gdb/pa64solib.h

   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 #ifdef __STDC__
  23 struct target_ops;
  24 struct objfile;
  25 struct section_offsets;
  26 #endif
  27
  28 /* Called to add symbols from a shared library to gdb's symbol table.  */
  29
  30 #define SOLIB_ADD(filename, from_tty, targ) \
  31     pa64_solib_add (filename, from_tty, targ)
  32
  33 extern void
  34   pa64_solib_add PARAMS ((char *, int, struct target_ops *));
  35
  36 extern CORE_ADDR
  37   pa64_solib_get_got_by_pc PARAMS ((CORE_ADDR));
  38
  39 /* Function to be called when the inferior starts up, to discover the names
  40    of shared libraries that are dynamically linked, the base addresses to
  41    which they are linked, and sufficient information to read in their symbols
  42    at a later time.  */
  43
  44 #define SOLIB_CREATE_INFERIOR_HOOK(PID) pa64_solib_create_inferior_hook()
  45
  46 extern void
  47   pa64_solib_create_inferior_hook PARAMS ((void));
  48
  49 /* Function to be called to remove the connection between debugger and
  50    dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
  51    (This operation does not remove shared library information from
  52    the debugger, as CLEAR_SOLIB does.)  */
  53 #define SOLIB_REMOVE_INFERIOR_HOOK(PID) pa64_solib_remove_inferior_hook(PID)
  54
  55 extern void
  56   pa64_solib_remove_inferior_hook PARAMS ((int));
  57
  58 /* This function is called by the "catch load" command.  It allows
  59    the debugger to be notified by the dynamic linker when a specified
  60    library file (or any library file, if filename is NULL) is loaded.  */
  61 #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag, filename,cond_string) \
  62    pa64_solib_create_catch_load_hook (pid, tempflag, filename, cond_string)
  63
  64 extern void
  65   pa64_solib_create_catch_load_hook PARAMS ((int, int, char *, char *));
  66
  67 /* This function is called by the "catch unload" command.  It allows
  68    the debugger to be notified by the dynamic linker when a specified
  69    library file (or any library file, if filename is NULL) is unloaded.  */
  70 #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename, cond_string) \
  71    pa64_solib_create_catch_unload_hook (pid, tempflag, filename, cond_string)
  72
  73 extern void
  74   pa64_solib_create_catch_unload_hook PARAMS ((int, int, char *, char *));
  75
  76 /* This function returns TRUE if the dynamic linker has just reported
  77    a load of a library.
  78
  79    This function must be used only when the inferior has stopped in
  80    the dynamic linker hook, or undefined results are guaranteed.  */
  81 #define SOLIB_HAVE_LOAD_EVENT(pid) \
  82    pa64_solib_have_load_event (pid)
  83
  84 extern int
  85   pa64_solib_have_load_event PARAMS ((int));
  86
  87 /* This function returns a pointer to the string representation of the
  88    pathname of the dynamically-linked library that has just been loaded.
  89
  90    This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
  91    or undefined results are guaranteed.
  92
  93    This string's contents are only valid immediately after the inferior
  94    has stopped in the dynamic linker hook, and becomes invalid as soon
  95    as the inferior is continued.  Clients should make a copy of this
  96    string if they wish to continue the inferior and then access the string.  */
  97 #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
  98    pa64_solib_loaded_library_pathname (pid)
  99
 100 extern char *
 101   pa64_solib_loaded_library_pathname PARAMS ((int));
 102
 103 /* This function returns TRUE if the dynamic linker has just reported
 104    an unload of a library.
 105
 106    This function must be used only when the inferior has stopped in
 107    the dynamic linker hook, or undefined results are guaranteed.  */
 108 #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
 109    pa64_solib_have_unload_event (pid)
 110
 111 extern int
 112   pa64_solib_have_unload_event PARAMS ((int));
 113
 114 /* This function returns a pointer to the string representation of the
 115    pathname of the dynamically-linked library that has just been unloaded.
 116
 117    This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
 118    or undefined results are guaranteed.
 119
 120    This string's contents are only valid immediately after the inferior
 121    has stopped in the dynamic linker hook, and becomes invalid as soon
 122    as the inferior is continued.  Clients should make a copy of this
 123    string if they wish to continue the inferior and then access the string.  */
 124 #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
 125    pa64_solib_unloaded_library_pathname (pid)
 126
 127 extern char *
 128   pa64_solib_unloaded_library_pathname PARAMS ((int));
 129
 130 /* This function returns TRUE if pc is the address of an instruction that
 131    lies within the dynamic linker (such as the event hook, or the dld
 132    itself).
 133
 134    This function must be used only when a dynamic linker event has been
 135    caught, and the inferior is being stepped out of the hook, or undefined
 136    results are guaranteed.  */
 137 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
 138    pa64_solib_in_dynamic_linker (pid, pc)
 139
 140 extern int
 141   pa64_solib_in_dynamic_linker PARAMS ((int, CORE_ADDR));
 142
 143 /* This function must be called when the inferior is killed, and the program
 144    restarted.  This is not the same as CLEAR_SOLIB, in that it doesn't discard
 145    any symbol tables.
 146
 147    Presently, this functionality is not implemented.  */
 148 #define SOLIB_RESTART() \
 149    pa64_solib_restart ()
 150
 151 extern void
 152   pa64_solib_restart PARAMS ((void));
 153
 154 /* If we can't set a breakpoint, and it's in a shared library, just
 155    disable it.  */
 156
 157 #define DISABLE_UNSETTABLE_BREAK(addr)  (pa64_solib_address(addr) != NULL)
 158
 159 extern char *
 160   pa64_solib_address PARAMS ((CORE_ADDR));      /* somsolib.c */
 161
 162 /* If ADDR lies in a shared library, return its name.  */
 163
 164 #define PC_SOLIB(addr)  pa64_solib_address (addr)