GDB features for C++
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   Some GDB commands are particularly useful with C++, and some are
designed specifically for use with C++.  Here is a summary:

`breakpoint menus'
     When you want a breakpoint in a function whose name is overloaded,
     GDB breakpoint menus help you specify which function definition
     you want.  See Breakpoint menus: Breakpoint Menus.

`rbreak REGEX'
     Setting breakpoints using regular expressions is helpful for
     setting breakpoints on overloaded functions that are not members
     of any special classes.  See Setting breakpoints: Set Breaks.

`catch EXCEPTIONS'
`info catch'
     Debug C++ exception handling using these commands.  
See Breakpoints and exceptions: Exception Handling.

`ptype TYPENAME'
     Print inheritance relationships as well as other information for
     type TYPENAME.  See Examining the Symbol Table: Symbols.

`set print demangle'
`show print demangle'
`set print asm-demangle'
`show print asm-demangle'
     Control whether C++ symbols display in their source form, both when
     displaying code as C++ source and when displaying disassemblies.
     See Print settings: Print Settings.

`set print object'
`show print object'
     Choose whether to print derived (actual) or declared types of
     objects.  See Print settings: Print Settings.

`set print vtbl'
`show print vtbl'
     Control the format for printing virtual function tables.  
See Print settings: Print Settings.

`Overloaded symbol names'
     You can specify a particular definition of an overloaded symbol,
     using the same notation that is used to declare such symbols in
     C++: type `SYMBOL(TYPES)' rather than just SYMBOL.  You can also
     use the GDB command-line word completion facilities to list the
     available choices, or to finish the type list for you.  
See Command completion: Completion, for details on how to do this.