deps: update V8 to 7.3.492.25

PR-URL: https://github.com/nodejs/node/pull/25852
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 383 insertions, 494 deletions

diff --git a/deps/v8/BUILD.gn b/deps/v8/BUILD.gn
index 10e1a28b0a..16e0b60ca7 100644
--- a/deps/v8/BUILD.gn
+++ b/deps/v8/BUILD.gn
@@ -18,6 +18,15 @@ if (is_android) {
 import("gni/v8.gni")
 import("snapshot_toolchain.gni")
 
+# Specifies if the target build is a simulator build. Comparing target cpu
+# with v8 target cpu to not affect simulator builds for making cross-compile
+# snapshots.
+is_target_simulator = (target_cpu != v8_target_cpu && !v8_multi_arch_build) ||
+                      (current_cpu != v8_current_cpu && v8_multi_arch_build)
+
+# For faster Windows builds. See https://crbug.com/v8/8475.
+emit_builtins_as_inline_asm = is_win && is_clang
+
 declare_args() {
   # Print to stdout on Android.
   v8_android_log_stdout = false
@@ -32,6 +41,11 @@ declare_args() {
   # Sets -DV8_ENABLE_FUTURE.
   v8_enable_future = false
 
+  # Lite mode disables a number of performance optimizations to reduce memory
+  # at the cost of performance.
+  # Sets --DV8_LITE_MODE.
+  v8_enable_lite_mode = false
+
   # Sets -DVERIFY_HEAP.
   v8_enable_verify_heap = ""
 
@@ -72,15 +86,17 @@ declare_args() {
   v8_enable_fast_mksnapshot = false
 
   # Enable embedded builtins.
-  # TODO(jgruber,v8:6666): Support ia32 and maybe MSVC.
-  v8_enable_embedded_builtins = v8_use_snapshot && v8_current_cpu != "x86" &&
-                                !is_aix && (!is_win || is_clang)
+  v8_enable_embedded_builtins = true
+
+  # Enable code comments for builtins in the snapshot (impacts performance).
+  v8_enable_snapshot_code_comments = false
 
   # Enable code-generation-time checking of types in the CodeStubAssembler.
   v8_enable_verify_csa = false
 
   # Enable pointer compression (sets -dV8_COMPRESS_POINTERS).
   v8_enable_pointer_compression = false
+  v8_enable_31bit_smis_on_64bit_arch = false
 
   # Interpreted regexp engine exists as platform-independent alternative
   # based where the regular expression is compiled to a bytecode.
@@ -107,10 +123,6 @@ declare_args() {
   # Enables various testing features.
   v8_enable_test_features = ""
 
-  # Build the snapshot with unwinding information for perf.
-  # Sets -dV8_USE_SNAPSHOT_WITH_UNWINDING_INFO.
-  v8_perf_prof_unwinding_info = false
-
   # With post mortem support enabled, metadata is embedded into libv8 that
   # describes various parameters of the VM for use by debuggers. See
   # tools/gen-postmortem-metadata.py for details.
@@ -140,12 +152,6 @@ declare_args() {
   # This default is used by cctests. Projects using V8 will want to override.
   v8_extra_library_files = [ "//test/cctest/test-extra.js" ]
 
-  # Like v8_extra_library_files but for experimental features.
-  #
-  # This default is used by cctests. Projects using V8 will want to override.
-  v8_experimental_extra_library_files =
-      [ "//test/cctest/test-experimental-extra.js" ]
-
   v8_enable_gdbjit =
       ((v8_current_cpu == "x86" || v8_current_cpu == "x64") &&
        (is_linux || is_mac)) || (v8_current_cpu == "ppc64" && is_linux)
@@ -155,7 +161,12 @@ declare_args() {
   v8_check_microtasks_scopes_consistency = ""
 
   # Enable mitigations for executing untrusted code.
-  v8_untrusted_code_mitigations = true
+  # Disabled by default on ia32 due to conflicting requirements with embedded
+  # builtins. Enabled by default on Android since it doesn't support
+  # site-isolation in Chrome and on simulator builds which test code generation
+  # on these platforms.
+  v8_untrusted_code_mitigations =
+      v8_current_cpu != "x86" && (is_android || is_target_simulator)
 
   # Enable minor mark compact.
   v8_enable_minor_mc = true
@@ -201,17 +212,13 @@ if (v8_check_microtasks_scopes_consistency == "") {
       v8_enable_debugging_features || dcheck_always_on
 }
 
-assert(!v8_enable_embedded_builtins || v8_use_snapshot,
-       "Embedded builtins only work with snapshots")
-assert(
-    v8_current_cpu != "x86" || !v8_enable_embedded_builtins ||
-        !v8_untrusted_code_mitigations,
-    "Embedded builtins on ia32 and untrusted code mitigations are incompatible")
+assert(v8_current_cpu != "x86" || !v8_untrusted_code_mitigations,
+       "Untrusted code mitigations are unsupported on ia32")
 
-# Specifies if the target build is a simulator build. Comparing target cpu
-# with v8 target cpu to not affect simulator builds for making cross-compile
-# snapshots.
-is_target_simulator = target_cpu != v8_target_cpu
+assert(!v8_enable_lite_mode || v8_enable_embedded_builtins,
+       "Lite mode requires embedded builtins")
+assert(!v8_enable_lite_mode || v8_use_snapshot,
+       "Lite mode requires a snapshot build")
 
 v8_random_seed = "314159265"
 v8_toolset_for_shell = "host"
@@ -227,10 +234,10 @@ config("internal_config") {
     "$target_gen_dir",
   ]
 
-  defines = []
+  configs = [ "//build/config/compiler:wexit_time_destructors" ]
 
   if (is_component_build) {
-    defines += [ "BUILDING_V8_SHARED" ]
+    defines = [ "BUILDING_V8_SHARED" ]
   }
 }
 
@@ -317,6 +324,13 @@ config("features") {
   if (v8_enable_future) {
     defines += [ "V8_ENABLE_FUTURE" ]
   }
+  if (v8_enable_lite_mode) {
+    defines += [ "V8_LITE_MODE" ]
+
+    # TODO(v8:7777): Remove the define once the --jitless runtime flag does
+    # everything we need.
+    defines += [ "V8_JITLESS_MODE" ]
+  }
   if (v8_enable_gdbjit) {
     defines += [ "ENABLE_GDB_JIT_INTERFACE" ]
   }
@@ -329,6 +343,9 @@ config("features") {
   if (v8_enable_pointer_compression) {
     defines += [ "V8_COMPRESS_POINTERS" ]
   }
+  if (v8_enable_31bit_smis_on_64bit_arch) {
+    defines += [ "V8_31BIT_SMIS_ON_64BIT_ARCH" ]
+  }
   if (v8_enable_object_print) {
     defines += [ "OBJECT_PRINT" ]
   }
@@ -354,7 +371,7 @@ config("features") {
   if (v8_enable_v8_checks) {
     defines += [ "V8_ENABLE_CHECKS" ]
   }
-  if (v8_interpreted_regexp) {
+  if (v8_interpreted_regexp || v8_enable_lite_mode) {
     defines += [ "V8_INTERPRETED_REGEXP" ]
   }
   if (v8_deprecation_warnings) {
@@ -371,9 +388,6 @@ config("features") {
   }
   if (v8_use_snapshot) {
     defines += [ "V8_USE_SNAPSHOT" ]
-    if (v8_perf_prof_unwinding_info) {
-      defines += [ "V8_USE_SNAPSHOT_WITH_UNWINDING_INFO" ]
-    }
   }
   if (v8_use_external_startup_data) {
     defines += [ "V8_USE_EXTERNAL_STARTUP_DATA" ]
@@ -385,10 +399,7 @@ config("features") {
     defines += [ "V8_CHECK_MICROTASKS_SCOPES_CONSISTENCY" ]
   }
   if (v8_enable_embedded_builtins) {
-    defines += [
-      "V8_EMBEDDED_BUILTINS",
-      "V8_EMBEDDED_BYTECODE_HANDLERS",
-    ]
+    defines += [ "V8_EMBEDDED_BUILTINS" ]
   }
   if (v8_use_multi_snapshots) {
     defines += [ "V8_MULTI_SNAPSHOTS" ]
@@ -667,44 +678,35 @@ config("v8_gcov_coverage_ldflags") {
 # Actions
 #
 
-action("js2c") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  script = "tools/js2c.py"
-
-  # The script depends on this other script, this rule causes a rebuild if it
-  # changes.
-  inputs = [
-    "tools/jsmin.py",
-  ]
-
-  # NOSORT
-  sources = [
-    "src/js/macros.py",
-    "src/messages.h",
-    "src/js/prologue.js",
-    "src/js/array.js",
-    "src/js/typedarray.js",
-  ]
-
-  outputs = [
-    "$target_gen_dir/libraries.cc",
-  ]
-
-  if (v8_enable_i18n_support) {
-    sources += [ "src/js/intl.js" ]
+# Only for Windows clang builds. Converts the embedded.S file produced by
+# mksnapshot into an embedded.cc file with corresponding inline assembly.
+template("asm_to_inline_asm") {
+  name = target_name
+  if (name == "default") {
+    suffix = ""
+  } else {
+    suffix = "_$name"
   }
 
-  args = [
-           rebase_path("$target_gen_dir/libraries.cc", root_build_dir),
-           "CORE",
-         ] + rebase_path(sources, root_build_dir)
+  action("asm_to_inline_asm_" + name) {
+    visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
-  if (v8_use_external_startup_data) {
-    outputs += [ "$target_gen_dir/libraries.bin" ]
+    assert(emit_builtins_as_inline_asm)
+
+    script = "tools/snapshot/asm_to_inline_asm.py"
+    deps = [
+      ":run_mksnapshot_" + name,
+    ]
+    sources = [
+      "$target_gen_dir/embedded${suffix}.S",
+    ]
+    outputs = [
+      "$target_gen_dir/embedded${suffix}.cc",
+    ]
+    args = invoker.args
     args += [
-      "--startup_blob",
-      rebase_path("$target_gen_dir/libraries.bin", root_build_dir),
+      rebase_path("$target_gen_dir/embedded${suffix}.S", root_build_dir),
+      rebase_path("$target_gen_dir/embedded${suffix}.cc", root_build_dir),
     ]
   }
 }
@@ -714,12 +716,6 @@ action("js2c_extras") {
 
   script = "tools/js2c.py"
 
