Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Return string represented by attribute. |
| 2 | Copyright (C) 2000, 2001, 2002 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2000. |
| 4 | |
| 5 | This program is Open Source software; you can redistribute it and/or |
| 6 | modify it under the terms of the Open Software License version 1.0 as |
| 7 | published by the Open Source Initiative. |
| 8 | |
| 9 | You should have received a copy of the Open Software License along |
| 10 | with this program; if not, you may obtain a copy of the Open Software |
| 11 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 12 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 13 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 14 | |
| 15 | #ifdef HAVE_CONFIG_H |
| 16 | # include <config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <dwarf.h> |
| 20 | #include <string.h> |
| 21 | |
| 22 | #include <libdwarfP.h> |
| 23 | |
| 24 | |
| 25 | int |
| 26 | dwarf_formstring (attr, return_string, error) |
| 27 | Dwarf_Attribute attr; |
| 28 | char **return_string; |
| 29 | Dwarf_Error *error; |
| 30 | { |
| 31 | char *result; |
| 32 | |
| 33 | if (attr->form == DW_FORM_string) |
| 34 | result = (char *) attr->valp; |
| 35 | else if (likely (attr->form == DW_FORM_strp)) |
| 36 | { |
| 37 | Dwarf_Unsigned offset; |
| 38 | |
| 39 | offset = read_4ubyte_unaligned (attr->cu->dbg, attr->valp); |
| 40 | |
| 41 | result = (char *) attr->cu->dbg->sections[IDX_debug_str].addr + offset; |
| 42 | } |
| 43 | else |
| 44 | { |
| 45 | __libdwarf_error (attr->cu->dbg, error, DW_E_NO_STRING); |
| 46 | return DW_DLV_ERROR; |
| 47 | } |
| 48 | |
| 49 | *return_string = result; |
| 50 | return DW_DLV_OK; |
| 51 | } |