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90 lines
2.5 KiB
90 lines
2.5 KiB
/* Return file name containing definition of the given function.
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Copyright (C) 2005, 2009 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2005.
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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 <assert.h>
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#include <dwarf.h>
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#include "libdwP.h"
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const char *
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dwarf_decl_file (Dwarf_Die *die)
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{
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Dwarf_Attribute attr_mem;
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Dwarf_Word idx = 0;
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if (INTUSE(dwarf_formudata) (INTUSE(dwarf_attr_integrate)
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(die, DW_AT_decl_file, &attr_mem),
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&idx) != 0)
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return NULL;
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/* Zero means no source file information available. */
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if (idx == 0)
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{
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__libdw_seterrno (DWARF_E_NO_ENTRY);
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return NULL;
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}
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/* Get the array of source files for the CU. */
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struct Dwarf_CU *cu = attr_mem.cu;
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if (cu->lines == NULL)
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{
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Dwarf_Lines *lines;
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size_t nlines;
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/* Let the more generic function do the work. It'll create more
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data but that will be needed in an real program anyway. */
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(void) INTUSE(dwarf_getsrclines) (&CUDIE (cu), &lines, &nlines);
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assert (cu->lines != NULL);
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}
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if (cu->lines == (void *) -1l)
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{
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/* If the file index is not zero, there must be file information
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available. */
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__libdw_seterrno (DWARF_E_INVALID_DWARF);
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return NULL;
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}
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assert (cu->files != NULL && cu->files != (void *) -1l);
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if (idx >= cu->files->nfiles)
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{
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__libdw_seterrno (DWARF_E_INVALID_DWARF);
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return NULL;
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}
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return cu->files->info[idx].name;
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}
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OLD_VERSION (dwarf_decl_file, ELFUTILS_0.122)
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NEW_VERSION (dwarf_decl_file, ELFUTILS_0.143)
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