How do I use the debugger in xcode?

Discussion in 'Mac Programming' started by Spanky Deluxe, Jul 9, 2007.

  1. Spanky Deluxe macrumors 601

    Spanky Deluxe

    Mar 17, 2005
    London, UK
    Most code I've had to write before has just required simple debugging and I've never had to make use of a debugger so this is all new to me. I've got a piece of code that has a bug in it somewhere that causes a sigsev error. I worked out that I needed to use the "Enable Guard Malloc" option and the debugger has kicked up an error of "EXC_BAD_ACCESS" in what appears to be asm GMmalloc. Armed with this information, how do I find out which line of code (all C based) is causing the error? Unfortunately I haven't reached the level of "The One" yet to be able to read assembly code like a book!! :p

    Edit: I think the bug may be being caused inside the fftw3 fink library the program causes, even more stuff that I don't really understand!!

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