![]() It also includes a complete reference for and discussion of the MDB language syntax, debugger features, and MDB Module Programming API. The Solaris Modular Debugger Guide describes how to use MDB to debug complex software systems, with a particular emphasis on the facilities available for debugging the Solaris kernel and associated device drivers and modules. Its primary feature is its extensibility. mdb The Modular Debugger (MDB) is a new general purpose debugging tool for the Solaris Operating Environment. DTrace An advanced tool on Solaris that provides functions like profiling and many others on the entire system, including the kernel. ladebug An enhanced debugger on Tru64 Unix systems from HP (originally Digital Equipment Corporation) that handles advanced functionality like threads better than dbx. It uses an interactive command line interface. It is often part of an optional development toolkit package which comes at an extra price. Debuggers for Other Systems dbx The standard Unix debugger on systems derived from AT&T Unix. RR0D Project Page Radare2 A debugger and reversing framework. Project page KDbg A gdb front-end for KDE. edb A fully featured plugin-based debugger inspired by the famous OllyDbg. Newer versions of valgrind also support OS X. You can write your own plug-in module as desired. ![]() valgrind Executes a program under emulation, performing analysis according to one of the many plug-in modules as desired. With xtrace, you get a log of some of the funtion calls being made. With ltrace, you get a log of all the library calls being made. With strace, you get a log of all the system calls being made. strace, ltrace, and xtrace Lets you run a program while watching the actions it performs. For example, a linked list will look just like a textbook illustration. This provides graphical representations of data structures. ![]() This provides a powerful hex editor and allows full scripting in a LISP-like language. emacs The GNU editor, can be used as a front-end to gdb. It is quite powerful and even somewhat programmable, though the raw user interface is harsh. Gdb The GNU debugger, comes with any normal Linux install. Some of the debuggers may give you better experience than the old and native ones on your system. They may be available on some other Unix(-like) systems, or even Windows. Many of the open source debuggers on Linux, again, are cross-platform. Immunity Debugger Immunity Debugger is a branch of OllyDbg v1.10, with built-in support for Python scripting and much more. 圆4dbg is the spiritual successor to the discontinued OllyDbg. 圆4dbg A set of 32 and 64 bit x86 debuggers. Very useful for patching, disassembling, and debugging. OllyDbg OllyDbg is a free and powerful Windows debugger with a built-in disassembly and assembly engine. IDA Pro The multi-processor, multi-OS, interactive disassembler by DataRescue. WinDbg is not the same as the better-known Visual Studio Debugger, but comes with a nifty GUI nonetheless. WinDbg WinDbg is a free piece of software from Microsoft that can be used for local user-mode debugging, or even remote kernel-mode debugging. Wikipedia has related information at WinDbg SoftICE was taken off the market in April 2006. SoftICE can be used for local kernel debugging, which is a feature that is very rare, and very valuable. SoftICE A de facto standard for Windows debugging. Wikipedia has related information at SoftICE For instance, when a program accesses a certain variable, or calls a certain API function, the debugger can pause program execution. Debuggers often allow the user to set breakpoints on instructions, function calls, and even memory locations.Ī breakpoint is an instruction to the debugger that allows program execution to be halted when a certain condition is met. Debuggers allow you to analyze the program while it is running, to help you get a better picture of what it is doing.Īdvanced debuggers often contain at least a rudimentary disassembler, often times hex editing and reassembly features. You can see what instructions are executed in which order, and which sections of the program are treated as code and which are treated as data. Wikipedia has related information at debuggerĭebuggers are programs that allow the user to execute a compiled program one step at a time.
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