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Makefile.kern.inc revision 1.206
      1 #	$NetBSD: Makefile.kern.inc,v 1.206 2015/08/29 15:37:18 uebayasi Exp $
      2 #
      3 # This file contains common `MI' targets and definitions and it is included
      4 # at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
      5 #
      6 # Each target in this file should be protected with `if !target(target)'
      7 # or `if !commands(target)' and each variable should only be conditionally
      8 # assigned `VAR ?= VALUE', so that everything can be overriden.
      9 #
     10 # DEBUG is set to -g if debugging.
     11 # PROF is set to -pg if profiling.
     12 #
     13 # To specify debugging, add the config line: makeoptions DEBUG="-g"
     14 # A better way is to specify -g only for a few files.
     15 #
     16 #	makeoptions DEBUGLIST="uvm* trap if_*"
     17 #
     18 # all ports are expected to include bsd.own.mk for toolchain settings
     19 
     20 # Default DEBUG to -g if kernel debug info is requested by MKKDEBUG=yes
     21 .if defined(MKKDEBUG) && ${MKKDEBUG} == "yes"
     22 DEBUG?=-g
     23 .endif
     24 
     25 ##
     26 ## (0) toolchain settings for things that aren't part of the standard
     27 ## toolchain
     28 ##
     29 HOST_SH?=	sh
     30 DBSYM?=		dbsym
     31 MKDEP?=		mkdep
     32 STRIP?=		strip
     33 OBJCOPY?=	objcopy
     34 OBJDUMP?=	objdump
     35 CSCOPE?=	cscope
     36 MKID?=		mkid
     37 UUDECODE?=	${TOOL_UUDECODE:Uuudecode}
     38 HEXDUMP?=	${TOOL_HEXDUMP:Uhexdump}
     39 GENASSYM?=	${TOOL_GENASSYM:Ugenassym}
     40 .MAKEOVERRIDES+=USETOOLS	# make sure proper value is propagated
     41 
     42 _MKMSG?=		@\#
     43 _MKSHMSG?=		echo
     44 _MKSHECHO?=		echo
     45 _MKSHNOECHO=		:
     46 _MKMSG_CREATE?=		:
     47 _MKTARGET_COMPILE?=	:
     48 _MKTARGET_CREATE?=	:
     49 
     50 ##
     51 ## (1) port independent source tree identification
     52 ##
     53 # source tree is located via $S relative to the compilation directory
     54 .ifndef S
     55 S!=	cd ../../../..; pwd
     56 .endif
     57 
     58 ##
     59 ## (2) compile settings
     60 ##
     61 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile
     62 ##
     63 INCLUDES?=	-I. ${EXTRA_INCLUDES} -I${S}/../common/include -I$S/arch \
     64 		-I$S -nostdinc
     65 CPPFLAGS+=	${INCLUDES} ${IDENT} -D_KERNEL -D_KERNEL_OPT
     66 CPPFLAGS+=	-std=gnu99
     67 DEFCOPTS?=	-O2
     68 COPTS?=		${DEFCOPTS}
     69 DBG=		# might contain unwanted -Ofoo
     70 DEFWARNINGS?=	yes
     71 .if (${DEFWARNINGS} == "yes")
     72 CWARNFLAGS+=	-Wall -Wno-main -Wno-format-zero-length -Wpointer-arith
     73 CWARNFLAGS+=	-Wmissing-prototypes -Wstrict-prototypes
     74 CWARNFLAGS+=	-Wold-style-definition
     75 CWARNFLAGS+=	-Wswitch -Wshadow
     76 CWARNFLAGS+=	-Wcast-qual -Wwrite-strings
     77 CWARNFLAGS+=	-Wno-unreachable-code
     78 #CWARNFLAGS+=	-Wc++-compat -Wno-error=c++-compat
     79 CWARNFLAGS+=	-Wno-pointer-sign -Wno-attributes
     80 .  if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64" || \
     81 	${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep"
     82 CWARNFLAGS+=	-Wextra -Wno-unused-parameter
     83 .  endif
     84 .  if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
     85 CWARNFLAGS+=	-Wold-style-definition
     86 .  endif
     87 # Add -Wno-sign-compare.  -Wsign-compare is included in -Wall as of GCC 3.3,
     88 # but our sources aren't up for it yet.
