Feature request: jump to next/previous CPU exception

[ostannard]

My use case for tarmac-browser often involves checking the context in which a CPU exception occurred. To do this, I search for CoreEvent in the tarmac file, to get a timestamp to jump to in tarmac-browser. It would be more convenient if tarmac-browser had a way to jump directly to the next/previous CPU exception.

CPU exceptions are represented as events in the tarmac file, but tarmac-browser treats them as TextOnlyEvents. Here is an example of the tarmac for an exception, this was from a Cortex-A9 FastModel:

9036000000 ps IT (9036) 10015f70 e4913004 A svc_s : LDR      r3,[r1],#4
9036000000 ps MR4 1001fbe2 (ABORTED)
9036000000 ps E 10015f70 abt 00000019 CoreEvent_ModeChange
9036000000 ps E 10015f70 00000005 CoreEvent_handleDataAbort
9036000000 ps R r14_abt 10015f78
9036000000 ps R cpsr 200001d7
9036000000 ps R spsr_abt 200001d3
9036000000 ps R DFSR_S 00000001
9036000000 ps R DFAR_S 1001fbe2
9036000000 ps R SPSR_abt 200001d3
9036000000 ps SIGNAL: SIGNAL=DebugReset STATE=N
9036000000 ps SIGNAL: SIGNAL=ResetHold STATE=N