projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| ea5bc2a6 JT |
1 | /* Common target-dependent code for NetBSD systems. |
| 2 | Copyright 2002 Free Software Foundation, Inc. | |
| 3 | Contributed by Wasabi Systems, 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 2 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, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 22 | #include "defs.h" | |
| 3d9b49b0 | 23 | #include "gdb_string.h" |
| ea5bc2a6 JT |
24 | #include "solib-svr4.h" |
| 25 | ||
| 26 | /* Fetch (and possibly build) an appropriate link_map_offsets | |
| 6c7861b3 JT |
27 | structure for NetBSD targets using the struct offsets defined |
| 28 | in <link.h> (but without actual reference to that file). | |
| ea5bc2a6 | 29 | |
| 6c7861b3 JT |
30 | This makes it possible to access NetBSD shared libraries from a |
| 31 | GDB that was not built on the same platform (for cross debugging). | |
| ea5bc2a6 JT |
32 | |
| 33 | We provide versions for ILP32 and LP64 NetBSD targets here. */ | |
| 34 | ||
| 35 | struct link_map_offsets * | |
| 36 | nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void) | |
| 37 | { | |
| 38 | static struct link_map_offsets lmo; | |
| 39 | static struct link_map_offsets *lmp = NULL; | |
| 40 | ||
| 41 | if (lmp == NULL) | |
| 42 | { | |
| 43 | lmp = &lmo; | |
| 44 | ||
| 45 | lmo.r_debug_size = 16; | |
| 46 | ||
| 47 | lmo.r_map_offset = 4; | |
| 48 | lmo.r_map_size = 4; | |
| 49 | ||
| 50 | lmo.link_map_size = 20; | |
| 51 | ||
| 52 | lmo.l_addr_offset = 0; | |
| 53 | lmo.l_addr_size = 4; | |
| 54 | ||
| 55 | lmo.l_name_offset = 4; | |
| 56 | lmo.l_name_size = 4; | |
| 57 | ||
| 58 | lmo.l_next_offset = 12; | |
| 59 | lmo.l_next_size = 4; | |
| 60 | ||
| 61 | lmo.l_prev_offset = 16; | |
| 62 | lmo.l_prev_size = 4; | |
| 63 | } | |
| 64 | ||
| 65 | return lmp; | |
| 66 | } | |
| 67 | ||
| 68 | struct link_map_offsets * | |
| 69 | nbsd_lp64_solib_svr4_fetch_link_map_offsets (void) | |
| 70 | { | |
| 71 | static struct link_map_offsets lmo; | |
| 72 | static struct link_map_offsets *lmp = NULL; | |
| 73 | ||
| 74 | if (lmp == NULL) | |
| 75 | { | |
| 76 | lmp = &lmo; | |
| 77 | ||
| 78 | lmo.r_debug_size = 32; | |
| 79 | ||
| 80 | lmo.r_map_offset = 8; | |
| 81 | lmo.r_map_size = 8; | |
| 82 | ||
| 83 | lmo.link_map_size = 40; | |
| 84 | ||
| 85 | lmo.l_addr_offset = 0; | |
| 86 | lmo.l_addr_size = 8; | |
| 87 | ||
| 88 | lmo.l_name_offset = 8; | |
| 89 | lmo.l_name_size = 8; | |
| 90 | ||
| 91 | lmo.l_next_offset = 24; | |
| 92 | lmo.l_next_size = 8; | |
| 93 | ||
| 94 | lmo.l_prev_offset = 32; | |
| 95 | lmo.l_prev_size = 8; | |
| 96 | } | |
| 97 | ||
| 98 | return lmp; | |
| 99 | } | |
| 3d9b49b0 JT |
100 | |
| 101 | int | |
| 102 | nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name) | |
| 103 | { | |
| 104 | /* Check for libc-provided signal trampoline. All such trampolines | |
| 105 | have function names which begin with "__sigtramp". */ | |
| 106 | ||
| 107 | return (func_name != NULL | |
| 108 | && strncmp (func_name, "__sigtramp", 10) == 0); | |
| 109 | } |