]> git.saurik.com Git - apple/xnu.git/blobdiff - makedefs/MakeInc.def
xnu-2050.9.2.tar.gz
[apple/xnu.git] / makedefs / MakeInc.def
index 0366b6215a9786482964624710c221bb358dfc3e..4e49fe6a71320f217dd09f6f5d44c3d144ea392f 100644 (file)
@@ -1,4 +1,5 @@
 export SOURCE=$(shell /bin/pwd)
+export RELATIVE_SOURCE_PATH ?= .
 
 #
 # gnumake 3.77 support
@@ -25,11 +26,11 @@ export COMPONENT_LIST       = osfmk bsd libkern iokit pexpert libsa security
 export COMPONENT_LIST_UC := $(shell printf "%s" "$(COMPONENT_LIST)" | $(TR) a-z A-Z)
 endif
 ifndef COMPONENT
-export COMPONENT       := $(firstword $(subst /, ,$(shell $(RELPATH) $(SRCROOT) $(SOURCE))))
+export COMPONENT       := $(firstword $(subst /, ,$(RELATIVE_SOURCE_PATH)))
 export COMPONENT_IMPORT_LIST := $(filter-out $(COMPONENT),$(COMPONENT_LIST)) 
 else
 ifeq   ($(COMPONENT), .)
-export COMPONENT        := $(firstword $(subst /, ,$(shell $(RELPATH) $(SRCROOT) $(SOURCE))))
+export COMPONENT       := $(if $(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(firstword $(subst /, ,$(RELATIVE_SOURCE_PATH))))
 export COMPONENT_IMPORT_LIST := $(filter-out $(COMPONENT),$(COMPONENT_LIST)) 
 endif
 endif
@@ -37,14 +38,18 @@ endif
 # Architecture options
 #
 ifndef SUPPORTED_ARCH_CONFIGS
-export SUPPORTED_ARCH_CONFIGS = PPC I386 X86_64 ARM
+export SUPPORTED_ARCH_CONFIGS = I386 X86_64
 endif
 
 ifndef ARCH_CONFIGS
 ifdef RC_ARCHS
-export ARCH_CONFIGS    := $(shell printf "%s" "$(RC_ARCHS)" | $(TR) a-z A-Z)
+export ARCH_CONFIGS    := $(shell printf "%s" "$(RC_ARCHS)" | $(TR) a-z A-Z | sed -E 's/ARMV[0-9][A-Z]?/ARM/g')
 else
-export ARCH_CONFIGS    := $(shell arch | $(TR) a-z A-Z)
+ifeq ($(PLATFORM),iPhoneOS)
+       export ARCH_CONFIGS     := ARM
+else
+       export ARCH_CONFIGS     := $(shell arch | $(TR) a-z A-Z | sed -E 's/ARMV[0-9][A-Z]?/ARM/g')
+endif
 endif
 endif
 ifdef  ARCH_CONFIG
@@ -53,6 +58,16 @@ export ARCH_CONFIG_LC        := $(shell printf "%s" "$(ARCH_CONFIG)" | $(TR) A-Z a-z)
 endif
 endif
 
+#
+# Platform options
+#
+ifndef SUPPORTED_PLATFORMS
+export SUPPORTED_PLATFORMS = MacOSX iPhoneOS iPhoneSimulator
+endif
+
+# PLATFORM is set earlier in MakeInc.cmd, closer to where decisions about
+# platform tools are made
+
 #
 # Kernel Configuration options  
 #
@@ -94,6 +109,13 @@ export MACHINE_CONFIG       = DEFAULT
 endif
 