-  # The script depends on this other script, this rule causes a rebuild if it
-  # changes.
-  inputs = [
-    "tools/jsmin.py",
-  ]
-
   sources = v8_extra_library_files
 
   outputs = [
@@ -740,58 +736,6 @@ action("js2c_extras") {
   }
 }
 
-action("js2c_experimental_extras") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  script = "tools/js2c.py"
-
-  # The script depends on this other script, this rule causes a rebuild if it
-  # changes.
-  inputs = [
-    "tools/jsmin.py",
-  ]
-
-  sources = v8_experimental_extra_library_files
-
-  outputs = [
-    "$target_gen_dir/experimental-extras-libraries.cc",
-  ]
-
-  args = [
-           rebase_path("$target_gen_dir/experimental-extras-libraries.cc",
-                       root_build_dir),
-           "EXPERIMENTAL_EXTRAS",
-         ] + rebase_path(sources, root_build_dir)
-
-  if (v8_use_external_startup_data) {
-    outputs += [ "$target_gen_dir/libraries_experimental_extras.bin" ]
-    args += [
-      "--startup_blob",
-      rebase_path("$target_gen_dir/libraries_experimental_extras.bin",
-                  root_build_dir),
-    ]
-  }
-}
-
-action("d8_js2c") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  script = "tools/js2c.py"
-
-  # NOSORT
-  inputs = [
-    "src/d8.js",
-    "src/js/macros.py",
-  ]
-
-  outputs = [
-    "$target_gen_dir/d8-js.cc",
-  ]
-
-  args = rebase_path(outputs, root_build_dir) + [ "D8" ] +
-         rebase_path(inputs, root_build_dir)
-}
-
 if (is_android && enable_java_templates) {
   android_assets("v8_external_startup_data_assets") {
     if (v8_use_external_startup_data) {
@@ -820,16 +764,12 @@ if (v8_use_external_startup_data) {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     deps = [
-      ":js2c",
-      ":js2c_experimental_extras",
       ":js2c_extras",
     ]
 
     # NOSORT
     sources = [
-      "$target_gen_dir/libraries.bin",
       "$target_gen_dir/libraries_extras.bin",
-      "$target_gen_dir/libraries_experimental_extras.bin",
     ]
 
     outputs = [
@@ -862,18 +802,29 @@ action("postmortem-metadata") {
     "src/objects-inl.h",
     "src/objects/allocation-site-inl.h",
     "src/objects/allocation-site.h",
+    "src/objects/cell-inl.h",
+    "src/objects/cell.h",
     "src/objects/code-inl.h",
     "src/objects/code.h",
     "src/objects/data-handler.h",
     "src/objects/data-handler-inl.h",
+    "src/objects/feedback-cell.h",
+    "src/objects/feedback-cell-inl.h",
     "src/objects/fixed-array-inl.h",
     "src/objects/fixed-array.h",
+    "src/objects/heap-number-inl.h",
+    "src/objects/heap-number.h",
+    "src/objects/heap-object-inl.h",
+    "src/objects/heap-object.h",
+    "src/objects/instance-type.h",
     "src/objects/js-array-inl.h",
     "src/objects/js-array.h",
     "src/objects/js-array-buffer-inl.h",
     "src/objects/js-array-buffer.h",
     "src/objects/js-objects-inl.h",
     "src/objects/js-objects.h",
+    "src/objects/js-promise-inl.h",
+    "src/objects/js-promise.h",
     "src/objects/js-regexp-inl.h",
     "src/objects/js-regexp.h",
     "src/objects/js-regexp-string-iterator-inl.h",
@@ -882,6 +833,8 @@ action("postmortem-metadata") {
     "src/objects/map-inl.h",
     "src/objects/name.h",
     "src/objects/name-inl.h",
+    "src/objects/oddball-inl.h",
+    "src/objects/oddball.h",
     "src/objects/scope-info.h",
     "src/objects/script.h",
     "src/objects/script-inl.h",
@@ -889,6 +842,8 @@ action("postmortem-metadata") {
     "src/objects/shared-function-info-inl.h",
     "src/objects/string.h",
     "src/objects/string-inl.h",
+    "src/objects/struct.h",
+    "src/objects/struct-inl.h",
   ]
 
   outputs = [
@@ -901,24 +856,41 @@ action("postmortem-metadata") {
 
 torque_files = [
   "src/builtins/base.tq",
+  "src/builtins/frames.tq",
+  "src/builtins/arguments.tq",
   "src/builtins/array.tq",
   "src/builtins/array-copywithin.tq",
+  "src/builtins/array-filter.tq",
   "src/builtins/array-foreach.tq",
+  "src/builtins/array-join.tq",
   "src/builtins/array-lastindexof.tq",
+  "src/builtins/array-of.tq",
   "src/builtins/array-reverse.tq",
+  "src/builtins/array-slice.tq",
   "src/builtins/array-splice.tq",
   "src/builtins/array-unshift.tq",
-  "src/builtins/typed-array.tq",
+  "src/builtins/collections.tq",
   "src/builtins/data-view.tq",
+  "src/builtins/extras-utils.tq",
+  "src/builtins/object.tq",
+  "src/builtins/object-fromentries.tq",
+  "src/builtins/iterator.tq",
+  "src/builtins/typed-array.tq",
+  "src/builtins/typed-array-createtypedarray.tq",
   "test/torque/test-torque.tq",
   "third_party/v8/builtins/array-sort.tq",
 ]
 
-torque_modules = [
+torque_namespaces = [
   "base",
+  "arguments",
   "array",
+  "collections",
+  "iterator",
+  "object",
   "typed-array",
   "data-view",
+  "extras-utils",
   "test",
 ]
 
@@ -940,10 +912,10 @@ action("run_torque") {
   outputs = [
     "$target_gen_dir/torque-generated/builtin-definitions-from-dsl.h",
   ]
-  foreach(module, torque_modules) {
+  foreach(namespace, torque_namespaces) {
     outputs += [
-      "$target_gen_dir/torque-generated/builtins-$module-from-dsl-gen.cc",
-      "$target_gen_dir/torque-generated/builtins-$module-from-dsl-gen.h",
+      "$target_gen_dir/torque-generated/builtins-$namespace-from-dsl-gen.cc",
+      "$target_gen_dir/torque-generated/builtins-$namespace-from-dsl-gen.h",
     ]
   }
 
@@ -960,20 +932,6 @@ action("run_torque") {
   }
 }
 
-v8_header_set("torque_generated_core") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  deps = [
-    ":run_torque",
-  ]
-
-  sources = [
-    "$target_gen_dir/torque-generated/builtin-definitions-from-dsl.h",
-  ]
-
-  configs = [ ":internal_config" ]
-}
-
 v8_source_set("torque_generated_initializers") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
@@ -989,10 +947,10 @@ v8_source_set("torque_generated_initializers") {
   }
 
   sources = []
-  foreach(module, torque_modules) {
+  foreach(namespace, torque_namespaces) {
     sources += [
-      "$target_gen_dir/torque-generated/builtins-$module-from-dsl-gen.cc",
-      "$target_gen_dir/torque-generated/builtins-$module-from-dsl-gen.h",
+      "$target_gen_dir/torque-generated/builtins-$namespace-from-dsl-gen.cc",
+      "$target_gen_dir/torque-generated/builtins-$namespace-from-dsl-gen.h",
     ]
   }
 
@@ -1013,14 +971,15 @@ action("generate_bytecode_builtins_list") {
                     ":bytecode_builtins_list_generator($v8_generator_toolchain)",
                     "root_out_dir") + "/bytecode_builtins_list_generator",
             root_build_dir),
-    rebase_path("$target_gen_dir/builtins-generated/bytecodes-builtins-list.h"),
+    rebase_path("$target_gen_dir/builtins-generated/bytecodes-builtins-list.h",
+                root_build_dir),
   ]
 }
 
 # Template to generate different V8 snapshots based on different runtime flags.
 # Can be invoked with run_mksnapshot(<name>). The target will resolve to
 # run_mksnapshot_<name>. If <name> is "default", no file suffixes will be used.
-# Otherwise files are suffixed, e.g. embedded_<name>.cc and
+# Otherwise files are suffixed, e.g. embedded_<name>.S and
 # snapshot_blob_<name>.bin.
 #
 # The template exposes the variables:
@@ -1059,10 +1018,10 @@ template("run_mksnapshot") {
     args += invoker.args
 
     if (v8_enable_embedded_builtins) {
-      outputs += [ "$target_gen_dir/embedded${suffix}.cc" ]
+      outputs += [ "$target_gen_dir/embedded${suffix}.S" ]
       args += [
         "--embedded_src",
-        rebase_path("$target_gen_dir/embedded${suffix}.cc", root_build_dir),
+        rebase_path("$target_gen_dir/embedded${suffix}.S", root_build_dir),
       ]
       if (invoker.embedded_variant != "") {
         args += [
@@ -1086,10 +1045,6 @@ template("run_mksnapshot") {
       ]
     }
 
-    if (v8_perf_prof_unwinding_info) {
-      args += [ "--perf-prof-unwinding-info" ]
-    }
-
     if (v8_use_external_startup_data) {
       outputs += [ "$root_out_dir/snapshot_blob${suffix}.bin" ]
       data += [ "$root_out_dir/snapshot_blob${suffix}.bin" ]
@@ -1110,6 +1065,10 @@ template("run_mksnapshot") {
       args += [ rebase_path(v8_embed_script, root_build_dir) ]
     }
 
