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RE: Thread "program counter" for SPARC platform.


Thanks Anthony for your quick response. I looked at
the hal_thread_switch_context ealier. That function 
saves all the current register of the SPARC platform.
However I didnt see any program counter there. 
         thanks 
                 Ottawa  

--- "amassa@san.rr.com" <amassa@san.rr.com> wrote:
> 
> You can see what is being stored during a context
> switch in
> /packages/hal/sparc/arch/current/src/context.S in
> the function
> hal_thread_switch_context.
> 
> You can parse through here and get the current
> location saved for the
> current thread.
> 
> --Anthony
> 
> 
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> 
> Hello,
> I am using ECOS in a SPARC platform. 
> 
> I am trying to implement something that would give
> the
> PC of every task running in the system.
> I can walk through the list of all task then print
> information about every task. I print the stack_ptr
> by
> calling get_saved_context(). I assumed the all
> registers are saved into stack during the context 
> Can
> anyone suggest how I could figure out the  PC and
> nPc
> from stack. Following is the example .
> 
>         Cyg_Thread *t = Cyg_Thread::get_list_head();
> 
>         printf("\nThreads:\n\n");
>     
>         while( NULL != t )
>         {
> 
> 		printf( "%20s stack base = %08x ptr = %08x size =
> %08x\n",
>                          "",
>                          t->get_stack_base(),
>                          t->get_saved_context(),
>                          t->get_stack_size()
>                 );
> 
>  		t = t->get_list_next();
> 	}
> 
> 
> 
> Thanks 
>        Ottawa
> 
> 
>
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