Hi, On Tue, Jun 10, 2025 at 03:43:41PM +0530, Sagar Acharya wrote: > scc is amazing, like all other compiler recommendations from suckless.
Thank you! > > Can you help with making a linear RV32I code from C code? I think it should > be very similar to arm. Currently, jump instructions have different notation > in ganyantra like loop is not detected, etc. > Due to the collaboration between scc and qbe, the arm64, amd64 and riscv64 ports are implemented using qbe, that does all the instruction selection work. Sadly, qbe has strong design decisions tied to 64 bit architecturesthat make hard (in the current state) to create ports for 32 bits (or my main interest, z80, a 8 bit processor xD). What is easy in scc is to implment the riscv32 assembler. I have code to support coff32 and I cover elf partially (in fact, I have pending patches for elf in my local workcopy, but I have to finish the wchar.h work before continuing with elf). > I am unable to understand how linking and loading happens as they seem board > specific. If you need help, I can help you with it. For me, the best doc to understand linkers and loading process was "Linkers and loaders". You can find a early version of it in [1], but I recomend you to buy it. > Update: bitgen.sh can now help with generating a final binary file that is to > be written on flash. Fixed minor bugs. Nice! The problem with assemblers come when you take in consideration relocations, and then you have to go with binary formats and it increases the complexity a lot. Just send me a email if you need some help to understand these topics. Regards, [1] http://www.staroceans.org/e-book/LinkersAndLoaders.pdf
