projects / deliverable / binutils-gdb.git / blame
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|---|---|---|
| 13437d4b KB |
1 | /* Handle shared libraries for GDB, the GNU Debugger. |
| 2 | Copyright 2000 | |
| 3 | 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 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 | ||
| da3331ec AC |
22 | struct objfile; |
| 23 | ||
| 13437d4b KB |
24 | /* Critical offsets and sizes which describe struct r_debug and |
| 25 | struct link_map on SVR4-like targets. All offsets and sizes are | |
| 26 | in bytes unless otherwise specified. */ | |
| 27 | ||
| 28 | struct link_map_offsets | |
| 29 | { | |
| 30 | /* Size of struct r_debug (or equivalent), or at least enough of it to | |
| 31 | be able to obtain the r_map field. */ | |
| 32 | int r_debug_size; | |
| 33 | ||
| 34 | /* Offset to the r_map field in struct r_debug. */ | |
| 35 | int r_map_offset; | |
| 36 | ||
| 37 | /* Size of the r_map field in struct r_debug. */ | |
| 38 | int r_map_size; | |
| 39 | ||
| 40 | /* Size of struct link_map (or equivalent), or at least enough of it | |
| 41 | to be able to obtain the fields below. */ | |
| 42 | int link_map_size; | |
| 43 | ||
| 44 | /* Offset to l_addr field in struct link_map. */ | |
| 45 | int l_addr_offset; | |
| 46 | ||
| 47 | /* Size of l_addr field in struct link_map. */ | |
| 48 | int l_addr_size; | |
| 49 | ||
| 50 | /* Offset to l_next field in struct link_map. */ | |
| 51 | int l_next_offset; | |
| 52 | ||
| 53 | /* Size of l_next field in struct link_map. */ | |
| 54 | int l_next_size; | |
| 55 | ||
| 56 | /* Offset to l_prev field in struct link_map. */ | |
| 57 | int l_prev_offset; | |
| 58 | ||
| 59 | /* Size of l_prev field in struct link_map. */ | |
| 60 | int l_prev_size; | |
| 61 | ||
| 62 | /* Offset to l_name field in struct link_map. */ | |
| 63 | int l_name_offset; | |
| 64 | ||
| 65 | /* Size of l_name field in struct link_map. */ | |
| 66 | int l_name_size; | |
| 67 | }; | |
| 68 | ||
| e5e2b9ff KB |
69 | /* set_solib_svr4_fetch_link_map_offsets() is intended to be called by |
| 70 | a <arch>_gdbarch_init() function. It is used to establish an | |
| 71 | architecture specific link_map_offsets fetcher for the architecture | |
| 72 | being defined. */ | |
| 73 | ||
| 74 | extern void set_solib_svr4_fetch_link_map_offsets | |
| 75 | (struct gdbarch *gdbarch, struct link_map_offsets *(*func) (void)); | |
| 21479ded | 76 | |
| 550633cb EZ |
77 | /* This function is called by thread_db.c. Return the address of the |
| 78 | link map for the given objfile. */ | |
| 79 | extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile); | |
| 80 | ||
| 21479ded KB |
81 | /* legacy_svr4_fetch_link_map_offsets_hook is a pointer to a function |
| 82 | which is used to fetch link map offsets. It will only be set | |
| 83 | by solib-legacy.c, if at all. */ | |
| 84 | extern struct link_map_offsets *(*legacy_svr4_fetch_link_map_offsets_hook)(void); |