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POException Breakpoints - LLDB Results vs. GDB
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  1. POException Breakpoints - LLDB Results vs. GDB
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    copied!<p>I have searched for topics specifically to this question but have not found anything close to my experience. Forgive me if I have overlooked the answer. I am familiar with GDB and exception points, break points, etc... but the following test of debugging in GDB vs LDB left me without a plausible response.</p> <p><strong>Global Test Values</strong></p> <ul> <li>Xcode 4.2.1 </li> <li>New Single Window Project (Default template w/no changes)</li> <li>Arc Enabled</li> <li>Storyboard Enabled</li> </ul> <p><strong>Case 1 - GDB Debugger</strong></p> <p>Exception Breakpoint Values: </p> <ul> <li>Exception - All</li> <li>Break on - Throw</li> <li>Arguments - None</li> <li>Result - No Crash</li> </ul> <p><strong>Case 2 - LLDB Debugger</strong></p> <p>Exception Breakpoint Values: </p> <ul> <li>Exception - All</li> <li>Break on - Throw</li> <li>Arguments - None</li> <li>Result - Crash with Sigbart &amp; machine code; no discernible stack trace</li> </ul> <p><strong>Case 3 - LLDB Debugger</strong></p> <p>Exception Breakpoint Values: </p> <ul> <li>Exception - Objective-C</li> <li>Break on - Throw</li> <li>Arguments - None</li> <li>Result - No Crash</li> </ul> <p><strong>Case 4 - LLDB Debugger</strong></p> <p>Exception Breakpoint Values: </p> <ul> <li>Exception - C++</li> <li>Break on - Throw</li> <li>Arguments - None</li> <li>Result - Crash with Sigbart and machine code; no discernible stack trace</li> </ul> <p><strong>Question:</strong> Should I simply assume that selecting "Objective-C" as an Exception option is a safe way to go, or am I potentially ignoring a glaring issue? It is my understanding that as of Xcode 4.2.1, it is recommended I use LLDB and would like to. However, I am curious about the results above. </p> <p>Thanks in advance to all community responses! </p>
 

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