Windows won't create empty .lib files, and will subsequently fail to
find the library other rules expect
R=machenbach@chromium.org
BUG=
Change-Id: I8b848834a6957c2164f0eafc853587d39ccb6ca9
Reviewed-on: https://chromium-review.googlesource.com/440244
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43141}
Collect code coverage from the available invocation counts.
The granularity is at function level, and invocation counts may
be lost to GC.
Coverage::Collect returns a std::vector of Coverage::ScriptData.
Each ScriptData contains a script ID and a std::vector of
Coverage::RangeEntry.
Each RangeEntry consists of a end position and the invocation
count. The start position is implicit from the end position of
the previous RangeEntry, or 0 if it's the first RangeEntry.
R=jgruber@chromium.org
BUG=v8:5808
Review-Url: https://codereview.chromium.org/2689493002
Cr-Commit-Position: refs/heads/master@{#43072}
Includes the port of these three builtins: FastNewStrictArguments,
FastNewSloppyArguments and FastNewRestParameter. Also inline
the implementation of these into the corresponding interpreter
byte codes.
BUG=v8:5269
LOG=N
R=ishell@chromium.org, rmcilroy@chromium.org
Review-Url: https://codereview.chromium.org/2645743002
Cr-Commit-Position: refs/heads/master@{#43002}
... and TypeFeedbackMetadata to FeedbackMetadata.
BUG=
Change-Id: I2556d1c2a8f37b8cf3d532cc98d973b6dc7e9e6c
Reviewed-on: https://chromium-review.googlesource.com/439244
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#42999}
This adds optional multi-architecture builds, allowing to compile
x86 and x64 in one build. The correctness fuzzer can be configured to
compare the two executables, e.g. to compare x86 to x64 run the
launcher with: --second-d8=clang_x86/d8 in an x64 build.
Configuring the executable's architecture is now simplified and
inferred from the gn build configuration.
Building for clusterfuzz has now a new canonical target that can be
used by the infrastructure (defaults to d8).
The clusterfuzz release builder is now defined to compile
multi-arch builds, which will have an effect as soon as the
infrastructure refers to the new clusterfuzz target.
BUG=chromium:673246
NOTRY=true
TBR=mstarzinger,jarin
Review-Url: https://codereview.chromium.org/2649133010
Cr-Commit-Position: refs/heads/master@{#42884}
This is essentially a port of http://crrev.com/2403003002 to TurboFan,
adding support for fast access to JSGlobalObject properties through the
current native contexts' JSGlobalProxy.
It's a slightly bigger change, since JSNativeContextSpecialization and
JSGlobalObjectSpecialization needs merging for this to work, as due to
different type feedback layout we cannot just turn a JSLoadNamed into
JSLoadGlobal operator (and same for JSStoreNamed vs. JSStoreGlobal).
This part of the change is mostly mechanical.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_rel_ng
R=ishell@chromium.org, jochen@chromium.org
BUG=chromium:634276,v8:5267
Review-Url: https://codereview.chromium.org/2664853002
Cr-Commit-Position: refs/heads/master@{#42805}
They have the same lifetime. It's a match!
Both structures are native context dependent and dealt with (creation,
clearing, gathering feedback) at the same time. By treating the spaces used
for literal boilerplates as feedback vector slots, we no longer have to keep
track of the materialized literal count elsewhere.
A follow-on CL removes even more parser infrastructure related to this count.
BUG=v8:5456
Review-Url: https://codereview.chromium.org/2655853010
Cr-Commit-Position: refs/heads/master@{#42771}
Chrome now uses the default_args system for specifying its own definitions of
these variables so the separate file in build_overrides is no longer necessary.
BUG=684096
Review-Url: https://codereview.chromium.org/2652263003
Cr-Commit-Position: refs/heads/master@{#42712}
The data produced at the moment only contains information about scope type +
positions, and only the most trivial tests pass.
Upcoming CLs will extend the data to contain information about variables (once
PreParser can produce it) and add more test cases.
