projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 4b4cf759 PM |
2 | #ifndef __ASM_SH_FTRACE_H |
| 3 | #define __ASM_SH_FTRACE_H | |
| 4 | ||
| fad57feb MF |
5 | #ifdef CONFIG_FUNCTION_TRACER |
| 6 | ||
| 7 | #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ | |
| c68e3206 | 8 | #define FTRACE_SYSCALL_MAX NR_syscalls |
| fad57feb | 9 | |
| 4b4cf759 PM |
10 | #ifndef __ASSEMBLY__ |
| 11 | extern void mcount(void); | |
| fad57feb | 12 | |
| c93bf928 | 13 | #define MCOUNT_ADDR ((unsigned long)(mcount)) |
| fad57feb MF |
14 | |
| 15 | #ifdef CONFIG_DYNAMIC_FTRACE | |
| ca0d1727 | 16 | #define CALL_ADDR ((long)(ftrace_call)) |
| fad57feb | 17 | #define STUB_ADDR ((long)(ftrace_stub)) |
| 327933f5 MF |
18 | #define GRAPH_ADDR ((long)(ftrace_graph_call)) |
| 19 | #define CALLER_ADDR ((long)(ftrace_caller)) | |
| fad57feb | 20 | |
| ca0d1727 | 21 | #define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4) |
| 327933f5 | 22 | #define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4) |
| 22f131aa PM |
23 | |
| 24 | struct dyn_arch_ftrace { | |
| 25 | /* No extra data needed on sh */ | |
| 26 | }; | |
| 27 | ||
| 28 | #endif /* CONFIG_DYNAMIC_FTRACE */ | |
| fad57feb MF |
29 | |
| 30 | static inline unsigned long ftrace_call_adjust(unsigned long addr) | |
| 31 | { | |
| 32 | /* 'addr' is the memory table address. */ | |
| 33 | return addr; | |
| 34 | } | |
| 4b4cf759 | 35 | |
| 36c87199 PM |
36 | #endif /* __ASSEMBLY__ */ |
| 37 | #endif /* CONFIG_FUNCTION_TRACER */ | |
| 38 | ||
| 39 | #ifndef __ASSEMBLY__ | |
| 40 | ||
| ac4fac8c PM |
41 | /* arch/sh/kernel/return_address.c */ |
| 42 | extern void *return_address(unsigned int); | |
| d26cddbb | 43 | |
| eed542d6 | 44 | #define ftrace_return_address(n) return_address(n) |
| d26cddbb | 45 | |
| 22f131aa | 46 | #endif /* __ASSEMBLY__ */ |
| fad57feb | 47 | |
| 4b4cf759 | 48 | #endif /* __ASM_SH_FTRACE_H */ |