The two names refer to the same thing by now, so this patch is
entirely mechanical.
Bug: v8:3770
Change-Id: Ia360c06c89af6b3da27fd21bbcaeb2bdaa28ce22
Reviewed-on: https://chromium-review.googlesource.com/c/1397705
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58615}
- Removes the last `CORE` JS native script: `prologue.js`.
- Removes build step and bootstrapping associated with building/loading `CORE` JS natives.
- Removes `natives_utils_object` from context.
- Deprecates `--expose-natives-as` flag.
- Ports extra utils functions to C++ (`uncurryThis`) or Torque
(`createPrivateSymbol`, `markPromiseAsHandled`, and `promiseState`).
- Move extra utils constants initialization into bootstrapper
(`kPROMISE_PENDING`, `kPROMISE_FULFILLED`, `kPROMISE_REJECTED`).
- Removes unused extra utils functions `log` and `logStackTrace`.
Drive-by: Added test coverage for Array#includes being an unscopeable.
Bug: v8:7624
Change-Id: I5d983f8d11b76cb4dd3c2c67592ce1dc88364cd9
Reviewed-on: https://chromium-review.googlesource.com/c/1381672
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Peter Wong <peter.wm.wong@gmail.com>
Cr-Commit-Position: refs/heads/master@{#58577}
This reverts commit 97628eeeb9.
Reason for revert: breaks compilation in Lite mode, which does not allow overriding of certain flags. See https://logs.chromium.org/logs/v8/buildbucket/cr-buildbucket.appspot.com/8926078411629093216/+/steps/build/0/steps/compile/0/stdout.
Original change's description:
> [error] extend error stack w/ function parameters
>
> Extend FrameArray to hold weak references to parameters for functions in
> the call stack. The goal here is to provide more metadata for postmortem
> tools (such as llnode), especially in cases of rethrowing (this will be
> particularly useful when using postmortem with promises on Node.js).
>
> Besides postmortem, these changes allow us to print a more detailed
> stack trace for errors with parameters types (or even values), which can
> be useful since JavaScript functions can receive any number of
> parameters of any type, and having a function behave differently
> according to the number of parameters received as well as their types is
> a common pattern on JS libraries and frameworks.
>
> R=bmeurer@google.com, yangguo@google.com
>
> Change-Id: Idf0984d0dbac16041f11d738d4b1c095a8eecd61
> Reviewed-on: https://chromium-review.googlesource.com/c/1289489
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58468}
TBR=yangguo@chromium.org,bmeurer@google.com,bmeurer@chromium.org,mat@mmarchini.me
Change-Id: Ide0a434c1521ab2bbeca6821397ff63ba7d40fe5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/1390128
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58469}
Extend FrameArray to hold weak references to parameters for functions in
the call stack. The goal here is to provide more metadata for postmortem
tools (such as llnode), especially in cases of rethrowing (this will be
particularly useful when using postmortem with promises on Node.js).
Besides postmortem, these changes allow us to print a more detailed
stack trace for errors with parameters types (or even values), which can
be useful since JavaScript functions can receive any number of
parameters of any type, and having a function behave differently
according to the number of parameters received as well as their types is
a common pattern on JS libraries and frameworks.
R=bmeurer@google.com, yangguo@google.com
Change-Id: Idf0984d0dbac16041f11d738d4b1c095a8eecd61
Reviewed-on: https://chromium-review.googlesource.com/c/1289489
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58468}
This also adjusts debug printing of descriptor arrays and adds a check
to the code serializer.
Bug: v8:8617
Tbr: mlippautz@chromium.org
Change-Id: Ic04f01abf9f7ed5a310b9e51a22c04fda108f563
Reviewed-on: https://chromium-review.googlesource.com/c/1387501
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58438}
Merging the temporary HeapObjectPtr back into HeapObject.
Bug: v8:3770
Change-Id: I5bcd23ca2f5ba862cf5b52955dca143e531c637b
Reviewed-on: https://chromium-review.googlesource.com/c/1386492
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58410}
Now a descriptor array tracks the number of descriptors that were
already marked. The marking visitor of a map only marks the subset
of the descriptors that it needs and that are not already marked.
If a descriptor array is shared between M maps and has N descriptos,
then the number of marking operations is reduced from O(M*N) to O(N).
This patch also adds a marking barrier for descriptors.
The marked descriptor counter in a descriptor array is not cleared
after mark-compact GC. Instead, it embeds two bits from the global
mark-compact epoch counter and is considered 0 if the bits do not match
the current value of the global epoch counter.
Bug: v8:8486
Change-Id: I2a7822a6833f3143e1d351e5e4819c2ef2c07fb0
Reviewed-on: https://chromium-review.googlesource.com/c/1382746
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58372}
Don't allocate feedback vectors and feedback metadata in lite mode.
Also updates to skip tests that require feedback vectors.
This is a reland of
https://chromium-review.googlesource.com/c/v8/v8/+/1384087 after skipping
the failing tests.
Bug: v8:8394
Change-Id: I7766533b85a144e62996ceed8d542cdc534feeb5
Reviewed-on: https://chromium-review.googlesource.com/c/1384307
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58363}
This reverts commit 62e86b88e5.
Reason for revert: Fails on arm sim lite debug: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20arm%20-%20sim%20-%20lite%20-%20debug/1075
Original change's description:
> Do not allocate feedback vectors and feedback metadata in lite mode
>
> Don't allocate feedback vectors and feedback metadata in lite mode.
> Also updates to skip tests that require feedback vectors.
>
> Bug: v8:8394
> Change-Id: I22c64a32c44bb8f25fb09003d6e9fc5a04e84f8a
> Reviewed-on: https://chromium-review.googlesource.com/c/1378173
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58351}
TBR=rmcilroy@chromium.org,yangguo@chromium.org,mlippautz@chromium.org,mythria@chromium.org
Change-Id: I88fd37ea4e21aa2cc81eceb87ddb35c23224beae
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8394
Reviewed-on: https://chromium-review.googlesource.com/c/1384087
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58355}
Don't allocate feedback vectors and feedback metadata in lite mode.
Also updates to skip tests that require feedback vectors.
Bug: v8:8394
Change-Id: I22c64a32c44bb8f25fb09003d6e9fc5a04e84f8a
Reviewed-on: https://chromium-review.googlesource.com/c/1378173
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58351}
Either Address* or Handle<Object> or ObjectSlot, depending on
circumstances.
Bug: v8:3770
Change-Id: Id00dfede6eb92ec30b658c0090b5310548ba5162
Reviewed-on: https://chromium-review.googlesource.com/c/1379228
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58282}
InternalPackedArray now only has one constructor variant that expects no
arguments (Chrome's only usage of InternalPackedArray). As such, these TFC
builtins are no longer used and were removed:
- InternalArrayNoArgumentConstructor_Holey
- InternalArraySingleArgumentConstructor_Packed
- InternalArraySingleArgumentConstructor_Holey
On x64.release, this reduces builtins size by ~1.2KB.
