Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 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 __ASSEMBLER__ |
| 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 | void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr); |
| 37 | |
| 38 | #endif /* __ASSEMBLER__ */ |
| 39 | #endif /* CONFIG_FUNCTION_TRACER */ |
| 40 | |
| 41 | #ifndef __ASSEMBLER__ |
| 42 | |
| 43 | /* arch/sh/kernel/return_address.c */ |
| 44 | extern void *return_address(unsigned int); |
| 45 | |
| 46 | #define ftrace_return_address(n) return_address(n) |
| 47 | |
| 48 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 49 | extern void arch_ftrace_nmi_enter(void); |
| 50 | extern void arch_ftrace_nmi_exit(void); |
| 51 | #else |
| 52 | static inline void arch_ftrace_nmi_enter(void) { } |
| 53 | static inline void arch_ftrace_nmi_exit(void) { } |
| 54 | #endif |
| 55 | |
| 56 | #endif /* __ASSEMBLER__ */ |
| 57 | |
| 58 | #endif /* __ASM_SH_FTRACE_H */ |
| 59 |
Warning: This file is not a C or C++ file. It does not have highlighting.