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/* Target-dependent code for NetBSD/sh.
Copyright (C) 2002-2017 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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcore.h"
#include "regset.h"
#include "value.h"
#include "osabi.h"
#include "sh-tdep.h"
#include "solib-svr4.h"
/* Convert a register number into an offset into a ptrace
register structure. */
static const struct sh_corefile_regmap regmap[] =
{
{R0_REGNUM, 20 * 4},
{R0_REGNUM + 1, 19 * 4},
{R0_REGNUM + 2, 18 * 4},
{R0_REGNUM + 3, 17 * 4},
{R0_REGNUM + 4, 16 * 4},
{R0_REGNUM + 5, 15 * 4},
{R0_REGNUM + 6, 14 * 4},
{R0_REGNUM + 7, 13 * 4},
{R0_REGNUM + 8, 12 * 4},
{R0_REGNUM + 9, 11 * 4},
{R0_REGNUM + 10, 10 * 4},
{R0_REGNUM + 11, 9 * 4},
{R0_REGNUM + 12, 8 * 4},
{R0_REGNUM + 13, 7 * 4},
{R0_REGNUM + 14, 6 * 4},
{R0_REGNUM + 15, 5 * 4},
{PC_REGNUM, 0 * 4},
{SR_REGNUM, 1 * 4},
{PR_REGNUM, 2 * 4},
{MACH_REGNUM, 3 * 4},
{MACL_REGNUM, 4 * 4},
{-1 /* Terminator. */, 0}
};
static void
shnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
tdep->sizeof_gregset = 84;
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
/* OpenBSD uses uses the traditional NetBSD core file format, even for
ports that use ELF. */
#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
static enum gdb_osabi
shnbsd_core_osabi_sniffer (bfd *abfd)
{
if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
return GDB_OSABI_NETBSD_CORE;
return GDB_OSABI_UNKNOWN;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_shnbsd_tdep;
void
_initialize_shnbsd_tdep (void)
{
/* BFD doesn't set a flavour for NetBSD style a.out core files. */
gdbarch_register_osabi_sniffer (bfd_arch_sh, bfd_target_unknown_flavour,
shnbsd_core_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD_ELF,
shnbsd_init_abi);
gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD_ELF,
shnbsd_init_abi);
}
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