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Topic: Dynamic debugging technique


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In the News (Fri 18 Dec 09)

  
  Dynamic debugging technique - Wikipedia, the free encyclopedia
Dynamic Debugging Technique, or DDT, was the name of several debugger programs originally developed for DEC hardware, originally known as DEC Debugging Tape because it was distributed on paper tape.
The first version of DDT was developed at MIT for the PDP-1 computer in 1961, but newer versions on newer platforms continued to use the same name.
DDT Command List for a freeware version written in portable C
en.wikipedia.org /wiki/Dynamic_debugging_technique   (144 words)

  
 Debugger - Wikipedia, the free encyclopedia
A debugger is a computer program that is used to debug (and sometimes test or optimize) other programs which might be running on the same computer (host computer) as the debugger is running, might be running on the target hardware, or might be running on the ISS.
Debuggers make the debugging process much easier and faster, to the point where the availability of a good one for a particular language and platform can sway the decision to use that language rather than another language that is superior in other respects but lacks such tools.
Dynamic debugging technique (DDT), and its octal counterpart ODT
en.wikipedia.org /wiki/Debugger   (385 words)

  
 ddt - FOLDOC Definition   (Site not responding. Last check: 2007-11-03)
In this sense the term DDT is now archaic, having been widely displaced by "debugger" or names of individual programs like "adb", "sdb", "dbx", or "gdb".
Under MIT's fabled ITS operating system, DDT (running under the alias HACTRN) was also used as the shell or top level command language used to execute other programs.
Historical footnote: DDT was developed at MIT for the PDP-1 computer in 1961.
www.nightflight.com /foldoc/foldoc.cgi?query=ddt   (334 words)

  
 ddt - definition by dict.die.net
DDT n : an insecticide that is also toxic to animals and humans; banned in the United States since 1972 [syn: dichlorodiphenyltrichloroethane, DDT]
The DEC PDP-10 Reference Handbook (1969) contained a footnote on the first page of the documentation for DDT that illuminates the origin of the term: Historical footnote: DDT was developed at MIT for the PDP-1 computer in 1961.
Any one of several specific DDTs (sense 1) supported on early DEC hardware and CP/M. The PDP-10 Reference Handbook (1969) contained a footnote on the first page of the documentation for DDT that illuminates the origin of the term: Historical footnote: DDT was developed at MIT for the PDP-1 computer in 1961.
dict.die.net /ddt   (664 words)

  
 Mastering Linux debugging techniques   (Site not responding. Last check: 2007-11-03)
There are many ways to go about debugging, such as printing out messages to the screen, using a debugger, or just thinking about the program execution and making an educated guess about the problem.
One of the primary features of this patch is that the remote host running gdb connects to the target machine (running the kernel to be debugged) during the boot process.
With Linux, the traditional method for debugging a system crash has been to analyze the details of the Oops message sent to the system console at the time of the crash.
www-128.ibm.com /developerworks/linux/library/l-debug   (3808 words)

  
 The New Hacker's Dictionary - = D =
Compiler optimization techniques and many aspects of OS design used to be deep magic; many techniques in cryptography, signal processing, graphics, and AI still are.
Similar techniques called `travesty generators' have been employed with considerable satirical effect to the utterances of Usenet flamers; see pseudo.
In elder days, debugging was generally done by `groveling over' a dump (see grovel); increasing use of high-level languages and interactive debuggers has made such tedium uncommon, and the term `dump' now has a faintly archaic flavor.
www.instinct.org /texts/jargon-file/jargon_19.html   (8757 words)

  
 Know it all Inc. (D)   (Site not responding. Last check: 2007-11-03)
It is a technique for specifying parallel computation at a fine-grain level, usually in the form of two-dimensional graphs in which instructions that are available for concurrent execution are written alongside each other while those that must be executed in sequence are written one under the other.
Compiler optimisation techniques and many aspects of {OS} design used to be {deep magic}; many techniques in cryptography, signal processing, graphics, and AI still are.
A technique used on the {SPARC} which attempts to reduce the effect of {pipeline break}s by executing the instruction after a branch instruction (the "delay instruction" in the "delay slot").
artikbre.synchro.net /docs/D.html   (14293 words)

