[Bug gdb/13238] New: GDB does not understand well the bit field.

["abhijit.k.halder at gmail dot com"<sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13238

             Bug #: 13238
           Summary: GDB does not understand well the bit field.
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: abhijit.k.halder@gmail.com
    Classification: Unclassified


GDB does not understand well the bit field.

ahalder@ahalder-VirtualBox:~/test$ gdb ./a.out 
GNU gdb (GDB) 7.3.50.20110921-cvs
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/ahalder/test/a.out...done.
(gdb) b main
Breakpoint 1 at 0x804839a: file test.c, line 23.
(gdb) r
Starting program: /home/ahalder/test/a.out 

Breakpoint 1, main (argc=1, argv=0xbffff474) at test.c:23
23      return (SUCCESS);
(gdb) ptype bf
type = struct BitField_t {
    unsigned int f1 : 1;
    unsigned int f7 : 7;
}
(gdb) ptype bf.f1
type = unsigned int
(gdb) ptype bf.f7
type = unsigned int
(gdb) p sizeof(bf)
$1 = 4
(gdb) p sizeof(bf.f1)
$2 = 4
(gdb) p sizeof(bf.f7)
$3 = 4
(gdb)

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