Bug: v8:7624
Change-Id: I7316608dc02b1e09e9e414ee1aeb1fb08410c6f6
Reviewed-on: https://chromium-review.googlesource.com/c/1372772
Commit-Queue: Peter Wong <peter.wm.wong@gmail.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58193}
This change makes the SFI to bytecode link pseudo-weak. The marking visitors
check whether the bytecode is old, and if so, don't mark it and instead
push the SFI onto a bytecode_flushing_candidates worklist. Once marking
is complete, this list is walked, and for any of the candidates who's bytecode
has not been marked (i.e., is only referenced by the shared function info),
the bytecode is flushed and the SFI has the function data replaced with
an UncompiledData (which overwrites the flushed bytecode array).
Since we don't track JSFunctions, these can still think the underlying
function is compiled, and so calling them will invoke
InterpreterEntryTrampoline. As such, logic is added to
InterpreterEntryTrampoline to detect flushed functions, and enter
CompileLazy instead.
BUG=v8:8395
Change-Id: I4afba79f814ca9a92dec45d59485935845a6669d
Reviewed-on: https://chromium-review.googlesource.com/c/1348433
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58158}
This is a reland of f849396c3a
Original change's description:
> [nojit] Remove code stubs
>
> All stubs have been migrated to builtins. This CL removes most related
> code.
>
> Bug: v8:7777, v8:5784
> Change-Id: I4470cfef34788e6c8e0fd5fd09e40e250d088dad
> Reviewed-on: https://chromium-review.googlesource.com/c/1365284
> Commit-Queue: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58093}
Tbr: mstarzinger@chromium.org,yangguo@chromium.org,jkummerow@chromium.org,bmeurer@chromium.org
Bug: v8:7777, v8:5784
Change-Id: I005ee2a820d49a75a90481d262a310e4ccfd1391
Reviewed-on: https://chromium-review.googlesource.com/c/1367746
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58101}
All stubs have been migrated to builtins. This CL removes most related
code.
Bug: v8:7777, v8:5784
Change-Id: I4470cfef34788e6c8e0fd5fd09e40e250d088dad
Reviewed-on: https://chromium-review.googlesource.com/c/1365284
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58093}
(mostly for roots, handles and stack locations).
Thi CL also changes RootVisitor interface to use FullObjectSlots instead of
ObjectSlots.
Bug: v8:8518
Change-Id: I217c7ae176387a8c64f4754e62339727bdb36018
Reviewed-on: https://chromium-review.googlesource.com/c/1366035
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58091}
and also its pure-static subclass PrototypeUsers, whose porting
is a no-op.
Bug: v8:3770
Change-Id: I075806f784a0631058692149e71c45e455e90f73
Reviewed-on: https://chromium-review.googlesource.com/c/1355631
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58003}
to the new design.
Bug: v8:3770
Change-Id: I63291cc8eccfa1da20e84c6d3e9f48f253409396
Reviewed-on: https://chromium-review.googlesource.com/c/1355627
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57981}
This refactors Map operations to update the instance descriptors and
the number of own descriptors via the SetInstanceDescriptors bottleneck.
This will allow us to add a special marking barrier for these updates.
Bug: v8:8486
Change-Id: Ie9c746d4bcdd6166d38402622734693fa59faf21
Reviewed-on: https://chromium-review.googlesource.com/c/1354883
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57934}
TransitionArray, NormalizedMapCache, DependentCode to the new design.
Bug: v8:3770
Change-Id: I8bd56f231fb62b146e0fb05989418aedb62a628b
Reviewed-on: https://chromium-review.googlesource.com/c/1350287
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57921}
This patch allows the deoptimizer to keep embedded pointers intact.
Previously, the deoptimizer had to clear embedded pointers because
the mark-compactor relied on the Code::marked_for_deoptimization flag
to indicate whether the embedder pointers were cleared or not.
This patch adds a new flag called Code::embedded_objects_cleared()
and thus can correctly clear dead weak objects in deoptimized code.
Bug: v8:8459
Change-Id: I6eb6ff3aa2182bc41730e0a249965f8d8c0525ce
Reviewed-on: https://chromium-review.googlesource.com/c/1335943
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57584}
This CL applies the equivalent of the Object -> ObjectPtr
transformation to MaybeObject and HeapObjectReference. We
need no renaming in this case because we can just migrate
them both in one go.
Bug: v8:3770
Change-Id: Ie1259c3e8c556eff00f8bcf534d7270ca9fe00e1
Reviewed-on: https://chromium-review.googlesource.com/c/1298386
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57010}
as part of the continuing quest to get rid of Object*/Object**.
This is a fairly mechanical replacement of Object**/MaybeObject** with
wrapper objects carrying the same data. No change in behavior is intended.
Overloaded operators are provided to minimize code churn.
Bug: v8:3770
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I76cee82b8bf2dd80a1b66f09dd2bb2b65038eeb7
Reviewed-on: https://chromium-review.googlesource.com/c/1287889
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56920}
This reverts commit 5847574eb9.
Reason for revert: Break mjsunit tests in Lite mode. You'll have to find a solution for tests using assertOptimized().
Original change's description:
> [Lite] Disable optimization for Lite mode.
>
> BUG=v8:8293
>
> Change-Id: I6b2e02420ab69fb1d2e24945d48b08d2bc24b0d0
> Reviewed-on: https://chromium-review.googlesource.com/c/1280526
> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Dan Elphick <delphick@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56795}
TBR=rmcilroy@chromium.org,delphick@chromium.org
Change-Id: I09f6c17cc325f50560329c46f06ad847f0bb021d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8293
Reviewed-on: https://chromium-review.googlesource.com/c/1290111
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56796}
Adds a build-time flag to control enabling of V8 Lite mode. Currently
this mode enables optimize-for-size and makes that flag read-only so that
it can't be changed at runtime.
This mode also replaces the --minimal flag which was previously used
to make porting easier.
BUG=v8:8293
Change-Id: I8360b4d55dd15a2a7c18429c94329dc5264dea86
Reviewed-on: https://chromium-review.googlesource.com/c/1276467
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56653}
Since {Address} is just {uintptr_t}, we can just use the standard
{IsAligned} function.
R=mlippautz@chromium.org
Bug: v8:8238
Change-Id: I260591e88b50855cf327096a07b2c18f0c1e4508
Reviewed-on: https://chromium-review.googlesource.com/c/1280204
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56631}
... and Heap::root_handle() to RootsTable.
This is a preliminary step before moving IsolateData object from Heap to Isolate
which is required for pointer-compression friendly heap layout.
Bug: v8:8182
Change-Id: Ideacc1c9e4435be7a33db08415ac1ad46e956199
Reviewed-on: https://chromium-review.googlesource.com/c/1273238
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56552}
... by removing entries corresponding to read only roots (which are
immortal immovable by definition) and using READ_ONLY_ROOT_LIST explicitly.
