133 lines
4.2 KiB
Makefile
133 lines
4.2 KiB
Makefile
# $NetBSD: Makefile.rump,v 1.59 2011/01/06 11:22:54 pooka Exp $
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#
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WARNS?= 3 # XXX: src/sys won't compile with -Wsign-compare yet
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NOLINT= # kernel code
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.include <bsd.own.mk>
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# If RUMPKMOD is _not_ set (only on capable archs, from bsd.own.mk),
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# use rump ABI instead of the NetBSD kernel ABI.
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.ifndef RUMPKMOD
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CPPFLAGS:= -I${RUMPTOP}/include ${CPPFLAGS}
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CPPFLAGS+= -D_RUMPKERNEL
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.else
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CPPFLAGS+= -D_RUMP_NATIVE_ABI
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.endif
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CFLAGS+= -ffreestanding -fno-strict-aliasing
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CWARNFLAGS+= -Wno-format-zero-length -Wno-pointer-sign
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CPPFLAGS+= -D_KERNEL -DMULTIPROCESSOR -D_MODULE -DMODULAR
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CPPFLAGS+= -DMAXUSERS=32
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CPPFLAGS+= -DDIAGNOSTIC
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CPPFLAGS+= -DCOMPAT_50
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CPPFLAGS+= -DDEBUGPRINT
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CPPFLAGS+= -I${.CURDIR} -I.
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CPPFLAGS+= -I${RUMPTOP}/../../common/include -isystem ${RUMPTOP}/../arch
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CPPFLAGS+= -I${RUMPTOP}/include
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CPPFLAGS+= -I${RUMPTOP}/librump/rumpkern/opt
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CPPFLAGS+= -nostdinc -isystem ${RUMPTOP}/..
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LDFLAGS+= -T ${RUMPTOP}/ldscript.rump
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#CPPFLAGS+= -DDEBUG
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.ifdef RUMP_LOCKDEBUG
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CPPFLAGS+= -DLOCKDEBUG
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.endif
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# kernel libs should not get linked against libc
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# XXX: actually, we would like to enable this but cannot, since it
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# also leaves out libgcc, it causes problems on some platforms.
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# revisit some day.
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#LDFLAGS+= -nodefaultlibs
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# make sure __NetBSD__ gets defined (for builds on non-NetBSD)
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CPPFLAGS+= -D__NetBSD__
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RUMPKERNEL= This is NetBSD and I am the rump. Good evening.
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# workaround: evbppc is not a well-defined arch
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.if (${MACHINE} == "evbppc")
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CPPFLAGS+= -DPPC_OEA
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.endif
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# If this file changes, we need a full rebuild
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DPSRCS+= ${RUMPTOP}/Makefile.rump
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#
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# Rename library symbols before use. If a symbol does not already belong
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# to a rump namespace ("rump" or "RUMP"), prefix it with "rumpns". This
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# avoids accidentally linking any kernel symbol against host platform
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# libraries. The only non-renamed symbols are linkset delimiters and
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# the GOT, which are more a property of the compiler than the kernel.
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#
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# Some toolchains generate unresolved symbols which are supposed to be
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# satisfied by the toolchain itself when the program is linked.
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# Unfortunately, we do not know which of the symbols are generated by
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# the toolchain. Worse, they vary from platform to platform and
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# toolchain to toolchain. The good news, however, is that this will
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# be detected by a compile-time failure, so we can fairly easily manage
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# a quirktable here.
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#
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# We also allow calling ourselves externally with e.g.:
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# make -f /sys/rump/Makefile.rump RUMP_SYMREN=ffs.kobj
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#
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.if ${MACHINE_CPU} == "mips"
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_SYMQUIRK='|_gp_disp'
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.elif ${MACHINE_CPU} == "hppa"
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_SYMQUIRK='|\$$\$$'
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.elif ${MACHINE_ARCH} == "powerpc64"
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_SYMQUIRK="|PF_funcs"
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.endif
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#
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# Prefix quirks. At least one toolchain generates global
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# symbols with prefixes which really need to remain as prefixes
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# (i.e. the '.' on the front of some ppc64 globals). The
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# way to know if you have the problem is if you get later
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# complaints about symbols like 'rumpns_XrumpBLAH' or 'XrumpBLAH';
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# the 'X' part was added by the toolchain and will need to
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# be mentioned here.
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#
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.if ${MACHINE_ARCH} == "powerpc64"
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_PQ="\.?"
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.else
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_PQ=
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.endif
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rump_symren: __archivebuild
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.if !defined(RUMP_SYMREN)
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@echo "Must supply RUMP_SYMREN for target rump_symren"
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@false
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.endif
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# if we are called from lib build (RUMP_SYMREN is not specified),
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# build the arrrrchive. otherwise just rename symbols.
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__archivebuild: .USE
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.if defined(RUMP_SYMREN) && defined(RUMPTOP)
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@echo "ERROR: RUMP_SYMREN can only be used standalone"
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@false
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.endif
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.if defined(RUMP_SYMREN)
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${_MKMSG} " symbol rename " ${RUMP_SYMREN}
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.else
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${_MKTARGET_BUILD}
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rm -f ${.TARGET}
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${AR} ${_ARFL} ${.TARGET} `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}`
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.endif
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${NM} -go ${RUMP_SYMREN:U${.TARGET}} | ${TOOL_AWK} ' \
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$$NF!~/^'${_PQ}'(rump|RUMP|__|_GLOBAL_OFFSET_TABLE'${_SYMQUIRK}')/ \
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{s = $$NF; sub(/^'${_PQ}'/, "&rumpns_", s); print $$NF, s}' \
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| sort | uniq > renametab.${.TARGET}
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${OBJCOPY} --preserve-dates --redefine-syms \
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renametab.${.TARGET} ${RUMP_SYMREN:U${.TARGET}}
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rm -f renametab.${.TARGET}
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.if !defined(RUMP_SYMREN)
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${AR} ${_ARRANFL} ${.TARGET}
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.endif
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_BSD_IOCONF_MK_USER_=1
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.include <bsd.ioconf.mk>
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.-include "${NETBSDSRCDIR}/sys/arch/${MACHINE_CPU}/include/Makefile.inc"
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.-include "${NETBSDSRCDIR}/sys/arch/${MACHINE}/include/Makefile.inc"
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