Well, all of the actual yamlization code in obj2yaml and yaml2obj is library-ized, so you could always add the real code there, then have core2yaml just link against it On Wed, Mar 6, 2019 at 5:11 AM Pavel Labath <pa...@labath.sk> wrote:
> On 05/03/2019 22:52, Zachary Turner wrote: > > > > > > On Tue, Mar 5, 2019 at 1:47 PM Jonas Devlieghere via lldb-dev > > <lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org>> wrote: > > > > > > I don't know much about the minidump format or code, but it sounds > > reasonable for me to have support for it in yaml2obj, which would be > > a sufficient motivation to have the code live there. As you mention > > in your footnote, MachO core files are already supported, and it > > sounds like ELF could reuse a bunch of existing code as well. So > > having everything in LLVM would give you even more symmetry. I also > > doubt anyone would mind having more fine grained yamlization, even > > if you cannot use it to reduce a test it's nicer to see structure > > than a binary blob (imho). Anyway, that's just my take, I guess this > > is more of a question for the LLVM mailing list. > > > > A lot of obj2yaml output is just "Section Name" / "Section Contents" and > > then a long hex string consisting of the contents. Since a core file is > > an ELF file, this would already be supported for obj2yaml today (in > > theory) > > Actually, even this is not true. An elf *core file* is an *elf file*, > but it contains no sections. It contains "segments" instead. :P obj2yaml > has absolutely no support for segments so if you try it to yamlize a > core file, you will get an empty output. > > Interestingly, yaml2obj does contain some support for segments, but its > extremely limited, and can only be used to create very simple > "executable" files. Core files still cannot be represented there right > now, as yaml2obj is still very section-centric. > > > However, I do see the appeal in having a single tool for yamlization of > various "object" file formats, so I am going to send an email to > llvm-dev and see what the response is like there. I'd encourage anyone > interested in this to voice your opinion there too. > > regards, > pavel >
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