+    if (v8_enable_snapshot_code_comments) {
+      args += [ "--code-comments" ]
+    }
+
     if (v8_enable_fast_mksnapshot) {
       args += [
         "--no-turbo-rewrite-far-jumps",
@@ -1131,6 +1090,11 @@ if (v8_use_snapshot) {
       embedded_variant = "Default"
     }
   }
+  if (emit_builtins_as_inline_asm) {
+    asm_to_inline_asm("default") {
+      args = []
+    }
+  }
   if (v8_use_multi_snapshots) {
     run_mksnapshot("trusted") {
       args = [ "--no-untrusted-code-mitigations" ]
@@ -1138,6 +1102,11 @@ if (v8_use_snapshot) {
         embedded_variant = "Trusted"
       }
     }
+    if (emit_builtins_as_inline_asm) {
+      asm_to_inline_asm("trusted") {
+        args = []
+      }
+    }
   }
 }
 
@@ -1166,6 +1135,10 @@ action("v8_dump_build_config") {
     "v8_enable_verify_predictable=$v8_enable_verify_predictable",
     "v8_target_cpu=\"$v8_target_cpu\"",
     "v8_use_snapshot=$v8_use_snapshot",
+    "v8_enable_embedded_builtins=$v8_enable_embedded_builtins",
+    "v8_enable_verify_csa=$v8_enable_verify_csa",
+    "v8_enable_lite_mode=$v8_enable_lite_mode",
+    "v8_enable_pointer_compression=$v8_enable_pointer_compression",
   ]
 
   if (v8_current_cpu == "mips" || v8_current_cpu == "mipsel" ||
@@ -1203,29 +1176,16 @@ v8_source_set("v8_nosnapshot") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   deps = [
-    ":js2c",
-    ":js2c_experimental_extras",
     ":js2c_extras",
     ":v8_base",
   ]
 
   sources = [
-    "$target_gen_dir/experimental-extras-libraries.cc",
     "$target_gen_dir/extras-libraries.cc",
-    "$target_gen_dir/libraries.cc",
     "src/snapshot/embedded-empty.cc",
     "src/snapshot/snapshot-empty.cc",
   ]
 
-  if (use_jumbo_build == true) {
-    jumbo_excluded_sources = [
-      # TODO(mostynb@vewd.com): don't exclude these http://crbug.com/752428
-      # Generated source, contains same variable names as libraries.cc
-      "$target_gen_dir/experimental-extras-libraries.cc",
-      "$target_gen_dir/libraries.cc",
-    ]
-  }
-
   configs = [ ":internal_config" ]
 }
 
@@ -1239,8 +1199,6 @@ if (v8_use_snapshot && !v8_use_external_startup_data) {
     ]
 
     deps = [
-      ":js2c",
-      ":js2c_experimental_extras",
       ":js2c_extras",
       ":v8_base",
     ]
@@ -1254,28 +1212,20 @@ if (v8_use_snapshot && !v8_use_external_startup_data) {
     public = []
 
     sources = [
-      "$target_gen_dir/experimental-extras-libraries.cc",
       "$target_gen_dir/extras-libraries.cc",
-      "$target_gen_dir/libraries.cc",
       "$target_gen_dir/snapshot.cc",
       "src/setup-isolate-deserialize.cc",
     ]
 
-    if (v8_enable_embedded_builtins) {
+    if (v8_enable_embedded_builtins && emit_builtins_as_inline_asm) {
+      deps += [ ":asm_to_inline_asm_default" ]
       sources += [ "$target_gen_dir/embedded.cc" ]
+    } else if (v8_enable_embedded_builtins) {
+      sources += [ "$target_gen_dir/embedded.S" ]
     } else {
       sources += [ "src/snapshot/embedded-empty.cc" ]
     }
 
-    if (use_jumbo_build == true) {
-      jumbo_excluded_sources = [
-        # TODO(mostynb@vewd.com): don't exclude these http://crbug.com/752428
-        # Generated source, contains same variable names as libraries.cc
-        "$target_gen_dir/experimental-extras-libraries.cc",
-        "$target_gen_dir/libraries.cc",
-      ]
-    }
-
     configs = [ ":internal_config" ]
   }
 }
@@ -1285,8 +1235,6 @@ if (v8_use_snapshot && v8_use_external_startup_data) {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     deps = [
-      ":js2c",
-      ":js2c_experimental_extras",
       ":js2c_extras",
       ":v8_base",
     ]
@@ -1308,16 +1256,28 @@ if (v8_use_snapshot && v8_use_external_startup_data) {
     # Do not publicize any header to remove build dependency.
     public = []
 
-    if (v8_enable_embedded_builtins) {
+    if (v8_enable_embedded_builtins && emit_builtins_as_inline_asm) {
+      deps += [ ":asm_to_inline_asm_default" ]
       sources += [ "$target_gen_dir/embedded.cc" ]
 
       if (v8_use_multi_snapshots) {
+        deps += [ ":asm_to_inline_asm_trusted" ]
         sources += [ "$target_gen_dir/embedded_trusted.cc" ]
 
         if (use_jumbo_build == true) {
+          jumbo_excluded_sources = [ "$target_gen_dir/embedded_trusted.cc" ]
+        }
+      }
+    } else if (v8_enable_embedded_builtins) {
+      sources += [ "$target_gen_dir/embedded.S" ]
+
+      if (v8_use_multi_snapshots) {
+        sources += [ "$target_gen_dir/embedded_trusted.S" ]
+
+        if (use_jumbo_build == true) {
           jumbo_excluded_sources = [
-            # Duplicated symbols with embedded.cc
-            "$target_gen_dir/embedded_trusted.cc",
+            # Duplicated symbols with embedded.S
+            "$target_gen_dir/embedded_trusted.S",
           ]
         }
       }
@@ -1351,6 +1311,7 @@ v8_source_set("v8_initializers") {
     "src/builtins/builtins-async-gen.h",
     "src/builtins/builtins-async-generator-gen.cc",
     "src/builtins/builtins-async-iterator-gen.cc",
+    "src/builtins/builtins-bigint-gen.cc",
     "src/builtins/builtins-boolean-gen.cc",
     "src/builtins/builtins-call-gen.cc",
     "src/builtins/builtins-call-gen.h",
@@ -1377,6 +1338,7 @@ v8_source_set("v8_initializers") {
     "src/builtins/builtins-lazy-gen.h",
     "src/builtins/builtins-math-gen.cc",
     "src/builtins/builtins-math-gen.h",
+    "src/builtins/builtins-microtask-queue-gen.cc",
     "src/builtins/builtins-number-gen.cc",
     "src/builtins/builtins-object-gen.cc",
     "src/builtins/builtins-promise-gen.cc",
@@ -1397,6 +1359,8 @@ v8_source_set("v8_initializers") {
     "src/builtins/growable-fixed-array-gen.cc",
     "src/builtins/growable-fixed-array-gen.h",
     "src/builtins/setup-builtins-internal.cc",
+    "src/code-stub-assembler.cc",
+    "src/code-stub-assembler.h",
     "src/heap/setup-heap-internal.cc",
     "src/ic/accessor-assembler.cc",
     "src/ic/accessor-assembler.h",
@@ -1418,9 +1382,10 @@ v8_source_set("v8_initializers") {
       "src/builtins/builtins-async-iterator-gen.cc",
       "src/builtins/builtins-async-generator-gen.cc",
 
-      # This source file takes an unusually large amount of time to
-      # compile.  Build it separately to avoid bottlenecks.
+      # These source files take an unusually large amount of time to
+      # compile.  Build them separately to avoid bottlenecks.
       "src/builtins/builtins-regexp-gen.cc",
+      "src/code-stub-assembler.cc",
     ]
   }
 
@@ -1516,6 +1481,14 @@ v8_header_set("v8_headers") {
     "include/v8config.h",
   ]
 