     89 CWARNFLAGS+=	-Wno-sign-compare
     90 .endif
     91 
     92 CWARNFLAGS.clang+=	-Wno-unknown-pragmas -Wno-conversion \
     93 			-Wno-self-assign
     94 
     95 CWARNFLAGS.ah_regdomain.c= ${${ACTIVE_CC} == "clang":? \
     96     -Wno-shift-count-negative -Wno-shift-count-overflow:}
     97 
     98 CWARNFLAGS.ioconf.c= ${${ACTIVE_CC} == "clang":? -Wno-unused-const-variable :}
     99 
    100 CFLAGS+=	-ffreestanding -fno-zero-initialized-in-bss
    101 CFLAGS+=	${DEBUG} ${COPTS}
    102 AFLAGS+=	-D_LOCORE -Wa,--fatal-warnings
    103 
    104 # XXX
    105 .if defined(HAVE_GCC) || defined(HAVE_LLVM)
    106 CFLAGS+=	-fno-strict-aliasing
    107 CFLAGS+=	-fno-common
    108 .endif
    109 
    110 .if ${USE_SSP:Uno} == "yes"
    111 COPTS.kern_ssp.c+=	-fno-stack-protector -D__SSP__
    112 .endif
    113 
    114 # for multi-cpu machines, cpu_hatch() straddles the init of
    115 # __stack_chk_guard, so ensure stack protection is disabled
    116 .if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
    117 COPTS.cpu.c+=		-fno-stack-protector
    118 .endif
    119 
    120 # Use the per-source COPTS variables to add -g to just those
    121 # files that match the shell patterns given in ${DEBUGLIST}
    122 #
    123 .for i in ${DEBUGLIST}
    124 . for j in ${CFILES:T:M$i.c}
    125 COPTS.${j}+=-g
    126 . endfor
    127 .endfor
    128 
    129 # Always compile debugsyms.c with debug information.
    130 # This allows gdb to use type informations.
    131 #
    132 COPTS.debugsyms.c+=	-g
    133 
    134 # Add CTF sections for DTrace
    135 .if defined(CTFCONVERT)
    136 COMPILE_CTFCONVERT=	${_MKSHECHO}\
    137 			${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
    138 			${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
    139 .else
    140 COMPILE_CTFCONVERT=	${_MKSHNOECHO}
    141 .endif
    142 
    143 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
    144 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).
    145 NORMAL_C?=	@${_MKSHMSG} "compile  ${.CURDIR:T}/${.TARGET}" && \
    146 		${_MKSHECHO}\
    147 		${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< -o $@ && \
    148 		${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< -o $@ && \
    149 		${COMPILE_CTFCONVERT}
    150 NOPROF_C?=	@${_MKSHMSG} "compile  ${.CURDIR:T}/${.TARGET}" && \
    151 		${_MKSHECHO}\
    152 		${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} -c $< -o $@ && \
    153 		${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} -c $< -o $@ && \
    154 		${COMPILE_CTFCONVERT}
    155 NORMAL_S?=	@${_MKSHMSG} "compile  ${.CURDIR:T}/${.TARGET}" && \
    156 		${_MKSHECHO}\
    157 		${CC} ${AFLAGS} ${AFLAGS.${<:T}} ${CPPFLAGS} -c $< -o $@ && \
    158 		${CC} ${AFLAGS} ${AFLAGS.${<:T}} ${CPPFLAGS} -c $< -o $@
    159 
    160 # link rules:
    161 LINK_O?=	@${_MKSHMSG} "   link  ${.CURDIR:T}/${.TARGET}" && \
    162 		${_MKSHECHO}\
    163 		${LD} -r ${LINKFORMAT} -Map=${.TARGET}.map -o ${.TARGET} ${.ALLSRC} && \
    164 		${LD} -r ${LINKFORMAT} -Map=${.TARGET}.map -o ${.TARGET} ${.ALLSRC}
    165 
    166 ##
    167 ## (3) libkern and compat
    168 ##
    169 ## Set KERN_AS in the port Makefile to "obj" or "library".  The
    170 ## default is "library", as documented in $S/lib/libkern/Makefile.inc.
