1 /* Shared library declarations for GDB, the GNU Debugger. 2 Copyright 1992, 1993, 1995, 1998, 1999, 2000, 2001, 2003 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 22 #ifndef SOLIB_H 23 #define SOLIB_H 24 25 /* Forward decl's for prototypes */ 26 struct so_list; 27 struct target_ops; 28 29 /* Called when we free all symtabs, to free the shared library information 30 as well. */ 31 32 #define CLEAR_SOLIB clear_solib 33 34 extern void clear_solib (void); 35 36 /* Called to add symbols from a shared library to gdb's symbol table. */ 37 38 #define SOLIB_ADD(filename, from_tty, targ, readsyms) \ 39 solib_add (filename, from_tty, targ, readsyms) 40 41 extern void solib_add (char *, int, struct target_ops *, int); 42 extern int solib_read_symbols (struct so_list *, int); 43 44 /* Function to be called when the inferior starts up, to discover the names 45 of shared libraries that are dynamically linked, the base addresses to 46 which they are linked, and sufficient information to read in their symbols 47 at a later time. */ 48 49 #define SOLIB_CREATE_INFERIOR_HOOK(PID) solib_create_inferior_hook() 50 51 /* Function to be called to remove the connection between debugger and 52 dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK. 53 (This operation does not remove shared library information from 54 the debugger, as CLEAR_SOLIB does.) 55 56 This functionality is presently not implemented for this target. 57 */ 58 #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0) 59 60 extern void solib_create_inferior_hook (void); /* solib.c */ 61 62 /* This function returns TRUE if pc is the address of an instruction that 63 lies within the dynamic linker (such as the event hook, or the dld 64 itself). 65 66 This function must be used only when a dynamic linker event has been 67 caught, and the inferior is being stepped out of the hook, or undefined 68 results are guaranteed. 69 70 Presently, this functionality is not implemented. 71 */ 72 73 /* 74 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ 75 error("catch of library loads/unloads not yet implemented on this platform") 76 */ 77 78 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ 79 (0) 80 81 /* This function must be called when the inferior is killed, and the program 82 restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard 83 any symbol tables. 84 85 Presently, this functionality is not implemented. 86 */ 87 #define SOLIB_RESTART() \ 88 (0) 89 90 /* If we can't set a breakpoint, and it's in a shared library, just 91 disable it. */ 92 93 #define DISABLE_UNSETTABLE_BREAK(addr) (solib_address(addr) != NULL) 94 95 extern char *solib_address (CORE_ADDR); /* solib.c */ 96 97 /* If ADDR lies in a shared library, return its name. */ 98 99 #define PC_SOLIB(addr) solib_address (addr) 100 101 /* Return 1 if PC lies in the dynamic symbol resolution code of the 102 run time loader. */ 103 104 #define IN_SOLIB_DYNSYM_RESOLVE_CODE(pc) in_solib_dynsym_resolve_code (pc) 105 106 extern int in_solib_dynsym_resolve_code (CORE_ADDR); /* solib.c */ 107 108 /* Discard symbols that were auto-loaded from shared libraries. */ 109 110 extern void no_shared_libraries (char *ignored, int from_tty); 111 112 #endif /* SOLIB_H */ 113