Xcode Guard Malloc 和设备调试：找不到“libgmalloc.dylib”图像
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Xcode Guard Malloc and on Device Debugging: 'libgmalloc.dylib' image not found
提问by jww
I enabled memory checking in Xcode (Edit Scheme -> Options). I'm now getting the following when I perform on device debugging: dyld: could not load inserted library '/usr/lib/libgmalloc.dylib' because image not found. The measure was taken proactively in hopes of catching mistakes early in the cycle.
我在 Xcode 中启用了内存检查（编辑方案 -> 选项）。现在我就在下面当我在设备调试完成：dyld: could not load inserted library '/usr/lib/libgmalloc.dylib' because image not found。该措施是主动采取的，希望能在周期早期发现错误。
Is memory checking not valid on a device? It appears its valid since it was acknowledged and investigated according to http://lists.apple.com/archives/xcode-users/2012/Mar/msg00271.html. Also, Xcode had no complaints during compile and link. If its not valid for a device, why is Xcode inserting the library? Are there any solutions? Googling returned a few hits, but I did not see any concrete solutions.
内存检查在设备上无效吗？它似乎是有效的，因为它根据http://lists.apple.com/archives/xcode-users/2012/Mar/msg00271.html得到确认和调查。此外，Xcode 在编译和链接过程中没有任何抱怨。如果它对设备无效，为什么 Xcode 插入库？有什么解决办法吗？谷歌搜索返回了一些点击，但我没有看到任何具体的解决方案。
How does one enable Xcode Guard Malloc when debugging on a device?
在设备上调试时如何启用 Xcode Guard Malloc？
回答by Amit Singh
You can't use GuardMalloc on the device.
您不能在设备上使用 GuardMalloc。
回答by jww
To work around, I created two new Xcode schemes. One is named 'XXX Device' and does not include the malloc guards; the second is 'XXX Simulator' and does include the malloc guards.
为了解决这个问题，我创建了两个新的 Xcode 方案。一个名为“XXX Device”，不包括 malloc 保护；第二个是“XXX Simulator”并且包含 malloc 守卫。
Adding a scheme for device/simulator purposes is questionable (http://www.cocoabuilder.com/archive/xcode/303307-why-does-xcode-create-nonsensical-destinations-in-every-scheme.html). Apparently, Dave Duncan has not encountered an issue where Xcode does not do something correctly (or he does not use tools such as malloc guards).
添加用于设备/模拟器目的的方案是有问题的（http://www.cocoabuilder.com/archive/xcode/303307-why-does-xcode-create-nonsensical-destinations-in-every-scheme.html）。显然，Dave Duncan 没有遇到 Xcode 没有正确执行某些操作的问题（或者他没有使用 malloc 守卫等工具）。
This reeks of Cupertino software junk. +1 to Apple and its crappy QA department (if it exists) which let another bug fly free.
这是库比蒂诺软件垃圾的恶臭。+1 给 Apple 及其蹩脚的 QA 部门（如果存在），这让另一个错误自由飞翔。
回答by kgaidis
As others answered, you can notuse Enable Guard Mallocon device, but you can use it on simulator.
正如其他人回答的那样，您不能Enable Guard Malloc在设备上使用，但可以在模拟器上使用它。
All 3 other memory management options, as of Xcode 7.3.1, canbe used on device: Enable Malloc Scribble, Enable Malloc Guard Edgesand Enable Zombie Objects.
从 Xcode 7.3.1 开始，所有其他 3 个内存管理选项都可以在设备上使用：Enable Malloc Scribble、Enable Malloc Guard Edges和Enable Zombie Objects。
回答by Ankish Jain
Rebooting device fixed it. iOS hasn't updated. Really bad !
重新启动设备修复了它。iOS 没有更新。特别糟糕 ！
