Cygwin 调试错误。
我有一个 Windows 内置的可执行文件。 我想将该 .exe 传递到由 Cygwin（DOS 版本）构建的输出文件。 到目前为止一切进展顺利，之后显示与 Cygwin dll 文件相关的以下错误（ACL 检查）。
Program received signal SIGSEGV, Segmentation fault.
0x6108829e in cygwin1!aclcheck () from /usr/bin/cygwin1.dll
(gdb)
为什么我会收到此错误？我应该在哪里查看？
I have an executable built in Windows. I want to pass that .exe to an output file built by Cygwin (DOS version). It is going well up to a point, after which it is showing the following error related to Cygwin dll files (ACL check) .
Program received signal SIGSEGV, Segmentation fault.
0x6108829e in cygwin1!aclcheck () from /usr/bin/cygwin1.dll
(gdb)
Why am I getting this error and where should I look?
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检查你的代码。 由于您已经在使用 gdb，所以
bt full将是您的朋友。 您可能传递了错误的参数，例如指向某些系统调用的无效指针。段错误本身很可能不是发生在
aclcheck处的。 Cygwin DLL 通常不附带内置的调试符号。gdb 从指令指针向后工作并获取先前看到的符号。 在非调试版本中，只有导出函数的符号。Check your code. Since you're already using gdb,
bt fullshall be your friend. You're possibly passing bad parameters such as invalid pointers to some system call.It's likely it's not
aclcheckwhere the segfault itself occurs. Cygwin DLLs are normally not shipped with debugging symbols built in. gdb works backwards from the instruction pointer and takes the previous symbol seen. In non-debug builds there are only symbols of exported functions.