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#include "gtest/gtest.h"
#include "node.h"
#include "node_internals.h"
#include "node_test_fixture.h"
#include "req_wrap-inl.h"
#include "tracing/agent.h"
#include "v8.h"
#define NODE_OFF_EXTSTR_DATA sizeof(void*)
extern "C" {
extern uintptr_t
nodedbg_offset_HandleWrap__handle_wrap_queue___ListNode_HandleWrap;
extern uintptr_t
nodedbg_offset_Environment__handle_wrap_queue___Environment_HandleWrapQueue;
extern int debug_symbols_generated;
extern int nodedbg_const_ContextEmbedderIndex__kEnvironment__int;
extern int nodedbg_const_BaseObject__kInternalFieldCount__int;
extern uintptr_t
nodedbg_offset_Environment_HandleWrapQueue__head___ListNode_HandleWrap;
extern uintptr_t
nodedbg_offset_Environment__req_wrap_queue___Environment_ReqWrapQueue;
extern uintptr_t nodedbg_offset_ExternalString__data__uintptr_t;
extern uintptr_t nodedbg_offset_ListNode_ReqWrap__prev___uintptr_t;
extern uintptr_t nodedbg_offset_ListNode_ReqWrap__next___uintptr_t;
extern uintptr_t nodedbg_offset_ReqWrap__req_wrap_queue___ListNode_ReqWrapQueue;
extern uintptr_t nodedbg_offset_ListNode_HandleWrap__prev___uintptr_t;
extern uintptr_t nodedbg_offset_ListNode_HandleWrap__next___uintptr_t;
extern uintptr_t
nodedbg_offset_Environment_ReqWrapQueue__head___ListNode_ReqWrapQueue;
extern uintptr_t
nodedbg_offset_BaseObject__persistent_handle___v8_Persistent_v8_Object;
}
class DebugSymbolsTest : public EnvironmentTestFixture {};
class TestHandleWrap : public node::HandleWrap {
public:
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(TestHandleWrap)
SET_SELF_SIZE(TestHandleWrap)
TestHandleWrap(node::Environment* env,
v8::Local<v8::Object> object,
uv_tcp_t* handle)
: node::HandleWrap(env,
object,
reinterpret_cast<uv_handle_t*>(handle),
node::AsyncWrap::PROVIDER_TCPWRAP) {}
};
class TestReqWrap : public node::ReqWrap<uv_req_t> {
public:
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(TestReqWrap)
SET_SELF_SIZE(TestReqWrap)
TestReqWrap(node::Environment* env, v8::Local<v8::Object> object)
: node::ReqWrap<uv_req_t>(env,
object,
node::AsyncWrap::PROVIDER_FSREQCALLBACK) {}
};
TEST_F(DebugSymbolsTest, ContextEmbedderEnvironmentIndex) {
int kEnvironmentIndex = node::ContextEmbedderIndex::kEnvironment;
EXPECT_EQ(nodedbg_const_ContextEmbedderIndex__kEnvironment__int,
kEnvironmentIndex);
}
TEST_F(DebugSymbolsTest, BaseObjectkInternalFieldCount) {
int kInternalFieldCount = node::BaseObject::kInternalFieldCount;
EXPECT_EQ(nodedbg_const_BaseObject__kInternalFieldCount__int,
kInternalFieldCount);
}
TEST_F(DebugSymbolsTest, ExternalStringDataOffset) {
EXPECT_EQ(nodedbg_offset_ExternalString__data__uintptr_t,
NODE_OFF_EXTSTR_DATA);
}
class DummyBaseObject : public node::BaseObject {
public:
DummyBaseObject(node::Environment* env, v8::Local<v8::Object> obj) :
BaseObject(env, obj) {}
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(DummyBaseObject)
SET_SELF_SIZE(DummyBaseObject)
};
TEST_F(DebugSymbolsTest, BaseObjectPersistentHandle) {
const v8::HandleScope handle_scope(isolate_);
const Argv argv;
Env env{handle_scope, argv};
v8::Local<v8::ObjectTemplate> obj_templ = v8::ObjectTemplate::New(isolate_);
obj_templ->SetInternalFieldCount(
nodedbg_const_BaseObject__kInternalFieldCount__int);
v8::Local<v8::Object> object =
obj_templ->NewInstance(env.context()).ToLocalChecked();
node::BaseObjectPtr<DummyBaseObject> obj =
node::MakeDetachedBaseObject<DummyBaseObject>(*env, object);
auto expected = reinterpret_cast<uintptr_t>(&obj->persistent());
