From e2a27f691749dd49b93385daeb3d22df9172a294 Mon Sep 17 00:00:00 2001
From: Artem Udovichenko <artem.udovichenko@huawei.com>
Date: Wed, 6 Jul 2022 16:58:37 +0300
Subject: [PATCH] [ecmascript] Implement gc() global function

Signed-off-by: Artem Udovichenko <artem.udovichenko@huawei.com>
---
 ecmastdlib/ecmastdlib_inline_gen.rb         |  0
 runtime/builtins.cpp                        |  1 +
 runtime/builtins/builtins_global.cpp        | 16 ++++++++++++++++
 runtime/builtins/builtins_global.h          |  1 +
 runtime/runtime_call_id.h                   |  1 +
 runtime/snapshot/mem/snapshot_serialize.cpp |  1 +
 6 files changed, 20 insertions(+)
 mode change 100644 => 100755 ecmastdlib/ecmastdlib_inline_gen.rb

diff --git a/ecmastdlib/ecmastdlib_inline_gen.rb b/ecmastdlib/ecmastdlib_inline_gen.rb
old mode 100644
new mode 100755
diff --git a/runtime/builtins.cpp b/runtime/builtins.cpp
index 123b8456d..aefdbf128 100644
--- a/runtime/builtins.cpp
+++ b/runtime/builtins.cpp
@@ -346,6 +346,7 @@ void Builtins::InitializeGlobalObject(const JSHandle<GlobalEnv> &env, const JSHa
 
     // Global object test
     SetFunction(env, globalObject, "print", Global::PrintEntrypoint, 0);
+    SetFunction(env, globalObject, "gc", Global::GcEntrypoint, 0);
 #if ECMASCRIPT_ENABLE_RUNTIME_STAT
     SetFunction(env, globalObject, "startRuntimeStat", Global::StartRuntimeStat, 0);
     SetFunction(env, globalObject, "stopRuntimeStat", Global::StopRuntimeStat, 0);
diff --git a/runtime/builtins/builtins_global.cpp b/runtime/builtins/builtins_global.cpp
index 7fec05da9..b432b25ed 100644
--- a/runtime/builtins/builtins_global.cpp
+++ b/runtime/builtins/builtins_global.cpp
@@ -502,6 +502,22 @@ JSTaggedValue BuiltinsGlobal::PrintEntrypoint(EcmaRuntimeCallInfo *msg)
     return JSTaggedValue::Undefined();
 }
 
+JSTaggedValue BuiltinsGlobal::GcEntrypoint(EcmaRuntimeCallInfo *msg)
+{
+    if (msg == nullptr) {
+        return JSTaggedValue::Undefined();
+    }
+    JSThread *thread = msg->GetThread();
+    ASSERT(thread != nullptr);
+    [[maybe_unused]] EcmaHandleScope handleScope(thread);
+    BUILTINS_API_TRACE(thread, Global, GcEntryPoint);
+
+    thread->GetEcmaVM()->GetGC()->WaitForGCInManaged(GCTask(GCTaskCause::EXPLICIT_CAUSE, thread));
+    thread->SafepointPoll();
+
+    return JSTaggedValue::Undefined();
+}
+
 JSTaggedValue BuiltinsGlobal::CallJsBoundFunction(EcmaRuntimeCallInfo *msg)
 {
     JSThread *thread = msg->GetThread();
diff --git a/runtime/builtins/builtins_global.h b/runtime/builtins/builtins_global.h
index b0f713ca0..61d75fa92 100644
--- a/runtime/builtins/builtins_global.h
+++ b/runtime/builtins/builtins_global.h
@@ -42,6 +42,7 @@ public:
     static JSTaggedValue EncodeURIComponent(EcmaRuntimeCallInfo *msg);
 
     static JSTaggedValue PrintEntrypoint(EcmaRuntimeCallInfo *msg);
+    static JSTaggedValue GcEntrypoint(EcmaRuntimeCallInfo *msg);
     static JSTaggedValue CallJsBoundFunction(EcmaRuntimeCallInfo *msg);
     static JSTaggedValue CallJsProxy(EcmaRuntimeCallInfo *msg);
 #if ECMASCRIPT_ENABLE_RUNTIME_STAT
diff --git a/runtime/runtime_call_id.h b/runtime/runtime_call_id.h
index 766deb375..72f39f1ca 100644
--- a/runtime/runtime_call_id.h
+++ b/runtime/runtime_call_id.h
@@ -318,6 +318,7 @@ namespace panda::ecmascript {
     V(Global, IsFinite)                       \
     V(Global, IsNaN)                          \
     V(Global, PrintEntryPoint)                \
+    V(Global, GcEntryPoint)                   \
     V(Global, NewobjDynrange)                 \
     V(Global, CallJsBoundFunction)            \
     V(Global, CallJsProxy)                    \
diff --git a/runtime/snapshot/mem/snapshot_serialize.cpp b/runtime/snapshot/mem/snapshot_serialize.cpp
index 30a071b7b..69d83bd37 100644
--- a/runtime/snapshot/mem/snapshot_serialize.cpp
+++ b/runtime/snapshot/mem/snapshot_serialize.cpp
@@ -433,6 +433,7 @@ static uintptr_t g_nativeTable[] = {
     reinterpret_cast<uintptr_t>(DataView::GetByteLength),
     reinterpret_cast<uintptr_t>(DataView::GetOffset),
     reinterpret_cast<uintptr_t>(Global::PrintEntrypoint),
+    reinterpret_cast<uintptr_t>(Global::GcEntrypoint),
     reinterpret_cast<uintptr_t>(Global::NotSupportEval),
     reinterpret_cast<uintptr_t>(Global::IsFinite),
     reinterpret_cast<uintptr_t>(Global::IsNaN),
-- 
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