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_funcs.h" 33 #include "dwarf_global.h" 34 35 int 36 dwarf_get_funcs(Dwarf_Debug dbg, 37 Dwarf_Func ** funcs, 38 Dwarf_Signed * ret_func_count, Dwarf_Error * error) 39 { 40 int res = _dwarf_load_section(dbg, &dbg->de_debug_funcnames,error); 41 if (res != DW_DLV_OK) { 42 return res; 43 } 44 if (!dbg->de_debug_funcnames.dss_size) { 45 return (DW_DLV_NO_ENTRY); 46 } 47 48 49 return _dwarf_internal_get_pubnames_like_data(dbg, 50 dbg->de_debug_funcnames.dss_data, 51 dbg->de_debug_funcnames.dss_size, 52 (Dwarf_Global **) funcs, /* Type punning for sections with identical format. */ 53 ret_func_count, 54 error, 55 DW_DLA_FUNC_CONTEXT, 56 DW_DLA_FUNC, 57 DW_DLE_DEBUG_FUNCNAMES_LENGTH_BAD, 58 DW_DLE_DEBUG_FUNCNAMES_VERSION_ERROR); 59 } 60 61 /* Deallocating fully requires deallocating the list 62 and all entries. But some internal data is 63 not exposed, so we need a function with internal knowledge. 64 */ 65 66 void 67 dwarf_funcs_dealloc(Dwarf_Debug dbg, Dwarf_Func * dwgl, 68 Dwarf_Signed count) 69 { 70 _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl, 71 count, 72 DW_DLA_FUNC_CONTEXT, 73 DW_DLA_FUNC, DW_DLA_LIST); 74 return; 75 } 76 77 78 79 int 80 dwarf_funcname(Dwarf_Func func_in, char **ret_name, Dwarf_Error * error) 81 { 82 Dwarf_Global func = (Dwarf_Global) func_in; 83 84 if (func == NULL) { 85 _dwarf_error(NULL, error, DW_DLE_FUNC_NULL); 86 return (DW_DLV_ERROR); 87 } 88 89 *ret_name = (char *) (func->gl_name); 90 return DW_DLV_OK; 91 } 92 93 int 94 dwarf_func_die_offset(Dwarf_Func func_in, 95 Dwarf_Off * return_offset, Dwarf_Error * error) 96 { 97 Dwarf_Global func = (Dwarf_Global) func_in; 98 99 return dwarf_global_die_offset(func, return_offset, error); 100 } 101 102 103 int 104 dwarf_func_cu_offset(Dwarf_Func func_in, 105 Dwarf_Off * return_offset, Dwarf_Error * error) 106 { 107 Dwarf_Global func = (Dwarf_Global) func_in; 108 109 return dwarf_global_cu_offset(func, return_offset, error); 110 } 111 112 113 int 114 dwarf_func_name_offsets(Dwarf_Func func_in, 115 char **ret_func_name, 116 Dwarf_Off * die_offset, 117 Dwarf_Off * cu_die_offset, Dwarf_Error * error) 118 { 119 Dwarf_Global func = (Dwarf_Global) func_in; 120 121 return dwarf_global_name_offsets(func, 122 ret_func_name, 123 die_offset, cu_die_offset, error); 124 } 125