gdb/coff-solib.h

   1 /* COFF (SVR3) Shared library declarations for GDB, the GNU Debugger.
   2    Copyright (C) 1992, 1993, 1998, 1999, 2000, 2003, 2007
   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., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 /* Forward decl's for prototypes */
  23 struct target_ops;
  24
  25 /* Called when we free all symtabs, to free the shared library information
  26    as well. */
  27
  28 #if 0
  29 #define CLEAR_SOLIB                     coff_clear_solib
  30
  31 extern void coff_clear_solib (void);
  32 #endif
  33
  34 /* Called to add symbols from a shared library to gdb's symbol table. */
  35
  36 #define SOLIB_ADD(filename, from_tty, targ, readsyms) \
  37     coff_solib_add (filename, from_tty, targ, readsyms)
  38
  39 extern void coff_solib_add (char *, int, struct target_ops *, int);
  40
  41 /* Function to be called when the inferior starts up, to discover the
  42    names of shared libraries that are dynamically linked, the base
  43    addresses to which they are linked, and sufficient information to
  44    read in their symbols at a later time.  */
  45
  46 #define SOLIB_CREATE_INFERIOR_HOOK(PID) coff_solib_create_inferior_hook ()
  47
  48 extern void coff_solib_create_inferior_hook (void);     /* solib.c */
  49
  50 /* Function to be called to remove the connection between debugger and
  51    dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
  52    (This operation does not remove shared library information from
  53    the debugger, as CLEAR_SOLIB does.)
  54
  55    This functionality is presently not implemented for this target.
  56  */
  57 #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0)
  58
  59 /* This function is called by the "catch load" command.  It allows
  60    the debugger to be notified by the dynamic linker when a specified
  61    library file (or any library file, if filename is NULL) is loaded.
  62
  63    Presently, this functionality is not implemented.
  64  */
  65 #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid, tempflag, filename, cond_string) \
  66    error (_("catch of library loads/unloads not yet implemented on this platform"))
  67
  68 /* This function is called by the "catch unload" command.  It allows
  69    the debugger to be notified by the dynamic linker when a specified
  70    library file (or any library file, if filename is NULL) is unloaded.
  71
  72    Presently, this functionality is not implemented.
  73  */
  74 #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid, tempflag, filename, cond_string) \
  75    error (_("catch of library loads/unloads not yet implemented on this platform"))
  76
  77 /* This function returns TRUE if the dynamic linker has just reported
  78    a load of a library.
  79
  80    This function must be used only when the inferior has stopped in
  81    the dynamic linker hook, or undefined results are guaranteed.
  82
  83    Presently, this functionality is not implemented.
  84  */
  85 /*
  86    #define SOLIB_HAVE_LOAD_EVENT(pid) \
  87    error("catch of library loads/unloads not yet implemented on this platform")
  88  */
  89
  90 #define SOLIB_HAVE_LOAD_EVENT(pid) \
  91 (0)
  92
  93 /* This function returns a pointer to the string representation of the
  94    pathname of the dynamically-linked library that has just been loaded.
  95
  96    This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
  97    or undefined results are guaranteed.
  98
  99    This string's contents are only valid immediately after the inferior
 100    has stopped in the dynamic linker hook, and becomes invalid as soon
 101    as the inferior is continued.  Clients should make a copy of this
 102    string if they wish to continue the inferior and then access the string.
 103
 104    Presently, this functionality is not implemented.
 105  */
 106
 107 /*
 108    #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
 109    error("catch of library loads/unloads not yet implemented on this platform")
 110  */
 111
 112 #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
 113 ""
 114
 115 /* This function returns TRUE if the dynamic linker has just reported
 116    an unload of a library.
 117
 118    This function must be used only when the inferior has stopped in
 119    the dynamic linker hook, or undefined results are guaranteed.
 120
 121    Presently, this functionality is not implemented.
 122  */
 123 /*
 124    #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
 125    error("catch of library loads/unloads not yet implemented on this platform")
 126  */
 127
 128 #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
 129 (0)
 130
 131 /* This function returns a pointer to the string representation of the
 132    pathname of the dynamically-linked library that has just been unloaded.
 133
 134    This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
 135    or undefined results are guaranteed.
 136
 137    This string's contents are only valid immediately after the inferior
 138    has stopped in the dynamic linker hook, and becomes invalid as soon
 139    as the inferior is continued.  Clients should make a copy of this
 140    string if they wish to continue the inferior and then access the string.
 141
 142    Presently, this functionality is not implemented.
 143  */
 144 /*
 145    #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
 146    error("catch of library loads/unloads not yet implemented on this platform")
 147  */
 148
 149 #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
 150 ""
 151
 152 /* This function returns TRUE if pc is the address of an instruction that
 153    lies within the dynamic linker (such as the event hook, or the dld
 154    itself).
 155
 156    This function must be used only when a dynamic linker event has been
 157    caught, and the inferior is being stepped out of the hook, or undefined
 158    results are guaranteed.
 159
 160    Presently, this functionality is not implemented.
 161  */
 162
 163 /*
 164    #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
 165    error("catch of library loads/unloads not yet implemented on this platform")
 166  */
 167
 168 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
 169 (0)
 170
 171 /* This function must be called when the inferior is killed, and the program
 172    restarted.  This is not the same as CLEAR_SOLIB, in that it doesn't discard
 173    any symbol tables.
 174
 175    Presently, this functionality is not implemented.
 176  */
 177 #define SOLIB_RESTART() \
 178   (0)
 179
 180 /* If we can't set a breakpoint, and it's in a shared library, just
 181    disable it.  */
 182
 183 #if 0
 184 #define DISABLE_UNSETTABLE_BREAK(addr)  coff_solib_address(addr)
 185
 186 extern int solib_address (CORE_ADDR);   /* solib.c */
 187 #endif