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PR/56401 CVS commit: src/sys/arch/sh3/sh3

The following reply was made to PR port-sh3/56401; it has been noted by GNATS.

From: "Rin Okuyama" <>
Subject: PR/56401 CVS commit: src/sys/arch/sh3/sh3
Date: Wed, 15 Sep 2021 11:03:25 +0000

 Module Name:	src
 Committed By:	rin
 Date:		Wed Sep 15 11:03:25 UTC 2021
 Modified Files:
 	src/sys/arch/sh3/sh3: exception.c
 Log Message:
 For kernel mode address error, do not overwrite tf->tf_spc and tf->tf_r0
 *before* checking pcb->pbc_onfault != NULL.
 Should fix part of
 PR port-sh3/56382
 PR port-sh3/56401
 i.e., DDB will no longer wrongly indicate NULL as fault PC for kernel mode
 address error (and 0xe == EFAULT as r0).
 Yes, we have another bugs that cause panics described in the two PRs, but
 now we can examine them more easily :).
 To generate a diff of this commit:
 cvs rdiff -u -r1.73 -r1.74 src/sys/arch/sh3/sh3/exception.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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