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realksh.c
Langue: en
Version: 304525 (debian - 07/07/09)
Section: 8 (Commandes administrateur)
NAME
realksh.c - A shell for running Kernel-mode C codeSYNOPSIS
realksh.cDESCRIPTION
realksh.c is an interactive shell that runs C source code. A line of input is handled as a line in module_init() function, and the resulting C code is compiled to build a kernel module. The module is then inserted into the kernel, and removed from the kernel. kernel message output prepended with KMSG: is copied to standard out for convenience, so that functions like printk can be used for easy debugging.If a line starting with # such as #include <stdio.h> is entered, it is added to every code after that at the start of sourcecode.
The list of such lines can be seen with ##
EXAMPLES
The following is an example session
$ sudo ./realksh.c REAL ksh: printk ("hello\n"); Building modules, stage 2. KMSG: <4>hello REAL ksh: printk ("%x\n", mfmsr()); Building modules, stage 2. KMSG: <4>9032 REAL ksh: printk ("%x\n", mfspr(SPRN_MMCR0)); Building modules, stage 2. KMSG: <4>0 REAL ksh:
INTERNALS
The following is how the C code looks like.#include <linux/module.h> #include <linux/init.h> MODULE_AUTHOR("dancerj"); MODULE_DESCRIPTION("...."); MODULE_LICENSE("GPL"); static int __init realkshmod2_init(void) { input-line return 0; } static void __exit realkshmod2_cleanup(void) { } module_init(realkshmod2_init); module_exit(realkshmod2_cleanup);
AUTHOR
Junichi Uekawa (dancer@debian.org)Upstream page is available at http://www.netfort.gr.jp/~dancer/software/
SEE ALSO
binfmtc-interpreter(1), realcsh.c(1), realcxxsh.cc(1)Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre