tasking: fix ELF file execution

2025-06-07 18:18:05 +03:00
parent 9f721a72b7
commit 5fa2393fd6
7 changed files with 133 additions and 68 deletions
@@ -0,0 +1,15 @@
+section .text
+    global _start       ;must be declared for using gcc
+_start:                     ;tell linker entry point
+    mov edx, len    ;message length
+    mov ecx, msg    ;message to write
+    mov ebx, 1      ;file descriptor (stdout)
+    mov eax, 4      ;system call number (sys_write)
+    int 0x80        ;call kernel
+    mov eax, 1      ;system call number (sys_exit)
+    int 0x80        ;call kernel
+
+section .data
+
+msg db  'Hello, world!',0xa ;our dear string
+len equ $ - msg         ;length of our dear string