Re: [Question] Is there a way to specify an offset to the loaded symbols?
Christian Biesinger via Gdb <[email protected]>
| Newsgroups | gmane.comp.gdb.devel |
|---|---|
| Message-ID | <CAPTJ0XFkJJ=hPwzfN6LKeL-xGOuHJDkeq8cfSL2hxy3GOXHvEA@mail.gmail.com> |
On Thu, Oct 29, 2020 at 9:23 AM Marten Ringwelski <[email protected]> wrote: > > Hello, > for some reason that is not important here I need to debug a binary that is executed by calling the linker manually. > In my case I do `/lib/ld-musl-x86_64.so.1 binary`. > The problem with this is that gdb now obviously thinks that I want to debug `/lib/ld-musl-x86_64.so.1`. This is not the case. > Loading the symbols from `binary` does not help since the the linker loads the process into memory and the jumps to its main. > > In other words I have the symbols for the binary to be debugged but the binary is loaded into memory with an offset so the symbols are offseted. > Is there any way to get this working? add-symbol-file lets you specify an address but maybe it's easier if you just use patchelf --set-interpreter to make it use /lib/ld-musl-x86_64.so.1 Christian