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Unified Diff: src/ia32/stub-cache-ia32.cc

Issue 111613003: Load the global proxy from the context of the target function. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Also fix bug on ARM. Created 6 years, 12 months ago
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Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 6ab3964b80f75b469e0004d32c0ee75d82e00278..d63c2bb9cfec3a30f21ba620e500b85302870f30 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -2468,11 +2468,23 @@ void StubCompiler::GenerateBooleanCheck(Register object, Label* miss) {
}
-void CallStubCompiler::PatchGlobalProxy(Handle<Object> object) {
+void CallStubCompiler::PatchGlobalProxy(Handle<Object> object,
+ Handle<JSFunction> function) {
if (object->IsGlobalObject()) {
const int argc = arguments().immediate();
const int receiver_offset = (argc + 1) * kPointerSize;
- __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
+ __ LoadHeapObject(edx, handle(function->context()->global_proxy()));
+ __ mov(Operand(esp, receiver_offset), edx);
+ }
+}
+
+
+void CallStubCompiler::PatchGlobalProxy(Handle<Object> object,
+ Register function) {
+ if (object->IsGlobalObject()) {
+ FetchGlobalProxy(masm(), edx, function);
+ const int argc = arguments().immediate();
+ const int receiver_offset = (argc + 1) * kPointerSize;
__ mov(Operand(esp, receiver_offset), edx);
}
}
@@ -2566,7 +2578,7 @@ void CallStubCompiler::GenerateJumpFunction(Handle<Object> object,
GenerateFunctionCheck(function, ebx, miss);
if (!function.is(edi)) __ mov(edi, function);
- PatchGlobalProxy(object);
+ PatchGlobalProxy(object, function);
// Invoke the function.
__ InvokeFunction(edi, arguments(), JUMP_FUNCTION,
@@ -2681,6 +2693,15 @@ Handle<Code> StoreStubCompiler::CompileStoreCallback(
#define __ ACCESS_MASM(masm)
+void CallStubCompiler::FetchGlobalProxy(MacroAssembler* masm,
+ Register target,
+ Register function) {
+ __ mov(target, FieldOperand(function, JSFunction::kContextOffset));
+ __ mov(target, ContextOperand(target, Context::GLOBAL_OBJECT_INDEX));
+ __ mov(target, FieldOperand(target, GlobalObject::kGlobalReceiverOffset));
+}
+
+
void StoreStubCompiler::GenerateStoreViaSetter(
MacroAssembler* masm,
Handle<JSFunction> setter) {
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