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1//===-- Common RPC server handler -----------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_TOOLS_LLVM_GPU_LOADER_SERVER_H10#define LLVM_TOOLS_LLVM_GPU_LOADER_SERVER_H11 12#include <cstddef>13#include <cstdint>14 15#include "shared/rpc.h"16#include "shared/rpc_opcodes.h"17#include "shared/rpc_server.h"18 19template <uint32_t num_lanes, typename Alloc, typename Free>20inline uint32_t handle_server(rpc::Server &server, uint32_t index,21 Alloc &&alloc, Free &&free) {22 auto port = server.try_open(num_lanes, index);23 if (!port)24 return 0;25 index = port->get_index() + 1;26 27 int status = rpc::RPC_SUCCESS;28 switch (port->get_opcode()) {29 case LIBC_MALLOC: {30 port->recv_and_send([&](rpc::Buffer *buffer, uint32_t) {31 buffer->data[0] = reinterpret_cast<uintptr_t>(alloc(buffer->data[0]));32 });33 break;34 }35 case LIBC_FREE: {36 port->recv([&](rpc::Buffer *buffer, uint32_t) {37 free(reinterpret_cast<void *>(buffer->data[0]));38 });39 break;40 }41 default:42 status = LIBC_NAMESPACE::shared::handle_libc_opcodes(*port, num_lanes);43 break;44 }45 46 // Handle all of the `libc` specific opcodes.47 if (status != rpc::RPC_SUCCESS)48 handle_error("Error handling RPC server");49 50 port->close();51 52 return index;53}54 55#endif // LLVM_TOOLS_LLVM_GPU_LOADER_SERVER_H56