 
+#
+# Machine Configuration options  
+#
+export SUPPORTED_I386_MACHINE_CONFIGS := DEFAULT
+export SUPPORTED_X86_64_MACHINE_CONFIGS := DEFAULT
+
+
 #
 # Target configuration options.  NOTE - target configurations will 
 # override ARCH_CONFIGS and KERNEL_CONFIGS.
@@ -102,10 +124,10 @@ endif
 # kernel configuration, the second is the architecture configuration,
 # and the third is the machine configuration.  You may pass in as
 # many groups of configurations as you wish.  Each item passed in is
-# seperated by whitespace.
+# separated by whitespace.
 #
 # Example:
-#      TARGET_CONFIGS="release ppc default debug i386 default release arm MX31ADS"
+#      TARGET_CONFIGS="release x86_64 default debug i386 default release arm S5l8920X"
 # Parameters may be in upper or lower case (they are converted to upper).
 #
 # "default" parameter is a special case.  It means use the default value for 
@@ -113,10 +135,9 @@ endif
 #
 # default kernel configuration = DEFAULT_KERNEL_CONFIG
 # default architecture configuration = system architecture where you are running make.
-# default machine configuration for ppc = none at this time.
 # default machine configuration for i386 = none at this time.
 # default machine configuration for x86_64 = none at this time.
-# default machine configuration for arm = "S5L8900X".
+# default machine configuration for arm = "S5L8920X".
 #
 ifndef TARGET_CONFIGS_UC
 ifdef TARGET_CONFIGS
@@ -124,9 +145,17 @@ ifdef TARGET_CONFIGS
        export MACHINE_CONFIG   = $(word 3, $(TARGET_CONFIGS_UC))
        export DEFAULT_KERNEL_CONFIG = $(word 1, $(TARGET_CONFIGS_UC))
 else
-       # generate TARGET_CONFIGS using KERNEL_CONFIGS and ARCH_CONFIGS and MACHINE_CONFIG (which defaults to "DEFAULT")
-       temp_list = $(foreach my_kern_config, $(KERNEL_CONFIGS), $(my_kern_config) arch_slot $(MACHINE_CONFIG))
-       export TARGET_CONFIGS = $(strip $(foreach my_arch_config, $(ARCH_CONFIGS), $(subst arch_slot,$(my_arch_config),$(temp_list))))
+
+       ifneq ($(filter %_embedded,$(MAKECMDGOALS)),)
+# generate set of standard embedded configs
+               export TARGET_CONFIGS = $(TARGET_CONFIGS_EMBEDDED)
+       else ifneq ($(filter %_devicemap,$(MAKECMDGOALS)),)
+               DEVICEMAP_PLATFORMS = $(shell $(EMBEDDED_DEVICE_MAP) -query SELECT DISTINCT Platform FROM Targets | $(TR) [:lower:] [:upper:])
+               export TARGET_CONFIGS = $(foreach my_kernel_config,$(KERNEL_CONFIGS_EMBEDDED),$(foreach my_arch,$(ARCH_CONFIGS),$(foreach my_machine_config,$(filter $(DEVICEMAP_PLATFORMS),$(SUPPORTED_$(my_arch)_MACHINE_CONFIGS)),$(my_kernel_config) $(my_arch) $(my_machine_config) )))
+       else
+# generate TARGET_CONFIGS using KERNEL_CONFIGS and ARCH_CONFIGS and MACHINE_CONFIG (which defaults to "DEFAULT")
+               export TARGET_CONFIGS = $(strip $(foreach my_arch_config, $(ARCH_CONFIGS), $(foreach my_kern_config, $(KERNEL_CONFIGS), $(my_kern_config) $(my_arch_config) $(MACHINE_CONFIG))))
+       endif
        export TARGET_CONFIGS_UC := $(shell printf "%s" "$(TARGET_CONFIGS)" | $(TR) a-z A-Z)
        export MACHINE_CONFIG   = $(word 3, $(TARGET_CONFIGS_UC))
        export DEFAULT_KERNEL_CONFIG = $(word 1, $(TARGET_CONFIGS_UC))
@@ -136,24 +165,73 @@ endif
 export MACHINE_CONFIG_LC := $(shell printf "%s" "$(MACHINE_CONFIG)" | $(TR) A-Z a-z)
 export KERNEL_CONFIG_LC := $(shell printf "%s" "$(KERNEL_CONFIG)" | $(TR) A-Z a-z)
 