This CL also renames the list to MUTABLE_IMMORTAL_IMMOVABLE_ROOT_LIST and
moves Heap::RootIsImmortalImmovable() to RootsTable::IsImmortalImmovable().
Bug: v8:8238
Change-Id: I3e44a06d7a816955bc3471e788e883fb053b03d9
Reviewed-on: https://chromium-review.googlesource.com/c/1269035
Reviewed-by: Dan Elphick <delphick@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56466}
We want to replace all uses of CallOnForegroundThread eventually by the
new TaskRunner API so that we can eventually deprecate the old API and
remove it.
R=ulan@chromium.org
Bug: v8:8238
Change-Id: I7e451eddf05f1f7f273c5cfd57d82737380f3f02
Reviewed-on: https://chromium-review.googlesource.com/c/1261145
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56378}
Surviving large objects are directly promoted to the old generation.
Bug: chromium:852420
Change-Id: I460649714544d4338e01085f487d4b70065ecfb5
Reviewed-on: https://chromium-review.googlesource.com/1238173
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56237}
ToBoolean and BooleanValue cannot throw exceptions so the Maybe versions
of the functions don't make sense. As such this deprecates the Maybe
versions and undeprecates ToBoolean(Isolate*). It also adds
BooleanValue(Isolate*).
Fix up all of the v8 code to not use the deprecated functions.
Bug: v8:7279, v8:8015
Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I50e7474d205c75baa153f0dea7f02dcf60232d1d
Reviewed-on: https://chromium-review.googlesource.com/1238476
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56163}
Concurrently process objects and only read embedder fields on the main
thread.
Also prepares the concurrent marking infrastructure to plug this
processing into different types.
Bug: chromium:885125, chromium:843903
Change-Id: I23b7f778c16cff118dec93e11e2bbd02aaf11a78
Reviewed-on: https://chromium-review.googlesource.com/1231175
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56043}
The flag was not used anymore and any CollectGarbage call will finalize
marking.
Change-Id: I29ee60b187c9038acc4b42b8334546498f54f117
Reviewed-on: https://chromium-review.googlesource.com/1228013
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56018}
Abort incremental marking pulls in the requirement to also be able to abort on
the embedder side. In practice, aborting is never really needed and the GC
should just finalize the existing collection and do an atomic followup if exact
marking information is required.
Bug: chromium:843903
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Ic471332d01b0c4be26b71a06248af03255c61a9d
Reviewed-on: https://chromium-review.googlesource.com/1225705
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55949}
VirtualMemory objects can be moved since https://crrev.com/c/1213062,
so there is no need any more to return them via pointer argument. This
also makes the {AllocVirtualMemory} and {AlignedAllocVirtualMemory}
functions superfluous.
R=ishell@chromium.org, titzer@chromium.org
Bug: v8:8015
Change-Id: Id72921e1c66a6c10be6647194603b8283e010e24
Reviewed-on: https://chromium-review.googlesource.com/1226972
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55947}
E.g., "ToWeakHeapObject" was misleading, since it didn't convert to a weak heap
object, instead returned a weakly pointed heap object. Change the function names
(in this case, to "GetHeapObjectIfWeak") to reflect this.
Also make casts explicit, if a MaybeObject is an Object, we can call cast<Object>().
Previous version: https://chromium-review.googlesource.com/1219025
BUG=v8:7308
TBR=ishell@chromium.org, ulan@chromium.org, ahaas@chromium.org, yangguo@chromium.org, tebbi@chromium.org
Change-Id: I503d4a2a3a68f85e9e02e1c2f9fc1c4187c8e9a1
Reviewed-on: https://chromium-review.googlesource.com/1226800
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55934}
This is a reland of 16816e53be
Bug: v8:8096
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I257fc391931a0a4bf01f2e8136183aaed044231c
Reviewed-on: https://chromium-review.googlesource.com/1226915
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55928}
This reverts commit ad72d19516.
Reason for revert: Build failures on *san
Original change's description:
> [in-place weak refs] Fix MaybeObject function names
>
> E.g., "ToWeakHeapObject" was misleading, since it didn't convert to a weak heap
> object, instead returned a weakly pointed heap object. Change the function names
> (in this case, to "GetHeapObjectIfWeak") to reflect this.
>
> Also make casts explicit, if a MaybeObject is an Object, we can call cast<Object>().
>
> BUG=v8:7308
>
> Change-Id: I4ef078572b4f4415afe7e2e706d3bd684e16e47d
> Reviewed-on: https://chromium-review.googlesource.com/1219025
> Reviewed-by: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Commit-Queue: Marja Hölttä <marja@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55906}
TBR=ulan@chromium.org,marja@chromium.org,yangguo@chromium.org,ahaas@chromium.org,tebbi@chromium.org,ishell@chromium.org
Change-Id: I054b578518e3f6fd7dbcddf0b56cc018726c1e7a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7308
Reviewed-on: https://chromium-review.googlesource.com/1226874
Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55918}
E.g., "ToWeakHeapObject" was misleading, since it didn't convert to a weak heap
object, instead returned a weakly pointed heap object. Change the function names
(in this case, to "GetHeapObjectIfWeak") to reflect this.
Also make casts explicit, if a MaybeObject is an Object, we can call cast<Object>().
BUG=v8:7308
Change-Id: I4ef078572b4f4415afe7e2e706d3bd684e16e47d
Reviewed-on: https://chromium-review.googlesource.com/1219025
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55906}
The provided page allocator will serve all the memory requests done by the virtual
memory object.
This is a necessary cleanup before introducing BoundedPageAllocator.
Bug: v8:8096
Change-Id: I95477d67e5f532013322a991db3ee1a1f2e821e6
Reviewed-on: https://chromium-review.googlesource.com/1210122
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55703}
... like AllocatePage[s](), FreePages() and SetPermissions().
This CL also changes base::PageAllocator to cache AllocatePageSize and CommitPageSize
values returned by the OS.
This is a necessary cleanup before introducing BoundedPageAllocator.
Bug: v8:8096
Change-Id: Ifb7cdd2caa6a1b029ce0fca6545c61df9d281be2
Reviewed-on: https://chromium-review.googlesource.com/1209343
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55690}
This method introduces an inherent race because it allows changing
global static flag variables from concurrently running Isolates (or
Workers). Since there are not too many use-cases left, the method in
question can be removed entirely.
R=hpayer@chromium.org
Change-Id: I9798730dd775b04f0bc83f18ed5982672e76e5d5
Reviewed-on: https://chromium-review.googlesource.com/1186731
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55392}
No need to create allocation site for array literals in oneshot code since
they are executed only once. The interpreter emits a runtime call to
CreateArrayLiteralWithoutAllocationSite for creating literals in
oneshot code instead.
