linux/arch/sparc/include/asm/ftrace.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_SPARC64_FTRACE
   3#define _ASM_SPARC64_FTRACE
   4
   5#ifdef CONFIG_MCOUNT
   6#define MCOUNT_ADDR             ((unsigned long)(_mcount))
   7#define MCOUNT_INSN_SIZE        4 /* sizeof mcount call */
   8
   9#ifndef __ASSEMBLY__
  10void _mcount(void);
  11#endif
  12
  13#endif /* CONFIG_MCOUNT */
  14
  15#if defined(CONFIG_SPARC64) && !defined(CC_USE_FENTRY)
  16#define HAVE_FUNCTION_GRAPH_FP_TEST
  17#endif
  18
  19#ifdef CONFIG_DYNAMIC_FTRACE
  20/* relocation of mcount call site is the same as the address */
  21static inline unsigned long ftrace_call_adjust(unsigned long addr)
  22{
  23        return addr;
  24}
  25
  26struct dyn_arch_ftrace {
  27};
  28#endif /*  CONFIG_DYNAMIC_FTRACE */
  29
  30unsigned long prepare_ftrace_return(unsigned long parent,
  31                                    unsigned long self_addr,
  32                                    unsigned long frame_pointer);
  33
  34#endif /* _ASM_SPARC64_FTRACE */
  35