49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef __ASM_SH_FTRACE_H
|
||
|
|
#define __ASM_SH_FTRACE_H
|
||
|
|
|
||
|
|
#ifdef CONFIG_FUNCTION_TRACER
|
||
|
|
|
||
|
|
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
|
||
|
|
#define FTRACE_SYSCALL_MAX NR_syscalls
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
extern void mcount(void);
|
||
|
|
|
||
|
|
#define MCOUNT_ADDR ((unsigned long)(mcount))
|
||
|
|
|
||
|
|
#ifdef CONFIG_DYNAMIC_FTRACE
|
||
|
|
#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 - CALL_ADDR) - 4)
|
||
|
|
#define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4)
|
||
|
|
|
||
|
|
struct dyn_arch_ftrace {
|
||
|
|
/* No extra data needed on sh */
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* CONFIG_DYNAMIC_FTRACE */
|
||
|
|
|
||
|
|
static inline unsigned long ftrace_call_adjust(unsigned long addr)
|
||
|
|
{
|
||
|
|
/* 'addr' is the memory table address. */
|
||
|
|
return addr;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ASSEMBLY__ */
|
||
|
|
#endif /* CONFIG_FUNCTION_TRACER */
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
/* arch/sh/kernel/return_address.c */
|
||
|
|
extern void *return_address(unsigned int);
|
||
|
|
|
||
|
|
#define ftrace_return_address(n) return_address(n)
|
||
|
|
|
||
|
|
#endif /* __ASSEMBLY__ */
|
||
|
|
|
||
|
|
#endif /* __ASM_SH_FTRACE_H */
|