| 1 | /* Target-dependent code for NetBSD/sh. |
| 2 | |
| 3 | Copyright (C) 2002-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Wasabi Systems, Inc. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "gdbcore.h" |
| 24 | #include "regset.h" |
| 25 | #include "value.h" |
| 26 | #include "osabi.h" |
| 27 | |
| 28 | #include "sh-tdep.h" |
| 29 | #include "solib-svr4.h" |
| 30 | |
| 31 | /* Convert a register number into an offset into a ptrace |
| 32 | register structure. */ |
| 33 | static const struct sh_corefile_regmap regmap[] = |
| 34 | { |
| 35 | {R0_REGNUM, 20 * 4}, |
| 36 | {R0_REGNUM + 1, 19 * 4}, |
| 37 | {R0_REGNUM + 2, 18 * 4}, |
| 38 | {R0_REGNUM + 3, 17 * 4}, |
| 39 | {R0_REGNUM + 4, 16 * 4}, |
| 40 | {R0_REGNUM + 5, 15 * 4}, |
| 41 | {R0_REGNUM + 6, 14 * 4}, |
| 42 | {R0_REGNUM + 7, 13 * 4}, |
| 43 | {R0_REGNUM + 8, 12 * 4}, |
| 44 | {R0_REGNUM + 9, 11 * 4}, |
| 45 | {R0_REGNUM + 10, 10 * 4}, |
| 46 | {R0_REGNUM + 11, 9 * 4}, |
| 47 | {R0_REGNUM + 12, 8 * 4}, |
| 48 | {R0_REGNUM + 13, 7 * 4}, |
| 49 | {R0_REGNUM + 14, 6 * 4}, |
| 50 | {R0_REGNUM + 15, 5 * 4}, |
| 51 | {PC_REGNUM, 0 * 4}, |
| 52 | {SR_REGNUM, 1 * 4}, |
| 53 | {PR_REGNUM, 2 * 4}, |
| 54 | {MACH_REGNUM, 3 * 4}, |
| 55 | {MACL_REGNUM, 4 * 4}, |
| 56 | {-1 /* Terminator. */, 0} |
| 57 | }; |
| 58 | \f |
| 59 | |
| 60 | static void |
| 61 | shnbsd_init_abi (struct gdbarch_info info, |
| 62 | struct gdbarch *gdbarch) |
| 63 | { |
| 64 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 65 | |
| 66 | tdep->core_gregmap = (struct sh_corefile_regmap *)regmap; |
| 67 | tdep->sizeof_gregset = 84; |
| 68 | |
| 69 | set_solib_svr4_fetch_link_map_offsets |
| 70 | (gdbarch, svr4_ilp32_fetch_link_map_offsets); |
| 71 | } |
| 72 | \f |
| 73 | |
| 74 | /* OpenBSD uses uses the traditional NetBSD core file format, even for |
| 75 | ports that use ELF. */ |
| 76 | #define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF |
| 77 | |
| 78 | static enum gdb_osabi |
| 79 | shnbsd_core_osabi_sniffer (bfd *abfd) |
| 80 | { |
| 81 | if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0) |
| 82 | return GDB_OSABI_NETBSD_CORE; |
| 83 | |
| 84 | return GDB_OSABI_UNKNOWN; |
| 85 | } |
| 86 | |
| 87 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 88 | extern initialize_file_ftype _initialize_shnbsd_tdep; |
| 89 | |
| 90 | void |
| 91 | _initialize_shnbsd_tdep (void) |
| 92 | { |
| 93 | /* BFD doesn't set a flavour for NetBSD style a.out core files. */ |
| 94 | gdbarch_register_osabi_sniffer (bfd_arch_sh, bfd_target_unknown_flavour, |
| 95 | shnbsd_core_osabi_sniffer); |
| 96 | |
| 97 | gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD_ELF, |
| 98 | shnbsd_init_abi); |
| 99 | gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD_ELF, |
| 100 | shnbsd_init_abi); |
| 101 | } |