BUG=v8:5516
Review-Url: https://codereview.chromium.org/2650703003
Cr-Commit-Position: refs/heads/master@{#42656}
We're converting the build_overrides system to the new default_args list of
overrides that can be listed in the toplevel .gn file. This will allow args to
be set on a per-repo basis.
This change conditionally adds the variables currently defined in
build_overrides/v8.gni to build args. This allows V8's build to be used in both
the new and old systems. Once all Chrome and pdfium have been updated, v8's
build overrides and the conditional checks around the new args can be removed.
BUG=684096
Review-Url: https://codereview.chromium.org/2654663003
Cr-Commit-Position: refs/heads/master@{#42639}
Reason for revert:
Blocks roll https://codereview.chromium.org/2647183002/
Original issue's description:
> [build] Introduce an embedder version string
>
> Sometimes, the embedder might want to merge a fix to an abandoned branch
> or to a supported branch but the fix is not relevant to Chromium.
> This adds a new version string that the embedder can set on compile time
> and that will be appended to the official V8 version.
> The separator must be provided in the string. For instance, to have a
> full version string like "5.5.372.37.custom.1", the embedder must set
> V8_EMBEDDER_STRING to ".custom.1".
>
> Related Node.js issue: https://github.com/nodejs/node/pull/9754
>
> BUG=v8:5740
> R=machenbach@chromium.org,hablich@chromium.com,ofrobots@google.com
>
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_rel_ng
>
> Review-Url: https://codereview.chromium.org/2619213002
> Cr-Original-Commit-Position: refs/heads/master@{#42175}
> Committed: fc86d4329b
> Review-Url: https://codereview.chromium.org/2619213002
> Cr-Commit-Position: refs/heads/master@{#42582}
> Committed: 2c1d1e6088TBR=hablich@chromium.com,machenbach@chromium.org,ofrobots@google.com,mic.besace@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5740
Review-Url: https://codereview.chromium.org/2643393004
Cr-Commit-Position: refs/heads/master@{#42583}
Sometimes, the embedder might want to merge a fix to an abandoned branch
or to a supported branch but the fix is not relevant to Chromium.
This adds a new version string that the embedder can set on compile time
and that will be appended to the official V8 version.
The separator must be provided in the string. For instance, to have a
full version string like "5.5.372.37.custom.1", the embedder must set
V8_EMBEDDER_STRING to ".custom.1".
Related Node.js issue: https://github.com/nodejs/node/pull/9754
BUG=v8:5740
R=machenbach@chromium.org,hablich@chromium.com,ofrobots@google.com
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_rel_ng
Review-Url: https://codereview.chromium.org/2619213002
Cr-Original-Commit-Position: refs/heads/master@{#42175}
Committed: fc86d4329b
Review-Url: https://codereview.chromium.org/2619213002
Cr-Commit-Position: refs/heads/master@{#42582}
This moves AsyncFunctionAwait{Caught,Uncaught} to CSA, and removes
async-await.js.
BUG=v8:5639
Review-Url: https://codereview.chromium.org/2643023002
Cr-Commit-Position: refs/heads/master@{#42579}
E.g., ast/ast.h uses Label but shouldn't need to include assembler.h for that. With
this change, we can hope for proper layering in the future (not quite there
yet).
Also includes minor random include lowering and relevant IWYU fixes.
BUG=v8:5294
Review-Url: https://codereview.chromium.org/2645063002
Cr-Commit-Position: refs/heads/master@{#42563}
- builtins-ic.cc takes the place of the AccessorAssembler shim
- AccessorAssemblerImpl can then be renamed
- some cleanup in code-factory.cc
- drop old _TF name suffixes
- fix Generate##Name##Impl in TF_BUILTIN macro
Review-Url: https://codereview.chromium.org/2647493002
Cr-Commit-Position: refs/heads/master@{#42520}
Reason for revert:
Blocks roll: https://codereview.chromium.org/2633463002/
Original issue's description:
> Pull define for version out into v8-version.h and separate build target
>
> This is part of removing the dependency of the Chromium browser DLL on
> Windows on V8.
