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
15 static struct PP_StartFunctions g_pp_functions;
16
irt_ppapi_start(const struct PP_StartFunctions * funcs)17 int 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
PPP_InitializeModule(PP_Module module_id,PPB_GetInterface get_browser_interface)25 int32_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
PPP_ShutdownModule(void)30 void PPP_ShutdownModule(void) {
31 g_pp_functions.PPP_ShutdownModule();
32 }
33
PPP_GetInterface(const char * interface_name)34 const void* PPP_GetInterface(const char* interface_name) {
35 return g_pp_functions.PPP_GetInterface(interface_name);
36 }
37
38 static const struct nacl_irt_ppapihook nacl_irt_ppapihook = {
39 irt_ppapi_start,
40 PpapiPluginRegisterThreadCreator,
41 };
42
ppapihook_pnacl_private_filter(void)43 static 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
50 static const nacl_irt_resource_open kIrtResourceOpen = {
51 ppapi::IrtOpenResource,
52 };
53
not_pnacl_filter(void)54 static 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
61 static 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
chrome_irt_query(const char * interface_ident,void * table,size_t tablesize)71 size_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