Iphone debugging question
Iphone debugging question
- Subject: Iphone debugging question
- From: Brad Cox <email@hidden>
- Date: Sun, 09 Aug 2009 15:19:19 -0400
- Thread-topic: Iphone debugging question
Title: Iphone debugging question
My app started
crashing during startup before any breakpoints in my code take hold. I’ve set a gdb breakpoint on setValue:forUndefinedKey and that is firing. But I haven’t found the right incantation to make gdb tell me what key isn’t being found or anything of any use really. Can someone help?
The gdb output around the break point is belo. <--- marks the line
0x305bdcb0 <+0000> push ëp
0x305bdcb1 <+0001> mov %esp,ëp
0x305bdcb3 <+0003> push íi
0x305bdcb4 <+0004> push %esi
0x305bdcb5 <+0005> push ëx
0x305bdcb6 <+0006> sub $0x3c,%esp <--- breaks here --->
0x305bdcb9 <+0009> call 0x305bdcbe <-[NSObject(NSKeyValueCoding) setValue:forUndefinedKey:]+14>
0x305bdcbe <+0014> pop ëx
0x305bdcbf <+0015> mov 0x8(ëp),íi
0x305bdcc2 <+0018> mov 0x14(ëp),%esi
0x305bdcc5 <+0021> mov íi,(%esp)
0x305bdcc8 <+0024> call 0x30505dc0 <NSClassFromObject>
0x305bdccd <+0029> mov %esi,0x14(%esp)
0x305bdcd1 <+0033> mov íi,0x10(%esp)
0x305bdcd5 <+0037> mov êx,0xc(%esp)
0x305bdcd9 <+0041> lea 0xc706e(ëx),êx
0x305bdcdf <+0047> mov êx,0x8(%esp)
0x305bdce3 <+0051> mov 0xd0732(ëx),êx
0x305bdce9 <+0057> mov êx,0x4(%esp)
0x305bdced <+0061> mov 0xd212a(ëx),êx
0x305bdcf3 <+0067> mov êx,(%esp)
0x305bdcf6 <+0070> call 0x306af856 <dyld_stub_objc_msgSend>
0x305bdcfb <+0075> mov êx,-0x20(ëp)
0x305bdcfe <+0078> mov 0xd0602(ëx),êx
0x305bdd04 <+0084> mov êx,0x4(%esp)
0x305bdd08 <+0088> mov 0xd215a(ëx),êx
0x305bdd0e <+0094> mov êx,(%esp)
0x305bdd11 <+0097> call 0x306af856 <dyld_stub_objc_msgSend>
0x305bdd16 <+0102> mov êx,-0x1c(ëp)
0x305bdd19 <+0105> mov %esi,íx
0x305bdd1b <+0107> test %esi,%esi
0x305bdd1d <+0109> je 0x305bddb7 <-[NSObject(NSKeyValueCoding) setValue:forUndefinedKey:]+263>
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