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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SIMPLE_PERF_PERF_REGS_H_
#define SIMPLE_PERF_PERF_REGS_H_
#if defined(USE_BIONIC_UAPI_HEADERS)
#include <uapi/asm-arm/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#include <uapi/asm-x86/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#include <uapi/asm-riscv/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#define perf_event_arm_regs perf_event_arm64_regs
#include <uapi/asm-arm64/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#else
#include <asm-arm/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#include <asm-x86/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#include <asm-riscv/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#define perf_event_arm_regs perf_event_arm64_regs
#include <asm-arm64/asm/perf_regs.h>
#undef PERF_REG_EXTENDED_MASK
#endif
#include <stdint.h>
#include <string>
#include <vector>
#include "perf_event.h"
namespace simpleperf {
enum ArchType {
ARCH_X86_32,
ARCH_X86_64,
ARCH_ARM,
ARCH_ARM64,
ARCH_RISCV64,
ARCH_UNSUPPORTED,
};
constexpr ArchType GetTargetArch() {
#if defined(__i386__)
return ARCH_X86_32;
#elif defined(__x86_64__)
return ARCH_X86_64;
#elif defined(__aarch64__)
return ARCH_ARM64;
#elif defined(__arm__)
return ARCH_ARM;
#elif defined(__riscv)
return ARCH_RISCV64;
#else
return ARCH_UNSUPPORTED;
#endif
}
ArchType GetArchType(const std::string& arch);
ArchType GetArchForAbi(ArchType machine_arch, int abi);
std::string GetArchString(ArchType arch);
uint64_t GetSupportedRegMask(ArchType arch);
std::string GetRegName(size_t regno, ArchType arch);
class ScopedCurrentArch {
public:
explicit ScopedCurrentArch(ArchType arch) : saved_arch(current_arch) {
current_arch = arch;
}
~ScopedCurrentArch() {
current_arch = saved_arch;
}
static ArchType GetCurrentArch() { return current_arch; }
private:
ArchType saved_arch;
static ArchType current_arch;
};
struct RegSet {
ArchType arch;
// For each setting bit in valid_mask, there is a valid reg value in data[].
uint64_t valid_mask;
// Stores reg values. Values for invalid regs are 0.
uint64_t data[64];
RegSet(int abi, uint64_t valid_mask, const uint64_t* valid_regs);
bool GetRegValue(size_t regno, uint64_t* value) const;
bool GetSpRegValue(uint64_t* value) const;
bool GetIpRegValue(uint64_t* value) const;
};
} // namespace simpleperf
#endif // SIMPLE_PERF_PERF_REGS_H_
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