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[Bug gdb/13238] New: GDB does not understand well the bit field.
- From: "abhijit.k.halder at gmail dot com"<sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Fri, 30 Sep 2011 07:21:53 +0000
- Subject: [Bug gdb/13238] New: GDB does not understand well the bit field.
- Auto-submitted: auto-generated
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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