10 More Discussions You Might Find Interesting
1. Programming
cannot generate .ko file on my linux, although it can generate module.symvers.
But when I copy .c file and Makefile to another linux computer, there's no problem.
The strange thing is: make is successfuly executed, and returned 0;
make output:
make -C /lib/modules/2.6.18-92.el5xen/build ... (4 Replies)
Discussion started by: vistastar
4 Replies
2. Programming
can a linux kernel module call libc functions, such as printf(), strcpy(), etc...? (9 Replies)
Discussion started by: vistastar
9 Replies
3. IP Networking
hi there
so, i was given an assignment: implement a linux system call that blocks all packets that are sent to a given IP (i have to do it without using iptables)
i'm really new to kernel programming btw (and i'm enjoying it a lot)
so, my syscall is called ip_block() and receives a... (1 Reply)
Discussion started by: lgfaria
1 Replies
4. IP Networking
Hello ;
This what i want to do :
I know that in the system call
#include <sys/socket.h>
int bind(int socket, const struct sockaddr *address,
socklen_t address_len);
you can specify the local port for your socket, but im using a private library , and im sure that in that library... (0 Replies)
Discussion started by: trutoman
0 Replies
5. UNIX for Advanced & Expert Users
Dear all,
I've just installed a Vanilla kernel (last stable version downloaded from www.kernel.org) as an exercice in order to better understand how to compile linux kernel. I loaded the .config file of the current kernel (Redhat kernel) in the menuconfig in order to restore all already... (0 Replies)
Discussion started by: dariyoosh
0 Replies
6. Programming
hello all,
I have developed a server application in C for ulinux kernel 2.6.It works very fine; creating a socket, binding it to a port, listening for incoming sockets and accepting them ,all finish without any error.
But there is a problem regarding application crash.After an intentionally... (1 Reply)
Discussion started by: Sedighzadeh
1 Replies
7. UNIX for Advanced & Expert Users
I write kernel module with kernel threads using
linux/kthread.h on 2.6.* kernel
I tried to passing data between two kernel threads
with data argument of kthread_run( fun, data , NAME );
but this is not work I dont know why. I tried many possibility
and nothing works.
So I thought that... (0 Replies)
Discussion started by: marcintom
0 Replies
8. Linux
Hi all,
I am working on USB data monitoring on Fedora Core 9. Kernel 2.6.25 has a built-in module (the one that isn't loadable, but compiles and links statically with the kernel during compilation) to snoop USB data. It is in <kernel_source_code>/drivers/usb/mon/.
I need to know if I can... (0 Replies)
Discussion started by: anitemp
0 Replies
9. UNIX for Dummies Questions & Answers
Hi,
Does anyone know if it is possible to know the current value of a kernel module parameters after the module is loaded. Are the values of the parameters advertised at some /proc or /sys location ?
The only thing I know is modinfo, that actually looks a the module .ko and gives a... (3 Replies)
Discussion started by: macL
3 Replies
10. Programming
This is a total nooby question, but here goes...
I am trying to do something in C for the very first time, and doing it in Solaris, for the very first time. It would otherwise be easy enough to test out and find out, but I wont be able to do so until the week after next for various reasons, so I... (5 Replies)
Discussion started by: hardwickj
5 Replies
LINUX(4) BSD Kernel Interfaces Manual LINUX(4)
NAME
linux -- Linux ABI support
SYNOPSIS
To compile support for this ABI into an i386 kernel place the following line in your kernel configuration file:
options COMPAT_LINUX
for an amd64 kernel use:
options COMPAT_LINUX32
Alternatively, to load the ABI as a module at boot time, place the following line in loader.conf(5):
linux_load="YES"
DESCRIPTION
The linux module provides limited Linux ABI (application binary interface) compatibility for userland applications. The module provides the
following significant facilities:
o An image activator for correctly branded elf(5) executable images
o Special signal handling for activated images
o Linux to native system call translation
It is important to note that the Linux ABI support it not provided through an emulator. Rather, a true (albeit limited) ABI implementation
is provided.
The following sysctl(8) tunable variables are available:
compat.linux.osname Linux kernel operating system name.
compat.linux.osrelease Linux kernel operating system release. Changing this to something else is discouraged on non-development systems,
because it may change the way Linux programs work. Recent versions of GNU libc are known to use different syscalls
depending on the value of this sysctl.
compat.linux.oss_version Linux Open Sound System version.
The linux module can be linked into the kernel statically with the COMPAT_LINUX kernel configuration option or loaded as required. The fol-
lowing command will load the module if it is neither linked into the kernel nor already loaded as a module:
if ! kldstat -v | grep -E 'linux(aout|elf)' > /dev/null; then
kldload linux > /dev/null 2>&1
fi
Note that dynamically linked Linux executables will require a suitable environment in /compat/linux. Specifically, the Linux run-time
linker's hints files should be correctly initialized. For this reason, it is common to execute the following commands to prepare the system
to correctly run Linux executables:
if [ -x /compat/linux/sbin/ldconfig ]; then
/compat/linux/sbin/ldconfig -r /compat/linux
fi
For information on loading the linux kernel loadable module automatically on system startup, see rc.conf(5). This information applies
regardless of whether the linux module is statically linked into the kernel or loaded as a module.
FILES
/compat/linux minimal Linux run-time environment
/compat/linux/proc limited Linux process file system
/compat/linux/sys limited Linux system file system
SEE ALSO
brandelf(1), elf(5), linprocfs(5), linsysfs(5)
HISTORY
Linux ABI support first appeared in FreeBSD 2.1.
BSD
February 8, 2010 BSD