/* Handle SOM shared libraries.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GDB.
clear_symtab_users ();
}
-/* This operation removes the "hook" between GDB and the dynamic linker,
- which causes the dld to notify GDB of shared library events.
-
- After this operation completes, the dld will no longer notify GDB of
- shared library events. To resume notifications, GDB must call
- som_solib_create_inferior_hook.
-
- This operation does not remove any knowledge of shared libraries
- of which GDB may already have been notified.
- */
-static void
-som_solib_remove_inferior_hook (int pid)
-{
- CORE_ADDR addr;
- struct minimal_symbol *msymbol;
- int status;
- char dld_flags_buffer[4];
- unsigned int dld_flags_value;
- struct cleanup *old_cleanups = save_inferior_ptid ();
-
- /* Ensure that we're really operating on the specified process. */
- inferior_ptid = pid_to_ptid (pid);
-
- /* We won't bother to remove the solib breakpoints from this process.
-
- In fact, on PA64 the breakpoint is hard-coded into the dld callback,
- and thus we're not supposed to remove it.
-
- Rather, we'll merely clear the dld_flags bit that enables callbacks.
- */
- msymbol = lookup_minimal_symbol ("__dld_flags", NULL, NULL);
-
- addr = SYMBOL_VALUE_ADDRESS (msymbol);
- status = target_read_memory (addr, dld_flags_buffer, 4);
-
- dld_flags_value = extract_unsigned_integer (dld_flags_buffer, 4);
-
- dld_flags_value &= ~DLD_FLAGS_HOOKVALID;
- store_unsigned_integer (dld_flags_buffer, 4, dld_flags_value);
- status = target_write_memory (addr, dld_flags_buffer, 4);
-
- do_cleanups (old_cleanups);
-}
-
static void
som_special_symbol_handling (void)
{
read_memory (addr, buf, 4);
addr = extract_unsigned_integer (buf, 4);
if (addr == 0)
- error (_("Debugging dynamic executables loaded via the hpux8 dld.sl is not supported."));
+ return 0;
read_memory (addr, buf, 4);
return extract_unsigned_integer (buf, 4);