root/arch/nds32/include/asm/ftrace.h

INCLUDED FROM

DEFINITIONS

1. ftrace_call_adjust

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 
   3 #ifndef __ASM_NDS32_FTRACE_H
   4 #define __ASM_NDS32_FTRACE_H
   5 
   6 #ifdef CONFIG_FUNCTION_TRACER
   7 
   8 #define HAVE_FUNCTION_GRAPH_FP_TEST
   9 
  10 #define MCOUNT_ADDR ((unsigned long)(_mcount))
  11 /* mcount call is composed of three instructions:
  12  * sethi + ori + jral
  13  */
  14 #define MCOUNT_INSN_SIZE 12
  15 
  16 extern void _mcount(unsigned long parent_ip);
  17 
  18 #ifdef CONFIG_DYNAMIC_FTRACE
  19 
  20 #define FTRACE_ADDR ((unsigned long)_ftrace_caller)
  21 
  22 #ifdef __NDS32_EL__
  23 #define INSN_NOP                0x09000040
  24 #define INSN_SIZE(insn)         (((insn & 0x00000080) == 0) ? 4 : 2)
  25 #define IS_SETHI(insn)          ((insn & 0x000000fe) == 0x00000046)
  26 #define ENDIAN_CONVERT(insn)    be32_to_cpu(insn)
  27 #else /* __NDS32_EB__ */
  28 #define INSN_NOP                0x40000009
  29 #define INSN_SIZE(insn)         (((insn & 0x80000000) == 0) ? 4 : 2)
  30 #define IS_SETHI(insn)          ((insn & 0xfe000000) == 0x46000000)
  31 #define ENDIAN_CONVERT(insn)    (insn)
  32 #endif
  33 
  34 extern void _ftrace_caller(unsigned long parent_ip);
  35 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  36 {
  37         return addr;
  38 }
  39 struct dyn_arch_ftrace {
  40 };
  41 
  42 #endif /* CONFIG_DYNAMIC_FTRACE */
  43 
  44 #endif /* CONFIG_FUNCTION_TRACER */
  45 
  46 #endif /* __ASM_NDS32_FTRACE_H */