projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 13437d4b | 1 | /* Handle shared libraries for GDB, the GNU Debugger. |
| e4bbbda8 | 2 | |
| 618f726f | 3 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| 13437d4b KB |
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 | |
| a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
| 13437d4b KB |
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 | |
| a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 13437d4b | 19 | |
| 82b38f72 MK |
20 | #ifndef SOLIB_SVR4_H |
| 21 | #define SOLIB_SVR4_H | |
| db1ea9ba | 22 | |
| da3331ec | 23 | struct objfile; |
| 7d522c90 DJ |
24 | struct target_so_ops; |
| 25 | ||
| 26 | extern struct target_so_ops svr4_so_ops; | |
| da3331ec | 27 | |
| 13437d4b KB |
28 | /* Critical offsets and sizes which describe struct r_debug and |
| 29 | struct link_map on SVR4-like targets. All offsets and sizes are | |
| 30 | in bytes unless otherwise specified. */ | |
| 31 | ||
| 32 | struct link_map_offsets | |
| 33 | { | |
| e4cd0d6a MK |
34 | /* Offset and size of r_debug.r_version. */ |
| 35 | int r_version_offset, r_version_size; | |
| 13437d4b | 36 | |
| e4cd0d6a | 37 | /* Offset of r_debug.r_map. */ |
| 13437d4b KB |
38 | int r_map_offset; |
| 39 | ||
| 7cd25cfc DJ |
40 | /* Offset of r_debug.r_brk. */ |
| 41 | int r_brk_offset; | |
| 42 | ||
| e4cd0d6a MK |
43 | /* Offset of r_debug.r_ldsomap. */ |
| 44 | int r_ldsomap_offset; | |
| 13437d4b KB |
45 | |
| 46 | /* Size of struct link_map (or equivalent), or at least enough of it | |
| 47 | to be able to obtain the fields below. */ | |
| 48 | int link_map_size; | |
| 49 | ||
| 50 | /* Offset to l_addr field in struct link_map. */ | |
| 51 | int l_addr_offset; | |
| 52 | ||
| cc10cae3 AO |
53 | /* Offset to l_ld field in struct link_map. */ |
| 54 | int l_ld_offset; | |
| 55 | ||
| 13437d4b KB |
56 | /* Offset to l_next field in struct link_map. */ |
| 57 | int l_next_offset; | |
| 58 | ||
| 13437d4b KB |
59 | /* Offset to l_prev field in struct link_map. */ |
| 60 | int l_prev_offset; | |
| 61 | ||
| 13437d4b KB |
62 | /* Offset to l_name field in struct link_map. */ |
| 63 | int l_name_offset; | |
| 13437d4b KB |
64 | }; |
| 65 | ||
| e5e2b9ff KB |
66 | /* set_solib_svr4_fetch_link_map_offsets() is intended to be called by |
| 67 | a <arch>_gdbarch_init() function. It is used to establish an | |
| 68 | architecture specific link_map_offsets fetcher for the architecture | |
| 69 | being defined. */ | |
| 70 | ||
| 71 | extern void set_solib_svr4_fetch_link_map_offsets | |
| 72 | (struct gdbarch *gdbarch, struct link_map_offsets *(*func) (void)); | |
| 21479ded | 73 | |
| 550633cb EZ |
74 | /* This function is called by thread_db.c. Return the address of the |
| 75 | link map for the given objfile. */ | |
| 76 | extern CORE_ADDR svr4_fetch_objfile_link_map (struct objfile *objfile); | |
| 77 | ||
| e4bbbda8 MK |
78 | /* Fetch (and possibly build) an appropriate `struct link_map_offsets' |
| 79 | for ILP32 and LP64 SVR4 systems. */ | |
| 80 | extern struct link_map_offsets *svr4_ilp32_fetch_link_map_offsets (void); | |
| 81 | extern struct link_map_offsets *svr4_lp64_fetch_link_map_offsets (void); | |
| db1ea9ba | 82 | |
| 7d522c90 DJ |
83 | /* Return 1 if PC lies in the dynamic symbol resolution code of the |
| 84 | SVR4 run time loader. */ | |
| 85 | int svr4_in_dynsym_resolve_code (CORE_ADDR pc); | |
| 86 | ||
| 82b38f72 | 87 | #endif /* solib-svr4.h */ |