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Re: examine memory coomand

From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
To: John Smith <horserivers at gmail dot com>
Cc: gdb at sourceware dot org
Date: Mon, 20 Aug 2012 10:34:21 +0200
Subject: Re: examine memory coomand
References: <CAJR88phg3Z2tC4LJvTzw1CHdkYjD9qxJdQ+fBeujT41HbfWg6w@mail.gmail.com>

On Mon, 20 Aug 2012 10:27:12 +0200, John Smith wrote:
>    when gdb try to get memory data  from "examine " command , is  it
> get  data  from  pythical memory with a  "mov" operation  or from
> memory map  file?

Assuming GNU/Linux OS here.

It is read by PTRACE_PEEKDATA or from /proc/PID/mem.  It is virtual address
space of the process (not physical memory), as provided by kernel.

Jan

References:
- examine memory coomand
  - From: John Smith

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