    171 ##
    172 
    173 ### find out what to use for libkern
    174 .include "$S/lib/libkern/Makefile.inc"
    175 .ifndef PROF
    176 LIBKERN?=	${KERNLIB}
    177 .else
    178 LIBKERN?=	${KERNLIB_PROF}
    179 .endif
    180 
    181 LIBKERNLN?=	${KERNLIBLN}
    182 
    183 ### find out what to use for libcompat
    184 .include "$S/compat/common/Makefile.inc"
    185 .ifndef PROF
    186 SYSLIBCOMPAT?=	${COMPATLIB}
    187 .else
    188 SYSLIBCOMPAT?=	${COMPATLIB_PROF}
    189 .endif
    190 
    191 SYSLIBCOMPATLN?=	${COMPATLIBLN}
    192 
    193 ##
    194 ## (4) local objects, compile rules, and dependencies
    195 ##
    196 ## Each port should have a corresponding section with settings for
    197 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same.
    198 ##
    199 MI_CFILES=devsw.c ioconf.c param.c
    200 # the need for a MI_SFILES variable is dubitable at best
    201 MI_OBJS=${MI_CFILES:S/.c/.o/}
    202 
    203 param.c: $S/conf/param.c
    204 	${_MKTARGET_CREATE}
    205 	rm -f param.c
    206 	cp $S/conf/param.c .
    207 
    208 param.o: Makefile
    209 
    210 .for _cfile in ${MI_CFILES}
    211 ${_cfile:T:R}.o: ${_cfile}
    212 	${NORMAL_C}
    213 .endfor
    214 
    215 ##
    216 ## (5) link settings
    217 ##
    218 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, LINKSCRIPT, and any EXTRA_LINKFLAGS
    219 ## must be set in the port's Makefile.  The port specific definitions for
    220 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS
    221 ## depending on the value of DEBUG.
    222 ##
    223 # load lines for config "xxx" will be emitted as:
    224 # xxx: ${SYSTEM_DEP} swapxxxx.o vers.o build_kernel
    225 
    226 .if !empty(OBJS:Mnetbsd.ko)
    227 SYSTEM_OBJ?=	${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN}
    228 .else
    229 SYSTEM_OBJ?=	${MD_OBJS} ${MI_OBJS} ${OBJS:O} ${SYSLIBCOMPAT} ${LIBKERN}
    230 .endif
    231 SYSTEM_DEP+=	Makefile ${SYSTEM_OBJ} .gdbinit
    232 .if defined(CTFMERGE)
    233 SYSTEM_CTFMERGE= ${CTFMERGE} ${CTFMFLAGS} -o ${.TARGET} ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o
    234 .else
    235 SYSTEM_CTFMERGE= ${_MKSHECHO}
    236 .endif
    237 SYSTEM_LD_HEAD?=@rm -f $@
    238 SYSTEM_LD?=	@do_system_ld() { \
    239 		target=$$1; shift; \
    240 		${_MKSHMSG} "   link  ${.CURDIR:T}/${.TARGET}"; \
    241 		${_MKSHECHO}\
    242 		${LD} -Map $${target}.map --cref ${LINKFLAGS} -o $${target} '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o $$@; \
    243 		${LD} -Map $${target}.map --cref ${LINKFLAGS} -o $${target} ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o $$@; \
    244 		}; \
    245 		do_system_ld
    246 
    247 # Give MD generated ldscript dependency on ${SYSTEM_OBJ}
    248 .if defined(KERNLDSCRIPT)
    249 .if target(${KERNLDSCRIPT})
    250 ${KERNLDSCRIPT}: ${SYSTEM_OBJ}
    251 .endif
    252 .endif
    253 
    254 .if defined(KERNLDSCRIPT)
    255 .for k in ${KERNELS}
    256 EXTRA_CLEAN+=	${k}.ldscript
    257 ${k}: ${k}.ldscript
    258 ${k}.ldscript: ${KERNLDSCRIPT} assym.h
    259 	${_MKTARGET_CREATE}
    260 	${CPP} -I. ${KERNLDSCRIPT} | grep -v '^#' | grep -v '^$$' >$@
