On 1/12/19, Oliver Pinter <oliver.pinter_at_hardenedbsd.org> wrote: > On 1/12/19, Dimitry Andric <dim_at_freebsd.org> wrote: >> On 12 Jan 2019, at 19:40, Oliver Pinter <oliver.pinter_at_hardenedbsd.org> >> wrote: >>> According the following comment in ${SRCTOP}/sys/conf/kern.mk: >>> >>> # >>> # Add -gdwarf-2 when compiling -g. The default starting in clang v3.4 >>> # and gcc 4.8 is to generate DWARF version 4. However, our tools don't >>> # cope well with DWARF 4, so force it to genereate DWARF2, which they >>> # understand. Do this unconditionally as it is harmless when not needed, >>> # but critical for these newer versions. >>> # >>> .if ${CFLAGS:M-g} != "" && ${CFLAGS:M-gdwarf*} == "" >>> CFLAGS+= -gdwarf-2 >>> .endif >>> >>> this dwarf2 limitation still exists in today's HEAD? >>> >>> I mean the FreeBSD project switched to elftoolchain and mostly to LLVM >>> tools. LLDB is compiled by default on 13-CURRENT (~ HEAD) and the kgdb >>> has moved under the libexec directory, to hide them from the common >>> usage. >> >> See https://reviews.freebsd.org/D17930, where there is a proposed patch >> for this very topic. > > Thanks! > > From the other side, is there any result from the GSoC14's klldb? > I can't really find any info in the project's github branch, but I've found > this > patch: https://reviews.llvm.org/rLLDB314672 . And probably found them: https://reviews.llvm.org/D10216 . > > > >> >> -Dimitry >> >> >Received on Sat Jan 12 2019 - 18:26:17 UTC
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