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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 "sandbox/src/sidestep_resolver.h" | 5 #include "sandbox/src/sidestep_resolver.h" |
6 | 6 |
7 #include "base/pe_image.h" | 7 #include "base/win/pe_image.h" |
8 #include "sandbox/src/sandbox_nt_util.h" | 8 #include "sandbox/src/sandbox_nt_util.h" |
9 #include "sandbox/src/sidestep/preamble_patcher.h" | 9 #include "sandbox/src/sidestep/preamble_patcher.h" |
10 | 10 |
11 namespace { | 11 namespace { |
12 | 12 |
13 const size_t kSizeOfSidestepStub = sidestep::kMaxPreambleStubSize; | 13 const size_t kSizeOfSidestepStub = sidestep::kMaxPreambleStubSize; |
14 | 14 |
15 struct SidestepThunk { | 15 struct SidestepThunk { |
16 char sidestep[kSizeOfSidestepStub]; // Storage for the sidestep stub. | 16 char sidestep[kSizeOfSidestepStub]; // Storage for the sidestep stub. |
17 int internal_thunk; // Dummy member to the beginning of the internal thunk. | 17 int internal_thunk; // Dummy member to the beginning of the internal thunk. |
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184 pop eax | 184 pop eax |
185 ret // Jump to original function. | 185 ret // Jump to original function. |
186 } | 186 } |
187 } | 187 } |
188 | 188 |
189 bool SmartSidestepResolverThunk::IsInternalCall(const void* base, | 189 bool SmartSidestepResolverThunk::IsInternalCall(const void* base, |
190 void* return_address) { | 190 void* return_address) { |
191 DCHECK_NT(base); | 191 DCHECK_NT(base); |
192 DCHECK_NT(return_address); | 192 DCHECK_NT(return_address); |
193 | 193 |
194 PEImage pe(base); | 194 base::win::PEImage pe(base); |
195 if (pe.GetImageSectionFromAddr(return_address)) | 195 if (pe.GetImageSectionFromAddr(return_address)) |
196 return true; | 196 return true; |
197 return false; | 197 return false; |
198 } | 198 } |
199 | 199 |
200 } // namespace sandbox | 200 } // namespace sandbox |
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