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| 1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
| 2 // | 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
| 6 // | 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // | 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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| 65 | 65 |
| 66 using GetSectionDataType = | 66 using GetSectionDataType = |
| 67 uint8_t*(*)(const MachHeader*, const char*, const char*, unsigned long*); | 67 uint8_t*(*)(const MachHeader*, const char*, const char*, unsigned long*); |
| 68 using GetSegmentDataType = | 68 using GetSegmentDataType = |
| 69 uint8_t*(*)(const MachHeader*, const char*, unsigned long*); | 69 uint8_t*(*)(const MachHeader*, const char*, unsigned long*); |
| 70 | 70 |
| 71 } // namespace | 71 } // namespace |
| 72 | 72 |
| 73 extern "C" { | 73 extern "C" { |
| 74 | 74 |
| 75 // These implementations look up their functions in libmacho at run time. If | 75 // These implementations look up their functions in libmacho at run time. If the |
| 76 // the system libmacho provides these functions as it normally does on Mac OS X | 76 // system libmacho provides these functions as it normally does on OS X 10.7 and |
| 77 // 10.7 and later, the system’s versions are used directly. Otherwise, the | 77 // later, the system’s versions are used directly. Otherwise, the versions in |
| 78 // versions in third_party/apple_cctools are used, which are actually just | 78 // third_party/apple_cctools are used, which are actually just copies of the |
| 79 // copies of the system’s functions. | 79 // system’s functions. |
| 80 | 80 |
| 81 uint8_t* getsectiondata(const MachHeader* mhp, | 81 uint8_t* getsectiondata(const MachHeader* mhp, |
| 82 const char* segname, | 82 const char* segname, |
| 83 const char* sectname, | 83 const char* sectname, |
| 84 unsigned long* size) { | 84 unsigned long* size) { |
| 85 static GetSectionDataType system_getsectiondata = | 85 static GetSectionDataType system_getsectiondata = |
| 86 reinterpret_cast<GetSectionDataType>( | 86 reinterpret_cast<GetSectionDataType>( |
| 87 LookUpSystemLibMachOSymbol("getsectiondata")); | 87 LookUpSystemLibMachOSymbol("getsectiondata")); |
| 88 if (system_getsectiondata) { | 88 if (system_getsectiondata) { |
| 89 return system_getsectiondata(mhp, segname, sectname, size); | 89 return system_getsectiondata(mhp, segname, sectname, size); |
| 90 } | 90 } |
| 91 return crashpad_getsectiondata(mhp, segname, sectname, size); | 91 return crashpad_getsectiondata(mhp, segname, sectname, size); |
| 92 } | 92 } |
| 93 | 93 |
| 94 uint8_t* getsegmentdata( | 94 uint8_t* getsegmentdata( |
| 95 const MachHeader* mhp, const char* segname, unsigned long* size) { | 95 const MachHeader* mhp, const char* segname, unsigned long* size) { |
| 96 static GetSegmentDataType system_getsegmentdata = | 96 static GetSegmentDataType system_getsegmentdata = |
| 97 reinterpret_cast<GetSegmentDataType>( | 97 reinterpret_cast<GetSegmentDataType>( |
| 98 LookUpSystemLibMachOSymbol("getsegmentdata")); | 98 LookUpSystemLibMachOSymbol("getsegmentdata")); |
| 99 if (system_getsegmentdata) { | 99 if (system_getsegmentdata) { |
| 100 return system_getsegmentdata(mhp, segname, size); | 100 return system_getsegmentdata(mhp, segname, size); |
| 101 } | 101 } |
| 102 return crashpad_getsegmentdata(mhp, segname, size); | 102 return crashpad_getsegmentdata(mhp, segname, size); |
| 103 } | 103 } |
| 104 | 104 |
| 105 } // extern "C" | 105 } // extern "C" |
| 106 | 106 |
| 107 #endif // MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7 | 107 #endif // MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7 |
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