# IA64 system calls

# In kernels < 2.6.33, mmap()/mmap2() was handled by arch-specific
# code.  In kernels >= 2.6.33, the arch-specific code just calls
# generic sys_mmap_pgoff().
%( kernel_v < "2.6.33" %?
# mmap
# sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, long off)
#
probe syscall.mmap = kernel.function("sys_mmap") ?
{
        name = "mmap"
        start = $addr
        len = $len
        prot = $prot
        flags = $flags
	# Although the kernel gets an unsigned long fd, on the
	# user-side it is a signed int.  Fix this.
	fd = __int32($fd)
        offset = $off
        argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr, $len,
                _mprotect_prot_str($prot), _mmap_flags($flags),
		__int32($fd), $off)
}

probe syscall.mmap.return = kernel.function("sys_mmap").return ?
{
        name = "mmap"
        retstr = return_str(2, $return)
}

# mmap2
# sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
probe syscall.mmap2 = kernel.function("sys_mmap2") ?
{
        name = "mmap2"
        start = $addr
        length = $len
        prot = $prot
        flags = $flags
        fd = $fd
        pgoffset = $pgoff
        argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr,
                $len, _mprotect_prot_str($prot), _mmap_flags($flags),
                $fd, $pgoff)
}
probe syscall.mmap2.return = kernel.function("sys_mmap2").return ?
{
        name = "mmap2"
        retstr = return_str(2, $return)
}
%)

# sigaltstack _______________________________________________
# asmlinkage long
# sys_sigaltstack (const stack_t __user *uss, stack_t __user *uoss, long arg2,
#                  long arg3, long arg4, long arg5, long arg6, long arg7,
#                  struct pt_regs regs)
#
probe syscall.sigaltstack = kernel.function("sys_sigaltstack")
{
	name = "sigaltstack";
%(systemtap_v <= "1.4" %?
	ss_uaddr = $uss
	oss_uaddr = $uoss
%)
	uss_uaddr = $uss
	uoss_uaddr = $uoss
	regs = &$regs
	argstr = sprintf("%p, %p", $uss, $uoss)
}
probe syscall.sigaltstack.return = kernel.function("sys_sigaltstack").return
{
	name = "sigaltstack";
	retstr = return_str(1, $return)
}

# sysctl _____________________________________________________
#
# long sys32_sysctl (struct sysctl32 __user *args)
#
probe syscall.sysctl32 = kernel.function("sys32_sysctl") ?
{
	name = "sysctl"
	argstr = sprintf("%p", $args)
}
probe syscall.sysctl32.return = kernel.function("sys32_sysctl").return ?
{
	name = "sysctl"
	retstr = return_str(1, $return)
}