Em Tue, Mar 03, 2020 at 08:29:39PM -0800, Andrii Nakryiko escreveu: > On Tue, Mar 3, 2020 at 6:11 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > On Tue, Mar 03, 2020 at 01:50:52PM -0800, Andrii Nakryiko wrote: > > > On Tue, Mar 3, 2020 at 1:06 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > > > On Mon, Mar 02, 2020 at 10:55:04PM -0800, Andrii Nakryiko wrote: > > > > > On Mon, Feb 24, 2020 at 9:17 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > > > > > LLVM_OBJCOPY=${OBJCOPY} ${PAHOLE} -J ${1} > > > > > > > > > > > > # dump .BTF section into raw binary file to link with final vmlinux > > > > BTW, in looking at BTF generation, why is this cut up into three steps: > > > > pahole, objcopy, objcopy... shouldn't pahole just gross an output method > > > > to dump the final .o file? That would be MUCH nicer. Especially since > > > > the first step ends up rewriting (?!) the original ELF. This is a lot of > > > > needless IO... > > > Just mostly historical reasons, that was the interface pahole already > > > supported. I agree that it's a good idea to teach pahole to just emit > > > a binary BTF section dump. > > /me adds it to giant TODO list ;) Mine is giant as well, but adding it anyway... :-) - Arnaldo