1 /* 2 3 Copyright (C) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. 4 Portions Copyright (C) 2009-2010 David Anderson. All Rights Reserved. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms of version 2.1 of the GNU Lesser General Public License 8 as published by the Free Software Foundation. 9 10 This program is distributed in the hope that it would be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 13 14 Further, this software is distributed without any warranty that it is 15 free of the rightful claim of any third person regarding infringement 16 or the like. Any license provided herein, whether implied or 17 otherwise, applies only to this software file. Patent licenses, if 18 any, provided herein do not apply to combinations of this program with 19 other software, or any other product whatsoever. 20 21 You should have received a copy of the GNU Lesser General Public 22 License along with this program; if not, write the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, 24 USA. 25 26 */ 27 28 #include "config.h" 29 #include <stdio.h> 30 #include "dwarf_incl.h" 31 #include "dwarf_error.h" 32 #include "dwarf_weaks.h" 33 #include "dwarf_global.h" 34 35 int 36 dwarf_get_weaks(Dwarf_Debug dbg, 37 Dwarf_Weak ** weaks, 38 Dwarf_Signed * ret_weak_count, Dwarf_Error * error) 39 { 40 int res = _dwarf_load_section(dbg, &dbg->de_debug_weaknames,error); 41 if (res != DW_DLV_OK) { 42 return res; 43 } 44 if (!dbg->de_debug_weaknames.dss_size) { 45 return (DW_DLV_NO_ENTRY); 46 } 47 48 49 return _dwarf_internal_get_pubnames_like_data(dbg, 50 dbg->de_debug_weaknames.dss_data, 51 dbg->de_debug_weaknames.dss_size, 52 (Dwarf_Global **) weaks, /* Type punning for sections 53 with identical format. */ 54 ret_weak_count, 55 error, 56 DW_DLA_WEAK_CONTEXT, 57 DW_DLA_WEAK, 58 DW_DLE_DEBUG_WEAKNAMES_LENGTH_BAD, 59 DW_DLE_DEBUG_WEAKNAMES_VERSION_ERROR); 60 } 61 62 /* Deallocating fully requires deallocating the list 63 and all entries. But some internal data is 64 not exposed, so we need a function with internal knowledge. 65 */ 66 67 void 68 dwarf_weaks_dealloc(Dwarf_Debug dbg, Dwarf_Weak * dwgl, 69 Dwarf_Signed count) 70 { 71 _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl, 72 count, 73 DW_DLA_WEAK_CONTEXT, 74 DW_DLA_WEAK, DW_DLA_LIST); 75 return; 76 } 77 78 79 80 int 81 dwarf_weakname(Dwarf_Weak weak_in, char **ret_name, Dwarf_Error * error) 82 { 83 Dwarf_Global weak = (Dwarf_Global) weak_in; 84 85 if (weak == NULL) { 86 _dwarf_error(NULL, error, DW_DLE_WEAK_NULL); 87 return (DW_DLV_ERROR); 88 } 89 *ret_name = (char *) (weak->gl_name); 90 return DW_DLV_OK; 91 } 92 93 94 int 95 dwarf_weak_die_offset(Dwarf_Weak weak_in, 96 Dwarf_Off * weak_off, Dwarf_Error * error) 97 { 98 Dwarf_Global weak = (Dwarf_Global) weak_in; 99 100 return dwarf_global_die_offset(weak, weak_off, error); 101 } 102 103 104 int 105 dwarf_weak_cu_offset(Dwarf_Weak weak_in, 106 Dwarf_Off * weak_off, Dwarf_Error * error) 107 { 108 Dwarf_Global weak = (Dwarf_Global) weak_in; 109 110 return dwarf_global_cu_offset(weak, weak_off, error); 111 } 112 113 114 int 115 dwarf_weak_name_offsets(Dwarf_Weak weak_in, 116 char **weak_name, 117 Dwarf_Off * die_offset, 118 Dwarf_Off * cu_offset, Dwarf_Error * error) 119 { 120 Dwarf_Global weak = (Dwarf_Global) weak_in; 121 122 return dwarf_global_name_offsets(weak, 123 weak_name, die_offset, cu_offset, error); 124 } 125