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>我在Xcode首选项中关闭了“Load Symbols Lazily”
>我的主动配置是Debug
>构建设置中的优化级别为0
>我已经清理所有目标并重建
>我使用构建和调试(而不是构建和运行)
我以为我可能无意中调整了我的项目的设置。所以我创建了一个新项目，那个也有同样的问题。
我希望我在这里遗漏一些容易的东西。我的调试器刚刚工作了几天，但突然间它已经停止了。
更新：
事情只是变得陌生了以下是答复的一些答案
>我在任何地方找不到“GCC 4.0 – 代码生成”选项。我在“目标”和“可执行信息”页面中都看到了高和低。我看到的唯一选择是选择编译器版本，并选择GCC 4.0，但这是一个没有其他选项的单行部分。
>关于放置断点的位置：现在我唯一的断点是在main()中，并没有被击中
>我正在启动调试器，运行 – >调试(/％Y)命令。还没有运气
更新2：
>将目标设置中的基本SDK更改为Sim 2.2.1。将活动SDK更改为Sim 2.2.1。
>现在我可以看到GCC 4.0代码生成选项 – 检查调试符号
>仍然没有打破断点
这里是控制台日志(在main.m的第一行设置断点)：
[Session started at 2009-03-06 21:29:19 -0600.] Loading program into debugger… GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008) Copyright 2004 Free Software Foundation,Inc. GDB is free software,covered by the GNU General Public License,and you are welcome to change it and/or diStribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin".warning: Unable to read symbols for "/System/Library/Frameworks/UIKit.framework/UIKit" (file not found). warning: Unable to read symbols from "UIKit" (not yet mapped into memory). warning: Unable to read symbols for "/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics" (file not found). warning: Unable to read symbols from "CoreGraphics" (not yet mapped into memory). Program loaded. sharedlibrary apply-load-rules all Attaching to program: `/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/753D12B3-777C-473B-B098-3E0AF6282545/TestApp.app/TestApp',process 577. Re-enabling shared library breakpoint 1
这里也是gdb日志：
t=0.000852 Tepoch=1236463545.631514 <- (gdb) -> 135-gdb-version # PBXGDB_MIGDBVersionCommand t=4.308986 Tepoch=1236463549.939648 -> 136-gdb-set auto-raise-load-levels 1 # PBXGDB_MISetAutoRaiseSymbols t=4.309420 Tepoch=1236463549.940082 -> 139-gdb-set env __CF_user_TEXT_ENCODING 0x0:0:0 # PBXGDB_MISetEnvCommand t=4.309702 Tepoch=1236463549.940364 -> 140-gdb-set env USERBREAK 1 # PBXGDB_MISetEnvCommand t=4.309935 Tepoch=1236463549.940598 -> 141-gdb-set env DYLD_FRAMEWORK_PATH /Projects/TestApp/build/Debug-iphonesimulator # PBXGDB_MISetEnvCommand t=4.310175 Tepoch=1236463549.940837 -> 142-gdb-set env Apple_PubSub_Socket_Render /tmp/launch-GqkpX5/Render # PBXGDB_MISetEnvCommand t=4.310568 Tepoch=1236463549.941231 -> 143-gdb-set env SecuritySESSIONID 715cd0 # PBXGDB_MISetEnvCommand t=4.310803 Tepoch=1236463549.941465 -> 144-gdb-set env DYLD_LIBRARY_PATH /Projects/TestApp/build/Debug-iphonesimulator # PBXGDB_MISetEnvCommand t=4.311040 Tepoch=1236463549.941702 -> 145-gdb-set env SSH_AUTH_SOCK /tmp/launch-hRgLzb/Listeners # PBXGDB_MISetEnvCommand t=4.311299 Tepoch=1236463549.941961 -> 146-gdb-set env HOME /var/root # PBXGDB_MISetEnvCommand t=4.311587 Tepoch=1236463549.942250 -> 147-gdb-set env SHelL /bin/sh # PBXGDB_MISetEnvCommand t=4.311818 Tepoch=1236463549.942480 -> 148-gdb-set env DYLD_NO_FIX_PREBINDING YES # PBXGDB_MISetEnvCommand t=4.312048 Tepoch=1236463549.942710 -> 149-gdb-set env COMMAND_MODE unix2003 # PBXGDB_MISetEnvCommand t=4.312281 Tepoch=1236463549.942943 -> 150-gdb-set env DYLD_NEW_LOCAL_SHARED_REGIONS YES # PBXGDB_MISetEnvCommand t=4.312546 Tepoch=1236463549.943209 -> 151-gdb-set env SSH_ASKPASS /Developer/Library/PrivateFrameworks/DevToolsInterface.framework/resources/Xcode SSHPassKey # PBXGDB_MISetEnvCommand t=4.312780 Tepoch=1236463549.943443 -> 152-gdb-set env PATH /Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin # PBXGDB_MISetEnvCommand t=4.313612 Tepoch=1236463549.944275 -> 153-gdb-set env DISPLAY /tmp/launch-yrv3vV/:0 # PBXGDB_MISetEnvCommand t=4.313849 Tepoch=1236463549.944512 -> 154-gdb-set env USER root # PBXGDB_MISetEnvCommand t=4.314141 Tepoch=1236463549.944803 -> 155-gdb-set env NSUnbufferedio YES # PBXGDB_MISetEnvCommand t=4.314377 Tepoch=1236463549.945039 # Enqueue seq in Command Q: <PBXGDB_SetupSharedLibrarySequence: 0x9049db0> t=4.314625 Tepoch=1236463549.945288 # ExecuTing Sequence: <PBXGDB_SetupSharedLibrarySequence: 0x9049db0> t=4.314718 Tepoch=1236463549.945380 -> 157-gdb-set inferior-auto-start-cfm off # PBXGDB_MISetLoadCFMInfoCommand t=4.314895 Tepoch=1236463549.945557 -> 156-gdb-set sharedLibrary load-rules dyld ".*Foundation.*" all dyld ".*libobjc.*" all dyld ".*libauto.*" all dyld ".*/usr/lib/dyld.*" all dyld ".*CFDataFormatters.*" all dyld ".*PBGDBIntrospectionSupport.*" all dyld ".*AppKit.*" all dyld ".*libSystem.*" all dyld ".*CarbonDataFormatters.*" all dyld ".*CoreFoundation.*" extern dyld "/System/Library/Frameworks\\\\|/System/Library/PrivateFrameworks\\\\|/usr/lib" extern dyld ".*" extern exec ".*" extern # PBXGDB_MISetSharedLibraryLoadSymbolsCommand t=4.315975 Tepoch=1236463549.946637 -> 137-file-exec-and-symbols "/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/09734C45-F595-4CB9-8707-744E92D66245/TestApp.app/TestApp" # PBXGDB_MILoadExecutableCommand t=4.320612 Tepoch=1236463549.951275 # Enqueue seq in Command Q: <PBXGDB_FixAndConTinueIsSupportedSequence: 0x9bdc260> t=4.321476 Tepoch=1236463549.952138 # Enqueue seq in Command Q: <PBXGDB_NewBreakpointSequence: 0xa516f90> t=4.321941 Tepoch=1236463549.952603 # Enqueue seq in Command Q: <PBXGDB_AttachControlSequence: 0xa4fceb0> t=4.322157 Tepoch=1236463549.952820 <- ~"GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008)\n" <- ~"Copyright 2004 Free Software Foundation,Inc.\n" <- ~"GDB is free software,and you are\nwelcome to change it and/or diStribute copies of it under certain conditions.\nType \"show copying\" to see the conditions.\nThere is absolutely no warranty for GDB. Type \"show warranty\" for details.\n" <- ~"This GDB was configured as \"i386-apple-darwin\"." <- 135^done,version="6.3.50-20050815 (Apple version gdb-962)",rc_version="962",target="i386-apple-darwin",build-date="Sat Jul 26 08:14:40 UTC 2008",time={wallclock="0.03311",user="0.00081",system="0.00014",start="1236463549.989179",end="1236463550.022291"} # processing result t=4.392345 Tepoch=1236463550.023007 <- (gdb) <- 136^done,time={wallclock="0.00005",user="0.00005",system="0.00001",start="1236463550.024272",end="1236463550.024325"} # processing result t=4.394163 Tepoch=1236463550.024826 <- (gdb) <- 139^done,time={wallclock="0.00007",system="0.00002",start="1236463550.025511",end="1236463550.025581"} # processing result t=4.395347 Tepoch=1236463550.026010 <- (gdb) <- 140^done,time={wallclock="0.00003",user="0.00003",start="1236463550.026564",end="1236463550.026597"} # processing result t=4.396328 Tepoch=1236463550.026991 <- (gdb) <- 141^done,start="1236463550.027857",end="1236463550.027890"} # processing result t=4.397653 Tepoch=1236463550.028315 <- (gdb) <- 142^done,start="1236463550.029080",end="1236463550.029113"} # processing result t=4.398865 Tepoch=1236463550.029528 <- (gdb) <- 143^done,start="1236463550.030126",end="1236463550.030159"} # processing result t=4.399923 