Change-Id: I285879c84759ff9e2ce281e9548112f52ce5e7d1
Reviewed-on: https://chromium-review.googlesource.com/1167843
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Cr-Commit-Position: refs/heads/master@{#55349}
This call can be used by embedder to request a GC for testing reasons.
The GC also takes the current embedder stack state as an argument that
is forwarded to the embedder when entering the atomic pause.
This way embedders can request garbage collections for testing and set
how the embedder should treat the stack.
Bug: chromium:843903
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Id10604565b4457dd0fca402afeb5f8e592fa0bae
Reviewed-on: https://chromium-review.googlesource.com/1183431
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55285}
JSArrays and JSArrayBuffers are very different animals. As such,
split the js-array.h header into two parts.
R=ulan@chromium.org,mstarzinger@chromium.org
Bug: v8:5402
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I82f987ecea3e2e1ceaf8f8962a2b88165558c57e
Reviewed-on: https://chromium-review.googlesource.com/1177760
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Ben Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55183}
This reverts commit 5b434929a3.
Changes after the original CL:
- Right-trimming registers the array as an object with invalidated
slots.
- Left-trimming moves the array start in the invalidated slots map.
Original change's description:
> Fix invalidation of old-to-old slots after object trimming.
>
> A recorded old-to-old slot may be overwritten with a pointer to a new
> space object. If the object containing the slot is trimmed later on,
> then the mark-compactor may crash on a stale pointer to new space.
>
> This patch ensures that:
> 1) On trimming of an object we add it to the invalidated_slots sets.
> 2) The InvalidatedSlotsFilter::IsValid returns false for slots outside
> the invalidated object unless the page was already swept.
>
> Array left-trimming is handled as a special case because object start
> moves and cannot be added to the invalidated set. Instead, we clear
> the freed memory so that the recorded slots contain Smi values.
>
> Bug: chromium:870226,chromium:816426
> Change-Id: Iffc05a58fcf52ece45fdb085b5d1fd4b3acb5d53
> Reviewed-on: https://chromium-review.googlesource.com/1163784
> Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54953}
Change-Id: I1f1080f680196c581f62aef8d3a00a595f9bb9b0
Reviewed-on: https://chromium-review.googlesource.com/1165555
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55066}
No need to create allocation site for literals in oneshot code since
they are executed only once. The interpreter emits a runtime call to
CreateObjectLiteralWithoutAllocationSite for creating literals in
oneshot code instead.
Change-Id: I224b3a30f10361cfe9ff63129b36da8230c5e403
Reviewed-on: https://chromium-review.googlesource.com/1163615
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55050}
When the memory pressure level is critical and there are managed objects
that call AdjustAmountOfExternalMemory in their finalizer, we trigger
GC for each dying managed object. See the test for an example.
This fixes the bug by clearing the memory pressure level before GC.
Bug: v8:8014
Change-Id: Id5144430a52fb8545aa23f33229a11b1714cbf10
Reviewed-on: https://chromium-review.googlesource.com/1169011
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55021}
This reverts commit 719d23c032.
Reason for revert: TSAN failures
Original change's description:
> Fix invalidation of old-to-old slots after object trimming.
>
> A recorded old-to-old slot may be overwritten with a pointer to a new
> space object. If the object containing the slot is trimmed later on,
> then the mark-compactor may crash on a stale pointer to new space.
>
> This patch ensures that:
> 1) On trimming of an object we add it to the invalidated_slots sets.
> 2) The InvalidatedSlotsFilter::IsValid returns false for slots outside
> the invalidated object unless the page was already swept.
>
> Array left-trimming is handled as a special case because object start
> moves and cannot be added to the invalidated set. Instead, we clear
> the freed memory so that the recorded slots contain Smi values.
>
> Bug: chromium:870226,chromium:816426
> Change-Id: Iffc05a58fcf52ece45fdb085b5d1fd4b3acb5d53
> Reviewed-on: https://chromium-review.googlesource.com/1163784
> Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54953}
TBR=ulan@chromium.org,hpayer@chromium.org,mlippautz@chromium.org
Change-Id: I2e1ff83c2db7902488951a8f597d38133aeb3b04
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:870226, chromium:816426
Reviewed-on: https://chromium-review.googlesource.com/1165862
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54954}
A recorded old-to-old slot may be overwritten with a pointer to a new
space object. If the object containing the slot is trimmed later on,
then the mark-compactor may crash on a stale pointer to new space.
This patch ensures that:
1) On trimming of an object we add it to the invalidated_slots sets.
2) The InvalidatedSlotsFilter::IsValid returns false for slots outside
the invalidated object unless the page was already swept.
Array left-trimming is handled as a special case because object start
moves and cannot be added to the invalidated set. Instead, we clear
the freed memory so that the recorded slots contain Smi values.
Bug: chromium:870226,chromium:816426
Change-Id: Iffc05a58fcf52ece45fdb085b5d1fd4b3acb5d53
Reviewed-on: https://chromium-review.googlesource.com/1163784
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54953}
Now we can remove FixedArrayOfWeakCells (this was the last user).
Previous try: https://chromium-review.googlesource.com/1150170
BUG=v8:7308
Change-Id: Ie924e379ea8bbd797430e3ca591019fe001e78ad
Reviewed-on: https://chromium-review.googlesource.com/1154909
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54928}
Previously, removing an element in the middle made it consume space
forever. This fixes that, without changing the complexity of removal /
addition. The trade-off is that RemoveOne will shuffle indices (which should be
OK for the current users).
BUG=v8:7308
Change-Id: I0373e30f2d9d1ffb93a78d383d41b500dbbf3429
Reviewed-on: https://chromium-review.googlesource.com/1159371
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54875}
From the promotion code point of view, a ThinString being forwarded to
an ExternalString is exactly the same as an actual ExternalString being
forwarded to its promoted copy. These changes provide a way to disambiguate
both scenarios since they are different for external memory accounting.
Bug: chromium:867902
Change-Id: I6fd56ee5e0f8900318466108273ab26e936eb439
Reviewed-on: https://chromium-review.googlesource.com/1152975
Commit-Queue: Rodrigo Bruno <rfbpb@google.com>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54790}
Now we can remove FixedArrayOfWeakCells (this was the last user).
BUG=v8:7308
Change-Id: I7b74f7833288b20d8f4d098a4afce640ea6db823
Reviewed-on: https://chromium-review.googlesource.com/1150170
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54776}
This CL depends on Reland^2 "Avoiding re-externalization of strings"
(Idb1b6d1b29499f66bf8cd704977c40b027f99dbd)..
