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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/* Release debugging handling context.
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Copyright (C) 2002-2011, 2014 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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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 <search.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include "libdwP.h"
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#include "cfi.h"
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static void
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noop_free (void *arg __attribute__ ((unused)))
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{
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}
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static void
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cu_free (void *arg)
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{
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struct Dwarf_CU *p = (struct Dwarf_CU *) arg;
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Dwarf_Abbrev_Hash_free (&p->abbrev_hash);
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tdestroy (p->locs, noop_free);
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}
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int
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dwarf_end (Dwarf *dwarf)
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{
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if (dwarf != NULL)
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{
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if (dwarf->cfi != NULL)
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/* Clean up the CFI cache. */
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__libdw_destroy_frame_cache (dwarf->cfi);
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Dwarf_Sig8_Hash_free (&dwarf->sig8_hash);
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/* The search tree for the CUs. NB: the CU data itself is
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allocated separately, but the abbreviation hash tables need
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to be handled. */
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tdestroy (dwarf->cu_tree, cu_free);
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tdestroy (dwarf->tu_tree, cu_free);
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/* Search tree for macro opcode tables. */
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tdestroy (dwarf->macro_ops, noop_free);
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/* Search tree for decoded .debug_lines units. */
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tdestroy (dwarf->files_lines, noop_free);
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struct libdw_memblock *memp = dwarf->mem_tail;
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/* The first block is allocated together with the Dwarf object. */
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while (memp->prev != NULL)
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{
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struct libdw_memblock *prevp = memp->prev;
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free (memp);
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memp = prevp;
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}
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/* Free the pubnames helper structure. */
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free (dwarf->pubnames_sets);
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/* Free the ELF descriptor if necessary. */
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if (dwarf->free_elf)
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elf_end (dwarf->elf);
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/* Free the fake location list CU. */
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if (dwarf->fake_loc_cu != NULL)
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{
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cu_free (dwarf->fake_loc_cu);
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free (dwarf->fake_loc_cu);
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}
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/* Free the context descriptor. */
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free (dwarf);
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}
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return 0;
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}
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INTDEF(dwarf_end)
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