Tepoch=1236463550.030585 <- (gdb) <- 144^done,start="1236463550.031449",end="1236463550.031482"} # processing result t=4.401855 Tepoch=1236463550.032518 <- (gdb) <- 145^done,start="1236463550.033257",end="1236463550.033291"} # processing result t=4.403022 Tepoch=1236463550.033685 <- (gdb) <- 146^done,time={wallclock="0.00006",start="1236463550.034226",end="1236463550.034287"} # processing result t=4.404018 Tepoch=1236463550.034680 <- (gdb) <- 147^done,start="1236463550.035215",end="1236463550.035247"} # processing result t=4.405007 Tepoch=1236463550.035670 <- (gdb) <- 148^done,start="1236463550.036306",end="1236463550.036340"} # processing result t=4.406068 Tepoch=1236463550.036731 <- (gdb) <- 149^done,start="1236463550.037344",end="1236463550.037377"} # processing result t=4.407107 Tepoch=1236463550.037770 <- (gdb) <- 150^done,start="1236463550.038448",end="1236463550.038483"} # processing result t=4.408214 Tepoch=1236463550.038876 <- (gdb) <- 151^done,start="1236463550.040541",end="1236463550.040576"} # processing result t=4.410438 Tepoch=1236463550.041101 <- (gdb) <- 152^done,start="1236463550.041901",end="1236463550.041933"} # processing result t=4.411665 Tepoch=1236463550.042327 <- (gdb) <- 153^done,start="1236463550.042984",end="1236463550.043016"} # processing result t=4.412784 Tepoch=1236463550.043446 <- (gdb) <- 154^done,user="0.00002",start="1236463550.043956",end="1236463550.043988"} # processing result t=4.413717 Tepoch=1236463550.044379 <- (gdb) <- 155^done,start="1236463550.044974",end="1236463550.045007"} # processing result t=4.414737 Tepoch=1236463550.045400 <- (gdb) <- 157^done,start="1236463550.046108",end="1236463550.046141"} # processing result t=4.415931 Tepoch=1236463550.046594 <- (gdb) <- 156^done,start="1236463550.050271",end="1236463550.050324"} # processing result t=4.420235 Tepoch=1236463550.050897 -> 158sharedlibrary apply-load-rules all # PBXGDB_MISharedLibraryApplyLoadRulesCommand t=4.420386 Tepoch=1236463550.051049 <- (gdb) <- &"warning: Unable to read symbols for \"/System/Library/Frameworks/UIKit.framework/UIKit\" (file not found).\n" <- &"warning: Unable to read symbols from \"UIKit\" (not yet mapped into memory).\n" <- &"warning: Unable to read symbols for \"/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics\" (file not found).\n" <- &"warning: Unable to read symbols from \"CoreGraphics\" (not yet mapped into memory).\n" <- 137^done,time={wallclock="0.34917",user="0.17115",system="0.11409",start="1236463550.052577",end="1236463550.401747"} # processing result t=4.771918 Tepoch=1236463550.402580 <- (gdb) <- &"sharedlibrary apply-load-rules all\n" <- 158^done # processing result t=4.820019 Tepoch=1236463550.450681 # didFinish Sequence: <PBXGDB_SetupSharedLibrarySequence: 0x9049db0> t=4.820135 Tepoch=1236463550.450797 # ExecuTing Sequence: <PBXGDB_FixAndConTinueIsSupportedSequence: 0x9bdc260> t=4.820259 Tepoch=1236463550.450921 -> 159-mi-verify-command file-fix-file-is-grooved # PBXGDB_MIVerifyCommandCommand t=4.820398 Tepoch=1236463550.451060 <- (gdb) <- 159^done,name="file-fix-file-is-grooved",defined="true",implemented="true",time={wallclock="0.00011",user="0.00007",start="1236463550.451848",end="1236463550.451955"} # processing result t=4.821746 Tepoch=1236463550.452409 -> 160-file-fix-file-is-grooved # PBXGDB_MIFixAndConTinueSupportedCommand t=4.821894 Tepoch=1236463550.452556 <- (gdb) <- 