+  if (is_linux || is_mac) {
+    sources += [ "include/v8-wasm-trap-handler-posix.h" ]
+  }
+
+  if (is_win) {
+    sources += [ "include/v8-wasm-trap-handler-win.h" ]
+  }
+
   deps = [
     ":v8_version",
   ]
@@ -1539,6 +1512,7 @@ v8_source_set("v8_base") {
     "include/v8-profiler.h",
     "include/v8-testing.h",
     "include/v8-util.h",
+    "include/v8-wasm-trap-handler-posix.h",
     "include/v8.h",
     "include/v8config.h",
     "src/accessors.cc",
@@ -1569,8 +1543,6 @@ v8_source_set("v8_base") {
     "src/asmjs/asm-scanner.h",
     "src/asmjs/asm-types.cc",
     "src/asmjs/asm-types.h",
-    "src/asmjs/switch-logic.cc",
-    "src/asmjs/switch-logic.h",
     "src/assembler-arch-inl.h",
     "src/assembler-arch.h",
     "src/assembler-inl.h",
@@ -1586,13 +1558,10 @@ v8_source_set("v8_base") {
     "src/ast/ast-value-factory.h",
     "src/ast/ast.cc",
     "src/ast/ast.h",
-    "src/ast/context-slot-cache.cc",
-    "src/ast/context-slot-cache.h",
     "src/ast/modules.cc",
     "src/ast/modules.h",
     "src/ast/prettyprinter.cc",
     "src/ast/prettyprinter.h",
-    "src/ast/scopes-inl.h",
     "src/ast/scopes.cc",
     "src/ast/scopes.h",
     "src/ast/source-range-ast-visitor.cc",
@@ -1627,16 +1596,17 @@ v8_source_set("v8_base") {
     "src/builtins/builtins-definitions.h",
     "src/builtins/builtins-descriptors.h",
     "src/builtins/builtins-error.cc",
+    "src/builtins/builtins-extras-utils.cc",
     "src/builtins/builtins-function.cc",
     "src/builtins/builtins-global.cc",
     "src/builtins/builtins-internal.cc",
-    "src/builtins/builtins-interpreter.cc",
     "src/builtins/builtins-intl.cc",
     "src/builtins/builtins-json.cc",
     "src/builtins/builtins-math.cc",
     "src/builtins/builtins-number.cc",
     "src/builtins/builtins-object.cc",
     "src/builtins/builtins-promise.cc",
+    "src/builtins/builtins-promise.h",
     "src/builtins/builtins-reflect.cc",
     "src/builtins/builtins-regexp.cc",
     "src/builtins/builtins-sharedarraybuffer.cc",
@@ -1646,6 +1616,7 @@ v8_source_set("v8_base") {
     "src/builtins/builtins-typed-array.cc",
     "src/builtins/builtins-utils-inl.h",
     "src/builtins/builtins-utils.h",
+    "src/builtins/builtins-weak-refs.cc",
     "src/builtins/builtins.cc",
     "src/builtins/builtins.h",
     "src/builtins/constants-table-builder.cc",
@@ -1659,34 +1630,23 @@ v8_source_set("v8_base") {
     "src/char-predicates.cc",
     "src/char-predicates.h",
     "src/checks.h",
+    "src/code-comments.cc",
+    "src/code-comments.h",
     "src/code-events.h",
     "src/code-factory.cc",
     "src/code-factory.h",
     "src/code-reference.cc",
     "src/code-reference.h",
-    "src/code-stub-assembler.cc",
-    "src/code-stub-assembler.h",
-    "src/code-stubs-utils.h",
-    "src/code-stubs.cc",
-    "src/code-stubs.h",
     "src/code-tracer.h",
-    "src/codegen.cc",
-    "src/codegen.h",
     "src/collector.h",
     "src/compilation-cache.cc",
     "src/compilation-cache.h",
     "src/compilation-statistics.cc",
     "src/compilation-statistics.h",
-    "src/compiler-dispatcher/compiler-dispatcher-job.cc",
-    "src/compiler-dispatcher/compiler-dispatcher-job.h",
-    "src/compiler-dispatcher/compiler-dispatcher-tracer.cc",
-    "src/compiler-dispatcher/compiler-dispatcher-tracer.h",
     "src/compiler-dispatcher/compiler-dispatcher.cc",
     "src/compiler-dispatcher/compiler-dispatcher.h",
     "src/compiler-dispatcher/optimizing-compile-dispatcher.cc",
     "src/compiler-dispatcher/optimizing-compile-dispatcher.h",
-    "src/compiler-dispatcher/unoptimized-compile-job.cc",
-    "src/compiler-dispatcher/unoptimized-compile-job.h",
     "src/compiler.cc",
     "src/compiler.h",
     "src/compiler/access-builder.cc",
@@ -1695,7 +1655,34 @@ v8_source_set("v8_base") {
     "src/compiler/access-info.h",
     "src/compiler/all-nodes.cc",
     "src/compiler/all-nodes.h",
+    "src/compiler/allocation-builder-inl.h",
     "src/compiler/allocation-builder.h",
+    "src/compiler/backend/code-generator-impl.h",
+    "src/compiler/backend/code-generator.cc",
+    "src/compiler/backend/code-generator.h",
+    "src/compiler/backend/frame-elider.cc",
+    "src/compiler/backend/frame-elider.h",
+    "src/compiler/backend/gap-resolver.cc",
+    "src/compiler/backend/gap-resolver.h",
+    "src/compiler/backend/instruction-codes.h",
+    "src/compiler/backend/instruction-scheduler.cc",
+    "src/compiler/backend/instruction-scheduler.h",
+    "src/compiler/backend/instruction-selector-impl.h",
+    "src/compiler/backend/instruction-selector.cc",
+    "src/compiler/backend/instruction-selector.h",
+    "src/compiler/backend/instruction.cc",
+    "src/compiler/backend/instruction.h",
+    "src/compiler/backend/jump-threading.cc",
+    "src/compiler/backend/jump-threading.h",
+    "src/compiler/backend/live-range-separator.cc",
+    "src/compiler/backend/live-range-separator.h",
+    "src/compiler/backend/move-optimizer.cc",
+    "src/compiler/backend/move-optimizer.h",
+    "src/compiler/backend/register-allocator-verifier.cc",
+    "src/compiler/backend/register-allocator-verifier.h",
+    "src/compiler/backend/register-allocator.cc",
+    "src/compiler/backend/register-allocator.h",
+    "src/compiler/backend/unwinding-info-writer.h",
     "src/compiler/basic-block-instrumentor.cc",
     "src/compiler/basic-block-instrumentor.h",
     "src/compiler/branch-elimination.cc",
@@ -1711,9 +1698,6 @@ v8_source_set("v8_base") {
     "src/compiler/checkpoint-elimination.h",
     "src/compiler/code-assembler.cc",
     "src/compiler/code-assembler.h",
-    "src/compiler/code-generator-impl.h",
-    "src/compiler/code-generator.cc",
-    "src/compiler/code-generator.h",
     "src/compiler/common-node-cache.cc",
     "src/compiler/common-node-cache.h",
     "src/compiler/common-operator-reducer.cc",
@@ -1739,15 +1723,11 @@ v8_source_set("v8_base") {
     "src/compiler/escape-analysis-reducer.h",
     "src/compiler/escape-analysis.cc",
     "src/compiler/escape-analysis.h",
-    "src/compiler/frame-elider.cc",
-    "src/compiler/frame-elider.h",
     "src/compiler/frame-states.cc",
     "src/compiler/frame-states.h",
     "src/compiler/frame.cc",
     "src/compiler/frame.h",
     "src/compiler/functional-list.h",
-    "src/compiler/gap-resolver.cc",
-    "src/compiler/gap-resolver.h",
     "src/compiler/graph-assembler.cc",
     "src/compiler/graph-assembler.h",
     "src/compiler/graph-reducer.cc",
@@ -1758,14 +1738,6 @@ v8_source_set("v8_base") {
     "src/compiler/graph-visualizer.h",
     "src/compiler/graph.cc",
     "src/compiler/graph.h",
-    "src/compiler/instruction-codes.h",
-    "src/compiler/instruction-scheduler.cc",
-    "src/compiler/instruction-scheduler.h",
-    "src/compiler/instruction-selector-impl.h",
-    "src/compiler/instruction-selector.cc",
-    "src/compiler/instruction-selector.h",
-    "src/compiler/instruction.cc",
-    "src/compiler/instruction.h",
     "src/compiler/int64-lowering.cc",
     "src/compiler/int64-lowering.h",
     "src/compiler/js-call-reducer.cc",
@@ -1796,12 +1768,8 @@ v8_source_set("v8_base") {
     "src/compiler/js-type-hint-lowering.h",
     "src/compiler/js-typed-lowering.cc",
     "src/compiler/js-typed-lowering.h",
-    "src/compiler/jump-threading.cc",
-    "src/compiler/jump-threading.h",
     "src/compiler/linkage.cc",
     "src/compiler/linkage.h",
-    "src/compiler/live-range-separator.cc",
-    "src/compiler/live-range-separator.h",
     "src/compiler/load-elimination.cc",
     "src/compiler/load-elimination.h",
     "src/compiler/loop-analysis.cc",
@@ -1820,8 +1788,6 @@ v8_source_set("v8_base") {
     "src/compiler/machine-operator.h",
     "src/compiler/memory-optimizer.cc",
     "src/compiler/memory-optimizer.h",
-    "src/compiler/move-optimizer.cc",
-    "src/compiler/move-optimizer.h",
     "src/compiler/node-aux-data.h",
     "src/compiler/node-cache.cc",
     "src/compiler/node-cache.h",
@@ -1859,10 +1825,6 @@ v8_source_set("v8_base") {
     "src/compiler/redundancy-elimination.h",
     "src/compiler/refs-map.cc",
     "src/compiler/refs-map.h",
-    "src/compiler/register-allocator-verifier.cc",
-    "src/compiler/register-allocator-verifier.h",
-    "src/compiler/register-allocator.cc",
-    "src/compiler/register-allocator.h",
     "src/compiler/representation-change.cc",
     "src/compiler/representation-change.h",
     "src/compiler/schedule.cc",
@@ -1871,6 +1833,8 @@ v8_source_set("v8_base") {
     "src/compiler/scheduler.h",
     "src/compiler/select-lowering.cc",
     "src/compiler/select-lowering.h",
+    "src/compiler/serializer-for-background-compilation.cc",
+    "src/compiler/serializer-for-background-compilation.h",
     "src/compiler/simd-scalar-lowering.cc",
     "src/compiler/simd-scalar-lowering.h",
     "src/compiler/simplified-lowering.cc",
@@ -1893,7 +1857,6 @@ v8_source_set("v8_base") {
     "src/compiler/typer.h",
     "src/compiler/types.cc",
     "src/compiler/types.h",
-    "src/compiler/unwinding-info-writer.h",
     "src/compiler/value-numbering-reducer.cc",
     "src/compiler/value-numbering-reducer.h",
     "src/compiler/verifier.cc",
@@ -1902,6 +1865,9 @@ v8_source_set("v8_base") {
     "src/compiler/wasm-compiler.h",
     "src/compiler/zone-stats.cc",
     "src/compiler/zone-stats.h",
+    "src/constant-pool.cc",
+    "src/constant-pool.h",
+    "src/constants-arch.h",
     "src/contexts-inl.h",
     "src/contexts.cc",
     "src/contexts.h",
@@ -1911,6 +1877,7 @@ v8_source_set("v8_base") {
     "src/counters-inl.h",
     "src/counters.cc",
     "src/counters.h",
+    "src/cpu-features.h",
     "src/date.cc",
     "src/date.h",
     "src/dateparser-inl.h",
@@ -1923,6 +1890,8 @@ v8_source_set("v8_base") {
     "src/debug/debug-frames.cc",
     "src/debug/debug-frames.h",
     "src/debug/debug-interface.h",
+    "src/debug/debug-property-iterator.cc",
+    "src/debug/debug-property-iterator.h",
     "src/debug/debug-scope-iterator.cc",
     "src/debug/debug-scope-iterator.h",
     "src/debug/debug-scopes.cc",
@@ -1940,6 +1909,7 @@ v8_source_set("v8_base") {
     "src/deoptimize-reason.h",
     "src/deoptimizer.cc",
     "src/deoptimizer.h",
+    "src/detachable-vector.cc",
     "src/detachable-vector.h",
     "src/disasm.h",
     "src/disassembler.cc",
@@ -2061,6 +2031,7 @@ v8_source_set("v8_base") {
     "src/heap/scavenger-inl.h",
     "src/heap/scavenger.cc",
     "src/heap/scavenger.h",
+    "src/heap/slot-set.cc",
     "src/heap/slot-set.h",
     "src/heap/spaces-inl.h",
     "src/heap/spaces.cc",
@@ -2091,8 +2062,6 @@ v8_source_set("v8_base") {
     "src/icu_util.h",
     "src/identity-map.cc",
     "src/identity-map.h",
-    "src/instruction-stream.cc",
-    "src/instruction-stream.h",
     "src/interface-descriptors.cc",
     "src/interface-descriptors.h",
     "src/interpreter/block-coverage-builder.h",
@@ -2140,8 +2109,9 @@ v8_source_set("v8_base") {
     "src/interpreter/interpreter-intrinsics.h",
     "src/interpreter/interpreter.cc",
     "src/interpreter/interpreter.h",
-    "src/intl.cc",
-    "src/intl.h",
+    "src/isolate-allocator.cc",
+    "src/isolate-allocator.h",
+    "src/isolate-data.h",
     "src/isolate-inl.h",
     "src/isolate.cc",
     "src/isolate.h",
@@ -2168,7 +2138,6 @@ v8_source_set("v8_base") {
     "src/lookup-inl.h",
