1# -*- mode: makefile;-*-
2#
3# Copyright (C) 1999-2012 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#
12SUPPORTED_ARCH_CONFIGS := X86_64
13
14#
15# Kernel Configuration options  
16#
17SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE
18
19#
20# Machine Configuration options  
21#
22
23SUPPORTED_X86_64_MACHINE_CONFIGS = NONE
24
25
26#
27# Platform options
28#
29SUPPORTED_PLATFORMS = MacOSX iPhoneOS iPhoneSimulator
30
31#
32# Setup up *_LC variables during recursive invocations
33#
34
35ifndef CURRENT_ARCH_CONFIG_LC
36	export CURRENT_ARCH_CONFIG_LC 	:= $(shell printf "%s" "$(CURRENT_ARCH_CONFIG)" | $(TR) A-Z a-z)
37endif
38
39ifndef CURRENT_KERNEL_CONFIG_LC
40	export CURRENT_KERNEL_CONFIG_LC := $(shell printf "%s" "$(CURRENT_KERNEL_CONFIG)" | $(TR) A-Z a-z)
41endif
42
43ifndef CURRENT_MACHINE_CONFIG_LC
44	export CURRENT_MACHINE_CONFIG_LC := $(shell printf "%s" "$(CURRENT_MACHINE_CONFIG)" | $(TR) A-Z a-z)
45endif
46
47
48#
49# Component List
50#
51COMPONENT_LIST 	= osfmk bsd libkern iokit pexpert libsa security
52COMPONENT 	= $(if $(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(word 2,$(subst /, ,$(RELATIVE_SOURCE_PATH))),$(firstword $(subst /, ,$(RELATIVE_SOURCE_PATH))))
53COMPONENT_IMPORT_LIST = $(filter-out $(COMPONENT),$(COMPONENT_LIST)) 
54
55
56#
57# Deployment target flag
58#
59ifeq ($(PLATFORM),MacOSX)
60    DEPLOYMENT_TARGET_FLAGS = -mmacosx-version-min=$(SDKVERSION)
61else ifeq ($(PLATFORM),iPhoneOS)
62    DEPLOYMENT_TARGET_FLAGS = -miphoneos-version-min=$(SDKVERSION)
63else ifeq ($(PLATFORM),iPhoneSimulator)
64    DEPLOYMENT_TARGET_FLAGS =
65else
66    DEPLOYMENT_TARGET_FLAGS =
67endif
68
69
70#
71# Standard defines list
72#
73DEFINES = -DAPPLE -DKERNEL -DKERNEL_PRIVATE -DXNU_KERNEL_PRIVATE \
74	-DPRIVATE -D__MACHO__=1 -Dvolatile=__volatile $(IDENT) \
75	$(SEED_DEFINES)
76
77#
78# Compiler command
79#
80KCC  = $(CC)
81KC++ = $(CXX)
82
83#
84# Compiler warning flags
85#
86
87CWARNFLAGS_STD = \
88	-Wall -Werror -Wno-format-y2k -Wextra -Wstrict-prototypes \
89	-Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual \
90	-Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wchar-subscripts \
91	-Winline -Wnested-externs -Wredundant-decls -Wextra-tokens
92
93# Can be overridden in Makefile.template or Makefile.$arch
94export CWARNFLAGS ?= $(CWARNFLAGS_STD)
95
96define add_perfile_cflags
97$(1)_CWARNFLAGS_ADD += $2
98endef
99
100CXXWARNFLAGS_STD = \
101	-Wall -Werror -Wno-format-y2k -Wextra -Wpointer-arith -Wreturn-type \
102	-Wcast-qual -Wwrite-strings -Wswitch -Wcast-align -Wchar-subscripts \
103	-Wredundant-decls -Wextra-tokens
104
105# overloaded-virtual warnings are non-fatal (9000888)
106CXXWARNFLAGS_STD += -Wno-error=overloaded-virtual
107
108# Can be overridden in Makefile.template or Makefile.$arch
109export CXXWARNFLAGS ?= $(CXXWARNFLAGS_STD)
110
111define add_perfile_cxxflags
112$(1)_CXXWARNFLAGS_ADD += $2
113endef
114
115#
116# Default ARCH_FLAGS, for use with compiler/linker/assembler/mig drivers
117
118ARCH_FLAGS_X86_64	  = -arch x86_64
119
120
121#
122# Default CFLAGS
123#
124ifdef RC_CFLAGS
125OTHER_CFLAGS	= $(subst $(addprefix -arch ,$(RC_ARCHS)),,$(RC_CFLAGS))
126endif
127
128#
129# Debug info
130#
131DSYMKERNELSYSDIR = mach_kernel.sys.dSYM
132DSYMINFODIR	= Contents
133DSYMKGMACROSDIR	= Contents/Resources
134DSYMLLDBMACROSDIR = Contents/Resources/Python
135DSYMDWARFDIR	= Contents/Resources/DWARF
136
137DEBUG_CFLAGS := -gdwarf-2
138BUILD_DSYM := 1
139
140#
141# We must not use -fno-keep-inline-functions, or it will remove the dtrace
142# probes from the kernel.