160^done,supported="1",details="Yes grooved!",start="1236463550.453356",end="1236463550.453417"} # processing result t=4.823203 Tepoch=1236463550.453865 # didFinish Sequence: <PBXGDB_FixAndConTinueIsSupportedSequence: 0x9bdc260> t=4.823344 Tepoch=1236463550.454006 # ExecuTing Sequence: <PBXGDB_NewBreakpointSequence: 0xa516f90> t=4.823433 Tepoch=1236463550.454095 # Passed verification of state before break create command t=4.823569 Tepoch=1236463550.454231 -> 161-break-insert -l -1 -f -s "TestApp" "\"main.m:13\"" # PBXGDB_MICreateFileBreakpointCommand t=4.823679 Tepoch=1236463550.454342 <- (gdb) <- =shlib-state-modified,shlib-info=[num="1",name="TestApp",kind="-",dyld-addr="-",reason="exec",requested-state="Y",state="Y",path="/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/09734C45-F595-4CB9-8707-744E92D66245/TestApp.app/TestApp",description="/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/09734C45-F595-4CB9-8707-744E92D66245/TestApp.app/TestApp",loaded_addr="",slide="0x0",prefix="",dsym-objpath="/Projects/TestApp/build/Debug-iphonesimulator/TestApp.app.dSym/Contents/resources/DWARF/TestApp"] <- 161^done,bkpt={number="1",type="breakpoint",disp="keep",enabled="y",addr="0x000028cf",func="main",file="/Projects/TestApp/main.m",line="13",shlib="/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/09734C45-F595-4CB9-8707-744E92D66245/TestApp.app/TestApp",times="0"},time={wallclock="0.15835",user="0.00321",system="0.00184",start="1236463550.455187",end="1236463550.613542"} # processing result t=4.996437 Tepoch=1236463550.627100 # didFinish Sequence: <PBXGDB_NewBreakpointSequence: 0xa516f90> t=4.996599 Tepoch=1236463550.627262 # ExecuTing Sequence: <PBXGDB_AttachControlSequence: 0xa4fceb0> t=4.996690 Tepoch=1236463550.627352 -> 162-mi-verify-command target-attach # PBXGDB_MIVerifyCommandCommand t=4.996824 Tepoch=1236463550.627486 <- (gdb) <- 162^done,name="target-attach",user="0.00006",start="1236463550.627975",end="1236463550.628046"} # processing result t=4.998137 Tepoch=1236463550.628799 -> 163-target-attach 288 # PBXGDB_MIAttachCommand t=4.998293 Tepoch=1236463550.628955 <- (gdb) <- ~"Attaching to program: `/private/var/root/Library/Application Support/iPhone Simulator/User/Applications/09734C45-F595-4CB9-8707-744E92D66245/TestApp.app/TestApp',process 288.\n" <- ~"Re-enabling shared library breakpoint 1\n" <- =shlibs-updated <- 163^done,thread-id="1",time={wallclock="0.00362",user="0.00151",system="0.00203",start="1236463550.629436",end="1236463550.633055"} # processing result t=5.010455 Tepoch=1236463550.641117 # Enqueue seq in Command Q: <PBXGDB_ThreadListSequence: 0xa4e0520> t=5.011284 Tepoch=1236463550.641946 -> 164-exec-conTinue # PBXGDB_MIConTinueExecutableCommand t=5.011420 Tepoch=1236463550.642082 <- (gdb) <- 164^running # processing result t=5.070065 Tepoch=1236463550.700727 # didFinish Sequence: <PBXGDB_AttachControlSequence: 0xa4fceb0> t=5.071843 Tepoch=1236463550.702505 <- (gdb)
如果Active SDK与目标的Base SDK不同步，那么这是3.1.1和3.1.2中的Xcode错误。将Target的Base SDK设置为Simulator，确保Active SDK是Simulator，然后重试。
如果您真的想要这个回答，您将不得不发布有关您的项目的更多信息：构建设置的屏幕截图或调试器控制台中的文本。
更新：
另请注意在Xcode>首选项>调试：
alt text http://idisk.mac.com/cdespinosa/Public/GDB%20Log.png
选中该框，在路径字段中输入一个合理的路径，尝试您的调试方案，然后在http://bugreporter.apple.com附上一个错误，并附上日志和您的场景描述，或者通过xcode-users@lists.apple询问好人。 COM。 gdb日志包含有关调试器如何与应用程序交互的所有信息。
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