build_ensure_v8_pointer_compression_sandbox_is_enabled_on_64bit.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samuel Attard <sattard@salesforce.com>
Date: Thu, 7 Jul 2022 14:42:49 -0700
Subject: build: ensure v8 pointer compression + sandbox is enabled on 64bit

Aligns common.gypi with the current build flag state of //v8.

Specifically enables `V8_ENABLE_SANDBOX`, `V8_SANDBOXED_POINTERS`, `V8_COMPRESS_POINTERS` and `V8_COMPRESS_POINTERS_IN_SHARED_CAGE`.

diff --git a/common.gypi b/common.gypi
index 2c2f3218a8ae387802af3d154ede601aedcb52dd..b661dc4a1b3149e780eef46033e70e68038417b0 100644
--- a/common.gypi
+++ b/common.gypi
@@ -65,6 +65,7 @@
     # node-gyp to build addons.
     'v8_enable_pointer_compression%': 0,
     'v8_enable_31bit_smis_on_64bit_arch%': 0,
+    'v8_enable_sandbox%': 0,
 
     # Disable v8 hugepage by default.
     'v8_enable_hugepage%': 0,
@@ -123,6 +124,7 @@
       ['target_arch in "arm ia32 mips mipsel ppc"', {
         'v8_enable_pointer_compression': 0,
         'v8_enable_31bit_smis_on_64bit_arch': 0,
+        'v8_enable_sandbox': 0,
       }],
       ['target_arch in "ppc64 s390x"', {
         'v8_enable_backtrace': 1,
@@ -389,9 +391,12 @@
       ['v8_enable_pointer_compression == 1', {
         'defines': [
           'V8_COMPRESS_POINTERS',
-          'V8_COMPRESS_POINTERS_IN_ISOLATE_CAGE',
+          'V8_COMPRESS_POINTERS_IN_SHARED_CAGE',
         ],
       }],
+      ['v8_enable_sandbox == 1', {
+        'defines': ['V8_ENABLE_SANDBOX']
+      }],
       ['v8_enable_pointer_compression == 1 or v8_enable_31bit_smis_on_64bit_arch == 1', {
         'defines': ['V8_31BIT_SMIS_ON_64BIT_ARCH'],
       }],
diff --git a/configure.py b/configure.py
index 0a45c07f587ed8d21dff45d523b7074606c586ac..171afd04030e6933da054db866d44428ae808acf 100755
--- a/configure.py
+++ b/configure.py
@@ -1530,6 +1530,7 @@ def configure_v8(o):
   o['variables']['v8_use_siphash'] = 0 if options.without_siphash else 1
   o['variables']['v8_enable_pointer_compression'] = 1 if options.enable_pointer_compression else 0
   o['variables']['v8_enable_31bit_smis_on_64bit_arch'] = 1 if options.enable_pointer_compression else 0
+  o['variables']['v8_enable_sandbox'] = 1 if options.enable_pointer_compression else 0
   o['variables']['v8_enable_shared_ro_heap'] = 0 if options.enable_pointer_compression or options.disable_shared_ro_heap else 1
   o['variables']['v8_trace_maps'] = 1 if options.trace_maps else 0
   o['variables']['node_use_v8_platform'] = b(not options.without_v8_platform)