2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef SIMPLE_PERF_PERF_REGS_H_
18 #define SIMPLE_PERF_PERF_REGS_H_
20 #if defined(USE_BIONIC_UAPI_HEADERS)
21 #include <uapi/asm-x86/asm/perf_regs.h>
22 #include <uapi/asm-arm/asm/perf_regs.h>
23 #define perf_event_arm_regs perf_event_arm64_regs
24 #include <uapi/asm-arm64/asm/perf_regs.h>
26 #include <asm-x86/asm/perf_regs.h>
27 #include <asm-arm/asm/perf_regs.h>
28 #define perf_event_arm_regs perf_event_arm64_regs
29 #include <asm-arm64/asm/perf_regs.h>
36 #include "perf_event.h"
46 constexpr ArchType GetBuildArch() {
49 #elif defined(__x86_64__)
51 #elif defined(__aarch64__)
53 #elif defined(__arm__)
56 return ARCH_UNSUPPORTED;
60 ArchType GetArchType(const std::string& arch);
61 ArchType GetArchForAbi(ArchType machine_arch, int abi);
62 std::string GetArchString(ArchType arch);
63 uint64_t GetSupportedRegMask(ArchType arch);
64 std::string GetRegName(size_t regno, ArchType arch);
66 class ScopedCurrentArch {
68 explicit ScopedCurrentArch(ArchType arch) : saved_arch(current_arch) {
70 current_arch32 = GetArchForAbi(arch, PERF_SAMPLE_REGS_ABI_32);
72 ~ScopedCurrentArch() {
73 current_arch = saved_arch;
74 current_arch32 = GetArchForAbi(saved_arch, PERF_SAMPLE_REGS_ABI_32);
76 static ArchType GetCurrentArch() {
79 static ArchType GetCurrentArch32() {
80 return current_arch32;
85 static ArchType current_arch;
86 static ArchType current_arch32;
91 // For each setting bit in valid_mask, there is a valid reg value in data[].
93 // Stores reg values. Values for invalid regs are 0.
96 RegSet(int abi, uint64_t valid_mask, const uint64_t* valid_regs);
98 bool GetRegValue(size_t regno, uint64_t* value) const;
99 bool GetSpRegValue(uint64_t* value) const;
100 bool GetIpRegValue(uint64_t* value) const;
103 #endif // SIMPLE_PERF_PERF_REGS_H_