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 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)