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Re: Breakpoints in a plugin

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Re: Breakpoints in a plugin

Subject: Re: Breakpoints in a plugin
From: Justin Greenfield <email@hidden>
Date: Thu, 21 Dec 2006 11:10:56 -0600

Basically, the steps outlined in the Q&A QA15000: Debugging a Web Kit Plug-in in Xcode aren't working.

http://developer.apple.com/qa/qa2006/qa1500.html

Justin

On Dec 20, 2006, at 4:13 PM, Justin Greenfield wrote:

Well, this seems like it's a pretty regular subject for me over the years, but once again I've found myself unable to get breakpoints to fire in the Xcode debugger. A couple of weeks ago I upgraded to a new machine (from a G5 to a MacPro) and today I needed to step through something in the debugger, but no such luck. This all worked at some point in the not too distant past, but I have no idea what's screwed up now.

In this case, my project is a netscape plugin. I'm using XCode 2.4.1. I've set Safari to the custom executable. I have "Load Symbols Lazily" unchecked in the XCode preferences. In "Debug- >Tools->Shared Libraries" I have my plugin bundle set to "Starting Level: All" and the default level for User Libraries set to "All" (I also verified the bundle path is pointing to my debug build).

My build settings for the Debug config are as follow (Debug config, All Settings, filtered on the word "debug"):
BUILD_VARIANTS = normal
DEBUG_INFORMATION_FORMAT = dwarf
ZERO_LINK = NO
SECTORDER_FLAGS =
DEAD_CODE_STRIPPING = NO
ONLY_LINK_ESSENTIAL_SYMBOLS = NO
STRIP_STYLE = all
COPY_PHASE_STRIP = NO
GCC_GENERATE_DEBUGGING_SYMBOLS = YES
GCC_DEBUGGING_SYMBOLS = full
GCC_ENABLE_SYMBOL_SEPARATION = YES
GCC_OPTIMIZATION_LEVEL = 0
GCC_ENABLE_FIX_AND_CONTINUE = NO
REZ_SHOW_DEBUG_OUTPUT = NO
These settings are identical to the settings I use for debugging our application and that works fine.
Launch the debugger, load the plugin, no breakpoints fired.
(gdb) info break
Num Type           Disp Enb Address    What
1   breakpoint     keep y   <PENDING>  "DxDataBuilder.cpp:145
2   breakpoint     keep y   <PENDING>  "CxDate.cpp:94
3   breakpoint     keep y   <PENDING>  "MacFxPlugin.cpp:195
4   breakpoint     keep y   <PENDING>  "MacFxPlugin.cpp:195
5   breakpoint     keep y   <PENDING>  "MacFxPlugin.cpp:198
6   breakpoint     keep y   <PENDING>  "ScopePlugin.cpp:882
7   breakpoint     keep y   <PENDING>  "ScopePlugin.cpp:883
8   breakpoint     keep y   <PENDING>  "ScopePlugin.cpp:884
9   breakpoint     keep y   <PENDING>  "PluginApi.cpp:20
10  breakpoint     keep y   <PENDING>  "PluginApi.cpp:56
11  breakpoint     keep y   <PENDING>  "PluginApi.cpp:71
12  breakpoint     keep y   <PENDING>  "PluginApi.cpp:81
It's not finding them.  So, what am I doing wrong here?
Justin
--
Justin Greenfield
email@hidden
Senior Software Engineer
Oklahoma Climatological Survey - Software Development Group
http://sdg.ocs.ou.edu
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References:  
  >Breakpoints in a plugin (From: Justin Greenfield <email@hidden>)




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