1 /* Machine-dependent definitions for profiling support. ARC version. 2 Copyright (C) 2020-2022 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 #include <sysdep.h> 20 21 #define _MCOUNT_DECL(frompc, selfpc) \ 22 static void \ 23 __mcount_internal (unsigned long int frompc, unsigned long int selfpc) 24 25 /* This is very simple as gcc does all the heavy lifting at _mcount call site 26 - sets up caller's blink in r0, so frompc is setup correctly 27 - preserve argument registers for original call. */ 28 29 #define MCOUNT \ 30 void \ 31 _mcount (void *frompc) \ 32 { \ 33 __mcount_internal ((unsigned long int) frompc, \ 34 (unsigned long int) __builtin_return_address (0)); \ 35 } 36