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Commit 3573b17d authored by Steven Moreland's avatar Steven Moreland
Browse files

libbinderthreadstate: test debuggable++ 

For debuggability.

Bug: 242924045
Test: libbinderthreadstateutils_test
Change-Id: I75b5826e96ef74330aeb1bab5c45db548e779863
parent 00a54e41

libs/binderthreadstate/test.cpp

+24 −8
Original line number Diff line number Diff line
@@ -73,6 +73,15 @@ static void callAidl(size_t id, int32_t idx) { 
    CHECK(ret.isOk()) << ret;

}



static std::string getStackPointerDebugInfo() {

    const void* hwbinderSp = android::hardware::IPCThreadState::self()->getServingStackPointer();

    const void* binderSp = android::IPCThreadState::self()->getServingStackPointer();



    std::stringstream ss;

    ss << "(hwbinder sp: " << hwbinderSp << " binder sp: " << binderSp << ")";

    return ss.str();

}



static inline std::ostream& operator<<(std::ostream& o, const BinderCallType& s) {

    return o << static_cast<std::underlying_type_t<BinderCallType>>(s);

}
@@ -88,17 +97,21 @@ public: 
        return android::hardware::Status::ok();

    }

    Return<void> call(int32_t idx) {

        bool doCallHidl = thisId == kP1Id && idx % 4 < 2;



        LOG(INFO) << "HidlServer CALL " << thisId << " to " << otherId << " at idx: " << idx

                  << " with tid: " << gettid();

        CHECK_EQ(BinderCallType::HWBINDER, getCurrentServingCall());

                  << " with tid: " << gettid() << " calling " << (doCallHidl ? "HIDL" : "AIDL");

        CHECK_EQ(BinderCallType::HWBINDER, getCurrentServingCall())

                << " before call " << getStackPointerDebugInfo();

        if (idx > 0) {

            if (thisId == kP1Id && idx % 4 < 2) {

            if (doCallHidl) {

                callHidl(otherId, idx - 1);

            } else {

                callAidl(otherId, idx - 1);

            }

        }

        CHECK_EQ(BinderCallType::HWBINDER, getCurrentServingCall());

        CHECK_EQ(BinderCallType::HWBINDER, getCurrentServingCall())

                << " after call " << getStackPointerDebugInfo();

        return android::hardware::Status::ok();

    }

};
@@ -113,17 +126,20 @@ public: 
        return Status::ok();

    }

    Status call(int32_t idx) {

        bool doCallHidl = thisId == kP2Id && idx % 4 < 2;

        LOG(INFO) << "AidlServer CALL " << thisId << " to " << otherId << " at idx: " << idx

                  << " with tid: " << gettid();

        CHECK_EQ(BinderCallType::BINDER, getCurrentServingCall());

                  << " with tid: " << gettid() << " calling " << (doCallHidl ? "HIDL" : "AIDL");

        CHECK_EQ(BinderCallType::BINDER, getCurrentServingCall())

                << " before call " << getStackPointerDebugInfo();

        if (idx > 0) {

            if (thisId == kP2Id && idx % 4 < 2) {

            if (doCallHidl) {

                callHidl(otherId, idx - 1);

            } else {

                callAidl(otherId, idx - 1);

            }

        }

        CHECK_EQ(BinderCallType::BINDER, getCurrentServingCall());

        CHECK_EQ(BinderCallType::BINDER, getCurrentServingCall())

                << " after call " << getStackPointerDebugInfo();

        return Status::ok();

    }

};