Otherwise page header check is not quite robust: if there is a smi
at the same offset as Page::is_normal_page field, wrong result would
be returned.
That shouldn't be the problem for paged spaces as objects in those
pages do not span page boundaries and thus cannot mess with ::is_normal_page field.
Review URL: http://codereview.chromium.org/1175001
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4270 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ObjectIsPrototypeOf
ObjectDefineGetter
ObjectLookupGetter
ObjectDefineSetter
ObjectLookupSetter
ObjectKeys
ObjectGetPrototypeOf
ObjectGetOwnPropertyDescriptor
ObjectGetOwnPropertyNames
ObjectDefineProperty
ObjectDefineProperties
I did not implement tests covering calls with undetectable parameters since I would need to make these tests native. Just thought it was not worth the effort. If you think tests would make sense, I can add them. We might want to allow other functions to receive undetectable parameters, but I am not seeing any good candidates.
Review URL: http://codereview.chromium.org/1297003
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4264 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This re-applies r4220 and r4233, which was reverted in r4254 due to a bug. This bug has now been fixed, with the only change being line 2884 changed from
__ SmiTag(left_side->reg());
to
__ SmiTag(operand->reg());
Added a regression test.
BUG=http://crbug.com/39160
TEST=test/mjsunit/regress/regress-crbug-39160.js
Review URL: http://codereview.chromium.org/1251009
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4261 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Instead of testing the value of a constant frame element to determine
the type we compute its type information at construction time.
This speeds up querying the type information during code generation.
This change also adds support for Integer32 constants and sets
the type information accordingly.
Review URL: http://codereview.chromium.org/1277001
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4256 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
1) Exposes Local<Context> v8::Debug::GetDebugContext().
Rationale: We can already get debugger context instance using various workarounds,
so exposing it explicitly in the API only makes things more clear.
2) Removes debugger.HasJavaScriptFrames() requirement for entering debugger context.
Rationale: Sometimes we'd like to call into debugger from the external native code.
3) Makes Debugger v8::Debug::Call execute on debugger context's global object.
Rationale: This is somewhat arguable, but temporary measure. We've agreed that we
should introduce a DebugAPI object that would expose necessary API in the debug-delay.
The problem is that it would take some time to define this API and it is not really
convenient to do that on the v8 land given the difference in v8 / host lifecycle.
The plan is to compose this API as a Debug.* wrapper outside v8 by means of exposing
debugger context's global object here, and once API settles down, upstream it to v8 and
start making Debug::Calls on this new DebugAPI object instead.
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4251 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
As part of aggressive dead code elimination, we initially assume all
flow-graph instructions are not live. We mark those that are critical
and recursively all their children. The children of variable
references (VariableProxies occurring as rvalues) include all their
reaching definitions.
Review URL: http://codereview.chromium.org/1159005
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4246 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
registration of external references in Proxy objects).
I moved the declaration of the two functions to stub-cache.h
because with all the types they use it's hard to declare them
anywhere else. But the actual definition is still in runtime.cc
near to the place where they are used.
Review URL: http://codereview.chromium.org/1079012
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4231 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Previously we marked compare operations that occurred as for loop
conditions so as to avoid inlining the floating-point code for them.
Begin marking all expressions that occur as any loop condition
(because they are never dead code).
Review URL: http://codereview.chromium.org/1074009
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4227 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This change adds a data-flow pass to statically determine
if a variable contains a primitive type.
It requires building the flow graph and computing reaching
definitions as pre-requisites. The analysis annotates all
VariableProxy nodes with the result.
Review URL: http://codereview.chromium.org/1132005
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