     "src/lookup.cc",
     "src/lookup.h",
-    "src/lsan.h",
     "src/machine-type.cc",
     "src/machine-type.h",
     "src/macro-assembler-inl.h",
@@ -2179,8 +2148,13 @@ v8_source_set("v8_base") {
     "src/math-random.h",
     "src/maybe-handles-inl.h",
     "src/maybe-handles.h",
+    "src/memcopy.cc",
+    "src/memcopy.h",
+    "src/message-template.h",
     "src/messages.cc",
     "src/messages.h",
+    "src/microtask-queue.cc",
+    "src/microtask-queue.h",
     "src/msan.h",
     "src/objects-body-descriptors-inl.h",
     "src/objects-body-descriptors.h",
@@ -2196,6 +2170,8 @@ v8_source_set("v8_base") {
     "src/objects/bigint.cc",
     "src/objects/bigint.h",
     "src/objects/builtin-function-id.h",
+    "src/objects/cell-inl.h",
+    "src/objects/cell.h",
     "src/objects/code-inl.h",
     "src/objects/code.h",
     "src/objects/compilation-cache-inl.h",
@@ -2203,15 +2179,29 @@ v8_source_set("v8_base") {
     "src/objects/debug-objects-inl.h",
     "src/objects/debug-objects.cc",
     "src/objects/debug-objects.h",
+    "src/objects/descriptor-array-inl.h",
     "src/objects/descriptor-array.h",
+    "src/objects/dictionary-inl.h",
     "src/objects/dictionary.h",
+    "src/objects/embedder-data-array-inl.h",
+    "src/objects/embedder-data-array.cc",
+    "src/objects/embedder-data-array.h",
+    "src/objects/embedder-data-slot-inl.h",
+    "src/objects/embedder-data-slot.h",
+    "src/objects/feedback-cell-inl.h",
+    "src/objects/feedback-cell.h",
     "src/objects/fixed-array-inl.h",
     "src/objects/fixed-array.h",
     "src/objects/frame-array-inl.h",
     "src/objects/frame-array.h",
     "src/objects/hash-table-inl.h",
     "src/objects/hash-table.h",
-    "src/objects/intl-objects-inl.h",
+    "src/objects/heap-number-inl.h",
+    "src/objects/heap-number.h",
+    "src/objects/heap-object-inl.h",
+    "src/objects/heap-object.h",
+    "src/objects/instance-type-inl.h",
+    "src/objects/instance-type.h",
     "src/objects/intl-objects.cc",
     "src/objects/intl-objects.h",
     "src/objects/js-array-buffer-inl.h",
@@ -2257,9 +2247,14 @@ v8_source_set("v8_base") {
     "src/objects/js-relative-time-format-inl.h",
     "src/objects/js-relative-time-format.cc",
     "src/objects/js-relative-time-format.h",
+    "src/objects/js-segment-iterator-inl.h",
+    "src/objects/js-segment-iterator.cc",
+    "src/objects/js-segment-iterator.h",
     "src/objects/js-segmenter-inl.h",
     "src/objects/js-segmenter.cc",
     "src/objects/js-segmenter.h",
+    "src/objects/js-weak-refs-inl.h",
+    "src/objects/js-weak-refs.h",
     "src/objects/literal-objects-inl.h",
     "src/objects/literal-objects.cc",
     "src/objects/literal-objects.h",
@@ -2270,9 +2265,6 @@ v8_source_set("v8_base") {
     "src/objects/maybe-object-inl.h",
     "src/objects/maybe-object.h",
     "src/objects/microtask-inl.h",
-    "src/objects/microtask-queue-inl.h",
-    "src/objects/microtask-queue.cc",
-    "src/objects/microtask-queue.h",
     "src/objects/microtask.h",
     "src/objects/module-inl.h",
     "src/objects/module.cc",
@@ -2281,6 +2273,8 @@ v8_source_set("v8_base") {
     "src/objects/name.h",
     "src/objects/object-macros-undef.h",
     "src/objects/object-macros.h",
+    "src/objects/oddball-inl.h",
+    "src/objects/oddball.h",
     "src/objects/ordered-hash-table-inl.h",
     "src/objects/ordered-hash-table.cc",
     "src/objects/ordered-hash-table.h",
@@ -2288,6 +2282,8 @@ v8_source_set("v8_base") {
     "src/objects/promise.h",
     "src/objects/property-array-inl.h",
     "src/objects/property-array.h",
+    "src/objects/property-cell-inl.h",
+    "src/objects/property-cell.h",
     "src/objects/property-descriptor-object-inl.h",
     "src/objects/property-descriptor-object.h",
     "src/objects/prototype-info-inl.h",
@@ -2299,11 +2295,17 @@ v8_source_set("v8_base") {
     "src/objects/script.h",
     "src/objects/shared-function-info-inl.h",
     "src/objects/shared-function-info.h",
+    "src/objects/slots-atomic-inl.h",
+    "src/objects/slots-inl.h",
+    "src/objects/slots.h",
     "src/objects/stack-frame-info-inl.h",
     "src/objects/stack-frame-info.h",
     "src/objects/string-inl.h",
+    "src/objects/string-table-inl.h",
     "src/objects/string-table.h",
     "src/objects/string.h",
+    "src/objects/struct-inl.h",
+    "src/objects/struct.h",
     "src/objects/template-objects.cc",
     "src/objects/template-objects.h",
     "src/objects/templates-inl.h",
@@ -2312,10 +2314,9 @@ v8_source_set("v8_base") {
     "src/optimized-compilation-info.h",
     "src/ostreams.cc",
     "src/ostreams.h",
-    "src/parsing/duplicate-finder.h",
-    "src/parsing/expression-classifier.h",
     "src/parsing/expression-scope-reparenter.cc",
     "src/parsing/expression-scope-reparenter.h",
+    "src/parsing/expression-scope.h",
     "src/parsing/func-name-inferrer.cc",
     "src/parsing/func-name-inferrer.h",
     "src/parsing/parse-info.cc",
@@ -2326,9 +2327,9 @@ v8_source_set("v8_base") {
     "src/parsing/parsing.cc",
     "src/parsing/parsing.h",
     "src/parsing/pattern-rewriter.cc",
-    "src/parsing/preparsed-scope-data-impl.h",
-    "src/parsing/preparsed-scope-data.cc",
-    "src/parsing/preparsed-scope-data.h",
+    "src/parsing/preparse-data-impl.h",
+    "src/parsing/preparse-data.cc",
+    "src/parsing/preparse-data.h",
     "src/parsing/preparser-logger.h",
     "src/parsing/preparser.cc",
     "src/parsing/preparser.h",
@@ -2344,6 +2345,7 @@ v8_source_set("v8_base") {
     "src/pending-compilation-error-handler.h",
     "src/perf-jit.cc",
     "src/perf-jit.h",
+    "src/pointer-with-payload.h",
     "src/profiler/allocation-tracker.cc",
     "src/profiler/allocation-tracker.h",
     "src/profiler/circular-queue-inl.h",
@@ -2377,6 +2379,8 @@ v8_source_set("v8_base") {
     "src/property.cc",
     "src/property.h",
     "src/prototype.h",
+    "src/ptr-compr-inl.h",
+    "src/ptr-compr.h",
     "src/regexp/bytecodes-irregexp.h",
     "src/regexp/interpreter-irregexp.cc",
     "src/regexp/interpreter-irregexp.h",
@@ -2400,8 +2404,10 @@ v8_source_set("v8_base") {
     "src/regexp/regexp-stack.h",
     "src/regexp/regexp-utils.cc",
     "src/regexp/regexp-utils.h",
+    "src/register-arch.h",
     "src/register-configuration.cc",
     "src/register-configuration.h",
+    "src/register.h",
     "src/reglist.h",
     "src/reloc-info.cc",
     "src/reloc-info.h",
@@ -2440,6 +2446,7 @@ v8_source_set("v8_base") {
     "src/runtime/runtime-typedarray.cc",
     "src/runtime/runtime-utils.h",
     "src/runtime/runtime-wasm.cc",
+    "src/runtime/runtime-weak-refs.cc",
     "src/runtime/runtime.cc",
     "src/runtime/runtime.h",
     "src/safepoint-table.cc",
@@ -2449,23 +2456,14 @@ v8_source_set("v8_base") {
     "src/simulator-base.cc",
     "src/simulator-base.h",
     "src/simulator.h",
-    "src/snapshot/builtin-deserializer-allocator.cc",
-    "src/snapshot/builtin-deserializer-allocator.h",
-    "src/snapshot/builtin-deserializer.cc",
-    "src/snapshot/builtin-deserializer.h",
-    "src/snapshot/builtin-serializer-allocator.cc",
-    "src/snapshot/builtin-serializer-allocator.h",
-    "src/snapshot/builtin-serializer.cc",
-    "src/snapshot/builtin-serializer.h",
     "src/snapshot/code-serializer.cc",
     "src/snapshot/code-serializer.h",
-    "src/snapshot/default-deserializer-allocator.cc",
-    "src/snapshot/default-deserializer-allocator.h",
-    "src/snapshot/default-serializer-allocator.cc",
-    "src/snapshot/default-serializer-allocator.h",
+    "src/snapshot/deserializer-allocator.cc",
+    "src/snapshot/deserializer-allocator.h",
     "src/snapshot/deserializer.cc",
     "src/snapshot/deserializer.h",
-    "src/snapshot/macros.h",
+    "src/snapshot/embedded-data.cc",
+    "src/snapshot/embedded-data.h",
     "src/snapshot/natives-common.cc",
     "src/snapshot/natives.h",
     "src/snapshot/object-deserializer.cc",
@@ -2474,7 +2472,15 @@ v8_source_set("v8_base") {
     "src/snapshot/partial-deserializer.h",
     "src/snapshot/partial-serializer.cc",
     "src/snapshot/partial-serializer.h",
+    "src/snapshot/read-only-deserializer.cc",
+    "src/snapshot/read-only-deserializer.h",
+    "src/snapshot/read-only-serializer.cc",
+    "src/snapshot/read-only-serializer.h",
     "src/snapshot/references.h",
+    "src/snapshot/roots-serializer.cc",
+    "src/snapshot/roots-serializer.h",
+    "src/snapshot/serializer-allocator.cc",
+    "src/snapshot/serializer-allocator.h",
     "src/snapshot/serializer-common.cc",
     "src/snapshot/serializer-common.h",
     "src/snapshot/serializer.cc",
@@ -2508,10 +2514,13 @@ v8_source_set("v8_base") {
     "src/string-stream.h",
     "src/strtod.cc",
     "src/strtod.h",
+    "src/task-utils.cc",
+    "src/task-utils.h",
     "src/third_party/siphash/halfsiphash.cc",
     "src/third_party/siphash/halfsiphash.h",
     "src/third_party/utf8-decoder/utf8-decoder.h",
-    "src/torque-assembler.h",
+    "src/thread-id.cc",
+    "src/thread-id.h",
     "src/tracing/trace-event.cc",
     "src/tracing/trace-event.h",
     "src/tracing/traced-value.cc",
@@ -2530,7 +2539,6 @@ v8_source_set("v8_base") {
     "src/turbo-assembler.h",
     "src/type-hints.cc",
     "src/type-hints.h",
-    "src/unicode-cache-inl.h",
     "src/unicode-cache.h",
     "src/unicode-decoder.cc",
     "src/unicode-decoder.h",
@@ -2539,6 +2547,7 @@ v8_source_set("v8_base") {
     "src/unicode.h",
     "src/unoptimized-compilation-info.cc",
     "src/unoptimized-compilation-info.h",
+    "src/unwinder.cc",
     "src/uri.cc",
     "src/uri.h",
     "src/utils-inl.h",
@@ -2566,12 +2575,16 @@ v8_source_set("v8_base") {
     "src/wasm/baseline/liftoff-compiler.cc",
     "src/wasm/baseline/liftoff-compiler.h",
     "src/wasm/baseline/liftoff-register.h",
+    "src/wasm/compilation-environment.h",
     "src/wasm/decoder.h",
     "src/wasm/function-body-decoder-impl.h",
     "src/wasm/function-body-decoder.cc",
     "src/wasm/function-body-decoder.h",
     "src/wasm/function-compiler.cc",
     "src/wasm/function-compiler.h",
+    "src/wasm/graph-builder-interface.cc",
+    "src/wasm/graph-builder-interface.h",
+    "src/wasm/js-to-wasm-wrapper-cache-inl.h",
     "src/wasm/jump-table-assembler.cc",
     "src/wasm/jump-table-assembler.h",
     "src/wasm/leb-helper.h",
@@ -2583,6 +2596,8 @@ v8_source_set("v8_base") {
     "src/wasm/module-compiler.h",
     "src/wasm/module-decoder.cc",
     "src/wasm/module-decoder.h",
+    "src/wasm/module-instantiate.cc",
+    "src/wasm/module-instantiate.h",
     "src/wasm/object-access.h",
     "src/wasm/signature-map.cc",
     "src/wasm/signature-map.h",
@@ -2600,6 +2615,7 @@ v8_source_set("v8_base") {
     "src/wasm/wasm-feature-flags.h",
     "src/wasm/wasm-features.cc",
     "src/wasm/wasm-features.h",
+    "src/wasm/wasm-import-wrapper-cache-inl.h",
     "src/wasm/wasm-interpreter.cc",
     "src/wasm/wasm-interpreter.h",
     "src/wasm/wasm-js.cc",
@@ -2653,7 +2669,6 @@ v8_source_set("v8_base") {
       # These source files take an unusually large amount of time to
       # compile.  Build them separately to avoid bottlenecks.
       "src/api.cc",
-      "src/code-stub-assembler.cc",
       "src/elements.cc",
       "src/heap/heap.cc",
       "src/objects.cc",
@@ -2663,16 +2678,14 @@ v8_source_set("v8_base") {
 
