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100 lines
2.5 KiB
100 lines
2.5 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-arm/asm/perf_regs.h>
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#include <uapi/asm-x86/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-arm/asm/perf_regs.h>
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#include <asm-x86/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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namespace simpleperf {
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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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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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}
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~ScopedCurrentArch() {
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current_arch = saved_arch;
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}
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static ArchType GetCurrentArch() { return current_arch; }
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private:
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ArchType saved_arch;
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static ArchType current_arch;
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};
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struct RegSet {
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ArchType arch;
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// For each setting bit in valid_mask, there is a valid reg value in data[].
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uint64_t valid_mask;
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// Stores reg values. Values for invalid regs are 0.
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uint64_t data[64];
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RegSet(int abi, uint64_t valid_mask, const uint64_t* valid_regs);
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bool GetRegValue(size_t regno, uint64_t* value) const;
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bool GetSpRegValue(uint64_t* value) const;
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bool GetIpRegValue(uint64_t* value) const;
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};
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} // namespace simpleperf
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#endif // SIMPLE_PERF_PERF_REGS_H_
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