# -*- mode: makefile;-*-
#
-# Copyright (C) 1999-2019 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_X86_64_MACHINE_CONFIGS = NONE
SUPPORTED_X86_64H_MACHINE_CONFIGS = NONE
-SUPPORTED_ARM_MACHINE_CONFIGS = S7002 T8002 T8004
+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
+endif
#
# Setup up *_LC variables during recursive invocations
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
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
-Weverything \
-Wno-pedantic \
$(WERROR) \
- -Wno-implicit-int-conversion \
- -Wno-sign-conversion \
- -Wno-shorten-64-to-32 \
-Wno-bad-function-cast \
-Wno-c++-compat \
-Wno-c++98-compat \
-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 = \
$(WARNFLAGS_STD)
ifneq ($(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 $(CURRENT_ARCH_CONFIG) | tr A-Z a-z)
+endif
endif
#
# This can have false negatives, and is used to avoid calling CTF when we'll build a static KC
#
ifndef WILL_BUILD_STATIC_KC
+ifneq ($(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
-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
+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
#
CFLAGS_ARM = -Darm -DARM -D__ARM__ -DPAGE_SIZE_FIXED \
-momit-leaf-frame-pointer -fno-strict-aliasing -D__API__=v4
-CFLAGS_ARM64 = -Darm64 -DARM64 -D__ARM64__ -DLP64 -DPAGE_SIZE_FIXED \
- -momit-leaf-frame-pointer -fno-strict-aliasing -D__API__=v4 -mkernel
+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 $(PLATFORM),MacOSX),)
+LARGE_MEMORY_DEFINE=-DARM_LARGE_MEMORY=1
+ARM64_PLKSEG_ADDR =0xfffffe0004004000
+ARM64_LINK_ADDR =0xfffffe0007004000
+endif
+
+
+CFLAGS_ARM64 = -Darm64 -DARM64 -D__ARM64__ -DLP64 -DPAGE_SIZE_FIXED -DVM_KERNEL_LINK_ADDRESS=$(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.
ifeq ($(KASAN),1)
SAN=1
-BUILD_LTO = 0
-KASAN_SHIFT_ARM64=0xe000000000000000
+BUILD_LTO=0
+
+# Shadow map scale size. With KASAN_SCALE=N, the shadow memory consumes 1/2^N of
+# the virtual address space.
+KASAN_SCALE=3
+
+KASAN_OFFSET_ARM64=0xe000000000000000
#
-# To calculate the kasan shift, subtract the lowest KVA to sanitize, shifted right by 3 bits,
+# To calculate the kasan offset, subtract the lowest KVA to sanitize, shifted right by 3 bits,
# from the base address of the kasan shadow area, (e.g. solve the following equation:
-# SHIFT = {VA mapped by the first KASAN PML4 [Currently #494]} - (LOWEST_KVA >> 3)
-# SHIFT = (0ULL - (512GiB * (512 - 494))) - (LOWEST_SAN_KVA >> 3)
-# SHIFT = FFFFF70000000000 - ((0ULL - (512GiB * (512 - 496))) >> 3) [PML4 #496 is the first possible KVA]
-# SHIFT = FFFFF70000000000 - (FFFFF80000000000 >> 3)
-# SHIFT = DFFFF80000000000
+# OFFSET = {VA mapped by the first KASAN PML4 [Currently #494]} - (LOWEST_KVA >> 3)
+# OFFSET = (0ULL - (512GiB * (512 - 494))) - (LOWEST_SAN_KVA >> 3)
+# OFFSET = FFFFF70000000000 - ((0ULL - (512GiB * (512 - 496))) >> 3) [PML4 #496 is the first possible KVA]
+# OFFSET = FFFFF70000000000 - (FFFFF80000000000 >> 3)
+# OFFSET = DFFFF80000000000
# ).
-KASAN_SHIFT_X86_64=0xdffff80000000000
-KASAN_SHIFT_X86_64H=$(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
#
# 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,-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)
$(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 \
$(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 $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_EXPORTS_))) \
- -Wl,-alias_list,$(TARGET)/all-alias.exp
-
+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,$(TARGET)/symbolsets.plist -Wl,-segprot,__LINKINFO,r--,r--
#
# Default runtime libraries to be linked with the kernel
ifndef DO_CTFMERGE
DO_CTFMERGE := 1
ifeq ($(CURRENT_KERNEL_CONFIG),RELEASE)
-ifneq ($(filter ARM%,$(CURRENT_ARCH_CONFIG)),)
+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
endif
+endif
endif # DO_CTFMERGE
#
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
#
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 = $(DRIVERKITSDKHEADERSROOT)/usr/local/include
#
# Overrides for XBS build aliases
#
-ifeq ($(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