diff options
| -rw-r--r-- | sys/amd64/amd64/trap.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c index d035a7e..62533cb 100644 --- a/sys/amd64/amd64/trap.c +++ b/sys/amd64/amd64/trap.c @@ -176,9 +176,14 @@ static int panic_on_nmi = 1; SYSCTL_INT(_machdep, OID_AUTO, panic_on_nmi, CTLFLAG_RW, &panic_on_nmi, 0, "Panic on NMI"); TUNABLE_INT("machdep.panic_on_nmi", &panic_on_nmi); -static int prot_fault_translation = 0; +static int prot_fault_translation; SYSCTL_INT(_machdep, OID_AUTO, prot_fault_translation, CTLFLAG_RW, - &prot_fault_translation, 0, "Select signal to deliver on protection fault"); + &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. @@ -610,6 +615,19 @@ trap(struct trapframe *frame) ksi.ksi_code = ucode; ksi.ksi_trapno = type; ksi.ksi_addr = (void *)addr; + if (uprintf_signal) { + uprintf("pid %d comm %s: signal %d err %lx code %d type %d " + "addr 0x%lx <%02x %02x %02x %02x %02x %02x %02x %02x>\n", + p->p_pid, p->p_comm, i, frame->tf_err, ucode, type, addr, + fubyte((void *)(frame->tf_rip + 0)), + fubyte((void *)(frame->tf_rip + 1)), + fubyte((void *)(frame->tf_rip + 2)), + fubyte((void *)(frame->tf_rip + 3)), + fubyte((void *)(frame->tf_rip + 4)), + fubyte((void *)(frame->tf_rip + 5)), + fubyte((void *)(frame->tf_rip + 6)), + fubyte((void *)(frame->tf_rip + 7))); + } trapsignal(td, &ksi); user: |