Previously landed as Ied341ec6268000343d2a577b22f2a483460b01f5 and
I3fe2b294f6e038d77787cf0870d244ba7cc20550
Previously reviewed at https://chromium-review.googlesource.com/1121736 and
https://chromium-review.googlesource.com/1118164
Bug: chromium:845409
Change-Id: Ied50bbcaa22a90ecaf15dca19dbc9aaec1737223
Reviewed-on: https://chromium-review.googlesource.com/1147227
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Rodrigo Bruno <rfbpb@google.com>
Cr-Commit-Position: refs/heads/master@{#54712}
Ran GetIsolate/GetHeap removal script over all the header files included
into objects.cc. Affected classes include: ScriptContextTable
RuntimeCallTimerScope GlobalDictionaryShape Map LookupIterator
PrototypeIterator FixedArrayBuilder
Manually fixed up Map to mark its write operations as safe for
GetIsolate since they modify the object as so can't be done in RO_SPACE.
Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I2fd0960f085d1bcb4cf54b3418899ac0217917ca
Reviewed-on: https://chromium-review.googlesource.com/1138076
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54488}
It's a growing weak array which also has an API for marking slots empty (those
will then be filled before growing the array again).
This is a more efficient implementation than the corresponding feature in
FixedArrayOfWeakCells, because we chain the empty slots together.
BUG=v8:7308
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I335cd3f9cc7838c7f6ca350735b1503b2f5b8eed
Reviewed-on: https://chromium-review.googlesource.com/1090922
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54481}
All auto-generated with some fix-ups including marking the following
classes as NeverReadOnlySpaceObject so their GetIsolate/GetHeap methods
are safe to use:
Code, CodeDataContainer, AbstractCode, DeoptimizationData,
CompilationCacheTable, NormalizedMapCache, Script, SharedFunctionInfo
TBR=yangguo@chromium.org
Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I6cb5dcca88a0bc99b5afe80f553e06a661b5da3c
Reviewed-on: https://chromium-review.googlesource.com/1135306
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54439}
With ReadOnlyRoots and GetIsolate on JSReceiver, we can remove almost
every isolate parameter from <Object>::Print. The remaining ones, like
Map, are special-caseable for read-only maps, and as a result we can
remove isolate parameters from <Object>::Print entirely.
This patch also opportunistically cleans up a few places where isolates
were only needed for Object::Print, such as TransitionAccessors and
DescriptorArrays.
TBR=yangguo@chromium.org,mstarzinger@chromium.org
Bug: v8:7786
Change-Id: Id44bd53b9893e679eea5f37b9548257595a1bfd9
Reviewed-on: https://chromium-review.googlesource.com/1133385
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54401}
Heap::InNewSpace only needs to access the heap for a DCHECK and the part
that uses the heap only needs it if the object is in NEW_SPACE, in which
case getting it via pointer magic is fine.
Bug: v8:7786
Change-Id: Iaac237a3b8bcc9d55e436e3f972475e04b97f1f8
Reviewed-on: https://chromium-review.googlesource.com/1127798
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54345}
Add new types for function data for SharedFunctionInfo, for uncompiled
functions. UncompiledData holds start/end positions, allowing us to
remove these fields from SFI. Uncompiled functions with pre-parsed
scope data now hold an UncompiledDataWithScope that has a pointer to
PreParsedScopeData -- this allows us to also remove the start/end pos
from PreParsedScopeData.
Bug: chromium:818642
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I56f3c4e62cbf38929babac734a332709f12a8202
Reviewed-on: https://chromium-review.googlesource.com/1126381
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54319}
This CL surfaces AssemblerOptions to CodeAssembler::GenerateCode and
to pipeline methods. To allow forward declaring AssemblerOptions,
AssemblerBase::Options was moved out of the AssemblerBase class.
Bug: v8:6666
Change-Id: If9fc50d3d4767bb5dd39a0c3b6e094021f4cae2b
Reviewed-on: https://chromium-review.googlesource.com/1127039
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54286}
This reverts commit e438d5d4de.
Reason for revert: TSAN failures - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux64%20TSAN/21357
Original change's description:
> [heap] Make objects allocated in new_lo_space look like young generation objects.
>
> The scavenger still does not handle young generation large objects correctly.
> This will be added in a follow-up CL.
>
> Bug: chromium:852420
> Change-Id: I2587509d6e7f329aeff3db246d949bb30b3a91a5
> Reviewed-on: https://chromium-review.googlesource.com/1124477
> Commit-Queue: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54197}
TBR=ulan@chromium.org,hpayer@chromium.org
Change-Id: Ief44cfd841278f2d53d51f3a21c03b70b8025a7a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:852420
Reviewed-on: https://chromium-review.googlesource.com/1125979
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54205}
In future the RO_SPACE root accessors in Heap will become private, so
instead convert them all to use ReadOnlyRoots.
Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I2f2c031c03d56d360ef940fc925e0583e6ae31dc
Reviewed-on: https://chromium-review.googlesource.com/1125720
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54202}
The scavenger still does not handle young generation large objects correctly.
This will be added in a follow-up CL.
Bug: chromium:852420
Change-Id: I2587509d6e7f329aeff3db246d949bb30b3a91a5
Reviewed-on: https://chromium-review.googlesource.com/1124477
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54197}
This reverts commit fdf69d53b6.
Reason for revert: Speculative revert for broken GPU bots:
https://ci.chromium.org/p/v8/builders/luci.v8.ci/Linux%20V8%20FYI%20Release%20%28NVIDIA%29/1638https://ci.chromium.org/p/v8/builders/luci.v8.ci/Mac%20V8%20FYI%20Release%20%28Intel%29/1624
Original change's description:
> [heap] Adds a young generation large object space
>
> This CL adds the young generation lage object spaces and a flag
> --young-generation-large-objects that by default allocates all
> large objects in this space. This is a preparation CL. The space
> is not fully functional.
>
> Bug: chromium:852420
> Change-Id: Ib66d26fa52cda89bf04787084826aeb84b6ec1ac
> Reviewed-on: https://chromium-review.googlesource.com/1099164
> Commit-Queue: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54056}
TBR=ulan@chromium.org,yangguo@chromium.org,hpayer@chromium.org
Change-Id: I175514f806a19c7837022795210625ca40e3c318
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:852420
Reviewed-on: https://chromium-review.googlesource.com/1118038
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54072}
This CL adds the young generation lage object spaces and a flag
--young-generation-large-objects that by default allocates all
large objects in this space. This is a preparation CL. The space
is not fully functional.
Bug: chromium:852420
Change-Id: Ib66d26fa52cda89bf04787084826aeb84b6ec1ac
Reviewed-on: https://chromium-review.googlesource.com/1099164
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54056}
All Object::Print functions now take an Isolate* parameter. Various
XX::XXPrint functions now take an Isolate if it's needed rather than
calling GetIsolate(). Such method use DECL_PRINTER_WITH_ISOLATE rather
than DECL_PRINTER.
The _v8_internal_Print_ function (intended for use in gdb) now uses
Isolate::Current() to get hold of an Isolate.
Reduces the GetIsolate and GetHeap count by 9 and 5 respectively.
Also removes unneeded gdb/lldb macros (along with their support
functions), jfv, jfm, jda and jta, since job does the same thing.
