code initial commit

3 files changed, 20 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a61ce72
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+cat
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..a99b820
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,2 @@
+nasm -f elf64 cat.s -o cat.o
+ld cat.o -o cat
diff --git a/cat.s b/cat.s
new file mode 100644
index 0000000..79d9f30
--- /dev/null
+++ b/cat.s
@@ -0,0 +1,16 @@
+    global _start
+    section .text
+_start:
+    mov rax, 1
+    mov rdi, 1
+    mov rsi, msg
+    mov rdx, msgSize
+    syscall
+
+    mov rax, 60
+    mov rdi, 0
+    syscall
+
+    section .data
+msg: db "Hello, world!", 10
+msgSize: EQU $ - msg