+#
+# Validate configuration options
+#
+ifneq ($(ARCH_CONFIG),)
+ifeq ($(filter $(ARCH_CONFIG),$(SUPPORTED_ARCH_CONFIGS)),)
+$(error Unsupported ARCH_CONFIG $(ARCH_CONFIG))
+endif
+endif
+
+ifneq ($(KERNEL_CONFIG),)
+ifeq ($(filter $(KERNEL_CONFIG),$(SUPPORTED_KERNEL_CONFIGS)),)
+$(error Unsupported KERNEL_CONFIG $(KERNEL_CONFIG))
+endif
+endif
+
+ifneq ($(MACHINE_CONFIG),)
+ifneq ($(ARCH_CONFIG),)
+ifeq ($(filter $(MACHINE_CONFIG),$(SUPPORTED_$(ARCH_CONFIG)_MACHINE_CONFIGS)),)
+$(error Unsupported MACHINE_CONFIG $(MACHINE_CONFIG))
+endif
+endif
+endif
+
+ifneq ($(PLATFORM),)
+ifeq ($(filter $(PLATFORM),$(SUPPORTED_PLATFORMS)),)
+$(error Unsupported PLATFORM $(PLATFORM))
+endif
+endif
+
 #
 # Kernel Configuration to install
 #
-#  supported install architecture : PPC I386 X86_64 ARM
+#  supported install architecture : I386 X86_64 
 #
 export INSTALL_TYPE    = $(DEFAULT_KERNEL_CONFIG)
 
 ifndef INSTALL_ARCHS
-export INSTALL_ARCHS   = $(strip $(foreach my_config, $(SUPPORTED_ARCH_CONFIGS), $(findstring $(my_config), $(TARGET_CONFIGS_UC))))
+export INSTALL_ARCHS   = $(strip $(foreach my_config, $(SUPPORTED_ARCH_CONFIGS), $(filter $(TARGET_CONFIGS_UC),$(my_config))))
 export INSTALL_ARCHS_LC := $(shell printf "%s" "$(INSTALL_ARCHS)" | $(TR) A-Z a-z)
 endif
 
 export INSTALL_ARCH_DEFAULT    = $(firstword $(INSTALL_ARCHS))
+ifeq ($(INSTALL_ARCH_DEFAULT),)
+$(error Could not determine INSTALL_ARCH_DEFAULT)
+endif
+
+#
+# Deployment target flag
+#
+ifndef DEPLOYMENT_TARGET_FLAGS
+SDKVERSION=$(shell xcodebuild -sdk $(SDKROOT) -version SDKVersion | head -1)
+ifeq ($(PLATFORM),MacOSX)
+    export DEPLOYMENT_TARGET_FLAGS := -mmacosx-version-min=$(SDKVERSION)
+else ifeq ($(PLATFORM),iPhoneOS)
+    export DEPLOYMENT_TARGET_FLAGS := -miphoneos-version-min=$(SDKVERSION)
+else ifeq ($(PLATFORM),iPhoneSimulator)
+    export DEPLOYMENT_TARGET_FLAGS := 
+else
+    export DEPLOYMENT_TARGET_FLAGS := 
+endif
+endif
 
 #
 # Standard defines list
 #
-export DEFINES = -DAPPLE -DKERNEL -DKERNEL_PRIVATE -DXNU_KERNEL_PRIVATE -DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile $(IDENT)
+export DEFINES = -DAPPLE -DKERNEL -DKERNEL_PRIVATE -DXNU_KERNEL_PRIVATE \
+       -DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile $(IDENT)
 
 #
 # Compiler command
@@ -166,20 +244,35 @@ KC++ := $(CXX)
 #
 
 CWARNFLAGS_STD = \
-       -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes \
-       -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch \
-       -Wshadow -Wcast-align -Wchar-subscripts -Winline \
-       -Wnested-externs -Wredundant-decls
+       -Wall -Werror -Wno-format-y2k -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
 
+# Certain warnings are non-fatal (8474835)
+CWARNFLAGS_STD += -Wno-error=cast-align
+
+# Can be overridden in Makefile.template or Makefile.$arch
 export CWARNFLAGS ?= $(CWARNFLAGS_STD)
 
+define add_perfile_cflags
+$(1)_CWARNFLAGS_ADD += $2
+endef
+
 CXXWARNFLAGS_STD = \
-       -Wall -Wno-format-y2k -W \
-       -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch \
-       -Wcast-align -Wchar-subscripts -Wredundant-decls
+       -Wall -Werror -Wno-format-y2k -Wextra -Wpointer-arith -Wreturn-type \
+       -Wcast-qual -Wwrite-strings -Wswitch -Wcast-align -Wchar-subscripts \
+       -Wredundant-decls -Wextra-tokens
 
+# Certain warnings are non-fatal (8474835, 9000888)
+CXXWARNFLAGS_STD += -Wno-error=cast-align -Wno-error=overloaded-virtual
+
+# Can be overridden in Makefile.template or Makefile.$arch
 export CXXWARNFLAGS ?= $(CXXWARNFLAGS_STD)
 