  
 Probert Encyclopaedia: Abbreviations (Ddr-Ddz)   (Site not responding. Last check: 2007-11-03)
DDT is an abbreviation for DEC Debugging Tape
DDT is an abbreviation for Dynamic Debugging Technique
DDT and E is an abbreviation for Director, Defence Test and Evaluation
www.probertencyclopaedia.com /N4M.HTM   (256 words)

  
 Dictionary Definition of "DDT"   (Site not responding. Last check: 2007-11-03)
Historical footnote: DDT was developed at MIT for the PDP-1
Technique" has been adopted, retaining the DDT abbreviation.
Historical footnote: DDT was developed at MIT for the
hostingworks.com /support/dict.phtml?*=DDT   (509 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
In an interesting See: bit bang3 bit bang3 is instance of the {cycle of reincarnation}, this technique is now (1991) coming back into use on some RISC architectures because it consumes such an infinitesimal part of the processor that it actually makes sense not to have a UART.
VLSI design and compiler code optimization were (in their beginnings) considered classic examples of fl See: fl art2 fl art2 is art; as theory developed they became {deep magic}, and once standard textbooks had been written, became merely {heavy wizardry}.
Techspeak for a particular sorting technique in which pairs of adjacent values in the list to be sorted are compared and interchanged if they are out of order; thus, list entries `bubble upward' in the list until they bump into one with a lower sort value.
www.infobot.org /factpacks/jargon-split.fact   (19699 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
While it is expected that any real hacker will have done some playful cracking and knows many of the basic techniques, anyone past {larval stage} is expected to have outgrown the desire to do so.
A technique that works acceptably, but which is quite prone to failure if disturbed in the least.
Originally the name of a UNIX copy command with special options suitable for block-oriented devices; it was often used in heavy-handed system maintenance, as in "Let's `dd' the root partition onto a tape, then use the boot PROM to load it back on to a new disk".
stuff.mit.edu /afs/athena/contrib/emacs-contrib/info/jargon.info-7   (6859 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
If more than one pointer addresses (`aliases for') a given hunk of storage, it may happen that the storage is freed through one alias and then referenced through another, leading to subtle (and possibly intermittent) lossage depending on the state and the allocation history of the malloc {arena}.
The area of memory attached to a process by `brk(2)' and `sbrk(2)' and used by `malloc(3)' as dynamic storage.
The technique is a simple loop with eight OUT and SHIFT instruction pairs for each byte.
www.catb.org /jargon/oldversions/jarg261.txt   (19166 words)

  
 [No title]
At MIT, DDT is also used as the "top-level command language" to run other programs.
Since media other than tape are now frequently used, the more descriptive name "Dynamic Debugging Technique" has been adopted, retaining the DDT acronym.
The advantage of the scrolling technique is that new text always appears at the bottom of the screen.
www.textfiles.com /hacking/hakdic.txt   (20690 words)

  
 debugging - OneLook Dictionary Search
We found 8 dictionaries with English definitions that include the word debugging:
Tip: Click on the first link on a line below to go directly to a page where "debugging" is defined.
Phrases that include debugging: shotgun debugging, dynamic debugging technique
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=debugging   (127 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
If such a procedure hits a breakpoint and the expression evaluation is abandoned, the debugger may miss a subsequent arrival at that breakpoint.
In a parallel environment, debugging work can be offloaded onto a second processor [cite aral:efficient].
The ``debugger'' in the model presented here is really monitoring, not debugging, because the breakpoint implementation always resumes execution immediately after encountering the breakpoint.
www.eecs.harvard.edu /~nr/pubs/correctness.html   (4030 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
Energy Citations Database (ECD) Document #6795962 - DDT (dynamic debugging technique) and TDT (tracing debugging technique) for PDP-11 systems
Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
DDT (dynamic debugging technique) and TDT (tracing debugging technique) for PDP-11 systems
www.osti.gov /energycitations/product.biblio.jsp?osti_id=6795962   (90 words)

