Hello world

.gitignore

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+build/

LICENSE

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+           DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                   Version 2, December 2004
+
+Copyright (C) 2023 Ruben Sørensen
+
+Everyone is permitted to copy and distribute verbatim or modified
+copies of this license document, and changing it is allowed as long
+as the name is changed.
+
+           DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+  TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. You just DO WHAT THE FUCK YOU WANT TO.

README.md

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+# brasm
+
+**[Brainfuck](https://en.wikipedia.org/wiki/Brainfuck#:~:text=Brainfuck%20is%20an%20esoteric%20programming,Esoteric%2C%20imperative%2C%20structured)** compiler written in x86_64 assembly
+
+## Quick start
+
+```console
+make
+./build/brasm
+```

br.asm

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+section .rodata
+    msg db 'Hello, world!',0xa  ; Hello world string
+    len equ $ - msg             ; Length of string
+
+section .text
+    global _start               ; Export _start, our entrypoint
+
+_start:                         ; Entry point
+    mov eax, 4                  ; sys_write
+    mov ebx, 1                  ; file descriptor (stdout)
+    mov ecx, msg                ; message to write
+    mov edx, len                ; message length
+    int 0x80                    ; call kernel
+
+    mov eax, 1                  ; sys_exit
+    xor ebx, ebx                ; process' exit code
+    int 0x80                    ; call kernel

makefile

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+default: build/brasm
+
+build/:
+	mkdir -p build/
+
+build/brasm.o: build/ br.asm
+	nasm -f elf64 br.asm -o build/brasm.o
+
+build/brasm: build/brasm.o
+	ld -m elf_x86_64 -s -nostdlib -N build/brasm.o -o build/brasm
+
+.PHONY: clean
+clean:
+	rm -rf build