GDB can't debug PPC on Intel
GDB can't debug PPC on Intel
- Subject: GDB can't debug PPC on Intel
- From: Brock Brandenberg <email@hidden>
- Date: Sat, 27 May 2006 16:52:11 -0500
I don't know where to start with this issue. In the progress of
watching GCD crash when trying to start debugging a PPC app on an
Intel MacBook Pro, it has managed to leave processes running that
don't show CPU usage in Activity Monitor, yet both CPU cores are
clearly going at about 60% each with the fans running on the machine.
The disk activity is high, and doing fs_usage reveals some "nmbd"
process writing to disk about 60 times a second. The "mds" process is
right behind it, trying to do it's SpotLight indexing. The only way
to stop the activity is a restart. WTF has happened to these
developer tools? XCode is the biggest time waster compared to good
old tools like CodeWarrior. From bringing in some hidden setting for
"G3" optimization that kept the app from running (the setting didn't
show in the "Customized Settings" in the build settings... I had to
show all and scroll to the bottom of the list to see the clearly
customized setting that was the culprit to the app not launching) to
XCode and GDB running some unidentifiable process that chew up CPU
usage and can't be stopped, these tools waste more time than they
save. Now I know why Adobe doesn't want to port apps to XCode...
Back to the inability to debug PPC on Intel. I have a Carbon app that
I'm trying to target to the 10.2.8 SDK, a OS 10.2 deployment target,
the PPC architecture and build with GCC 3.3. When running the
debugger, GDB exits with error 1 after the message "Architecture of
file not recognized." The app has no linked libraries other than
QuickTime and Carbon, and it builds and runs successfully from XCode
and the Finder. I've seen mention of the existence of architecture
settings for GDB in the mail list archives, but I haven't been able
to find such a thing. From a user experience, it seems the XCode
setting for architecture should be enough to make the tools work.
I've tried countless settings for target OS, SDK, etc. but nothing
works. And while I could build for Intel too, there are way too many
changes to make it Intel compatible and I need changes made to a PPC
build right now and CodeWarrior is unable to debug on Intel.
Any tips or clues from experience would be very much appreciated.
Thanks,
Brock Brandenberg
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