  
 A Retargetable Debugger - Ramsey, Hanson (ResearchIndex)   (Site not responding. Last check: 2007-11-03)
Abstract: We are developing techniques for building retargetable debuggers.
Our prototype, ldb, debugs C programs compiled for the MIPS R3000, Motorola 68020, SPARC, and VAX architectures.
28 A dataflow approach to event-based debugging - Olsson, Crawford et al.
citeseer.ist.psu.edu /70654.html   (602 words)

  
 ddt
3 definitions found From Jargon File (4.2.3, 23 NOV 2000) [jargon]: DDT /D-D-T/ n.
Generic term for a program that assists in debugging other programs by showing individual machine instructions in a readable symbolic form and letting the user change them In this sense the term DDT is now archaic, having been widely displaced by `debugger' or names of individual programs like `adb', `sdb', `dbx', or `gdb'.
From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]: DDT 1.
www.beetfoundation.com /words/d/ddt.html   (731 words)

  
 [No title]
; Don't mistake garbage for an attempt at a DDT internal address, and ; allow space after a comma to override the left half for section ; defaulting.
Add FTDSYM, debugging symbols, which defaults ; off for FTEX10 and on for all other cases.
If FTDSYM is off, then ; all of DDT's local symbols will be expunged at assembly time.
pdp-10.trailing-edge.com /bb-bt99p-bb/01/ddt.x22   (2163 words)

  
 InfernoSoft MacOzzie
I hauled out an old manual to check up on DDT, the oh-so-cleverly named Dynamic Debugging Technique, and used it to poke around in the 'system.' To my complete surprise, MacOzzie simulates an entire Osborne One memory scheme.
I had the test applications written and debugged in the better part of an afternoon, transported them via the communications program to another CP/M computer, a Morrow lent to me by Jerry Richnelle.
I made it clear it was a simple test system and contained no new software, and they left soon enough.) I loaded the programs into the Morrow and checked them out one by one.
www.infernosoft.com /company/products/MacOzzie.html   (669 words)

  
 Dynamic debugging probes   (Site not responding. Last check: 2007-11-03)
Dynamic Probes is a generic and pervasive debugging facility that will operate under the most extreme software conditions such as debugging a deep rooted operating system problem in a live environment, for example in the page-manager of the kernel or perhaps a problem that will not re-create easily in either a lab or production environment.
For such inaccessible problem scenarios Dynamic Probes not only offers a technique for gathering diagnostic information but has a high probability of successful outcome without the need to build custom modules for debugging purposes.
The DProbes facility can be used to insert software probes dynamically into executing code modules.
www.linuxdevices.com /links/LK6437810221.html   (422 words)

  
 WCW Monday Nitro, Monday, 06/08/98
At the 4:44 point he hit a solid kick and followed with a submission Tenay referred to as a "Cross armbreaker" although Nagata quickly reached the ropes.
DDT received its name due to its purpose.
It was invented in 1961 and banned in 1976.
www.ddtdigest.com /updates/1998062m.htm   (5189 words)

  
 WCW Monday Nitro - Monday, 6/15/98
The name DDT was derived from its chemical equation.
It is also correct as "Dynamic Debugging Technique" was the name the chemical took from its function through the years.
Jon da Bomb: "According to Mike Tenay, the DDT originated in the orient and stands for Dragon's Deadly Tornado.
ddtdigest.com /updates/1998063m.htm   (13267 words)

  
 dynamic tools - OneLook Dictionary Search   (Site not responding. Last check: 2007-11-03)
Sorry, no dictionaries indexed in the selected category contain the phrase dynamic tools.
You can look up the words in the phrase individually using these links: dynamic tools
If you're sure it's a word, try doing a general web search for dynamic tools:   Google, AltaVista
www.onelook.com /?w=dynamic+tools&ls=a   (87 words)

  
 dictionary d   (Site not responding. Last check: 2007-11-03)
It is a technique for specifying parallel computation at a
This technique is implemented in {hardware} in some
technique which names, abstracts and identifies aspects of a
www.star-cs.com /peterstar/d.html   (10987 words)

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