finished pkg_bootstrap

patches/node.v6.5.0.patch

@@ -348,7 +348,7 @@
  
 --- node/src/node_javascript.cc
 +++ node/src/node_javascript.cc
-@@ -31,8 +31,16 @@
+@@ -31,8 +31,44 @@
                env->isolate(), reinterpret_cast<const char*>(native.source),
                NewStringType::kNormal, native.source_len).ToLocalChecked();
        target->Set(name, source);
@@ -357,9 +357,37 @@
 +
 +  auto name = String::NewFromUtf8(env->isolate(), "_pkg_bootstrap");
 +  auto source = String::NewFromUtf8(env->isolate(),
-+    "var vm = require('vm');\n" \
-+    "console.log(vm);\n" \
-+    "// TODO result(process, require, console);\n"
++    "function readOverlay() {\n" \
++    "  var fs = require('fs');\n" \
++    "  var me = fs.readFileSync(process.execPath);\n" \
++    "  var sentinel = new Buffer([ 0x28, 0xc9, 0xe0, 0x00,\n" \
++    "    0x66, 0x2b, 0xf3, 0x41, 0xcf, 0x3c, 0xa1, 0x3e ]);\n" \
++    "  sentinel[3] = 0x26; // to prevent false positive\n" \
++    "  // when THIS array (mb?) found as plain bytes\n" \
++    "  var index = me.indexOf(sentinel);\n" \
++    "  if (index < 0) {\n" \
++    "    process.argv.splice(1, 1);\n" \
++    "    return undefined;\n" \
++    "  }\n" \
++    "  var vm = require('vm');\n" \
++    "  var s = new vm.Script(undefined, {\n" \
++    "    cachedData: me.slice(index + 16),\n" \
++    "    sourceless: true\n" \
++    "  });\n" \
++    "  if (s.cachedDataRejected) {\n" \
++    "    console.log('Pkg: Cached data was rejected');\n" \
++    "    process.exit(2);\n" \
++    "  }\n" \
++    "  var fn = s.runInThisContext();\n" \
++    "  return fn(process, require, console);\n" \
++    "}\n" \
++    "\n" \
++    "var r = readOverlay();\n" \
++    "if (r && r.undoPatch) {\n" \
++    "  // fallback to plain node. need to revert patch to node/lib/module.js\n" \
++    "  require('fs').internalModuleStat =     process.binding('fs').internalModuleStat;\n" \
++    "  require('fs').internalModuleReadFile = process.binding('fs').internalModuleReadFile;\n" \
++    "}\n"
 +  );
 +  target->Set(name, source);
  }