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Re: siginfo and core files

From: Pedro Alves <palves at redhat dot com>
To: jmf list <jmf dot list at gmail dot com>
Cc: gdb at sourceware dot org
Date: Fri, 25 May 2012 15:21:09 +0100
Subject: Re: siginfo and core files
References: <CALuSdM9fTir4su5HpqYqRbOdG0aMf6Kvq83=qua39Jdo96Mvzg@mail.gmail.com>

On 05/25/2012 02:53 PM, jmf list wrote:

> Is it possible to access the si_addr and si_signo siginfo fields from
> a core dump in GDB?

> When debugging a live process I access these

> values via the $_siginfo convenience var. I am not sure if both of
> these values are normally stored in a core dump, or if they are
> accessible via GDB.

I don't think the whole siginfo object is stored on core files.

See /usr/include/linux/elfcore.h .  The elf_prstatus and elf_prpsinfo
structures is what is put in the core.   We can retrieve some info, but
unfortunately, it doesn't look like si_addr is anywhere to be found.

-- 
Pedro Alves

References:
- siginfo and core files
  - From: jmf list

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