This doesn’t have much practical effect, since the actual
byte contents referred to by `StartupData` are already marked
`const`, but adding the qualifier communicates more clearly
to users that V8 does not perform modifications on the object.
Practically speaking, this also allows for cases in which the
startup data is included as readonly data in the current executable
without requiring a `const_cast`.
Refs: https://github.com/nodejs/node/pull/45786#discussion_r1043489245
Change-Id: I53075ebb493c3617e470decb601b803f5294848d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4089203
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84764}
Reuse the stack object that V8 maintains via ThreadLocalTop for
CppHeap. This allows CppHeap to be migrated across threads, similar
to Isolate, when used with Locker.
Bug: v8:13207
Change-Id: I4c865f4eeb79257ed720cf46e42b27589fcf555e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4013799
Reviewed-by: Omer Katz <omerkatz@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84126}
It's been enabled by default since Chromium M95.
Also removes duplicate setup code for WebAssembly.Tag JS API
from WasmJs::InstallConditionalFeatures, since we're guaranteed
to set it up via the non-conditional WasmJs::Install.
Bug: v8:8091
Change-Id: Ic500feb655ad4fc0703ed226504847ca6d940537
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3996810
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84074}
It's been enabled by default since Chrome 91.
Bug: v8:6020
Change-Id: Id26b7fb0b7dffe19a88a6f0071dd59203b06415a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3957636
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83862}
Currently the ability to create shared isolates is partially exposed to
API. Instead of fully exposing it, this CL makes shared isolate and
shared heap handling transparent to the embedder.
If a flag that requires the shared heap is true (currently
--shared-string-table and --harmony-struct), the first isolate created
in the process will create and attach to a process-wide shared isolate.
Subsequent isolates will attach to that shared isolate. When that first isolate is deleted, the shared isolate is also deleted.
Bug: v8:12547
Change-Id: Idaf2947bc354066c44f2d10243e10162b1b7e4d6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3848825
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Owners-Override: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82756}
.. to track how often OSR is used in the real world.
Chromium CL: crrev.com/c/3853648
Bug: v8:13228
Change-Id: I9aee2eefb8a7b479e6ade403f46bfd7eac9ac5cd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3852388
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82685}
Users should rely on CppHeap which is the only supported way of using
v8::TracedReference in going forward.
Bug: v8:13207
Change-Id: Idd03f458167c74b06f285bb568e5c77ad46003fe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3849037
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82681}
This is deprecated since 10.5 and replaced by the new callback which
receives more OOM details.
R=mlippautz@chromium.org
Bug: chromium:1323177
Change-Id: I9385da33c3d9227144ebc47d6dddae702701ff82
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3789509
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82033}
Advance the deprecation of structs, classes, and methods which do not
make sense any more after dynamic tiering.
They were marked V8_DEPRECATE_SOON in 10.5.
R=mlippautz@chromium.org
Bug: v8:12899
Change-Id: I12b21f7d968a161b285b558d6e2437b0d03ef696
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3789510
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82023}
The implicit copy constructor triggers a deprecation warning if the
struct contains a deprecated field. We can fix this by explicitly
declaring the copy and move constructors and assignment operators
with the deprecation warning disabled.
This CL also adds a test to check that we can indeed call the
constructors and assignment operators, which did not work before.
R=leszeks@chromium.org
Bug: v8:13092
Change-Id: Ia63ff9375de13fc6e5b5a8d59d827a742c99fb39
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3785145
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81962}
Asynchronous WebAssembly compilation returns the compilation result
through resolving a result promise. So far the result promise was
resolved through V8-internal APIs. This caused problems, because
resolving promises requires correct handling of microtasks, and
microtasks are controlled by the embedder, and not by V8.
This CL adds an API to allow the embedder to resolve the result
promise itself, and handle microtasks as necessary.
The use of the new API is available in a full CL, without API dance:
https://chromium-review.googlesource.com/c/v8/v8/+/3694975R=cbruni@chromium.org
Bug: v8:12953
Change-Id: Ie9a56041f2d3e0c46664f1938e995f1e2c22f981
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695584
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81141}
Deprecate the LegacyOOMErrorCallback in the 10.5 branch. Embedders are
expected to switch to OOMErrorCallback.
The deprecated LegacyOOMErrorCallback will then be removed in the 10.6
branch.
R=mlippautz@chromium.org
Bug: chromium:1323177
Change-Id: I83001bec760848ef39f0638ed5c5c9eaa7cdb6eb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3646014
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81092}
Dynamic tiering is now enabled by default, and the origin trial is
expired, so the callback can be removed.
