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Bug 979480 - Don't store array buffer contents in elements, r=sfink.

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This commit is contained in:
Brian Hackett
2014-03-17 11:46:04 -06:00
parent 73a43bff29
commit ecf9a81e49
25 changed files with 500 additions and 1058 deletions
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14
js/src/jsobj.cpp
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@@ -5898,17 +5898,7 @@ JSObject::addSizeOfExcludingThis(mozilla::MallocSizeOf mallocSizeOf, JS::Objects
if (hasDynamicElements()) {
js::ObjectElements *elements = getElementsHeader();
if (MOZ_UNLIKELY(elements->isAsmJSArrayBuffer())) {
#if defined (JS_CPU_X64)
// On x64, ArrayBufferObject::prepareForAsmJS switches the
// ArrayBufferObject to use mmap'd storage.
sizes->nonHeapElementsAsmJS += as<ArrayBufferObject>().byteLength();
#else
sizes->mallocHeapElementsAsmJS += mallocSizeOf(elements);
#endif
} else {
sizes->mallocHeapElementsNonAsmJS += mallocSizeOf(elements);
}
sizes->mallocHeapElementsNonAsmJS += mallocSizeOf(elements);
}
// Other things may be measured in the future if DMD indicates it is worthwhile.
@@ -5935,6 +5925,8 @@ JSObject::addSizeOfExcludingThis(mozilla::MallocSizeOf mallocSizeOf, JS::Objects
sizes->mallocHeapRegExpStatics += as<RegExpStaticsObject>().sizeOfData(mallocSizeOf);
} else if (is<PropertyIteratorObject>()) {
sizes->mallocHeapPropertyIteratorData += as<PropertyIteratorObject>().sizeOfMisc(mallocSizeOf);
} else if (is<ArrayBufferObject>() || is<SharedArrayBufferObject>()) {
ArrayBufferObject::addSizeOfExcludingThis(this, mallocSizeOf, sizes);
#ifdef JS_ION
} else if (is<AsmJSModuleObject>()) {
as<AsmJSModuleObject>().addSizeOfMisc(mallocSizeOf, &sizes->nonHeapCodeAsmJS,