723cf9b6e6
Bug: 23762183 Test: All unit tests pass. Change-Id: I0ac69e55af56e1142c0a1ee3715cdc48f2ed3ec3
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/*
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* Copyright (C) 2016 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 _LIBUNWINDSTACK_REGS_H
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#define _LIBUNWINDSTACK_REGS_H
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#include <stdint.h>
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#include <vector>
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class Regs {
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public:
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Regs(uint16_t pc_reg, uint16_t sp_reg, uint16_t total_regs)
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: pc_reg_(pc_reg), sp_reg_(sp_reg), total_regs_(total_regs) {
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}
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virtual ~Regs() = default;
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uint16_t pc_reg() { return pc_reg_; }
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uint16_t sp_reg() { return sp_reg_; }
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uint16_t total_regs() { return total_regs_; }
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virtual void* raw_data() = 0;
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virtual uint64_t pc() = 0;
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virtual uint64_t sp() = 0;
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protected:
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uint16_t pc_reg_;
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uint16_t sp_reg_;
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uint16_t total_regs_;
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};
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template <typename AddressType>
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class RegsTmpl : public Regs {
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public:
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RegsTmpl(uint16_t pc_reg, uint16_t sp_reg, uint16_t total_regs)
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: Regs(pc_reg, sp_reg, total_regs), regs_(total_regs) {}
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virtual ~RegsTmpl() = default;
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uint64_t pc() override { return regs_[pc_reg_]; }
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uint64_t sp() override { return regs_[sp_reg_]; }
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inline AddressType& operator[](size_t reg) { return regs_[reg]; }
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void* raw_data() override { return regs_.data(); }
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private:
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std::vector<AddressType> regs_;
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};
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class Regs32 : public RegsTmpl<uint32_t> {
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public:
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Regs32(uint16_t pc_reg, uint16_t sp_reg, uint16_t total_regs)
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: RegsTmpl(pc_reg, sp_reg, total_regs) {}
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virtual ~Regs32() = default;
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};
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class Regs64 : public RegsTmpl<uint64_t> {
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public:
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Regs64(uint16_t pc_reg, uint16_t sp_reg, uint16_t total_regs)
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: RegsTmpl(pc_reg, sp_reg, total_regs) {}
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virtual ~Regs64() = default;
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};
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#endif // _LIBUNWINDSTACK_REGS_H
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