Hello Joel, tcc_add_file() probably won't work for what you're trying to use it for. The simplest way I can think to fix this problem is to #include the file that contains the struct declaration.
Hope that helps! David On Sun, Nov 6, 2016 at 11:23 AM, Joel Bodenmann <[email protected]> wrote: > Hello folks, > > I am successfully using libtcc to compile & link single C functions > on-the-fly. Everything works great for those small C functions which don't > do anything other than calling other functions which are already part of > the > program that uses libtcc. I simply use tcc_add_symbol() to make those > functions become available to the compiled function. > However, now I am facing issues when I try to compile C code that creates > an > instance of a struct. For example, I try to compile a C program that > creates > an instance of a struct named foo: > > struct foo f; > > the struct "foo" is part of the already compiled program (the program that > uses libtcc to compile that smaller C program). The problem is that > compiling using tcc_compile_string() fails with the error message: "error: > unknown type size" at exactly that line. I understand that the compiler has > to know the declaration of the struct foo in order to work with it, > however, > I fail to understand how I give TCC access to that struct declaration? I > tried using supplying the header file that contains the declaration of the > struct foo to TCC using tcc_add_file() but that didn't change anything at > all. > > I'm a bit lost at this point and I'd be thankful for any kind of help. > Please excuse if I am using wrong terminology somewhere. > > > Best regards, > ~ Joel > > > > _______________________________________________ > Tinycc-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/tinycc-devel > -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." -- Brian Kernighan
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