    261 .endfor
    262 LINKSCRIPT=	-T ${.TARGET}.ldscript
    263 .endif
    264 
    265 TEXTADDR?=	${LOADADDRESS}			# backwards compatibility
    266 LINKTEXT?=	${TEXTADDR:C/.+/-Ttext &/}
    267 LINKDATA?=	${DATAADDR:C/.+/-Tdata &/}
    268 ENTRYPOINT?=	start
    269 LINKENTRY?=	${ENTRYPOINT:C/.+/-e &/}
    270 LINKFLAGS?=	${LINKFORMAT} ${LINKSCRIPT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \
    271 		${EXTRA_LINKFLAGS}
    272 
    273 LINKFLAGS_DEBUG?=	-X
    274 
    275 SYSTEM_LD_TAIL?=@${TOOL_SED} '/const char sccs/!d;s/.*@(.)//;s/" "//;s/\\.*//' vers.c; \
    276 		${SIZE} $@; chmod 755 $@; \
    277 		${SYSTEM_CTFMERGE}
    278 SYSTEM_LD_TAIL_DEBUG?=; \
    279 		echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \
    280 		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
    281 		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
    282 LINKFLAGS_NORMAL?=	-S
    283 STRIPFLAGS?=	-g
    284 
    285 DEBUG?=
    286 .if !empty(DEBUG:M-g*)
    287 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG}
    288 LINKFLAGS+=	${LINKFLAGS_DEBUG}
    289 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@}
    290 CTFFLAGS+=	-g
    291 TARGETSFX=	.gdb
    292 .elifndef PROF
    293 LINKFLAGS+=	${LINKFLAGS_NORMAL}
    294 .endif
    295 
    296 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA}
    297 SYSTEM_LD_TAIL_STAGE1=	${SYSTEM_LD_TAIL}
    298 SYSTEM_LD_TAIL_STAGE2=	${SYSTEM_LD_TAIL}
    299 .if defined(COPY_SYMTAB)
    300 SYSTEM_LD_TAIL_STAGE2+=	; echo ${DBSYM} $@; ${DBSYM} $@
    301 .if !empty(DEBUG:M-g)
    302 SYSTEM_LD_TAIL_STAGE2+=	; echo ${DBSYM} $@.gdb; ${DBSYM} $@.gdb
    303 .endif
    304 .endif
    305 SYSTEM_LD_TAIL_STAGE2+=	${SYSTEM_LD_TAIL_EXTRA}
    306 
    307 ##
    308 ## (6) port independent targets and dependencies: assym.h, vers.o
    309 ##
    310 
    311 .SUFFIXES: .genassym .assym.h
    312 .genassym.assym.h:
    313 	${_MKTARGET_CREATE}
    314 	cat $< | \
    315 	    ${GENASSYM} -- ${CC} ${CFLAGS:N-Wa,*} ${CPPFLAGS} ${PROF} \
    316 	    ${GENASSYM_CPPFLAGS} > $@.tmp && \
    317 	mv -f $@.tmp $@
    318 
    319 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} $S/conf/genassym.cf
    320 	${_MKTARGET_CREATE}
    321 	cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} $S/conf/genassym.cf | \
    322 	    ${GENASSYM} -- ${CC} ${CFLAGS:N-Wa,*} ${CPPFLAGS} ${PROF} \
    323 	    ${GENASSYM_CPPFLAGS} > assym.h.tmp && \
    324 	mv -f assym.h.tmp assym.h
    325 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h
    326 
    327 MKREPRO?=no
    328 
    329 .if ${MKREPRO} == "yes"
    330 _NVFLAGS=${NVFLAGS} -r
    331 .else
    332 _NVFLAGS=${NVFLAGS}
    333 .endif
    334 
    335 .if !target(vers.o)
    336 newvers: vers.o
    337 vers.o: ${SYSTEM_OBJ} Makefile $S/conf/newvers.sh \
    338 		$S/conf/osrelease.sh ${_NETBSD_VERSION_DEPENDS}
    339 	${_MKMSG_CREATE} vers.c
    340 	${HOST_SH} $S/conf/newvers.sh ${_NVFLAGS}
    341 	${_MKTARGET_COMPILE}
    342 	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
    343 	${COMPILE_CTFCONVERT}
    344 .endif
    345 
    346 # Option for embedding a splashscreen image.