+define add_perfile_cxxflags
+$(1)_CXXWARNFLAGS_ADD += $2
+endef
 
 #
 # Setup for parallel sub-makes based on 2 times number of logical CPUs
@@ -191,15 +284,8 @@ endif
 #
 # Default ARCH_FLAGS, for use with compiler/linker/assembler/mig drivers
 
-ARCH_FLAGS_PPC           = -arch ppc
 ARCH_FLAGS_I386                  = -arch i386
 ARCH_FLAGS_X86_64        = -arch x86_64
-ARCH_FLAGS_ARM           = $($(addsuffix $(MACHINE_CONFIG),ARCH_FLAGS_ARM_))
-
-ARCH_FLAGS_ALL_PPC             = $(ARCH_FLAGS_PPC)
-ARCH_FLAGS_ALL_I386            = $(ARCH_FLAGS_I386)
-ARCH_FLAGS_ALL_X86_64          = $(ARCH_FLAGS_X86_64)
-ARCH_FLAGS_ALL_ARM             = -arch arm
 
 
 #
@@ -209,15 +295,16 @@ ifdef RC_CFLAGS
 export OTHER_CFLAGS    = $(subst $(addprefix -arch ,$(RC_ARCHS)),,$(RC_CFLAGS))
 endif
 
+export DSYMRESDIR   = ./Contents/Resources/
 export DSYMBUILDDIR = ./Contents/Resources/DWARF/
 
 #
 # We must not use -fno-keep-inline-functions, or it will remove the dtrace
 # probes from the kernel.
 #
-export CFLAGS_GEN = -static $(DEBUG_CFLAGS) -nostdinc -nostdlib \
-       -fno-builtin -finline -fno-common -msoft-float \
-       -fsigned-bitfields -fno-stack-protector $(OTHER_CFLAGS)
+export CFLAGS_GEN = $(DEBUG_CFLAGS) -nostdinc \
+       -freorder-blocks -fno-builtin -fno-common \
+       -fsigned-bitfields $(OTHER_CFLAGS)
 
 ifeq ($(BUILD_STABS),1)
 export CFLAGS_GEN += -gstabs+
@@ -231,17 +318,16 @@ endif
 
 export CFLAGS_RELEASE  = 
 export CFLAGS_DEVELOPMENT      =
-export CFLAGS_DEBUG    = 
-export CFLAGS_PROFILE  =  -pg
+export CFLAGS_DEBUG    = -fstack-protector-all
+export CFLAGS_PROFILE  = -pg
 
-export CFLAGS_PPC      = -Dppc -DPPC -D__PPC__ -DPAGE_SIZE_FIXED \
-                               -mno-altivec -force_cpusubtype_ALL
-export CFLAGS_I386     = -Di386 -DI386 -D__I386__ \
-                               -DPAGE_SIZE_FIXED -force_cpusubtype_ALL
+export CFLAGS_I386     = -static -Di386 -DI386 -D__I386__ \
+                               -DPAGE_SIZE_FIXED -msoft-float \
+                               -integrated-as
 export CFLAGS_X86_64   = -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
-                               -DPAGE_SIZE_FIXED -mkernel
-export CFLAGS_ARM      = -Darm -DARM -D__ARM__ -DPAGE_SIZE_FIXED \
-                               -fno-strict-aliasing -fno-keep-inline-functions
+                               -DPAGE_SIZE_FIXED -mkernel -msoft-float \
+                               -integrated-as
+
 
 ifeq (-arch armv7,$(ARCH_FLAGS_ARM))
 CFLAGS_ARM             += -mthumb
@@ -249,32 +335,22 @@ endif
 ifeq (-arch armv6,$(ARCH_FLAGS_ARM))
 CFLAGS_ARM             += -mthumb
 endif
-ifeq (-arch armv5,$(ARCH_FLAGS_ARM))
-CFLAGS_ARM             += -mthumb
-endif
-ifeq (-arch xscale,$(ARCH_FLAGS_ARM))
-CFLAGS_ARM             += -mthumb
-endif
 
-export CFLAGS_RELEASEPPC = -O2 -mcpu=750 -mmultiple
-export CFLAGS_DEVELOPMENTPPC = -O2 -mcpu=750 -mmultiple
-export CFLAGS_DEBUGPPC = -O2 -mcpu=750 -mmultiple
-export CFLAGS_PROFILEPPC = -O2 -mcpu=750 -mmultiple
 
