In the file selection dialog, set the Workspace name in the Save As: field to debugyprime.Select the folder in which you would like to store the workspace, for example, in UsersSharedwork.
Run Matlab Executables Full Path UsersSharedworkYou can do this by navigating to the folder, or press the CommandShiftG keyboard shortcut to toggle the Go to the folder: menu and type the full path UsersSharedwork.Run Matlab Executables Code Workspace AddThen click Save. Add yprime Files to the Xcode Workspace Add the yprime.c file to the workspace by dragging it from the UsersSharedwork folder in the Finder into the navigator column on the left side of the Xcode workspace window. Make sure to uncheck Destination option, Copy items into destination groups folder (if needed). Clearing this option enables breakpoints to be added to the file that MATLAB runs. Set Name to debug. Set Target to None. Press OK. The scheme editing dialog box opens. Press the CommandShiftG keyboard shortcut to toggle the Go to the folder: menu. Specify the full path to the MATLABmaci64 executable inside the MATLAB application bundle. An example of a full path is ApplicationsMATLABR2016b.appContentsMacOSMATLABmaci64. Click Close. Add a Symbolic Breakpoint Select Debug Breakpoints Create Symbolic Breakpoint. Click Add action to add the following debugger command (if the breakpoint editor pane disappears, right-click on the new breakpoint and select Edit Breakpoint to get back to it): process handle -p true -n false -s false SIGSEGV SIGBUS Check Automatically continue after evaluating. Set Breakpoints in your MEX file Select View Navigators Show Project Navigator Click on yprime.c in the navigator column Click the gutter next to the line where you want execution to pause, for example, at the first line in mexFunction() For more information, refer to the Xcode documentation. Start the Xcode Debugger In Xcode, select Product Run (or just click the Run button with the triangle icon near the top-left corner of the workspace window) to start the debugger. Wait for Xcode to display the message Waiting for MATLAB to launch at the top of the Workspace window. This action might take some seconds, especially the first time you use this procedure. Launch MATLAB Start the MATLAB executable from the Mac Terminal prompt (see ) or from the Finder, or if MATLAB is already running, right-click on the MATLAB icon in the Dock and select Open Additional Instance of MATLAB. Run the Binary MEX File in MATLAB In this new instance of MATLAB, change the current folder to the folder with the yprime files and run the binary MEX file: Run the binary MEX file. At this point you can step through your code, examine variables, etc., but for this exercise just select Continue from the Debug menu. The execution of yprime finishes and MATLAB displays: Press Continue. ![]() Related Question How to debug a MEX file on Microsoft Windows Platforms with Microsoft Visual Studio 2017 How to debug MEX-files in Eclipse (Mars) compiled with MinGW64 and the -g flag in MATLAB R2017b and newer How to compile S-functions from within Microsoft Visual Studio environment Do I get xcrun error SDK macosx10.13.4 cannot be located when using loadlibrary How to change the current GCCG version to a supported one How to call Cygwin command pipeline with the MATLAB system function How to debug a Fortran MEX file on Windows using Intel, Compaq, or Digial Visual Fortran compilers with Microsoft Visual Studio How to find all the variables of a given class in the MATLAB workspace How to build a C program using MATLAB Engine in Visual Studio Does MATLAB not recognize the Xcode 9 installation when running mex -setup.
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