    347 .if defined(SPLASHSCREEN_IMAGE)
    348 .include "${S}/dev/splash/splash.mk"
    349 init_main.o: splash_image.o
    350 .endif
    351 
    352 .if defined(MEMORY_DISK_IMAGE)
    353 md_root_image.h: ${MEMORY_DISK_IMAGE}
    354 	${_MKTARGET_CREATE}
    355 	${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET}
    356 
    357 # XXX This is only needed when building md_root.o
    358 CPPFLAGS+=	-DMEMORY_DISK_IMAGE
    359 md_root.o: md_root_image.h
    360 .endif
    361 
    362 # depend on MEMORY_DISK_IMAGE configuration
    363 md_root.o: Makefile
    364 
    365 ##
    366 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags,
    367 ##                   cscope, mkid
    368 ##
    369 ## Any ports that have other stuff to be cleaned up should fill in
    370 ## EXTRA_CLEAN.  Some ports may want different settings for
    371 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS.
    372 ##
    373 
    374 ##
    375 ## clean
    376 ##
    377 
    378 .if !target(__CLEANKERNEL)
    379 __CLEANKERNEL: .USE
    380 	${_MKMSG} "${.TARGET}ing the kernel objects"
    381 	rm -f ${KERNELS} *.map eddep tags *.[io] *.ko *.ln [a-z]*.s vers.c \
    382 	    [Ee]rrs linterrs makelinks assym.h.tmp assym.h \
    383 	    ${EXTRA_KERNELS} ${EXTRA_CLEAN}
    384 .endif
    385 
    386 .if !target(kernelnames)
    387 kernelnames:
    388 	@echo "${KERNELS} ${EXTRA_KERNELS}"
    389 .endif
    390 
    391 .if !target(__CLEANDEPEND)
    392 __CLEANDEPEND: .USE
    393 	echo .depend ${DEPS} | xargs rm -f --
    394 .endif
    395 
    396 # do not !target these, the kern and compat Makefiles augment them
    397 cleandir distclean: __CLEANKERNEL __CLEANDEPEND
    398 clean: __CLEANKERNEL
    399 depend: .depend
    400 dependall: depend .WAIT all
    401 
    402 ##
    403 ## depend
    404 ##
    405 
    406 .if !target(.depend)
    407 MKDEP_AFLAGS?=	${AFLAGS}
    408 MKDEP_CFLAGS?=	${CFLAGS}
    409 SSRCS=${MD_SFILES} ${SFILES}
    410 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES}
    411 SRCS=${SSRCS} ${CSRCS}
    412 DEPS=	${SRCS:T:u:R:S/$/.d/g}
    413 
    414 .SUFFIXES: .S .d
    415 .S.d:
    416 	${_MKTARGET_CREATE}
    417 	${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \
    418 	    ${CPPFLAGS} ${CPPFLAGS.${_s:T}} $<
    419 
    420 .for _s in ${SSRCS}
    421 .if !target(${_s:T:R}.d)
    422 ${_s:T:R}.d: ${_s} assym.h
    423 	${_MKTARGET_CREATE}
    424 	${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \
    425 	    ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
    426 .endif
    427 .endfor
    428 
    429 .SUFFIXES: .c .d
    430 .c.d:
    431 	${_MKTARGET_CREATE}
    432 	${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \
    433 	    ${CPPFLAGS} ${CPPFLAGS.${_s:T}} $<
    434 
    435 .for _s in ${CSRCS}
    436 .if !target(${_s:T:R}.d)
    437 ${_s:T:R}.d: ${_s}
    438 	${_MKTARGET_CREATE}
    439 	${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \
    440 	    ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
    441 .endif
    442 .endfor
    443 
    444 assym.d: assym.h
    445 	${_MKTARGET_CREATE}
    446 	cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \
    447 	    ${GENASSYM} -- ${MKDEP} -f assym.dep -- \
    448 	    ${CFLAGS:N-Wa,*} ${CPPFLAGS} ${GENASSYM_CPPFLAGS}
    449 	${TOOL_SED} -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET}
    450 	rm -f assym.dep
    451 
    452 DEPS+=	assym.d
