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help: gdb with no ROM/Flash

From: "Kam Lee" <kamlee at kendin dot com>
To: <gdb at sources dot redhat dot com>
Date: Tue, 1 Oct 2002 17:42:48 -0700
Subject: help: gdb with no ROM/Flash
References: <NGBBJBGIILBMOINAKFMNCEAGCBAA.wxdai@utstar.com>

Hi all,
I would like to get help to gdb a target without loading a file, it is a
boot program stored in Flash memory.
After GDB start, I use "set $pc=x" to the particular address, let say this
particular address is 0.
By dumping the address x/x 0, I can see valid instructions.
By doing "disas", I got "No function contains program for selected frame."
By doing "stepi", I got "Cannot access memory at .

Any help is appreciated.
Regards

References:
- RE: gdbserver with PowerPC 8260
  - From: Wenxiang Dai

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