From: Christian Biesinger <cbiesinger@google.com>
To: Marten Ringwelski <git@maringuu.de>
Cc: Reuben Thomas via Gdb <gdb@sourceware.org>
Subject: Re: [Question] Is there a way to specify an offset to the loaded symbols?
Date: Thu, 29 Oct 2020 13:29:51 +0100 [thread overview]
Message-ID: <CAPTJ0XFkJJ=hPwzfN6LKeL-xGOuHJDkeq8cfSL2hxy3GOXHvEA@mail.gmail.com> (raw)
In-Reply-To: <C6P83HUYSLQG.1C4V3A4P7XZDD@marten-xps>
On Thu, Oct 29, 2020 at 9:23 AM Marten Ringwelski <git@maringuu.de> 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
next prev parent reply other threads:[~2020-10-29 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 8:13 Marten Ringwelski
2020-10-29 12:29 ` Christian Biesinger [this message]
2020-10-29 15:26 ` Marten Ringwelski
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