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571eca5ced
v8/include
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Samuel Groß 571eca5ced Implement DetermineAddressSpaceLimit() on x64 
This function tries to determine the number of virtual address bits
available on the current CPU and with that the maximum size of the
userspace address space. On x64, it can be implemented through CPUID.

The result of this function is now used in two ways: first, it limits
the maximum size of the virtual memory cage, currently to a quarter of
the address space. Second, it influences the placement of fake cages,
which are attempted to be placed into the lower half of the address
space so that they are followed by large amounts of (hopefully) unused
but addressable virtual memory in which pages can be allocated.

Bug: chromium:1218005
Change-Id: I0edc5d241d899f16dbc47492fa1534b6aaa4aa13
Cq-Include-Trybots: luci.v8.try:v8_linux64_heap_sandbox_dbg_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3220348
Commit-Queue: Samuel Groß <saelo@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77393}
2021-10-14 10:01:57 +00:00
..
cppgc cppgc: Provide alignment attribute to allocations functions 2021-10-12 18:16:26 +00:00
libplatform Step 1 (of 3-ish): Basic ETW Instrumentation in V8 2021-01-05 20:11:03 +00:00
APIDesign.md Move inspector protocol definitions to include/ 2019-06-18 17:59:36 +00:00
DEPS cppgc: Implement process-global state accessors. 2021-02-17 22:37:24 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
js_protocol-1.2.json Move inspector protocol definitions to include/ 2019-06-18 17:59:36 +00:00
js_protocol-1.3.json Move inspector protocol definitions to include/ 2019-06-18 17:59:36 +00:00
js_protocol.pdl [inspector] Add nonIndexedPropertiesOnly to Runtime.getProperties. 2021-08-18 07:34:19 +00:00
OWNERS Make autoroll account owner of auto-updated file 2021-08-24 15:05:13 +00:00
v8-array-buffer.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-callbacks.h [wasm] Load --wasm_dynamic_tiering from the context 2021-10-06 12:12:54 +00:00
v8-container.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-context.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-cppgc.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-data.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-date.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-debug.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-embedder-heap.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-exception.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-extension.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-external.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-fast-api-calls.h [fastcall] Enhance FastApiTypedArray with aligned data getter 2021-10-01 09:19:56 +00:00
v8-forward.h [include] Add TryCatch and Extension to v8-forward.h 2021-09-23 13:15:10 +00:00
v8-function-callback.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-function.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-initialization.h Add V8::IsUsingSecureVirtualMemoryCage API 2021-10-14 09:47:49 +00:00
v8-inspector-protocol.h Fix LINT exceptions across the code base 2020-04-27 16:37:04 +00:00
v8-inspector.h [include] Remove v8-script.h include from v8-inspector.h 2021-09-07 12:58:30 +00:00
v8-internal.h Implement DetermineAddressSpaceLimit() on x64 2021-10-14 10:01:57 +00:00
v8-isolate.h [strings] Add --shared-string-table and support in d8 2021-10-08 22:40:28 +00:00
v8-json.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-local-handle.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-locker.h [api] Rename v8::Locker::IsActive to v8::Locker::WasEverUsed 2021-10-06 07:54:37 +00:00
v8-maybe.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-memory-span.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-message.h [iwyu] Reduce includes of <ostream> header 2021-09-21 09:28:18 +00:00
v8-metrics.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-microtask-queue.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-microtask.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-object.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-persistent-handle.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-platform.h [zone] Provide a way to configure allocator for zone backings 2021-09-23 12:45:52 +00:00
v8-primitive-object.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-primitive.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-profiler.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-promise.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-proxy.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-regexp.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-script.h [api] Deprecate Set/ResetToBookmark 2021-10-12 10:25:37 +00:00
v8-snapshot.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-statistics.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-template.h api: Expose initial_array_prototype to public 2021-10-01 16:39:47 +00:00
v8-traced-handle.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-typed-array.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-unwinder-state.h [LOONG64] Add LoongArch64 backend 2021-08-16 13:05:19 +00:00
v8-unwinder.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-util.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-value-serializer-version.h Expose the ValueSerializer data format version as a compile-time constant. 2017-04-27 15:14:41 +00:00
v8-value-serializer.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-value.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-version-string.h Fix LINT exceptions across the code base 2020-04-27 16:37:04 +00:00
v8-version.h Changed version number to 9.7 2021-10-07 10:38:23 +00:00
v8-wasm-trap-handler-posix.h Fix LINT exceptions across the code base 2020-04-27 16:37:04 +00:00
v8-wasm-trap-handler-win.h Fix LINT exceptions across the code base 2020-04-27 16:37:04 +00:00
v8-wasm.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8-weak-callback-info.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8.h Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
v8config.h Reland "Implement a fake virtual memory cage mechanism" 2021-10-13 10:58:34 +00:00