Messages in this thread |  | | | Date | Fri, 20 Jan 2012 14:41:51 -0800 | | From | "H. Peter Anvin" <> | | Subject | Re: Compat 32-bit syscall entry from 64-bit task!? |
| |
On 01/20/2012 02:40 PM, Roland McGrath wrote: > If you change the size of a regset, then the new full size will be the size > of the core file notes. Existing userland tools will not be expecting > this, they expect a known exact size. If you need to add new stuff, it > really is easier all around to add a new regset flavor. When adding a new > one, you can make it variable-sized from the start so as to be extensible > in the future. We did this for NT_X86_XSTATE, for example. >
Yes, that definitely seems cleaner.
-hpa
|  |