| /* |
| * 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 __ASSEMBLY__ |
| extern unsigned long return_address(unsigned level); |
| #define ftrace_return_address(n) return_address(n) |
| #endif /* __ASSEMBLY__ */ |
| |
| #ifdef CONFIG_FUNCTION_TRACER |
| |
| #define MCOUNT_ADDR ((unsigned long)(_mcount)) |
| #define MCOUNT_INSN_SIZE 3 |
| |
| #ifndef __ASSEMBLY__ |
| extern void _mcount(void); |
| #define mcount _mcount |
| #endif /* __ASSEMBLY__ */ |
| #endif /* CONFIG_FUNCTION_TRACER */ |
| |
| #endif /* _XTENSA_FTRACE_H */ |
