Makefile.rump revision 1.131
1# $NetBSD: Makefile.rump,v 1.131 2021/04/13 22:23:42 christos Exp $ 2# 3 4.if !defined(_RUMP_MK) 5_RUMP_MK= #defined 6 7WARNS?= 3 # XXX: src/sys won't compile with -Wsign-compare yet 8NOLINT= # kernel code 9 10.include <bsd.own.mk> 11 12# Use NetBSD kernel ABI by default on x86 archs. Performance-related 13# compile-time options may override this at a later date. 14.if (${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64") 15_RUMP_NATIVEABI= yes 16.else 17_RUMP_NATIVEABI= no 18CPPFLAGS:= -I${RUMPTOP}/include ${CPPFLAGS} 19CPPFLAGS+= -D_RUMPKERNEL -I${RUMPTOP}/librump/rumpkern 20.endif 21 22# We are compiling the kernel code with no-delete-null-pointer-checks, 23# and compiling without it, causes issues at least on sh3 by adding 24# aborts after kern_assert on NULL pointer checks. 25CFLAGS+= ${${ACTIVE_CC} == "gcc":? -fno-delete-null-pointer-checks :} 26 27# NULL + 0 arithmetic raises LLVM UBSan warnings, specially in sys/pslist.h 28# in the type-safe macros _PSLIST_VALIDATE_PTRS and _PSLIST_VALIDATE_CONTAINER. 29.if ${MKSANITIZER:Uno} == "yes" || ${MKLIBCSANITIZER:Uno} == "yes" 30CFLAGS+= ${${ACTIVE_CC} == "clang":? -fno-delete-null-pointer-checks :} 31.endif 32 33# Define baseline cpu for mips ports, required for 34# rumpcomp_sync_icache() hypercall. 35.if !empty(MACHINE_ARCH:Mmips*) 36.if !empty(MACHINE_ARCH:Mmips64*) 37CPPFLAGS+= -DMIPS64=1 38.else 39CPPFLAGS+= -DMIPS1=1 40.endif 41.endif 42 43# which NetBSD compat to build 44RUMP_NBCOMPAT?=default 45.if ${RUMP_NBCOMPAT} == "all" || ${RUMP_NBCOMPAT} == "default" 46RUMP_NBCOMPAT= 50 60 70 80 90 47.endif 48.if ${RUMP_NBCOMPAT} == "none" 49RUMP_NBCOMPAT= 50.endif 51RUMP_NBCOMPAT:= ${RUMP_NBCOMPAT:S/,/ /g} 52CPPFLAGS+= ${RUMP_NBCOMPAT:C/[1-9]0/-DCOMPAT_&/g} 53 54CPPFLAGS+= -nostdinc 55CFLAGS+= -ffreestanding -fno-strict-aliasing 56 57CWARNFLAGS+= -Wno-format-zero-length -Wno-pointer-sign 58 59CPPIFLAGS+= -imacros ${RUMPTOP}/include/opt/opt_rumpkernel.h 60.ifdef BUILDRUMP_IMACROS 61CPPIFLAGS+= -imacros ${BUILDRUMP_IMACROS} 62.endif 63 64CPPFLAGS+= -I${.CURDIR} -I. 65CPPFLAGS+= -I${RUMPTOP}/../../common/include 66CPPFLAGS+= -I${RUMPTOP}/include 67CPPFLAGS+= -I${RUMPTOP}/include/opt 68 69SHLIB_MAJOR?= 0 70SHLIB_MINOR?= 0 71 72.ifdef NEED_ISYSTEM 73CPPIFLAGS+= -isystem ${RUMPTOP}/../arch 74CPPIFLAGS+= -isystem ${RUMPTOP}/.. 75.else 76CPPFLAGS+= -I${RUMPTOP}/../arch 77CPPFLAGS+= -I${RUMPTOP}/.. 78.endif 79 80RUMP_LDSCRIPT?= GNU 81.if ${RUMP_LDSCRIPT} != "no" 82# my ld or yours? 83.if ${RUMP_LDSCRIPT} == "sun" 84LDFLAGS+= -Wl,-M ${RUMPTOP}/ldscript_sun.rump 85SRCS+= linksyms_sun.c 86.PATH: ${RUMPTOP} 87.elif ${RUMP_LDSCRIPT} == "GNU" 88LDFLAGS+= -Wl,-T,${RUMPTOP}/ldscript.rump 89.elif ${RUMP_LDSCRIPT} == "ctor" 90CPPFLAGS+= -DRUMP_USE_CTOR 91.else 92.error Unknown ldscript ${RUMP_LDSCRIPT} 93.endif 94.endif 95 96.if defined(RUMP_CURLWP) 97.if ${RUMP_CURLWP} == "hypercall" 98CPPFLAGS+= -DRUMP_CURLWP=RUMP_CURLWP_HYPERCALL 99.elif ${RUMP_CURLWP} == "__thread" 100CPPFLAGS+= -DRUMP_CURLWP=RUMP_CURLWP___THREAD 101.elif ${RUMP_CURLWP} == "register" 102CPPFLAGS+= -DRUMP_CURLWP=RUMP_CURLWP_REGISTER 103.else 104.error Unsupported curlwp scheme: ${RUMP_CURLWP} 105.endif 106.endif 107 108RUMP_DIAGNOSTIC?