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Debugging information can take up quite a bit of space, especially the filenames and line numbers. Thus, binaries with debug symbols can become quite large, often several times the stripped file size. To avoid this extra size, most operating system distributions ship binaries that are stripped, i.e.
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Debug symbols typically include not only the name of a function or global variable, but also the name of the source code file in which the symbol occurs, as well as the line number at which it is defined. Other information includes the type of the symbol (integer, float, function, exception, etc.),
471:, these produced object code (on request) that included "SYM cards". These were usually ignored by the program loader but were useful to a symbolic debugger as they were kept on the same program library as the executable logic code.
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format, for which formal specifications exist, has largely supplanted it. The specification allows any compatible compiler or assembler to create debug symbols in a standardized format, and for any debugger, such as the
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platforms, debug symbols are optionally emitted during the build process as dSYM files. Apple uses the term "symbolicate" to refer to the replacement of addresses in diagnostic files with human readable values.
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Part of the debug information includes ithe line of code in the source file which defines that symbol (a function or global variable), as well as symbols associated with exception frames.
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This information may be stored in the symbol table of an object file, executable file, or shared library, or may be in a separate file.
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have a TEST option that causes the debug information to be retained in the load module. Various debug tools, e.g.,
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have a TEST option that causes the compiler to include debugging information in the object file. Similarly, the
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from which all of the debugging symbols have been removed. This is accomplished, for example, with the
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High Level
Assembler for z/OS & z/VM & z/VSE - Programmer's Guide - Version 1 Release 6
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IBM System/360 Operating System - TESTRAN - Program Logic Manual - Program Number 3605-PT-516
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https://firefox-source-docs.mozilla.org/taskcluster/using-the-mozilla-source-server.html
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on which to display the symbolic debugging information (and even earlier with symbolic
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MVS/370 - Linkage Editor Logic - Data
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This information can be helpful while trying to investigate and fix a
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The symbolic information may be compiled together with the module's
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has similar infrastructure but distributes full debug information.
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IDE can be configured to automatically download debug symbols for
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TEST, have the ability to use the embedded symbol definitions.
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The compilers for the IBM mainframe line descended from the
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of the binary, such as the names of identifiers, including
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407:) allow downloading debug symbols from the Internet. The
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era, almost since the first introduction of suitable
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459:on paper). They were not restricted to high level
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262:(GDB), to gain access and display these symbols.
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621:"Appendix. Input conventions and Record Formats"
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380:(HLASM) and other compilers running on, e.g.,
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137:that attaches additional information to the
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447:Symbolic debuggers have existed since the
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690:"Appendix C. Associated data file output"
117:Learn how and when to remove this message
661:Figure 69. SYM Input Record (Card Image)
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708:. 2015. pp. 227–275. SC26-4941-07
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737:2018-01-08 . Technical Note TN2151.
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516:"Debugging with Symbols"
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378:IBM High Level Assembler
549:"What are Symbols For?"
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392:Microsoft debug symbols
213:On some systems, e.g.,
420:dynamic-link libraries
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221:contains source code.
771:Mozilla Source Server
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486:Debugging data format
399:compilers generate a
191:Debugging information
133:is a special kind of
329:External debug files
253:systems. The newer
51:improve this article
424:Mozilla Corporation
405:Mozilla Corporation
219:§ OS/390 et al
635:(First ed.).
520:Windows Dev Center
467:programs. For the
348:. You can help by
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18:Symbolic debugging
598:. TNL GN26-8016.
465:assembly language
453:computer displays
411:debugger and the
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49:Please help
44:verification
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735:Apple, Inc.
673:LY26-3921-0
657:LY26-3921-0
229:command in
198:block scope
196:the scope (
174:compilation
170:binary file
159:source code
143:object file
745:2020-01-11
712:2024-07-11
643:2024-07-11
606:2024-07-11
569:2015-01-04
534:2020-01-11
502:References
307:System/360
151:executable
77:newspapers
791:Debugging
559:Microsoft
524:Microsoft
481:CA/EZTEST
449:mainframe
397:Microsoft
357:July 2024
321:TESTRAN,
294:July 2024
251:Unix-like
163:variables
785:Category
739:Archived
528:Archived
475:See also
461:compiled
185:crashing
554:TechNet
469:IBM/360
443:History
417:Windows
178:linking
176:and/or
91:scholar
409:WinDbg
370:OS/390
319:OS/360
311:Binder
149:or an
141:of an
135:symbol
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702:(PDF)
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587:(PDF)
457:dumps
436:Apple
430:Apple
372:et al
313:and
255:DWARF
247:stabs
227:strip
98:JSTOR
84:books
382:z/OS
376:The
231:Unix
215:z/OS
70:news
706:IBM
637:IBM
600:IBM
434:On
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200:or
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