-export CFLAGS_RELEASEI386 = -Os
-export CFLAGS_DEVELOPMENTI386 = -Os
-export CFLAGS_DEBUGI386 = -Os
-export CFLAGS_PROFILEI386 = -Os
+export CFLAGS_RELEASEI386 = -O2
+export CFLAGS_DEVELOPMENTI386 = -O2
+export CFLAGS_DEBUGI386 = -O0
+export CFLAGS_PROFILEI386 = -O2
 
-export CFLAGS_RELEASEX86_64 = -Os
-export CFLAGS_DEVELOPMENTX86_64 = -Os
+export CFLAGS_RELEASEX86_64 = -O2
+export CFLAGS_DEVELOPMENTX86_64 = -O2
 # No space optimization for the DEBUG kernel for the benefit of gdb:
 export CFLAGS_DEBUGX86_64 = -O0
-export CFLAGS_PROFILEX86_64 = -Os
+export CFLAGS_PROFILEX86_64 = -O2
 
 export CFLAGS_RELEASEARM = -O2
 export CFLAGS_DEVELOPMENTARM = -O2
-export CFLAGS_DEBUGARM = -O2
+export CFLAGS_DEBUGARM = -O0
 export CFLAGS_PROFILEARM = -O2
 
 export CFLAGS  = $(CFLAGS_GEN) \
@@ -283,11 +359,16 @@ export CFLAGS     = $(CFLAGS_GEN) \
                  $($(addsuffix $(ARCH_CONFIG),CFLAGS_)) \
                  $($(addsuffix $(KERNEL_CONFIG),CFLAGS_)) \
                  $($(addsuffix $(ARCH_CONFIG), $(addsuffix $(KERNEL_CONFIG),CFLAGS_))) \
+                 $(DEPLOYMENT_TARGET_FLAGS) \
                  $(DEFINES)
 
+#
 # Default C++ flags
 #
-CXXFLAGS_GEN  = -fno-rtti -fno-exceptions -fcheck-new -fapple-kext
+
+OTHER_CXXFLAGS =
+
+CXXFLAGS_GEN  = -fapple-kext $(OTHER_CXXFLAGS)
 
 CXXFLAGS      = $(CXXFLAGS_GEN) \
                  $($(addsuffix $(ARCH_CONFIG),CXXFLAGS_)) \
@@ -302,25 +383,26 @@ S_KCC     = $(CC)
 #
 # Default SFLAGS
 #
-export SFLAGS_GEN = -static -D__ASSEMBLER__ $(OTHER_CFLAGS)
+export SFLAGS_GEN = -D__ASSEMBLER__ $(OTHER_CFLAGS)
 
 export SFLAGS_RELEASE  = 
 export SFLAGS_DEVELOPMENT      = 
 export SFLAGS_DEBUG    = 
 export SFLAGS_PROFILE  = 
 
-export SFLAGS_PPC      = $(CFLAGS_PPC) -force_cpusubtype_ALL
 export SFLAGS_I386     = $(CFLAGS_I386)
-export SFLAGS_ARM      = $(CFLAGS_ARM)
 export SFLAGS_X86_64   = $(CFLAGS_X86_64)
 
+
 export SFLAGS  = $(SFLAGS_GEN) \
                  $($(addsuffix $(MACHINE_CONFIG),MACHINE_FLAGS_)) \
                  $($(addsuffix $(ARCH_CONFIG),ARCH_FLAGS_)) \
                  $($(addsuffix $(ARCH_CONFIG),SFLAGS_)) \
                  $($(addsuffix $(KERNEL_CONFIG),SFLAGS_)) \
+                 $(DEPLOYMENT_TARGET_FLAGS) \
                  $(DEFINES)
 
+
 #
 # Linker command
 #
@@ -329,23 +411,29 @@ LD        = $(KC++) -nostdlib
 #
 # Default LDFLAGS
 #
-
 export LDFLAGS_KERNEL_GEN = \
-       -static \
+       -nostdlib \
        -fapple-kext \
        -Wl,-e,__start \
        -Wl,-sectalign,__TEXT,__text,0x1000 \
+       -Wl,-sectalign,__TEXT,initcode,0x1000 \
        -Wl,-sectalign,__DATA,__common,0x1000 \
        -Wl,-sectalign,__DATA,__bss,0x1000 \
        -Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
        -Wl,-sectcreate,__PRELINK_STATE,__kernel,/dev/null \
         -Wl,-sectcreate,__PRELINK_STATE,__kexts,/dev/null \
-       -Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null
+       -Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null \
+       -Wl,-new_linker \
+       -Wl,-pagezero_size,0x0 \
+       -Wl,-version_load_command \
+       -Wl,-function_starts
 
