96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
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* Copyright (C) 2014 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_COMPILER_UTILS_DWARF_CFI_H_
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#define ART_COMPILER_UTILS_DWARF_CFI_H_
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#include <vector>
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namespace art {
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/**
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* @brief Enter a 'DW_CFA_advance_loc' into an FDE buffer
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* @param buf FDE buffer.
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* @param increment Amount by which to increase the current location.
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*/
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void DW_CFA_advance_loc(std::vector<uint8_t>* buf, uint32_t increment);
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/**
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* @brief Enter a 'DW_CFA_offset_extended_sf' into an FDE buffer
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* @param buf FDE buffer.
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* @param reg Register number.
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* @param offset Offset of register address from CFA.
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*/
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void DW_CFA_offset_extended_sf(std::vector<uint8_t>* buf, int reg, int32_t offset);
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/**
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* @brief Enter a 'DW_CFA_offset' into an FDE buffer
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* @param buf FDE buffer.
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* @param reg Register number.
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* @param offset Offset of register address from CFA.
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*/
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void DW_CFA_offset(std::vector<uint8_t>* buf, int reg, uint32_t offset);
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/**
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* @brief Enter a 'DW_CFA_def_cfa_offset' into an FDE buffer
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* @param buf FDE buffer.
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* @param offset New offset of CFA.
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*/
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void DW_CFA_def_cfa_offset(std::vector<uint8_t>* buf, int32_t offset);
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/**
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* @brief Enter a 'DW_CFA_remember_state' into an FDE buffer
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* @param buf FDE buffer.
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*/
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void DW_CFA_remember_state(std::vector<uint8_t>* buf);
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/**
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* @brief Enter a 'DW_CFA_restore_state' into an FDE buffer
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* @param buf FDE buffer.
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*/
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void DW_CFA_restore_state(std::vector<uint8_t>* buf);
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/**
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* @brief Write FDE header into an FDE buffer
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* @param buf FDE buffer.
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* @param is_64bit If FDE is for 64bit application.
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*/
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void WriteFDEHeader(std::vector<uint8_t>* buf, bool is_64bit);
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/**
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* @brief Set 'address_range' field of an FDE buffer
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* @param buf FDE buffer.
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* @param data Data value.
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* @param is_64bit If FDE is for 64bit application.
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*/
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void WriteFDEAddressRange(std::vector<uint8_t>* buf, uint64_t data, bool is_64bit);
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/**
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* @brief Set 'length' field of an FDE buffer
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* @param buf FDE buffer.
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* @param is_64bit If FDE is for 64bit application.
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*/
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void WriteCFILength(std::vector<uint8_t>* buf, bool is_64bit);
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/**
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* @brief Pad an FDE buffer with 0 until its size is a multiple of 4
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* @param buf FDE buffer.
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*/
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void PadCFI(std::vector<uint8_t>* buf);
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} // namespace art
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#endif // ART_COMPILER_UTILS_DWARF_CFI_H_
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