| /* | |
| * arch/xtensa/include/asm/ftrace.h | |
| * | |
| * This file is subject to the terms and conditions of the GNU General Public | |
| * License. See the file "COPYING" in the main directory of this archive | |
| * for more details. | |
| * | |
| * Copyright (C) 2013 Tensilica Inc. | |
| */ | |
| #ifndef _XTENSA_FTRACE_H | |
| #define _XTENSA_FTRACE_H | |
| #include <asm/processor.h> | |
| #ifndef __ASSEMBLER__ | |
| extern unsigned long return_address(unsigned level); | |
| #define ftrace_return_address(n) return_address(n) | |
| #endif /* __ASSEMBLER__ */ | |
| #ifdef CONFIG_FUNCTION_TRACER | |
| #define MCOUNT_ADDR ((unsigned long)(_mcount)) | |
| #define MCOUNT_INSN_SIZE 3 | |
| #ifndef __ASSEMBLER__ | |
| extern void _mcount(void); | |
| #define mcount _mcount | |
| #endif /* __ASSEMBLER__ */ | |
| #endif /* CONFIG_FUNCTION_TRACER */ | |
| #endif /* _XTENSA_FTRACE_H */ |