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47788c58 FW |
1 | #ifndef _TRACE_SYSCALL_H |
2 | #define _TRACE_SYSCALL_H | |
3 | ||
4 | #include <asm/ptrace.h> | |
5 | ||
6 | /* | |
7 | * A syscall entry in the ftrace syscalls array. | |
8 | * | |
9 | * @name: name of the syscall | |
10 | * @nb_args: number of parameters it takes | |
11 | * @types: list of types as strings | |
12 | * @args: list of args as strings (args[i] matches types[i]) | |
13 | */ | |
14 | struct syscall_metadata { | |
15 | const char *name; | |
16 | int nb_args; | |
17 | const char **types; | |
18 | const char **args; | |
19 | }; | |
20 | ||
21 | #ifdef CONFIG_FTRACE_SYSCALLS | |
22 | extern void arch_init_ftrace_syscalls(void); | |
23 | extern struct syscall_metadata *syscall_nr_to_meta(int nr); | |
24 | extern void start_ftrace_syscalls(void); | |
25 | extern void stop_ftrace_syscalls(void); | |
26 | extern void ftrace_syscall_enter(struct pt_regs *regs); | |
27 | extern void ftrace_syscall_exit(struct pt_regs *regs); | |
28 | #else | |
29 | static inline void start_ftrace_syscalls(void) { } | |
30 | static inline void stop_ftrace_syscalls(void) { } | |
31 | static inline void ftrace_syscall_enter(struct pt_regs *regs) { } | |
32 | static inline void ftrace_syscall_exit(struct pt_regs *regs) { } | |
33 | #endif | |
34 | ||
35 | #endif /* _TRACE_SYSCALL_H */ |