>
> R=jochen@chromium.org
> BUG=chromium:581766
>
> Review-Url: https://codereview.chromium.org/2621983002
> Cr-Commit-Position: refs/heads/master@{#42243}
> Committed: 4593845417TBR=jochen@chromium.org,machenbach@chromium.org,scottmg@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:581766
Review-Url: https://codereview.chromium.org/2627713008
Cr-Commit-Position: refs/heads/master@{#42257}
Including a fix: object-macros.h needs to be the last include: otherwise
we'll have a problem when a file does this:
#include "object-macros.h"
#include "x.h" // x.h also includes object-macros.h
BUG=v8:5402
Review-Url: https://codereview.chromium.org/2623573003
Cr-Commit-Position: refs/heads/master@{#42187}
Reason for revert:
Seems to break the Chromium build: https://codereview.chromium.org/2619193005/
Message:
[1832/9671] CXX obj/v8/v8_base/version.o
FAILED: obj/v8/v8_base/version.o
/b/c/cipd/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/v8/v8_base/version.o.d -DV8_DEPRECATION_WARNINGS -DDCHECK_ALWAYS_ON=1 -DUSE_UDEV -DUI_COMPOSITOR_IMAGE_TRANSPORT -DUSE_AURA=1 -DUSE_PANGO=1 -DUSE_CAIRO=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DUSE_PROPRIETARY_CODECS -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=289944-2 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DV8_I18N_SUPPORT -DENABLE_HANDLE_ZAPPING -DV8_USE_EXTERNAL_STARTUP_DATA -DV8_TARGET_ARCH_X64 -DDEBUG -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -I../.. -Igen -I../../v8 -I../../v8/include -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -fcolor-diagnostics -fdebug-prefix-map=/b/c/b/linux/src=. -m64 -march=x86-64 -pthread -g1 --sysroot=../../build/linux/debian_wheezy_amd64-sysroot -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Werror -Wall -Wno-unused-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-deprecated-register -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-shift-negative-value -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wsign-compare -Winconsistent-missing-override -Wshorten-64-to-32 -O3 -fno-ident -fdata-sections -ffunction-sections -fno-threadsafe-statics -fvisibility-inlines-hidden -std=gnu++11 -fno-rtti -fno-exceptions -Wno-deprecated -c ../../v8/src/version.cc -o obj/v8/v8_base/version.o
../../v8/src/version.cc:42:34: error: use of undeclared identifier 'V8_EMBEDDER_STRING'
const char* Version::embedder_ = V8_EMBEDDER_STRING;
^
1 error generated.
Original issue's description:
> [build] Introduce an embedder version string
>
> Sometimes, the embedder might want to merge a fix to an abandoned branch
> or to a supported branch but the fix is not relevant to Chromium.
> This adds a new version string that the embedder can set on compile time
> and that will be appended to the official V8 version.
> The separator must be provided in the string. For instance, to have a
> full version string like "5.5.372.37.custom.1", the embedder must set
> V8_EMBEDDER_STRING to ".custom.1".
>
> Related Node.js issue: https://github.com/nodejs/node/pull/9754
>
> BUG=v8:5740
> R=machenbach@chromium.org,hablich@chromium.com,ofrobots@google.com
>
> Review-Url: https://codereview.chromium.org/2619213002
> Cr-Commit-Position: refs/heads/master@{#42175}
> Committed: fc86d4329bTBR=hablich@chromium.com,machenbach@chromium.org,ofrobots@google.com,mic.besace@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5740
Review-Url: https://codereview.chromium.org/2621033002
Cr-Commit-Position: refs/heads/master@{#42182}
... including property reconfiguring, elements kind change and migration
of a map to an up-to-date non-deprecated version.
BUG=v8:5495
Review-Url: https://codereview.chromium.org/2601643002
Cr-Commit-Position: refs/heads/master@{#42177}
Sometimes, the embedder might want to merge a fix to an abandoned branch
or to a supported branch but the fix is not relevant to Chromium.
This adds a new version string that the embedder can set on compile time
and that will be appended to the official V8 version.
The separator must be provided in the string. For instance, to have a
full version string like "5.5.372.37.custom.1", the embedder must set
V8_EMBEDDER_STRING to ".custom.1".
Related Node.js issue: https://github.com/nodejs/node/pull/9754
BUG=v8:5740
R=machenbach@chromium.org,hablich@chromium.com,ofrobots@google.com
Review-Url: https://codereview.chromium.org/2619213002
Cr-Commit-Position: refs/heads/master@{#42175}
This adds the correctness fuzzer harness files to the output
directory guarded by a gn arg.
The switch will be turned on on the builder uploading builds to
clusterfuzz.
BUG=chromium:673246
NOTRY=true
TBR=tandrii@chromium.org,jochen@chromium.org
Review-Url: https://codereview.chromium.org/2623843002
Cr-Commit-Position: refs/heads/master@{#42166}
The attached chromium bug suggests that turning this on via a flag
regressed a perf test. Having previously run into slowdowns due
to experimental JS natives, my suspicion is that this regression
can be fixed by including the new builtins in the snapshot.
My intention is to land this patch to see if the regression
goes away on the bots.
Given the nature of this feature, it seems low-risk to remove
the runtime flag. If need be, it would be trivial to craft
a patch to remove these two methods from String.prototype
if we run into web compat issues during the release (note
that no release branch has yet picked up this feature).
BUG=v8:4954, chromium:677444
Review-Url: https://codereview.chromium.org/2610853010
Cr-Commit-Position: refs/heads/master@{#42111}
Store maps on the CheckMaps operator instead of burning inputs for
the individual maps. Use the same data structure (the ZoneHandleSet)
in the LoadElimination to track multiple maps per object.
BUG=v8:5267
R=jarin@chromium.org
Review-Url: https://codereview.chromium.org/2431563002
Cr-Commit-Position: refs/heads/master@{#42010}
This removes RegExpPrototypeSpeciesGetter and IteratorPrototypeIterator and
uses ReturnReceiver builtin instead.
This patch also ports the PromiseSpecies to TF by reusing this
builtin.
BUG=v8:5343
Review-Url: https://codereview.chromium.org/2590373002
Cr-Commit-Position: refs/heads/master@{#41879}
This moves the platform-specific distinction to one place, and allows
to just include assembler-inl.h instead of macro-assembler.h to get the
correct inline functions defined in assembler.h (e.g.
RelocInfo::set_target_address).
R=mstarzinger@chromium.org, titzer@chromium.org
Review-Url: https://codereview.chromium.org/2587113002
Cr-Commit-Position: refs/heads/master@{#41843}
Use FastAsciiConvert (as used by Unibrow) for i18n-aware
case conversion with --icu_case_mapping.
Move FastAsciiConvert to src/string-case.cc so that it can be used
by both runtime-{string,i18n}.
Add more tests.
BUG=v8:4477,v8:4476
TEST=intl/general/case*
Review-Url: https://codereview.chromium.org/2533983006
Cr-Commit-Position: refs/heads/master@{#41821}
This patch introduces:
1. ICStats class to store ic statistics items produced by V8,
2. A disabled by default tracing category v8.ic_stats,
3. An trace event V8.ICStats that contains ic statistics items in args,
We store ic statistics items in an array until the array is full to reduce
the number of trace events.
TBR=jkummerow@chromium.org,ishell@chromium.org
Review-Url: https://codereview.chromium.org/2503183002
Cr-Commit-Position: refs/heads/master@{#41559}
This CL adds a new header src/debug/interface-types.h, moves the
definition of Location from the debug-interface.h to this new header,
and adds a new definition for the WasmDisassembly types.
This allows to use the types in other implementation files or headers
without having to include the entire debug-interface.h, reducing build
dependencies and compile time (especially for incremental builds).
The WasmDisassembly type replaces the old
std::pair<std::string, std::vector<std::tuple<...>>>, which was a bit
hard to unravel.
R=yangguo@chromium.org, kozyatinskiy@chromium.org, titzer@chromium.org
Review-Url: https://codereview.chromium.org/2529383002
Cr-Commit-Position: refs/heads/master@{#41488}
This allows us to optimise the bytecode liveness analysis to jump
directly to previously seen indices. The analysis is optimised to store
a stack of loop ends (JumpLoop bytecode indices), and iterate through
these indices directly rather than looping through the bytecode array to
find them.
Review-Url: https://codereview.chromium.org/2536653003
Cr-Commit-Position: refs/heads/master@{#41485}
Replaces the graph-based liveness analyzer in the bytecode graph builder
with an initial bytecode-based liveness analysis pass, which is added to
the existing loop extent analysis.
Now the StateValues in the graph have their inputs initialised to
optimized_out, rather than being modified after the graph is built.
Review-Url: https://codereview.chromium.org/2523893003
Cr-Commit-Position: refs/heads/master@{#41355}
Reason for revert:
Breaks the build:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20shared/builds/14886
Original issue's description:
> [ignition/turbo] Perform liveness analysis on the bytecodes
>
> Replaces the graph-based liveness analyzer in the bytecode graph builder
> with an initial bytecode-based liveness analysis pass, which is added to
> the existing loop extent analysis.
>
> Now the StateValues in the graph have their inputs initialised to
> optimized_out, rather than being modified after the graph is built.
>
> Committed: https://crrev.com/1852300954c216c29cf93444430681d213e87925
> Cr-Commit-Position: refs/heads/master@{#41344}
TBR=jarin@chromium.org,rmcilroy@chromium.org,yangguo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Review-Url: https://codereview.chromium.org/2541443002
Cr-Commit-Position: refs/heads/master@{#41346}
Replaces the graph-based liveness analyzer in the bytecode graph builder
with an initial bytecode-based liveness analysis pass, which is added to
the existing loop extent analysis.
Now the StateValues in the graph have their inputs initialised to
optimized_out, rather than being modified after the graph is built.
Review-Url: https://codereview.chromium.org/2523893003
Cr-Commit-Position: refs/heads/master@{#41344}
They're supposed to be stable across several parse passes, so we'll also
store them in the associated SharedFunctionInfos
To achieve this, the PreParser and Parser need to generated the same number of
FunctionLiterals. To achieve this, we teach the PreParser about desuggaring of
class literals.
For regular functions, the function IDs are assigned in the order they occur in
the source. For arrow functions, however, we only know that it's an arrow function
after parsing the parameter list, and so the ID assigned to the arrow function is
larger than the IDs assigned to functions defined in the parameter list. This
implies that we have to reset the function ID counter to before the parameter list
when re-parsing an arrow function. To be able to do this, we store the number of
function literals found in the parameter list of arrow functions as well.
BUG=v8:5589
Review-Url: https://codereview.chromium.org/2481163002
Cr-Commit-Position: refs/heads/master@{#41309}
The AstGraphBuilder pipeline is only used for asm.js now, so the whole
type feedback mechanism is essentially dead code currently, thus we
better nuke it.
BUG=v8:5267,v8:5657
Review-Url: https://codereview.chromium.org/2523953002
Cr-Commit-Position: refs/heads/master@{#41201}
Now that we have a JumpLoop bytecode, we can heavily simplify the
branch/loop analysis by assuming that only JumpLoop bytecodes are
backwards edges, and performing the loop analysis as a single
(backwards) pass.
This allows us to get rid of the branch analysis entirely, and builds a
framework to do liveness analysis in the same pass.
Review-Url: https://codereview.chromium.org/2519983002
Cr-Commit-Position: refs/heads/master@{#41194}
The handwritten-assembly implementations of both dispatcher and
generic stub have been replaced by Turbofan-generated stubs.
Review-Url: https://codereview.chromium.org/2523473002
Cr-Commit-Position: refs/heads/master@{#41188}
When disassembling functions for the inspector, we used an internal
text representation before. This CL implements the official text
format like it is understood by the spec interpreter.
Example output:
func $main (param i32) (result i32)
block i32
get_local 0
i32.const 2
i32.lt_u
if
i32.const -2
return
end
get_local 0
call_indirect 0
end
R=rossberg@chromium.org, titzer@chromium.org
BUG=chromium:659715
Review-Url: https://codereview.chromium.org/2520943002
Cr-Commit-Position: refs/heads/master@{#41172}
Instead of directly using v8_enable_inspector_override from
build_overrides/v8.gni in all the GN configs, set a v8_enable_inspector
variable based on v8_enable_inspector_override and use that everywhere.
This is the more common pattern seen in over projects, and reduces the
need to include //build_overrides/v8.gni in many files.
Review-Url: https://codereview.chromium.org/2520683002
Cr-Commit-Position: refs/heads/master@{#41156}
This pre-calculates and stores a vector of bytecode offsets, and then allows
one to iterate over it backwards. This could probably be adapted to a
bidirectional/random access iterator if we wanted to, but for now reverse
is all we need.
Review-Url: https://codereview.chromium.org/2518003002
Cr-Commit-Position: refs/heads/master@{#41153}
Refactors the bytecode array iterator to separate the iteration and the
bytecode parameter access, placing the latter into a separate
super-class. This will allow us to have other forms of access, e.g.
reverse iteration.
Review-Url: https://codereview.chromium.org/2519923002
Cr-Commit-Position: refs/heads/master@{#41152}
In component build, fuzzer did not link with icu libraries, causing
errors. By adding icu libraries to dependencies fuzzer links correctly.
BUG=
TEST=fuzzer/*
Review-Url: https://codereview.chromium.org/2510063002
Cr-Commit-Position: refs/heads/master@{#41098}
The new AccessorAssembler encapsulates all the functionality that's
specific to building LoadIC/StoreIC stubs.
There are two header files (accessor-assembler.h and
accessor-assembler-impl.h) so that clients of the assembler can include
the one, and subclassing assemblers can include the other.
Review-Url: https://codereview.chromium.org/2507733002
Cr-Commit-Position: refs/heads/master@{#41037}
When generating snapshot on a machine with a different page size than
the target machine, we can run into problems as the v8 page area size
changes. This is because v8 has page guards which depend on os page
size, so if the target has larger os page, v8 page area is smaller and
may not fit the contents.
The solution proposed here is adding a flag, v8_os_page_size, that
would, if used, override local os page size and use the one specified
during snapshot generation.
BUG=
Review-Url: https://codereview.chromium.org/2488403003
Cr-Commit-Position: refs/heads/master@{#40997}
SourcePosition::InliningId() refers to a the new table DeoptimizationInputData::InliningPositions(), which provides the following data for every inlining id:
- The inlined SharedFunctionInfo as an offset into DeoptimizationInfo::LiteralArray
- The SourcePosition of the inlining. Recursively, this yields the full inlining stack.
Before the Code object is created, the same information can be found in CompilationInfo::inlined_functions().
If SourcePosition::InliningId() is SourcePosition::kNotInlined, it refers to the outer (non-inlined) function.
So every SourcePosition has full information about its inlining stack, as long as the corresponding Code object is known. The internal represenation of a source position is a positive 64bit integer.
All compilers create now appropriate source positions for inlined functions. In the case of Turbofan, this required using AstGraphBuilderWithPositions for inlined functions too. So this class is now moved to a header file.
At the moment, the additional information in source positions is only used in --trace-deopt and --code-comments. The profiler needs to be updated, at the moment it gets the correct script offsets from the deopt info, but the wrong script id from the reconstructed deopt stack, which can lead to wrong outputs. This should be resolved by making the profiler use the new inlining information for deopts.
I activated the inlined deoptimization tests in test-cpu-profiler.cc for Turbofan, changing them to a case where the deopt stack and the inlining position agree. It is currently still broken for other cases.
The following additional changes were necessary:
- The source position table (internal::SourcePositionTableBuilder etc.) supports now 64bit source positions. Encoding source positions in a single 64bit int together with the difference encoding in the source position table results in very little overhead for the inlining id, since only 12% of the source positions in Octane have a changed inlining id.
