4407 - error message on unimplemented syscalls

Fixes #9.
akkartik · Jul 25, 2018 · 95fbb9b · 95fbb9b
1 parent 00c2ca0
commit 95fbb9b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/subx/019syscalls.cc b/subx/019syscalls.cc
@@ -26,6 +26,8 @@ void process_int80() {
   case 4:
     Reg[EAX].i = write(/*file descriptor*/Reg[EBX].u, /*memory buffer*/mem_addr_u8(Reg[ECX].u), /*size*/Reg[EDX].u);
     break;
+  default:
+    raise << HEXWORD << EIP << ": unimplemented syscall " << Reg[EAX].u << '\n' << end();
   }
 }