Add hooks for mapping DSO library names.

gdb/solib-svr4.c

 /* Handle SVR4 shared libraries for GDB, the GNU Debugger.
 
    Copyright (C) 1990-1996, 1998-2001, 2003-2012 Free Software
    Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
@@ skipping 32 matching lines @@
 
 #include "bfd-target.h"
 #include "elf-bfd.h"
 #include "exec.h"
 #include "auxv.h"
 #include "exceptions.h"
 
 static struct link_map_offsets *svr4_fetch_link_map_offsets (void);
 static int svr4_have_link_map_offsets (void);
 static void svr4_relocate_main_executable (void);
+static char* svr4_map_so_name(char *name);

[eaeltsin, 2012/05/22 13:07:20]

style:
char *svr4_map

[halyavin, 2012/05/22 13:19:37]

Done.

+static int svr4_have_map_so_name (void);
 
 /* Link map info to include in an allocated so_list entry.  */
 
 struct lm_info
   {
     /* Amount by which addresses in the binary should be relocated to
        match the inferior.  The direct inferior value is L_ADDR_INFERIOR.
        When prelinking is involved and the prelink base address changes,
        we may need a different offset - the recomputed offset is in L_ADDR.
        It is commonly the same value.  It is cached as we want to warn about
@@ skipping 1157 matching lines @@
       target_read_string (new->lm_info->l_name, &buffer,
                           SO_NAME_MAX_PATH_SIZE - 1, &errcode);
       if (errcode != 0)
         {
           warning (_("Can't read pathname for load map: %s."),
                    safe_strerror (errcode));
           do_cleanups (old_chain);
           continue;
         }
 
-      strncpy (new->so_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
+      if (svr4_have_map_so_name ())
+        {
+          strncpy (new->so_name, svr4_map_so_name (buffer),
+                   SO_NAME_MAX_PATH_SIZE - 1);
+        }
+      else
+        {
+          strncpy (new->so_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
+        }
       new->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
       strcpy (new->so_original_name, new->so_name);
       xfree (buffer);
 
       /* If this entry has no name, or its name matches the name
          for the main executable, don't include it in the list.  */
       if (! new->so_name[0] || match_main (new->so_name))
         {
           do_cleanups (old_chain);
           continue;
@@ skipping 1067 matching lines @@
                                                                   sec->bfd));
 }
 
 
 
 /* Architecture-specific operations.  */
 
 /* Per-architecture data key.  */
 static struct gdbarch_data *solib_svr4_data;