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Annotation of src/sys/rump/Makefile.rump, Revision 1.57

1.57    ! pooka       1: #      $NetBSD: Makefile.rump,v 1.56 2010/04/26 23:01:53 pooka Exp $
1.1       pooka       2: #
                      3:
1.33      lukem       4: WARNS?=                3       # XXX: src/sys won't compile with -Wsign-compare yet
1.10      pooka       5: NOLINT=                # kernel code
1.1       pooka       6:
1.20      pooka       7: .include <bsd.own.mk>
                      8:
1.51      pooka       9: # If RUMPKMOD is _not_ set (only on capable archs, from bsd.own.mk),
                     10: # use rump ABI instead of the NetBSD kernel ABI.
1.31      he         11: .ifndef RUMPKMOD
1.18      pooka      12: CPPFLAGS:=     -I${RUMPTOP}/include ${CPPFLAGS}
1.57    ! pooka      13: CPPFLAGS+=     -D_RUMPKERNEL
1.56      pooka      14: .else
                     15: CPPFLAGS+=     -D_RUMP_NATIVE_ABI
1.18      pooka      16: .endif
                     17:
1.22      pooka      18: CFLAGS+=       -ffreestanding -fno-strict-aliasing
1.50      pooka      19: CWARNFLAGS+=   -Wno-format-zero-length -Wno-pointer-sign
1.23      pooka      20: CPPFLAGS+=     -D_KERNEL -DMULTIPROCESSOR -D_MODULE -DMODULAR
1.21      pooka      21: CPPFLAGS+=     -DMAXUSERS=32
1.17      pooka      22: CPPFLAGS+=     -DDIAGNOSTIC
1.32      pooka      23: CPPFLAGS+=     -DCOMPAT_50
1.38      pooka      24: CPPFLAGS+=     -DDEBUGPRINT
1.15      pooka      25: CPPFLAGS+=     -I${.CURDIR} -I.
1.14      pooka      26: CPPFLAGS+=     -I${RUMPTOP}/../../common/include -I${RUMPTOP}/../arch
1.18      pooka      27: CPPFLAGS+=     -I${RUMPTOP}/include
1.21      pooka      28: CPPFLAGS+=     -I${RUMPTOP}/librump/rumpkern/opt
1.10      pooka      29: CPPFLAGS+=     -nostdinc -I${RUMPTOP}/..
1.45      pooka      30: LDFLAGS+=      -T ${RUMPTOP}/ldscript.rump
1.10      pooka      31: #CPPFLAGS+=    -DDEBUG
1.1       pooka      32:
1.42      pooka      33: # kernel libs should not get linked against libc
1.43      pooka      34: # XXX: actually, we would like to enable this but cannot, since it
                     35: # also leaves out libgcc, it causes problems on some platforms.
                     36: # revisit some day.
                     37: #LDFLAGS+=     -nodefaultlibs
1.42      pooka      38:
1.39      pooka      39: # make sure __NetBSD__ gets defined (for builds on non-NetBSD)
                     40: CPPFLAGS+=     -D__NetBSD__
                     41:
1.11      pooka      42: RUMPKERNEL=    This is NetBSD and I am the rump.  Good evening.
                     43:
1.13      pooka      44: # workaround: evbppc is not a well-defined arch
                     45: .if (${MACHINE} == "evbppc")
1.16      pooka      46: CPPFLAGS+=     -DPPC_OEA
1.13      pooka      47: .endif
                     48:
1.25      pooka      49: # If this file changes, we need a full rebuild
                     50: DPSRCS+=       ${RUMPTOP}/Makefile.rump
1.24      pooka      51:
                     52: #
                     53: # Rename library symbols before use.  If a symbol does not already belong
                     54: # to a rump namespace ("rump" or "RUMP"), prefix it with "rumpns".  This
                     55: # avoids accidentally linking any kernel symbol against host platform
                     56: # libraries.  The only non-renamed symbols are linkset delimiters and
                     57: # the GOT, which are more a property of the compiler than the kernel.
                     58: #
1.29      pooka      59: # Some toolchains generate unresolved symbols which are supposed to be
                     60: # satisfied by the toolchain itself when the program is linked.