    453 
    454 .depend: ${DEPS}
    455 	${_MKTARGET_CREATE}
    456 	echo "${.ALLSRC}" | ${MKDEP} -D
    457 .endif
    458 
    459 ##
    460 ## lint
    461 ##
    462 
    463 .if !target(lint)
    464 ALLSFILES?=	${MD_SFILES} ${SFILES}
    465 LINTSTUBS?=	${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g}
    466 KERNLINTFLAGS?=	-bcehnxzFS
    467 NORMAL_LN?=	${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< -o $@
    468 
    469 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
    470 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN}
    471 
    472 .for _sfile in ${ALLSFILES}
    473 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h
    474 	${_MKTARGET_COMPILE}
    475 	${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \
    476 	      ${TOOL_AWK} -f $S/kern/genlintstub.awk >${.TARGET}
    477 .endfor
    478 
    479 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
    480 ${_cfile:T:R}.ln: ${_cfile}
    481 	${_MKTARGET_COMPILE}
    482 	${NORMAL_LN}
    483 .endfor
    484 
    485 lint: ${LOBJS}
    486 	${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS}
    487 .endif
    488 
    489 # Attempt to do a syntax-only compile of the entire kernel as one entity.
    490 # Alas, bugs in the GCC C frontend prevent this from completely effective
    491 # but information can be gleaned from the output.
    492 syntax-only: ${CFILES} ${MD_CFILES}
    493 	${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \
    494 		${CFILES} ${MD_CFILES}
    495 
    496 # List of kernel images that will be installed into the root file system.
    497 # Some platforms may need to install more than one (e.g. a netbsd.aout file
    498 # to be loaded directly by the firmware), so this can be overriden by them.
    499 KERNIMAGES?=	netbsd
    500 
    501 ##
    502 ## install
    503 ##
    504 
    505 .if !target(install)
    506 # The install target can be redefined by putting a
    507 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf
    508 MACHINE_NAME!=  uname -n
    509 install: install-kernel-${MACHINE_NAME}
    510 .if !target(install-kernel-${MACHINE_NAME})
    511 install-kernel-${MACHINE_NAME}:
    512 .for _K in ${KERNIMAGES}
    513 	rm -f ${DESTDIR}/o${_K}
    514 	ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K}
    515 	cp ${_K} ${DESTDIR}/n${_K}
    516 	mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K}
    517 .endfor
    518 .endif
    519 .endif
    520 
    521 ##
    522 ## tags
    523 ##
    524 
    525 .if !target(tags)
    526 tags:
    527 	@echo "see $S/kern/Makefile for tags"
    528 .endif
    529 
    530 ##
    531 ## cscope
    532 ##
    533 
    534 EXTRA_CLEAN+= cscope.out cscope.tmp
    535 .if !target(cscope.out)
    536 cscope.out: Makefile depend
    537 	${_MKTARGET_CREATE}
    538 	@${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend \
    539 	    | tr -s ' ' '\n' \
    540 	    | ${TOOL_SED} ';s|^../../||;' \
    541 	    > cscope.tmp
    542 	@${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend \
    543 	    | tr -s ' ' '\n' \
    544 	    | ${TOOL_SED} 's|^../../||;' \
    545 	    >> cscope.tmp
    546 	@echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \
    547 	    ${CSCOPE} -k -i - -b `echo ${INCLUDES} | ${TOOL_SED} s/-nostdinc//`
    548 #	cscope doesn't write cscope.out if it's uptodate, so ensure
    549 #	make doesn't keep calling cscope when not needed.
