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m68k gdb issue with skyeye
- From: Joel Sherrill <joel dot sherrill at oarcorp dot com>
- To: <gdb at sourceware dot org>, kang shuo <blackfin dot kang at gmail dot com>
- Date: Mon, 11 Aug 2008 21:46:06 -0500
- Subject: m68k gdb issue with skyeye
Michael Kang and I have run into something with
m68k gdb and don't know how to fix it. The executable
is for a coldfire mc5272.
With m68k-rtems* (basically m68k-elf) on gdb 6.8,
connecting to the Skyeye gdbserver gives this.
(gdb) tar remote :12345
Remote debugging using :12345
Remote 'g' packet reply is too long:
Michael tried gdb 6.8 targeting m68k-linux and
it connects OK.
I tried gdb 6.6 m68k-rtems and it connects and
appears to work OK.
It looks like the way the maximum packet size is
calculated has changed since 6.6 and is dependent
on number of registers.
Does anyone see what the subtle difference is that
is breaking it for m68k-rtems?
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill@OARcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985