gdb hardware breakpoints under Linux PPC?

gdb hardware breakpoints under Linux PPC?

[Craig Rodrigues]

Hello,

I am debugging a problem with an application that
works under x86 based Redhat Linux 6.2, but
suffers a bizarre memory corruption under LinuxPPC 2000-Q4.
I am using gdb version 5 (gdb 5.05 rpm that comes with LinuxPPC).

I would like to set a hardware watchpoint under gdb
on a certain region of memory, to see why it is getting
clobbered (the element getting clobbered under PPC is
a dynamically allocated structure in a linked list).  Does
gdb 5 support hardware watchpoints under Linux PPC?

Can someone give me an example of how to set a watchpoint?
The gdb manual is a bit vague in explaining this.

Thanks.
--
Craig Rodrigues
http://www.gis.net/~craigr
rodrigc@mediaone.net

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Re: gdb hardware breakpoints under Linux PPC?

[Kevin Buettner]

On Apr 21,  4:51pm, Craig Rodrigues wrote:

> Does gdb 5 support hardware watchpoints under Linux PPC?

No.  GDB doesn't (at the moment anyway) have support for hardware
watchpoints on Linux/PPC.  It would be possible to implement this
support, be it would be necessary to have kernel support in place
first...

Kevin

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