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# getrusage __________________________________________________
# long sys_getrusage(int who, struct rusage __user *ru)
# COMPAT_SYSCALL_DEFINE2(getrusage, int, who, struct compat_rusage __user *,
# ru)
#
@define _SYSCALL_GETRUSAGE_NAME
%(
name = "getrusage"
%)
@define _SYSCALL_GETRUSAGE_ARGSTR
%(
argstr = sprintf("%s, %p", who_str, usage_uaddr)
%)
@define _SYSCALL_GETRUSAGE_REGARGS
%(
who = int_arg(1)
who_str = _rusage_who_str(who)
usage_uaddr = pointer_arg(2)
%)
@define _SYSCALL_GETRUSAGE_REGARGS_STORE
%(
if (@probewrite(who))
set_int_arg(1, who)
if (@probewrite(usage_uaddr))
set_pointer_arg(2, usage_uaddr)
%)
probe syscall.getrusage = dw_syscall.getrusage !,
nd_syscall.getrusage ? {}
probe syscall.getrusage.return = dw_syscall.getrusage.return !,
nd_syscall.getrusage.return ? {}
# dw_getrusage _____________________________________________________
probe dw_syscall.getrusage = __syscall.getrusage,
kernel.function("compat_sys_getrusage").call ?
{
@_SYSCALL_GETRUSAGE_NAME
who = __int32($who)
who_str = _rusage_who_str(who)
usage_uaddr = @__pointer($ru)
@_SYSCALL_GETRUSAGE_ARGSTR
}
probe __syscall.getrusage = kernel.function("sys_getrusage").call
{
@__syscall_gate(@const("__NR_getrusage"))
}
probe dw_syscall.getrusage.return = __syscall.getrusage.return,
kernel.function("compat_sys_getrusage").return ?
{
@_SYSCALL_GETRUSAGE_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.getrusage.return = kernel.function("sys_getrusage").return
{
@__syscall_gate(@const("__NR_getrusage"))
}
# nd_getrusage _____________________________________________________
probe nd_syscall.getrusage = nd1_syscall.getrusage!, nd2_syscall.getrusage!, tp_syscall.getrusage
{ }
probe nd1_syscall.getrusage = __nd1_syscall.getrusage,
kprobe.function("compat_sys_getrusage").call ?
{
@_SYSCALL_GETRUSAGE_NAME
asmlinkage()
@_SYSCALL_GETRUSAGE_REGARGS
@_SYSCALL_GETRUSAGE_ARGSTR
}
probe __nd1_syscall.getrusage = kprobe.function("sys_getrusage").call
{
@__syscall_gate(@const("__NR_getrusage"))
}
/* kernel 4.17+ */
probe nd2_syscall.getrusage = kprobe.function(@arch_syscall_prefix "sys_getrusage") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_getrusage") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_GETRUSAGE_NAME
@_SYSCALL_GETRUSAGE_REGARGS
@_SYSCALL_GETRUSAGE_ARGSTR
},
{
@_SYSCALL_GETRUSAGE_REGARGS_STORE
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getrusage = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_getrusage"), @const("__NR_compat_getrusage"))
@_SYSCALL_GETRUSAGE_NAME
@_SYSCALL_GETRUSAGE_REGARGS
@_SYSCALL_GETRUSAGE_ARGSTR
},
{
@_SYSCALL_GETRUSAGE_REGARGS_STORE
}
probe nd_syscall.getrusage.return = nd1_syscall.getrusage.return!, nd2_syscall.getrusage.return!, tp_syscall.getrusage.return
{ }
probe nd1_syscall.getrusage.return = __nd1_syscall.getrusage.return,
kprobe.function("compat_sys_getrusage").return ?
{
@_SYSCALL_GETRUSAGE_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.getrusage.return = kprobe.function("sys_getrusage").return
{
@__syscall_gate(@const("__NR_getrusage"))
}
/* kernel 4.17+ */
probe nd2_syscall.getrusage.return = kprobe.function(@arch_syscall_prefix "sys_getrusage").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_getrusage").return ?
{
@_SYSCALL_GETRUSAGE_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getrusage.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_getrusage"), @const("__NR_compat_getrusage"))
@_SYSCALL_GETRUSAGE_NAME
@SYSC_RETVALSTR($ret)
}
|