Bug: v8:7786
Change-Id: Ib93ebca6ca47c4db9c85cc6d9ff8004da5942dec
Reviewed-on: https://chromium-review.googlesource.com/1112001
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54029}
Remove the one-argument Handle constructor and "handle" factory method,
replacing them with Isolates where available and GetIsolate() methods
otherwise.
TBR=verwaest@chromium.org
Bug: v8:7786
Change-Id: I8ee92ef727c05382c984a3e4c290198d0b312619
Reviewed-on: https://chromium-review.googlesource.com/1113542
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54025}
Each local ABT is logically for one page. We passed the space in to the
constructor, but this is wrong because the space a page is in can
change, e.g. for compaction pages.
Instead, pass the page to the local ABT constructor and always get the
space from this. To do this we need to push the AllocateLocalTracker()
helper and friends down to Page, rather than its superclass MemoryChunk.
Unfortunately, we need to keep ReleaseLocalTracker() on MemoryChunk even
though only Pages can have local trackers, because we can't do virtual
dispatch on MemoryChunk::ReleaseAllocatedMemory() which would allow us
to clean up the tracker memory nicely for pages only.
We also have to make sure we update external bytes accounting properly
when swapping spaces, as in SemiSpace::Swap().
Change-Id: Iff02e41dd12a6b04a57fcc32f9e2b4f049fcbc24
Reviewed-on: https://chromium-review.googlesource.com/1107635
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53930}
This completes the transition to Assembler::Options, which reduces
the assemblers's dependency on isolates, and there is now only one
way to create an Assembler, which is to use the options.
Note that some operations on assemblers still need an isolate, such
as GetCode(), and in these cases, the isolate is an additional
argument to the method.
R=jgruber@chromium.orgCC=mstarzinger@chromium.org
Change-Id: I413209d816c63a7c3640f1c226764693dcad1e7f
Reviewed-on: https://chromium-review.googlesource.com/1106169
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53925}
This is a reland of 380dba0a5c
Original change's description:
> [runtime][gc] Drop AllocationSite::weak_next field for sub-literals
>
> Use AllocationSite without Weaknext field for all the allocations in nested
> literal except for Root. The nested field is sufficient to link all the
> allocations in a nested literal. Only the Root is added to heap weak_alloc_list
> for GC to traverse
>
> Change-Id: I946e63292c6d168197cd2a087f697c73cc431272
> Reviewed-on: https://chromium-review.googlesource.com/1101323
> Commit-Queue: Chandan Reddy <chandanreddy@google.com>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53813}
Change-Id: Ic451fb3600b87f8f69748b1659ff89a80c9322fa
Reviewed-on: https://chromium-review.googlesource.com/1106257
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Cr-Commit-Position: refs/heads/master@{#53872}
This removes several GetIsolate calls from Map:: methods and instead
passes the Isolate in. This is a very noisy change but mostly it is just
adding Isolate to method declarations and forwarding it on.
Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I159505e50a9462d01066f14da0fcc29762bd5531
Reviewed-on: https://chromium-review.googlesource.com/1075267
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53826}
This reverts commit 380dba0a5c.
Reason for revert: Fails gc-stress: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Mac64%20GC%20Stress/1471
Original change's description:
> [runtime][gc] Drop AllocationSite::weak_next field for sub-literals
>
> Use AllocationSite without Weaknext field for all the allocations in nested
> literal except for Root. The nested field is sufficient to link all the
> allocations in a nested literal. Only the Root is added to heap weak_alloc_list
> for GC to traverse
>
> Change-Id: I946e63292c6d168197cd2a087f697c73cc431272
> Reviewed-on: https://chromium-review.googlesource.com/1101323
> Commit-Queue: Chandan Reddy <chandanreddy@google.com>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53813}
TBR=ulan@chromium.org,cbruni@chromium.org,chandanreddy@google.com
Change-Id: Icc87027f14f917da3033db256c2535e08e2a4a34
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/1105159
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53815}
Use AllocationSite without Weaknext field for all the allocations in nested
literal except for Root. The nested field is sufficient to link all the
allocations in a nested literal. Only the Root is added to heap weak_alloc_list
for GC to traverse
Change-Id: I946e63292c6d168197cd2a087f697c73cc431272
Reviewed-on: https://chromium-review.googlesource.com/1101323
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53813}
This is a reland of 0909dbe3d6.
Added missing V8_EXPORT_PRIVATE to AndroidLogStream.
TBR=mstarzinger@chromium.org
Original change's description:
> Introduce StdoutStream which prints to Android log or stdout
>
> The often used construct {OFStream(stdout)} does not work on Android.
> This CL introduces an {StdoutStream} which behaves exactly like
> {OFStream(stdout)} on non-android platforms, and redirects to the
> Android log on appropriate systems and configurations.
>
> R=mstarzinger@chromium.org
>
> Bug: v8:7820
> Change-Id: Ia682fdf6d064e37c605c19b032f5a10b96ac825b
> Reviewed-on: https://chromium-review.googlesource.com/1088911
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53692}
Bug: v8:7820
Change-Id: I8164bad78a401dbe4246c9ffcacd050fe511ed58
Reviewed-on: https://chromium-review.googlesource.com/1100636
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53733}
This reverts commit 0909dbe3d6.
Reason for revert: Blocks roll:
https://chromium-review.googlesource.com/c/chromium/src/+/1099143
Original change's description:
> Introduce StdoutStream which prints to Android log or stdout
>
> The often used construct {OFStream(stdout)} does not work on Android.
> This CL introduces an {StdoutStream} which behaves exactly like
> {OFStream(stdout)} on non-android platforms, and redirects to the
> Android log on appropriate systems and configurations.
>
> R=mstarzinger@chromium.org
>
> Bug: v8:7820
> Change-Id: Ia682fdf6d064e37c605c19b032f5a10b96ac825b
> Reviewed-on: https://chromium-review.googlesource.com/1088911
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53692}
TBR=mstarzinger@chromium.org,jarin@chromium.org,jgruber@chromium.org,clemensh@chromium.org,bmeurer@chromium.org
Change-Id: Iadadd9a0df10dca0fad647138a83db50148e864d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7820
Reviewed-on: https://chromium-review.googlesource.com/1100635
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53725}
The often used construct {OFStream(stdout)} does not work on Android.
This CL introduces an {StdoutStream} which behaves exactly like
{OFStream(stdout)} on non-android platforms, and redirects to the
Android log on appropriate systems and configurations.
R=mstarzinger@chromium.org
Bug: v8:7820
Change-Id: Ia682fdf6d064e37c605c19b032f5a10b96ac825b
Reviewed-on: https://chromium-review.googlesource.com/1088911
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53692}
Whenever an Isolate is available on a variable, field, or method
parameter, use that instead of GetIsolate(). Also convert simple
cases of the one-argument handle constructor to either use an
available Isolate, or use GetIsolate() if their first parameter
is a variable.
Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I52805905a9ca8729615ead78859f43d5e8f605f1
Reviewed-on: https://chromium-review.googlesource.com/1092853
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53629}
Removes all explicit calls to GetIsolate() in transitions.cc by passing
it through calling functions and implicit calls via the single argument
Handle constructor and handle function.
Unfortunately in the interests of making these changes vaguely
manageable, I've also pushed some new GetIsolates down into
objects-debug.cc, objects-printer.cc and objects.cc.
Bug: v8:7786
Change-Id: I1f98530dec6c004e17dc3336f3cef09fbb446bae
Reviewed-on: https://chromium-review.googlesource.com/1085451
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53518}
see crbug.com/841460 , we recently hit some build issues when using
Goma + jumbo builds because of a conflict on the definition of CONST,
v8 defines it in globals.h and including windows.h also defines it. It
should be possible to fix this by adding a bunch of #undef CONST but it
seems a little bit hacky and might not always work (this could only fix
the problem temporary if the jumbo merge limit changes and cause some
include files to get included in a different order).
Renaming the v8 definition of CONST to kConst, this follows the
style guide guidelines: "there is no reason to change old code to use
constant-style names, unless the old names are actually causing a
compile-time problem"
(https://google.github.io/styleguide/cppguide.html#Enumerator_Names)
I also had to turn the PropertyConstness enum into an enum class to
avoid some conflicts (both PropertyConstness and VariableMode define
kConst).
Bug: chromium:841460
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I2b70b9095374e88a5ae364cc557b39f20a3ab60f
Reviewed-on: https://chromium-review.googlesource.com/1064197
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sébastien Marchand <sebmarchand@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53413}
Moving them away was a mistake. Fixing this enables getting rid of a bunch of
includes.
BUG=v8:5402
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I5482eab4281c7450350f058fe0a04a6f375ea082
Reviewed-on: https://chromium-review.googlesource.com/1070188
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53328}
Replaces the anchor page circular doubly linked list
with a doubly linked list pointing to nullptr on its ends.
Fixes a memory leak when rewinding pages.
The large pages list will move to the new list implementation
in a follow-up CL.
Change-Id: I2933a5e222d4ca768f4b555c47ed0d7a7027aa73
Reviewed-on: https://chromium-review.googlesource.com/1060973
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53288}
If it points to a new space object which doesn't get scavenged, we need to drop
the reference.
BUG=v8:7308, v8:7768
Change-Id: I4485a7abcac3a26781811cc9bf134fd80e5f35b5
Reviewed-on: https://chromium-review.googlesource.com/1069127
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53287}
ToDirectStringAssembler::PointerToData returns a raw pointer, which
is invalidated when GC moves the original string and hence must not
be accessed after any allocations. This fixes the bug introduced in
b4ebbc57a9 / r53260.
Bug: chromium:845060
Tbr: jgruber@chromium.org
Change-Id: I248d0dd2a275bf9308269b3f65d00c4c4c3d4292
Reviewed-on: https://chromium-review.googlesource.com/1068213
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53272}
Also fixup some implementations that were lagging behind per the lack of
pure virtual not having enforced everything yet.
Also fixed recently introduced
PredictablePlatform::CallDelayedOnWorkerThread() to ignore delayed tasks
after realizing the intent is to intercept worker tasks instead of
sending them to |platform_|.
Node.js migrated off these APIs @
https://github.com/v8/node/pull/69R=ahaas@chromium.org, yangguo@chromium.org
Bug: chromium:817421
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I92171f213b5fc64ab1f21e8eec72738f5ce228bd
Reviewed-on: https://chromium-review.googlesource.com/1045310
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53223}
ArrayBuffer memory allocated off-heap was previously tracked by a test-
only retained_size() field on each LocalArrayBufferTracker.
Changes in off-heap ArrayBuffer memory usage are now reported to the
Space with which the ArrayBuffer is associated, so that the value is
cheaply available to include in e.g. GC limit calculations, via a new
getter, ExternalBackingStoreBytes().
Changes to external ArrayBuffer backing-store allocations are tracked in
an AtomicNumber associated with each Space, to allow for ArrayBuffers
being concurrently moved or freed from multiple Pages in the same Space
during sweeps & compactions.
Bug: chromium:837583
Change-Id: I8b1b6addd5cd05533d8da55ca813e134bc36e181
Reviewed-on: https://chromium-review.googlesource.com/1052347
Commit-Queue: Wez <wez@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53192}
Moves all Oddballs, empty_feedback_metadata, lots of symbols and
immortal heap numbers and several other empty collection objects.
RO_SPACE NEW_SPACE OLD_SPACE CODE_SPACE MAP_SPACE LO_SPACE
old 31800 0 241976 24032 176 0
new 35080 0 238680 24032 176 0
diff +3280 -3296
Reland of https://chromium-review.googlesource.com/c/v8/v8/+/1025996,
without the empty_property_dictionary which is not read-only.
Bug: v8:7464
Change-Id: I84840d86eb3e5906ddb8b4c4e9e70bfec0cf78bc
Reviewed-on: https://chromium-review.googlesource.com/1049611
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53096}
- Make FeedbackVector backing store a WeakFixedArray.
- "feedback" is always strong but "extra" might be weak.
- Whenever the handler stored in FeedbackVector is a WeakCell to a transition
Map, replace it with an in-place weak reference.
For a more detailed description of the changes, see the design doc
https://docs.google.com/document/d/1P8cIme2wKszdYt64ObAiuh6pXgLnrrn80Hpl1ejJbOU/edit#heading=h.ijx1oculrikp
BUG=v8:7308
Change-Id: I72c5cf6597ef24d4c22a1fe8e25b67ca196d4ec8
Reviewed-on: https://chromium-review.googlesource.com/1027855
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53051}
The Promoted* prefix was used to refer both to the total number of old
generation objects, and to the delta of objects moved from the new to
old generations.
PromotedTotalSize() is also renamed, to reflect the actual calculation
it performs
Bug: chromium:837583
Change-Id: Id27a0661618257ef64eb469a83bb49c0e8ce6923
Reviewed-on: https://chromium-review.googlesource.com/1042314
Commit-Queue: Wez <wez@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52986}
Original CL: https://crrev.com/c/1018468
During code generation, we generate self-references (i.e. references to
the Code object currently being generated) as references to a temporary
handle. When the final Code object has been allocated, the handle's
location is fixed up and RelocInfo iteration fixes up all references
embedded in the generated code.
This adds support for this mechanism to the builtins constants table
builder. CodeObject() is now a new handle pointing to a dedicated
self-reference marker in order to distinguish between self-references
and references to undefined. In Factory::NewCode, we patch up
the constants table.
TBR=yangguo@chromium.org,mlippautz@chromium.org
Bug: v8:6666
Change-Id: I3fa422c57de99c9851dc7a86394a8387c7c2b397
Reviewed-on: https://chromium-review.googlesource.com/1039366
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52916}
This reverts commit 6379e2a464.
