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(gdb.info)Frame Info

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Information about a frame
=========================

   There are several other commands to print information about the
selected stack frame.

`frame'
`f'
     When used without any argument, this command does not change which
     frame is selected, but prints a brief description of the currently
     selected stack frame.  It can be abbreviated `f'.  With an
     argument, this command is used to select a stack frame.  Note:
     Selecting a frame.

`info frame'
`info f'
     This command prints a verbose description of the selected stack
     frame, including:

        * the address of the frame

        * the address of the next frame down (called by this frame)

        * the address of the next frame up (caller of this frame)

        * the language in which the source code corresponding to this
          frame is written

        * the address of the frame's arguments

        * the address of the frame's local variables

        * the program counter saved in it (the address of execution in
          the caller frame)

        * which registers were saved in the frame

     The verbose description is useful when something has gone wrong
     that has made the stack format fail to fit the usual conventions.

`info frame ADDR'
`info f ADDR'
     Print a verbose description of the frame at address ADDR, without
     selecting that frame.  The selected frame remains unchanged by this
     command.  This requires the same kind of address (more than one
     for some architectures) that you specify in the `frame' command.
     Note: Selecting a frame.

`info args'
     Print the arguments of the selected frame, each on a separate line.

`info locals'
     Print the local variables of the selected frame, each on a separate
     line.  These are all variables (declared either static or
     automatic) accessible at the point of execution of the selected
     frame.

`info catch'
     Print a list of all the exception handlers that are active in the
     current stack frame at the current point of execution.  To see
     other exception handlers, visit the associated frame (using the
     `up', `down', or `frame' commands); then type `info catch'.  Note:
     Setting catchpoints.