Re: [PATCH][BINUTILS][AARCH64] Add support for pointer authentication B key

2018-11-01 Thread Sam Tebbs
On 11/01/2018 11:56 AM, Sam Tebbs wrote: > Hi all, > > Armv8.3-A has another key used in pointer authentication called the B-key > (other > than the A-key that is already supported). In order for stack unwinders to > work > it is necessary to be able to identify frames that have been signed with

[PATCH][BINUTILS][AARCH64] Add support for pointer authentication B key

2018-11-01 Thread Sam Tebbs
Hi all, Armv8.3-A has another key used in pointer authentication called the B-key (other than the A-key that is already supported). In order for stack unwinders to work it is necessary to be able to identify frames that have been signed with the B-key rather than the A-key and it was felt that kee