| 1 | /* HP PA64 ELF Shared library declarations for GDB, the GNU Debugger. |
| 2 | Copyright (C) 1999 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* Forward decl's for prototypes */ |
| 22 | struct target_ops; |
| 23 | struct objfile; |
| 24 | struct section_offsets; |
| 25 | |
| 26 | /* Called to add symbols from a shared library to gdb's symbol table. */ |
| 27 | |
| 28 | #define SOLIB_ADD(filename, from_tty, targ) \ |
| 29 | pa64_solib_add (filename, from_tty, targ) |
| 30 | |
| 31 | extern void pa64_solib_add (char *, int, struct target_ops *); |
| 32 | |
| 33 | extern CORE_ADDR pa64_solib_get_got_by_pc (CORE_ADDR); |
| 34 | |
| 35 | /* Function to be called when the inferior starts up, to discover the names |
| 36 | of shared libraries that are dynamically linked, the base addresses to |
| 37 | which they are linked, and sufficient information to read in their symbols |
| 38 | at a later time. */ |
| 39 | |
| 40 | #define SOLIB_CREATE_INFERIOR_HOOK(PID) pa64_solib_create_inferior_hook() |
| 41 | |
| 42 | extern void pa64_solib_create_inferior_hook (void); |
| 43 | |
| 44 | /* Function to be called to remove the connection between debugger and |
| 45 | dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK. |
| 46 | (This operation does not remove shared library information from |
| 47 | the debugger, as CLEAR_SOLIB does.) */ |
| 48 | #define SOLIB_REMOVE_INFERIOR_HOOK(PID) pa64_solib_remove_inferior_hook(PID) |
| 49 | |
| 50 | extern void pa64_solib_remove_inferior_hook (int); |
| 51 | |
| 52 | /* This function is called by the "catch load" command. It allows |
| 53 | the debugger to be notified by the dynamic linker when a specified |
| 54 | library file (or any library file, if filename is NULL) is loaded. */ |
| 55 | #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag, filename,cond_string) \ |
| 56 | pa64_solib_create_catch_load_hook (pid, tempflag, filename, cond_string) |
| 57 | |
| 58 | extern void pa64_solib_create_catch_load_hook (int, int, char *, char *); |
| 59 | |
| 60 | /* This function is called by the "catch unload" command. It allows |
| 61 | the debugger to be notified by the dynamic linker when a specified |
| 62 | library file (or any library file, if filename is NULL) is unloaded. */ |
| 63 | #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename, cond_string) \ |
| 64 | pa64_solib_create_catch_unload_hook (pid, tempflag, filename, cond_string) |
| 65 | |
| 66 | extern void pa64_solib_create_catch_unload_hook (int, int, char *, char *); |
| 67 | |
| 68 | /* This function returns TRUE if the dynamic linker has just reported |
| 69 | a load of a library. |
| 70 | |
| 71 | This function must be used only when the inferior has stopped in |
| 72 | the dynamic linker hook, or undefined results are guaranteed. */ |
| 73 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ |
| 74 | pa64_solib_have_load_event (pid) |
| 75 | |
| 76 | extern int pa64_solib_have_load_event (int); |
| 77 | |
| 78 | /* This function returns a pointer to the string representation of the |
| 79 | pathname of the dynamically-linked library that has just been loaded. |
| 80 | |
| 81 | This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE, |
| 82 | or undefined results are guaranteed. |
| 83 | |
| 84 | This string's contents are only valid immediately after the inferior |
| 85 | has stopped in the dynamic linker hook, and becomes invalid as soon |
| 86 | as the inferior is continued. Clients should make a copy of this |
| 87 | string if they wish to continue the inferior and then access the string. */ |
| 88 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ |
| 89 | pa64_solib_loaded_library_pathname (pid) |
| 90 | |
| 91 | extern char *pa64_solib_loaded_library_pathname (int); |
| 92 | |
| 93 | /* This function returns TRUE if the dynamic linker has just reported |
| 94 | an unload of a library. |
| 95 | |
| 96 | This function must be used only when the inferior has stopped in |
| 97 | the dynamic linker hook, or undefined results are guaranteed. */ |
| 98 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ |
| 99 | pa64_solib_have_unload_event (pid) |
| 100 | |
| 101 | extern int pa64_solib_have_unload_event (int); |
| 102 | |
| 103 | /* This function returns a pointer to the string representation of the |
| 104 | pathname of the dynamically-linked library that has just been unloaded. |
| 105 | |
| 106 | This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE, |
| 107 | or undefined results are guaranteed. |
| 108 | |
| 109 | This string's contents are only valid immediately after the inferior |
| 110 | has stopped in the dynamic linker hook, and becomes invalid as soon |
| 111 | as the inferior is continued. Clients should make a copy of this |
| 112 | string if they wish to continue the inferior and then access the string. */ |
| 113 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ |
| 114 | pa64_solib_unloaded_library_pathname (pid) |
| 115 | |
| 116 | extern char *pa64_solib_unloaded_library_pathname (int); |
| 117 | |
| 118 | /* This function returns TRUE if pc is the address of an instruction that |
| 119 | lies within the dynamic linker (such as the event hook, or the dld |
| 120 | itself). |
| 121 | |
| 122 | This function must be used only when a dynamic linker event has been |
| 123 | caught, and the inferior is being stepped out of the hook, or undefined |
| 124 | results are guaranteed. */ |
| 125 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ |
| 126 | pa64_solib_in_dynamic_linker (pid, pc) |
| 127 | |
| 128 | extern int pa64_solib_in_dynamic_linker (int, CORE_ADDR); |
| 129 | |
| 130 | /* This function must be called when the inferior is killed, and the program |
| 131 | restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard |
| 132 | any symbol tables. |
| 133 | |
| 134 | Presently, this functionality is not implemented. */ |
| 135 | #define SOLIB_RESTART() \ |
| 136 | pa64_solib_restart () |
| 137 | |
| 138 | extern void pa64_solib_restart (void); |
| 139 | |
| 140 | /* If we can't set a breakpoint, and it's in a shared library, just |
| 141 | disable it. */ |
| 142 | |
| 143 | #define DISABLE_UNSETTABLE_BREAK(addr) (pa64_solib_address(addr) != NULL) |
| 144 | |
| 145 | extern char *pa64_solib_address (CORE_ADDR); /* somsolib.c */ |
| 146 | |
| 147 | /* If ADDR lies in a shared library, return its name. */ |
| 148 | |
| 149 | #define PC_SOLIB(addr) pa64_solib_address (addr) |