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# access _____________________________________________________
# long sys_access(const char __user * filename, int mode)
@define _SYSCALL_ACCESS_NAME
%(
name = "access"
%)
@define _SYSCALL_ACCESS_ARGSTR
%(
argstr = sprintf("%s, %s", pathname, mode_str)
%)
probe syscall.access = dw_syscall.access !, nd_syscall.access ? {}
probe syscall.access.return = dw_syscall.access.return !, nd_syscall.access.return ? {}
# dw_access _____________________________________________________
probe dw_syscall.access = kernel.function("sys_access").call
{
@_SYSCALL_ACCESS_NAME
pathname = user_string_quoted($filename)
mode = __int32($mode)
mode_str = _access_mode_str(__int32($mode))
@_SYSCALL_ACCESS_ARGSTR
}
probe dw_syscall.access.return = kernel.function("sys_access").return
{
@_SYSCALL_ACCESS_NAME
retstr = return_str(1, $return)
}
# nd_access _____________________________________________________
probe nd_syscall.access = kprobe.function("sys_access") ?
{
@_SYSCALL_ACCESS_NAME
asmlinkage()
pathname = user_string_quoted(pointer_arg(1))
mode = int_arg(2)
mode_str = _access_mode_str(mode)
@_SYSCALL_ACCESS_ARGSTR
}
probe nd_syscall.access.return = kprobe.function("sys_access").return ?
{
@_SYSCALL_ACCESS_NAME
retstr = returnstr(1)
}