diff options
Diffstat (limited to 'gdb/sh-nbsd-tdep.c')
-rw-r--r-- | gdb/sh-nbsd-tdep.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gdb/sh-nbsd-tdep.c b/gdb/sh-nbsd-tdep.c new file mode 100644 index 0000000..b5c70ef --- /dev/null +++ b/gdb/sh-nbsd-tdep.c @@ -0,0 +1,101 @@ +/* Target-dependent code for NetBSD/sh. + + Copyright (C) 2002-2016 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); +} |