rpm/elfutils/libdwarf/dwarf_get_arange_info.c

49 lines
1.4 KiB
C

/* Return start, length, and CU DIE offset of range.
Copyright (C) 2000, 2002 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2000.
This program is Open Source software; you can redistribute it and/or
modify it under the terms of the Open Software License version 1.0 as
published by the Open Source Initiative.
You should have received a copy of the Open Software License along
with this program; if not, you may obtain a copy of the Open Software
License version 1.0 from http://www.opensource.org/licenses/osl.php or
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
3001 King Ranch Road, Ukiah, CA 95482. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <libdwarfP.h>
int
dwarf_get_arange_info (arange, start, length, cu_die_offset, error)
Dwarf_Arange arange;
Dwarf_Addr *start;
Dwarf_Unsigned *length;
Dwarf_Off *cu_die_offset;
Dwarf_Error *error;
{
Dwarf_Small *cu_header;
unsigned int offset_size;
*start = arange->address;
*length = arange->length;
/* Determine the size of the CU header. */
cu_header =
((Dwarf_Small *) arange->info->dbg->sections[IDX_debug_info].addr
+ arange->info->offset);
if (read_4ubyte_unaligned_noncvt (cu_header) == 0xffffffff)
offset_size = 8;
else
offset_size = 4;
*cu_die_offset = arange->info->offset + 3 * offset_size - 4 + 3;
return DW_DLV_OK;
}