1// Copyright 2014 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/public/irt_core.h"
6#include "native_client/src/trusted/service_runtime/include/sys/unistd.h"
7#include "native_client/src/untrusted/irt/irt.h"
8#include "native_client/src/untrusted/irt/irt_private.h"
9#include "ppapi/nacl_irt/irt_manifest.h"
10#include "ppapi/nacl_irt/irt_ppapi.h"
11#include "ppapi/nacl_irt/plugin_main.h"
12#include "ppapi/nacl_irt/public/irt_ppapi.h"
13#include "ppapi/native_client/src/untrusted/pnacl_irt_shim/irt_shim_ppapi.h"
14
15static struct PP_StartFunctions g_pp_functions;
16
17int irt_ppapi_start(const struct PP_StartFunctions* funcs) {
18  // Disable NaCl's open_resource() interface on this thread.
19  g_is_main_thread = 1;
20
21  g_pp_functions = *funcs;
22  return PpapiPluginMain();
23}
24
25int32_t PPP_InitializeModule(PP_Module module_id,
26                             PPB_GetInterface get_browser_interface) {
27  return g_pp_functions.PPP_InitializeModule(module_id, get_browser_interface);
28}
29
30void PPP_ShutdownModule(void) {
31  g_pp_functions.PPP_ShutdownModule();
32}
33
34const void* PPP_GetInterface(const char* interface_name) {
35  return g_pp_functions.PPP_GetInterface(interface_name);
36}
37
38static const struct nacl_irt_ppapihook nacl_irt_ppapihook = {
39  irt_ppapi_start,
40  PpapiPluginRegisterThreadCreator,
41};
42
43static int ppapihook_pnacl_private_filter(void) {
44  int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
45  if (pnacl_mode == -1)
46    return 0;
47  return pnacl_mode;
48}
49
50static const nacl_irt_resource_open kIrtResourceOpen = {
51  ppapi::IrtOpenResource,
52};
53
54static int not_pnacl_filter(void) {
55  int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
56  if (pnacl_mode == -1)
57    return 0;
58  return !pnacl_mode;
59}
60
61static const struct nacl_irt_interface irt_interfaces[] = {
62  { NACL_IRT_PPAPIHOOK_v0_1, &nacl_irt_ppapihook, sizeof(nacl_irt_ppapihook),
63    NULL },
64  { NACL_IRT_PPAPIHOOK_PNACL_PRIVATE_v0_1,
65    &nacl_irt_ppapihook_pnacl_private, sizeof(nacl_irt_ppapihook_pnacl_private),
66    ppapihook_pnacl_private_filter },
67  { NACL_IRT_RESOURCE_OPEN_v0_1, &kIrtResourceOpen,
68    sizeof(kIrtResourceOpen), not_pnacl_filter },
69};
70
71size_t chrome_irt_query(const char* interface_ident,
72                        void* table, size_t tablesize) {
73  size_t result = nacl_irt_query_list(interface_ident,
74                                      table,
75                                      tablesize,
76                                      irt_interfaces,
77                                      sizeof(irt_interfaces));
78  if (result != 0)
79    return result;
80  return nacl_irt_query_core(interface_ident, table, tablesize);
81}
82