- 14 May, 2020 23 commits
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Dan Elphick authored
Splits out all of PagedSpace and subclasses into paged-spaces.h. Also moves CodeObjectRegistry to code-object-registry.h. Bug: v8:10473, v8:10506 Change-Id: I35fab1e545e958eb32f3e39a5e2ce8fb087c2a53 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201763Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Dan Elphick <delphick@chromium.org> Cr-Commit-Position: refs/heads/master@{#67811}
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Milad Farazmand authored
Port 99a361ee Original Commit Message: Implementation for x64 and ia32. R=zhin@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I2b199a71178a3ebbe488d438b997014303a82d08 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2202717Reviewed-by:
Junliang Yan <jyan@ca.ibm.com> Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#67810}
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Dominik Inführ authored
Experimenting with incrementing live_byte_count_ using a relaxed CAS operation. If no regression is found, we could get away with background threads increasing that counter directly, instead of using separate counters like concurrent markers. Bug: v8:10315 Change-Id: I2e7a1f941a728f59d6e1fbd686d2eeb01ea4378a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201765Reviewed-by:
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Ng Zhi An authored
Implementation for x64 and ia32. Bug: v8:9909 Change-Id: Id494d292fe8ab464e07f4b9520d1c251d355615a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198456 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#67808}
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Andreas Haas authored
The --no-wasm-async-compilation disabled async compilation so far, but async compilation was still possible over streaming compilation. With this CL, also streaming compilation is disabled. R=clemensb@chromium.org Bug: v8:9760 Change-Id: I7e8d4db9e3bb960e8e7380e2190409f63b2f1968 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199343Reviewed-by:
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Ng Zhi An authored
Bug: v8:9909 Change-Id: Ia87c46a45804dc0a3b5e7275a92c263fbcd4b145 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2197547 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by:
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Peter Marshall authored
The devtools frontend used this to set a lower interval (100us). Now the frontend will stop setting this category and we will always profile with 100us (which was already the default). Bug: chromium:1082220 Change-Id: Iaa671d9750ad4c13b95c2c1ba1e433a1077c858a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198989Reviewed-by:
Sigurd Schneider <sigurds@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#67805}
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Thibaud Michaud authored
R=ahaas@chromium.org Change-Id: I757abd5d0e8e63745482e9bec66abf39a174f0ed Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201759Reviewed-by:
Andreas Haas <ahaas@chromium.org> Reviewed-by:
Milad Farazmand <miladfar@ca.ibm.com> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Cr-Commit-Position: refs/heads/master@{#67804}
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Omer Katz authored
This reverts commit 580917d2. Reason for revert: fix in patchset 2 Original change's description: > Revert "cppgc: Stack scanning using ObjectStartBitmap" > > This reverts commit d3a72e3c. > > Reason for revert: MSAN failures (https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/32360) > > Original change's description: > > cppgc: Stack scanning using ObjectStartBitmap > > > > This CL implements stack scanning for cppgc. > > Given a value on the stack, the MarkingVisitor uses > > PageBackend::Lookup to checks whether that address is on > > the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress > > (introduced in this CL) is used to get the relevant object > > header. Note that random addresses on the heap might point to > > free memory, object-start-bitmap, etc. > > > > If a valid object header is found: > > * If the object is not in construction, the GCInfoIndex is used > > the get the relevant Trace method and the object is traced. > > * Otherwise, the object is conservatively scanned - i.e. the > > payload of the object is iterated word by word and each word is > > treated as a possible pointer. > > > > Only addresses pointing to the payload on non-free objects are > > traced. > > > > BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the > > relevant space, thus all LABs are reset before scanning the stack. > > > > Bug: chromium:1056170 > > Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 > > Commit-Queue: Omer Katz <omerkatz@chromium.org> > > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > > Reviewed-by: Anton Bikineev <bikineev@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#67795} > > TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org > > Change-Id: I3caef6f9f55911fd1a86e895c3495d1b98b1eac2 > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Bug: chromium:1056170 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201136 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67796} TBR=ulan@chromium.org,mlippautz@chromium.org,leszeks@chromium.org,bikineev@chromium.org,omerkatz@chromium.org # Not skipping CQ checks because this is a reland. Bug: chromium:1056170 Change-Id: If7ea4fe5cb794c07544d5545f5d6548e3375d3ae Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201137Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#67803}