143#
144CFLAGS_GEN = $(DEBUG_CFLAGS) -nostdinc \
145	-freorder-blocks -fno-builtin -fno-common \
146	-fsigned-bitfields $(OTHER_CFLAGS)
147
148CFLAGS_RELEASE 	= 
149CFLAGS_DEVELOPMENT 	=
150CFLAGS_DEBUG 	= 
151CFLAGS_PROFILE 	=  -pg
152
153CFLAGS_X86_64	= -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
154				-DPAGE_SIZE_FIXED -mkernel -msoft-float \
155				-fno-limit-debug-info # Workaround for 11076603
156
157
158CFLAGS_RELEASEX86_64 = -O2
159CFLAGS_DEVELOPMENTX86_64 = -O2
160# No space optimization for the DEBUG kernel for the benefit of gdb:
161CFLAGS_DEBUGX86_64 = -O0
162CFLAGS_PROFILEX86_64 = -O2
163
164CFLAGS_RELEASEARM = -O2
165CFLAGS_DEVELOPMENTARM = -O2
166CFLAGS_DEBUGARM = -O0
167CFLAGS_PROFILEARM = -O2
168
169CFLAGS 	= $(CFLAGS_GEN) \
170		  $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
171		  $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
172		  $($(addsuffix $(CURRENT_ARCH_CONFIG),CFLAGS_)) \
173		  $($(addsuffix $(CURRENT_KERNEL_CONFIG),CFLAGS_)) \
174		  $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),CFLAGS_))) \
175		  $(DEPLOYMENT_TARGET_FLAGS) \
176		  $(DEFINES)
177
178#
179# Default C++ flags
180#
181
182OTHER_CXXFLAGS	=
183
184CXXFLAGS_GEN  = -fapple-kext $(OTHER_CXXFLAGS)
185
186# For the moment, do not use gnu++11
187#CXXFLAGS_ARM = -std=gnu++11
188
189CXXFLAGS      = $(CXXFLAGS_GEN) \
190		  $($(addsuffix $(CURRENT_ARCH_CONFIG),CXXFLAGS_)) \
191		  $($(addsuffix $(CURRENT_KERNEL_CONFIG),CXXFLAGS_))
192
193
194#
195# Assembler command
196#
197AS	= $(CC)
198S_KCC	= $(CC)
199
200#
201# Default SFLAGS
202#
203SFLAGS_GEN = -D__ASSEMBLER__ $(OTHER_CFLAGS)
204
205SFLAGS_RELEASE 	= 
206SFLAGS_DEVELOPMENT 	= 
207SFLAGS_DEBUG 	= 
208SFLAGS_PROFILE 	= 
209
210SFLAGS_X86_64 	= $(CFLAGS_X86_64)
211
212SFLAGS 	= $(SFLAGS_GEN) \
213		  $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
214		  $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
215		  $($(addsuffix $(CURRENT_ARCH_CONFIG),SFLAGS_)) \
216		  $($(addsuffix $(CURRENT_KERNEL_CONFIG),SFLAGS_)) \
217		  $(DEPLOYMENT_TARGET_FLAGS) \
218		  $(DEFINES)
219
220#
221# Linker command
222#
223LD	= $(KC++) -nostdlib
224
225#
226# Default LDFLAGS
227#
228# Availability of DWARF allows DTrace CTF (compressed type format) to be constructed.
229# ctf_insert creates the CTF section.  It needs reserved padding in the
230# headers for the load command segment and the CTF section structures.
