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/*
* Copyright (c) 1994 The University of Utah and
* the Center for Software Science (CSS). All rights reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSS requests users of this software to return to css-dist@cs.utah.edu any
* improvements that they make and grant CSS redistribution rights.
*
* Author: Bryan Ford, University of Utah CSS
*/
#include <mach/machine/eflags.h>
#include <mach/machine/proc_reg.h>
#include "vm_param.h"
#include "trap.h"
void trap_dump(struct trap_state *st)
{
short flags;
int from_user = (st->cs & 3) || (st->eflags & EFL_VM);
unsigned *dump_sp = 0;
int i;
printf("Dump of trap_state at %08x:\n", st);
printf("EAX %08x EBX %08x ECX %08x EDX %08x\n",
st->eax, st->ebx, st->ecx, st->edx);
printf("ESI %08x EDI %08x EBP %08x ESP %08x\n",
st->esi, st->edi, st->ebp,
from_user ? st->esp : (unsigned)&st->esp);
printf("EIP %08x EFLAGS %08x\n", st->eip, st->eflags);
printf("CS %04x SS %04x DS %04x ES %04x FS %04x GS %04x\n",
st->cs & 0xffff, from_user ? st->ss & 0xffff : get_ss(),
st->ds & 0xffff, st->es & 0xffff,
st->fs & 0xffff, st->gs & 0xffff);
printf("v86: DS %04x ES %04x FS %04x GS %04x\n",
st->v86_ds & 0xffff, st->v86_es & 0xffff,
st->v86_gs & 0xffff, st->v86_gs & 0xffff);
printf("trapno %d, error %08x, from %s mode\n",
st->trapno, st->err, from_user ? "user" : "kernel");
if (st->trapno == T_PAGE_FAULT)
printf("page fault linear address %08x\n", st->cr2);
/* Dump the top of the stack too. */
if (!from_user)
{
for (i = 0; i < 32; i++)
{
printf("%08x%c", (&st->esp)[i],
((i & 7) == 7) ? '\n' : ' ');
}
}
}
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