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On MIPS, when printing page fault information for an unexpected exception

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type, explicitly print out "unknown" rather than the empty string, and
include the exception type number for ease of debugging.

Sponsored by:	DARPA, AFRL
This commit is contained in:
Robert Watson 2012-08-25 08:02:46 +00:00
parent b03d880eea
commit 431735d0c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=239669
1 changed files with 4 additions and 2 deletions
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6
sys/mips/mips/trap.c
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@ -1465,15 +1465,17 @@ log_bad_page_fault(char *msg, struct trapframe *frame, int trap_type)
read_or_write = "read";
break;
default:
read_or_write = "";
read_or_write = "unknown";
}
pc = frame->pc + (DELAYBRANCH(frame->cause) ? 4 : 0);
log(LOG_ERR, "%s: pid %d tid %ld (%s), uid %d: pc %#jx got a %s fault at %#jx\n",
log(LOG_ERR, "%s: pid %d tid %ld (%s), uid %d: pc %#jx got a %s fault "
"(type %#x) at %#jx\n",
msg, p->p_pid, (long)td->td_tid, p->p_comm,
p->p_ucred ? p->p_ucred->cr_uid : -1,
(intmax_t)pc,
read_or_write,
trap_type,
(intmax_t)frame->badvaddr);
/* log registers in trap frame */