231#
232LDFLAGS_KERNEL_GEN = \
233	-nostdlib \
234	-fapple-kext \
235	-Wl,-e,__start \
236	-Wl,-sectalign,__TEXT,__text,0x1000 \
237	-Wl,-sectalign,__DATA,__common,0x1000 \
238	-Wl,-sectalign,__DATA,__bss,0x1000 \
239	-Wl,-sectcreate,__PRELINK_TEXT,__text,/dev/null \
240	-Wl,-sectcreate,__PRELINK_STATE,__kernel,/dev/null \
241        -Wl,-sectcreate,__PRELINK_STATE,__kexts,/dev/null \
242	-Wl,-sectcreate,__PRELINK_INFO,__info,/dev/null \
243	-Wl,-new_linker \
244	-Wl,-pagezero_size,0x0 \
245	-Wl,-version_load_command \
246	-Wl,-function_starts \
247	-Wl,-headerpad,152
248
249LDFLAGS_KERNEL_RELEASE 	=
250LDFLAGS_KERNEL_DEVELOPMENT 	=
251LDFLAGS_KERNEL_DEBUG 	= 
252LDFLAGS_KERNEL_PROFILE 	= 
253
254# KASLR static slide config:
255ifndef SLIDE
256SLIDE=0x00
257endif
258KERNEL_MIN_ADDRESS      = 0xffffff8000000000
259KERNEL_BASE_OFFSET      = 0x100000
260KERNEL_STATIC_SLIDE     = $(shell printf "0x%016x" \
261			  $$[ $(SLIDE) << 21 ])
262KERNEL_STATIC_BASE      = $(shell printf "0x%016x" \
263			  $$[ $(KERNEL_MIN_ADDRESS) + $(KERNEL_BASE_OFFSET) ])
264KERNEL_HIB_SECTION_BASE = $(shell printf "0x%016x" \
265			  $$[ $(KERNEL_STATIC_BASE) + $(KERNEL_STATIC_SLIDE) ])
266KERNEL_TEXT_BASE        = $(shell printf "0x%016x" \
267			  $$[ $(KERNEL_HIB_SECTION_BASE) + 0x100000 ])
268
269LDFLAGS_KERNEL_RELEASEX86_64 = \
270	-Wl,-pie \
271	-Wl,-segaddr,__HIB,$(KERNEL_HIB_SECTION_BASE) \
272	-Wl,-image_base,$(KERNEL_TEXT_BASE) \
273	-Wl,-seg_page_size,__TEXT,0x200000 \
274	-Wl,-sectalign,__DATA,__const,0x1000 \
275	-Wl,-sectalign,__DATA,__sysctl_set,0x1000 \
276	-Wl,-sectalign,__HIB,__bootPT,0x1000 \
277	-Wl,-sectalign,__HIB,__desc,0x1000 \
278	-Wl,-sectalign,__HIB,__data,0x1000 \
279	-Wl,-sectalign,__HIB,__text,0x1000 \
280	-Wl,-sectalign,__HIB,__const,0x1000 \
281	-Wl,-sectalign,__HIB,__bss,0x1000 \
282	-Wl,-sectalign,__HIB,__common,0x1000 \
283	$(LDFLAGS_NOSTRIP_FLAG)
284
285# Define KERNEL_BASE_OFFSET so known at compile time:
286CFLAGS_X86_64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
287
288LDFLAGS_KERNEL_DEBUGX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
289LDFLAGS_KERNEL_DEVELOPMENTX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
290LDFLAGS_KERNEL_PROFILEX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
291
292
293LDFLAGS_KERNEL	= $(LDFLAGS_KERNEL_GEN) \
294		  $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
295		  $($(addsuffix $(CURRENT_ARCH_CONFIG),LDFLAGS_KERNEL_)) \
296		  $($(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_)) \
297		  $($(addsuffix $(CURRENT_ARCH_CONFIG), $(addsuffix $(CURRENT_KERNEL_CONFIG),LDFLAGS_KERNEL_))) \
298		  $(DEPLOYMENT_TARGET_FLAGS)
299
300#
301# Default runtime libraries to be linked with the kernel
302#
303LD_KERNEL_LIBS	= -lcc_kext
304
305#
306# DTrace support
307#
308ifeq ($(CURRENT_KERNEL_CONFIG),RELEASE)
309ifneq ($(filter ARM%,$(CURRENT_ARCH_CONFIG)),)
310DO_CTFCONVERT = 0
311DO_CTFMERGE   = 0
312DO_CTFMACHO   = 0
313else
314DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
315DO_CTFMERGE   = 1
316DO_CTFMACHO   = $(NEEDS_CTF_MACHOS)
317endif
318else
319DO_CTFCONVERT = $(SUPPORTS_CTFCONVERT)
320DO_CTFMERGE   = 1
321DO_CTFMACHO   = $(NEEDS_CTF_MACHOS)
322endif
323
324#
325# Default INCFLAGS
326#
327INCFLAGS_IMPORT 	= $(patsubst %, -I$(OBJROOT)/EXPORT_HDRS/%, $(COMPONENT_IMPORT_LIST))
328INCFLAGS_EXTERN 	= -I$(SRCROOT)/EXTERNAL_HEADERS
329INCFLAGS_GEN	= -I$(SRCROOT)/$(COMPONENT) -I$(OBJROOT)/EXPORT_HDRS/$(COMPONENT)
330INCFLAGS_LOCAL	= -I.
