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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* Find DWARF CFI for a module in libdwfl.
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Copyright (C) 2009-2010 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libdwflP.h"
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#include "../libdw/cfi.h"
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Dwarf_CFI *
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internal_function
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__libdwfl_set_cfi (Dwfl_Module *mod, Dwarf_CFI **slot, Dwarf_CFI *cfi)
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{
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if (cfi != NULL && cfi->ebl == NULL)
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{
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Dwfl_Error error = __libdwfl_module_getebl (mod);
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if (error == DWFL_E_NOERROR)
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cfi->ebl = mod->ebl;
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else
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{
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if (slot == &mod->eh_cfi)
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INTUSE(dwarf_cfi_end) (cfi);
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__libdwfl_seterrno (error);
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return NULL;
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}
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}
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return *slot = cfi;
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}
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Dwarf_CFI *
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dwfl_module_dwarf_cfi (Dwfl_Module *mod, Dwarf_Addr *bias)
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{
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if (mod == NULL)
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return NULL;
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if (mod->dwarf_cfi != NULL)
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{
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*bias = dwfl_adjusted_dwarf_addr (mod, 0);
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return mod->dwarf_cfi;
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}
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return __libdwfl_set_cfi (mod, &mod->dwarf_cfi,
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INTUSE(dwarf_getcfi)
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(INTUSE(dwfl_module_getdwarf) (mod, bias)));
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}
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INTDEF (dwfl_module_dwarf_cfi)
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