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when panicing because of a fatal trap, print the trap's type name, as well

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as its kernel entry number.
This commit is contained in:
cgd 1996-11-27 01:28:30 +00:00
parent f7a967045c
commit e338e3526d
1 changed files with 43 additions and 15 deletions
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58
sys/arch/alpha/alpha/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.18 1996/11/13 22:20:58 cgd Exp $ */
/* $NetBSD: trap.c,v 1.19 1996/11/27 01:28:30 cgd Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@ -402,20 +402,48 @@ out:
return;
dopanic:
printf("\n");
printf("fatal %s trap:\n", user ? "user" : "kernel");
printf("\n");
printf(" trap entry = 0x%lx\n", entry);
printf(" a0 = 0x%lx\n", a0);
printf(" a1 = 0x%lx\n", a1);
printf(" a2 = 0x%lx\n", a2);
printf(" pc = 0x%lx\n", framep->tf_regs[FRAME_PC]);
printf(" ra = 0x%lx\n", framep->tf_regs[FRAME_RA]);
printf(" curproc = %p\n", curproc);
if (curproc != NULL)
printf(" pid = %d, comm = %s\n", curproc->p_pid,
curproc->p_comm);
printf("\n");
{
const char *entryname;
switch (entry) {
case ALPHA_KENTRY_INT:
entryname = "interrupt";
break;
case ALPHA_KENTRY_ARITH:
entryname = "arithmetic trap";
break;
case ALPHA_KENTRY_MM:
entryname = "memory management fault";
break;
case ALPHA_KENTRY_IF:
entryname = "instruction fault";
break;
case ALPHA_KENTRY_UNA:
entryname = "unaligned access fault";
break;
case ALPHA_KENTRY_SYS:
entryname = "system call";
break;
default:
entryname = "???";
break;
}
printf("\n");
printf("fatal %s trap:\n", user ? "user" : "kernel");
printf("\n");
printf(" trap entry = 0x%lx (%s)\n", entry, entryname);
printf(" a0 = 0x%lx\n", a0);
printf(" a1 = 0x%lx\n", a1);
printf(" a2 = 0x%lx\n", a2);
printf(" pc = 0x%lx\n", framep->tf_regs[FRAME_PC]);
printf(" ra = 0x%lx\n", framep->tf_regs[FRAME_RA]);
printf(" curproc = %p\n", curproc);
if (curproc != NULL)
printf(" pid = %d, comm = %s\n", curproc->p_pid,
curproc->p_comm);
printf("\n");
}
/* XXX dump registers */
/* XXX kernel debugger */