Mar 21, 2016 · There's only one conventional way for a user program to explicitly request services from the kernel - make a system call. There are also traps and some Linux-specific userland …

Component Helper for Aggregate Drivers¶ The component helper allows drivers to collect a pile of sub-devices, including their bound drivers, into an aggregate driver. Various subsystems …

Figure 1 shows the steps involved in performing a call to read from a user space function, like the main procedure of a C program. You can verify the exact steps by running objdump on …

May 12, 2023 · It will outline several different methods of making systems calls, how to handcraft your own assembly to make system calls (examples included), kernel entry points into system …

*****HTTP Web Server Kernel Module***** ***** Author: Gaurav Tungatkar Description: The simple http server as a kernel module. Implemented using workqueues. Does not handle …

Dec 28, 2023 · Locating a system call’s implementation in the Linux kernel can feel like navigating a labyrinth. Let’s take the mkdir system call as our guiding example. This system call, familiar …

Aug 1, 2000 · Just such a kernel-space web server, called kHTTPd, was implemented in Linux kernel versions 2.3. x and 2.4. kHTTPd is different from other kernel web servers in that it runs …

Kprobes is a powerful mechanism in the Linux kernel that enables us to intercept system call functions using a standardized structure, making it universally applicable. The first step in …

This document describes what’s involved in adding a new system call to the Linux kernel, over and above the normal submission advice in Documentation/process/submitting-patches.rst. …

This tool is used to analysize Linux/Solaris/BSD kernel. It can draw callgraphs of your specific function, and help you understand the code. I hope you could like it.