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35 lines
1017 B
35 lines
1017 B
#ifndef _TRACE_SYSCALL_H
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#define _TRACE_SYSCALL_H
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#include <asm/ptrace.h>
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/*
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* A syscall entry in the ftrace syscalls array.
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*
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* @name: name of the syscall
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* @nb_args: number of parameters it takes
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* @types: list of types as strings
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* @args: list of args as strings (args[i] matches types[i])
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*/
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struct syscall_metadata {
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const char *name;
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int nb_args;
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const char **types;
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const char **args;
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};
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#ifdef CONFIG_FTRACE_SYSCALLS
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extern void arch_init_ftrace_syscalls(void);
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extern struct syscall_metadata *syscall_nr_to_meta(int nr);
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extern void start_ftrace_syscalls(void);
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extern void stop_ftrace_syscalls(void);
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extern void ftrace_syscall_enter(struct pt_regs *regs);
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extern void ftrace_syscall_exit(struct pt_regs *regs);
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#else
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static inline void start_ftrace_syscalls(void) { }
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static inline void stop_ftrace_syscalls(void) { }
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static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
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static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
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#endif
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#endif /* _TRACE_SYSCALL_H */
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