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Re: problem printing enums as integers with dwarf2
- From: Jim Blandy <jimb at redhat dot com>
- To: Kevin Nomura <nomura at netapp dot com>
- Cc: gdb at sources dot redhat dot com
- Date: 10 Nov 2003 18:32:35 -0500
- Subject: Re: problem printing enums as integers with dwarf2
- References: <20031107232037.GK4286@bughouse.netapp.com>
Not known to me, at least. Please go ahead and file a bug for this,
and I'll take it.
Kevin Nomura <nomura@netapp.com> writes:
> Before filing a bug I'd like to check if I'm missing
> something obvious. A C enum is defined with elements
> x0, x1, ..., x999 starting at 0 and incrementing naturally
> with no "=" reassignments. It is compiled on Linux redhat 8
> (for example) which uses dwarf2 by default: gcc -g enum.c
>
> x129 is printed as an integer:
>
> (gdb) p/d x129
> $2 = -127
>
> I expected 129.
>
> Compile with stabs explicitly and get the expected behaviour:
>
> [siml4]$ gcc -gstabs enum.c
> [siml4]$ gdb a.out
> GNU gdb Red Hat Linux (5.2.1-4)
> Copyright 2002 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "i386-redhat-linux"...
> (gdb) p x129
> $1 = x129
> (gdb) p/d x129
> $2 = 129
> (gdb)
>
> Here is a testcase generator in perl to declare the 1000 element enum.
>
>
>
> #!/usr/bin/perl -w
> use strict
>
> print "enum e {\n";
>
> for ($i=0; $i<1000; $i++) { printf "\tx%d,\n", $i }
> print <<EOF;
> };
>
> main()
> {
> printf ("%d\\n", x129);
> }
> EOF