rpm/elfutils/libdwarf/dwarf_global_cu_offset.c

45 lines
1.3 KiB
C

/* Return offset of header of compile unit containing the global definition.
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 <string.h>
#include <libdwarfP.h>
int
dwarf_global_cu_offset (global, return_offset, error)
Dwarf_Global global;
Dwarf_Off *return_offset;
Dwarf_Error *error;
{
Dwarf_Small *cu_header;
unsigned int offset_size;
cu_header =
((Dwarf_Small *) global->info->dbg->sections[IDX_debug_info].addr
+ global->info->offset);
if (read_4ubyte_unaligned_noncvt (cu_header) == 0xffffffff)
offset_size = 8;
else
offset_size = 4;
*return_offset = global->info->offset + 3 * offset_size - 4 + 3;
return DW_DLV_OK;
}