diff options
Diffstat (limited to 'arch/sh/include/asm/ftrace.h')
| -rw-r--r-- | arch/sh/include/asm/ftrace.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h index 8fea7d8..13e9966 100644 --- a/arch/sh/include/asm/ftrace.h +++ b/arch/sh/include/asm/ftrace.h @@ -4,6 +4,7 @@ #ifdef CONFIG_FUNCTION_TRACER #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ +#define FTRACE_SYSCALL_MAX NR_syscalls #ifndef __ASSEMBLY__ extern void mcount(void); @@ -11,10 +12,13 @@ extern void mcount(void); #define MCOUNT_ADDR ((long)(mcount)) #ifdef CONFIG_DYNAMIC_FTRACE -#define CALLER_ADDR ((long)(ftrace_caller)) +#define CALL_ADDR ((long)(ftrace_call)) #define STUB_ADDR ((long)(ftrace_stub)) +#define GRAPH_ADDR ((long)(ftrace_graph_call)) +#define CALLER_ADDR ((long)(ftrace_caller)) -#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALLER_ADDR) >> 1) +#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4) +#define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4) struct dyn_arch_ftrace { /* No extra data needed on sh */ @@ -31,4 +35,21 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ +#ifndef __ASSEMBLY__ + +/* arch/sh/kernel/return_address.c */ +extern void *return_address(unsigned int); + +#define HAVE_ARCH_CALLER_ADDR + +#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) +#define CALLER_ADDR1 ((unsigned long)return_address(1)) +#define CALLER_ADDR2 ((unsigned long)return_address(2)) +#define CALLER_ADDR3 ((unsigned long)return_address(3)) +#define CALLER_ADDR4 ((unsigned long)return_address(4)) +#define CALLER_ADDR5 ((unsigned long)return_address(5)) +#define CALLER_ADDR6 ((unsigned long)return_address(6)) + +#endif /* __ASSEMBLY__ */ + #endif /* __ASM_SH_FTRACE_H */ |