The callback was already never called, because the flag value is always
checked first.
R=ahaas@chromium.org, mlippautz@chromium.org
Bug: v8:12281
Change-Id: I58eaa210c86024128328a13ba07bb8fc1b437841
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3644951
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80633}
This adds a new struct "OOMDetails" which is passed to the
OOMErrorCallback. It currently holds the "is_heap_oom" bool that was
also passed before, plus an optional "detail" string.
The struct can later be extended without having to change the signature
of the OOMErrorCallback. Removing fields will have to follow the
standard deprecation rules, but this is also easily possible without the
hassle for this initial change.
We modify the deprecated OOMErrorCallback definition and un-deprecate it,
which can be seen as removing a deprecated API and adding a new one in
one CL.
R=mlippautz@chromium.org, jkummerow@chromium.org
Bug: chromium:1323177
Change-Id: Ic4c2cb5856906ebd664626fe463d8e96cb99b0a5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3647827
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80565}
Deprecate the OOMErrorCallback such that we can add a new parameter for
OOM details.
R=mlippautz@chromium.org
Bug: chromium:1323177
Change-Id: I72c931ad0d1b75cda46e8815387098acbe091c68
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3632106
Reviewed-by: Lutz Vahl <vahl@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80453}
This adds a typedef for LegacyOOMErrorCallback, which is identical to
OOMErrorCallback. Embedders will need to switch to
LegacyOOMErrorCallback so that we can change the definition of
OOMErrorCallback (see https://crbug.com/1323177).
R=mlippautz@chromium.org
Bug: chromium:1323177
Change-Id: I92312a577ca49e0174f2bb6b914cc11c3a0b0fc1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3632305
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80424}
* Prefix all isolate variables with i_ for i::Isolate and
v8_ for v8::Isolate
* Change _DO_NOT_USE macro suffix to _INTERNAL
Change-Id: I005efbe0192cf202741448c63a4263e6a4b1fa1b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610429
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80252}
When moving forward and optimizing internals, these APIs cannot be
trusted anymore as their semantics are tangled to the current
implementation.
Bug: v8:12819
Change-Id: I0e3370724307a420ee42fed8070b55542be9400d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3599475
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80082}
This will enable proper reporting of OOM errors during snapshot
deserialization, for example https://crbug.com/614440#c27.
Bug: chromium:614440
Change-Id: I226fb763d2630d0b21f7552070ed1a4cc222f69b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3445203
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Kevin Babbitt <kbabbitt@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#79055}
Use grep to check for obviously unneeded includes. e.g. headers that
include <vector> but does not contain "std::vector".
Change-Id: I43a9e9f01e072fd495918d28ca4cdad5cfa0294c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3354400
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78613}
This CL removes registration of CppHeap as a remote tracer, and
revises LocalEmbedderHeapTracer as a switching point between CppHeap
and a remote tracer. Currently it is assumed that CppHeap and a remote
tracer are mutually exclusive and only one can be used at any given
time.
Bug: v8:12407
Change-Id: I53513d181ab63f56a88f05c3b76b47ac4dffe86f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3289167
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78132}
Once CppHeap moves away from EmbedderHeapTracer, it can no longer be
returned by Isolate::GetEmbedderHeapTracer. Blink currently uses
GetEmbedderHeapTracer to trigger GCs. This CL introduces a variant of
Isolate::RequestGarbageCollectionForTesting to replace that.
Bug: v8:12407
Change-Id: I099989f55291a0daab7d2051072dedddef58dd40
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3293413
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78015}
The new callback does no longer use ScriptOrModule but rather gets the
host-defined options and the referrer name as separate arguments.
This brings us one step closer to deprecate ScriptOrModule and putting
the host-defined options in the script context.
- Add v8::Data::IsFixedArray and cast helpers
- Deprecate HostImportModuleDynamicallyWithImportAssertionsCallback soon
- Add Script::Run entry point that explicitly takes host-defined
options (unused yet)
Bug: chromium:1244145
Change-Id: I08bc92cfb3b79d840e766fb71b8d91d301f4399c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3263893
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77733}
This CL reorders the initialization scheme for shared and client
Isolates such that clients attach to the shared Isolate before
setting up the Heap. This is to support sharing the string table.
Bug: v8:12007
Change-Id: Icb0e40cc5ed84d516c8073a70d0f769f517044c9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3039264
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77307}
WebAssembly dynamic tiering should be tested with an origin trial. For
the origin trial the feature flag value has to be loaded from blink.
