"maint print arch" causing gdb crash

Stan Shebs stanshebs@earthlink.net
Fri Oct 5 22:05:00 GMT 2012

On 10/5/12 7:13 AM, ali_anwar wrote:
> Hi,
> 'gdbarch_dump' is in some cases passing a NULL pointer to 'sprintf' 
> when printing 'gdbarch->stap_gdb_register_suffix' etc.  Printing NULL 
> pointers like this is undefined behavior. With glibc passing a NULL 
> pointer just prints "(null)". With the MSVC libc, however, GDB crashes.
> Attached patch fixes this issue using the similar approach discussed 
> in following scenario:
> http://sourceware.org/ml/gdb-patches/2011-10/msg00662.html
> There are some newly added variables due to which "maint print arch" 
> command was causing gdb crash on whindows host. This patch takes care 
> of them.
> OK?

Yes please, this is good!


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