1*0a6a1f1dSLionel Sambuc /* $NetBSD: dwarf_macinfo.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2009,2011 Kai Wang
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*0a6a1f1dSLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*0a6a1f1dSLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*0a6a1f1dSLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*0a6a1f1dSLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*0a6a1f1dSLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*0a6a1f1dSLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*0a6a1f1dSLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*0a6a1f1dSLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*0a6a1f1dSLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*0a6a1f1dSLionel Sambuc * SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include "_libdwarf.h"
30*0a6a1f1dSLionel Sambuc
31*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: dwarf_macinfo.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
32*0a6a1f1dSLionel Sambuc ELFTC_VCSID("Id: dwarf_macinfo.c 2074 2011-10-27 03:34:33Z jkoshy ");
33*0a6a1f1dSLionel Sambuc
34*0a6a1f1dSLionel Sambuc char *
dwarf_find_macro_value_start(char * macro_string)35*0a6a1f1dSLionel Sambuc dwarf_find_macro_value_start(char *macro_string)
36*0a6a1f1dSLionel Sambuc {
37*0a6a1f1dSLionel Sambuc char *p;
38*0a6a1f1dSLionel Sambuc
39*0a6a1f1dSLionel Sambuc if (macro_string == NULL)
40*0a6a1f1dSLionel Sambuc return (NULL);
41*0a6a1f1dSLionel Sambuc
42*0a6a1f1dSLionel Sambuc p = macro_string;
43*0a6a1f1dSLionel Sambuc while (*p != '\0' && *p != ' ')
44*0a6a1f1dSLionel Sambuc p++;
45*0a6a1f1dSLionel Sambuc if (*p == ' ')
46*0a6a1f1dSLionel Sambuc p++;
47*0a6a1f1dSLionel Sambuc
48*0a6a1f1dSLionel Sambuc return (p);
49*0a6a1f1dSLionel Sambuc }
50*0a6a1f1dSLionel Sambuc
51*0a6a1f1dSLionel Sambuc int
dwarf_get_macro_details(Dwarf_Debug dbg,Dwarf_Off offset,Dwarf_Unsigned max_count,Dwarf_Signed * entry_cnt,Dwarf_Macro_Details ** details,Dwarf_Error * error)52*0a6a1f1dSLionel Sambuc dwarf_get_macro_details(Dwarf_Debug dbg, Dwarf_Off offset,
53*0a6a1f1dSLionel Sambuc Dwarf_Unsigned max_count, Dwarf_Signed *entry_cnt,
54*0a6a1f1dSLionel Sambuc Dwarf_Macro_Details **details, Dwarf_Error *error)
55*0a6a1f1dSLionel Sambuc {
56*0a6a1f1dSLionel Sambuc Dwarf_MacroSet ms;
57*0a6a1f1dSLionel Sambuc Dwarf_Unsigned cnt;
58*0a6a1f1dSLionel Sambuc int i;
59*0a6a1f1dSLionel Sambuc
60*0a6a1f1dSLionel Sambuc if (dbg == NULL || entry_cnt == NULL || details == NULL) {
61*0a6a1f1dSLionel Sambuc DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
62*0a6a1f1dSLionel Sambuc return (DW_DLV_ERROR);
63*0a6a1f1dSLionel Sambuc }
64*0a6a1f1dSLionel Sambuc
65*0a6a1f1dSLionel Sambuc if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
66*0a6a1f1dSLionel Sambuc if (_dwarf_macinfo_init(dbg, error) != DW_DLE_NONE)
67*0a6a1f1dSLionel Sambuc return (DW_DLV_ERROR);
68*0a6a1f1dSLionel Sambuc if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
69*0a6a1f1dSLionel Sambuc DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
70*0a6a1f1dSLionel Sambuc return (DW_DLV_NO_ENTRY);
71*0a6a1f1dSLionel Sambuc }
72*0a6a1f1dSLionel Sambuc }
73*0a6a1f1dSLionel Sambuc
74*0a6a1f1dSLionel Sambuc STAILQ_FOREACH(ms, &dbg->dbg_mslist, ms_next) {
75*0a6a1f1dSLionel Sambuc for (i = 0; (Dwarf_Unsigned) i < ms->ms_cnt; i++)
76*0a6a1f1dSLionel Sambuc if (ms->ms_mdlist[i].dmd_offset == offset) {
77*0a6a1f1dSLionel Sambuc cnt = ms->ms_cnt - i;
78*0a6a1f1dSLionel Sambuc if (max_count != 0 && cnt > max_count)
79*0a6a1f1dSLionel Sambuc cnt = max_count;
80*0a6a1f1dSLionel Sambuc
81*0a6a1f1dSLionel Sambuc *details = &ms->ms_mdlist[i];
82*0a6a1f1dSLionel Sambuc *entry_cnt = cnt;
83*0a6a1f1dSLionel Sambuc
84*0a6a1f1dSLionel Sambuc return (DW_DLV_OK);
85*0a6a1f1dSLionel Sambuc }
86*0a6a1f1dSLionel Sambuc }
87*0a6a1f1dSLionel Sambuc
88*0a6a1f1dSLionel Sambuc DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
89*0a6a1f1dSLionel Sambuc
90*0a6a1f1dSLionel Sambuc return (DW_DLV_NO_ENTRY);
91*0a6a1f1dSLionel Sambuc }
92