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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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