Add an IRT interface for subzero/compiler to serve_translate_requests.

src/untrusted/irt/irt_pnacl_translator.c

-/*
- * Copyright (c) 2015 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "native_client/src/shared/platform/nacl_log.h"
-#include "native_client/src/shared/srpc/nacl_srpc.h"
-#include "native_client/src/untrusted/irt/irt_dev.h"
-#include "native_client/src/untrusted/irt/irt_interfaces.h"
-
-static const int kMaxObjectFiles = 16;
-
-static int (*g_func)(int nexe_fd,
-                     const int *obj_file_fds,
-                     int obj_file_fd_count);
-
-static void handle_link_request(NaClSrpcRpc *rpc,
-                                NaClSrpcArg **in_args,
-                                NaClSrpcArg **out_args,
-                                NaClSrpcClosure *done) {
-  int obj_file_count = in_args[0]->u.ival;
-  int nexe_fd = in_args[kMaxObjectFiles + 1]->u.hval;
-
-  if (obj_file_count < 1 || obj_file_count > kMaxObjectFiles) {
-    NaClLog(LOG_FATAL, "Bad object file count (%i)\n", obj_file_count);
-  }
-  int obj_file_fds[obj_file_count];
-  for (int i = 0; i < obj_file_count; i++) {
-    obj_file_fds[i] = in_args[i + 1]->u.hval;
-  }
-
-  int result = g_func(nexe_fd, obj_file_fds, obj_file_count);
-
-  rpc->result = result == 0 ? NACL_SRPC_RESULT_OK : NACL_SRPC_RESULT_APP_ERROR;
-  done->Run(done);
-}
-
-static const struct NaClSrpcHandlerDesc srpc_methods[] = {
-  { "RunWithSplit:ihhhhhhhhhhhhhhhhh:", handle_link_request },
-  { NULL, NULL },
-};
-
-static void serve_link_request(int (*func)(int nexe_fd,
-                                           const int *obj_file_fds,
-                                           int obj_file_fd_count)) {
-  g_func = func;
-  if (!NaClSrpcModuleInit()) {
-    NaClLog(LOG_FATAL, "NaClSrpcModuleInit() failed\n");
-  }
-  NaClSrpcAcceptClientConnection(srpc_methods);
-}
-
-const struct nacl_irt_private_pnacl_translator_link
-    nacl_irt_private_pnacl_translator_link = {
-  serve_link_request,
-};