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Name	Size	Permission
aux_syscalls.stp	3.58 KB	-rw-r--r--
sysc_arch_prctl.stp	3.21 KB	-rw-r--r--
sysc_compat_execve.stp	1.59 KB	-rw-r--r--
sysc_compat_fadvise64.stp	6.92 KB	-rw-r--r--
sysc_compat_fallocate.stp	3.54 KB	-rw-r--r--
sysc_compat_ftruncate64.stp	3.34 KB	-rw-r--r--
sysc_compat_lookup_dcookie.stp	3.72 KB	-rw-r--r--
sysc_compat_readahead.stp	3.18 KB	-rw-r--r--
sysc_compat_truncate64.stp	3.45 KB	-rw-r--r--
sysc_execve.stp	1.62 KB	-rw-r--r--
sysc_get_thread_area.stp	3.18 KB	-rw-r--r--
sysc_iopl.stp	2.27 KB	-rw-r--r--
sysc_mmap.stp	4.04 KB	-rw-r--r--
sysc_mmap2.stp	2.62 KB	-rw-r--r--
sysc_pipe32.stp	1.54 KB	-rw-r--r--
sysc_set_thread_area.stp	3.13 KB	-rw-r--r--
sysc_sigaltstack.stp	2.24 KB	-rw-r--r--
sysc_sysctl32.stp	1.12 KB	-rw-r--r--
sysc_vm86_warning.stp	1.17 KB	-rw-r--r--
syscall_num.stp	53.77 KB	-rw-r--r--

Code Editor : sysc_pipe32.stp

# pipe _______________________________________________________
#
# long sys32_pipe(int __user *fd)
# Not available in newer kernels.

@define _SYSCALL_PIPE32_NAME
%(
	name = "pipe"
%)

probe syscall.pipe32 = dw_syscall.pipe32 !, nd_syscall.pipe32 ? {}
probe syscall.pipe32.return = dw_syscall.pipe32.return !, nd_syscall.pipe32.return ? {}

# dw_pipe32 _____________________________________________________

probe dw_syscall.pipe32 = kernel.function("sys32_pipe")?
{
	@_SYSCALL_PIPE32_NAME
	flags = 0;
	flag_str = ""
	if (@defined($fd)) {
		fildes_uaddr = $fd
		if (fildes_uaddr == 0) {
			pipe0 = 0;
			pipe1 = 0;
			argstr = "NULL"
		} else {
			pipe0 = user_int(&$fd[0]);
			pipe1 = user_int(&$fd[1]);
			argstr = sprintf("[%d, %d]", pipe0, pipe1);
		}
	} else {
		fildes_uaddr = 0;
		pipe0 = 0;
		pipe1 = 0;
		argstr = "[0, 0]";
	}
}
probe dw_syscall.pipe32.return = kernel.function("sys32_pipe").return?
{
	@_SYSCALL_PIPE32_NAME
	flags = 0;
	if (@defined(@entry($fd))) {
		fildes_uaddr = @entry($fd)
		if (fildes_uaddr == 0) {
			pipe0 = 0;
			pipe1 = 0;
		} else {
			pipe0 = @entry(user_int(&$fd[0]));
			pipe1 = @entry(user_int(&$fd[1]));
		}
	} else {
		fildes_uaddr = 0;
		pipe0 = 0;
		pipe1 = 0;
	}
	@SYSC_RETVALSTR($return)
}

# nd_pipe32 _____________________________________________________

probe nd_syscall.pipe32 = kprobe.function("sys32_pipe")?
{
	@_SYSCALL_PIPE32_NAME
	asmlinkage()
	argstr = sprintf("%p", pointer_arg(1))
}
probe nd_syscall.pipe32.return = kprobe.function("sys32_pipe").return?
{
	@_SYSCALL_PIPE32_NAME
	@SYSC_RETVALSTR(returnval())
}

${this.title}

Code Editor : sysc_pipe32.stp