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Unified Diff: src/x64/stub-cache-x64.cc

Issue 7084032: Add asserts and state tracking to ensure that we do not call (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 7 months ago
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Index: src/x64/stub-cache-x64.cc
===================================================================
--- src/x64/stub-cache-x64.cc (revision 8110)
+++ src/x64/stub-cache-x64.cc (working copy)
@@ -645,7 +645,7 @@
scratch1, scratch2, scratch3, name,
miss_label);
- __ EnterInternalFrame();
+ FrameScope scope(masm, StackFrame::INTERNAL);
// Save the name_ register across the call.
__ push(name_);
@@ -662,7 +662,8 @@
// Restore the name_ register.
__ pop(name_);
- __ LeaveInternalFrame();
+
+ // Leave the internal frame.
}
void LoadWithInterceptor(MacroAssembler* masm,
@@ -670,19 +671,21 @@
Register holder,
JSObject* holder_obj,
Label* interceptor_succeeded) {
- __ EnterInternalFrame();
- __ push(holder); // Save the holder.
- __ push(name_); // Save the name.
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ push(holder); // Save the holder.
+ __ push(name_); // Save the name.
- CompileCallLoadPropertyWithInterceptor(masm,
- receiver,
- holder,
- name_,
- holder_obj);
+ CompileCallLoadPropertyWithInterceptor(masm,
+ receiver,
+ holder,
+ name_,
+ holder_obj);
- __ pop(name_); // Restore the name.
- __ pop(receiver); // Restore the holder.
- __ LeaveInternalFrame();
+ __ pop(name_); // Restore the name.
+ __ pop(receiver); // Restore the holder.
+ // Leave the internal frame.
+ }
__ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex);
__ j(not_equal, interceptor_succeeded);
@@ -1140,41 +1143,43 @@
// Save necessary data before invoking an interceptor.
// Requires a frame to make GC aware of pushed pointers.
- __ EnterInternalFrame();
+ {
+ FrameScope frame_scope(masm(), StackFrame::INTERNAL);
- if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
- // CALLBACKS case needs a receiver to be passed into C++ callback.
- __ push(receiver);
- }
- __ push(holder_reg);
- __ push(name_reg);
+ if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
+ // CALLBACKS case needs a receiver to be passed into C++ callback.
+ __ push(receiver);
+ }
+ __ push(holder_reg);
+ __ push(name_reg);
- // Invoke an interceptor. Note: map checks from receiver to
- // interceptor's holder has been compiled before (see a caller
- // of this method.)
- CompileCallLoadPropertyWithInterceptor(masm(),
- receiver,
- holder_reg,
- name_reg,
- interceptor_holder);
+ // Invoke an interceptor. Note: map checks from receiver to
+ // interceptor's holder has been compiled before (see a caller
+ // of this method.)
+ CompileCallLoadPropertyWithInterceptor(masm(),
+ receiver,
+ holder_reg,
+ name_reg,
+ interceptor_holder);
- // Check if interceptor provided a value for property. If it's
- // the case, return immediately.
- Label interceptor_failed;
- __ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex);
- __ j(equal, &interceptor_failed);
- __ LeaveInternalFrame();
- __ ret(0);
+ // Check if interceptor provided a value for property. If it's
+ // the case, return immediately.
+ Label interceptor_failed;
+ __ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex);
+ __ j(equal, &interceptor_failed);
+ frame_scope.GenerateLeaveFrame();
+ __ ret(0);
- __ bind(&interceptor_failed);
- __ pop(name_reg);
- __ pop(holder_reg);
- if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
- __ pop(receiver);
+ __ bind(&interceptor_failed);
+ __ pop(name_reg);
+ __ pop(holder_reg);
+ if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
+ __ pop(receiver);
+ }
+
+ // Leave the internal frame.
}
- __ LeaveInternalFrame();
-
// Check that the maps from interceptor's holder to lookup's holder
// haven't changed. And load lookup's holder into |holder| register.
if (interceptor_holder != lookup->holder()) {
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