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/*
* Copyright (c) 2004 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/signal.h>
#include <machine/gdb_machdep.h>
#include <machine/pcb.h>
#include <machine/reg.h>
#include <gdb/gdb.h>
void *
gdb_cpu_getreg(int regnum, size_t *regsz)
{
*regsz = gdb_cpu_regsz(regnum);
switch (regnum) {
case 9: return (&kdb_thrctx->pcb_context[0]);
case 10: return (&kdb_thrctx->pcb_context[1]);
case 11: return (&kdb_thrctx->pcb_context[2]);
case 12: return (&kdb_thrctx->pcb_context[3]);
case 13: return (&kdb_thrctx->pcb_context[4]);
case 14: return (&kdb_thrctx->pcb_context[5]);
case 15: return (&kdb_thrctx->pcb_context[6]);
case 30: return (&kdb_thrctx->pcb_hw.apcb_ksp);
case 64: return (&kdb_thrctx->pcb_context[7]);
}
return (NULL);
}
void
gdb_cpu_setreg(int regnum, void *val)
{
switch (regnum) {
}
}
int
gdb_cpu_signal(int entry, int code)
{
switch (entry) {
case ALPHA_KENTRY_INT:
case ALPHA_KENTRY_ARITH:
return (SIGILL); /* Can this happen? */
case ALPHA_KENTRY_MM:
switch (code) {
case ALPHA_MMCSR_INVALTRANS:
return (SIGSEGV);
case ALPHA_MMCSR_ACCESS:
case ALPHA_MMCSR_FOR:
case ALPHA_MMCSR_FOE:
case ALPHA_MMCSR_FOW:
return (SIGBUS);
}
case ALPHA_KENTRY_IF:
switch (code) {
case ALPHA_IF_CODE_BUGCHK:
case ALPHA_IF_CODE_BPT:
return (SIGTRAP);
case ALPHA_IF_CODE_GENTRAP:
case ALPHA_IF_CODE_FEN:
case ALPHA_IF_CODE_OPDEC:
return (SIGILL);
}
case ALPHA_KENTRY_UNA:
return (SIGSEGV);
case ALPHA_KENTRY_SYS:
return (SIGILL);
}
return (SIGILL);
}
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