svn commit: r344961 - head/sys/powerpc/powerpc

[Justin Hibbits]

Author: jhibbits
Date: Sat Mar  9 03:24:39 2019
New Revision: 344961
URL: https://svnweb.freebsd.org/changeset/base/344961

Log:
  powerpc: Print trap frame address in ddb backtraces
  
  Registers visible from 'show reg' don't always match the registers from the
  offending trap frame.  Knowing the frame address lets one examine the
  registers manually.
  
  MFC after:	1 week

Modified:
  head/sys/powerpc/powerpc/db_trace.c

Modified: head/sys/powerpc/powerpc/db_trace.c
==============================================================================
--- head/sys/powerpc/powerpc/db_trace.c	Sat Mar  9 03:18:37 2019	(r344960)
+++ head/sys/powerpc/powerpc/db_trace.c	Sat Mar  9 03:24:39 2019	(r344961)
@@ -277,7 +277,7 @@ db_backtrace(struct thread *td, db_addr_t fp, int coun
 			if (tf->exc == EXC_DSI)
 				db_printf(" sr=%#x",
 				    (uint32_t)tf->cpu.aim.dsisr);
-			db_printf("\n");
+			db_printf(" frame=%p\n", tf);
 			stackframe = (db_addr_t) tf->fixreg[1];
 			if (kernel_only && (tf->srr1 & PSL_PR))
 				break;