Handle traps, illegal instruction, memory violations through queue signal

Report traps and fatal exceptions through a wavefront's
amd_queue_t.queue_inactive_signal. Previously, only traps were
reported and requireed the compiler to pass in the signal pointer
in s[0:1].

The signal is obtained through a mapping from doorbell index to
amd_queue_t*. The doorbell is fetched within a wavefront through
the gfx9+ S_SENDMSG(MSG_GET_DOORBELL) instruction.

Change-Id: I319b45f2e15dfcfe4db8f4065da1136e9539a42b

runtime/hsa-runtime/core/runtime/hsa.cpp

@@ -2719,6 +2719,17 @@ hsa_status_t hsa_status_string(
       *status_string =
           "HSA_STATUS_ERROR_FATAL:  The queue received an error that may require process "
           "termination.";
+      break;
+    case HSA_STATUS_ERROR_MEMORY_APERTURE_VIOLATION:
+      *status_string =
+          "HSA_STATUS_ERROR_MEMORY_APERTURE_VIOLATION:  The agent attempted to access "
+          "memory beyond the largest legal address.";
+      break;
+    case HSA_STATUS_ERROR_ILLEGAL_INSTRUCTION:
+      *status_string =
+          "HSA_STATUS_ERROR_ILLEGAL_INSTRUCTION:  The agent attempted to execute an "
+          "illegal shader instruction.";
+      break;
     case HSA_EXT_STATUS_ERROR_IMAGE_FORMAT_UNSUPPORTED:
       *status_string =
           "HSA_EXT_STATUS_ERROR_IMAGE_FORMAT_UNSUPPORTED: Image "