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  Contact information:  Silicon Graphics, Inc., 1500 Crittenden Lane,
27  Mountain View, CA 94043, or:
28
29  http://www.sgi.com
30
31  For further information regarding this notice, see:
32
33  http://oss.sgi.com/projects/GenInfo/NoticeExplan
34
35*/
36
37
38
39#include "config.h"
40#include "dwarf_incl.h"
41#include <stdio.h>
42#include "dwarf_funcs.h"
43#include "dwarf_global.h"
44
45int
46dwarf_get_funcs(Dwarf_Debug dbg,
47    Dwarf_Func ** funcs,
48    Dwarf_Signed * ret_func_count, Dwarf_Error * error)
49{
50    int res = _dwarf_load_section(dbg, &dbg->de_debug_funcnames,error);
51    if (res != DW_DLV_OK) {
52        return res;
53    }
54
55    return _dwarf_internal_get_pubnames_like_data(dbg,
56        dbg->de_debug_funcnames.dss_data,
57        dbg->de_debug_funcnames.dss_size,
58        (Dwarf_Global **) funcs, /* Type punning for sections with identical format. */
59        ret_func_count,
60        error,
61        DW_DLA_FUNC_CONTEXT,
62        DW_DLA_FUNC,
63        DW_DLE_DEBUG_FUNCNAMES_LENGTH_BAD,
64        DW_DLE_DEBUG_FUNCNAMES_VERSION_ERROR);
65}
66
67/* Deallocating fully requires deallocating the list
68   and all entries.  But some internal data is
69   not exposed, so we need a function with internal knowledge.
70*/
71
72void
73dwarf_funcs_dealloc(Dwarf_Debug dbg, Dwarf_Func * dwgl,
74    Dwarf_Signed count)
75{
76    _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl,
77        count,
78        DW_DLA_FUNC_CONTEXT,
79        DW_DLA_FUNC, DW_DLA_LIST);
80    return;
81}
82
83
84
85int
86dwarf_funcname(Dwarf_Func func_in, char **ret_name, Dwarf_Error * error)
87{
88    Dwarf_Global func = (Dwarf_Global) func_in;
89
90    if (func == NULL) {
91        _dwarf_error(NULL, error, DW_DLE_FUNC_NULL);
92        return (DW_DLV_ERROR);
93    }
94
95    *ret_name = (char *) (func->gl_name);
96    return DW_DLV_OK;
97}
98
99int
100dwarf_func_die_offset(Dwarf_Func func_in,
101    Dwarf_Off * return_offset, Dwarf_Error * error)
102{
103    Dwarf_Global func = (Dwarf_Global) func_in;
104
105    return dwarf_global_die_offset(func, return_offset, error);
106}
107
108
109int
110dwarf_func_cu_offset(Dwarf_Func func_in,
111    Dwarf_Off * return_offset, Dwarf_Error * error)
112{
113    Dwarf_Global func = (Dwarf_Global) func_in;
114
115    return dwarf_global_cu_offset(func, return_offset, error);
116}
117
118
119int
120dwarf_func_name_offsets(Dwarf_Func func_in,
121    char **ret_func_name,
122    Dwarf_Off * die_offset,
123    Dwarf_Off * cu_die_offset, Dwarf_Error * error)
124{
125    Dwarf_Global func = (Dwarf_Global) func_in;
126
127    return dwarf_global_name_offsets(func,
128        ret_func_name,
129        die_offset, cu_die_offset, error);
130}
131