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Side by Side Diff: components/nacl/loader/nonsfi/irt_interfaces.cc

Issue 139993009: [WIP] Yet another demo for BMM NaCl ppapi connection. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "components/nacl/loader/nonsfi/irt_interfaces.h" 5 #include "components/nacl/loader/nonsfi/irt_interfaces.h"
6 6
7 #include <cstring> 7 #include <cstring>
8 8
9 namespace nacl { 9 namespace nacl {
10 namespace nonsfi { 10 namespace nonsfi {
11 11
12 namespace { 12 namespace {
13 13
14 // This table keeps a pair of IRT entry (such as nacl_irt_basic, nacl_irt_fdio 14 // This table keeps a pair of IRT entry (such as nacl_irt_basic, nacl_irt_fdio
15 // etc.) and its registered name with its version (such as NACL_IRT_BASIC_v0_1, 15 // etc.) and its registered name with its version (such as NACL_IRT_BASIC_v0_1,
16 // NACL_IRT_DEV_FDIO_v0_1, etc.). 16 // NACL_IRT_DEV_FDIO_v0_1, etc.).
17 struct NaClInterfaceTable { 17 struct NaClInterfaceTable {
18 const char* name; 18 const char* name;
19 const void* table; 19 const void* table;
20 size_t size; 20 size_t size;
21 }; 21 };
22 22
23 #define NACL_INTERFACE_TABLE(name, value) { name, &value, sizeof(value) } 23 #define NACL_INTERFACE_TABLE(name, value) { name, &value, sizeof(value) }
24 const NaClInterfaceTable kIrtInterfaces[] = { 24 const NaClInterfaceTable kIrtInterfaces[] = {
25 NACL_INTERFACE_TABLE(NACL_IRT_BASIC_v0_1, kIrtBasic), 25 NACL_INTERFACE_TABLE(NACL_IRT_BASIC_v0_1, kIrtBasic),
26 NACL_INTERFACE_TABLE(NACL_IRT_DEV_FDIO_v0_1, kIrtFdIO), 26 NACL_INTERFACE_TABLE(NACL_IRT_DEV_FDIO_v0_1, kIrtFdIO),
27 NACL_INTERFACE_TABLE(NACL_IRT_FILENAME_v0_1, kIrtFileName),
28 NACL_INTERFACE_TABLE(NACL_IRT_DEV_FILENAME_v0_3, kIrtDevFileName),
27 NACL_INTERFACE_TABLE(NACL_IRT_MEMORY_v0_3, kIrtMemory), 29 NACL_INTERFACE_TABLE(NACL_IRT_MEMORY_v0_3, kIrtMemory),
28 NACL_INTERFACE_TABLE(NACL_IRT_THREAD_v0_1, kIrtThread), 30 NACL_INTERFACE_TABLE(NACL_IRT_THREAD_v0_1, kIrtThread),
29 NACL_INTERFACE_TABLE(NACL_IRT_FUTEX_v0_1, kIrtFutex), 31 NACL_INTERFACE_TABLE(NACL_IRT_FUTEX_v0_1, kIrtFutex),
30 NACL_INTERFACE_TABLE(NACL_IRT_TLS_v0_1, kIrtTls), 32 NACL_INTERFACE_TABLE(NACL_IRT_TLS_v0_1, kIrtTls),
31 NACL_INTERFACE_TABLE(NACL_IRT_CLOCK_v0_1, kIrtClock), 33 NACL_INTERFACE_TABLE(NACL_IRT_CLOCK_v0_1, kIrtClock),
34 NACL_INTERFACE_TABLE(NACL_IRT_RESOURCE_OPEN_v0_1, kIrtResourceOpen),
35 NACL_INTERFACE_TABLE(NACL_IRT_PPAPIHOOK_v0_1, kIrtPpapiHook),
32 }; 36 };
33 #undef NACL_INTERFACE_TABLE 37 #undef NACL_INTERFACE_TABLE
34 38
35 } // namespace 39 } // namespace
36 40
37 size_t NaClIrtInterface(const char* interface_ident, 41 size_t NaClIrtInterface(const char* interface_ident,
38 void* table, size_t tablesize) { 42 void* table, size_t tablesize) {
39 for (size_t i = 0; i < arraysize(kIrtInterfaces); ++i) { 43 for (size_t i = 0; i < arraysize(kIrtInterfaces); ++i) {
40 if (std::strcmp(interface_ident, kIrtInterfaces[i].name) == 0) { 44 if (std::strcmp(interface_ident, kIrtInterfaces[i].name) == 0) {
41 const size_t size = kIrtInterfaces[i].size; 45 const size_t size = kIrtInterfaces[i].size;
42 if (size <= tablesize) { 46 if (size <= tablesize) {
43 std::memcpy(table, kIrtInterfaces[i].table, size); 47 std::memcpy(table, kIrtInterfaces[i].table, size);
44 return size; 48 return size;
45 } 49 }
46 break; 50 break;
47 } 51 }
48 } 52 }
49 return 0; 53 return 0;
50 } 54 }
51 55
52 } // namespace nonsfi 56 } // namespace nonsfi
53 } // namespace nacl 57 } // namespace nacl
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