arch/tile/include/asm/ftrace.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 #ifndef _ASM_TILE_FTRACE_H
  16 #define _ASM_TILE_FTRACE_H
  17
  18 #ifdef CONFIG_FUNCTION_TRACER
  19
  20 #define MCOUNT_ADDR ((unsigned long)(__mcount))
  21 #define MCOUNT_INSN_SIZE 8              /* sizeof mcount call */
  22
  23 #ifndef __ASSEMBLY__
  24 extern void __mcount(void);
  25
  26 #define ARCH_SUPPORTS_FTRACE_OPS 1
  27
  28 #ifdef CONFIG_DYNAMIC_FTRACE
  29 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  30 {
  31         return addr;
  32 }
  33
  34 struct dyn_arch_ftrace {
  35 };
  36 #endif /*  CONFIG_DYNAMIC_FTRACE */
  37
  38 #endif /* __ASSEMBLY__ */
  39
  40 #endif /* CONFIG_FUNCTION_TRACER */
  41
  42 #endif /* _ASM_TILE_FTRACE_H */