arch/csky/include/asm/ftrace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
   3
   4 #ifndef __ASM_CSKY_FTRACE_H
   5 #define __ASM_CSKY_FTRACE_H
   6
   7 #define MCOUNT_INSN_SIZE        14
   8
   9 #define HAVE_FUNCTION_GRAPH_FP_TEST
  10
  11 #define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
  12
  13 #define ARCH_SUPPORTS_FTRACE_OPS 1
  14
  15 #define MCOUNT_ADDR     ((unsigned long)_mcount)
  16
  17 #ifndef __ASSEMBLY__
  18
  19 extern void _mcount(unsigned long);
  20
  21 extern void ftrace_graph_call(void);
  22
  23 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  24 {
  25         return addr;
  26 }
  27
  28 struct dyn_arch_ftrace {
  29 };
  30 #endif /* !__ASSEMBLY__ */
  31 #endif /* __ASM_CSKY_FTRACE_H */