1/*-
2 * Copyright (c) 2010 Kai Wang
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include "_libdwarf.h"
28
29ELFTC_VCSID("$Id: dwarf_pro_sections.c 2074 2011-10-27 03:34:33Z jkoshy $");
30
31Dwarf_Signed
32dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error)
33{
34
35	if (dbg == NULL) {
36		DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
37		return (DW_DLV_NOCOUNT);
38	}
39
40	if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE)
41		return (DW_DLV_NOCOUNT);
42
43	return (dbg->dbgp_seccnt);
44}
45
46Dwarf_Ptr
47dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section,
48    Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error)
49{
50	Dwarf_Ptr data;
51
52	(void) dwarf_section;	/* ignored. */
53
54	if (dbg == NULL || elf_section_index == NULL || length == NULL) {
55		DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
56		return (NULL);
57	}
58
59	if (dbg->dbgp_secpos == NULL) {
60		DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
61		return (NULL);
62	}
63
64	*elf_section_index = dbg->dbgp_secpos->ds_ndx;
65	*length = dbg->dbgp_secpos->ds_size;
66	data = dbg->dbgp_secpos->ds_data;
67
68	dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next);
69
70	return (data);
71}
72
73void
74dwarf_reset_section_bytes(Dwarf_P_Debug dbg)
75{
76
77	assert(dbg != NULL);
78
79	dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist);
80	dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist);
81}
82