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
29 ELFTC_VCSID("$Id: dwarf_pro_sections.c 2074 2011-10-27 03:34:33Z jkoshy $");
30
31 Dwarf_Signed
dwarf_transform_to_disk_form(Dwarf_P_Debug dbg,Dwarf_Error * error)32 dwarf_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
46 Dwarf_Ptr
dwarf_get_section_bytes(Dwarf_P_Debug dbg,Dwarf_Signed dwarf_section,Dwarf_Signed * elf_section_index,Dwarf_Unsigned * length,Dwarf_Error * error)47 dwarf_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
73 void
dwarf_reset_section_bytes(Dwarf_P_Debug dbg)74 dwarf_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