/* AArch64 definitions for profiling support. Copyright (C) 1996-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* GCC version 2 gives us a perfect magical function to get just the information we need: void *__builtin_return_address (unsigned int N) returns the return address of the frame N frames up. */ #include static void mcount_internal (u_long frompc, u_long selfpc); #define _MCOUNT_DECL(frompc, selfpc) \ static inline void mcount_internal (u_long frompc, u_long selfpc) #define MCOUNT \ void __mcount (void) \ { \ mcount_internal ((u_long) RETURN_ADDRESS (1), (u_long) RETURN_ADDRESS (0)); \ }