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Leszek Swirski authored
Avoid the SFI lookup in the script's weak SFI list, which could fail if the function was somehow GCed between allocation and finalization, and instead hold a Handle to each finalizing SFI in the finalization data structure. For similar reasons, also check that the compiled function to have its compilation finalized is still compiled by that point, because it could have been bytecode flushed. Bug: chromium:1081691 Change-Id: I4e1f681263473a966e782b23291636d10a9209c5 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199349 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by:
Ross McIlroy <rmcilroy@chromium.org> Auto-Submit: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#67802}
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Omer Katz authored
The existing non-builtin implementation is returning wrong results. For example, given the value 63 as a uint8_t it returns 38 (should be 6). The new implementation follows the naive algorithm presented in figure 5-1 in Hacker's Delight section 5-1. Note that the algorithm in the book is designed for 32 bit numbers, so we extended it to support 64 bit as well. Bug: chromium:1056170 Change-Id: I8fed9c449f80b01b8cc93d339529c0e1e0863fc0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199345Reviewed-by:
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Mythri A authored
When reducing api calls, TurboFan infers the maps of the receiver and tries to drop the compatibile receiver checks if we can verify that it is safe to do so. One of these checks involves checking that the holder is same across all of the receiver maps. However, when receiver itself is the holder the existing checks prevent TurboFan from optimizing the api calls. Change-Id: I6aad39a1a9bb351550e04dd883fa49d7d53ca691 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201076Reviewed-by:
Georg Neis <neis@chromium.org> Reviewed-by:
Maya Lekova <mslekova@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#67800}
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Leszek Swirski authored
Add a new OffThreadObjectDeserializer, which can deserialize a snapshot into an OffThreadIsolate. This involves templating the Deserializer base class on Isolate, and amending OffThreadHeap to be able to create Reservations same as the main-thread Heap can. Various off-thread incompatible methods are stubbed out as UNREACHABLE in OffThreadIsolate overloads. There is currently no API entry into the off-thread deserialization, but under --stress-background-compile it now runs the CodeDeserializer (i.e. code cache deserialization) in a background thread. Bug: chromium:1075999 Change-Id: I2453f51ae31df4d4b6aa94b0804a9d6d3a03781e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2172741 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Leszek Swirski authored
We can use existing macros to define this getter/setter rather than hand writing it -- as a side effect this ends up defining an Isolate overload of the getter which was otherwise missing. Bug: v8:10506 Change-Id: I0bc5a3082b5ed0416c8099a94e7d2e32a2bd363f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199350 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Ulan Degenbaev authored
It was enabled accidentally. Bug: chromium:1082426 Change-Id: I08019aeb3ddc34fea8ce9e08c6ace3a95335c171 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199354 Auto-Submit: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
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Leszek Swirski authored
This reverts commit d3a72e3c. Reason for revert: MSAN failures (https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/32360) Original change's description: > cppgc: Stack scanning using ObjectStartBitmap > > This CL implements stack scanning for cppgc. > Given a value on the stack, the MarkingVisitor uses > PageBackend::Lookup to checks whether that address is on > the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress > (introduced in this CL) is used to get the relevant object > header. Note that random addresses on the heap might point to > free memory, object-start-bitmap, etc. > > If a valid object header is found: > * If the object is not in construction, the GCInfoIndex is used > the get the relevant Trace method and the object is traced. > * Otherwise, the object is conservatively scanned - i.e. the > payload of the object is iterated word by word and each word is > treated as a possible pointer. > > Only addresses pointing to the payload on non-free objects are > traced. > > BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the > relevant space, thus all LABs are reset before scanning the stack. > > Bug: chromium:1056170 > Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 > Commit-Queue: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Anton Bikineev <bikineev@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67795} TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org Change-Id: I3caef6f9f55911fd1a86e895c3495d1b98b1eac2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:1056170 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201136Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#67796}
