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|
%( CONFIG_GENERIC_SIGALTSTACK == "n" || kernel_v < "3.8" %?
# sigaltstack ________________________________________________
# long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
# unsigned long r5, unsigned long r6,
# unsigned long r7, unsigned long r8,
# struct pt_regs *regs)
#
# NOTE: args vary between archs.
#
@define _SYSCALL_SIGALTSTACK_NAME
%(
name = "sigaltstack"
%)
@define _SYSCALL_SIGALTSTACK_ARGSTR
%(
argstr = sprintf("%s, %p", uss_str, uoss_uaddr)
%)
probe syscall.sigaltstack = dw_syscall.sigaltstack !, nd_syscall.sigaltstack {}
probe syscall.sigaltstack.return = dw_syscall.sigaltstack.return !,
nd_syscall.sigaltstack.return {}
# dw_sigaltstack _____________________________________________________
probe dw_syscall.sigaltstack = kernel.function("sys_sigaltstack")
{
@_SYSCALL_SIGALTSTACK_NAME
uss_uaddr = $uss
uss_str = _stp_sigaltstack_u(uss_uaddr)
uoss_uaddr = $uoss
%(systemtap_v < "2.3" %?
regs = $regs
%)
@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe dw_syscall.sigaltstack.return = kernel.function("sys_sigaltstack").return
{
@_SYSCALL_SIGALTSTACK_NAME
@SYSC_RETVALSTR($return)
}
# nd_sigaltstack _____________________________________________________
probe nd_syscall.sigaltstack = kprobe.function("sys_sigaltstack")
{
@_SYSCALL_SIGALTSTACK_NAME
asmlinkage()
uss_uaddr = pointer_arg(1)
uss_str = _stp_sigaltstack_u(uss_uaddr)
uoss_uaddr = pointer_arg(2)
%(systemtap_v < "2.3" %?
regs = pointer_arg(7)
%)
@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe nd_syscall.sigaltstack.return =
kprobe.function("sys_sigaltstack").return
{
@_SYSCALL_SIGALTSTACK_NAME
@SYSC_RETVALSTR(returnval())
}
# sys32_sigaltstack ________________________________________
#
# int compat_sys_sigaltstack(u32 __new, u32 __old, int r5,
# int r6, int r7, int r8, struct pt_regs *regs)
# int sys32_sigaltstack(u32 __new, u32 __old, int r5,
# int r6, int r7, int r8, struct pt_regs *regs)
#
probe syscall.sys32_sigaltstack = dw_syscall.sys32_sigaltstack !,
nd_syscall.sys32_sigaltstack ? {}
probe syscall.sys32_sigaltstack.return = dw_syscall.sys32_sigaltstack.return !,
nd_syscall.sys32_sigaltstack.return ? {}
# dw_sys32_sigaltstack _____________________________________________________
probe dw_syscall.sys32_sigaltstack =
kernel.function("compat_sys_sigaltstack").call !,
kernel.function("sys32_sigaltstack").call ?
{
@_SYSCALL_SIGALTSTACK_NAME
uss_uaddr = @__pointer($__new)
uss_str = _stp_compat_sigaltstack_u(uss_uaddr)
uoss_uaddr = @__pointer($__old)
@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe dw_syscall.sys32_sigaltstack.return =
kernel.function("compat_sys_sigaltstack").return !,
kernel.function("sys32_sigaltstack").return ?
{
@_SYSCALL_SIGALTSTACK_NAME
@SYSC_RETVALSTR($return)
}
# nd_sys32_sigaltstack _____________________________________________________
probe nd_syscall.sys32_sigaltstack =
kprobe.function("compat_sys_sigaltstack") !,
kprobe.function("sys32_sigaltstack") ?
{
@_SYSCALL_SIGALTSTACK_NAME
uss_uaddr = pointer_arg(1)
uss_str = _stp_compat_sigaltstack_u(uss_uaddr)
uoss_uaddr = pointer_arg(2)
@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe nd_syscall.sys32_sigaltstack.return =
kprobe.function("compat_sys_sigaltstack").return !,
kprobe.function("sys32_sigaltstack").return ?
{
@_SYSCALL_SIGALTSTACK_NAME
@SYSC_RETVALSTR(returnval())
}
%)
|
