Linux kernel mirror (for testing)
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linux
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 */
14struct 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
22extern void arch_init_ftrace_syscalls(void);
23extern struct syscall_metadata *syscall_nr_to_meta(int nr);
24extern void start_ftrace_syscalls(void);
25extern void stop_ftrace_syscalls(void);
26extern void ftrace_syscall_enter(struct pt_regs *regs);
27extern void ftrace_syscall_exit(struct pt_regs *regs);
28#else
29static inline void start_ftrace_syscalls(void) { }
30static inline void stop_ftrace_syscalls(void) { }
31static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
32static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
33#endif
34
35#endif /* _TRACE_SYSCALL_H */