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A debug symbol is a special kind of symbol that attaches additional information to the symbol table of an object file, such as a shared library or an executable.This information allows a symbolic debugger to gain access to information from the source code of the binary, such as the names of identifiers, including variables and routines.
WinDbg can automatically load debugging symbol files (e.g., PDB files) from a server by using a unique ID embedded in the executable (using the "RSDS Guid" [3]) via SymSrv (SymSrv.dll), [4] instead of requiring users to manually find the files. If a private symbol server is configured, the symbols can be correlated with the source code for the ...
stabs (sometimes written STABS) is a debugging data format for storing information about computer programs for use by symbolic and source-level debuggers. (The information is stored in symbol table strings; hence the name "stabs".)
Program database (PDB) is a file format (developed by Microsoft) for storing debugging information about a program (or, commonly, program modules such as a DLL or EXE).PDB files commonly have a .pdb extension.
Modern debugging data formats store enough information to allow source-level debugging. High-level debuggers need information about variables, types, constants, subroutines and so on, so they can translate between machine-level storage and source language constructs.
Microsoft Symbol Server is a Windows technology used to obtain symbol debugging information. It is built by using the SymSrv technology that is bundled with the Debugging Tools for Windows package. The SymChk.exe utility can be used to verify symbols and to build a local symbol cache in a convenient, supposedly non-invasive way.
Free for download and use as described in the Sun Studio product license. dbx is a source-level debugger found primarily on Solaris , AIX , IRIX , Tru64 UNIX , Linux and BSD operating systems. It provides symbolic debugging for programs written in C , C++ , Fortran , Pascal and Java .
A symbol table is a look-up between symbol names and their addresses in memory. A symbol name may be the name of a variable or the name of a function. The System.map is required when the address of a symbol name, or the symbol name of an address, is needed. It is especially useful for debugging kernel panics and kernel oopses.