Reason for revert:
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.v8%2FV8_Win64%2F23855%2F%2B%2Frecipes%2Fsteps%2FCheck%2F0%2Flogs%2Fmkgrokdump%2F0
Original change's description:
> [builtins] Patch self-references in constants table
>
> During code generation, we generate self-references (i.e. references to
> the Code object currently being generated) as references to a temporary
> handle. When the final Code object has been allocated, the handle's
> location is fixed up and RelocInfo iteration fixes up all references
> embedded in the generated code.
>
> This adds support for this mechanism to the builtins constants table
> builder. CodeObject() is now a new handle pointing to a dedicated
> self-reference marker in order to distinguish between self-references
> and references to undefined. In Factory::NewCode, we patch up
> the constants table.
>
> Bug: v8:6666
> Change-Id: If74ed91bb1c3b8abb20ff2f0a87d1bcd9a1b0511
> Reviewed-on: https://chromium-review.googlesource.com/1018468
> Commit-Queue: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#52854}
TBR=yangguo@chromium.org,mlippautz@chromium.org,jgruber@chromium.org
Change-Id: I8cf8c4b43f51285ea913c6c8fdd339bd9ea645df
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:6666
Reviewed-on: https://chromium-review.googlesource.com/1033092
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52856}
During code generation, we generate self-references (i.e. references to
the Code object currently being generated) as references to a temporary
handle. When the final Code object has been allocated, the handle's
location is fixed up and RelocInfo iteration fixes up all references
embedded in the generated code.
This adds support for this mechanism to the builtins constants table
builder. CodeObject() is now a new handle pointing to a dedicated
self-reference marker in order to distinguish between self-references
and references to undefined. In Factory::NewCode, we patch up
the constants table.
Bug: v8:6666
Change-Id: If74ed91bb1c3b8abb20ff2f0a87d1bcd9a1b0511
Reviewed-on: https://chromium-review.googlesource.com/1018468
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52854}
The memory metric samples memory usage immediately after forcing GC via
LowMemoryNotification. This makes the metric sensitive to the unmapper
tasks timing.
This patch forces eager unmapping in CollectAllAvailableGarbage.
It also forces eager unmapping of non-regular chunks at the beginning
of Mark-Compact to avoid accumulation of non-regular chunks.
Bug: chromium:833291, chromium:826384
Change-Id: Iddf02cd4ab8613385d033899d29525fe6ee47fdd
Reviewed-on: https://chromium-review.googlesource.com/1017102
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52696}
The "Address" type is V8's general-purpose type for manipulating memory
addresses. Per the C++ spec, pointer arithmetic and pointer comparisons
are undefined behavior except within the same array; since we generally
don't operate within a C++ array, our general-purpose type shouldn't be
a pointer type.
Bug: v8:3770
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: Ib96016c24a0f18bcdba916dabd83e3f24a1b5779
Reviewed-on: https://chromium-review.googlesource.com/988657
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52601}
Before Turbofan/Ignition it was possible to use external profilers to
sample running V8/Node.js processes and generate reports/FlameGraphs
from that. It's still possible to do so, but non-optimized JavaScript
functions appear in the stack as InterpreterEntryTrampoline. This commit
adds a runtime flag which makes interpreted frames visible on the
process' native stack as distinguishable functions, making the sampled
data gathered by external profilers such as Linux perf and DTrace more
useful.
R=bmeurer@google.com, franzih@google.com, jarin@google.com, yangguo@google.com
Bug: v8:7155
Change-Id: I3dc8876aa3cd9f1b9766624842a7cc354ccca415
Reviewed-on: https://chromium-review.googlesource.com/959081
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52533}
New space objects which die after scavenging might contain weak references.
IncrementalMarking::UpdateWeakReferencesAfterScavenge must drop the
corresponding slot.
This bug didn't surface before, since all weak slots are in the old space (but
this will change soon).
BUG=v8:7308
Change-Id: Ib1e507d4207e35547240dc0867ec7787b3f3103e
Reviewed-on: https://chromium-review.googlesource.com/1005000
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52519}
The checked condition now more precisely corresponds to the actual
ineffective GC detection heuristic.
Change-Id: I727932c76ff3183e7b038437eefba564c9778ff7
Reviewed-on: https://chromium-review.googlesource.com/997634
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52509}
The reloading was needed when GC would compact the Heap::retained_maps
array. But that's no longer true; the compaction is done in
Heap::AddRetainedMap, outside GC. So it's not possible that the length would
change because of an allocation.
(Pre-cleanup for in-place weak ref work.)
BUG=v8:7308
Change-Id: I18554353014865992f9151002cc4097fb986faf1
Reviewed-on: https://chromium-review.googlesource.com/1002775
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52506}
There is no good reason to have the meat of most objects' initialization
logic in heap.cc, all wrapped by the CALL_HEAP_FUNCTION macro. Instead,
this CL changes the protocol between Heap and Factory to be AllocateRaw,
and all object initialization work after (possibly retried) successful
raw allocation happens in the Factory.
This saves about 20KB of binary size on x64.
Original review: https://chromium-review.googlesource.com/c/v8/v8/+/959533
Originally landed as r52416 / f9a2e24bbc
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Id072cbe6b3ed30afd339c7e502844b99ca12a647
Reviewed-on: https://chromium-review.googlesource.com/1000540
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52492}
Merge the outer_scope_info and feedback_metadata fields on
SharedFunctionInfo. outer_scope_info is only used during parsing,
and feedback_metadata is only available after compilation, so the
two never exist at the same time. Thus, they can share a field slot.
The exception is un-compiling and re-compiling a function, where we
need the outer_scope_info again. Fortunately, the outer_scope_info
can be re-calculated from the SFI's scope_info.
Bug: v8:7606
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I6b97fefe859e89df75ad870da4a0bfa4b869772a
Reviewed-on: https://chromium-review.googlesource.com/992432
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52454}
This reverts commit f9a2e24bbc.
Reason for revert: gc stress failures not all fixed by follow up.
Original change's description:
> [cleanup] Refactor the Factory
>
> There is no good reason to have the meat of most objects' initialization
> logic in heap.cc, all wrapped by the CALL_HEAP_FUNCTION macro. Instead,
> this CL changes the protocol between Heap and Factory to be AllocateRaw,
> and all object initialization work after (possibly retried) successful
> raw allocation happens in the Factory.
>
> This saves about 20KB of binary size on x64.
>
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: Icbfdc4266d7be8b48d2fe085f03411743dc6a0ca
> Reviewed-on: https://chromium-review.googlesource.com/959533
> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#52416}
TBR=jkummerow@chromium.org,yangguo@chromium.org,mstarzinger@chromium.org,hpayer@chromium.org
Change-Id: Idbbc53478742f3e9525eee83342afc6aedae122f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/999414
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52420}
