On Wed, Dec 11, 2019 at 03:42:01PM +0000, Mark Brown wrote: > From: Dave Martin <Dave.Martin@xxxxxxx> > > The current code to print PSTATE symbolically when generating > backtraces etc., does not include the BYTPE field used by Branch > Target Identification. > > So, decode BYTPE and print it too. > > In the interests of human-readability, print the classes of BTI > matched. The symbolic notation, BYTPE (PSTATE[11:10]) and > permitted classes of subsequent instruction are: > > -- (BTYPE=0b00): any insn > jc (BTYPE=0b01): BTI jc, BTI j, BTI c, PACIxSP > -c (BYTPE=0b10): BTI jc, BTI c, PACIxSP > j- (BTYPE=0b11): BTI jc, BTI j > > Signed-off-by: Dave Martin <Dave.Martin@xxxxxxx> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
