a199ba80ef
Separate out code target pointers from normal heap pointer entries in constant pool arrays so that the GC can correctly relocate these pointers using the appropriate mechanism. R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/183883011 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19773 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
|
|
|
|
// Test constant pool array code.
|
|
|
|
#include "v8.h"
|
|
|
|
#include "factory.h"
|
|
#include "objects.h"
|
|
#include "cctest.h"
|
|
|
|
using namespace v8::internal;
|
|
|
|
|
|
Code* DummyCode(LocalContext* context) {
|
|
CompileRun("function foo() {};");
|
|
i::Handle<i::JSFunction> fun = v8::Utils::OpenHandle(
|
|
*v8::Local<v8::Function>::Cast(
|
|
(*context)->Global()->Get(v8_str("foo"))));
|
|
return fun->code();
|
|
}
|
|
|
|
|
|
TEST(ConstantPool) {
|
|
LocalContext context;
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
Heap* heap = isolate->heap();
|
|
Factory* factory = isolate->factory();
|
|
v8::HandleScope scope(context->GetIsolate());
|
|
|
|
// Check construction.
|
|
Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(3, 1, 2, 1);
|
|
CHECK_EQ(array->count_of_int64_entries(), 3);
|
|
CHECK_EQ(array->count_of_code_ptr_entries(), 1);
|
|
CHECK_EQ(array->count_of_heap_ptr_entries(), 2);
|
|
CHECK_EQ(array->count_of_int32_entries(), 1);
|
|
CHECK_EQ(array->length(), 7);
|
|
CHECK_EQ(array->first_int64_index(), 0);
|
|
CHECK_EQ(array->first_code_ptr_index(), 3);
|
|
CHECK_EQ(array->first_heap_ptr_index(), 4);
|
|
CHECK_EQ(array->first_int32_index(), 6);
|
|
|
|
// Check getters and setters.
|
|
int64_t big_number = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
|
|
Handle<Object> object = factory->NewHeapNumber(4.0);
|
|
Code* code = DummyCode(&context);
|
|
array->set(0, big_number);
|
|
array->set(1, 0.5);
|
|
array->set(2, 3e-24);
|
|
array->set(3, code->entry());
|
|
array->set(4, code);
|
|
array->set(5, *object);
|
|
array->set(6, 50);
|
|
CHECK_EQ(array->get_int64_entry(0), big_number);
|
|
CHECK_EQ(array->get_int64_entry_as_double(1), 0.5);
|
|
CHECK_EQ(array->get_int64_entry_as_double(2), 3e-24);
|
|
CHECK_EQ(array->get_code_ptr_entry(3), code->entry());
|
|
CHECK_EQ(array->get_heap_ptr_entry(4), code);
|
|
CHECK_EQ(array->get_heap_ptr_entry(5), *object);
|
|
CHECK_EQ(array->get_int32_entry(6), 50);
|
|
|
|
// Check pointers are updated on GC.
|
|
Object* old_ptr = array->get_heap_ptr_entry(5);
|
|
CHECK_EQ(*object, old_ptr);
|
|
heap->CollectGarbage(NEW_SPACE);
|
|
Object* new_ptr = array->get_heap_ptr_entry(5);
|
|
CHECK_NE(*object, old_ptr);
|
|
CHECK_EQ(*object, new_ptr);
|
|
}
|