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Starting A gdb Session From A Running Program

A running program can initiate a gdb session by calling the function attach_gdb().

For example,

  Debug(
    if (counter == 31523 && ptr == (void*)0x40013fa0)   // When to start debugging?
      attach_gdb();
  );

  ptr->foobar++;        // The debugging will start at this line.

The function attach_gdb() opens an xterm (or whatever is configured in the rcfile) and starts the gdb session inside it.

After exiting gdb the application will continue running.

In order for attach_gdb() to work, you will need to call read_rcfile() at the start of your application.

Copyright © 2001 - 2004 Carlo Wood.  All rights reserved.