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36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
/* AArch64 definitions for profiling support.
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Copyright (C) 1996-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<https://www.gnu.org/licenses/>. */
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/* Accept 'frompc' address as argument from the function that calls
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__mcount for profiling. Use __builtin_return_address (0)
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for the 'selfpc' address. */
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#include <sysdep.h>
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static void mcount_internal (u_long frompc, u_long selfpc);
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#define _MCOUNT_DECL(frompc, selfpc) \
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static inline void mcount_internal (u_long frompc, u_long selfpc)
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/* Note: strip_pac is needed for frompc because of gcc PR target/94791. */
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#define MCOUNT \
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void __mcount (void *frompc) \
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{ \
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mcount_internal ((u_long) strip_pac (frompc), (u_long) RETURN_ADDRESS (0)); \
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}
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