Re: Advice on extending gdb

On 2014-11-13 15:24, [email protected] wrote:
> Hi,
> 
> Just how do parameters work with user defined commands?
> 
> I recently saw an example in which someone prints the contents of std::vector (and other container types) using user defined commands:
> 
>       http://www.yolinux.com/TUTORIALS/src/dbinit_stl_views-1.03.txt
> 
> Very nice.
> 
> <snip>
> 
> # apologies for loss of indentation
> 
> define pvector
> if $argc == 0
> help pvector
> else
> set $size = $arg0._M_impl._M_finish - $arg0._M_impl._M_start
> set $capacity = $arg0._M_impl._M_end_of_storage - $arg0._M_impl._M_start
> set $size_max = $size - 1
> end
> 
> </snip>

Hi, amit, use those command to show the content of the std::vector is quite outdated, I strongly suggest you to use the more modern gdb's python pretty printer, see: https://sourceware.org/gdb/wiki/STLSupport and https://sourceware.org/gdb/onlinedocs/gdb/Pretty-Printing.html

Yuanhui Zhang