066e0378c2
Call arch_init_ftrace_syscalls at boot, so we can determine early the set of syscalls for the syscall trace events. Signed-off-by: Jason Baron <jbaron@redhat.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
35 lines
972 B
C
35 lines
972 B
C
#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 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 */
|