-# Availability of DWARF allows DTrace CTF (compressed type format) to be constructed
+# Availability of DWARF allows DTrace CTF (compressed type format) to be constructed.
+# ctf_insert creates the CTF section.  It needs reserved padding in the
+# headers for the load command segment and the CTF section structures.
 ifeq ($(BUILD_DWARF),1)
 export LDFLAGS_KERNEL_GEN += \
-    -Wl,-sectcreate,__CTF,__ctf,/dev/null
+    -Wl,-headerpad,152
 endif
 
 export LDFLAGS_KERNEL_RELEASE  =
@@ -353,17 +441,7 @@ export LDFLAGS_KERNEL_DEVELOPMENT  =
 export LDFLAGS_KERNEL_DEBUG    = 
 export LDFLAGS_KERNEL_PROFILE  = 
 
-export LDFLAGS_KERNEL_PPC      = \
-       -force_cpusubtype_ALL \
-       -Wl,-new_linker \
-       -Wl,-pagezero_size,0x0 \
-       -Wl,-segaddr,__VECTORS,0x0 \
-       -Wl,-segaddr,__HIB,0x7000  \
-       -Wl,-segaddr,__TEXT,0xe000
 export LDFLAGS_KERNEL_RELEASEI386     = \
-       -Wl,-new_linker \
-       -Wl,-pagezero_size,0x0 \
        -Wl,-segaddr,__INITPT,0x00100000 \
        -Wl,-segaddr,__INITGDT,0x00106000 \
        -Wl,-segaddr,__SLEEP,0x00107000 \
@@ -375,27 +453,58 @@ export LDFLAGS_KERNEL_DEBUGI386 = $(LDFLAGS_KERNEL_RELEASEI386)
 export LDFLAGS_KERNEL_DEVELOPMENTI386 = $(LDFLAGS_KERNEL_RELEASEI386)
 export LDFLAGS_KERNEL_PROFILEI386 = $(LDFLAGS_KERNEL_RELEASEI386)
 
-# Keep these constants in sync with the *_SEG_BASE definitions in i386/pmap.h
-export LDFLAGS_KERNEL_RELEASEX86_64   = \
-       -Wl,-new_linker \
-       -Wl,-pagezero_size,0x0 \
-       -Wl,-segaddr,__INITPT,0xffffff8000100000 \
-       -Wl,-segaddr,__INITGDT,0xffffff8000106000 \
-       -Wl,-segaddr,__SLEEP,0xffffff8000107000 \
-       -Wl,-segaddr,__HIB,0xffffff8000108000 \
-       -Wl,-image_base,0xffffff8000200000 \
-       -Wl,-seg_page_size,__TEXT,0x200000
+# KASLR static slide config:
+ifndef SLIDE
+SLIDE=0x00
+endif
+KERNEL_MIN_ADDRESS      := 0xffffff8000000000
+KERNEL_BASE_OFFSET      := 0x100000
+KERNEL_STATIC_SLIDE     := $(shell printf "0x%016x" \
+                          $$[ $(SLIDE) << 21 ])
+KERNEL_STATIC_BASE      := $(shell printf "0x%016x" \
+                          $$[ $(KERNEL_MIN_ADDRESS) + $(KERNEL_BASE_OFFSET) ])
+KERNEL_HIB_SECTION_BASE := $(shell printf "0x%016x" \
+                          $$[ $(KERNEL_STATIC_BASE) + $(KERNEL_STATIC_SLIDE) ])
+KERNEL_TEXT_BASE        := $(shell printf "0x%016x" \
+                          $$[ $(KERNEL_HIB_SECTION_BASE) + 0x100000 ])
+
+export LDFLAGS_KERNEL_RELEASEX86_64 = \
+       -Wl,-pie \
+       -Wl,-segaddr,__HIB,$(KERNEL_HIB_SECTION_BASE) \
+       -Wl,-image_base,$(KERNEL_TEXT_BASE) \
+       -Wl,-seg_page_size,__TEXT,0x200000 \
+       -Wl,-sectalign,__DATA,__const,0x1000 \
+       -Wl,-sectalign,__DATA,__sysctl_set,0x1000 \
+       -Wl,-sectalign,__HIB,__bootPT,0x1000 \
+       -Wl,-sectalign,__HIB,__desc,0x1000 \
+       -Wl,-sectalign,__HIB,__data,0x1000 \
+       -Wl,-sectalign,__HIB,__text,0x1000 \
+       -Wl,-sectalign,__HIB,__const,0x1000 \
+       -Wl,-sectalign,__HIB,__bss,0x1000 \
+       -Wl,-sectalign,__HIB,__common,0x1000 \
+
+# Define KERNEL_BASE_OFFSET so known at compile time:
+export CFLAGS_X86_64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 
 export LDFLAGS_KERNEL_DEBUGX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 export LDFLAGS_KERNEL_DEVELOPMENTX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 export LDFLAGS_KERNEL_PROFILEX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 
-export LDFLAGS_KERNEL_ARM     = \
-       -Wl,-new_linker \
-       -Wl,-pagezero_size,0x0 \
-       -Wl,-segaddr,__HIB,0xC0000000 \
-       -Wl,-image_base,0xC0008000
+export LDFLAGS_KERNEL_RELEASEARM     = \
+       -Wl,-pie \
+       -Wl,-static \
+       -Wl,-image_base,0x80001000 \
+       -Wl,-exported_symbols_list,$(TARGET)/kernel-kpi.exp
+
+export LDFLAGS_KERNEL_DEVELOPMENTARM     = \
+       -Wl,-pie \
+       -Wl,-static \
+       -Wl,-image_base,0x80001000
 
