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Re: RFC: Print the type of a C value in one more case
- From: Kevin Buettner <kevinb at redhat dot com>
- To: Daniel Jacobowitz <drow at false dot org>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Thu, 10 Mar 2005 15:14:41 -0700
- Subject: Re: RFC: Print the type of a C value in one more case
- Organization: Red Hat
- References: <20050306174529.GA20867@nevyn.them.org>
On Sun, 6 Mar 2005 12:45:29 -0500
Daniel Jacobowitz <drow@false.org> wrote:
> This is something that constantly bugs me when debugging GCC. GCC has
> typedefs for "tree" and "rtx" which are both pointers to structs. When
> you print either, you just get "$1 = 0xbf000100" without any indication of
> the type of the variable; but normally GDB prints types for pointers.
> This comes from a missing check_typedef in c_value_print.
>
> There were a couple of ways to fix it; I chose to print the typedef rather
> than what the typedef pointed to. The only difference in the testsuite is
> in one objc test, which perfectly illustrates the desired change:
>
> -$1 = 0x0
> +$1 = (id) 0x0
>
> Any comments?
I think printing the typedef is fine. FWIW, this has annoyed me in the
past too, so I'm all in favor of your change.
Kevin