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Omer Katz authored
This CL implements stack scanning for cppgc. Given a value on the stack, the MarkingVisitor uses PageBackend::Lookup to checks whether that address is on the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress (introduced in this CL) is used to get the relevant object header. Note that random addresses on the heap might point to free memory, object-start-bitmap, etc. If a valid object header is found: * If the object is not in construction, the GCInfoIndex is used the get the relevant Trace method and the object is traced. * Otherwise, the object is conservatively scanned - i.e. the payload of the object is iterated word by word and each word is treated as a possible pointer. Only addresses pointing to the payload on non-free objects are traced. BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the relevant space, thus all LABs are reset before scanning the stack. Bug: chromium:1056170 Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 Commit-Queue: Omer Katz <omerkatz@chromium.org> Reviewed-by:
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Santiago Aboy Solanes authored
Basically, remove 'Turbolizer is currently migrating to TypeScript.' Bug: v8:7327 Change-Id: I83df1b4cf568e17c2e9393865702e5bb722a8b95 Notry: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199353Reviewed-by:
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cjihrig authored
This commit resolves compilation errors on SmartOS that were found while upgrading Node.js. See: https://github.com/nodejs/node/pull/32831 Change-Id: Ia2a2e028ba4f5bfd69c050cab4fb4e13af5eefd9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2191054Reviewed-by:
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Dan Elphick authored
Also adds missing header includes. Bug: v8:10473 Change-Id: Ib5bf599dae5bc954edcb6e6fcbd83004bd48c1eb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199347 Auto-Submit: Dan Elphick <delphick@chromium.org> Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
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Manos Koukoutos authored
Bug: chromium:1082309, chromium:1082083 Change-Id: I616da287adce5db7952eadf11364a7593e405fdb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199346Reviewed-by:
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Thibaud Michaud authored
R=ahaas@chromium.org Bug: v8:10408 Change-Id: Ic5cb2b915584c64656bfc5baf8c9524a7d5bf48c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196346Reviewed-by:
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Varun Varada authored
There should be a space between the quantity and the unit symbol as per the SI, so this commit fixes this issue. Change-Id: I3356942391d96906f3e3840c7bb802e10f29eb4a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190230 Commit-Queue: Yang Guo <yangguo@chromium.org> Reviewed-by:
Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#67789}
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- 13 May, 2020 17 commits
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Omer Katz authored
This is needed to trace objects found durinbg stack scanning. Bug: chromium:1056170 Change-Id: I1280d98f2fe69281c514b3a7d4a57f909a2eed96 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190425 Commit-Queue: Omer Katz <omerkatz@chromium.org> Reviewed-by:
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Ng Zhi An authored
Bug: v8:10501 Change-Id: I6dad0f4da4d7c50d0793d39a5a119defb6b53844 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2191392 Commit-Queue: Zhi An Ng <zhin@chromium.org> Reviewed-by:
Deepti Gandluri <gdeepti@chromium.org> Cr-Commit-Position: refs/heads/master@{#67787}
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Ng Zhi An authored
The AVX implementation does not have dst == input(0), so the vminps call was wrong. The intention is to compare the 2 input operands. Bug: chromium:1081030 Change-Id: Id54074327a6aca4b75988fc9d85beccfeabfc791 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2194471Reviewed-by:
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Bill Budge authored
- Rewrites the following builtins using Torque: WasmAtomicNotify WasmI32AtomicWait64 WasmI64AtomicWait64 WasmAllocateStruct - Adds some helper builtins to reduce the size of the Atomics builtins. These do multiple conversions and CSA inlines all of this code. As these are runtime calls, the call overhead should be negligible. WasmInt32ToNumber WasmUint32ToNumber Change-Id: Ie15e15a965dc383c54ae50164d83bce211178888 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2176895Reviewed-by:
Bill Budge <bbudge@chromium.org> Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
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Michael Lippautz authored
Bug: chromium:1056170 Change-Id: I1b6787ecea6ad58173a0bcc8e8d0862a5b19d299 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199342 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Auto-Submit: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
