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75 lines
2.0 KiB
75 lines
2.0 KiB
4 months ago
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/* Determine fill pattern for a section.
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Copyright (C) 2002 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 <stdlib.h>
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#include <string.h>
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#include <libasmP.h>
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#include <system.h>
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int
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asm_fill (AsmScn_t *asmscn, void *bytes, size_t len)
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{
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struct FillPattern *pattern;
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struct FillPattern *old_pattern;
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if (asmscn == NULL)
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/* Some earlier error. */
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return -1;
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if (bytes == NULL)
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/* Use the default pattern. */
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pattern = (struct FillPattern *) __libasm_default_pattern;
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else
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{
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/* Allocate appropriate memory. */
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pattern = (struct FillPattern *) malloc (sizeof (struct FillPattern)
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+ len);
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if (pattern == NULL)
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return -1;
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pattern->len = len;
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memcpy (pattern->bytes, bytes, len);
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}
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old_pattern = asmscn->pattern;
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asmscn->pattern = pattern;
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/* Free the old data structure if we have allocated it. */
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if (old_pattern != __libasm_default_pattern)
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free (old_pattern);
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return 0;
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}
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