=yes 109.if ${RUMP_DIAGNOSTIC} == "yes" 110CPPFLAGS+= -DDIAGNOSTIC 111.endif 112 113.ifdef RUMP_DEBUG 114CPPFLAGS+= -DDEBUG 115.endif 116 117.ifdef RUMP_LOCKDEBUG 118CPPFLAGS+= -DLOCKDEBUG 119.endif 120 121RUMP_KTRACE?=yes 122.if ${RUMP_KTRACE} == "yes" 123CPPFLAGS+= -DKTRACE 124.endif 125 126# kernel libs should not get linked against libc 127# XXX: actually, we would like to enable this but cannot, since it 128# also leaves out libgcc, it causes problems on some platforms. 129# revisit some day. 130#LDFLAGS+= -nodefaultlibs 131 132# make sure __NetBSD__ gets defined (for builds on non-NetBSD) 133# also, give those builds a way to undef the local compiler's macros 134CPPFLAGS+= ${RUMPKERN_UNDEF} 135 136RUMPKERNEL= This is NetBSD and I am the rump. Good evening. 137 138# workaround: evbppc is not a well-defined arch 139.if ${MACHINE} == "evbppc" 140. if ${MACHINE_ARCH} == "powerpc" 141CPPFLAGS+= -DPPC_OEA 142. else 143CPPFLAGS+= -DPPC_OEA64 144. endif 145.endif 146 147# If any of these files change, we need a full rebuild 148DPSRCS+= ${RUMPTOP}/Makefile.rump 149 150# 151# Support for component-specific hypercalls 152# 153 154# no easy way to get WARNS out of bsd.sys.mk 155RUMPCOMP_USER_WARNFLAGS= -Wall -Wextra -Wno-unused-parameter 156RUMPCOMP_USER_WARNFLAGS+= -Wstrict-prototypes -Wmissing-prototypes 157 158.ifdef RUMPCOMP_USER_SRCS && !defined(RUMPKERN_ONLY) 159.if empty(DESTDIR) 160DESTDIR=/ 161.endif 162BUILDRUMP_CPPFLAGS ?= -isysroot ${DESTDIR} 163RUMPCOMP_USER_WERROR = ${${_NOWERROR} == "no" :?-Werror:} 164.for rcusrc in ${RUMPCOMP_USER_SRCS:R} 165${rcusrc}.d: ${rcusrc}.c 166 ${_MKTARGET_CREATE} 167 ${MKDEP} -f ${.TARGET} -- ${MKDEPFLAGS} ${CPUFLAGS} ${REPROFLAGS} ${BUILDRUMP_CPPFLAGS} ${RUMPCOMP_USER_CPPFLAGS} ${.ALLSRC:O:u:M*${rcusrc}.c} 168 169${rcusrc}.o: ${rcusrc}.c 170 ${_MKTARGET_COMPILE} 171 ${CC} -o ${.TARGET} ${DBG} ${CWARNFLAGS} ${CPUFLAGS} ${REPROFLAGS} ${RUMPCOMP_USER_WERROR} ${RUMPCOMP_USER_WARNFLAGS} ${BUILDRUMP_CPPFLAGS} ${BUILDRUMP_CFLAGS} ${RUMPCOMP_USER_CPPFLAGS} ${RUMPCOMP_USER_CFLAGS} -c ${.ALLSRC:O:u:M*${rcusrc}.c} 172 173${rcusrc}.pico: ${rcusrc}.c 174 ${_MKTARGET_COMPILE} 175 ${CC} -o ${.TARGET} -fPIC -DPIC ${DBG} ${CWARNFLAGS} ${CPUFLAGS} ${REPROFLAGS} ${RUMPCOMP_USER_WERROR} ${RUMPCOMP_USER_WARNFLAGS} ${BUILDRUMP_CPPFLAGS} ${BUILDRUMP_CFLAGS} ${RUMPCOMP_USER_CPPFLAGS} ${RUMPCOMP_USER_CFLAGS} -c ${.ALLSRC:O:u:M*${rcusrc}.c} 176 177${rcusrc}.po: ${rcusrc}.c 178 ${_MKTARGET_COMPILE} 179 ${CC} -o ${.TARGET} ${PROFFLAGS} -pg ${DBG} ${CWARNFLAGS} ${CPUFLAGS} ${REPROFLAGS} ${RUMPCOMP_USER_WERROR} ${RUMPCOMP_USER_WARNFLAGS} ${BUILDRUMP_CPPFLAGS} ${BUILDRUMP_CFLAGS} ${RUMPCOMP_USER_CPPFLAGS} ${RUMPCOMP_USER_CFLAGS} -c ${.ALLSRC:O:u:M*${rcusrc}.c} 180 181RUMPOBJ_NORENAME+=${rcusrc}.o ${rcusrc}.pico ${rcusrc}.po 182SRCS+=${rcusrc}.c 183.endfor 184.endif 185 186# 187# Rename library symbols before use. If a symbol does not already belong 188# to a rump namespace ("rump" or "RUMP"), prefix it with "rumpns". This 189# avoids accidentally linking any kernel symbol against host platform 190# libraries. The only non-renamed symbols are linkset delimiters and 191# the GOT, which are more a property of the compiler than the kernel. 