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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/nonsfi_main.h" | 5 #include "components/nacl/loader/nonsfi/nonsfi_main.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/threading/platform_thread.h" | 8 #include "base/threading/platform_thread.h" |
| 9 #include "base/threading/thread_restrictions.h" | 9 #include "base/threading/thread_restrictions.h" |
| 10 #include "native_client/src/include/elf_auxv.h" | 10 #include "native_client/src/include/elf_auxv.h" |
| 11 | |
| 12 #if defined(OS_NACL_NONSFI) | |
| 13 #include "native_client/src/public/nonsfi/elf_loader.h" | 11 #include "native_client/src/public/nonsfi/elf_loader.h" |
| 14 #include "ppapi/nacl_irt/irt_interfaces.h" | 12 #include "ppapi/nacl_irt/irt_interfaces.h" |
| 15 #else | 13 |
| 16 #include "base/memory/scoped_ptr.h" | 14 #if !defined(OS_NACL_NONSFI) |
| 17 #include "components/nacl/loader/nonsfi/elf_loader.h" | 15 #error "nonsfi_main.cc must be built for nacl_helper_nonsfi." |
| 18 #include "components/nacl/loader/nonsfi/irt_interfaces.h" | |
| 19 #include "native_client/src/include/nacl_macros.h" | |
| 20 #include "native_client/src/public/nacl_desc.h" | |
| 21 #include "native_client/src/trusted/service_runtime/include/sys/fcntl.h" | |
| 22 #endif | 16 #endif |
| 23 | 17 |
| 18 | |
|
Mark Seaborn
2015/10/15 18:10:10
Nit: don't add extra empty line
hidehiko
2015/10/19 04:39:17
Done.
| |
| 24 namespace nacl { | 19 namespace nacl { |
| 25 namespace nonsfi { | 20 namespace nonsfi { |
| 26 namespace { | 21 namespace { |
| 27 | 22 |
| 28 typedef void (*EntryPointType)(uintptr_t*); | 23 typedef void (*EntryPointType)(uintptr_t*); |
| 29 | 24 |
| 30 class PluginMainDelegate : public base::PlatformThread::Delegate { | 25 class PluginMainDelegate : public base::PlatformThread::Delegate { |
| 31 public: | 26 public: |
| 32 explicit PluginMainDelegate(EntryPointType entry_point) | 27 explicit PluginMainDelegate(EntryPointType entry_point) |
| 33 : entry_point_(entry_point) { | 28 : entry_point_(entry_point) { |
| 34 } | 29 } |
| 35 | 30 |
| 36 ~PluginMainDelegate() override {} | 31 ~PluginMainDelegate() override {} |
| 37 | 32 |
| 38 void ThreadMain() override { | 33 void ThreadMain() override { |
| 39 base::PlatformThread::SetName("NaClMainThread"); | 34 base::PlatformThread::SetName("NaClMainThread"); |
| 40 | 35 |
| 41 // This will only happen once per process, so we give the permission to | 36 // This will only happen once per process, so we give the permission to |
| 42 // create Singletons. | 37 // create Singletons. |
| 43 base::ThreadRestrictions::SetSingletonAllowed(true); | 38 base::ThreadRestrictions::SetSingletonAllowed(true); |
| 44 uintptr_t info[] = { | 39 uintptr_t info[] = { |
| 45 0, // Do not use fini. | 40 0, // Do not use fini. |
| 46 0, // envc. | 41 0, // envc. |
| 47 0, // argc. | 42 0, // argc. |
| 48 0, // Null terminate for argv. | 43 0, // Null terminate for argv. |
| 49 0, // Null terminate for envv. | 44 0, // Null terminate for envv. |
| 50 AT_SYSINFO, | 45 AT_SYSINFO, |
| 51 #if defined(OS_NACL_NONSFI) | |
| 52 reinterpret_cast<uintptr_t>(&chrome_irt_query), | 46 reinterpret_cast<uintptr_t>(&chrome_irt_query), |
| 53 #else | |
| 54 reinterpret_cast<uintptr_t>(&NaClIrtInterface), | |
| 55 #endif | |
| 56 AT_NULL, | 47 AT_NULL, |
| 57 0, // Null terminate for auxv. | 48 0, // Null terminate for auxv. |
| 58 }; | 49 }; |
| 59 entry_point_(info); | 50 entry_point_(info); |
| 60 } | 51 } |
| 61 | 52 |
| 62 private: | 53 private: |
| 63 EntryPointType entry_point_; | 54 EntryPointType entry_point_; |
| 64 }; | 55 }; |
| 65 | 56 |
| 66 // Default stack size of the plugin main thread. We heuristically chose 16M. | 57 // Default stack size of the plugin main thread. We heuristically chose 16M. |
| 67 const size_t kStackSize = (16 << 20); | 58 const size_t kStackSize = (16 << 20); |
| 68 | 59 |
| 69 #if !defined(OS_NACL_NONSFI) | |
| 70 struct NaClDescUnrefer { | |
| 71 void operator()(struct NaClDesc* desc) const { | |
| 72 NaClDescUnref(desc); | |
| 73 } | |
| 74 }; | |
| 75 #endif | |
| 76 | |
| 77 } // namespace | 60 } // namespace |
| 78 | 61 |
| 79 void MainStart(int nexe_file) { | 62 void MainStart(int nexe_file) { |
| 80 #if defined(OS_NACL_NONSFI) | |
| 81 EntryPointType entry_point = | 63 EntryPointType entry_point = |
| 82 reinterpret_cast<EntryPointType>(NaClLoadElfFile(nexe_file)); | 64 reinterpret_cast<EntryPointType>(NaClLoadElfFile(nexe_file)); |
| 83 #else | |
| 84 ::scoped_ptr<struct NaClDesc, NaClDescUnrefer> desc( | |
| 85 NaClDescIoMakeFromHandle(nexe_file, NACL_ABI_O_RDONLY)); | |
| 86 ElfImage image; | |
| 87 if (image.Read(desc.get()) != LOAD_OK) { | |
| 88 LOG(ERROR) << "LoadModuleRpc: Failed to read binary."; | |
| 89 return; | |
| 90 } | |
| 91 | |
| 92 if (image.Load(desc.get()) != LOAD_OK) { | |
| 93 LOG(ERROR) << "LoadModuleRpc: Failed to load the image"; | |
| 94 return; | |
| 95 } | |
| 96 | |
| 97 EntryPointType entry_point = | |
| 98 reinterpret_cast<EntryPointType>(image.entry_point()); | |
| 99 #endif | |
| 100 if (!base::PlatformThread::CreateNonJoinable( | 65 if (!base::PlatformThread::CreateNonJoinable( |
| 101 kStackSize, new PluginMainDelegate(entry_point))) { | 66 kStackSize, new PluginMainDelegate(entry_point))) { |
| 102 LOG(ERROR) << "LoadModuleRpc: Failed to create plugin main thread."; | 67 LOG(ERROR) << "LoadModuleRpc: Failed to create plugin main thread."; |
| 103 return; | 68 return; |
| 104 } | 69 } |
| 105 } | 70 } |
| 106 | 71 |
| 107 } // namespace nonsfi | 72 } // namespace nonsfi |
| 108 } // namespace nacl | 73 } // namespace nacl |
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