mirror of git://sourceware.org/git/glibc.git
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/* Return list of symbols the library can request.
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Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <assert.h>
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#include <gnu/lib-names.h>
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#include "thread_dbP.h"
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#ifdef HAVE_ASM_GLOBAL_DOT_NAME
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# define DOT "." /* PPC64 requires . prefix on code symbols. */
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#else
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# define DOT /* No prefix. */
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#endif
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static const char *symbol_list_arr[] =
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{
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# define DB_STRUCT(type) \
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[SYM_SIZEOF_##type] = "_thread_db_sizeof_" #type,
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# define DB_STRUCT_FIELD(type, field) \
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[SYM_##type##_FIELD_##field] = "_thread_db_" #type "_" #field,
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# define DB_SYMBOL(name) \
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[SYM_##name] = #name,
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# define DB_FUNCTION(name) \
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[SYM_##name] = DOT #name,
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# define DB_VARIABLE(name) \
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[SYM_##name] = #name, \
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[SYM_DESC_##name] = "_thread_db_" #name,
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# include "structs.def"
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# undef DB_STRUCT
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# undef DB_FUNCTION
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# undef DB_SYMBOL
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# undef DB_VARIABLE
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[SYM_TH_UNIQUE_CONST_THREAD_AREA] = "_thread_db_const_thread_area",
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[SYM_TH_UNIQUE_REGISTER64] = "_thread_db_register64",
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[SYM_TH_UNIQUE_REGISTER32] = "_thread_db_register32",
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[SYM_TH_UNIQUE_REGISTER32_THREAD_AREA] = "_thread_db_register32_thread_area",
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[SYM_TH_UNIQUE_REGISTER64_THREAD_AREA] = "_thread_db_register64_thread_area",
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[SYM_NUM_MESSAGES] = NULL
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};
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const char **
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td_symbol_list (void)
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{
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return symbol_list_arr;
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}
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ps_err_e
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td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
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{
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ps_err_e result;
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assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
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result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx],
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sym_addr);
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#ifdef HAVE_ASM_GLOBAL_DOT_NAME
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/* For PowerPC, 64-bit uses dot symbols but 32-bit does not.
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We could be a 64-bit libthread_db debugging a 32-bit libpthread. */
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if (result == PS_NOSYM && symbol_list_arr[idx][0] == '.')
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result = ps_pglobal_lookup (ps, LIBPTHREAD_SO, &symbol_list_arr[idx][1],
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sym_addr);
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#endif
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return result;
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}
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