src: move internal loaders out of bootstrap_node.js

- Moves the creation of `process.binding()`, `process._linkedBinding()`
  `internalBinding()` and `NativeModule` into a separate file
  `lib/internal/bootstrap_loaders.js`, and documents them there.
  This file will be compiled and run before `bootstrap_node.js`, which
  means we now bootstrap the internal module & binding system before
  actually bootstrapping Node.js.
- Rename the special ID that can be used to require `NativeModule`
  as `internal/bootstrap_loaders` since it is setup there. Also put
  `internalBinding` in the object exported by `NativeModule.require`
  instead of putting it inside the `NativeModule.wrapper`
- Use the original `getBinding()` to get the source code of native
  modules instead of getting it from `process.binding('native')`
  so that users cannot fake native modules by modifying the binding
  object.
- Names the bootstrapping functions so their names show up
  in the stack trace.

PR-URL: https://github.com/nodejs/node/pull/19112
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

1 files changed, 25 insertions, 0 deletions

diff --git a/test/parallel/test-loaders-hidden-from-users.js b/test/parallel/test-loaders-hidden-from-users.js
new file mode 100644
index 0000000000..b3e6622c8c
--- /dev/null
+++ b/test/parallel/test-loaders-hidden-from-users.js
@@ -0,0 +1,25 @@
+// Flags: --expose-internals
+
+'use strict';
+
+const common = require('../common');
+
+common.expectsError(
+  () => {
+    require('internal/bootstrap_loaders');
+  }, {
+    code: 'MODULE_NOT_FOUND',
+    message: 'Cannot find module \'internal/bootstrap_loaders\''
+  }
+);
+
+common.expectsError(
+  () => {
+    const source = 'module.exports = require("internal/bootstrap_loaders")';
+    process.binding('natives').owo = source;
+    require('owo');
+  }, {
+    code: 'MODULE_NOT_FOUND',
+    message: 'Cannot find module \'owo\''
+  }
+);