1 /* $NetBSD: dwarf_pro_sections.c,v 1.4 2022/05/01 17:20:47 jkoshy Exp $ */
2
3 /*-
4 * Copyright (c) 2010 Kai Wang
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "_libdwarf.h"
30
31 __RCSID("$NetBSD: dwarf_pro_sections.c,v 1.4 2022/05/01 17:20:47 jkoshy Exp $");
32 ELFTC_VCSID("Id: dwarf_pro_sections.c 2074 2011-10-27 03:34:33Z jkoshy");
33
34 Dwarf_Signed
dwarf_transform_to_disk_form(Dwarf_P_Debug dbg,Dwarf_Error * error)35 dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error)
36 {
37
38 if (dbg == NULL) {
39 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
40 return (DW_DLV_NOCOUNT);
41 }
42
43 if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE)
44 return (DW_DLV_NOCOUNT);
45
46 return (dbg->dbgp_seccnt);
47 }
48
49 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)50 dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section,
51 Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error)
52 {
53 Dwarf_Ptr data;
54
55 (void) dwarf_section; /* ignored. */
56
57 if (dbg == NULL || elf_section_index == NULL || length == NULL) {
58 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
59 return (NULL);
60 }
61
62 if (dbg->dbgp_secpos == NULL) {
63 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
64 return (NULL);
65 }
66
67 *elf_section_index = dbg->dbgp_secpos->ds_ndx;
68 *length = dbg->dbgp_secpos->ds_size;
69 data = dbg->dbgp_secpos->ds_data;
70
71 dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next);
72
73 return (data);
74 }
75
76 void
dwarf_reset_section_bytes(Dwarf_P_Debug dbg)77 dwarf_reset_section_bytes(Dwarf_P_Debug dbg)
78 {
79
80 assert(dbg != NULL);
81
82 dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist);
83 dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist);
84 }
85