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100 lines
2.7 KiB
100 lines
2.7 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 SIMPLE_PERF_PERF_REGS_H_ |
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#define SIMPLE_PERF_PERF_REGS_H_ |
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#if defined(USE_BIONIC_UAPI_HEADERS) |
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#include <uapi/asm-x86/asm/perf_regs.h> |
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#include <uapi/asm-arm/asm/perf_regs.h> |
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#define perf_event_arm_regs perf_event_arm64_regs |
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#include <uapi/asm-arm64/asm/perf_regs.h> |
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#else |
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#include <asm-x86/asm/perf_regs.h> |
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#include <asm-arm/asm/perf_regs.h> |
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#define perf_event_arm_regs perf_event_arm64_regs |
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#include <asm-arm64/asm/perf_regs.h> |
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#endif |
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#include <stdint.h> |
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#include <string> |
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#include <vector> |
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#include "perf_event.h" |
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enum ArchType { |
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ARCH_X86_32, |
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ARCH_X86_64, |
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ARCH_ARM, |
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ARCH_ARM64, |
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ARCH_UNSUPPORTED, |
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}; |
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constexpr ArchType GetBuildArch() { |
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#if defined(__i386__) |
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return ARCH_X86_32; |
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#elif defined(__x86_64__) |
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return ARCH_X86_64; |
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#elif defined(__aarch64__) |
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return ARCH_ARM64; |
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#elif defined(__arm__) |
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return ARCH_ARM; |
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#else |
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return ARCH_UNSUPPORTED; |
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#endif |
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} |
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ArchType GetArchType(const std::string& arch); |
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ArchType GetArchForAbi(ArchType machine_arch, int abi); |
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std::string GetArchString(ArchType arch); |
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bool IsArchTheSame(ArchType arch1, ArchType arch2, bool strict_check); |
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uint64_t GetSupportedRegMask(ArchType arch); |
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std::string GetRegName(size_t regno, ArchType arch); |
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class ScopedCurrentArch { |
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public: |
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explicit ScopedCurrentArch(ArchType arch) : saved_arch(current_arch) { |
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current_arch = arch; |
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current_arch32 = GetArchForAbi(arch, PERF_SAMPLE_REGS_ABI_32); |
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} |
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~ScopedCurrentArch() { |
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current_arch = saved_arch; |
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current_arch32 = GetArchForAbi(saved_arch, PERF_SAMPLE_REGS_ABI_32); |
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} |
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static ArchType GetCurrentArch() { |
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return current_arch; |
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} |
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static ArchType GetCurrentArch32() { |
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return current_arch32; |
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} |
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private: |
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ArchType saved_arch; |
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static ArchType current_arch; |
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static ArchType current_arch32; |
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}; |
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struct RegSet { |
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uint64_t valid_mask; |
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uint64_t data[64]; |
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}; |
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RegSet CreateRegSet(int abi, uint64_t valid_mask, const uint64_t* valid_regs); |
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bool GetRegValue(const RegSet& regs, size_t regno, uint64_t* value); |
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bool GetSpRegValue(const RegSet& regs, ArchType arch, uint64_t* value); |
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#endif // SIMPLE_PERF_PERF_REGS_H_
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