This CL stores the value of the --wasm-dynamic-tiering flag in the
compilation state, from where it gets passed forward to all uses of the
flag. The flag value gets loaded from blink when a new NativeModule is
created.
R=clemensb@chromium.org
Bug: v8:12281
Change-Id: Ia26355a665b7dfcdb47144863c1bec296774abb2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3204963
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77256}
This is a reland of d1b27019d3
Fixes include:
Adding missing file to bazel build
Forward-declaring classing before friend-classing them to fix win/gcc
Add missing v8-isolate.h include for vtune builds
Original change's description:
> [include] Split out v8.h
>
> This moves every single class/function out of include/v8.h into a
> separate header in include/, which v8.h then includes so that
> externally nothing appears to have changed.
>
> Every include of v8.h from inside v8 has been changed to a more
> fine-grained include.
>
> Previously inline functions defined at the bottom of v8.h would call
> private non-inline functions in the V8 class. Since that class is now
> in v8-initialization.h and is rarely included (as that would create
> dependency cycles), this is not possible and so those methods have been
> moved out of the V8 class into the namespace v8::api_internal.
>
> None of the previous files in include/ now #include v8.h, which means
> if embedders were relying on this transitive dependency then it will
> give compile failures.
>
> v8-inspector.h does depend on v8-scripts.h for the time being to ensure
> that Chrome continue to compile but that change will be reverted once
> those transitive #includes in chrome are changed to include it directly.
>
> Full design:
> https://docs.google.com/document/d/1rTD--I8hCAr-Rho1WTumZzFKaDpEp0IJ8ejZtk4nJdA/edit?usp=sharing
>
> Bug: v8:11965
> Change-Id: I53b84b29581632710edc80eb11f819c2097a2877
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3097448
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Commit-Queue: Dan Elphick <delphick@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#76424}
Cq-Include-Trybots: luci.v8.try:v8_linux_vtunejit
Bug: v8:11965
Change-Id: I99f5d3a73bf8fe25b650adfaf9567dc4e44a09e6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3113629
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76460}
This reverts commit d1b27019d3.
Reason for revert: Broke vtune build, tsan build and possibly others
Original change's description:
> [include] Split out v8.h
>
> This moves every single class/function out of include/v8.h into a
> separate header in include/, which v8.h then includes so that
> externally nothing appears to have changed.
>
> Every include of v8.h from inside v8 has been changed to a more
> fine-grained include.
>
> Previously inline functions defined at the bottom of v8.h would call
> private non-inline functions in the V8 class. Since that class is now
> in v8-initialization.h and is rarely included (as that would create
> dependency cycles), this is not possible and so those methods have been
> moved out of the V8 class into the namespace v8::api_internal.
>
> None of the previous files in include/ now #include v8.h, which means
> if embedders were relying on this transitive dependency then it will
> give compile failures.
>
> v8-inspector.h does depend on v8-scripts.h for the time being to ensure
> that Chrome continue to compile but that change will be reverted once
> those transitive #includes in chrome are changed to include it directly.
>
> Full design:
> https://docs.google.com/document/d/1rTD--I8hCAr-Rho1WTumZzFKaDpEp0IJ8ejZtk4nJdA/edit?usp=sharing
>
> Bug: v8:11965
> Change-Id: I53b84b29581632710edc80eb11f819c2097a2877
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3097448
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Commit-Queue: Dan Elphick <delphick@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#76424}
Bug: v8:11965
Change-Id: Id57313ae992e720c8b19abc975cd69729e1344aa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3113627
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Owners-Override: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76428}
This moves every single class/function out of include/v8.h into a
separate header in include/, which v8.h then includes so that
externally nothing appears to have changed.
Every include of v8.h from inside v8 has been changed to a more
fine-grained include.
Previously inline functions defined at the bottom of v8.h would call
private non-inline functions in the V8 class. Since that class is now
in v8-initialization.h and is rarely included (as that would create
dependency cycles), this is not possible and so those methods have been
moved out of the V8 class into the namespace v8::api_internal.
None of the previous files in include/ now #include v8.h, which means
if embedders were relying on this transitive dependency then it will
give compile failures.
v8-inspector.h does depend on v8-scripts.h for the time being to ensure
that Chrome continue to compile but that change will be reverted once
those transitive #includes in chrome are changed to include it directly.
Full design:
https://docs.google.com/document/d/1rTD--I8hCAr-Rho1WTumZzFKaDpEp0IJ8ejZtk4nJdA/edit?usp=sharing
Bug: v8:11965
Change-Id: I53b84b29581632710edc80eb11f819c2097a2877
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3097448
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76424}
