1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_SH_FTRACE_H 3*4882a593Smuzhiyun #define __ASM_SH_FTRACE_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #ifdef CONFIG_FUNCTION_TRACER 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ 8*4882a593Smuzhiyun #define FTRACE_SYSCALL_MAX NR_syscalls 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 11*4882a593Smuzhiyun extern void mcount(void); 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define MCOUNT_ADDR ((unsigned long)(mcount)) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifdef CONFIG_DYNAMIC_FTRACE 16*4882a593Smuzhiyun #define CALL_ADDR ((long)(ftrace_call)) 17*4882a593Smuzhiyun #define STUB_ADDR ((long)(ftrace_stub)) 18*4882a593Smuzhiyun #define GRAPH_ADDR ((long)(ftrace_graph_call)) 19*4882a593Smuzhiyun #define CALLER_ADDR ((long)(ftrace_caller)) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4) 22*4882a593Smuzhiyun #define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct dyn_arch_ftrace { 25*4882a593Smuzhiyun /* No extra data needed on sh */ 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #endif /* CONFIG_DYNAMIC_FTRACE */ 29*4882a593Smuzhiyun ftrace_call_adjust(unsigned long addr)30*4882a593Smuzhiyunstatic inline unsigned long ftrace_call_adjust(unsigned long addr) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun /* 'addr' is the memory table address. */ 33*4882a593Smuzhiyun return addr; 34*4882a593Smuzhiyun } 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */ 37*4882a593Smuzhiyun #endif /* CONFIG_FUNCTION_TRACER */ 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* arch/sh/kernel/return_address.c */ 42*4882a593Smuzhiyun extern void *return_address(unsigned int); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #define ftrace_return_address(n) return_address(n) 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */ 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif /* __ASM_SH_FTRACE_H */ 49