sysdeps/aarch64/machine-gmon.h

   1 /* AArch64 definitions for profiling support.
   2    Copyright (C) 1996-2018 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    <http://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 #define MCOUNT                                                    \
  31 void __mcount (void *frompc)                                      \
  32 {                                                                 \
  33   mcount_internal ((u_long) frompc, (u_long) RETURN_ADDRESS (0)); \
  34 }