ppapi/nacl_irt/irt_ppapi.cc

   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_ppapi.h"
  10 #include "ppapi/nacl_irt/plugin_main.h"
  11 #include "ppapi/nacl_irt/public/irt_ppapi.h"
  12 #include "ppapi/native_client/src/untrusted/pnacl_irt_shim/irt_shim_ppapi.h"
  13
  14 static struct PP_StartFunctions g_pp_functions;
  15
  16 int irt_ppapi_start(const struct PP_StartFunctions* funcs) {
  17   // Disable NaCl's open_resource() interface on this thread.
  18   g_is_main_thread = 1;
  19
  20   g_pp_functions = *funcs;
  21   return PpapiPluginMain();
  22 }
  23
  24 int32_t PPP_InitializeModule(PP_Module module_id,
  25                              PPB_GetInterface get_browser_interface) {
  26   return g_pp_functions.PPP_InitializeModule(module_id, get_browser_interface);
  27 }
  28
  29 void PPP_ShutdownModule(void) {
  30   g_pp_functions.PPP_ShutdownModule();
  31 }
  32
  33 const void* PPP_GetInterface(const char* interface_name) {
  34   return g_pp_functions.PPP_GetInterface(interface_name);
  35 }
  36
  37 static const struct nacl_irt_ppapihook nacl_irt_ppapihook = {
  38   irt_ppapi_start,
  39   PpapiPluginRegisterThreadCreator,
  40 };
  41
  42 static int ppapihook_pnacl_private_filter(void) {
  43   int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
  44   if (pnacl_mode == -1)
  45     return 0;
  46   return pnacl_mode;
  47 }
  48
  49 static const struct nacl_irt_interface irt_interfaces[] = {
  50   { NACL_IRT_PPAPIHOOK_v0_1, &nacl_irt_ppapihook, sizeof(nacl_irt_ppapihook),
  51     NULL },
  52   { NACL_IRT_PPAPIHOOK_PNACL_PRIVATE_v0_1,
  53     &nacl_irt_ppapihook_pnacl_private, sizeof(nacl_irt_ppapihook_pnacl_private),
  54     ppapihook_pnacl_private_filter },
  55 };
  56
  57 size_t chrome_irt_query(const char* interface_ident,
  58                         void* table, size_t tablesize) {
  59   size_t result = nacl_irt_query_core(interface_ident, table, tablesize);
  60   if (result != 0)
  61     return result;
  62   return nacl_irt_query_list(interface_ident, table, tablesize,
  63                              irt_interfaces, sizeof(irt_interfaces));
  64 }