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-rw-r--r--runtime/debugger.cc169
1 files changed, 117 insertions, 52 deletions
diff --git a/runtime/debugger.cc b/runtime/debugger.cc
index cc1e0b994a..6c374029d8 100644
--- a/runtime/debugger.cc
+++ b/runtime/debugger.cc
@@ -1886,11 +1886,25 @@ JDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value,
return SetFieldValueImpl(0, field_id, value, width, true);
}
-std::string Dbg::StringToUtf8(JDWP::ObjectId string_id) {
+JDWP::JdwpError Dbg::StringToUtf8(JDWP::ObjectId string_id, std::string* str) {
JDWP::JdwpError error;
- mirror::String* s = gRegistry->Get<mirror::String*>(string_id, &error);
- CHECK(s != nullptr) << error;
- return s->ToModifiedUtf8();
+ mirror::Object* obj = gRegistry->Get<mirror::Object*>(string_id, &error);
+ if (error != JDWP::ERR_NONE) {
+ return error;
+ }
+ if (obj == nullptr) {
+ return JDWP::ERR_INVALID_OBJECT;
+ }
+ {
+ ScopedObjectAccessUnchecked soa(Thread::Current());
+ mirror::Class* java_lang_String = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_String);
+ if (!java_lang_String->IsAssignableFrom(obj->GetClass())) {
+ // This isn't a string.
+ return JDWP::ERR_INVALID_STRING;
+ }
+ }
+ *str = obj->AsString()->ToModifiedUtf8();
+ return JDWP::ERR_NONE;
}
void Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) {
@@ -1939,7 +1953,7 @@ JDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string* name)
}
JDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) {
- ScopedObjectAccess soa(Thread::Current());
+ ScopedObjectAccessUnchecked soa(Thread::Current());
JDWP::JdwpError error;
mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id, &error);
if (error != JDWP::ERR_NONE) {
@@ -1970,26 +1984,54 @@ JDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* p
return error;
}
-std::string Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id) {
- ScopedObjectAccess soa(Thread::Current());
+static mirror::Object* DecodeThreadGroup(ScopedObjectAccessUnchecked& soa,
+ JDWP::ObjectId thread_group_id, JDWP::JdwpError* error)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id, error);
+ if (*error != JDWP::ERR_NONE) {
+ return nullptr;
+ }
+ if (thread_group == nullptr) {
+ *error = JDWP::ERR_INVALID_OBJECT;
+ return nullptr;
+ }
+ mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup);
+ CHECK(c != nullptr);
+ if (!c->IsAssignableFrom(thread_group->GetClass())) {
+ // This is not a java.lang.ThreadGroup.
+ *error = JDWP::ERR_INVALID_THREAD_GROUP;
+ return nullptr;
+ }
+ *error = JDWP::ERR_NONE;
+ return thread_group;
+}
+
+JDWP::JdwpError Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) {
+ ScopedObjectAccessUnchecked soa(Thread::Current());
JDWP::JdwpError error;
- mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id, &error);
- CHECK(thread_group != nullptr) << error;
+ mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error);
+ if (error != JDWP::ERR_NONE) {
+ return error;
+ }
const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName");
mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup);
- CHECK(c != nullptr);
mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;");
CHECK(f != nullptr);
mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group));
soa.Self()->EndAssertNoThreadSuspension(old_cause);
- return s->ToModifiedUtf8();
+
+ std::string thread_group_name(s->ToModifiedUtf8());
+ expandBufAddUtf8String(pReply, thread_group_name);
+ return JDWP::ERR_NONE;
}
-JDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) {
+JDWP::JdwpError Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) {
ScopedObjectAccessUnchecked soa(Thread::Current());
JDWP::JdwpError error;
- mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id, &error);
- CHECK(thread_group != nullptr) << error;
+ mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error);
+ if (error != JDWP::ERR_NONE) {
+ return error;
+ }
const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent");
mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup);
CHECK(c != nullptr);
@@ -1997,19 +2039,69 @@ JDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) {
CHECK(f != nullptr);
mirror::Object* parent = f->GetObject(thread_group);
soa.Self()->EndAssertNoThreadSuspension(old_cause);
- return gRegistry->Add(parent);
+
+ JDWP::ObjectId parent_group_id = gRegistry->Add(parent);
+ expandBufAddObjectId(pReply, parent_group_id);
+ return JDWP::ERR_NONE;
}
-JDWP::ObjectId Dbg::GetSystemThreadGroupId() {
+static void GetChildThreadGroups(ScopedObjectAccessUnchecked& soa, mirror::Object* thread_group,
+ std::vector<JDWP::ObjectId>* child_thread_group_ids)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ CHECK(thread_group != nullptr);
+
+ // Get the ArrayList<ThreadGroup> "groups" out of this thread group...
+ mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;");
+ mirror::Object* groups_array_list = groups_field->GetObject(thread_group);
+
+ // Get the array and size out of the ArrayList<ThreadGroup>...
+ mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;");
+ mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I");
+ mirror::ObjectArray<mirror::Object>* groups_array =
+ array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>();
+ const int32_t size = size_field->GetInt(groups_array_list);
+
+ // Copy the first 'size' elements out of the array into the result.
+ for (int32_t i = 0; i < size; ++i) {
+ child_thread_group_ids->push_back(gRegistry->Add(groups_array->Get(i)));
+ }
+}
+
+JDWP::JdwpError Dbg::GetThreadGroupChildren(JDWP::ObjectId thread_group_id,
+ JDWP::ExpandBuf* pReply) {
ScopedObjectAccessUnchecked soa(Thread::Current());
- mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup);
- mirror::Object* group = f->GetObject(f->GetDeclaringClass());
- return gRegistry->Add(group);
+ JDWP::JdwpError error;
+ mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error);
+ if (error != JDWP::ERR_NONE) {
+ return error;
+ }
+
+ // Add child threads.
+ {
+ std::vector<JDWP::ObjectId> child_thread_ids;
+ GetThreads(thread_group, &child_thread_ids);
+ expandBufAdd4BE(pReply, child_thread_ids.size());
+ for (JDWP::ObjectId child_thread_id : child_thread_ids) {
+ expandBufAddObjectId(pReply, child_thread_id);
+ }
+ }
+
+ // Add child thread groups.
+ {
+ std::vector<JDWP::ObjectId> child_thread_groups_ids;
+ GetChildThreadGroups(soa, thread_group, &child_thread_groups_ids);
+ expandBufAdd4BE(pReply, child_thread_groups_ids.size());
+ for (JDWP::ObjectId child_thread_group_id : child_thread_groups_ids) {
+ expandBufAddObjectId(pReply, child_thread_group_id);
+ }
+ }
+
+ return JDWP::ERR_NONE;
}
-JDWP::ObjectId Dbg::GetMainThreadGroupId() {
- ScopedObjectAccess soa(Thread::Current());
- mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup);
+JDWP::ObjectId Dbg::GetSystemThreadGroupId() {
+ ScopedObjectAccessUnchecked soa(Thread::Current());
+ mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup);
mirror::Object* group = f->GetObject(f->GetDeclaringClass());
return gRegistry->Add(group);
}
@@ -2111,11 +2203,8 @@ static bool IsInDesiredThreadGroup(ScopedObjectAccessUnchecked& soa,
return (group == desired_thread_group);
}
-void Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>* thread_ids) {
+void Dbg::GetThreads(mirror::Object* thread_group, std::vector<JDWP::ObjectId>* thread_ids) {
ScopedObjectAccessUnchecked soa(Thread::Current());
- JDWP::JdwpError error;
- mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id, &error);
- CHECK_EQ(error, JDWP::ERR_NONE);
std::list<Thread*> all_threads_list;
{
MutexLock mu(Thread::Current(), *Locks::thread_list_lock_);
@@ -2147,30 +2236,6 @@ void Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>
}
}
-void Dbg::GetChildThreadGroups(JDWP::ObjectId thread_group_id,
- std::vector<JDWP::ObjectId>* child_thread_group_ids) {
- ScopedObjectAccess soa(Thread::Current());
- JDWP::JdwpError error;
- mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id, &error);
- CHECK(thread_group != nullptr) << error;
-
- // Get the ArrayList<ThreadGroup> "groups" out of this thread group...
- mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;");
- mirror::Object* groups_array_list = groups_field->GetObject(thread_group);
-
- // Get the array and size out of the ArrayList<ThreadGroup>...
- mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;");
- mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I");
- mirror::ObjectArray<mirror::Object>* groups_array =
- array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>();
- const int32_t size = size_field->GetInt(groups_array_list);
-
- // Copy the first 'size' elements out of the array into the result.
- for (int32_t i = 0; i < size; ++i) {
- child_thread_group_ids->push_back(gRegistry->Add(groups_array->Get(i)));
- }
-}
-
static int GetStackDepth(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
struct CountStackDepthVisitor : public StackVisitor {
explicit CountStackDepthVisitor(Thread* thread)
@@ -4323,7 +4388,7 @@ void Dbg::SetAllocTrackingEnabled(bool enable) {
recent_allocation_records_ = new AllocRecord[alloc_record_max_];
CHECK(recent_allocation_records_ != nullptr);
}
- Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints();
+ Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(false);
} else {
{
ScopedObjectAccess soa(self); // For type_cache_.Clear();
@@ -4339,7 +4404,7 @@ void Dbg::SetAllocTrackingEnabled(bool enable) {
type_cache_.Clear();
}
// If an allocation comes in before we uninstrument, we will safely drop it on the floor.
- Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints();
+ Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(false);
}
}
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