Coverage Report

Created: 2025-06-13 06:34

/src/perfetto/buildtools/android-unwinding/libunwindstack/RegsInfo.h
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/*
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 * Copyright (C) 2018 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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#pragma once
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#include <stdint.h>
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#include <unwindstack/Regs.h>
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namespace unwindstack {
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template <typename AddressType>
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struct RegsInfo {
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  static constexpr size_t MAX_REGISTERS = 64;
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  RegsInfo(RegsImpl<AddressType>* regs) : regs(regs) {}
Unexecuted instantiation: unwindstack::RegsInfo<unsigned int>::RegsInfo(unwindstack::RegsImpl<unsigned int>*)
unwindstack::RegsInfo<unsigned long>::RegsInfo(unwindstack::RegsImpl<unsigned long>*)
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  RegsInfo(RegsImpl<AddressType>* regs) : regs(regs) {}
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  RegsImpl<AddressType>* regs = nullptr;
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  uint64_t saved_reg_map = 0;
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  AddressType saved_regs[MAX_REGISTERS];
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  inline AddressType Get(uint32_t reg) {
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    if (IsSaved(reg)) {
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      return saved_regs[reg];
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    }
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    return (*regs)[reg];
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  }
Unexecuted instantiation: unwindstack::RegsInfo<unsigned int>::Get(unsigned int)
unwindstack::RegsInfo<unsigned long>::Get(unsigned int)
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10.0k
  inline AddressType Get(uint32_t reg) {
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    if (IsSaved(reg)) {
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      return saved_regs[reg];
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    }
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    return (*regs)[reg];
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  }
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  inline AddressType* Save(uint32_t reg) {
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    if (reg >= MAX_REGISTERS) {
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      // This should never happen since all currently supported
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      // architectures have < 64 total registers.
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      abort();
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    }
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    saved_reg_map |= 1ULL << reg;
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    saved_regs[reg] = (*regs)[reg];
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    return &(*regs)[reg];
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  }
Unexecuted instantiation: unwindstack::RegsInfo<unsigned int>::Save(unsigned int)
unwindstack::RegsInfo<unsigned long>::Save(unsigned int)
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  inline AddressType* Save(uint32_t reg) {
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    if (reg >= MAX_REGISTERS) {
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      // This should never happen since all currently supported
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      // architectures have < 64 total registers.
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      abort();
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    }
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    saved_reg_map |= 1ULL << reg;
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    saved_regs[reg] = (*regs)[reg];
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    return &(*regs)[reg];
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  }
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  inline bool IsSaved(uint32_t reg) {
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    if (reg > MAX_REGISTERS) {
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      // This should never happen since all currently supported
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      // architectures have < 64 total registers.
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      abort();
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    }
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    return saved_reg_map & (1ULL << reg);
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  }
Unexecuted instantiation: unwindstack::RegsInfo<unsigned int>::IsSaved(unsigned int)
unwindstack::RegsInfo<unsigned long>::IsSaved(unsigned int)
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10.0k
  inline bool IsSaved(uint32_t reg) {
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    if (reg > MAX_REGISTERS) {
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      // This should never happen since all currently supported
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      // architectures have < 64 total registers.
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      abort();
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    }
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    return saved_reg_map & (1ULL << reg);
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  }
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  inline uint16_t Total() { return regs->total_regs(); }
Unexecuted instantiation: unwindstack::RegsInfo<unsigned int>::Total()
unwindstack::RegsInfo<unsigned long>::Total()
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10.0k
  inline uint16_t Total() { return regs->total_regs(); }
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};
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}  // namespace unwindstack