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MFamd64: add machdep.uprintf_signal.

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MFC after:	1 week
This commit is contained in:
kib 2012-10-14 17:09:50 +00:00
parent 36119706ad
commit 447841289e
1 changed files with 19 additions and 0 deletions
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19
sys/i386/i386/trap.c
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@ -195,6 +195,10 @@ TUNABLE_INT("machdep.panic_on_nmi", &panic_on_nmi);
static int prot_fault_translation = 0;
SYSCTL_INT(_machdep, OID_AUTO, prot_fault_translation, CTLFLAG_RW,
&prot_fault_translation, 0, "Select signal to deliver on protection fault");
static int uprintf_signal;
SYSCTL_INT(_machdep, OID_AUTO, uprintf_signal, CTLFLAG_RW,
&uprintf_signal, 0,
"Print debugging information on trap signal to ctty");
/*
* Exception, fault, and trap interface to the FreeBSD kernel.
@ -761,6 +765,21 @@ trap(struct trapframe *frame)
ksi.ksi_code = ucode;
ksi.ksi_addr = (void *)addr;
ksi.ksi_trapno = type;
if (uprintf_signal) {
uprintf("pid %d comm %s: signal %d err %x code %d type %d "
"addr 0x%x eip 0x%08x "
"<%02x %02x %02x %02x %02x %02x %02x %02x>\n",
p->p_pid, p->p_comm, i, frame->tf_err, ucode, type, addr,
frame->tf_eip,
fubyte((void *)(frame->tf_eip + 0)),
fubyte((void *)(frame->tf_eip + 1)),
fubyte((void *)(frame->tf_eip + 2)),
fubyte((void *)(frame->tf_eip + 3)),
fubyte((void *)(frame->tf_eip + 4)),
fubyte((void *)(frame->tf_eip + 5)),
fubyte((void *)(frame->tf_eip + 6)),
fubyte((void *)(frame->tf_eip + 7)));
}
trapsignal(td, &ksi);
#ifdef DEBUG