   if (v8_current_cpu == "x86") {
     sources += [  ### gcmole(arch:ia32) ###
-      "src/compiler/ia32/code-generator-ia32.cc",
-      "src/compiler/ia32/instruction-codes-ia32.h",
-      "src/compiler/ia32/instruction-scheduler-ia32.cc",
-      "src/compiler/ia32/instruction-selector-ia32.cc",
+      "src/compiler/backend/ia32/code-generator-ia32.cc",
+      "src/compiler/backend/ia32/instruction-codes-ia32.h",
+      "src/compiler/backend/ia32/instruction-scheduler-ia32.cc",
+      "src/compiler/backend/ia32/instruction-selector-ia32.cc",
       "src/debug/ia32/debug-ia32.cc",
       "src/ia32/assembler-ia32-inl.h",
       "src/ia32/assembler-ia32.cc",
       "src/ia32/assembler-ia32.h",
-      "src/ia32/code-stubs-ia32.cc",
-      "src/ia32/codegen-ia32.cc",
       "src/ia32/constants-ia32.h",
       "src/ia32/cpu-ia32.cc",
       "src/ia32/deoptimizer-ia32.cc",
@@ -2682,8 +2695,7 @@ v8_source_set("v8_base") {
       "src/ia32/interface-descriptors-ia32.cc",
       "src/ia32/macro-assembler-ia32.cc",
       "src/ia32/macro-assembler-ia32.h",
-      "src/ia32/simulator-ia32.cc",
-      "src/ia32/simulator-ia32.h",
+      "src/ia32/register-ia32.h",
       "src/ia32/sse-instr.h",
       "src/regexp/ia32/regexp-macro-assembler-ia32.cc",
       "src/regexp/ia32/regexp-macro-assembler-ia32.h",
@@ -2691,12 +2703,12 @@ v8_source_set("v8_base") {
     ]
   } else if (v8_current_cpu == "x64") {
     sources += [  ### gcmole(arch:x64) ###
-      "src/compiler/x64/code-generator-x64.cc",
-      "src/compiler/x64/instruction-codes-x64.h",
-      "src/compiler/x64/instruction-scheduler-x64.cc",
-      "src/compiler/x64/instruction-selector-x64.cc",
-      "src/compiler/x64/unwinding-info-writer-x64.cc",
-      "src/compiler/x64/unwinding-info-writer-x64.h",
+      "src/compiler/backend/x64/code-generator-x64.cc",
+      "src/compiler/backend/x64/instruction-codes-x64.h",
+      "src/compiler/backend/x64/instruction-scheduler-x64.cc",
+      "src/compiler/backend/x64/instruction-selector-x64.cc",
+      "src/compiler/backend/x64/unwinding-info-writer-x64.cc",
+      "src/compiler/backend/x64/unwinding-info-writer-x64.h",
       "src/debug/x64/debug-x64.cc",
       "src/regexp/x64/regexp-macro-assembler-x64.cc",
       "src/regexp/x64/regexp-macro-assembler-x64.h",
@@ -2705,8 +2717,6 @@ v8_source_set("v8_base") {
       "src/x64/assembler-x64-inl.h",
       "src/x64/assembler-x64.cc",
       "src/x64/assembler-x64.h",
-      "src/x64/code-stubs-x64.cc",
-      "src/x64/codegen-x64.cc",
       "src/x64/constants-x64.h",
       "src/x64/cpu-x64.cc",
       "src/x64/deoptimizer-x64.cc",
@@ -2717,27 +2727,28 @@ v8_source_set("v8_base") {
       "src/x64/interface-descriptors-x64.cc",
       "src/x64/macro-assembler-x64.cc",
       "src/x64/macro-assembler-x64.h",
-      "src/x64/simulator-x64.cc",
-      "src/x64/simulator-x64.h",
+      "src/x64/register-x64.h",
       "src/x64/sse-instr.h",
     ]
-    if (is_linux) {
+    if (is_linux || is_mac) {
       sources += [
-        "src/trap-handler/handler-inside-linux.cc",
-        "src/trap-handler/handler-outside-linux.cc",
+        "src/trap-handler/handler-inside-posix.cc",
+        "src/trap-handler/handler-inside-posix.h",
+        "src/trap-handler/handler-outside-posix.cc",
       ]
     }
     if (is_win) {
-      sources += [ "src/trap-handler/handler-outside-win.cc" ]
+      sources += [
+        "src/trap-handler/handler-inside-win.cc",
+        "src/trap-handler/handler-inside-win.h",
+        "src/trap-handler/handler-outside-win.cc",
+      ]
     }
   } else if (v8_current_cpu == "arm") {
     sources += [  ### gcmole(arch:arm) ###
       "src/arm/assembler-arm-inl.h",
       "src/arm/assembler-arm.cc",
       "src/arm/assembler-arm.h",
-      "src/arm/code-stubs-arm.cc",
-      "src/arm/code-stubs-arm.h",
-      "src/arm/codegen-arm.cc",
       "src/arm/constants-arm.cc",
       "src/arm/constants-arm.h",
       "src/arm/cpu-arm.cc",
@@ -2749,14 +2760,15 @@ v8_source_set("v8_base") {
       "src/arm/interface-descriptors-arm.cc",
       "src/arm/macro-assembler-arm.cc",
       "src/arm/macro-assembler-arm.h",
+      "src/arm/register-arm.h",
       "src/arm/simulator-arm.cc",
       "src/arm/simulator-arm.h",
-      "src/compiler/arm/code-generator-arm.cc",
-      "src/compiler/arm/instruction-codes-arm.h",
-      "src/compiler/arm/instruction-scheduler-arm.cc",
-      "src/compiler/arm/instruction-selector-arm.cc",
-      "src/compiler/arm/unwinding-info-writer-arm.cc",
-      "src/compiler/arm/unwinding-info-writer-arm.h",
+      "src/compiler/backend/arm/code-generator-arm.cc",
+      "src/compiler/backend/arm/instruction-codes-arm.h",
+      "src/compiler/backend/arm/instruction-scheduler-arm.cc",
+      "src/compiler/backend/arm/instruction-selector-arm.cc",
+      "src/compiler/backend/arm/unwinding-info-writer-arm.cc",
+      "src/compiler/backend/arm/unwinding-info-writer-arm.h",
       "src/debug/arm/debug-arm.cc",
       "src/regexp/arm/regexp-macro-assembler-arm.cc",
       "src/regexp/arm/regexp-macro-assembler-arm.h",
@@ -2767,9 +2779,6 @@ v8_source_set("v8_base") {
       "src/arm64/assembler-arm64-inl.h",
       "src/arm64/assembler-arm64.cc",
       "src/arm64/assembler-arm64.h",
-      "src/arm64/code-stubs-arm64.cc",
-      "src/arm64/code-stubs-arm64.h",
-      "src/arm64/codegen-arm64.cc",
       "src/arm64/constants-arm64.h",
       "src/arm64/cpu-arm64.cc",
       "src/arm64/decoder-arm64-inl.h",
@@ -2790,17 +2799,19 @@ v8_source_set("v8_base") {
       "src/arm64/macro-assembler-arm64-inl.h",
       "src/arm64/macro-assembler-arm64.cc",
       "src/arm64/macro-assembler-arm64.h",
+      "src/arm64/register-arm64.cc",
+      "src/arm64/register-arm64.h",
       "src/arm64/simulator-arm64.cc",
       "src/arm64/simulator-arm64.h",
       "src/arm64/simulator-logic-arm64.cc",
       "src/arm64/utils-arm64.cc",
       "src/arm64/utils-arm64.h",
-      "src/compiler/arm64/code-generator-arm64.cc",
-      "src/compiler/arm64/instruction-codes-arm64.h",
-      "src/compiler/arm64/instruction-scheduler-arm64.cc",
-      "src/compiler/arm64/instruction-selector-arm64.cc",
-      "src/compiler/arm64/unwinding-info-writer-arm64.cc",
-      "src/compiler/arm64/unwinding-info-writer-arm64.h",
+      "src/compiler/backend/arm64/code-generator-arm64.cc",
+      "src/compiler/backend/arm64/instruction-codes-arm64.h",
+      "src/compiler/backend/arm64/instruction-scheduler-arm64.cc",
+      "src/compiler/backend/arm64/instruction-selector-arm64.cc",
+      "src/compiler/backend/arm64/unwinding-info-writer-arm64.cc",
+      "src/compiler/backend/arm64/unwinding-info-writer-arm64.h",
       "src/debug/arm64/debug-arm64.cc",
       "src/regexp/arm64/regexp-macro-assembler-arm64.cc",
       "src/regexp/arm64/regexp-macro-assembler-arm64.h",
@@ -2815,17 +2826,14 @@ v8_source_set("v8_base") {
     }
   } else if (v8_current_cpu == "mips" || v8_current_cpu == "mipsel") {
     sources += [  ### gcmole(arch:mipsel) ###
-      "src/compiler/mips/code-generator-mips.cc",
-      "src/compiler/mips/instruction-codes-mips.h",
-      "src/compiler/mips/instruction-scheduler-mips.cc",
-      "src/compiler/mips/instruction-selector-mips.cc",
+      "src/compiler/backend/mips/code-generator-mips.cc",
+      "src/compiler/backend/mips/instruction-codes-mips.h",
