Annotation of src/sys/rump/Makefile.rump, Revision 1.52.2.3
1.52.2.2 rmind 1: # $NetBSD$
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}
1.52.2.1 rmind 13: CPPFLAGS+= -D_RUMPKERNEL
14: .else
15: CPPFLAGS+= -D_RUMP_NATIVE_ABI
1.18 pooka 16: .endif
17:
1.22 pooka 18: CFLAGS+= -ffreestanding -fno-strict-aliasing
1.52.2.3! rmind 19: .if defined(HAVE_GCC) && ${HAVE_GCC} >= 3
! 20: CFLAGS+= -Wsign-compare
! 21: CFLAGS+= -Wno-pointer-sign -Wno-attributes
! 22: CFLAGS+= -std=gnu99
! 23: .endif
1.50 pooka 24: CWARNFLAGS+= -Wno-format-zero-length -Wno-pointer-sign
1.23 pooka 25: CPPFLAGS+= -D_KERNEL -DMULTIPROCESSOR -D_MODULE -DMODULAR
1.21 pooka 26: CPPFLAGS+= -DMAXUSERS=32
1.17 pooka 27: CPPFLAGS+= -DDIAGNOSTIC
1.52.2.2 rmind 28: CPPFLAGS+= -DCOMPAT_50=1
1.38 pooka 29: CPPFLAGS+= -DDEBUGPRINT
1.15 pooka 30: CPPFLAGS+= -I${.CURDIR} -I.
1.52.2.2 rmind 31: CPPFLAGS+= -I${RUMPTOP}/../../common/include -isystem ${RUMPTOP}/../arch
1.18 pooka 32: CPPFLAGS+= -I${RUMPTOP}/include
1.21 pooka 33: CPPFLAGS+= -I${RUMPTOP}/librump/rumpkern/opt
1.52.2.2 rmind 34: CPPFLAGS+= -nostdinc -isystem ${RUMPTOP}/..
1.45 pooka 35: LDFLAGS+= -T ${RUMPTOP}/ldscript.rump
1.10 pooka 36: #CPPFLAGS+= -DDEBUG
1.1 pooka 37:
1.52.2.2 rmind 38: .ifdef RUMP_LOCKDEBUG
39: CPPFLAGS+= -DLOCKDEBUG
40: .endif
41:
1.42 pooka 42: # kernel libs should not get linked against libc
1.43 pooka 43: # XXX: actually, we would like to enable this but cannot, since it
44: # also leaves out libgcc, it causes problems on some platforms.
45: # revisit some day.
46: #LDFLAGS+= -nodefaultlibs
1.42 pooka 47:
1.39 pooka 48: # make sure __NetBSD__ gets defined (for builds on non-NetBSD)
49: CPPFLAGS+= -D__NetBSD__
50:
1.11 pooka 51: RUMPKERNEL= This is NetBSD and I am the rump. Good evening.
52:
1.13 pooka 53: # workaround: evbppc is not a well-defined arch
54: .if (${MACHINE} == "evbppc")
1.16 pooka 55: CPPFLAGS+= -DPPC_OEA
1.13 pooka 56: .endif
57:
1.25 pooka 58: # If this file changes, we need a full rebuild
59: DPSRCS+= ${RUMPTOP}/Makefile.rump
1.24 pooka 60:
61: #
62: # Rename library symbols before use. If a symbol does not already belong
63: # to a rump namespace ("rump" or "RUMP"), prefix it with "rumpns". This
64: # avoids accidentally linking any kernel symbol against host platform
65: # libraries. The only non-renamed symbols are linkset delimiters and
66: # the GOT, which are more a property of the compiler than the kernel.
67: #
1.29 pooka 68: # Some toolchains generate unresolved symbols which are supposed to be
69: # satisfied by the toolchain itself when the program is linked.
70: # Unfortunately, we do not know which of the symbols are generated by
71: # the toolchain. Worse, they vary from platform to platform and
72: # toolchain to toolchain. The good news, however, is that this will
73: # be detected by a compile-time failure, so we can fairly easily manage
74: # a quirktable here.
1.46 pooka 75: #
76: # We also allow calling ourselves externally with e.g.:
77: # make -f /sys/rump/Makefile.rump RUMP_SYMREN=ffs.kobj
78: #
1.29 pooka 79: .if ${MACHINE_CPU} == "mips"
80: _SYMQUIRK='|_gp_disp'
81: .elif ${MACHINE_CPU} == "hppa"
82: _SYMQUIRK='|\$$\$$'
1.52.2.1 rmind 83: .elif ${MACHINE_ARCH} == "powerpc64"
84: _SYMQUIRK="|PF_funcs"
85: .endif
86:
87: #
88: # Prefix quirks. At least one toolchain generates global
89: # symbols with prefixes which really need to remain as prefixes
90: # (i.e. the '.' on the front of some ppc64 globals). The
91: # way to know if you have the problem is if you get later
92: # complaints about symbols like 'rumpns_XrumpBLAH' or 'XrumpBLAH';
93: # the 'X' part was added by the toolchain and will need to
94: # be mentioned here.
95: #
96: .if ${MACHINE_ARCH} == "powerpc64"
97: _PQ="\.?"
98: .else
99: _PQ=
1.29 pooka 100: .endif
1.46 pooka 101:
102: rump_symren: __archivebuild
103: .if !defined(RUMP_SYMREN)
104: @echo "Must supply RUMP_SYMREN for target rump_symren"
105: @false
106: .endif
107:
108: # if we are called from lib build (RUMP_SYMREN is not specified),
109: # build the arrrrchive. otherwise just rename symbols.
1.24 pooka 110: __archivebuild: .USE
1.46 pooka 111: .if defined(RUMP_SYMREN) && defined(RUMPTOP)
112: @echo "ERROR: RUMP_SYMREN can only be used standalone"
113: @false
114: .endif
115: .if defined(RUMP_SYMREN)
116: ${_MKMSG} " symbol rename " ${RUMP_SYMREN}
117: .else
1.24 pooka 118: ${_MKTARGET_BUILD}
119: rm -f ${.TARGET}
1.34 pooka 120: ${AR} ${_ARFL} ${.TARGET} `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}`
1.46 pooka 121: .endif
122: ${NM} -go ${RUMP_SYMREN:U${.TARGET}} | ${TOOL_AWK} ' \
1.52.2.1 rmind 123: $$NF!~/^'${_PQ}'(rump|RUMP|__|_GLOBAL_OFFSET_TABLE'${_SYMQUIRK}')/ \
124: {s = $$NF; sub(/^'${_PQ}'/, "&rumpns_", s); print $$NF, s}' \
1.24 pooka 125: | sort | uniq > renametab.${.TARGET}
1.37 pooka 126: ${OBJCOPY} --preserve-dates --redefine-syms \
1.46 pooka 127: renametab.${.TARGET} ${RUMP_SYMREN:U${.TARGET}}
1.24 pooka 128: rm -f renametab.${.TARGET}
1.46 pooka 129: .if !defined(RUMP_SYMREN)
1.36 perry 130: ${AR} ${_ARRANFL} ${.TARGET}
1.46 pooka 131: .endif
1.47 pooka 132:
1.52.2.1 rmind 133: _BSD_IOCONF_MK_USER_=1
134: .include <bsd.ioconf.mk>
1.47 pooka 135:
1.44 pooka 136: .-include "${NETBSDSRCDIR}/sys/arch/${MACHINE_CPU}/include/Makefile.inc"
137: .-include "${NETBSDSRCDIR}/sys/arch/${MACHINE}/include/Makefile.inc"
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