2 * Copyright (c) 2009,2011 Kai Wang
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include "_libdwarf.h"
29 ELFTC_VCSID("$Id: dwarf_lineno.c 2983 2014-02-09 00:24:31Z kaiwang27 $");
32 dwarf_srclines(Dwarf_Die die, Dwarf_Line **linebuf, Dwarf_Signed *linecount,
42 dbg = die != NULL ? die->die_dbg : NULL;
44 if (die == NULL || linebuf == NULL || linecount == NULL) {
45 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
46 return (DW_DLV_ERROR);
49 if ((at = _dwarf_attr_find(die, DW_AT_stmt_list)) == NULL) {
50 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
51 return (DW_DLV_NO_ENTRY);
55 if (cu->cu_lineinfo == NULL) {
56 if (_dwarf_lineno_init(die, at->u[0].u64, error) !=
58 return (DW_DLV_ERROR);
60 if (cu->cu_lineinfo == NULL) {
61 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
62 return (DW_DLV_NO_ENTRY);
66 *linecount = (Dwarf_Signed) li->li_lnlen;
68 if (*linecount == 0) {
69 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
70 return (DW_DLV_NO_ENTRY);
73 if (li->li_lnarray != NULL) {
74 *linebuf = li->li_lnarray;
78 if ((li->li_lnarray = malloc(*linecount * sizeof(Dwarf_Line))) ==
80 DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
81 return (DW_DLV_ERROR);
84 for (i = 0, ln = STAILQ_FIRST(&li->li_lnlist);
85 i < *linecount && ln != NULL; i++, ln = STAILQ_NEXT(ln, ln_next))
86 li->li_lnarray[i] = ln;
88 *linebuf = li->li_lnarray;
94 dwarf_srcfiles(Dwarf_Die die, char ***srcfiles, Dwarf_Signed *srccount,
104 dbg = die != NULL ? die->die_dbg : NULL;
106 if (die == NULL || srcfiles == NULL || srccount == NULL) {
107 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
108 return (DW_DLV_ERROR);
111 if ((at = _dwarf_attr_find(die, DW_AT_stmt_list)) == NULL) {
112 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
113 return (DW_DLV_NO_ENTRY);
117 if (cu->cu_lineinfo == NULL) {
118 if (_dwarf_lineno_init(die, at->u[0].u64, error) !=
120 return (DW_DLV_ERROR);
122 if (cu->cu_lineinfo == NULL) {
123 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
124 return (DW_DLV_NO_ENTRY);
127 li = cu->cu_lineinfo;
128 *srccount = (Dwarf_Signed) li->li_lflen;
130 if (*srccount == 0) {
131 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
132 return (DW_DLV_NO_ENTRY);
135 if (li->li_lfnarray != NULL) {
136 *srcfiles = li->li_lfnarray;
140 if ((li->li_lfnarray = malloc(*srccount * sizeof(char *))) == NULL) {
141 DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
142 return (DW_DLV_ERROR);
145 for (i = 0, lf = STAILQ_FIRST(&li->li_lflist);
146 i < *srccount && lf != NULL; i++, lf = STAILQ_NEXT(lf, lf_next)) {
148 li->li_lfnarray[i] = lf->lf_fullpath;
150 li->li_lfnarray[i] = lf->lf_fname;
153 *srcfiles = li->li_lfnarray;
159 dwarf_linebeginstatement(Dwarf_Line ln, Dwarf_Bool *ret_bool,
163 if (ln == NULL || ret_bool == NULL) {
164 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
165 return (DW_DLV_ERROR);
168 *ret_bool = ln->ln_stmt;
174 dwarf_lineendsequence(Dwarf_Line ln, Dwarf_Bool *ret_bool, Dwarf_Error *error)
177 if (ln == NULL || ret_bool == NULL) {
178 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
179 return (DW_DLV_ERROR);
182 *ret_bool = ln->ln_endseq;
188 dwarf_lineno(Dwarf_Line ln, Dwarf_Unsigned *ret_lineno, Dwarf_Error *error)
191 if (ln == NULL || ret_lineno == NULL) {
192 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
193 return (DW_DLV_ERROR);
196 *ret_lineno = ln->ln_lineno;
202 dwarf_line_srcfileno(Dwarf_Line ln, Dwarf_Unsigned *ret_fileno,
206 if (ln == NULL || ret_fileno == NULL) {
207 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
208 return (DW_DLV_ERROR);
211 *ret_fileno = ln->ln_fileno;
217 dwarf_lineaddr(Dwarf_Line ln, Dwarf_Addr *ret_lineaddr, Dwarf_Error *error)
220 if (ln == NULL || ret_lineaddr == NULL) {
221 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
222 return (DW_DLV_ERROR);
225 *ret_lineaddr = ln->ln_addr;
231 dwarf_lineoff(Dwarf_Line ln, Dwarf_Signed *ret_lineoff, Dwarf_Error *error)
234 if (ln == NULL || ret_lineoff == NULL) {
235 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
236 return (DW_DLV_ERROR);
239 if (ln->ln_column == 0)
242 *ret_lineoff = (Dwarf_Signed) ln->ln_column;
248 dwarf_linesrc(Dwarf_Line ln, char **ret_linesrc, Dwarf_Error *error)
254 if (ln == NULL || ret_linesrc == NULL) {
255 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
256 return (DW_DLV_ERROR);
262 for (i = 1, lf = STAILQ_FIRST(&li->li_lflist);
263 (Dwarf_Unsigned) i < ln->ln_fileno && lf != NULL;
264 i++, lf = STAILQ_NEXT(lf, lf_next))
268 DWARF_SET_ERROR(NULL, error, DW_DLE_LINE_FILE_NUM_BAD);
269 return (DW_DLV_ERROR);
272 if (lf->lf_fullpath) {
273 *ret_linesrc = (char *) lf->lf_fullpath;
277 *ret_linesrc = lf->lf_fname;
283 dwarf_lineblock(Dwarf_Line ln, Dwarf_Bool *ret_bool, Dwarf_Error *error)
286 if (ln == NULL || ret_bool == NULL) {
287 DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
288 return (DW_DLV_ERROR);
291 *ret_bool = ln->ln_bblock;