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| 1 // Copyright (c) 2012 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 #ifndef SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ | |
| 6 #define SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 namespace sandbox { | |
| 11 | |
| 12 const wchar_t kNtdllName[] = L"ntdll.dll"; | |
| 13 const wchar_t kKerneldllName[] = L"kernel32.dll"; | |
| 14 const wchar_t kKernelBasedllName[] = L"kernelbase.dll"; | |
| 15 | |
| 16 // Defines the supported C++ types encoding to numeric id. Like a poor's man | |
| 17 // RTTI. Note that true C++ RTTI will not work because the types are not | |
| 18 // polymorphic anyway. | |
| 19 enum ArgType { | |
| 20 INVALID_TYPE = 0, | |
| 21 WCHAR_TYPE, | |
| 22 UINT32_TYPE, | |
| 23 UNISTR_TYPE, | |
| 24 VOIDPTR_TYPE, | |
| 25 INPTR_TYPE, | |
| 26 INOUTPTR_TYPE, | |
| 27 LAST_TYPE | |
| 28 }; | |
| 29 | |
| 30 // Encapsulates a pointer to a buffer and the size of the buffer. | |
| 31 class CountedBuffer { | |
| 32 public: | |
| 33 CountedBuffer(void* buffer, uint32_t size) : size_(size), buffer_(buffer) {} | |
| 34 | |
| 35 uint32_t Size() const { return size_; } | |
| 36 | |
| 37 void* Buffer() const { | |
| 38 return buffer_; | |
| 39 } | |
| 40 | |
| 41 private: | |
| 42 uint32_t size_; | |
| 43 void* buffer_; | |
| 44 }; | |
| 45 | |
| 46 // Helper class to convert void-pointer packed ints for both | |
| 47 // 32 and 64 bit builds. This construct is non-portable. | |
| 48 class IPCInt { | |
| 49 public: | |
| 50 explicit IPCInt(void* buffer) { | |
| 51 buffer_.vp = buffer; | |
| 52 } | |
| 53 | |
| 54 explicit IPCInt(unsigned __int32 i32) { | |
| 55 buffer_.vp = NULL; | |
| 56 buffer_.i32 = i32; | |
| 57 } | |
| 58 | |
| 59 unsigned __int32 As32Bit() const { | |
| 60 return buffer_.i32; | |
| 61 } | |
| 62 | |
| 63 void* AsVoidPtr() const { | |
| 64 return buffer_.vp; | |
| 65 } | |
| 66 | |
| 67 private: | |
| 68 union U { | |
| 69 void* vp; | |
| 70 unsigned __int32 i32; | |
| 71 } buffer_; | |
| 72 }; | |
| 73 | |
| 74 } // namespace sandbox | |
| 75 | |
| 76 #endif // SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ | |
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