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# fchmod _____________________________________________________
# long sys_fchmod(unsigned int fd, mode_t mode)
@define _SYSCALL_FCHMOD_NAME
%(
name = "fchmod"
%)
@define _SYSCALL_FCHMOD_ARGSTR
%(
argstr = sprintf("%d, %#o", fildes, mode)
%)
probe syscall.fchmod = dw_syscall.fchmod !, nd_syscall.fchmod ? {}
probe syscall.fchmod.return = dw_syscall.fchmod.return !, nd_syscall.fchmod.return ? {}
# dw_fchmod _____________________________________________________
probe dw_syscall.fchmod = kernel.function("sys_fchmod").call
{
@_SYSCALL_FCHMOD_NAME
fildes = __int32($fd)
%( arch == "i386" %?
# Why @cast() here? Even though the user passes an unsigned
# int (32-bits), some kernels (2.6.32-431.el6.i686) get an
# unsigned short (16-bits).
mode = @uint_cast(&$mode)
%:
mode = __uint32($mode)
%)
@_SYSCALL_FCHMOD_ARGSTR
}
probe dw_syscall.fchmod.return = kernel.function("sys_fchmod").return
{
@_SYSCALL_FCHMOD_NAME
retstr = return_str(1, $return)
}
# nd_fchmod _____________________________________________________
probe nd_syscall.fchmod = kprobe.function("sys_fchmod") ?
{
@_SYSCALL_FCHMOD_NAME
asmlinkage()
fildes = int_arg(1)
mode = uint_arg(2)
@_SYSCALL_FCHMOD_ARGSTR
}
probe nd_syscall.fchmod.return = kprobe.function("sys_fchmod").return ?
{
@_SYSCALL_FCHMOD_NAME
retstr = returnstr(1)
}