Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Get attribute from abbreviation record. |
| 2 | Copyright (C) 2001, 2002 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2001. |
| 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 <stdlib.h> |
| 21 | |
| 22 | #include <libdwarfP.h> |
| 23 | |
| 24 | |
| 25 | int |
| 26 | dwarf_get_abbrev_entry (abbrev, idx, attr_num, form, offset, error) |
| 27 | Dwarf_Abbrev abbrev; |
| 28 | Dwarf_Signed idx; |
| 29 | Dwarf_Half *attr_num; |
| 30 | Dwarf_Signed *form; |
| 31 | Dwarf_Off *offset; |
| 32 | Dwarf_Error *error; |
| 33 | { |
| 34 | Dwarf_Small *attrp; |
| 35 | Dwarf_Small *start_attrp; |
| 36 | Dwarf_Word attr_name; |
| 37 | Dwarf_Word attr_form; |
| 38 | |
| 39 | if (idx < 0) |
| 40 | return DW_DLV_NO_ENTRY; |
| 41 | |
| 42 | /* Address in memory. */ |
| 43 | attrp = abbrev->attrp; |
| 44 | |
| 45 | /* Read the attributes, skip over the ones we don't want. */ |
| 46 | do |
| 47 | { |
| 48 | start_attrp = attrp; |
| 49 | |
| 50 | get_uleb128 (attr_name, attrp); |
| 51 | get_uleb128 (attr_form, attrp); |
| 52 | |
| 53 | if (attr_name == 0 || attr_form == 0) |
| 54 | return DW_DLV_NO_ENTRY; |
| 55 | } |
| 56 | while (idx-- > 0); |
| 57 | |
| 58 | *attr_num = attr_name; |
| 59 | *form = attr_form; |
| 60 | *offset = (start_attrp - abbrev->attrp) + abbrev->offset; |
| 61 | |
| 62 | return DW_DLV_OK; |
| 63 | } |