+export LDFLAGS_KERNEL_DEBUGARM = $(LDFLAGS_KERNEL_DEVELOPMENTARM)
+
+# Offset image base by page to have iBoot load kernel TEXT correctly.
+# First page is used for various purposes : sleep token, reset vector.
 
 export LDFLAGS_KERNEL  = $(LDFLAGS_KERNEL_GEN) \
                  $($(addsuffix $(MACHINE_CONFIG),MACHINE_FLAGS_)) \
@@ -403,18 +512,13 @@ export LDFLAGS_KERNEL     = $(LDFLAGS_KERNEL_GEN) \
                  $($(addsuffix $(ARCH_CONFIG),LDFLAGS_KERNEL_)) \
                  $($(addsuffix $(KERNEL_CONFIG),LDFLAGS_KERNEL_)) \
                  $($(addsuffix $(ARCH_CONFIG), $(addsuffix $(KERNEL_CONFIG),LDFLAGS_KERNEL_))) \
-
+                 $(DEPLOYMENT_TARGET_FLAGS)
 
 #
 # Default runtime libraries to be linked with the kernel
 #
 export LD_KERNEL_LIBS  = -lcc_kext
 
-#
-# Command to generate host binaries. Intentionally not
-# $(CC), which controls the target compiler
-#
-HOST_CC                        = cc
 
 #
 # Default INCFLAGS
@@ -430,7 +534,40 @@ export INCFLAGS    = $(INCFLAGS_LOCAL) $(INCFLAGS_GEN) $(INCFLAGS_IMPORT) $(INCFLA
 #
 # Default MIGFLAGS
 #
-export MIGFLAGS        = $(DEFINES) $(INCFLAGS) $($(addsuffix $(ARCH_CONFIG),CFLAGS_)) $($(addsuffix $(ARCH_CONFIG),ARCH_FLAGS_))
+export MIGFLAGS        = $(DEFINES) $(INCFLAGS) $($(addsuffix $(ARCH_CONFIG),CFLAGS_)) \
+                         $($(addsuffix $(ARCH_CONFIG),ARCH_FLAGS_)) \
+                         $(DEPLOYMENT_TARGET_FLAGS)
+
+#
+# Support for LLVM Link Time Optimization (LTO)
+#
+
+ifeq ($(BUILD_LTO),1)
+export CFLAGS_GEN      += -flto
+export CXXFLAGS_GEN    += -flto
+export LDFLAGS_KERNEL_GEN      += -Wl,-object_path_lto,$(TARGET)/lto.o
+export CFLAGS_NOLTO_FLAG = -fno-lto
+export BUILD_MACHO_OBJ = 0
+export BUILD_LTO       = 1
+else
+export CFLAGS_NOLTO_FLAG =
+export BUILD_MACHO_OBJ = 1
+export BUILD_LTO       = 0
+endif
+
+#
+# Support for LLVM Integrated Assembler with clang driver
+#
+ifeq ($(BUILD_INTEGRATED_ASSEMBLER),1)
+export SFLAGS_GEN      += -integrated-as
+export CFLAGS_GEN      += -integrated-as
+export CXXFLAGS_GEN    += -integrated-as
+export SFLAGS_NOINTEGRATEDAS_FLAGS     = -no-integrated-as
+export CFLAGS_NOINTEGRATEDAS_FLAGS     = -no-integrated-as
+else
+export SFLAGS_NOINTEGRATEDAS_FLAGS     =
+export CFLAGS_NOINTEGRATEDAS_FLAGS     =
+endif
 
