1*2de3b87aSKai Wang /*-
2*2de3b87aSKai Wang * Copyright (c) 2009,2011 Kai Wang
3*2de3b87aSKai Wang * All rights reserved.
4*2de3b87aSKai Wang *
5*2de3b87aSKai Wang * Redistribution and use in source and binary forms, with or without
6*2de3b87aSKai Wang * modification, are permitted provided that the following conditions
7*2de3b87aSKai Wang * are met:
8*2de3b87aSKai Wang * 1. Redistributions of source code must retain the above copyright
9*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer.
10*2de3b87aSKai Wang * 2. Redistributions in binary form must reproduce the above copyright
11*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer in the
12*2de3b87aSKai Wang * documentation and/or other materials provided with the distribution.
13*2de3b87aSKai Wang *
14*2de3b87aSKai Wang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*2de3b87aSKai Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*2de3b87aSKai Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*2de3b87aSKai Wang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*2de3b87aSKai Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*2de3b87aSKai Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*2de3b87aSKai Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*2de3b87aSKai Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*2de3b87aSKai Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*2de3b87aSKai Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*2de3b87aSKai Wang * SUCH DAMAGE.
25*2de3b87aSKai Wang */
26*2de3b87aSKai Wang
27*2de3b87aSKai Wang #include "_libdwarf.h"
28*2de3b87aSKai Wang
29*2de3b87aSKai Wang ELFTC_VCSID("$Id: dwarf_macinfo.c 2074 2011-10-27 03:34:33Z jkoshy $");
30*2de3b87aSKai Wang
31*2de3b87aSKai Wang char *
dwarf_find_macro_value_start(char * macro_string)32*2de3b87aSKai Wang dwarf_find_macro_value_start(char *macro_string)
33*2de3b87aSKai Wang {
34*2de3b87aSKai Wang char *p;
35*2de3b87aSKai Wang
36*2de3b87aSKai Wang if (macro_string == NULL)
37*2de3b87aSKai Wang return (NULL);
38*2de3b87aSKai Wang
39*2de3b87aSKai Wang p = macro_string;
40*2de3b87aSKai Wang while (*p != '\0' && *p != ' ')
41*2de3b87aSKai Wang p++;
42*2de3b87aSKai Wang if (*p == ' ')
43*2de3b87aSKai Wang p++;
44*2de3b87aSKai Wang
45*2de3b87aSKai Wang return (p);
46*2de3b87aSKai Wang }
47*2de3b87aSKai Wang
48*2de3b87aSKai Wang 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)49*2de3b87aSKai Wang dwarf_get_macro_details(Dwarf_Debug dbg, Dwarf_Off offset,
50*2de3b87aSKai Wang Dwarf_Unsigned max_count, Dwarf_Signed *entry_cnt,
51*2de3b87aSKai Wang Dwarf_Macro_Details **details, Dwarf_Error *error)
52*2de3b87aSKai Wang {
53*2de3b87aSKai Wang Dwarf_MacroSet ms;
54*2de3b87aSKai Wang Dwarf_Unsigned cnt;
55*2de3b87aSKai Wang int i;
56*2de3b87aSKai Wang
57*2de3b87aSKai Wang if (dbg == NULL || entry_cnt == NULL || details == NULL) {
58*2de3b87aSKai Wang DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
59*2de3b87aSKai Wang return (DW_DLV_ERROR);
60*2de3b87aSKai Wang }
61*2de3b87aSKai Wang
62*2de3b87aSKai Wang if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
63*2de3b87aSKai Wang if (_dwarf_macinfo_init(dbg, error) != DW_DLE_NONE)
64*2de3b87aSKai Wang return (DW_DLV_ERROR);
65*2de3b87aSKai Wang if (STAILQ_EMPTY(&dbg->dbg_mslist)) {
66*2de3b87aSKai Wang DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
67*2de3b87aSKai Wang return (DW_DLV_NO_ENTRY);
68*2de3b87aSKai Wang }
69*2de3b87aSKai Wang }
70*2de3b87aSKai Wang
71*2de3b87aSKai Wang STAILQ_FOREACH(ms, &dbg->dbg_mslist, ms_next) {
72*2de3b87aSKai Wang for (i = 0; (Dwarf_Unsigned) i < ms->ms_cnt; i++)
73*2de3b87aSKai Wang if (ms->ms_mdlist[i].dmd_offset == offset) {
74*2de3b87aSKai Wang cnt = ms->ms_cnt - i;
75*2de3b87aSKai Wang if (max_count != 0 && cnt > max_count)
76*2de3b87aSKai Wang cnt = max_count;
77*2de3b87aSKai Wang
78*2de3b87aSKai Wang *details = &ms->ms_mdlist[i];
79*2de3b87aSKai Wang *entry_cnt = cnt;
80*2de3b87aSKai Wang
81*2de3b87aSKai Wang return (DW_DLV_OK);
82*2de3b87aSKai Wang }
83*2de3b87aSKai Wang }
84*2de3b87aSKai Wang
85*2de3b87aSKai Wang DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
86*2de3b87aSKai Wang
87*2de3b87aSKai Wang return (DW_DLV_NO_ENTRY);
88*2de3b87aSKai Wang }
89