sysdeps/riscv/machine-gmon.h

   1 /* RISC-V 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 (unsigned long int frompc,
  26                              unsigned long int selfpc);
  27
  28 #define _MCOUNT_DECL(frompc, selfpc) \
  29 static inline void mcount_internal (unsigned long int frompc, \
  30 unsigned long int selfpc)
  31
  32 #define MCOUNT                                                          \
  33 void _mcount (void *frompc)                                             \
  34 {                                                                       \
  35   mcount_internal ((unsigned long int) frompc,                          \
  36                    (unsigned long int) RETURN_ADDRESS (0));             \
  37 }