teaching gdb about new types?

Paul Koning paul_koning@dell.com
Fri Apr 29 18:57:00 GMT 2011

The simple answer is to get a copy of libc.so with debug symbols, and load that symbol table.  You don't have to replace the library itself to do that.  


On Apr 29, 2011, at 2:36 PM, Richard Silverman wrote:

> Hello,
> This seems as if it should be simple, but I can't find an answer.  I would like to teach gdb about new types relevant to the program being debugged, which are not among the debugging info in the program.  A concrete example: I have a program which uses pthreads from libc.  It calls:
>       int pthread_cond_wait(pthread_cond_t *restrict cond,
>           pthread_mutex_t *restrict mutex);
> ... and the argument types are defined in system header files.  But libc.so has no debugging info, so gdb doesn't know about these types, and can't interpret the arguments for me.  How can I teach gdb about these types?
> Thanks,
> - Richard

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