                     61: # Unfortunately, we do not know which of the symbols are generated by
                     62: # the toolchain.  Worse, they vary from platform to platform and
                     63: # toolchain to toolchain.  The good news, however, is that this will
                     64: # be detected by a compile-time failure, so we can fairly easily manage
                     65: # a quirktable here.
1.46      pooka      66: #
                     67: # We also allow calling ourselves externally with e.g.:
                     68: # make -f /sys/rump/Makefile.rump RUMP_SYMREN=ffs.kobj
                     69: #
1.29      pooka      70: .if ${MACHINE_CPU} == "mips"
                     71: _SYMQUIRK='|_gp_disp'
                     72: .elif ${MACHINE_CPU} == "hppa"
                     73: _SYMQUIRK='|\$$\$$'
1.54      mrg        74: .elif ${MACHINE_ARCH} == "powerpc64"
1.55      mrg        75: _SYMQUIRK="|PF_funcs"
                     76: .endif
                     77:
                     78: #
                     79: # Prefix quirks.  At least one toolchain generates global
                     80: # symbols with prefixes which really need to remain as prefixes
                     81: # (i.e. the '.' on the front of some ppc64 globals).  The
                     82: # way to know if you have the problem is if you get later
                     83: # complaints about symbols like 'rumpns_XrumpBLAH' or 'XrumpBLAH';
                     84: # the 'X' part was added by the toolchain and will need to
                     85: # be mentioned here.
                     86: #
                     87: .if ${MACHINE_ARCH} == "powerpc64"
                     88: _PQ="\.?"
                     89: .else
                     90: _PQ=
1.29      pooka      91: .endif
1.46      pooka      92:
                     93: rump_symren: __archivebuild
                     94: .if !defined(RUMP_SYMREN)
                     95:        @echo "Must supply RUMP_SYMREN for target rump_symren"
                     96:        @false
                     97: .endif
                     98:
                     99: # if we are called from lib build (RUMP_SYMREN is not specified),
                    100: # build the arrrrchive.  otherwise just rename symbols.
1.24      pooka     101: __archivebuild: .USE
1.46      pooka     102: .if defined(RUMP_SYMREN) && defined(RUMPTOP)
                    103:        @echo "ERROR: RUMP_SYMREN can only be used standalone"
                    104:        @false
                    105: .endif
                    106: .if defined(RUMP_SYMREN)
                    107:        ${_MKMSG} " symbol rename " ${RUMP_SYMREN}
                    108: .else
1.24      pooka     109:        ${_MKTARGET_BUILD}
                    110:        rm -f ${.TARGET}
1.34      pooka     111:        ${AR} ${_ARFL} ${.TARGET} `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}`
1.46      pooka     112: .endif
                    113:        ${NM} -go ${RUMP_SYMREN:U${.TARGET}} | ${TOOL_AWK} '    \
1.55      mrg       114:            $$NF!~/^'${_PQ}'(rump|RUMP|__|_GLOBAL_OFFSET_TABLE'${_SYMQUIRK}')/ \
                    115:              {s = $$NF; sub(/^'${_PQ}'/, "&rumpns_", s); print $$NF, s}' \
1.24      pooka     116:            | sort | uniq  > renametab.${.TARGET}
1.37      pooka     117:        ${OBJCOPY} --preserve-dates --redefine-syms \
1.46      pooka     118:            renametab.${.TARGET} ${RUMP_SYMREN:U${.TARGET}}
1.24      pooka     119:        rm -f renametab.${.TARGET}
1.46      pooka     120: .if !defined(RUMP_SYMREN)
1.36      perry     121:        ${AR} ${_ARRANFL} ${.TARGET}
1.46      pooka     122: .endif
1.47      pooka     123:
1.53      pooka     124: _BSD_IOCONF_MK_USER_=1
                    125: .include <bsd.ioconf.mk>
1.47      pooka     126:
1.44      pooka     127: .-include "${NETBSDSRCDIR}/sys/arch/${MACHINE_CPU}/include/Makefile.inc"
                    128: .-include "${NETBSDSRCDIR}/sys/arch/${MACHINE}/include/Makefile.inc"