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[Simulavr-devel] Error during debug with gdb


From: BretBorman
Subject: [Simulavr-devel] Error during debug with gdb
Date: Mon, 20 Jun 2005 13:42:37 -0400

Hello,

Looking to find out the source of the error:

"Unhandled dwarf expression opcode 0x93"

I am running a program through the gdb, and when I do a p i command to look at 
the 'i' variable, I get the error code
above.  the source code is below.   Don't know if this is a simulavr, or gdb, 
or operator error thing.

----------------------------------------------

#include <avr/io.h>
#include <avr/delay.h>

int main (void)
{
int i=0;
      //set PORTD for output
      DDRC = 0xff;            //LEDs off
      //do wait till switch press loop
      while(PORTD == 0xff)
      {
            i=i;
      }
      while(1)
      {
            for(i=1; i<= 128; i= i*2)
            {
                  PORTC = i;
                  _delay_loop_2(1);
            }
            for(i= 128; i> 1; i-= i/2)
            {
                  PORTC = i;
                  _delay_loop_2(1);
            }
      }
      return 1;
}

Any thoughts would be helpful.  Thanks.

Bret Borman







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