+      "src/compiler/backend/mips/instruction-scheduler-mips.cc",
+      "src/compiler/backend/mips/instruction-selector-mips.cc",
       "src/debug/mips/debug-mips.cc",
       "src/mips/assembler-mips-inl.h",
       "src/mips/assembler-mips.cc",
       "src/mips/assembler-mips.h",
-      "src/mips/code-stubs-mips.cc",
-      "src/mips/code-stubs-mips.h",
-      "src/mips/codegen-mips.cc",
       "src/mips/constants-mips.cc",
       "src/mips/constants-mips.h",
       "src/mips/cpu-mips.cc",
@@ -2836,6 +2844,7 @@ v8_source_set("v8_base") {
       "src/mips/interface-descriptors-mips.cc",
       "src/mips/macro-assembler-mips.cc",
       "src/mips/macro-assembler-mips.h",
+      "src/mips/register-mips.h",
       "src/mips/simulator-mips.cc",
       "src/mips/simulator-mips.h",
       "src/regexp/mips/regexp-macro-assembler-mips.cc",
@@ -2844,17 +2853,14 @@ v8_source_set("v8_base") {
     ]
   } else if (v8_current_cpu == "mips64" || v8_current_cpu == "mips64el") {
     sources += [  ### gcmole(arch:mips64el) ###
-      "src/compiler/mips64/code-generator-mips64.cc",
-      "src/compiler/mips64/instruction-codes-mips64.h",
-      "src/compiler/mips64/instruction-scheduler-mips64.cc",
-      "src/compiler/mips64/instruction-selector-mips64.cc",
+      "src/compiler/backend/mips64/code-generator-mips64.cc",
+      "src/compiler/backend/mips64/instruction-codes-mips64.h",
+      "src/compiler/backend/mips64/instruction-scheduler-mips64.cc",
+      "src/compiler/backend/mips64/instruction-selector-mips64.cc",
       "src/debug/mips64/debug-mips64.cc",
       "src/mips64/assembler-mips64-inl.h",
       "src/mips64/assembler-mips64.cc",
       "src/mips64/assembler-mips64.h",
-      "src/mips64/code-stubs-mips64.cc",
-      "src/mips64/code-stubs-mips64.h",
-      "src/mips64/codegen-mips64.cc",
       "src/mips64/constants-mips64.cc",
       "src/mips64/constants-mips64.h",
       "src/mips64/cpu-mips64.cc",
@@ -2865,6 +2871,7 @@ v8_source_set("v8_base") {
       "src/mips64/interface-descriptors-mips64.cc",
       "src/mips64/macro-assembler-mips64.cc",
       "src/mips64/macro-assembler-mips64.h",
+      "src/mips64/register-mips64.h",
       "src/mips64/simulator-mips64.cc",
       "src/mips64/simulator-mips64.h",
       "src/regexp/mips64/regexp-macro-assembler-mips64.cc",
@@ -2873,17 +2880,14 @@ v8_source_set("v8_base") {
     ]
   } else if (v8_current_cpu == "ppc" || v8_current_cpu == "ppc64") {
     sources += [  ### gcmole(arch:ppc) ###
-      "src/compiler/ppc/code-generator-ppc.cc",
-      "src/compiler/ppc/instruction-codes-ppc.h",
-      "src/compiler/ppc/instruction-scheduler-ppc.cc",
-      "src/compiler/ppc/instruction-selector-ppc.cc",
+      "src/compiler/backend/ppc/code-generator-ppc.cc",
+      "src/compiler/backend/ppc/instruction-codes-ppc.h",
+      "src/compiler/backend/ppc/instruction-scheduler-ppc.cc",
+      "src/compiler/backend/ppc/instruction-selector-ppc.cc",
       "src/debug/ppc/debug-ppc.cc",
       "src/ppc/assembler-ppc-inl.h",
       "src/ppc/assembler-ppc.cc",
       "src/ppc/assembler-ppc.h",
-      "src/ppc/code-stubs-ppc.cc",
-      "src/ppc/code-stubs-ppc.h",
-      "src/ppc/codegen-ppc.cc",
       "src/ppc/constants-ppc.cc",
       "src/ppc/constants-ppc.h",
       "src/ppc/cpu-ppc.cc",
@@ -2894,6 +2898,7 @@ v8_source_set("v8_base") {
       "src/ppc/interface-descriptors-ppc.cc",
       "src/ppc/macro-assembler-ppc.cc",
       "src/ppc/macro-assembler-ppc.h",
+      "src/ppc/register-ppc.h",
       "src/ppc/simulator-ppc.cc",
       "src/ppc/simulator-ppc.h",
       "src/regexp/ppc/regexp-macro-assembler-ppc.cc",
@@ -2902,19 +2907,16 @@ v8_source_set("v8_base") {
     ]
   } else if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
     sources += [  ### gcmole(arch:s390) ###
-      "src/compiler/s390/code-generator-s390.cc",
-      "src/compiler/s390/instruction-codes-s390.h",
-      "src/compiler/s390/instruction-scheduler-s390.cc",
-      "src/compiler/s390/instruction-selector-s390.cc",
+      "src/compiler/backend/s390/code-generator-s390.cc",
+      "src/compiler/backend/s390/instruction-codes-s390.h",
+      "src/compiler/backend/s390/instruction-scheduler-s390.cc",
+      "src/compiler/backend/s390/instruction-selector-s390.cc",
       "src/debug/s390/debug-s390.cc",
       "src/regexp/s390/regexp-macro-assembler-s390.cc",
       "src/regexp/s390/regexp-macro-assembler-s390.h",
       "src/s390/assembler-s390-inl.h",
       "src/s390/assembler-s390.cc",
       "src/s390/assembler-s390.h",
-      "src/s390/code-stubs-s390.cc",
-      "src/s390/code-stubs-s390.h",
-      "src/s390/codegen-s390.cc",
       "src/s390/constants-s390.cc",
       "src/s390/constants-s390.h",
       "src/s390/cpu-s390.cc",
@@ -2925,6 +2927,7 @@ v8_source_set("v8_base") {
       "src/s390/interface-descriptors-s390.cc",
       "src/s390/macro-assembler-s390.cc",
       "src/s390/macro-assembler-s390.h",
+      "src/s390/register-s390.h",
       "src/s390/simulator-s390.cc",
       "src/s390/simulator-s390.h",
       "src/wasm/baseline/s390/liftoff-assembler-s390.h",
@@ -2936,7 +2939,7 @@ v8_source_set("v8_base") {
   defines = []
   deps = [
     ":generate_bytecode_builtins_list",
-    ":torque_generated_core",
+    ":run_torque",
     ":v8_headers",
     ":v8_libbase",
     ":v8_libsampler",
@@ -2954,9 +2957,6 @@ v8_source_set("v8_base") {
     sources -= [
       "src/builtins/builtins-intl.cc",
       "src/char-predicates.cc",
-      "src/intl.cc",
-      "src/intl.h",
-      "src/objects/intl-objects-inl.h",
       "src/objects/intl-objects.cc",
       "src/objects/intl-objects.h",
       "src/objects/js-break-iterator-inl.h",
@@ -2983,6 +2983,9 @@ v8_source_set("v8_base") {
       "src/objects/js-relative-time-format-inl.h",
       "src/objects/js-relative-time-format.cc",
       "src/objects/js-relative-time-format.h",
+      "src/objects/js-segment-iterator-inl.h",
+      "src/objects/js-segment-iterator.cc",
+      "src/objects/js-segment-iterator.h",
       "src/objects/js-segmenter-inl.h",
       "src/objects/js-segmenter.cc",
       "src/objects/js-segmenter.h",
@@ -3030,8 +3033,6 @@ v8_source_set("torque_base") {
     "src/torque/implementation-visitor.h",
     "src/torque/instructions.cc",
     "src/torque/instructions.h",
-    "src/torque/scope.cc",
-    "src/torque/scope.h",
     "src/torque/source-positions.cc",
     "src/torque/source-positions.h",
     "src/torque/torque-parser.cc",
@@ -3076,6 +3077,7 @@ v8_component("v8_libbase") {
     "src/base/debug/stack_trace.h",
     "src/base/division-by-constant.cc",
     "src/base/division-by-constant.h",
+    "src/base/enum-set.h",
     "src/base/export-template.h",
     "src/base/file-utils.cc",
     "src/base/file-utils.h",
@@ -3099,6 +3101,7 @@ v8_component("v8_libbase") {
     "src/base/once.cc",
     "src/base/once.h",
     "src/base/optional.h",
+    "src/base/overflowing-math.h",
     "src/base/page-allocator.cc",
     "src/base/page-allocator.h",
     "src/base/platform/condition-variable.cc",
@@ -3118,6 +3121,7 @@ v8_component("v8_libbase") {
     "src/base/safe_conversions_impl.h",
     "src/base/safe_math.h",
     "src/base/safe_math_impl.h",
+    "src/base/small-vector.h",
     "src/base/sys-info.cc",
     "src/base/sys-info.h",
     "src/base/template-utils.h",
@@ -3229,6 +3233,14 @@ v8_component("v8_libbase") {
     data_deps += [ "//build/win:runtime_libs" ]
   }
 
