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casm/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(casm)
+
+enable_language(ASM_NASM)
+
+set(CMAKE_ASM_NASM_FLAGS "-gdwarf -f elf64")
+
+add_executable(casm asm.asm c.c)

casm/asm.asm

@@ -0,0 +1,7 @@
+global main
+
+section .text
+main:
+    mov rdi, 0 
+    mov rax, 60
+    syscall

casm/c.c

@@ -0,0 +1,3 @@
+int sum(int a, int b) {
+    return a+b;
+}