[cfe-users] How to dump the vtable's or record's layout?

don hinton via cfe-users cfe-users at lists.llvm.org
Mon Sep 14 14:24:29 PDT 2015


As per Reid's early response, try adding -emit-llvm-only or -emit-obj.

http://clang-developers.42468.n3.nabble.com/Clang-3-4-fdump-record-layouts-not-producing-any-results-td4036285.html


On Mon, Sep 14, 2015 at 1:27 PM, Yi-Hong Lyu via cfe-users <
cfe-users at lists.llvm.org> wrote:

> Hello all,
>
> I would like to dump the vtable's or record's layout therefore I download
> the binary of Clang 3.7 for Linux from official site. But I got nothing
> with:
>
> $ clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang++ -cc1
> -fdump-vtable-layouts vtable.cpp
>
> or
>
> $ clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang++ -cc1
> -fdump-record-layouts vtable.cpp
>
> I am wondering how to dump vtable's or record's layout? Is there anything
> wrong with my instructions?
>
> Thanks,
> Yi-Hong
>
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