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| 1 | /* AArch64 definitions for profiling support. |
|---|---|
| 2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* Accept 'frompc' address as argument from the function that calls |
| 20 | __mcount for profiling. Use __builtin_return_address (0) |
| 21 | for the 'selfpc' address. */ |
| 22 | |
| 23 | #include <sysdep.h> |
| 24 | |
| 25 | static void mcount_internal (u_long frompc, u_long selfpc); |
| 26 | |
| 27 | #define _MCOUNT_DECL(frompc, selfpc) \ |
| 28 | static inline void mcount_internal (u_long frompc, u_long selfpc) |
| 29 | |
| 30 | /* Note: strip_pac is needed for frompc because of gcc PR target/94791. */ |
| 31 | #define MCOUNT \ |
| 32 | void __mcount (void *frompc) \ |
| 33 | { \ |
| 34 | mcount_internal ((u_long) strip_pac (frompc), (u_long) RETURN_ADDRESS (0)); \ |
| 35 | } |
| 36 |
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