHER_CXXFLAGS)
+CXXFLAGS_GEN  = -std=gnu++1z -fapple-kext $(OTHER_CXXFLAGS)
 
 CXXFLAGS      = $(CXXFLAGS_GEN) \
                  $($(addsuffix $(CURRENT_ARCH_CONFIG),CXXFLAGS_)) \
@@ -273,11 +376,14 @@ SFLAGS_GEN = -D__ASSEMBLER__ -DASSEMBLER $(OTHER_CFLAGS)
 
 SFLAGS_RELEASE =
 SFLAGS_DEVELOPMENT     =
+SFLAGS_KASAN = $(SFLAGS_DEVELOPMENT) -DKASAN=1
 SFLAGS_DEBUG   =
 SFLAGS_PROFILE =
 
 SFLAGS_X86_64  = $(CFLAGS_X86_64)
 SFLAGS_X86_64H = $(CFLAGS_X86_64H)
+SFLAGS_ARM     = $(CFLAGS_ARM)
+SFLAGS_ARM64   = $(CFLAGS_ARM64)
 
 SFLAGS = $(SFLAGS_GEN) \
                  $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
@@ -307,11 +413,7 @@ LDFLAGS_KERNEL_GEN = \
        -Wl,-sectalign,__TEXT,__text,0x1000 \
        -Wl,-sectalign,__DATA,__common,0x1000 \
        -Wl,-sectalign,__DATA,__bss,0x1000 \
-    -Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
-    -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_LINKEDIT",__data,/dev/null \
+       -Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
        -Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null \
        -Wl,-new_linker \
        -Wl,-pagezero_size,0x0 \
@@ -319,10 +421,12 @@ LDFLAGS_KERNEL_GEN = \
        -Wl,-function_starts \
        -Wl,-headerpad,152
 
-LDFLAGS_KERNEL_SDK     = -L$(SDKROOT)/usr/local/lib/kernel -lfirehose_kernel
+# LDFLAGS_KERNEL_SDK   = -L$(SDKROOT)/usr/local/lib/kernel -lfirehose_kernel
+LDFLAGS_KERNEL_SDK     = -L$(SDKROOT)/usr/local/lib/kernel
 
 LDFLAGS_KERNEL_RELEASE =
-LDFLAGS_KERNEL_DEVELOPMENT     =
+LDFLAGS_KERNEL_DEVELOPMENT     =
+LDFLAGS_KERNEL_KASAN = $(LDFLAGS_KERNEL_DEVELOPMENT)
 LDFLAGS_KERNEL_DEBUG   =
 LDFLAGS_KERNEL_PROFILE =
 
@@ -361,19 +465,128 @@ LDFLAGS_KERNEL_RELEASEX86_64 = \
        -Wl,-no_zero_fill_sections \
        $(LDFLAGS_NOSTRIP_FLAG)
 
+ifeq ($(SAN),1)
+LDFLAGS_KERNEL_RELEASEX86_64 += \
+       -Wl,-sectalign,__HIB,__cstring,0x1000
+endif
+
+ifeq ($(KASAN),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
+endif
+
 # Define KERNEL_BASE_OFFSET so known at compile time:
 CFLAGS_X86_64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 CFLAGS_X86_64H += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 
 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_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_PROFILEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 
+# We preload ___udivmoddi4 in order to work around an issue with building
+# LTO on armv7.
+LDFLAGS_KERNEL_GENARM = \
+       -Wl,-pie \
+       -Wl,-static \
+       -Wl,-image_base,0x80001000 \
+       -Wl,-sectalign,__DATA,__const,0x1000 \
+       -Wl,-u,___udivmoddi4
+
+LDFLAGS_KERNEL_RELEASEARM     = \
+       $(LDFLAGS_KERNEL_GENARM)
+
+LDFLAGS_KERNEL_EXPORTS_RELEASEARM     = \
+       -Wl,-exported_symbols_list,$(TARGET)/all-kpi.exp
+
+LDFLAGS_KERNEL_DEVELOPMENTARM     = \
+       $(LDFLAGS_KERNEL_GENARM) \
+       $(LDFLAGS_NOSTRIP_FLAG)
+
+LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM =
+
+LDFLAGS_KERNEL_DEBUGARM = $(LDFLAGS_KERNEL_DEVELOPMENTARM)
+LDFLAGS_KERNEL_EXPORTS_DEBUGARM = $(LDFLAGS_KERNEL_EXPORTS_DEVELOPMENTARM)
+
+# Offset image base by page to have iBoot load kernel TEXT correctly.
+# First page is used for various purposes : sleep token, reset vector.
+# We also need a 32MB offset, as this is the minimum block mapping size
+# for a 16KB page runtime, and we wish to use the first virtual block
+# to map the low globals page.  We also need another 4MB to account for
+# the address space reserved by L4 (because the reservation is not a
+# multiple of the block size in alignment/length, we will implictly map
+# it with our block mapping, and we therefore must reflect that the
+# first 4MB of the block mapping for xnu do not belong to xnu).
+# For the moment, kaliber has a unique memory layout (monitor at the top
+# of memory).  Support this by breaking 16KB on other platforms and
+# mandating 32MB alignment. Image base (i.e. __TEXT) must be 16KB
+# aligned since ld64 will link with 16KB alignment for ARM64.
+#
+# We currently offset by an additional 32MB in order to reclaim memory.
+# We need a dedicated virtual page for the low globals.  Our bootloader
+# may have a significant chunk of memory (up to an L2 entry in size)
+# that lies before the kernel.  The addition 32MB of virtual padding
+# ensures that we have enough virtual address space to map all of that
+# memory as part of the V-to-P mapping.
+# 23355738 - put __PRELINK_TEXT first. We reserve enough room
+# for 0x0000000003000000 = 48MB of kexts
+#
+# 0xfffffff000000000 (32MB range for low globals)
+# 0xfffffff002000000 (32MB range to allow for large page physical slide)
+# 0xfffffff004000000 (16KB range to reserve the first available page)
+# 0xfffffff004004000 (48MB range for kexts)
+# 0xfffffff007004000 (Start of xnu proper).
+LDFLAGS_KERNEL_GENARM64 = \
+       -Wl,-pie \
+       -Wl,-static \
+       -Wl,-segaddr,__PRELINK_TEXT,0xfffffff004004000 \
+       -Wl,-image_base,0xfffffff007004000 \
+       -Wl,-sectalign,__DATA,__const,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,__const,__DATA_CONST,__const \
+       -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_RELEASEARM64     = \
+       $(LDFLAGS_KERNEL_GENARM64) \
+       $(LDFLAGS_KERNEL_SEGARM64)
+
+LDFLAGS_KERNEL_EXPORTS_RELEASEARM64     = \
+       -Wl,-exported_symbols_list,$(TARGET)/all-kpi.exp
+
+LDFLAGS_KERNEL_DEVELOPMENTARM64     = \
+       $(LDFLAGS_KERNEL_GENARM64) \
+       $(LDFLAGS_KERNEL_SEGARM64) \
+       $(LDFLAGS_NOSTRIP_FLAG)
+
+LDFLAGS_KERNEL_EXPORTS_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 = $(LDFLAGS_KERNEL_GEN) \
                  $(LDFLAGS_KERNEL_SDK) \
@@ -383,10 +596,15 @@ LDFLAGS_KERNEL    = $(LDFLAGS_KERNEL_GEN) \
                  $($(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_)))
+
 #
 # Default runtime libraries to be linked with the kernel
 #
-LD_KERNEL_LIBS = -lcc_kext
+LD_KERNEL_LIBS    = -lcc_kext
+LD_KERNEL_ARCHIVES = $(LDFLAGS_KERNEL_SDK) -lfirehose_kernel
 
