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/* Native-dependent code for Alpha NetBSD.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include <sys/types.h>
#include <machine/reg.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include "gdbcore.h"
#include "regcache.h"
#include "alpha-tdep.h"
#ifndef HAVE_GREGSET_T
typedef struct reg gregset_t;
#endif
#ifndef HAVE_FPREGSET_T
typedef struct fpreg fpregset_t;
#endif
#include "gregset.h"
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
CORE_ADDR ignore)
{
struct md_coredump *core_reg;
char *regs;
int regno;
/* Table to map a gdb register number to a trapframe register index. */
static const int regmap[] =
{
FRAME_V0, FRAME_T0, FRAME_T1, FRAME_T2,
FRAME_T3, FRAME_T4, FRAME_T5, FRAME_T6,
FRAME_T7, FRAME_S0, FRAME_S1, FRAME_S2,
FRAME_S3, FRAME_S4, FRAME_S5, FRAME_S6,
FRAME_A0, FRAME_A1, FRAME_A2, FRAME_A3,
FRAME_A4, FRAME_A5, FRAME_T8, FRAME_T9,
FRAME_T10, FRAME_T11, FRAME_RA, FRAME_T12,
FRAME_AT, FRAME_GP, FRAME_SP
};
/* We get everything from one section. */
if (which != 0)
return;
core_reg = (struct md_coredump *) core_reg_sect;
regs = (char *) &core_reg->md_tf;
if (core_reg_size < sizeof (*core_reg))
{
warning ("Wrong size register set in core file.");
return;
}
/* Integer registers. */
for (regno = 0; regno < ALPHA_ZERO_REGNUM; regno++)
supply_register (regno, regs + (regmap[regno] * 8));
supply_register (ALPHA_ZERO_REGNUM, NULL);
supply_register (FP_REGNUM, NULL);
supply_register (PC_REGNUM, regs + (FRAME_PC * 8));
/* Floating point registers. */
supply_fpregset (&core_reg->md_fpstate);
}
static void
fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
CORE_ADDR ignore)
{
switch (which)
{
case 0: /* Integer registers. */
if (core_reg_size != sizeof (struct reg))
warning ("Wrong size register set in core file.");
else
supply_gregset ((gregset_t *) core_reg_sect);
break;
case 2: /* Floating point registers. */
if (core_reg_size != sizeof (struct fpreg))
warning ("Wrong size FP register set in core file.");
else
supply_fpregset ((fpregset_t *) core_reg_sect);
break;
default:
/* Don't know what kind of register request this is; just ignore it. */
break;
}
}
static struct core_fns alphanbsd_core_fns =
{
bfd_target_unknown_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_core_registers, /* core_read_registers */
NULL /* next */
};
static struct core_fns alphanbsd_elfcore_fns =
{
bfd_target_elf_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_elfcore_registers, /* core_read_registers */
NULL /* next */
};
void
_initialize_alphanbsd_nat (void)
{
add_core_fns (&alphanbsd_core_fns);
add_core_fns (&alphanbsd_elfcore_fns);
}
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