+  if (v8_current_cpu == "mips" || v8_current_cpu == "mips64") {
+    # Add runtime libs for mips.
+    data += [
+      "tools/mips_toolchain/sysroot/usr/lib/",
+      "tools/mips_toolchain/mips-mti-linux-gnu/lib",
+    ]
+  }
+
   if (is_tsan && !build_with_chromium) {
     data += [ "tools/sanitizers/tsan_suppressions.txt" ]
   }
@@ -3368,6 +3380,8 @@ if (v8_use_snapshot && current_toolchain == v8_snapshot_toolchain) {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     sources = [
+      "src/snapshot/embedded-file-writer.cc",
+      "src/snapshot/embedded-file-writer.h",
       "src/snapshot/mksnapshot.cc",
     ]
 
@@ -3381,6 +3395,10 @@ if (v8_use_snapshot && current_toolchain == v8_snapshot_toolchain) {
       ":v8_nosnapshot",
       "//build/win:default_exe_manifest",
     ]
+
+    if (target_os == "fuchsia") {
+      defines = [ "V8_TARGET_OS_FUCHSIA" ]
+    }
   }
 }
 
@@ -3458,8 +3476,12 @@ group("v8_archive") {
 
   deps = [
     ":d8",
-    "test/cctest:cctest",
   ]
+
+  if (!is_win) {
+    # On windows, cctest doesn't link with v8_static_library.
+    deps += [ "test/cctest:cctest" ]
+  }
 }
 
 # TODO(dglazkov): Remove the "!build_with_chromium" condition once this clause
@@ -3491,14 +3513,7 @@ group("v8_fuzzers") {
     ":v8_simple_wasm_async_fuzzer",
     ":v8_simple_wasm_code_fuzzer",
     ":v8_simple_wasm_compile_fuzzer",
-    ":v8_simple_wasm_data_section_fuzzer",
-    ":v8_simple_wasm_function_sigs_section_fuzzer",
     ":v8_simple_wasm_fuzzer",
-    ":v8_simple_wasm_globals_section_fuzzer",
-    ":v8_simple_wasm_imports_section_fuzzer",
-    ":v8_simple_wasm_memory_section_fuzzer",
-    ":v8_simple_wasm_names_section_fuzzer",
-    ":v8_simple_wasm_types_section_fuzzer",
   ]
 }
 
@@ -3568,11 +3583,13 @@ if (is_component_build) {
 
 v8_executable("d8") {
   sources = [
-    "$target_gen_dir/d8-js.cc",
     "src/async-hooks-wrapper.cc",
     "src/async-hooks-wrapper.h",
     "src/d8-console.cc",
     "src/d8-console.h",
+    "src/d8-js.cc",
+    "src/d8-platforms.cc",
+    "src/d8-platforms.h",
     "src/d8.cc",
     "src/d8.h",
   ]
@@ -3585,7 +3602,6 @@ v8_executable("d8") {
   ]
 
   deps = [
-    ":d8_js2c",
     ":v8",
     ":v8_libbase",
     ":v8_libplatform",
@@ -3787,7 +3803,7 @@ v8_source_set("wasm_module_runner") {
 
   deps = [
     ":generate_bytecode_builtins_list",
-    ":torque_generated_core",
+    ":run_torque",
   ]
 
   if (v8_enable_i18n_support) {
@@ -3871,7 +3887,7 @@ v8_source_set("lib_wasm_fuzzer_common") {
 
   deps = [
     ":generate_bytecode_builtins_list",
-    ":torque_generated_core",
+    ":run_torque",
   ]
 
   if (v8_enable_i18n_support) {
@@ -3886,129 +3902,10 @@ v8_source_set("lib_wasm_fuzzer_common") {
   ]
 }
 
-v8_source_set("wasm_types_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-types-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_types_section_fuzzer") {
-}
-
-v8_source_set("wasm_names_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-names-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_names_section_fuzzer") {
-}
-
-v8_source_set("wasm_globals_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-globals-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_globals_section_fuzzer") {
-}
-
-v8_source_set("wasm_imports_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-imports-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_imports_section_fuzzer") {
-}
-
-v8_source_set("wasm_function_sigs_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-function-sigs-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_function_sigs_section_fuzzer") {
-}
-
-v8_source_set("wasm_memory_section_fuzzer") {
-  sources = [
-    "test/fuzzer/wasm-memory-section.cc",
-  ]
-
-  deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
-  ]
-}
-
-v8_fuzzer("wasm_memory_section_fuzzer") {
-}
-
-v8_source_set("wasm_data_section_fuzzer") {
+v8_source_set("wasm_compile_fuzzer") {
   sources = [
-    "test/fuzzer/wasm-data-section.cc",
+    "test/common/wasm/test-signatures.h",
+    "test/fuzzer/wasm-compile.cc",
   ]
 
   deps = [
@@ -4023,26 +3920,18 @@ v8_source_set("wasm_data_section_fuzzer") {
   ]
 }
 
-v8_fuzzer("wasm_data_section_fuzzer") {
+v8_fuzzer("wasm_compile_fuzzer") {
 }
 
-v8_source_set("wasm_compile_fuzzer") {
-  sources = [
-    "test/common/wasm/test-signatures.h",
-    "test/fuzzer/wasm-compile.cc",
-  ]
+# Target to build all generated .cc files.
+group("v8_generated_cc_files") {
+  testonly = true
 
   deps = [
-    ":fuzzer_support",
-    ":lib_wasm_fuzzer_common",
-    ":wasm_module_runner",
-  ]
-
-  configs = [
-    ":external_config",
-    ":internal_config_base",
+    ":generate_bytecode_builtins_list",
+    ":js2c_extras",
+    ":run_torque",
+    "src/inspector:v8_generated_cc_files",
+    "test/cctest:v8_generated_cc_files",
   ]
 }
-
-v8_fuzzer("wasm_compile_fuzzer") {
-}