gdb/pa64solib.h

   1 /* HP PA64 ELF Shared library declarations for GDB, the GNU Debugger.
   2    Copyright 1999, 2000 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 struct so_list;
  26
  27 /* Called to add symbols from a shared library to gdb's symbol table.  */
  28
  29 #define SOLIB_ADD(filename, from_tty, targ, readsyms) \
  30     pa64_solib_add (filename, from_tty, targ, readsyms)
  31
  32 extern void pa64_solib_add (char *, int, struct target_ops *, int);
  33
  34 extern CORE_ADDR pa64_solib_get_got_by_pc (CORE_ADDR);
  35
  36 /* Function to be called when the inferior starts up, to discover the names
  37    of shared libraries that are dynamically linked, the base addresses to
  38    which they are linked, and sufficient information to read in their symbols
  39    at a later time.  */
  40
  41 #define SOLIB_CREATE_INFERIOR_HOOK(PID) pa64_solib_create_inferior_hook ()
  42
  43 extern void pa64_solib_create_inferior_hook (void);
  44
  45 /* Function to be called to remove the connection between debugger and
  46    dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
  47    (This operation does not remove shared library information from
  48    the debugger, as CLEAR_SOLIB does.)  */
  49 #define SOLIB_REMOVE_INFERIOR_HOOK(PID) pa64_solib_remove_inferior_hook (PID)
  50
  51 extern void pa64_solib_remove_inferior_hook (int);
  52
  53 /* This function is called by the "catch load" command.  It allows
  54    the debugger to be notified by the dynamic linker when a specified
  55    library file (or any library file, if filename is NULL) is loaded.  */
  56 #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid, tempflag, filename, cond_string) \
  57    pa64_solib_create_catch_load_hook (pid, tempflag, filename, cond_string)
  58
  59 extern void pa64_solib_create_catch_load_hook (int, int, char *, char *);
  60
  61 /* This function is called by the "catch unload" command.  It allows
  62    the debugger to be notified by the dynamic linker when a specified
  63    library file (or any library file, if filename is NULL) is unloaded.  */
  64 #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid, tempflag, filename, cond_string) \
  65    pa64_solib_create_catch_unload_hook (pid, tempflag, filename, cond_string)
  66
  67 extern void pa64_solib_create_catch_unload_hook (int, int, char *, char *);
  68
  69 /* This function returns TRUE if the dynamic linker has just reported
  70    a load of a library.
  71
  72    This function must be used only when the inferior has stopped in
  73    the dynamic linker hook, or undefined results are guaranteed.  */
  74 #define SOLIB_HAVE_LOAD_EVENT(pid) \
  75    pa64_solib_have_load_event (pid)
  76
  77 extern int pa64_solib_have_load_event (int);
  78
  79 /* This function returns a pointer to the string representation of the
  80    pathname of the dynamically-linked library that has just been loaded.
  81
  82    This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
  83    or undefined results are guaranteed.
  84
  85    This string's contents are only valid immediately after the inferior
  86    has stopped in the dynamic linker hook, and becomes invalid as soon
  87    as the inferior is continued.  Clients should make a copy of this
  88    string if they wish to continue the inferior and then access the string.  */
  89 #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
  90    pa64_solib_loaded_library_pathname (pid)
  91
  92 extern char *pa64_solib_loaded_library_pathname (int);
  93
  94 /* This function returns TRUE if the dynamic linker has just reported
  95    an unload of a library.
  96
  97    This function must be used only when the inferior has stopped in
  98    the dynamic linker hook, or undefined results are guaranteed.  */
  99 #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
 100    pa64_solib_have_unload_event (pid)
 101
 102 extern int pa64_solib_have_unload_event (int);
 103
 104 /* This function returns a pointer to the string representation of the
 105    pathname of the dynamically-linked library that has just been unloaded.
 106
 107    This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
 108    or undefined results are guaranteed.
 109
 110    This string's contents are only valid immediately after the inferior
 111    has stopped in the dynamic linker hook, and becomes invalid as soon
 112    as the inferior is continued.  Clients should make a copy of this
 113    string if they wish to continue the inferior and then access the string.  */
 114 #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
 115    pa64_solib_unloaded_library_pathname (pid)
 116
 117 extern char *pa64_solib_unloaded_library_pathname (int);
 118
 119 /* This function returns TRUE if pc is the address of an instruction that
 120    lies within the dynamic linker (such as the event hook, or the dld
 121    itself).
 122
 123    This function must be used only when a dynamic linker event has been
 124    caught, and the inferior is being stepped out of the hook, or undefined
 125    results are guaranteed.  */
 126 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
 127    pa64_solib_in_dynamic_linker (pid, pc)
 128
 129 extern int pa64_solib_in_dynamic_linker (int, CORE_ADDR);
 130
 131 /* This function must be called when the inferior is killed, and the program
 132    restarted.  This is not the same as CLEAR_SOLIB, in that it doesn't discard
 133    any symbol tables.
 134
 135    Presently, this functionality is not implemented.  */
 136 #define SOLIB_RESTART() \
 137    pa64_solib_restart ()
 138
 139 extern void pa64_solib_restart (void);
 140
 141 /* If we can't set a breakpoint, and it's in a shared library, just
 142    disable it.  */
 143
 144 #define DISABLE_UNSETTABLE_BREAK(addr)  (pa64_solib_address(addr) != NULL)
 145
 146 extern char *pa64_solib_address (CORE_ADDR);    /* somsolib.c */
 147
 148 /* If ADDR lies in a shared library, return its name.  */
 149
 150 #define PC_SOLIB(addr)  pa64_solib_address (addr)
 151
 152 CORE_ADDR pa64_solib_thread_start_addr (struct so_list *so);