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Igor Sheludko authored
... when one of the receivers is a JSArray that may have a read-only length. Bug: chromium:1069530 Change-Id: Idbaf1a9030bb5a0f9c25e30925f18f603a99832f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196353Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#67783}
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Zhao Jiazhong authored
Port 91cbf3e3 https://crrev.com/c/2171475 Change-Id: I09e24f7da0449fa891633794bc3a8ef639352eeb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198862Reviewed-by:
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Zhao Jiazhong authored
Port b931af5d https://crrev.com/c/2190423 Change-Id: I9d5eeae078604e1bd5241afea14f169f45711ce3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198056Reviewed-by:
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Milad Farazmand authored
Port 91cbf3e3 R=zhiguo.zhou@intel.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: Ie69563747b10a2a783289d21b39ea3c48e99e2c9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198361Reviewed-by:
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Andreas Haas authored
This CL fixes a bug in Liftoff where stack parameters for builtins were pushed in the reversed order. CC=bbudge@chromium.org R=clemensb@chromium.org Bug: v8:10281 Change-Id: I51ab4f19b0dc3835140ca3c05c98cc82dfe9cac4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196341Reviewed-by:
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Marja Hölttä authored
We can't attach a meaningful stack trace to the AggregateError Promise.any rejects with, but we can augment the individual errors' stack traces with Promise.any and the index of the corresponding Promise in the input. Bug: v8:9808 Change-Id: I7ba754c9b043594decaac8b3a23be74f05c3dffd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198983 Commit-Queue: Marja Hölttä <marja@chromium.org> Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Reviewed-by:
Dominik Inführ <dinfuehr@chromium.org> Cr-Commit-Position: refs/heads/master@{#67778}
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Clemens Backes authored
Frames that have not been compiled by Liftoff for debugging are uninspectable. Instead of reporting an empty local scope and stack scope in this case, just don't report these two scopes at all. This also fixes a case missed in https://crrev.com/c/2196349, where we would still try to generate the stack scope for non-debugging code. Drive-by: Use {WasmFrame} instead of {StandardFrame} in the {DebugWasmScopeIterator}, and use the {FrameInspectionScope} consistently. R=thibaudm@chromium.org, bmeurer@chromium.org CC=kimanh@chromium.org Bug: v8:10359, chromium:1071757, chromium:1079328, chromium:1072839 Change-Id: I3a3731a0bd9f582f94458500252922b4146e394f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198982Reviewed-by:
Thibaud Michaud <thibaudm@chromium.org> Reviewed-by:
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Leszek Swirski authored
Add const Page iterators to Spaces, and add whichever const methods are necessary for this to work. This and a couple more const methods allows us to make Heap::Contains const. Change-Id: I1b63a10575ccdb8a3979aef4fa63a97b288ff836 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198975 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Auto-Submit: Leszek Swirski <leszeks@chromium.org> Reviewed-by:
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Dominik Inführ authored
Ensure that page header flags are properly initialized before concurrent markers can discover objects. Bug: v8:10315 Change-Id: Ib9ce813dfd3fda75e4ee209a846828366222b110 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198990Reviewed-by:
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Dan Elphick authored
BasicMemoryChunk will become the base class for ReadOnlySpace pages which won't be MemoryChunks. Since ReadOnlySpace pages don't participate in GC they don't need slot_set_. Also some references to BasicMemoryChunk fields that were still prefixed with MemoryChunk:: Bug: v8:10454 Change-Id: If8ce40c7ee72d1617d2a1161ad9d4b7929f8a8e7 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198988 Auto-Submit: Dan Elphick <delphick@chromium.org> Reviewed-by:
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Jakob Gruber authored
With the default arg, node->Print() complains about a missing parameter in gdb. This CL adds a wrapper method instead of the default arg. Change-Id: Idd6e5bb8e0022255449d5f54420d930b55ca1134 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198991Reviewed-by:
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Michael Lippautz authored
This is a reland of 3df36990 Original change's description: > cppgc: Port ObjectStartBitmap > > This ports ObjectStartBitmap from Blink. > > Bug: chromium:1056170 > Change-Id: Ib959d9ac1c5e1e34ffa6418f77956e993c570ffc > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2181331 > Commit-Queue: Anton Bikineev <bikineev@chromium.org> > Reviewed-by: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67735} Bug: chromium:1056170 Change-Id: I6e2fd99e96bebe3060f4feb8503ab04c0d452d51 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198986Reviewed-by:
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