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54 lines
1.9 KiB
54 lines
1.9 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_DEX2OAT_LINKER_X86_RELATIVE_PATCHER_X86_BASE_H_
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#define ART_DEX2OAT_LINKER_X86_RELATIVE_PATCHER_X86_BASE_H_
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#include "linker/relative_patcher.h"
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namespace art {
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namespace linker {
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class X86BaseRelativePatcher : public RelativePatcher {
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public:
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uint32_t ReserveSpace(uint32_t offset,
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const CompiledMethod* compiled_method,
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MethodReference method_ref) override;
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uint32_t ReserveSpaceEnd(uint32_t offset) override;
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uint32_t WriteThunks(OutputStream* out, uint32_t offset) override;
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void PatchCall(std::vector<uint8_t>* code,
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uint32_t literal_offset,
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uint32_t patch_offset,
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uint32_t target_offset) override;
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std::vector<debug::MethodDebugInfo> GenerateThunkDebugInfo(uint32_t executable_offset) override;
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protected:
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X86BaseRelativePatcher() { }
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// PC displacement from patch location; the base address of x86/x86-64 relative
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// calls and x86-64 RIP-relative addressing is the PC of the next instruction and
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// the patch location is 4 bytes earlier.
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static constexpr int32_t kPcDisplacement = 4;
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private:
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DISALLOW_COPY_AND_ASSIGN(X86BaseRelativePatcher);
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};
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} // namespace linker
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} // namespace art
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#endif // ART_DEX2OAT_LINKER_X86_RELATIVE_PATCHER_X86_BASE_H_
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