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/* Get address range which includes given address.
Copyright (C) 2004, 2005 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2004.
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 <libdwP.h>
Dwarf_Arange *
dwarf_getarange_addr (aranges, addr)
Dwarf_Aranges *aranges;
Dwarf_Addr addr;
{
if (aranges == NULL)
return NULL;
/* The ranges are sorted by address, so we can use binary search. */
size_t l = 0, u = aranges->naranges;
while (l < u)
{
size_t idx = (l + u) / 2;
if (addr < aranges->info[idx].addr)
u = idx;
else if (addr > aranges->info[idx].addr
&& addr - aranges->info[idx].addr >= aranges->info[idx].length)
l = idx + 1;
else
return &aranges->info[idx];
}
__libdw_seterrno (DWARF_E_NO_MATCH);
return NULL;
}
INTDEF(dwarf_getarange_addr)
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