LINUX(4) | Device Drivers Manual | LINUX(4) |
NAME¶
linux — Linux ABI supportSYNOPSIS¶
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:- An image activator for correctly branded elf(5) executable images
- Special signal handling for activated images
- Linux to native system call translation
- 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.
COMPAT_LINUX
kernel configuration option or loaded
as required. The following 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
if [ -x /compat/linux/sbin/ldconfig ]; then /compat/linux/sbin/ldconfig -r /compat/linux fi
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.February 8, 2010 | Debian |