I'm trying to debug a mex function in VS Code with MINGW 8.1 and MATLAB R2025a on Windows. I followed the directions in this blog post: https://blogs.mathworks.com/developer/2018/06/19/mex-debugging-vscode. But VS Code refuses to load the symbols and detect the break point. I tried this procedure in several different MATLAB versions, and I believe the difference is related to the `gdb` version that's included with MINGW and how it interacts with VS Code. Using MATLAB R2023b, I can successfully debug a mex function using MINGW 6.3, but the procedure no longer works when using MINGW 8.1. Both MINGW 6.3 and 8.1 are supported by this version of MATLAB. https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/support/sysreq/files/system-requirements-release-2023b-supported-compilers.pdf Using MATLAB R2025a, I cannot debug a mex function using MINGW 8.1 through VS Code. The debugging symbols do not appear to load. I tried the troubleshooting steps below. I verified that I attached to the right PID by using Process Explorer to verify the mex function was loaded under that PID. I double-checked that I called mex with the `-g` option. I ran `gdb` from the command prompt, and I was able to attach to the process, set a breakpoint, and stop when calling the mex function. So the symbols are definitely in the dll. I tried both my mex function, and the 'explore.c' example included with MATLAB. I get the same results for both cases. I tried a stand-alone installation of MINGW 8.1, and a copy of MINGW 8.1 installed as a MATLAB add-on. Using MATLAB R2025a, I can compile the mex function using MINGW 8.1, and successfully debug using MINGW 6.3. I can also debug successfully using MINGW 15.1. While there are other workarounds, I'm hoping for a solution entirely within the MATLAB MINGW addon.

Is it possible to debug a mex function in VS Code with MINGW 8.1?

조회 수: 4 (최근 30일)

btmy87 2025년 7월 30일

1
링크

이 질문에 대한 바로 가기 링크

https://kr.mathworks.com/matlabcentral/answers/2178871-is-it-possible-to-debug-a-mex-function-in-vs-code-with-mingw-8-1

댓글: Daewon 2025년 9월 17일

I'm trying to debug a mex function in VS Code with MINGW 8.1 and MATLAB R2025a on Windows. I followed the directions in this blog post: https://blogs.mathworks.com/developer/2018/06/19/mex-debugging-vscode. But VS Code refuses to load the symbols and detect the break point. I tried this procedure in several different MATLAB versions, and I believe the difference is related to the `gdb` version that's included with MINGW and how it interacts with VS Code.

Using MATLAB R2023b, I can successfully debug a mex function using MINGW 6.3, but the procedure no longer works when using MINGW 8.1. Both MINGW 6.3 and 8.1 are supported by this version of MATLAB. https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/support/sysreq/files/system-requirements-release-2023b-supported-compilers.pdf
Using MATLAB R2025a, I cannot debug a mex function using MINGW 8.1 through VS Code. The debugging symbols do not appear to load. I tried the troubleshooting steps below.
I verified that I attached to the right PID by using Process Explorer to verify the mex function was loaded under that PID.
I double-checked that I called mex with the `-g` option.
I ran `gdb` from the command prompt, and I was able to attach to the process, set a breakpoint, and stop when calling the mex function. So the symbols are definitely in the dll.
I tried both my mex function, and the 'explore.c' example included with MATLAB. I get the same results for both cases.
I tried a stand-alone installation of MINGW 8.1, and a copy of MINGW 8.1 installed as a MATLAB add-on.
Using MATLAB R2025a, I can compile the mex function using MINGW 8.1, and successfully debug using MINGW 6.3. I can also debug successfully using MINGW 15.1.

While there are other workarounds, I'm hoping for a solution entirely within the MATLAB MINGW addon.

댓글 수: 3
이전 댓글 1개 표시이전 댓글 1개 숨기기

btmy87 2025년 8월 5일

No issues debugging in Visual Studio directly, or when using MSVC compilers and VS Code. I'm trying to get this to work on a system that only has MINGW 8.1 installed as a MATLAB Add On.