nptl_db/td_symbol_list.c

   1 /* Return list of symbols the library can request.
   2    Copyright (C) 2001,2002,2003,2009 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library 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 GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <assert.h>
  22 #include <gnu/lib-names.h>
  23 #include "thread_dbP.h"
  24
  25 static const char *symbol_list_arr[] =
  26 {
  27 # define DB_LOOKUP_NAME(idx, name)              [idx] = STRINGIFY (name),
  28 # define DB_LOOKUP_NAME_TH_UNIQUE(idx, name)    [idx] = STRINGIFY (name),
  29 # include "db-symbols.h"
  30 # undef DB_LOOKUP_NAME
  31 # undef DB_LOOKUP_NAME_TH_UNIQUE
  32
  33   [SYM_NUM_MESSAGES] = NULL
  34 };
  35
  36
  37 const char **
  38 td_symbol_list (void)
  39 {
  40   return symbol_list_arr;
  41 }
  42
  43
  44 ps_err_e
  45 td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
  46 {
  47   ps_err_e result;
  48   assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
  49   result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx],
  50                               sym_addr);
  51
  52 #ifdef HAVE_ASM_GLOBAL_DOT_NAME
  53   /* For PowerPC, 64-bit uses dot symbols but 32-bit does not.
  54      We could be a 64-bit libthread_db debugging a 32-bit libpthread.  */
  55   if (result == PS_NOSYM && symbol_list_arr[idx][0] == '.')
  56     result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, &symbol_list_arr[idx][1],
  57                                 sym_addr);
  58 #endif
  59
  60   return result;
  61 }