Spawn Processes using memory primitives rather than and elf loader.

This allows us to remove the temporary syscall for that style of process
spawn.

lib/mammoth/src/debug.cpp

@@ -1,5 +1,31 @@
 #include "include/mammoth/debug.h"
 
 #include <zcall.h>
+#include <zerrors.h>
 
-void dbgln(const char* str) { ZDebug(str); }
+void dbgln(const char* str) {
+  // Safe to ignore the result since right now this doesn't throw.
+  uint64_t _ = ZDebug(str);
+}
+
+void check(uint64_t code) {
+  switch (code) {
+    case Z_OK:
+      return;
+    case ZE_NOT_FOUND:
+      dbgln("crash: NOT_FOUND");
+      break;
+    case ZE_INVALID:
+      dbgln("crash: INVALID");
+      break;
+    case ZE_DENIED:
+      dbgln("crash: DENIED");
+      break;
+    case ZE_UNIMPLEMENTED:
+      dbgln("crash: UNIMPLEMENTED");
+    default:
+      dbgln("Unhandled code");
+      break;
+  }
+  ZProcessExit(code);
+}