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Show names of the context fields in heap snapshot.

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Review URL: https://chromiumcodereview.appspot.com/10183005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11418 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
alexeif@chromium.org 2012-04-23 16:10:35 +00:00
parent 5113cc1bbc
commit ba6500b018
1 changed files with 25 additions and 15 deletions
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40
src/profile-generator.cc
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@ -2068,19 +2068,30 @@ void V8HeapExplorer::ExtractReferences(HeapObject* obj) {
SetInternalReference(obj, entry, "parent", ss->parent());
}
extract_indexed_refs = false;
} else if (obj->IsGlobalContext()) {
} else if (obj->IsContext()) {
Context* context = Context::cast(obj);
TagObject(context->jsfunction_result_caches(),
"(context func. result caches)");
TagObject(context->normalized_map_cache(), "(context norm. map cache)");
TagObject(context->runtime_context(), "(runtime context)");
TagObject(context->data(), "(context data)");
for (int i = Context::FIRST_WEAK_SLOT;
i < Context::GLOBAL_CONTEXT_SLOTS;
++i) {
SetWeakReference(obj, entry,
i, context->get(i),
FixedArray::OffsetOfElementAt(i));
#define EXTRACT_CONTEXT_FIELD(index, type, name) \
SetInternalReference(context, entry, #name, context->get(Context::index), \
FixedArray::OffsetOfElementAt(Context::index));
EXTRACT_CONTEXT_FIELD(CLOSURE_INDEX, JSFunction, closure);
EXTRACT_CONTEXT_FIELD(PREVIOUS_INDEX, Context, previous);
EXTRACT_CONTEXT_FIELD(EXTENSION_INDEX, Object, extension);
EXTRACT_CONTEXT_FIELD(GLOBAL_INDEX, GlobalObject, global);
if (obj->IsGlobalContext()) {
TagObject(context->jsfunction_result_caches(),
"(context func. result caches)");
TagObject(context->normalized_map_cache(), "(context norm. map cache)");
TagObject(context->runtime_context(), "(runtime context)");
TagObject(context->data(), "(context data)");
GLOBAL_CONTEXT_FIELDS(EXTRACT_CONTEXT_FIELD);
#undef EXTRACT_CONTEXT_FIELD
for (int i = Context::FIRST_WEAK_SLOT;
i < Context::GLOBAL_CONTEXT_SLOTS;
++i) {
SetWeakReference(obj, entry,
i, context->get(i),
FixedArray::OffsetOfElementAt(i));
}
}
} else if (obj->IsMap()) {
Map* map = Map::cast(obj);
@ -2187,9 +2198,6 @@ void V8HeapExplorer::ExtractClosureReferences(JSObject* js_obj,
if (!js_obj->IsJSFunction()) return;
JSFunction* func = JSFunction::cast(js_obj);
Context* context = func->context()->declaration_context();
ScopeInfo* scope_info = context->closure()->shared()->scope_info();
if (func->shared()->bound()) {
FixedArray* bindings = func->function_bindings();
SetNativeBindReference(js_obj, entry, "bound_this",
@ -2205,6 +2213,8 @@ void V8HeapExplorer::ExtractClosureReferences(JSObject* js_obj,
bindings->get(i));
}
} else {
Context* context = func->context()->declaration_context();
ScopeInfo* scope_info = context->closure()->shared()->scope_info();
// Add context allocated locals.
int context_locals = scope_info->ContextLocalCount();
for (int i = 0; i < context_locals; ++i) {