| 1 | /* Native-dependent code for NetBSD/amd64. |
| 2 | |
| 3 | Copyright (C) 2003-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "target.h" |
| 22 | |
| 23 | #include "nbsd-nat.h" |
| 24 | #include "amd64-tdep.h" |
| 25 | #include "amd64-nat.h" |
| 26 | |
| 27 | /* Mapping between the general-purpose registers in NetBSD/amd64 |
| 28 | `struct reg' format and GDB's register cache layout for |
| 29 | NetBSD/i386. |
| 30 | |
| 31 | Note that most (if not all) NetBSD/amd64 registers are 64-bit, |
| 32 | while the NetBSD/i386 registers are all 32-bit, but since we're |
| 33 | little-endian we get away with that. */ |
| 34 | |
| 35 | /* From <machine/reg.h>. */ |
| 36 | static int amd64nbsd32_r_reg_offset[] = |
| 37 | { |
| 38 | 14 * 8, /* %eax */ |
| 39 | 3 * 8, /* %ecx */ |
| 40 | 2 * 8, /* %edx */ |
| 41 | 13 * 8, /* %ebx */ |
| 42 | 24 * 8, /* %esp */ |
| 43 | 12 * 8, /* %ebp */ |
| 44 | 1 * 8, /* %esi */ |
| 45 | 0 * 8, /* %edi */ |
| 46 | 21 * 8, /* %eip */ |
| 47 | 23 * 8, /* %eflags */ |
| 48 | 22 * 8, /* %cs */ |
| 49 | 25 * 8, /* %ss */ |
| 50 | 18 * 8, /* %ds */ |
| 51 | 17 * 8, /* %es */ |
| 52 | 16 * 8, /* %fs */ |
| 53 | 15 * 8 /* %gs */ |
| 54 | }; |
| 55 | \f |
| 56 | |
| 57 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 58 | void _initialize_amd64nbsd_nat (void); |
| 59 | |
| 60 | void |
| 61 | _initialize_amd64nbsd_nat (void) |
| 62 | { |
| 63 | struct target_ops *t; |
| 64 | |
| 65 | amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset; |
| 66 | amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset); |
| 67 | amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset; |
| 68 | |
| 69 | /* Add some extra features to the common *BSD/amd64 target. */ |
| 70 | t = amd64bsd_target (); |
| 71 | t->to_pid_to_exec_file = nbsd_pid_to_exec_file; |
| 72 | add_target (t); |
| 73 | } |