How do you get symbols in gdb?

To add additional symbols you might use add-symbol-file . The add-symbol-file command reads additional symbol table information from the file filename. You would use this command when filename has been dynamically loaded (by some other means) into the program that is running.

What is a symbol file gdb?

The usual symbol file is the file containing the program which GDB is debugging. GDB can be directed to use a different file for symbols (with the “symbol-file” command), and it can also read more symbols via the “add-file” and “load” commands, or while reading symbols from shared libraries.

How do I debug a core file without symbols?

Try running a “pmap” against the core file (if hp/ux has this tool). This should report the starting addresses of all modules in the core file. With this info, you should be able to take the address of the failure location and figure out what library crashed.

What is a debug symbol file?

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.

How do I use GDB files?

Use the file command to get both symbol table and program to run from the same file.

  1. symbol-file with no argument clears out gdb information on your program’s symbol table.
  2. The symbol-file command causes gdb to forget the contents of some breakpoints and auto-display expressions.

What is a symbol-file?

A. Symbol files are created when images are compiled and are used for debugging an image. They allow someone with the correct tools to view code as the software is running. You do not need symbol files unless you are a developer.

How do I read a core dump file in Windows?

Analyzing Dump Files

  1. Click Search in the Taskbar and type WinDbg,
  2. Right-click WinDbg and select Run as administrator.
  3. Click the File menu.
  4. Click Start debugging.
  5. Click Open Dump file.
  6. Select the Dump file from the folder location – for example, %SystemRoot%\Minidump.
  7. Click Open.