From 0b3366f6a93ac0f7e2028745ea557c0acd8722c6 Mon Sep 17 00:00:00 2001 From: "\"Steven J. Hill\"" Date: Sat, 7 May 2005 02:04:55 +0000 Subject: Import in NPTL code from glibc. For further information please consult the 'README.NPTL' file. --- libpthread/nptl_db/td_symbol_list.c | 85 +++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 libpthread/nptl_db/td_symbol_list.c (limited to 'libpthread/nptl_db/td_symbol_list.c') diff --git a/libpthread/nptl_db/td_symbol_list.c b/libpthread/nptl_db/td_symbol_list.c new file mode 100644 index 000000000..5d6c94e5b --- /dev/null +++ b/libpthread/nptl_db/td_symbol_list.c @@ -0,0 +1,85 @@ +/* Return list of symbols the library can request. + Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2001. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include "thread_dbP.h" + + +#ifdef HAVE_ASM_GLOBAL_DOT_NAME +# define DOT "." /* PPC64 requires . prefix on code symbols. */ +#else +# define DOT /* No prefix. */ +#endif + +static const char *symbol_list_arr[] = +{ +# define DB_STRUCT(type) \ + [SYM_SIZEOF_##type] = "_thread_db_sizeof_" #type, +# define DB_STRUCT_FIELD(type, field) \ + [SYM_##type##_FIELD_##field] = "_thread_db_" #type "_" #field, +# define DB_SYMBOL(name) \ + [SYM_##name] = #name, +# define DB_FUNCTION(name) \ + [SYM_##name] = DOT #name, +# define DB_VARIABLE(name) \ + [SYM_##name] = #name, \ + [SYM_DESC_##name] = "_thread_db_" #name, +# include "structs.def" +# undef DB_STRUCT +# undef DB_FUNCTION +# undef DB_SYMBOL +# undef DB_VARIABLE + + [SYM_TH_UNIQUE_CONST_THREAD_AREA] = "_thread_db_const_thread_area", + [SYM_TH_UNIQUE_REGISTER64] = "_thread_db_register64", + [SYM_TH_UNIQUE_REGISTER32] = "_thread_db_register32", + [SYM_TH_UNIQUE_REGISTER32_THREAD_AREA] = "_thread_db_register32_thread_area", + [SYM_TH_UNIQUE_REGISTER64_THREAD_AREA] = "_thread_db_register64_thread_area", + + [SYM_NUM_MESSAGES] = NULL +}; + + +const char ** +td_symbol_list (void) +{ + return symbol_list_arr; +} + + +ps_err_e +td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr) +{ + ps_err_e result; + assert (idx >= 0 && idx < SYM_NUM_MESSAGES); + result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], + sym_addr); + +#ifdef HAVE_ASM_GLOBAL_DOT_NAME + /* For PowerPC, 64-bit uses dot symbols but 32-bit does not. + We could be a 64-bit libthread_db debugging a 32-bit libpthread. */ + if (result == PS_NOSYM && symbol_list_arr[idx][0] == '.') + result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, &symbol_list_arr[idx][1], + sym_addr); +#endif + + return result; +} -- cgit v1.2.3