192# 193# Some toolchains generate unresolved symbols which are supposed to be 194# satisfied by the toolchain itself when the program is linked. 195# Unfortunately, we do not know which of the symbols are generated by 196# the toolchain. Worse, they vary from platform to platform and 197# toolchain to toolchain. The good news, however, is that this will 198# be detected by a compile-time failure, so we can fairly easily manage 199# a quirktable here. 200# 201# We also allow calling ourselves externally with e.g.: 202# make -f /sys/rump/Makefile.rump RUMP_SYMREN=ffs.kobj 203# 204.if ${MACHINE_CPU} == "mips" 205_SYMQUIRK='|_gp_disp' 206.elif ${MACHINE_CPU} == "hppa" 207_SYMQUIRK='|\$$\$$' 208.elif ${MACHINE_ARCH} == "powerpc64" 209_SYMQUIRK="|PF_funcs" 210.endif 211 212# 213# Prefix quirks. At least one toolchain generates global 214# symbols with prefixes which really need to remain as prefixes 215# (i.e. the '.' on the front of some ppc64 globals). The 216# way to know if you have the problem is if you get later 217# complaints about symbols like 'rumpns_XrumpBLAH' or 'XrumpBLAH'; 218# the 'X' part was added by the toolchain and will need to 219# be mentioned here. 220# 221.if ${MACHINE_ARCH} == "powerpc64" 222_PQ="\.?" 223.else 224_PQ= 225.endif 226 227rump_symren: __archivebuild 228.if !defined(RUMP_SYMREN) 229 @echo "Must supply RUMP_SYMREN for target rump_symren" 230 @false 231.endif 232 233# if we are called from lib build (RUMP_SYMREN is not specified), 234# build the arrrrchive. otherwise just rename symbols. 235__archivebuild: .USE 236.if defined(RUMP_SYMREN) && defined(RUMPTOP) 237 @echo "ERROR: RUMP_SYMREN can only be used standalone" 238 @false 239.endif 240.if defined(RUMP_SYMREN) 241 ${_MKMSG} " symbol rename " ${RUMP_SYMREN} 242.else 243 ${_MKTARGET_BUILD} 244 rm -f ${.TARGET} 245.endif 246 for renameobj in ${RUMP_SYMREN:U${.ALLSRC:C/(${RUMPOBJ_NORENAME:ts|})//g}}; do \ 247 ${NM} -go $${renameobj} | ${TOOL_AWK} ' \ 248 $$NF!~/^'${_PQ}'(rump|RUMP|__|_GLOBAL_OFFSET_TABLE|\.TOC\.'${_SYMQUIRK}'${RUMP_SYM_NORENAME:D|${RUMP_SYM_NORENAME}})/ \ 249 {s=$$NF;sub(/^'${_PQ}'/, "&rumpns_", s); print $$NF, s}'\ 250 | sort | uniq > renametab.$${renameobj}; \ 251 ${OBJCOPY} --preserve-dates --redefine-syms \ 252 renametab.$${renameobj} $${renameobj}; \ 253 rm -f renametab.$${renameobj}; \ 254 done 255.if !defined(RUMP_SYMREN) 256 ${AR} ${_ARFL} ${.TARGET} \ 257 `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}` 258.endif 259 260COMMENT?= (no description) 261rumpdescribe: .PHONY 262 @printf '%-24s %s\n' '${LIB}' '${COMMENT}' 263 264CPPFLAGS+= ${CPPIFLAGS} 265LINTFLAGS+= ${CPPIFLAGS:S/^/-Z /} 266 267_BSD_IOCONF_MK_USER_=1 268.include <bsd.ioconf.mk> 269 270.-include "${NETBSDSRCDIR}/sys/arch/${MACHINE_CPU}/include/Makefile.inc" 271.-include "${NETBSDSRCDIR}/sys/arch/${MACHINE}/include/Makefile.inc" 272 273.endif # _RUMP_MK 274