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_SRC_INTERNAL_TYPES_H_ 6 #define SANDBOX_SRC_INTERNAL_TYPES_H_ 7 8 namespace sandbox { 9 10 const wchar_t kNtdllName[] = L"ntdll.dll"; 11 const wchar_t kKerneldllName[] = L"kernel32.dll"; 12 13 // Defines the supported C++ types encoding to numeric id. Like a poor's man 14 // RTTI. Note that true C++ RTTI will not work because the types are not 15 // polymorphic anyway. 16 enum ArgType { 17 INVALID_TYPE = 0, 18 WCHAR_TYPE, 19 ULONG_TYPE, 20 UNISTR_TYPE, 21 VOIDPTR_TYPE, 22 INPTR_TYPE, 23 INOUTPTR_TYPE, 24 LAST_TYPE 25 }; 26 27 // Encapsulates a pointer to a buffer and the size of the buffer. 28 class CountedBuffer { 29 public: 30 CountedBuffer(void* buffer, uint32 size) : size_(size), buffer_(buffer) {} 31 32 uint32 Size() const { 33 return size_; 34 } 35 36 void* Buffer() const { 37 return buffer_; 38 } 39 40 private: 41 uint32 size_; 42 void* buffer_; 43 }; 44 45 // Helper class to convert void-pointer packed ints for both 46 // 32 and 64 bit builds. This construct is non-portable. 47 class IPCInt { 48 public: 49 explicit IPCInt(void* buffer) { 50 buffer_.vp = buffer; 51 } 52 53 explicit IPCInt(unsigned __int32 i32) { 54 buffer_.vp = NULL; 55 buffer_.i32 = i32; 56 } 57 58 unsigned __int32 As32Bit() const { 59 return buffer_.i32; 60 } 61 62 void* AsVoidPtr() const { 63 return buffer_.vp; 64 } 65 66 private: 67 union U { 68 void* vp; 69 unsigned __int32 i32; 70 } buffer_; 71 }; 72 73 } // namespace sandbox 74 75 #endif // SANDBOX_SRC_INTERNAL_TYPES_H_ 76
