Thanks! That's pretty cool, and very comprehensive. --Graham
On 03/12/2009, at 12:21 PM, Greg Parker wrote: > That's the offset in bytes of the CPU instruction in that function - the > crashing instruction in the top frame, and the instruction after the call in > the other frames. > > You can recover the line number if you have the binary and dSYM file that > match the version from the crash. > > (The values below are all fake.) > > 1. Find the binary's UUID in the Binary Images section of the crash log. > Binary Images: > 0x1000 - 0x1ff7 +com.apptree.drawkit ??? (???) > <A84E261F-B98E-8ECD-3A40-24C65353BE3E> > /path/to/DrawKit.framework/Contents/MacOS/DrawKit > > 2. Find the binary for the version with that UUID. > % dwarfdump -u /path/to/DrawKit.framework > UUID: D0358F4B-FCBB-321A-5F9E-E4C36C20ADE9 (x86_64) > /path/to/DrawKit.framework/Contents/MacOS/DrawKit > UUID: A84E261F-B98E-8ECD-3A40-24C65353BE3E (i386) > /path/to/DrawKit.framework/Contents/MacOS/DrawKit > > 3. Find the dSYM file with that UUID. A Spotlight search for the UUID may > work. > % dwarfdump -u /path/to/DrawKit.framework.dSYM > UUID: D0358F4B-FCBB-321A-5F9E-E4C36C20ADE9 (x86_64) > /path/to/DrawKit.framework.dSYM/Contents/Resources/DWARF/DrawKit > UUID: A84E261F-B98E-8ECD-3A40-24C65353BE3E (i386) > /path/to/DrawKit.framework.dSYM/Contents/Resources/DWARF/DrawKit > > 4. Run gdb with that architecture, binary, and dSYM. > % gdb -arch i386 /path/to/DrawKit.framework > (gdb) add-dsym /path/to/DrawKit.framework.dSYM > > 5. Ask gdb for the line number for that function+offset. (Note the actual > address may not match the one in the crash log.) > (gdb) x/i '-[DKDrawableObject encodeWithCoder:]' + 71 > 0x4bb9 <-[DKDrawableObject encodeWithCoder:]+71> ... > (gdb) info line *0x4bb9 > Line 55 of "DKDrawableObject.m" starts at address 0x4bb9 > <-[DKDrawableObject encodeWithCoder:]+71> and ends at 0x4bc9 > <-[DKDrawableObject encodeWithCoder:]+87> > > > -- > Greg Parker gpar...@apple.com Runtime Wrangler > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
