How to view the disassembly in Code::Blocks?

Question

I read this article about some low level underpinnings of C/C++, and the author is basically showing us through the assembly code generated by the compiler, line by line. He is using VS 2010, but I don't, I use Code::Blocks. How do I view the disassembly there? When I go to debugger, and click disassembly, it shows me a blank window...

This is the C++ (.cpp) code (the whole code) I compiled:

int main()
{
    int x = 1;
    int y = 2;
    int z = 0;

    z = x + y;

    return 0;
}

Solution 1

The kind of disassembly that the author shows in the article is called inter-leaved disassembly ( C and disassembly interleaved ) which a few IDEs like Visual Studio support. Code Blocks does not support. But Code Blocks has a separate disassembly window like this

Select a source line. Right Click. Say Run to Cursor. Now Debug->Debugging Windows->Disassembly. Instead of Run to cursor you can also set break points and then do this. But somehow it wasn't going well with mine, so I am suggesting Run to Cursor method.

Hope it helps.

Solution 2

This is a new answer to an old post. The other answer is completely on topic, but makes one outdated statement: "Code Blocks does not support_",... inter-leaved disassembly ( C and disassembly interleaved ).

This is no longer true. Newer versions of Code::Blocks have updated that feature.

Using Code::Blocks version 17.12 with gcc (tdm-1) version 5.1.0 and the OP code

And following the instructions:

• In the Code::Blocks editor, right-click on the line of interest in the source file, and from the resulting context menu select Run to cursor. For this illustration the closing bracket } for the main function was right clicked.

• Then, from title bar menu select Debug->Debugging Windows->Disassembly. This results in a popup showing assembly interleaved with source code:

• This results in the following image clearly showing that the C source and assembly code are interleaved: