File: dwarf_pubtypes.c

package info (click to toggle)
dwarfutils 20180809-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 8,228 kB
  • sloc: ansic: 63,382; sh: 5,222; cpp: 4,041; makefile: 548; python: 445; awk: 11
file content (133 lines) | stat: -rw-r--r-- 3,758 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*

  Copyright (C) 2000,2002,2004,2005 Silicon Graphics, Inc.  All Rights Reserved.
  Portions Copyright (C) 2009-2010 David Anderson. All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2.1 of the GNU Lesser General Public License
  as published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement
  or the like.  Any license provided herein, whether implied or
  otherwise, applies only to this software file.  Patent licenses, if
  any, provided herein do not apply to combinations of this program with
  other software, or any other product whatsoever.

  You should have received a copy of the GNU Lesser General Public
  License along with this program; if not, write the Free Software
  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
  USA.

*/

/* Reads DWARF3 .debug_pubtypes section. */

#include "config.h"
#include <stdio.h>
#include "dwarf_incl.h"
#include "dwarf_error.h"
#include "dwarf_types.h"
#include "dwarf_global.h"

int
dwarf_get_pubtypes(Dwarf_Debug dbg,
    Dwarf_Type ** types,
    Dwarf_Signed * ret_type_count, Dwarf_Error * error)
{
    int res = _dwarf_load_section(dbg, &dbg->de_debug_pubtypes,error);
    if (res != DW_DLV_OK) {
        return res;
    }
    if (!dbg->de_debug_pubtypes.dss_size) {
        return (DW_DLV_NO_ENTRY);
    }


    return _dwarf_internal_get_pubnames_like_data(dbg,
        dbg->de_debug_pubtypes.dss_data,
        dbg->de_debug_pubtypes.dss_size,
        (Dwarf_Global **) types, /* Type punning for sections
            with identical format. */
        ret_type_count, error,
        DW_DLA_PUBTYPES_CONTEXT,
        DW_DLA_GLOBAL, /* We don't have DW_DLA_PUBTYPES,
            so use DW_DLA_GLOBAL. */
        DW_DLE_DEBUG_PUBTYPES_LENGTH_BAD,
        DW_DLE_DEBUG_PUBTYPES_VERSION_ERROR);
}

/* Deallocating fully requires deallocating the list
   and all entries.  But some internal data is
   not exposed, so we need a function with internal knowledge.
*/

void
dwarf_pubtypes_dealloc(Dwarf_Debug dbg, Dwarf_Type * dwgl,
    Dwarf_Signed count)
{
    _dwarf_internal_globals_dealloc(dbg,
        (Dwarf_Global *) dwgl,
        count,
        DW_DLA_PUBTYPES_CONTEXT,
        DW_DLA_GLOBAL, /* We don't have DW_DLA_PUBTYPES,
            so use DW_DLA_GLOBAL. */
        DW_DLA_LIST);
    return;
}



int
dwarf_pubtypename(Dwarf_Type type_in, char **ret_name,
    Dwarf_Error * error)
{
    Dwarf_Global type = (Dwarf_Global) type_in;
    if (type == NULL) {
        _dwarf_error(NULL, error, DW_DLE_TYPE_NULL);
        return (DW_DLV_ERROR);
    }
    *ret_name = (char *) (type->gl_name);
    return DW_DLV_OK;
}


int
dwarf_pubtype_type_die_offset(Dwarf_Type type_in,
    Dwarf_Off * ret_offset,
    Dwarf_Error * error)
{
    Dwarf_Global type = (Dwarf_Global) type_in;

    return dwarf_global_die_offset(type, ret_offset, error);
}


int
dwarf_pubtype_cu_offset(Dwarf_Type type_in,
    Dwarf_Off * ret_offset, Dwarf_Error * error)
{
    Dwarf_Global type = (Dwarf_Global) type_in;

    return dwarf_global_cu_offset(type, ret_offset, error);

}


int
dwarf_pubtype_name_offsets(Dwarf_Type type_in,
    char **returned_name,
    Dwarf_Off * die_offset,
    Dwarf_Off * cu_die_offset,
    Dwarf_Error * error)
{
    Dwarf_Global type = (Dwarf_Global) type_in;

    return dwarf_global_name_offsets(type,
        returned_name,
        die_offset, cu_die_offset, error);
}