# IA64 system calls

# mmap
# sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, long off)
#
probe nd_syscall.mmap = kprobe.function("sys_mmap") ?
{
	name = "mmap"
	// start = $addr
	// len = $len
	// prot = $prot
	// flags = $flags
	// fd = $fd
	// offset = $off
	// argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr, $len,
	// 		_mprotect_prot_str($prot), _mmap_flags($flags), $fd, $off)
	asmlinkage()
	start = ulong_arg(1)
	len = ulong_arg(2)
	prot = int_arg(3)
	flags = int_arg(4)
	fd = int_arg(5)
	offset = long_arg(6)
	argstr = sprintf("%p, %d, %s, %s, %d, %d", start, len,
			_mprotect_prot_str(prot), _mmap_flags(flags), fd, offset)
}

probe nd_syscall.mmap.return = kprobe.function("sys_mmap").return ?
{
	name = "mmap"
	retstr = returnstr(2)
}

# mmap2
# sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
probe nd_syscall.mmap2 = kprobe.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)
	asmlinkage()
	start = ulong_arg(1)
	length = ulong_arg(2)
	prot = int_arg(3)
	flags = int_arg(4)
	fd = int_arg(5)
	pgoffset = long_arg(6)
	argstr = sprintf("%p, %d, %s, %s, %d, %d", start, length,
			_mprotect_prot_str(prot), _mmap_flags(flags), fd, pgoffset)
}
probe nd_syscall.mmap2.return = kprobe.function("sys_mmap2").return ?
{
	name = "mmap2"
	retstr = returnstr(2)
}

# 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 nd_syscall.sigaltstack = kprobe.function("sys_sigaltstack")
{
	name = "sigaltstack";
	// ss_uaddr = $uss
	// oss_uaddr = $uoss
	// argstr = sprintf("%p, %p", $uss, $uoss)
	asmlinkage()
	ss_uaddr = pointer_arg(1)
	oss_uaddr = pointer_arg(2)
	argstr = sprintf("%p, %p", ss_uaddr, oss_uaddr)
}
probe nd_syscall.sigaltstack.return = kprobe.function("sys_sigaltstack").return
{
	name = "sigaltstack";
	retstr = returnstr(1)
}

# sysctl _____________________________________________________
#
# long sys32_sysctl (struct sysctl32 __user *args)
#
probe nd_syscall.sysctl32 = kprobe.function("sys32_sysctl") ?
{
	name = "sysctl"
	// argstr = sprintf("%p", $args)
	asmlinkage()
	argstr = sprintf("%p", pointer_arg(1))
}
probe nd_syscall.sysctl32.return = kprobe.function("sys32_sysctl").return ?
{
	name = "sysctl"
	retstr = returnstr(1)
}