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Commit 029c176e authored by Andrei Homescu's avatar Andrei Homescu
Browse files

libbinder_rs: Build binder_rpc_unstable_bindgen on Trusty 

Add a Trusty build rules.mk file for binder_rpc_unstable,
then build Rust wrappers around binder_rpc_unstable using bindgen.

Bug: 242243245
Test: build on Trusty
Change-Id: I1982d4a70e9bb56c137b02edbc6efcd5c37ef516
parent edf5d0fd

libs/binder/libbinder_rpc_unstable.cpp

+11 −1
Original line number Diff line number Diff line
@@ -20,8 +20,14 @@ 
#include <binder/RpcServer.h>

#include <binder/RpcSession.h>

#include <binder/unique_fd.h>



#ifndef __TRUSTY__

#include <cutils/sockets.h>

#endif



#ifdef __linux__

#include <linux/vm_sockets.h>

#endif // __linux__



using android::OK;

using android::RpcServer;
@@ -74,6 +80,7 @@ RpcSession::FileDescriptorTransportMode toTransportMode( 


extern "C" {



#ifndef __TRUSTY__

ARpcServer* ARpcServer_newVsock(AIBinder* service, unsigned int cid, unsigned int port) {

    auto server = RpcServer::make();
@@ -147,6 +154,7 @@ ARpcServer* ARpcServer_newInet(AIBinder* service, const char* address, unsigned 
    server->setRootObject(AIBinder_toPlatformBinder(service));

    return createObjectHandle<ARpcServer>(server);

}

#endif // __TRUSTY__



void ARpcServer_setSupportedFileDescriptorTransportModes(

        ARpcServer* handle, const ARpcSession_FileDescriptorTransportMode modes[],
@@ -187,6 +195,7 @@ void ARpcSession_free(ARpcSession* handle) { 
    freeObjectHandle<RpcSession>(handle);

}



#ifndef __TRUSTY__

AIBinder* ARpcSession_setupVsockClient(ARpcSession* handle, unsigned int cid, unsigned int port) {

    auto session = handleToStrongPointer<RpcSession>(handle);

    if (status_t status = session->setupVsockClient(cid, port); status != OK) {
@@ -234,13 +243,14 @@ AIBinder* ARpcSession_setupInet(ARpcSession* handle, const char* address, unsign 
    }

    return AIBinder_fromPlatformBinder(session->getRootObject());

}

#endif // __TRUSTY__



AIBinder* ARpcSession_setupPreconnectedClient(ARpcSession* handle, int (*requestFd)(void* param),

                                              void* param) {

    auto session = handleToStrongPointer<RpcSession>(handle);

    auto request = [=] { return unique_fd{requestFd(param)}; };

    if (status_t status = session->setupPreconnectedClient(unique_fd{}, request); status != OK) {

        ALOGE("Failed to set up vsock client. error: %s", statusToString(status).c_str());

        ALOGE("Failed to set up preconnected client. error: %s", statusToString(status).c_str());

        return nullptr;

    }

    return AIBinder_fromPlatformBinder(session->getRootObject());

libs/binder/trusty/binder_rpc_unstable/rules.mk

0 → 100644
+32 −0
Original line number Diff line number Diff line 
# Copyright (C) 2023 The Android Open Source Project

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#      http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#



LOCAL_DIR := $(GET_LOCAL_DIR)

LIBBINDER_DIR := $(LOCAL_DIR)/../..



MODULE := $(LOCAL_DIR)



MODULE_SRCS := \

	$(LIBBINDER_DIR)/libbinder_rpc_unstable.cpp \



MODULE_EXPORT_INCLUDES += \

	$(LIBBINDER_DIR)/include_rpc_unstable \



MODULE_LIBRARY_DEPS += \

	$(LIBBINDER_DIR)/trusty \

	$(LIBBINDER_DIR)/trusty/ndk \

	trusty/user/base/lib/libstdc++-trusty \



include make/library.mk

libs/binder/trusty/rust/binder_rpc_unstable_bindgen/BinderBindings.hpp

0 → 100644
+17 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include <binder_rpc_unstable.hpp>

libs/binder/trusty/rust/binder_rpc_unstable_bindgen/lib.rs

0 → 100644
+24 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



//! Generated Rust bindings to binder_rpc_unstable



#[allow(bad_style)]

mod sys {

    include!(env!("BINDGEN_INC_FILE"));

}



pub use sys::*;

libs/binder/trusty/rust/binder_rpc_unstable_bindgen/rules.mk

0 → 100644
+40 −0
Original line number Diff line number Diff line 
# Copyright (C) 2023 The Android Open Source Project

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#      http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#



LOCAL_DIR := $(GET_LOCAL_DIR)

LIBBINDER_DIR := $(LOCAL_DIR)/../../..



MODULE := $(LOCAL_DIR)



MODULE_SRCS := $(LOCAL_DIR)/lib.rs



MODULE_CRATE_NAME := binder_rpc_unstable_bindgen



MODULE_LIBRARY_DEPS += \

	$(LIBBINDER_DIR)/trusty \

	$(LIBBINDER_DIR)/trusty/binder_rpc_unstable \

	$(LIBBINDER_DIR)/trusty/ndk \

	$(LIBBINDER_DIR)/trusty/rust/binder_ndk_sys \

	trusty/user/base/lib/libstdc++-trusty \

	trusty/user/base/lib/trusty-sys \



MODULE_BINDGEN_SRC_HEADER := $(LOCAL_DIR)/BinderBindings.hpp



MODULE_BINDGEN_FLAGS += \

	--blocklist-type="AIBinder" \

	--raw-line="use binder_ndk_sys::AIBinder;" \

	--rustified-enum="ARpcSession_FileDescriptorTransportMode" \



include make/library.mk