 #
 # Default VPATH
@@ -455,12 +592,25 @@ DATA_INSTALL_FLAGS = -c -m 0644
 #
 # Header file destinations
 #
-FRAMEDIR = System/Library/Frameworks
+ifeq ($(RC_ProjectName),xnu_headers_Sim)
+       HEADER_INSTALL_PREFIX = $(SDKROOT)
+else
+       HEADER_INSTALL_PREFIX = 
+endif
+
+FRAMEDIR = $(HEADER_INSTALL_PREFIX)/System/Library/Frameworks
+
+SINCVERS = B
+SINCFRAME = $(FRAMEDIR)/System.framework
+SINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Headers
+SPINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/PrivateHeaders
+SRESDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Resources
+
 ifndef INCDIR
-    INCDIR = /usr/include
+    INCDIR = $(HEADER_INSTALL_PREFIX)/usr/include
 endif
 ifndef LCLDIR
-    LCLDIR = $(FRAMEDIR)/System.framework/Versions/B/PrivateHeaders
+    LCLDIR = $(SPINCDIR)
 endif
 
 KINCVERS = A
@@ -471,14 +621,16 @@ KRESDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Resources
 
 XNU_PRIVATE_UNIFDEF = -UMACH_KERNEL_PRIVATE -UBSD_KERNEL_PRIVATE -UIOKIT_KERNEL_PRIVATE -ULIBKERN_KERNEL_PRIVATE -ULIBSA_KERNEL_PRIVATE -UPEXPERT_KERNEL_PRIVATE -UXNU_KERNEL_PRIVATE
 
-SPINCFRAME_UNIFDEF = $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -U_OPEN_SOURCE_
-SINCFRAME_UNIFDEF  = $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -D_OPEN_SOURCE_
-KPINCFRAME_UNIFDEF = $(XNU_PRIVATE_UNIFDEF) -DKERNEL_PRIVATE -DPRIVATE -DKERNEL -U_OPEN_SOURCE_
-KINCFRAME_UNIFDEF  = $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UPRIVATE -DKERNEL -D_OPEN_SOURCE_
+PLATFORM_UNIFDEF = $(foreach x,$(SUPPORTED_PLATFORMS),$(if $(filter $(PLATFORM),$(x)),-DPLATFORM_$(x),-UPLATFORM_$(x)))
+
+SPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -U_OPEN_SOURCE_
+SINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -D_OPEN_SOURCE_
+KPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) -DKERNEL_PRIVATE -DPRIVATE -DKERNEL -U_OPEN_SOURCE_
+KINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) -UKERNEL_PRIVATE -UPRIVATE -DKERNEL -D_OPEN_SOURCE_
 
 
 #
-# Compononent Header file destinations
+# Component Header file destinations
 #
 EXPDIR = EXPORT_HDRS/$(COMPONENT)
 
@@ -497,8 +649,6 @@ export STRIP_FLAGS  = $($(addsuffix $(KERNEL_CONFIG),STRIP_FLAGS_))
 #
 export DSYMUTIL_FLAGS_I386 = --arch=i386
 export DSYMUTIL_FLAGS_X86_64 = --arch=x86_64
-export DSYMUTIL_FLAGS_PPC = --arch=ppc
-export DSYMUTIL_FLAGS_ARM = --arch=arm
 
 export DSYMUTIL_FLAGS = $($(addsuffix $(ARCH_CONFIG),DSYMUTIL_FLAGS_))