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A program named kgdb is also used by FreeBSD.It is a gdb based utility for debugging kernel core files. [5] It can also be used for remote "live" kernel debugging, much in the same way as the Linux KGDB, over either a serial connection or a firewire link.
debugfs is a special file system available in the Linux kernel since version 2.6.10-rc3. [1] It was written by Greg Kroah-Hartman. [2] debugfs is a simple-to-use RAM-based file system specially designed for debugging purposes. It exists as a simple way for kernel developers to make information available to user space. [3]
A kernel debugger is a debugger present in some operating system kernels to ease debugging and kernel development by the kernel developers. A kernel debugger might be a stub implementing low-level operations, with a full-blown debugger such as GNU Debugger (gdb), running on another machine, sending commands to the stub over a serial line or a network connection, or it might provide a command ...
Linux kernel boot and decompression process. vmlinux is a statically linked executable file that contains the Linux kernel in one of the object file formats supported by Linux, which includes Executable and Linkable Format (ELF) and Common Object File Format (COFF).
The same mode is also used by KGDB for debugging a running Linux kernel on the source level with gdb. With KGDB, kernel developers can debug a kernel in much the same way as they debug application programs. It makes it possible to place breakpoints in kernel code, step through the code, and observe variables.
The Linux kernel is a free and open source, [11]: 4 Unix-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix.
A shareware debugger, but free to use, OllyDbg is a 32-bit assembler-level debugger from Oleh Yuschuk. However, it can only be used for user-mode debugging. An open source kernel debugger similar to SoftICE named Rasta Ring 0 Debugger (RR0D) is available. [4] [5] It provides low-level debugging for Microsoft Windows, Linux, OpenBSD, NetBSD, and ...
kernel.org on the World Wide Web is the main distribution point of source code for the Linux kernel, which is the base of the Linux operating system.. The website and related infrastructure, which is operated by the Linux Kernel Organization, [1] host the repositories that make all versions of the kernel's source code available to all users.