1 /* Return list of symbols the library can request.
2 Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
22 #include <gnu/lib-names.h>
24 #include "thread_dbP.h"
27 #ifdef HAVE_ASM_GLOBAL_DOT_NAME
28 # define DOT "." /* PPC64 requires . prefix on code symbols. */
30 # define DOT /* No prefix. */
33 static const char *symbol_list_arr[] =
35 # define DB_STRUCT(type) \
36 [SYM_SIZEOF_##type] = "_thread_db_sizeof_" #type,
37 # define DB_STRUCT_FIELD(type, field) \
38 [SYM_##type##_FIELD_##field] = "_thread_db_" #type "_" #field,
39 # define DB_SYMBOL(name) \
41 # define DB_FUNCTION(name) \
42 [SYM_##name] = DOT #name,
43 # define DB_VARIABLE(name) \
44 [SYM_##name] = #name, \
45 [SYM_DESC_##name] = "_thread_db_" #name,
46 # include "structs.def"
52 [SYM_TH_UNIQUE_CONST_THREAD_AREA] = "_thread_db_const_thread_area",
53 [SYM_TH_UNIQUE_REGISTER64] = "_thread_db_register64",
54 [SYM_TH_UNIQUE_REGISTER32] = "_thread_db_register32",
55 [SYM_TH_UNIQUE_REGISTER32_THREAD_AREA] = "_thread_db_register32_thread_area",
56 [SYM_TH_UNIQUE_REGISTER64_THREAD_AREA] = "_thread_db_register64_thread_area",
58 [SYM_NUM_MESSAGES] = NULL
65 return symbol_list_arr;
70 td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
73 assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
74 result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx],
77 #ifdef HAVE_ASM_GLOBAL_DOT_NAME
78 /* For PowerPC, 64-bit uses dot symbols but 32-bit does not.
79 We could be a 64-bit libthread_db debugging a 32-bit libpthread. */
80 if (result == PS_NOSYM && symbol_list_arr[idx][0] == '.')
81 result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, &symbol_list_arr[idx][1],