The free build (or retail build) has relatively small binaries, and the checked build (or debug build) has larger binaries, with more debugging symbols in the code itself. The Windows operating system was built in two versions. The Visual C++ linker, places all symbols into. The compiler and the linker control the symbol format. Windows keeps its symbols in files with the extension. You must obtain the proper symbols for the code that you wish to debug, and load these symbols into the debugger. Both live debugging and debugging crash dump files require symbols. When debugging, you must make sure that the debugger can access the symbol files that are associated with the target you are debugging. ![]() For details, see Public and Private Symbols. Often, software companies release two versions of each symbol file: a full symbol file containing both public symbols and private symbols, and a reduced (stripped) file containing only public symbols. For example, a single symbol file Myprogram.pdb might contain several hundred symbols, including global variables and function names and hundreds of local variables. Symbol files hold a variety of data which are not actually needed when running the binaries, but which could be very useful in the debugging process.įunction names and the addresses of their entry pointsĮach of these items is called, individually, a symbol. dll files also creates a number of additional files known as symbol files. When applications, libraries, drivers, or operating systems are linked, the linker that creates the.
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