    550 	@rm -f cscope.tmp; touch cscope.out
    551 .endif
    552 
    553 .if !target(cscope)
    554 cscope: cscope.out
    555 	@${CSCOPE} -d
    556 .endif
    557 
    558 EXTRA_CLEAN+= ID
    559 .if !target(mkid)
    560 .PHONY: mkid
    561 mkid: ID
    562 
    563 ID: Makefile depend
    564 	${_MKTARGET_CREATE}
    565 	@${MKID} \
    566 	    `${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \
    567 			lib/kern/.depend lib/compat/.depend \
    568 		    | tr ' ' '\n' \
    569 		    | ${TOOL_SED} "s|^../../||" \
    570 		    | sort -u` \
    571 	    `${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \
    572 			.depend \
    573 		    | tr ' ' '\n' \
    574 		    | sort -u`
    575 
    576 .endif
    577 
    578 ##
    579 ## .gdbinit
    580 ##
    581 
    582 .include "${S}/gdbscripts/Makefile.inc"
    583 
    584 EXTRA_CLEAN+= .gdbinit
    585 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc
    586 	${_MKTARGET_CREATE}
    587 	rm -f .gdbinit
    588 .for __gdbinit in ${SYS_GDBINIT}
    589 	echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit
    590 .endfor
    591 .if defined(GDBINIT) && !empty(GDBINIT)
    592 .for __gdbinit in ${GDBINIT}
    593 	echo "source ${__gdbinit}" >> .gdbinit
    594 .endfor
    595 .endif
    596 
    597 ##
    598 ## the kernel
    599 ##
    600 
    601 # The following files use alloca(3) or variable array allocations.
    602 # Their full name is noted as documentation.
    603 VARSTACK=kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \
    604     nfs/nfs_bio.c uvm/uvm_bio.c \
    605     uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \
    606     dev/ofw/ofw_subr.c
    607 
    608 .for __varstack in ${VARSTACK}
    609 COPTS.${__varstack:T} += -Wno-stack-protector
    610 .endfor
    611 
    612 AFLAGS+=	${AOPTS.${.IMPSRC:T}}
    613 CFLAGS+=	${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}}
    614 CPPFLAGS+=	${CPPFLAGS.${.IMPSRC:T}}
    615 CWARNFLAGS+=	${CWARNFLAGS.${.IMPSRC:T}}
    616 
    617 locore.o machdep.o kern_ksyms.o: Makefile
    618 
    619 .if defined(COPY_SYMTAB)
    620 CPPFLAGS.locore.S+=		-DCOPY_SYMTAB
    621 CPPFLAGS.machdep.c+=		-DCOPY_SYMTAB
    622 CPPFLAGS.kern_ksyms.c+=		-DCOPY_SYMTAB
    623 CPPFLAGS.kern_ksyms_buf.c+=	-DCOPY_SYMTAB
    624 .endif
    625 
    626 .if !defined(COPY_SYMTAB)
    627 build_kernel: .USE
    628 	${SYSTEM_LD_HEAD}
    629 	${SYSTEM_LD} ${.TARGET} swap${.TARGET}.o
    630 	${SYSTEM_LD_TAIL_STAGE2}
    631 .else
    632 .for k in ${KERNELS}
    633 ${k}: $S/kern/kern_ksyms_buf.c
    634 .endfor
    635 build_kernel: .USE
    636 	${CC} ${CFLAGS} ${CPPFLAGS} -DCOPY_SYMTAB \
    637 	    -c $S/kern/kern_ksyms_buf.c -o kern_ksyms_buf.o
    638 	${SYSTEM_LD_HEAD}
    639 	${SYSTEM_LD} ${.TARGET} swap${.TARGET}.o kern_ksyms_buf.o
    640 	${SYSTEM_LD_TAIL_STAGE1}
    641 	${CC} ${CFLAGS} ${CPPFLAGS} -DCOPY_SYMTAB \
    642 	    -DSYMTAB_SPACE=$$(${DBSYM} -P ${.TARGET}${TARGETSFX}) \
    643 	    -c $S/kern/kern_ksyms_buf.c -o kern_ksyms_buf_real.o
    644 	${SYSTEM_LD_HEAD}
    645 	${SYSTEM_LD} ${.TARGET} swap${.TARGET}.o kern_ksyms_buf_real.o
    646 	${SYSTEM_LD_TAIL_STAGE2}
    647 .endif
    648 
    649 .include <bsd.files.mk>
    650 .include <bsd.clang-analyze.mk>
    651 
    652 ##
    653 ## the end
    654 ##
    655