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Use -znorelro for kernel modules, when they are linked as shared
binaries (e.g. on any arch except amd64 and mips). Otherwise, with lld 9, after https://reviews.llvm.org/rLLD356117, the modules will get an additional PT_LOAD segment, which blows up kldxref, since that has a hardcoded limit of 3 segments. I could have alternatively bumped up that limit, but since kernel modules do not use relro, the simplest workaround is to explicitly disable it.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/projects/clang900-import/; revision=352098
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@ -230,7 +230,7 @@ ${PROG}.debug: ${FULLPROG}
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.if ${__KLD_SHARED} == yes
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${FULLPROG}: ${KMOD}.kld
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${LD} -m ${LD_EMULATION} -Bshareable -znotext ${_LDFLAGS} \
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${LD} -m ${LD_EMULATION} -Bshareable -znotext -znorelro ${_LDFLAGS} \
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-o ${.TARGET} ${KMOD}.kld
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.if !defined(DEBUG_FLAGS)
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${OBJCOPY} --strip-debug ${.TARGET}
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