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Re: [Gnash-dev] setting breakpoints in a supporting library

From: Rob Savoye
Subject: Re: [Gnash-dev] setting breakpoints in a supporting library
Date: Mon, 07 Sep 2009 11:07:36 -0600
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3

On 09/07/09 10:21, dww wrote:
I am trying to debug gtk-gnash to become more familiar with the code and
gain experience with gdb debugging.

I was trying to set breakpoints in IOChannel.cpp
I first did a
symbol-file /usr/local/lib/gnash/
then I set breakpoint in IOChannel.cpp

Loading the symbol table isn't going to do it. To test an installed gnash, run GDB on the gtk-gnash (or kde4-gnash, etc...) executable. Use the GDB command "set args" to specify the command line for Gnash, including the name of the swf file you are running. Then it'll work. I use ".gdbinit" files to set the default commands for Gnash when debugging, including doing a "tb main" followed by "run", which loads the symbol table making setting breakpoints easier. Otherwise just answer "y" when GDB prompts you about setting a breakpoint in a dynamically loaded library.

        - rob -

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