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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758/* SPDX-License-Identifier: GPL-2.0 */#ifndef _TRACE_SYSCALL_H#define _TRACE_SYSCALL_H
#include <linux/tracepoint.h>#include <linux/unistd.h>#include <linux/trace_events.h>#include <linux/thread_info.h>
#include <asm/ptrace.h>
/* * A syscall entry in the ftrace syscalls array. * * @name: name of the syscall * @syscall_nr: number of the syscall * @nb_args: number of parameters it takes * @user_arg_is_str: set if the arg for @user_arg_size is a string * @user_arg_size: holds @arg that has size of the user space to read * @user_mask: mask of @args that will read user space * @types: list of types as strings * @args: list of args as strings (args[i] matches types[i]) * @enter_fields: list of fields for syscall_enter trace event * @enter_event: associated syscall_enter trace event * @exit_event: associated syscall_exit trace event */struct syscall_metadata { const char *name; int syscall_nr; u8 nb_args:7; u8 user_arg_is_str:1; s8 user_arg_size; short user_mask; const char **types; const char **args; struct list_head enter_fields;
struct trace_event_call *enter_event; struct trace_event_call *exit_event;};
#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)static inline void syscall_tracepoint_update(struct task_struct *p){ if (test_syscall_work(SYSCALL_TRACEPOINT)) set_task_syscall_work(p, SYSCALL_TRACEPOINT); else clear_task_syscall_work(p, SYSCALL_TRACEPOINT);}#elsestatic inline void syscall_tracepoint_update(struct task_struct *p){}#endif
#endif /* _TRACE_SYSCALL_H */