WINDOWS HELLO WORLD (scuffed)

2026-06-09 01:02:40 -04:00
parent e4acaf40aa
commit ea305909a0
6 changed files with 58 additions and 8 deletions
@@ -79,10 +79,33 @@ fn windows() {
    let mut program = Program::<X86_64>::default();
    let [get_std_handle, write_file, exit_process] =
        program.external("KERNEL32.dll", ["GetStdHandle", "WriteFile", "ExitProcess"]);
+    let text = b"Hello world!\n";
+    let text_sym = program.ro_data("hello_en", text);
+    let written = program.ro_data("written", [0; 4]);
    let entry = program.func(
        "main",
        [BInstr::Asm(Asm {
-            instrs: vec![Instr::Sub, mov(ecx, 40), Instr::CallMem(exit_process)],
+            instrs: vec![
+                Instr::Sub,
+                // stdout
+                mov(ecx, -11),
+                Instr::CallMem(get_std_handle),
+                // write
+                mov(rcx, rax),
+                lea(rdx, text_sym),
+                mov(r8d, text.len() as u64),
+                lea(r9, written),
+                Instr::MemMov {
+                    reg: rsp,
+                    offset: 0x20,
+                    val: 0,
+                },
+                // mov qword [rsp+32], 0
+                Instr::CallMem(write_file),
+                // exit
+                mov(ecx, 39),
+                Instr::CallMem(exit_process),
+            ],
        })],
    );
    program.entry = Some(entry);