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/* Target-dependent code for OpenBSD/mips64.
Copyright 2004 Free Software Foundation, 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 "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "gdb_string.h"
#include "mips-tdep.h"
#include "solib-svr4.h"
#define MIPS64OBSD_NUM_REGS 73
/* Core file support. */
/* Supply register REGNUM from the buffer specified by GREGS and LEN
in the general-purpose register set REGSET to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
static void
mips64obsd_supply_gregset (const struct regset *regset,
struct regcache *regcache, int regnum,
const void *gregs, size_t len)
{
const char *regs = gregs;
int i;
for (i = 0; i < MIPS64OBSD_NUM_REGS; i++)
{
if (regnum == i || regnum == -1)
regcache_raw_supply (regcache, i, regs + i * 8);
}
}
/* OpenBSD/mips64 register set. */
static struct regset mips64obsd_gregset =
{
NULL,
mips64obsd_supply_gregset
};
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
static const struct regset *
mips64obsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
if (strcmp (sect_name, ".reg") == 0 && sect_size >= MIPS64OBSD_NUM_REGS * 8)
return &mips64obsd_gregset;
return NULL;
}
static void
mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
set_gdbarch_regset_from_core_section
(gdbarch, mips64obsd_regset_from_core_section);
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_mips64obsd_tdep (void);
void
_initialize_mips64obsd_tdep (void)
{
gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_OPENBSD_ELF,
mips64obsd_init_abi);
}
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