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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef __ASM_SH_FTRACE_H |
3 | #define __ASM_SH_FTRACE_H |
4 | |
5 | #ifdef CONFIG_FUNCTION_TRACER |
6 | |
7 | #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ |
8 | #define FTRACE_SYSCALL_MAX NR_syscalls |
9 | |
10 | #ifndef __ASSEMBLY__ |
11 | extern void mcount(void); |
12 | |
13 | #define MCOUNT_ADDR ((unsigned long)(mcount)) |
14 | |
15 | #ifdef CONFIG_DYNAMIC_FTRACE |
16 | #define CALL_ADDR ((long)(ftrace_call)) |
17 | #define STUB_ADDR ((long)(ftrace_stub)) |
18 | #define GRAPH_ADDR ((long)(ftrace_graph_call)) |
19 | #define CALLER_ADDR ((long)(ftrace_caller)) |
20 | |
21 | #define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4) |
22 | #define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4) |
23 | |
24 | struct dyn_arch_ftrace { |
25 | /* No extra data needed on sh */ |
26 | }; |
27 | |
28 | #endif /* CONFIG_DYNAMIC_FTRACE */ |
29 | |
30 | static inline unsigned long ftrace_call_adjust(unsigned long addr) |
31 | { |
32 | /* 'addr' is the memory table address. */ |
33 | return addr; |
34 | } |
35 | |
36 | #endif /* __ASSEMBLY__ */ |
37 | #endif /* CONFIG_FUNCTION_TRACER */ |
38 | |
39 | #ifndef __ASSEMBLY__ |
40 | |
41 | /* arch/sh/kernel/return_address.c */ |
42 | extern void *return_address(unsigned int); |
43 | |
44 | #define ftrace_return_address(n) return_address(n) |
45 | |
46 | #endif /* __ASSEMBLY__ */ |
47 | |
48 | #endif /* __ASM_SH_FTRACE_H */ |
49 |
Warning: This file is not a C or C++ file. It does not have highlighting.