 #
 # DTrace support
@@ -457,6 +675,7 @@ endif
 LTO_ENABLED_RELEASE = 1
 LTO_ENABLED_DEVELOPMENT = 1
 LTO_ENABLED_DEBUG = 0
+LTO_ENABLED_KASAN = 0
 
 ifneq ($(BUILD_LTO),)
 USE_LTO = $(BUILD_LTO)
@@ -468,7 +687,7 @@ SUPPORTS_CTFCONVERT = 0
 ifeq ($(USE_LTO),1)
 CFLAGS_GEN     += -flto
 CXXFLAGS_GEN   += -flto
-LDFLAGS_KERNEL_GEN     += -Wl,-mllvm,-inline-threshold=125 -Wl,-object_path_lto,$(TARGET)/lto.o # -Wl,-mllvm -Wl,-disable-fp-elim
+LDFLAGS_KERNEL_GEN     += -Wl,-mllvm,-inline-threshold=100 -Wl,-object_path_lto,$(TARGET)/lto.o
 LDFLAGS_NOSTRIP_FLAG = -rdynamic
 CFLAGS_NOLTO_FLAG = -fno-lto
 NEEDS_CTF_MACHOS       = 1
@@ -497,6 +716,8 @@ endif
 #
 export VPATH = .:$(SOURCE)
 
+
+
 #
 # Macros that control installation of kernel and its header files
 #
@@ -535,10 +756,12 @@ XNU_PRIVATE_UNIFDEF = -UMACH_KERNEL_PRIVATE -UBSD_KERNEL_PRIVATE -UIOKIT_KERNEL_
 
 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__
 
 #
 # Compononent Header file destinations
@@ -550,6 +773,7 @@ EXPDIR = EXPORT_HDRS/$(COMPONENT)
 #
 STRIP_FLAGS_RELEASE    = -S -x
 STRIP_FLAGS_DEVELOPMENT        = -S
+STRIP_FLAGS_KASAN = $(STRIP_FLAGS_DEVELOPMENT)
 STRIP_FLAGS_DEBUG      = -S
 STRIP_FLAGS_PROFILE    = -S -x
 
@@ -562,6 +786,8 @@ DSYMUTIL_FLAGS_GEN  = --minimize
 
 DSYMUTIL_FLAGS_X86_64  = --arch=x86_64
 DSYMUTIL_FLAGS_X86_64H = --arch=x86_64h
+DSYMUTIL_FLAGS_ARM     = --arch=arm
+DSYMUTIL_FLAGS_ARM64   =
 
 DSYMUTIL_FLAGS = $(DSYMUTIL_FLAGS_GEN) \
        $($(addsuffix $(CURRENT_ARCH_CONFIG),DSYMUTIL_FLAGS_))
@@ -574,7 +800,7 @@ MANDIR = /usr/share/man
 #
 # DEBUG alias location
 #
-DEVELOPER_EXTRAS_DIR = /AppleInternal/CoreOS/xnu_debug
+DEVELOPER_EXTRAS_DIR = /AppleInternal/CoreOS/xnu_$(CURRENT_KERNEL_CONFIG_LC)
 
 #
 # mach_kernel install location
@@ -651,4 +877,8 @@ INSTALL_KERNEL_SYM_DIR := $(SYSTEM_LIBRARY_KERNELS_DIR)
 INSTALL_KERNEL_SYM_TO_KDK = $(if $(filter YES,$(DWARF_DSYM_FILE_SHOULD_ACCOMPANY_PRODUCT)),1,0)
 endif
 
+ifeq ($(RC_ProjectName),xnu_kasan)
+INSTALL_KASAN_ONLY = 1
+endif
+
 # vim: set ft=make: