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Jakob Kummerow 27e1ac1a79 [wasm][mac] Support w^x codespaces for Apple Silicon 
Apple's upcoming arm64 devices will prevent rwx access to memory,
but in turn provide a new per-thread way to switch between write
and execute permissions. This patch puts that system to use for
the WebAssembly subsystem.
The approach relies on CodeSpaceWriteScope objects for now. That
isn't optimal for background threads (which could stay in "write"
mode permanently instead of toggling), but its simplicity makes
it a good first step.

Background:
https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon

Bug: chromium:1117591
Change-Id: I3b60f0efd34c0fed924dfc71ee2c7805801c5d42
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2378307
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69791}
2020-09-09 20:57:52 +00:00
..
compiler [handles] Check FLAG_local_heaps in IsDereferenceAllowed() 2020-08-25 14:25:03 +00:00
heap Reland "[serializer] Remove new space" 2020-09-09 15:29:16 +00:00
interpreter Fixed bytecode generation of spread operation 2020-09-02 14:30:48 +00:00
libplatform [cpu-profiler] Remove hi-res options via tracing category 2020-05-14 15:30:04 +00:00
libsampler [cpu-profiler] Only record SIGPROF-based samples for samplers that request samples 2019-02-13 09:29:38 +00:00
parsing Fix tests to work with single generation heap 2020-07-07 09:30:57 +00:00
torque [torque][csa] fix word8 phi MachineRepresentation 2020-08-05 15:25:46 +00:00
wasm [wasm][mac] Support w^x codespaces for Apple Silicon 2020-09-09 20:57:52 +00:00
assembler-helper-arm.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
assembler-helper-arm.h Move handles-related files to src/handles 2019-05-23 06:00:15 +00:00
BUILD.gn Add -Wno-string-concatenation to test/cctest:cctest_sources 2020-08-31 16:57:23 +00:00
cctest.cc Reland "[heap] Add concurrent typed slot recording" 2020-09-03 11:16:44 +00:00
cctest.h Reland "[heap] Add concurrent typed slot recording" 2020-09-03 11:16:44 +00:00
cctest.status [wasm][mac] Support w^x codespaces for Apple Silicon 2020-09-09 20:57:52 +00:00
collector.h Move remaining files in src/ 2019-05-24 18:24:36 +00:00
DEPS Reland "[tracing] Roll perfetto @ 28b633cd" 2019-09-06 13:42:02 +00:00
disasm-regex-helper.cc [turbofan] Improve load poisoning tests. 2019-07-02 17:55:04 +00:00
disasm-regex-helper.h [turbofan] Improve load poisoning tests. 2019-07-02 17:55:04 +00:00
expression-type-collector-macros.h [cleanup] Fix remaining (D)CHECK macro usages 2017-10-18 10:12:31 +00:00
gay-fixed.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
gay-fixed.h Move utility code to src/utils 2019-05-23 14:13:34 +00:00
gay-precision.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
gay-precision.h Move utility code to src/utils 2019-05-23 14:13:34 +00:00
gay-shortest.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
gay-shortest.h Move utility code to src/utils 2019-05-23 14:13:34 +00:00
manually-externalized-buffer.h [api] Deprecate [Shared]ArrayBuffer::Externalize/GetContents and constructors 2019-10-29 22:01:54 +00:00
OWNERS [owners] Remove redundant OWNERS files in test/ 2019-06-24 12:44:32 +00:00
print-extension.cc Use nullptr instead of NULL where possible 2017-10-13 17:21:49 +00:00
print-extension.h [cleanup] Mark test/ methods in subclasses with override. 2018-09-17 07:40:00 +00:00
profiler-extension.cc Reland "[Compile] Ensure we don't access the native context during bytecode finalization." 2018-10-26 22:33:56 +00:00
profiler-extension.h [cleanup] Mark test/ methods in subclasses with override. 2018-09-17 07:40:00 +00:00
scope-test-helper.h [parser] Various Scope and Context speedups 2019-01-28 13:06:03 +00:00
setup-isolate-for-tests.cc [interpreter] Always put bytecode handlers in builtins table 2018-09-20 09:58:15 +00:00
setup-isolate-for-tests.h Move initialization code into src/init 2019-05-16 12:36:15 +00:00
test-access-checks.cc Replace CHECK(false) by UNREACHABLE() 2017-12-19 18:58:07 +00:00
test-accessor-assembler.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-accessors.cc [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
test-allocation.cc [zone-compr] Initial support for zone pointer compression 2020-07-24 08:27:21 +00:00
test-api-accessors.cc [Respect] Rename lists 2020-06-22 15:15:31 +00:00
test-api-array-buffer.cc [arraybuffer][test] Test creating a BackingStore with nullptr 2020-07-27 14:04:40 +00:00
test-api-icu.cc Correct typo of Chinese locale zn_CN to zh_CN 2020-04-21 08:05:43 +00:00
test-api-interceptors.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-api-stack-traces.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-api-typed-array.cc [api] Deprecate [Shared]ArrayBuffer::Externalize/GetContents and constructors 2019-10-29 22:01:54 +00:00
test-api-wasm.cc [wasm-simd] Add use counter for SIMD opcodes 2020-05-08 19:14:00 +00:00
test-api.cc Reland "[serializer] Remove new space" 2020-09-09 15:29:16 +00:00
test-api.h [test-api] Extract arraybufs and typed arrays 2019-06-17 15:27:01 +00:00
test-array-list.cc Move more relevant files to src/objects 2019-05-23 08:52:30 +00:00
test-assembler-arm64.cc [wasm][mac] Support w^x codespaces for Apple Silicon 2020-09-09 20:57:52 +00:00
test-assembler-arm.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-ia32.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-mips64.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-mips.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-ppc.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-s390.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-assembler-x64.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-atomicops.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-backing-store.cc Reland x6 [arraybuffer] Rearchitect backing store ownership 2019-09-09 13:07:42 +00:00
test-bignum-dtoa.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-bignum.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-bit-vector.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-circular-queue.cc Reland "[d8] Remove maximum workers limitation" 2019-07-30 07:56:17 +00:00
test-code-layout.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-code-pages.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-code-stub-assembler.cc [wasm][mac] Support w^x codespaces for Apple Silicon 2020-09-09 20:57:52 +00:00
test-compiler.cc [heap] Skip some tests with --stress-concurrent-allocation 2020-09-03 18:27:56 +00:00
test-concurrent-descriptor-array.cc [compiler] Test to search TransitionArrays on background and main thread 2020-07-14 11:55:24 +00:00
test-concurrent-prototype.cc [compiler] Don't serialize BytecodeArrayData's source_positions_ 2020-07-14 11:01:44 +00:00
test-concurrent-script-context-table.cc [turbofan] More ScriptContextTable concurrency 2020-07-22 09:23:37 +00:00
test-concurrent-transition-array.cc [compiler] Test background thread accessing old TransitionArray 2020-07-29 12:39:53 +00:00
test-constantpool.cc [ptr-compr][ppc] Implement pointer compression 2020-05-06 19:06:32 +00:00
test-conversions.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-cpu-profiler.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-date.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-debug-helper.cc Reland "[heap] Make ReadOnlySpace use bump pointer allocation" 2020-06-18 11:48:38 +00:00
test-debug.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-decls.cc [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
test-deoptimization.cc [js-function] Remove deprecated predicates 2020-08-11 11:53:00 +00:00
test-dictionary.cc Disable --stress-concurrent-allocation for tests that change free lists 2020-09-03 11:15:39 +00:00
test-disasm-arm64.cc [arm64] Use B instruction key for return address signing 2020-06-16 11:02:59 +00:00
test-disasm-arm.cc Reland "[wasm-simd][arm] Use vmov to move all ones to register" 2020-08-11 19:47:06 +00:00
test-disasm-ia32.cc [ia32][wasm-simd] Fix aligned moves in codegen 2020-08-28 22:59:56 +00:00
test-disasm-mips64.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-disasm-mips.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-disasm-ppc.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-disasm-s390.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-disasm-x64.cc [wasm-simd][x64] Check for register when emitting shuffles 2020-08-25 17:52:16 +00:00
test-diy-fp.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-double.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-dtoa.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-elements-kind.cc [compiler][cleanup] Move Make(String|Name) helper methods to cctest.h 2020-05-26 15:26:28 +00:00
test-factory.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-fast-dtoa.cc [cleanup] Remove V8_2PART_UINT64_C macro 2020-07-20 11:52:17 +00:00
test-feedback-vector.cc [Turbofan] Allow CallIC to be polymorphic for same SharedFunctionInfos 2020-02-29 09:09:42 +00:00
test-feedback-vector.h [compiler] Make is_compiled_scope take an explicit Isolate 2020-07-06 15:49:55 +00:00
test-field-type-tracking.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-fixed-dtoa.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-flags.cc [wasm] Remove the --wasm-interpret-all flag 2020-04-28 08:14:52 +00:00
test-func-name-inference.cc [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
test-fuzz-arm64.cc Move architecture dependent files 2019-05-28 14:02:15 +00:00
test-global-handles.cc Fix tests to work with single generation heap 2020-07-07 09:30:57 +00:00
test-global-object.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-hashcode.cc [ptr-compr] Pass Isolate to JSObject::NormalizeProperties() 2019-06-11 11:11:10 +00:00
test-hashmap.cc [cleanup] Replace function typedefs by using declarations 2019-05-28 08:35:08 +00:00
test-heap-profiler.cc [heap] Skip some tests with --stress-concurrent-allocation 2020-09-03 18:27:56 +00:00
test-icache.cc [wasm][mac] Support w^x codespaces for Apple Silicon 2020-09-09 20:57:52 +00:00
test-identity-map.cc Fix tests to work with single generation heap 2020-07-07 09:30:57 +00:00
test-inobject-slack-tracking.cc Use consistent capitalization rules for instance types 2019-10-09 17:44:42 +00:00
test-inspector.cc Implement protocol::Binary to/from base64 conversion 2020-04-30 08:46:05 +00:00
test-intl.cc [lookup] Refactor LookupIterator "property or element" creation 2020-01-09 18:39:11 +00:00
test-javascript-arm64.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-js-arm64-variables.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-js-weak-refs.cc [torque] port FinalizationGroup methods to torque 2020-07-30 14:34:06 +00:00
test-liveedit.cc Add quotes around unexpected token SyntaxError 2019-06-11 06:11:58 +00:00
test-local-handles.cc [handle] Zap local and persistent handles 2020-07-29 11:06:33 +00:00
test-lockers.cc Replace base::make_unique by std::make_unique 2019-09-10 11:21:51 +00:00
test-log-stack-tracer.cc [cleanup] Remove unused TickSample class from the public API 2019-08-22 07:27:35 +00:00
test-log.cc Revert "Reland "[test][d8] Add d8.log.getAndStop helper"" 2020-09-09 11:46:16 +00:00
test-macro-assembler-arm64.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-macro-assembler-arm.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-macro-assembler-mips64.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-macro-assembler-mips.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-macro-assembler-x64.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-managed.cc Move more relevant files to src/objects 2019-05-23 08:52:30 +00:00
test-mementos.cc Move more relevant files to src/objects 2019-05-23 08:52:30 +00:00
test-modules.cc [runtime] Use TLA in more tests 2020-03-16 14:43:53 +00:00
test-object.cc Make ToInteger always truncate -0 2020-03-02 20:40:01 +00:00
test-orderedhashtable.cc [offthread] Deisolatify dictionaries 2020-03-03 20:08:54 +00:00
test-parsing.cc [zone] Cleanup zone allocations in src/ast and tests 2020-07-10 13:48:20 +00:00
test-persistent-handles.cc [heap] Attach PersistentHandles with EnsurePersistentHandles 2020-07-31 12:06:39 +00:00
test-platform.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-pointer-auth-arm64.cc [arm64] Add support for pointer authentication instructions 2019-07-24 17:00:26 +00:00
test-poison-disasm-arm64.cc [arm64] Intentionally corrupt the upper half of decompressed SMIs 2019-11-19 12:14:12 +00:00
test-poison-disasm-arm.cc [cctest][turboprop] Disable DisasmPoisonMonomorphicLoadFloat64 for arm 2020-07-30 10:41:36 +00:00
test-profile-generator.cc [cpu-profiler] Rename RecordTickSample to SymbolizeTickSample 2020-05-18 07:13:59 +00:00
test-random-number-generator.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-regexp.cc [regexp] Prototype new linear time EXPERIMENTAL regexp engine 2020-08-18 05:51:24 +00:00
test-representation.cc Move relevant files to src/objects 2019-05-20 08:57:47 +00:00
test-roots.cc [heap] Use BasicMemoryChunk::FromHeapObject more 2020-06-17 14:05:48 +00:00
test-sampler-api.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-serialize.cc [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
test-smi-lexicographic-compare.cc [cleanup] Eliminate non-const reference parameters 2019-09-10 09:31:07 +00:00
test-stack-unwinding-win64.cc Unwind V8 frames correctly on Windows ARM64 2019-07-31 06:24:45 +00:00
test-strings.cc Disable --stress-concurrent-allocation for tests that change free lists 2020-09-03 11:15:39 +00:00
test-strtod.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-symbols.cc Move utility code to src/utils 2019-05-23 14:13:34 +00:00
test-sync-primitives-arm64.cc [nci] Replace CompilationTarget with a new Code::Kind value 2020-08-05 12:27:22 +00:00
test-sync-primitives-arm.cc Reland "[d8] Remove maximum workers limitation" 2019-07-30 07:56:17 +00:00
test-thread-termination.cc [weakrefs] Call Isolate::ClearKeptObjects() as part of microtask checkpoint 2020-02-19 02:25:34 +00:00
test-threads.cc Replace base::make_unique by std::make_unique 2019-09-10 11:21:51 +00:00
test-trace-event.cc Replace base::make_unique by std::make_unique 2019-09-10 11:21:51 +00:00
test-traced-value.cc [tracing] Improve tracing signals for compilation/optimization. 2019-03-25 14:49:08 +00:00
test-transitions.cc [ptr-compr] Isolatify Map::MigrateToMap() and friends 2019-07-03 08:08:05 +00:00
test-transitions.h [compiler] Test transition from Uninitialized to kFullTransitionArray 2020-07-28 13:03:31 +00:00
test-typedarrays.cc [api] Deprecate [Shared]ArrayBuffer::Externalize/GetContents and constructors 2019-10-29 22:01:54 +00:00
test-types.cc [turbofan] Normalize types for Oddball constants 2020-03-12 14:28:52 +00:00
test-unboxed-doubles.cc [compiler][cleanup] Move Make(String|Name) helper methods to cctest.h 2020-05-26 15:26:28 +00:00
test-unscopables-hidden-prototype.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-unwinder-code-pages.cc [unwinder] Clean up existing tests 2020-09-01 09:46:29 +00:00
test-usecounters.cc [atomics] Remove the deprecated Atomics.wake 2020-08-10 23:02:17 +00:00
test-utils-arm64.cc [arm64][cleanup] Remove CPURegister::Is and CPURegister::is 2019-11-14 12:58:09 +00:00
test-utils-arm64.h Move architecture dependent files 2019-05-28 14:02:15 +00:00
test-utils.cc [cleanup] Split out bit-field.h and bounds.h from utils/utils.h 2019-11-15 13:00:08 +00:00
test-v8windbg.cc [tools] Add v8windbg, a WinDbg extension for V8 2020-02-18 19:16:18 +00:00
test-version.cc Move remaining files in src/ 2019-05-24 18:24:36 +00:00
test-weakmaps.cc Disable --stress-concurrent-allocation for tests that change free lists 2020-09-03 11:15:39 +00:00
test-weaksets.cc Disable --stress-concurrent-allocation for tests that change free lists 2020-09-03 11:15:39 +00:00
testcfg.py Reland "Preparing v8 to use with python3 /test" 2019-03-20 09:56:06 +00:00
trace-extension.cc [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
trace-extension.h [cleanup] Remove unused TickSample class from the public API 2019-08-22 07:27:35 +00:00
unicode-helpers.cc Move string-related files to src/strings 2019-05-21 07:17:48 +00:00
unicode-helpers.h Move string-related files to src/strings 2019-05-21 07:17:48 +00:00