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Be able to handle debugger traps from kernel.

This commit is contained in:
ragge 1996-01-28 12:24:33 +00:00
parent 27a6a01b3a
commit 2c8ca06774
1 changed files with 13 additions and 10 deletions
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23
sys/arch/vax/vax/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.14 1995/11/12 14:33:13 ragge Exp $ */
/* $NetBSD: trap.c,v 1.15 1996/01/28 12:24:33 ragge Exp $ */
/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
@ -137,13 +137,11 @@ fram:
default:
faulter:
#ifdef DDB
if (kdb_trap(frame))
return;
kdb_trap(frame);
#endif
printf("Trap: type %x, code %x, pc %x, psl %x\n",
frame->trap, frame->code, frame->pc, frame->psl);
showregs(frame);
asm("halt");
panic("trap: adr %x",frame->code);
case T_KSPNOTVAL:
goto faulter;
@ -307,9 +305,14 @@ if(faultdebug)printf("trap ptelen type %x, code %x, pc %x, psl %x\n",
mtpr(AST_NO,PR_ASTLVL);
trapsig=0;
break;
case T_KDBTRAP:
kdb_trap(frame);
return;
}
bad:
if(trapsig) trapsignal(curproc, sig, frame->code);
if (trapsig)
trapsignal(curproc, sig, frame->code);
uret:
userret(curproc, frame->pc, frame->psl);
};
@ -347,7 +350,7 @@ setregs(p, pack, stack, retval)
exptr = p->p_addr->u_pcb.framep;
exptr->pc = pack->ep_entry + 2;
mtpr(stack, PR_USP);
exptr->sp = stack;
retval[0] = retval[1] = 0;
}
@ -360,8 +363,8 @@ syscall(frame)
struct trapframe *exptr;
struct proc *p=curproc;
if(startsysc)printf("trap syscall %s pc %x, psl %x, ap %x, pid %d, frame %x\n",
syscallnames[frame->code], frame->pc, frame->psl,frame->ap,
if(startsysc)printf("trap syscall %s pc %x, psl %x, sp %x, pid %d, frame %x\n",
syscallnames[frame->code], frame->pc, frame->psl,frame->sp,
curproc->p_pid,frame);
p->p_addr->u_pcb.framep = frame;
@ -390,8 +393,8 @@ if(startsysc)printf("trap syscall %s pc %x, psl %x, ap %x, pid %d, frame %x\n",
exptr=curproc->p_addr->u_pcb.framep;
if(startsysc)
printf("retur %s pc %x, psl %x, ap %x, pid %d, v{rde %d r0 %d, r1 %d, frame %x\n",
syscallnames[exptr->code], exptr->pc, exptr->psl,exptr->ap,
printf("retur %s pc %x, psl %x, sp %x, pid %d, v{rde %d r0 %d, r1 %d, frame %x\n",
syscallnames[exptr->code], exptr->pc, exptr->psl,exptr->sp,
curproc->p_pid,err,rval[0],rval[1],exptr);
switch(err){