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39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/* x86-64-specific implementation of profiling support.
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Copyright (C) 2002-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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/* We need a special version of the `mcount' function since for x86-64
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so that we do not use __builtin_return_address (N) and avoid
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clobbering of register. */
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/* We must not pollute the global namespace. */
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#define mcount_internal __mcount_internal
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void mcount_internal (u_long frompc, u_long selfpc);
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#define _MCOUNT_DECL(frompc, selfpc) \
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void mcount_internal (u_long frompc, u_long selfpc)
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/* Define MCOUNT as empty since we have the implementation in another
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file. */
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#define MCOUNT
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