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jeremybenn |
/* Target-dependent code for NetBSD/sh.
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Copyright (C) 2002, 2003, 2006, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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Contributed by Wasabi Systems, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "regset.h"
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#include "value.h"
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#include "osabi.h"
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#include "gdb_string.h"
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#include "sh-tdep.h"
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#include "solib-svr4.h"
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/* Convert a register number into an offset into a ptrace
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register structure. */
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static const struct sh_corefile_regmap regmap[] =
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{
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{R0_REGNUM, 20 * 4},
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{R0_REGNUM + 1, 19 * 4},
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{R0_REGNUM + 2, 18 * 4},
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{R0_REGNUM + 3, 17 * 4},
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{R0_REGNUM + 4, 16 * 4},
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{R0_REGNUM + 5, 15 * 4},
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{R0_REGNUM + 6, 14 * 4},
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{R0_REGNUM + 7, 13 * 4},
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{R0_REGNUM + 8, 12 * 4},
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{R0_REGNUM + 9, 11 * 4},
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{R0_REGNUM + 10, 10 * 4},
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{R0_REGNUM + 11, 9 * 4},
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{R0_REGNUM + 12, 8 * 4},
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{R0_REGNUM + 13, 7 * 4},
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{R0_REGNUM + 14, 6 * 4},
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{R0_REGNUM + 15, 5 * 4},
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{PC_REGNUM, 0 * 4},
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{SR_REGNUM, 1 * 4},
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{PR_REGNUM, 2 * 4},
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{MACH_REGNUM, 3 * 4},
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{MACL_REGNUM, 4 * 4},
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{-1 /* Terminator. */, 0}
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};
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static void
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shnbsd_init_abi (struct gdbarch_info info,
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struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_ilp32_fetch_link_map_offsets);
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}
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/* OpenBSD uses uses the traditional NetBSD core file format, even for
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ports that use ELF. */
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#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
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static enum gdb_osabi
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shnbsd_core_osabi_sniffer (bfd *abfd)
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{
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if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
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return GDB_OSABI_NETBSD_CORE;
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return GDB_OSABI_UNKNOWN;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_shnbsd_tdep;
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void
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_initialize_shnbsd_tdep (void)
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{
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/* BFD doesn't set a flavour for NetBSD style a.out core files. */
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gdbarch_register_osabi_sniffer (bfd_arch_sh, bfd_target_unknown_flavour,
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shnbsd_core_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD_ELF,
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shnbsd_init_abi);
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gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD_ELF,
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shnbsd_init_abi);
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}
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