github/electron
1
1
Fork 0
mirror of https://github.com/electron/electron.git synced 2026-04-10 03:01:51 -04:00
Code Issues Packages Projects Releases Wiki Activity

chore: cherry-pick 05ccacee14 from v8. (#32218)

Browse Source 
Co-authored-by: Electron Bot <electron@github.com>
This commit is contained in:
Pedro Pontes
2022-01-04 08:05:51 +01:00
committed by GitHub
parent 776ee48330
commit aa49093fb7
2 changed files with 104 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
patches/v8/.patches
View File

@@ -23,4 +23,5 @@ cherry-pick-feef10137b16.patch
cherry-pick-014e1f857c33.patch
cherry-pick-5d2b5e7c006c.patch
cherry-pick-418c276ef228.patch
version_9_6_180_13_cherry-pick.patch
merged_allow_compiled_module_invalidation_at_wasmstreaming_finish.patch

103
patches/v8/version_9_6_180_13_cherry-pick.patch Normal file
View File

@@ -0,0 +1,103 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Leszek Swirski <leszeks@google.com>
Date: Fri, 19 Nov 2021 12:12:03 +0100
Subject: Version 9.6.180.13 (cherry-pick)
Merged 85ab0ad7789a7188b4c0b2be3cd3d758134c7de6
Reland "[runtime] Reset clobbered argument in DefineClass"
R=ishell@chromium.org
Change-Id: I892729eafe841e57b853f0d0a885e05847efe547
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3289176
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/branch-heads/9.6@{#24}
Cr-Branched-From: 0b7bda016178bf438f09b3c93da572ae3663a1f7-refs/heads/9.6.180@{#1}
Cr-Branched-From: 41a5a247d9430b953e38631e88d17790306f7a4c-refs/heads/main@{#77244}
diff --git a/include/v8-version.h b/include/v8-version.h
index 9ea2e925361ef2c967d6cc243657908e544655a8..f3a1b645be1ba731e39f0e0a846ea9be22508875 100644
--- a/include/v8-version.h
+++ b/include/v8-version.h
@@ -11,7 +11,7 @@
#define V8_MAJOR_VERSION 9
#define V8_MINOR_VERSION 1
#define V8_BUILD_NUMBER 269
-#define V8_PATCH_LEVEL 39
+#define V8_PATCH_LEVEL 40
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
diff --git a/src/execution/arguments-inl.h b/src/execution/arguments-inl.h
index 0be2325837189d48e3aae36fb611f7fa67041a31..2f69cd7adc4107e3dcc0dc012a3cffb55b9fa05e 100644
--- a/src/execution/arguments-inl.h
+++ b/src/execution/arguments-inl.h
@@ -14,6 +14,15 @@
namespace v8 {
namespace internal {
+template <ArgumentsType T>
+Arguments<T>::ChangeValueScope::ChangeValueScope(Isolate* isolate,
+ Arguments* args, int index,
+ Object value)
+ : location_(args->address_of_arg_at(index)) {
+ old_value_ = handle(Object(*location_), isolate);
+ *location_ = value.ptr();
+}
+
template <ArgumentsType T>
int Arguments<T>::smi_at(int index) const {
return Smi::ToInt(Object(*address_of_arg_at(index)));
diff --git a/src/execution/arguments.h b/src/execution/arguments.h
index 39877cf4d293ae0c1364bd1a03fa5e2550ff442c..de70619d69eefcd6f476ea17806328a018aabf19 100644
--- a/src/execution/arguments.h
+++ b/src/execution/arguments.h
@@ -33,6 +33,18 @@ namespace internal {
template <ArgumentsType arguments_type>
class Arguments {
public:
+ // Scope to temporarily change the value of an argument.
+ class ChangeValueScope {
+ public:
+ inline ChangeValueScope(Isolate* isolate, Arguments* args, int index,
+ Object value);
+ ~ChangeValueScope() { *location_ = old_value_->ptr(); }
+
+ private:
+ Address* location_;
+ Handle<Object> old_value_;
+ };
+
Arguments(int length, Address* arguments)
: length_(length), arguments_(arguments) {
DCHECK_GE(length_, 0);
@@ -51,10 +63,6 @@ class Arguments {
inline double number_at(int index) const;
- inline void set_at(int index, Object value) {
- *address_of_arg_at(index) = value.ptr();
- }
-
inline FullObjectSlot slot_at(int index) const {
return FullObjectSlot(address_of_arg_at(index));
}
diff --git a/src/runtime/runtime-classes.cc b/src/runtime/runtime-classes.cc
index 120f2441a79414e1b9508cfbf15b00547db5790a..c6362e294c7b34a49f9cfa4f7b9d9cdd77b980ae 100644
--- a/src/runtime/runtime-classes.cc
+++ b/src/runtime/runtime-classes.cc
@@ -650,7 +650,12 @@ MaybeHandle<Object> DefineClass(
Handle<JSObject> prototype = CreateClassPrototype(isolate);
DCHECK_EQ(*constructor, args[ClassBoilerplate::kConstructorArgumentIndex]);
- args.set_at(ClassBoilerplate::kPrototypeArgumentIndex, *prototype);
+ // Temporarily change ClassBoilerplate::kPrototypeArgumentIndex for the
+ // subsequent calls, but use a scope to make sure to change it back before
+ // returning, to not corrupt the caller's argument frame (in particular, for
+ // the interpreter, to not clobber the register frame).
+ RuntimeArguments::ChangeValueScope set_prototype_value_scope(
+ isolate, &args, ClassBoilerplate::kPrototypeArgumentIndex, *prototype);
if (!InitClassConstructor(isolate, class_boilerplate, constructor_parent,
constructor, args) ||