diff options
Diffstat (limited to 'arch/blackfin/include/asm/ftrace.h')
-rw-r--r-- | arch/blackfin/include/asm/ftrace.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h deleted file mode 100644 index 2f1c3c2657ad..000000000000 --- a/arch/blackfin/include/asm/ftrace.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Blackfin ftrace code - * - * Copyright 2009 Analog Devices Inc. - * Licensed under the GPL-2 or later. - */ - -#ifndef __ASM_BFIN_FTRACE_H__ -#define __ASM_BFIN_FTRACE_H__ - -#define MCOUNT_INSN_SIZE 6 /* sizeof "[++sp] = rets; call __mcount;" */ - -#ifndef __ASSEMBLY__ - -#ifdef CONFIG_DYNAMIC_FTRACE - -extern void _mcount(void); -#define MCOUNT_ADDR ((unsigned long)_mcount) - -static inline unsigned long ftrace_call_adjust(unsigned long addr) -{ - return addr; -} - -struct dyn_arch_ftrace { - /* No extra data needed for Blackfin */ -}; - -#endif - -#ifdef CONFIG_FRAME_POINTER -#include <linux/mm.h> - -extern inline void *return_address(unsigned int level) -{ - unsigned long *endstack, *fp, *ret_addr; - unsigned int current_level = 0; - - if (level == 0) - return __builtin_return_address(0); - - fp = (unsigned long *)__builtin_frame_address(0); - endstack = (unsigned long *)PAGE_ALIGN((unsigned long)&level); - - while (((unsigned long)fp & 0x3) == 0 && fp && - (fp + 1) < endstack && current_level < level) { - fp = (unsigned long *)*fp; - current_level++; - } - - if (((unsigned long)fp & 0x3) == 0 && fp && - (fp + 1) < endstack) - ret_addr = (unsigned long *)*(fp + 1); - else - ret_addr = NULL; - - return ret_addr; -} - -#else - -extern inline void *return_address(unsigned int level) -{ - return NULL; -} - -#endif /* CONFIG_FRAME_POINTER */ - -#define ftrace_return_address(n) return_address(n) - -#endif /* __ASSEMBLY__ */ - -#endif |