| #ifndef _TRACE_SYSCALL_H |
| #define _TRACE_SYSCALL_H |
| |
| #include <asm/ptrace.h> |
| |
| /* |
| * A syscall entry in the ftrace syscalls array. |
| * |
| * @name: name of the syscall |
| * @nb_args: number of parameters it takes |
| * @types: list of types as strings |
| * @args: list of args as strings (args[i] matches types[i]) |
| */ |
| struct syscall_metadata { |
| const char *name; |
| int nb_args; |
| const char **types; |
| const char **args; |
| }; |
| |
| #ifdef CONFIG_FTRACE_SYSCALLS |
| extern void arch_init_ftrace_syscalls(void); |
| extern struct syscall_metadata *syscall_nr_to_meta(int nr); |
| extern void start_ftrace_syscalls(void); |
| extern void stop_ftrace_syscalls(void); |
| extern void ftrace_syscall_enter(struct pt_regs *regs); |
| extern void ftrace_syscall_exit(struct pt_regs *regs); |
| #else |
| static inline void start_ftrace_syscalls(void) { } |
| static inline void stop_ftrace_syscalls(void) { } |
| static inline void ftrace_syscall_enter(struct pt_regs *regs) { } |
| static inline void ftrace_syscall_exit(struct pt_regs *regs) { } |
| #endif |
| |
| #endif /* _TRACE_SYSCALL_H */ |