ppapi/nacl_irt/irt_pnacl_translator_link.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "native_client/src/shared/platform/nacl_log.h"
   6 #include "native_client/src/shared/srpc/nacl_srpc.h"
   7 #include "native_client/src/untrusted/irt/irt_dev.h"
   8 #include "ppapi/nacl_irt/irt_interfaces.h"
   9
  10 namespace {
  11
  12 const int kMaxObjectFiles = 16;
  13
  14 int (*g_func)(int nexe_fd,
  15               const int* obj_file_fds,
  16               int obj_file_fd_count);
  17
  18 void HandleLinkRequest(NaClSrpcRpc* rpc,
  19                        NaClSrpcArg** in_args,
  20                        NaClSrpcArg** out_args,
  21                        NaClSrpcClosure* done) {
  22   int obj_file_count = in_args[0]->u.ival;
  23   int nexe_fd = in_args[kMaxObjectFiles + 1]->u.hval;
  24
  25   if (obj_file_count < 1 || obj_file_count > kMaxObjectFiles) {
  26     NaClLog(LOG_FATAL, "Bad object file count (%i)\n", obj_file_count);
  27   }
  28   int obj_file_fds[obj_file_count];
  29   for (int i = 0; i < obj_file_count; i++) {
  30     obj_file_fds[i] = in_args[i + 1]->u.hval;
  31   }
  32
  33   int result = g_func(nexe_fd, obj_file_fds, obj_file_count);
  34
  35   rpc->result = result == 0 ? NACL_SRPC_RESULT_OK : NACL_SRPC_RESULT_APP_ERROR;
  36   done->Run(done);
  37 }
  38
  39 const struct NaClSrpcHandlerDesc kSrpcMethods[] = {
  40   { "RunWithSplit:ihhhhhhhhhhhhhhhhh:", HandleLinkRequest },
  41   { NULL, NULL },
  42 };
  43
  44 void ServeLinkRequest(int (*func)(int nexe_fd,
  45                                   const int* obj_file_fds,
  46                                   int obj_file_fd_count)) {
  47   g_func = func;
  48   if (!NaClSrpcModuleInit()) {
  49     NaClLog(LOG_FATAL, "NaClSrpcModuleInit() failed\n");
  50   }
  51   if (!NaClSrpcAcceptClientConnection(kSrpcMethods)) {
  52     NaClLog(LOG_FATAL, "NaClSrpcAcceptClientConnection() failed\n");
  53   }
  54 }
  55
  56 }
  57
  58 const struct nacl_irt_private_pnacl_translator_link
  59     nacl_irt_private_pnacl_translator_link = {
  60   ServeLinkRequest
  61 };