1*5ac3bc71Schristos /* $NetBSD: dwarf_str.c,v 1.5 2024/03/03 17:37:32 christos Exp $ */
2e81373b4Schristos
39dd9d0cfSchristos /*-
49dd9d0cfSchristos * Copyright (c) 2009 Kai Wang
59dd9d0cfSchristos * All rights reserved.
69dd9d0cfSchristos *
79dd9d0cfSchristos * Redistribution and use in source and binary forms, with or without
89dd9d0cfSchristos * modification, are permitted provided that the following conditions
99dd9d0cfSchristos * are met:
109dd9d0cfSchristos * 1. Redistributions of source code must retain the above copyright
119dd9d0cfSchristos * notice, this list of conditions and the following disclaimer.
129dd9d0cfSchristos * 2. Redistributions in binary form must reproduce the above copyright
139dd9d0cfSchristos * notice, this list of conditions and the following disclaimer in the
149dd9d0cfSchristos * documentation and/or other materials provided with the distribution.
159dd9d0cfSchristos *
169dd9d0cfSchristos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
179dd9d0cfSchristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
189dd9d0cfSchristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199dd9d0cfSchristos * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
209dd9d0cfSchristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
219dd9d0cfSchristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
229dd9d0cfSchristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
239dd9d0cfSchristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
249dd9d0cfSchristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
259dd9d0cfSchristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
269dd9d0cfSchristos * SUCH DAMAGE.
279dd9d0cfSchristos */
289dd9d0cfSchristos
299dd9d0cfSchristos #include "_libdwarf.h"
309dd9d0cfSchristos
31*5ac3bc71Schristos __RCSID("$NetBSD: dwarf_str.c,v 1.5 2024/03/03 17:37:32 christos Exp $");
3242bd3019Schristos ELFTC_VCSID("Id: dwarf_str.c 3295 2016-01-08 22:08:10Z jkoshy");
339dd9d0cfSchristos
349dd9d0cfSchristos int
dwarf_get_str(Dwarf_Debug dbg,Dwarf_Off offset,char ** string,Dwarf_Signed * ret_strlen,Dwarf_Error * error)359dd9d0cfSchristos dwarf_get_str(Dwarf_Debug dbg, Dwarf_Off offset, char **string,
369dd9d0cfSchristos Dwarf_Signed *ret_strlen, Dwarf_Error *error)
379dd9d0cfSchristos {
389dd9d0cfSchristos Dwarf_Section *ds;
399dd9d0cfSchristos
4042bd3019Schristos if (dbg == NULL || string == NULL || ret_strlen == NULL) {
419dd9d0cfSchristos DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
429dd9d0cfSchristos return (DW_DLV_ERROR);
439dd9d0cfSchristos }
449dd9d0cfSchristos
459dd9d0cfSchristos ds = _dwarf_find_section(dbg, ".debug_str");
469dd9d0cfSchristos if (ds == NULL) {
479dd9d0cfSchristos DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
489dd9d0cfSchristos return (DW_DLV_NO_ENTRY);
499dd9d0cfSchristos }
509dd9d0cfSchristos
5142bd3019Schristos if (offset > ds->ds_size) {
529dd9d0cfSchristos DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
539dd9d0cfSchristos return (DW_DLV_ERROR);
549dd9d0cfSchristos }
559dd9d0cfSchristos
5642bd3019Schristos if (offset == ds->ds_size) {
579dd9d0cfSchristos DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
589dd9d0cfSchristos return (DW_DLV_NO_ENTRY);
599dd9d0cfSchristos }
609dd9d0cfSchristos
619dd9d0cfSchristos *string = (char *) ds->ds_data + offset;
629dd9d0cfSchristos *ret_strlen = strlen(*string);
639dd9d0cfSchristos
649dd9d0cfSchristos return (DW_DLV_OK);
659dd9d0cfSchristos }
66