331
332INCFLAGS 	= $(INCFLAGS_LOCAL) $(INCFLAGS_GEN) $(INCFLAGS_IMPORT) $(INCFLAGS_EXTERN) $(INCFLAGS_MAKEFILE)
333
334#
335# Default MIGFLAGS
336#
337MIGFLAGS	= $(DEFINES) $(INCFLAGS) $($(addsuffix $(CURRENT_ARCH_CONFIG),CFLAGS_)) $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) \
338		$(DEPLOYMENT_TARGET_FLAGS)
339
340#
341# Support for LLVM Link Time Optimization (LTO)
342#
343# CFLAGS_NOLTO_FLAG is needed on a per-file basis (for files
344# that deal poorly with LTO, or files that must be machine
345# code *.o files for xnu to build (i.e, setsegname runs on
346# them).
347#
348# LDFLAGS_NOSTRIP_FLAG is used to support configurations that
349# do not utilize an export list.  For these configs to build,
350# we need to prevent the LTO logic from dead stripping them.
351
352ifeq ($(BUILD_LTO),1)
353CFLAGS_GEN	+= -flto
354CXXFLAGS_GEN	+= -flto
355LDFLAGS_KERNEL_GEN	+= -Wl,-mllvm,-disable-simplify-libcalls -Wl,-object_path_lto,$(TARGET)/lto.o # -Wl,-mllvm -Wl,-disable-fp-elim
356LDFLAGS_NOSTRIP_FLAG = -rdynamic
357CFLAGS_NOLTO_FLAG = -fno-lto
358SUPPORTS_CTFCONVERT	= 0
359NEEDS_CTF_MACHOS	= 1
360else
361LDFLAGS_NOSTRIP_FLAG =
362CFLAGS_NOLTO_FLAG =
363SUPPORTS_CTFCONVERT	= 1
364NEEDS_CTF_MACHOS	= 0
365endif
366
367#
368# Default VPATH
369#
370export VPATH = .:$(SOURCE)
371
372#
373# Macros that control installation of kernel and its header files
374#
375# install flags for header files
376# 
377INSTALL_FLAGS = -c -S -m 0444
378DATA_INSTALL_FLAGS = -c -S -m 0644
379EXEC_INSTALL_FLAGS = -c -S -m 0755
380
381#
382# Header file destinations
383#
384ifeq ($(RC_ProjectName),xnu_headers_Sim)
385	HEADER_INSTALL_PREFIX = $(SDKROOT)
386else
387	HEADER_INSTALL_PREFIX = 
388endif
389
390FRAMEDIR = $(HEADER_INSTALL_PREFIX)/System/Library/Frameworks
391
392SINCVERS = B
393SINCFRAME = $(FRAMEDIR)/System.framework
394SINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Headers
395SPINCDIR = $(SINCFRAME)/Versions/$(SINCVERS)/PrivateHeaders
396SRESDIR = $(SINCFRAME)/Versions/$(SINCVERS)/Resources
397
398ifndef INCDIR
399    INCDIR = $(HEADER_INSTALL_PREFIX)/usr/include
400endif
401ifndef LCLDIR
402    LCLDIR = $(SPINCDIR)
403endif
404
405KINCVERS = A
406KINCFRAME = $(FRAMEDIR)/Kernel.framework
407KINCDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Headers
408KPINCDIR = $(KINCFRAME)/Versions/$(KINCVERS)/PrivateHeaders
409KRESDIR = $(KINCFRAME)/Versions/$(KINCVERS)/Resources
410
