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1 /* Target-dependent code for OpenBSD/vax. | 1 /* Target-dependent code for OpenBSD/vax. |
2 | 2 |
3 Copyright (C) 2005, 2007-2012 Free Software Foundation, Inc. | 3 Copyright (C) 2005-2013 Free Software Foundation, Inc. |
4 | 4 |
5 This file is part of GDB. | 5 This file is part of GDB. |
6 | 6 |
7 This program is free software; you can redistribute it and/or modify | 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 | 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 | 9 the Free Software Foundation; either version 3 of the License, or |
10 (at your option) any later version. | 10 (at your option) any later version. |
11 | 11 |
12 This program is distributed in the hope that it will be useful, | 12 This program is distributed in the hope that it will be useful, |
13 but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 GNU General Public License for more details. | 15 GNU General Public License for more details. |
16 | 16 |
17 You should have received a copy of the GNU General Public License | 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/>. */ | 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
19 | 19 |
20 #include "defs.h" | 20 #include "defs.h" |
21 #include "arch-utils.h" | 21 #include "arch-utils.h" |
22 #include "frame.h" | 22 #include "frame.h" |
23 #include "frame-unwind.h" | 23 #include "frame-unwind.h" |
24 #include "osabi.h" | 24 #include "osabi.h" |
25 #include "symtab.h" | 25 #include "symtab.h" |
26 #include "trad-frame.h" | 26 #include "trad-frame.h" |
27 | 27 |
28 #include "vax-tdep.h" | 28 #include "vax-tdep.h" |
29 | 29 |
30 #include "gdb_string.h" | 30 #include <string.h> |
31 | 31 |
32 /* Signal trampolines. */ | 32 /* Signal trampolines. */ |
33 | 33 |
34 /* Since OpenBSD 3.2, the sigtramp routine is mapped at a random page | 34 /* Since OpenBSD 3.2, the sigtramp routine is mapped at a random page |
35 in virtual memory. The randomness makes it somewhat tricky to | 35 in virtual memory. The randomness makes it somewhat tricky to |
36 detect it, but fortunately we can rely on the fact that the start | 36 detect it, but fortunately we can rely on the fact that the start |
37 of the sigtramp routine is page-aligned. We recognize the | 37 of the sigtramp routine is page-aligned. We recognize the |
38 trampoline by looking for the code that invokes the sigreturn | 38 trampoline by looking for the code that invokes the sigreturn |
39 system call. The offset where we can find that code varies from | 39 system call. The offset where we can find that code varies from |
40 release to release. | 40 release to release. |
(...skipping 132 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
173 | 173 |
174 void | 174 void |
175 _initialize_vaxobsd_tdep (void) | 175 _initialize_vaxobsd_tdep (void) |
176 { | 176 { |
177 gdbarch_register_osabi_sniffer (bfd_arch_vax, bfd_target_aout_flavour, | 177 gdbarch_register_osabi_sniffer (bfd_arch_vax, bfd_target_aout_flavour, |
178 vaxobsd_aout_osabi_sniffer); | 178 vaxobsd_aout_osabi_sniffer); |
179 | 179 |
180 gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_OPENBSD_AOUT, | 180 gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_OPENBSD_AOUT, |
181 vaxobsd_init_abi); | 181 vaxobsd_init_abi); |
182 } | 182 } |
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