The process launches and then stops at the breakpoint, most likely in CoreFoundation`. ![]() On High Sierra, "it just works", as they say. (lldb) target create "/Applications/Underpass.app/Contents/MacOS/Underpass"Ĭurrent executable set to '/Applications/Underpass.app/Contents/MacOS/Underpass' (x86_64). Here's a sample of a debugging session in Terminal: $ lldb /Applications/Underpass.app/Contents/MacOS/Underpass We can confirm with codesign -d -entitlements - /Applications/Underpass.app that the -task-allow entitlement does not exist in the App Store version. To test, I tried debugging my own app Underpass installed from the Mac App Store. Apps won't have the entitlement if you didn't build them yourself, or if you exported them for distribution from Xcode. The situation has changed for apps that lack the -task-allow entitlement. You can see the -task-allow entitlement, which allows you to debug the app either in Xcode or with /usr/bin/lldb in Terminal. Examine the code signature of your built app: $ codesign -d -entitlements - MyApp.app There are indeed some changes to debugging on Mojave, and this blog post will describe what I've discovered so far.ĭebugging apps in your Xcode build folder has not changed on Mojave. In retrospect, it appears that the words were a bit premature - a leak, if you will - and "macOS now requires" referred to macOS 10.14 Mojave, still secret at the time, rather than macOS 10.13 High Sierra. The entitlement is stripped from apps distributed using the Organizer window.Īt the time, this note caused some confusion and anxiety. ![]() Xcode automatically injects this entitlement to your builds. The debugger on macOS now requires the entitlement -task-allow to attach to apps built for macOS or for iOS, tvOS or watchOS apps built for Simulator. The Xcode Release Notes miscategorized the feature under the "Server" section: ![]() In March, Xcode 9.3 shipped with a strange new feature. Debugging on Mojave Articles index Debugging on Mojave JBy Jeff Johnson
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