- The class HPositionInfo was effectively dead code and is now removed.
- SourcePosition has new printing and information facilities, including computing a full inlining stack.
- I had to rename compiler/source-position.{h,cc} to compiler/compiler-source-position-table.{h,cc} to avoid clashes with the new src/source-position.cc file.
- I wrote the new wrapper PodArray for ByteArray. It is a template working with any POD-type. This is used in DeoptimizationInputData::InliningPositions().
- I removed HInlinedFunctionInfo and HGraph::inlined_function_infos, because they were only used for the now obsolete Crankshaft inlining ids.
- Crankshaft managed a list of inlined functions in Lithium: LChunk::inlined_functions. This is an analog structure to CompilationInfo::inlined_functions. So I removed LChunk::inlined_functions and made Crankshaft use CompilationInfo::inlined_functions instead, because this was necessary to register the offsets into the literal array in a uniform way. This is a safe change because LChunk::inlined_functions has no other uses and the functions in CompilationInfo::inlined_functions have a strictly longer lifespan, being created earlier (in Hydrogen already).
BUG=v8:5432
Review-Url: https://codereview.chromium.org/2451853002
Cr-Commit-Position: refs/heads/master@{#40975}
In component build, unittests did not link with icu libraries, which
caused errors. By adding icu libraries to dependencies unittests links
correctly.
BUG=
TEST=unittests/*
Review-Url: https://codereview.chromium.org/2479863002
Cr-Commit-Position: refs/heads/master@{#40955}
- Creates a new promise-utils.{h, cc} which refactors out the
logic to create resolving functions. This is shared between the
runtime functions and builtins.
- Changes PromiseResolveThenableJobInfo to store the context
since we no longer create the resolving functions in JS.
- Changes EnqueuPromiseResolveThenableJob to take in the promise and
not the callbacks.
BUG=v8:5343
Review-Url: https://codereview.chromium.org/2487053002
Cr-Commit-Position: refs/heads/master@{#40941}
This CL moves all heap-allocated WASM data structures, both ones
that are bonafide JSObjects and ones that are FixedArrays only, into a
consistent place with consistent layout. Note that not all accessors are complete, and I haven't fully spread the new static typing goodness
to all places in the code.
R=ahaas@chromium.org,rossberg@chromium.org
CC=gdeepti@chromium.org,mtrofin@chromium.org,clemensh@chromium.org
BUG=
Review-Url: https://codereview.chromium.org/2490663002
Cr-Commit-Position: refs/heads/master@{#40913}
- A new runtime function (%create_resolving_functions) is installed to
call the CreateResolvingFunctions builtin from JS.
- Three new builtins are created - resolve and reject functions and a
third function that creates a new JSFunctions from these
resolve/reject builtins.
- The promise reject function is installed on the context temporarily
as internal_promise_reject. This should go away once we remove
PromiseSet.
BUG=v8:5343
Review-Url: https://codereview.chromium.org/2459283004
Cr-Commit-Position: refs/heads/master@{#40903}
This patch removes TracingCategoryObserver API and moves the creation of
observer inside platform initialization, by assuming that either
Platform::AddTraceStateObserver is implemented correctly to add observer to
tracing controller that implemented by embedders, or default tracing controller
has already been set up and attached to platform before
v8::V8::InitializePlatform is called.
BUG=v8:5590
Review-Url: https://codereview.chromium.org/2471583004
Cr-Commit-Position: refs/heads/master@{#40739}
This patch implements TracingCategoryObserver to set global flag when a V8
specific category is enabled. Previously, we set a global flag each time when we
encounter a top level trace event, and use it as a global check. With this
patch, we can set a group of flags when tracing is enabled; besides, we make
V8 tracing feature use V8 flags instead of defining its own flag in a messy way.
With this patch, whatever V8 flag we want to imply in tracing, we define another
integer flag, and the original V8 flag will set it to 0x01 when passing by
commandline, tracing will set it to 0x10 when we start tracing and reset the bit
when we stop tracing.
Review-Url: https://codereview.chromium.org/2436273002
Cr-Commit-Position: refs/heads/master@{#40659}
This patch moves promise specific runtime functions
to runtime-promise.cc from runtime-internal.cc
BUG=v8:5343
Review-Url: https://codereview.chromium.org/2452833003
Cr-Commit-Position: refs/heads/master@{#40618}
Since ZoneLists are essentially non-standard ZoneVectors and have a bad
growing behaviour (ZoneList-allocations make up ~50% of website parse
zone memory) we should stop using them. The zone-containers are merely
a clean-up, with none of them actually better suited to be used with
zones. This new datastructure allows most operations of a LinkedList (
except pop_first and insertAt/removeAt) but uses about the same memory
as a well-initialized ZoneVector/ZoneList (<3% overhead with reasonably
large lists). It also never attempts to free memory again (which would
not work in zones anyway).
The ZoneChunkList is essentially a doubly-linked-list of arrays of
variable size.
Some test-results where I tried storing 16k pointers in different list
types (lists themselves also zone-allocated):
List type Zone memory used Time taken
-----------------------------------------------------------------------
Zone array (for comparison) 131072 B
Ideally initialized ZoneList 131088 B 0.062ms
ChunkZoneList 134744 B 0.052ms <--new thing
ZoneDeque 141744 B
ZoneLinkedList 393264 B
Initially empty ZoneList 524168 B 0.171ms <--right now
ChunkZoneList only push_front 524320 B
Review-Url: https://codereview.chromium.org/2449383002
Cr-Commit-Position: refs/heads/master@{#40602}
The meaning of the HValue::kAllowUndefinedAsNaN is actually ToNumber
conversion (except for the uses in HBranch and HCompareHoleAndBranch,
which were confusing and useless anyways), so fix the naming to match
that.
Also properly integrate the handling of this flag with the existing
truncation analysis that is run as part of the representation changes
phase (i.e. where we already deal with truncating to int32 and smi).
This is done in preparation of allowing Crankshaft to handle any kind
of Oddball in the ToNumber truncation, instead of just undefined for
truncation ToNumber and undefined or boolean for ToInt32. It also helps
to make Crankshaft somewhat more compatible with the (saner)
implementation in TurboFan.
R=yangguo@chromium.org
BUG=v8:5400
Review-Url: https://codereview.chromium.org/2449353002
Cr-Commit-Position: refs/heads/master@{#40577}
This CL removes code that is now unused since the port of regexp.js has been
completed. Removed functions / classes are:
* regexp.js (GetSubstitution moved to string.js)
* RegExpConstructResult stub
* RegExpFlags intrinsic
* RegExpSource intrinsic
* RegExpInitializeAndCompile runtime function
BUG=v8:5339
Review-Url: https://codereview.chromium.org/2448463002
Cr-Commit-Position: refs/heads/master@{#40547}
Depending on the inputs the fuzzer creates multiple functions. These
functions can have signatures with an int32 return value and up to three
parameters of type int32, int64, float32, or float64.
R=titzer@chromium.org, clemensh@chromium.org
Review-Url: https://codereview.chromium.org/2447643002
Cr-Commit-Position: refs/heads/master@{#40530}
Additionally, remove all code related to the old-style slots filtering and black area end markers.
BUG=chromium:648568
Review-Url: https://chromiumcodereview.appspot.com/2440683002
Cr-Commit-Position: refs/heads/master@{#40494}
Reason for revert:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Android%20Arm64%20-%20builder/builds/4851
Original issue's description:
> Update implementation of atomics with latest Chromium version but use compiler builtin atomics
>
> Ideally, we would use the standard library. However, when we are compiling against an older version of the standard library the atomic implementation may be slow.
>
> BUG=
TBR=mlippautz@chromium.org,ulan@chromium.org,jarin@chromium.org,hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Review-Url: https://chromiumcodereview.appspot.com/2438983002
Cr-Commit-Position: refs/heads/master@{#40489}