auto calculated = reinterpret_cast<uintptr_t>(obj.get()) +
nodedbg_offset_BaseObject__persistent_handle___v8_Persistent_v8_Object;
EXPECT_EQ(expected, calculated);
}
TEST_F(DebugSymbolsTest, EnvironmentHandleWrapQueue) {
const v8::HandleScope handle_scope(isolate_);
const Argv argv;
Env env{handle_scope, argv};
auto expected = reinterpret_cast<uintptr_t>((*env)->handle_wrap_queue());
auto calculated = reinterpret_cast<uintptr_t>(*env) +
nodedbg_offset_Environment__handle_wrap_queue___Environment_HandleWrapQueue; // NOLINT(whitespace/line_length)
EXPECT_EQ(expected, calculated);
}
TEST_F(DebugSymbolsTest, EnvironmentReqWrapQueue) {
const v8::HandleScope handle_scope(isolate_);
const Argv argv;
Env env{handle_scope, argv};
auto expected = reinterpret_cast<uintptr_t>((*env)->req_wrap_queue());
auto calculated = reinterpret_cast<uintptr_t>(*env) +
nodedbg_offset_Environment__req_wrap_queue___Environment_ReqWrapQueue;
EXPECT_EQ(expected, calculated);
}
TEST_F(DebugSymbolsTest, HandleWrapList) {
const v8::HandleScope handle_scope(isolate_);
const Argv argv;
Env env{handle_scope, argv};
auto queue = reinterpret_cast<uintptr_t>((*env)->handle_wrap_queue());
auto head = queue +
nodedbg_offset_Environment_HandleWrapQueue__head___ListNode_HandleWrap;
auto tail = head + nodedbg_offset_ListNode_HandleWrap__prev___uintptr_t;
tail = *reinterpret_cast<uintptr_t*>(tail);
uv_tcp_t handle;
auto obj_template = v8::FunctionTemplate::New(isolate_);
obj_template->InstanceTemplate()->SetInternalFieldCount(
nodedbg_const_BaseObject__kInternalFieldCount__int);
v8::Local<v8::Object> object = obj_template->GetFunction(env.context())
.ToLocalChecked()
->NewInstance(env.context())
.ToLocalChecked();
TestHandleWrap obj(*env, object, &handle);
auto last = tail + nodedbg_offset_ListNode_HandleWrap__next___uintptr_t;
last = *reinterpret_cast<uintptr_t*>(last);
auto expected = reinterpret_cast<uintptr_t>(&obj);
auto calculated =
last - nodedbg_offset_HandleWrap__handle_wrap_queue___ListNode_HandleWrap;
EXPECT_EQ(expected, calculated);
obj.persistent().Reset(); // ~HandleWrap() expects an empty handle.
}
TEST_F(DebugSymbolsTest, ReqWrapList) {
const v8::HandleScope handle_scope(isolate_);
const Argv argv;
Env env{handle_scope, argv};
auto queue = reinterpret_cast<uintptr_t>((*env)->req_wrap_queue());
auto head =
queue +
nodedbg_offset_Environment_ReqWrapQueue__head___ListNode_ReqWrapQueue;
auto tail = head + nodedbg_offset_ListNode_ReqWrap__prev___uintptr_t;
tail = *reinterpret_cast<uintptr_t*>(tail);
auto obj_template = v8::FunctionTemplate::New(isolate_);
obj_template->InstanceTemplate()->SetInternalFieldCount(
nodedbg_const_BaseObject__kInternalFieldCount__int);
v8::Local<v8::Object> object = obj_template->GetFunction(env.context())
.ToLocalChecked()
->NewInstance(env.context())
.ToLocalChecked();
TestReqWrap obj(*env, object);
// NOTE (mmarchini): Workaround to fix failing tests on ARM64 machines with
// older GCC. Should be removed once we upgrade the GCC version used on our
// ARM64 CI machinies.
for (auto it : *(*env)->req_wrap_queue()) (void) ⁢
volatile uintptr_t last =
tail + nodedbg_offset_ListNode_ReqWrap__next___uintptr_t;
last = *reinterpret_cast<uintptr_t*>(last);
auto expected = reinterpret_cast<uintptr_t>(&obj);
auto calculated =
last - nodedbg_offset_ReqWrap__req_wrap_queue___ListNode_ReqWrapQueue;
EXPECT_EQ(expected, calculated);
obj.Dispatched();
}
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