411XNU_PRIVATE_UNIFDEF = -UMACH_KERNEL_PRIVATE -UBSD_KERNEL_PRIVATE -UIOKIT_KERNEL_PRIVATE -ULIBKERN_KERNEL_PRIVATE -ULIBSA_KERNEL_PRIVATE -UPEXPERT_KERNEL_PRIVATE -UXNU_KERNEL_PRIVATE
412
413
414PLATFORM_UNIFDEF = $(foreach x,$(SUPPORTED_PLATFORMS),$(if $(filter $(PLATFORM),$(x)),-DPLATFORM_$(x) $(foreach token,$(PLATFORM_UNIFDEF_BLACKLIST_TOKENS_$(x)),-U$(token)),-UPLATFORM_$(x)))
415
416SPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -DPRIVATE -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
417SINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UKERNEL -UPRIVATE -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
418KPINCFRAME_UNIFDEF = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -DKERNEL_PRIVATE -DPRIVATE -DKERNEL -U_OPEN_SOURCE_ -U__OPEN_SOURCE__
419KINCFRAME_UNIFDEF  = $(PLATFORM_UNIFDEF) $(XNU_PRIVATE_UNIFDEF) $(SEED_DEFINES) -UKERNEL_PRIVATE -UPRIVATE -DKERNEL -D_OPEN_SOURCE_ -D__OPEN_SOURCE__
420
421
422#
423# Compononent Header file destinations
424#
425EXPDIR = EXPORT_HDRS/$(COMPONENT)
426
427#
428# Strip Flags
429#
430STRIP_FLAGS_RELEASE	= -S -x 
431STRIP_FLAGS_DEVELOPMENT	= -S -x 
432STRIP_FLAGS_DEBUG	= -S 
433STRIP_FLAGS_PROFILE	= -S -x
434
435STRIP_FLAGS 	= $($(addsuffix $(CURRENT_KERNEL_CONFIG),STRIP_FLAGS_)) 
436
437#
438# dsymutil flags
439#
440DSYMUTIL_FLAGS_X86_64 = --arch=x86_64
441
442DSYMUTIL_FLAGS = $($(addsuffix $(CURRENT_ARCH_CONFIG),DSYMUTIL_FLAGS_))
443
444#
445# Man Page destination
446#
447MANDIR = /usr/share/man
448
449#
450# DEBUG alias location
451#
452DEVELOPER_EXTRAS_DIR = /AppleInternal/CoreOS/xnu_debug
453
454#
455# mach_kernel install location
456#
457INSTALL_KERNEL_DIR = /
458
459#
460# System.kext pseudo-kext install location
461#
462INSTALL_EXTENSIONS_DIR = /System/Library/Extensions
463
464#
465# KDK location for iOS
466#
467INSTALL_KERNEL_SYM_DIR = /System/Library/Extensions/KDK
468
469#
470# Misc. Etc.
471#
472INSTALL_SHARE_MISC_DIR = /usr/share/misc
473INSTALL_DTRACE_SCRIPTS_DIR = /usr/lib/dtrace
474
475#
476# Overrides for XBS build aliases
477#
478ifeq ($(RC_ProjectName),xnu_debug)
479INSTALL_KERNEL_DIR := $(DEVELOPER_EXTRAS_DIR)
480DELETE_KERNEL_FRAMEWORK_AND_MISC = 1
481INSTALL_XNU_DEBUG_FILES = 1
482endif
483ifeq ($(PLATFORM),iPhoneOS)
484INSTALL_PRIMARY_KERNEL_LIKE_NON_PRIMARY = 1
485INSTALL_KERNEL_SYM_TO_KDK = 1
486USE_BINARY_PLIST = 1
487else ifeq ($(PLATFORM),iPhoneSimulator)
488INSTALL_SYSTEM_FRAMEWORK_SYMLINKS = 1
489USE_BINARY_PLIST = 1
490endif
491
492# vim: set ft=make:
493