cleanup

build.sh

@@ -3,14 +3,10 @@ mkdir -p out
 
 dotnet run --project lang/Nub.Lang example out/out.qbe
 
-gcc -c -g -fno-stack-protector -fno-builtin std/baseline/gc.c -o out/gc.o
-nasm -g -felf64 std/baseline/str_cmp.asm -o out/str_cmp.o
-nasm -g -felf64 std/baseline/runtime.asm -o out/runtime.o
-
-nasm -g -felf64 std/core/str_len.asm -o out/str_len.o
-nasm -g -felf64 std/core/itoa.asm -o out/itoa.o
+gcc -c -g -fno-stack-protector -fno-builtin std/gc.c -o out/gc.o
+nasm -g -felf64 std/runtime.asm -o out/runtime.o
 
 qbe out/out.qbe > out/out.s
 gcc -c -g out/out.s -o out/out.o
 
-gcc -no-pie -nostartfiles -o out/program out/gc.o out/str_cmp.o out/str_len.o out/itoa.o out/runtime.o out/out.o
+gcc -no-pie -nostartfiles -o out/program out/gc.o out/runtime.o out/out.o

example/core/string.nub

@@ -1,2 +0,0 @@
-extern func str_len(msg: string): int64;
-extern func itoa(value: int64): string;

example/program.nub

@@ -1,4 +1,4 @@
-import "core";
+import "c";
 
 global func main() {
     let x = "test";

std/baseline/runtime.asm

@@ -1,10 +0,0 @@
-global _start
-extern main, gc_init
-
-section .text
-_start:
-    call gc_init
-    call main
-    mov rax, 60
-    mov rdi, 0
-    syscall

std/core/itoa.asm

@@ -1,23 +0,0 @@
-section .bss
-	buffer resb 20
-
-section .text
-	global itoa
-
-itoa:
-	mov rax, rdi
-	mov rsi, buffer + 19
-	mov byte [rsi], 0
-	dec rsi
-.loop:
-	xor rdx, rdx
-	mov rcx, 10
-	div rcx
-	add dl, '0'
-	mov [rsi], dl
-	dec rsi
-	test rax, rax
-	jnz .loop
-	inc rsi
-	mov rax, rsi
-	ret

std/core/str_len.asm

@@ -1,13 +0,0 @@
-global str_len
-
-section .text
-str_len:
-	xor rax, rax
-.loop:
-	cmp byte [rdi], 0
-	jz .done
-	inc rax
-	inc rdi
-	jmp .loop
-.done:
-	ret

std/runtime.asm

@@ -1,7 +1,18 @@
-global str_cmp
+global _start
+extern main, gc_init
 
 section .text
-str_cmp:
+_start:
+    call gc_init
+    call main
+    mov rax, 60
+    mov rdi, 0
+    syscall
+
+global base_str_cmp
+
+section .text
+base_str_cmp:
 	xor rdx, rdx
 .loop:
 	mov al, [rsi + rdx]