> > Stick with it, it's really not that hard. Open tccgen.c and start reading > from bottom to top. You want to be equipped with an editor/GUI that > provides quick jumping to definitions of functions you happen to come > across while reading. > > You have to keep in mind that TCC is a single pass compiler that generates > code during parsing, which influences various ways of doing things, but in > a way it also simplifies TCCs data structures: there's not much internal > state except the symbol table (split between the ELF symbol table and the > TCC one), the expression stack, the symbol unwind stack (for scopes) and > the implicit function call stack for parsing the various recursive C > constructs. > > Also, to understand the inner workings of stuff it helps to see the thing > in action under control of a debugger, so choose a short C file and see > what TCC does with it while compiling. > > Of course, TCC also contains the preprocessor (tccpp.c) and ELF linker > (tccelf.c), but they're all controlled from and called by routines in > tccgen.c. (As is the various architecture backends in e.g. x86_64-gen.c). >
Great, thanks! I'll try to update the doc as I learn. In my opinion, it's fairly minimal. Kind regards, Stefanos _______________________________________________ Tinycc-devel mailing list Tinycc-devel@nongnu.org https://lists.nongnu.org/mailman/listinfo/tinycc-devel
