[Simulavr-devel] [patch #3453] gdbserver.c gdb_extract_hex_num(...) bug fix (for more recent gdb versions)

[Paul Schlie]

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 of the project: Simulavr: an AVR simulator.




/**************************************************************************/
[patch #3453] Full Item Snapshot:

URL: <http://savannah.nongnu.org/patch/?func=detailitem&item_id=3453>
Project: Simulavr: an AVR simulator
Submitted by: Paul Schlie
On: Mon 10/18/2004 at 12:48

Category:  bug fix
Priority:  9 - Immediate
Resolution:  None
Privacy:  Public
Assigned to:  None
Originator Email:  
Status:  Open


Summary:  gdbserver.c gdb_extract_hex_num(...) bug fix (for more recent gdb 
versions)

Original Submission:  static int
gdb_extract_hex_num (char **pkt, char stop)
{
    int i = 0;
    int num = 0;
    char *p = *pkt;
    int max_shifts = sizeof (int) * 2 - 1; /* max number of nibbles to shift
                                              through */

    while ((*p != stop) && (*p != ''))
    {
        if (i > max_shifts)
            avr_error ("number too large");

/* This is broken for values encoded with greater than two hex digits, which
    is typical in gdb sessions when leading 0's are encoded for integer values
        num = (num << (i * 4)) | hex2nib (*p);  (replaced by following line) */
        num = (num << 4) | hex2nib (*p);
        i++;
        p++;
    }

    *pkt = p;
    return num;
}












For detailed info, follow this link:
<http://savannah.nongnu.org/patch/?func=detailitem&item_id=3453>

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