Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Return offset of compile unit DIE containing the range. |
| 2 | Copyright (C) 2000, 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 <libdwarfP.h> |
| 20 | |
| 21 | |
| 22 | int |
| 23 | dwarf_get_cu_die_offset (arange, return_offset, error) |
| 24 | Dwarf_Arange arange; |
| 25 | Dwarf_Off *return_offset; |
| 26 | Dwarf_Error *error; |
| 27 | { |
| 28 | Dwarf_Small *cu_header; |
| 29 | unsigned int offset_size; |
| 30 | |
| 31 | /* Determine the size of the CU header. */ |
| 32 | cu_header = |
| 33 | ((Dwarf_Small *) arange->info->dbg->sections[IDX_debug_info].addr |
| 34 | + arange->info->offset); |
| 35 | if (read_4ubyte_unaligned_noncvt (cu_header) == 0xffffffff) |
| 36 | offset_size = 8; |
| 37 | else |
| 38 | offset_size = 4; |
| 39 | |
| 40 | *return_offset = arange->info->offset + 3 * offset_size - 4 + 3; |
| 41 | |
| 42 | return DW_DLV_OK; |
| 43 | } |