Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 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 |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | #ifndef SIMPLE_PERF_PERF_REGS_H_ |
| 18 | #define SIMPLE_PERF_PERF_REGS_H_ |
| 19 | |
Yabin Cui | 8ca8ae8 | 2015-07-13 21:41:05 -0700 | [diff] [blame] | 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> |
| 25 | #else |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 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> |
Yabin Cui | 8ca8ae8 | 2015-07-13 21:41:05 -0700 | [diff] [blame] | 30 | #endif |
| 31 | |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 32 | #include <stdint.h> |
| 33 | #include <string> |
Yabin Cui | 3c8c213 | 2015-08-13 20:30:20 -0700 | [diff] [blame] | 34 | #include <vector> |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 35 | |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 36 | #include "perf_event.h" |
| 37 | |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 38 | enum ArchType { |
| 39 | ARCH_X86_32, |
| 40 | ARCH_X86_64, |
| 41 | ARCH_ARM, |
| 42 | ARCH_ARM64, |
Yabin Cui | ca7b9e7 | 2015-07-13 19:44:24 -0700 | [diff] [blame] | 43 | ARCH_UNSUPPORTED, |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 44 | }; |
| 45 | |
Yabin Cui | 3c8c213 | 2015-08-13 20:30:20 -0700 | [diff] [blame] | 46 | constexpr ArchType GetBuildArch() { |
| 47 | #if defined(__i386__) |
| 48 | return ARCH_X86_32; |
| 49 | #elif defined(__x86_64__) |
| 50 | return ARCH_X86_64; |
| 51 | #elif defined(__aarch64__) |
| 52 | return ARCH_ARM64; |
| 53 | #elif defined(__arm__) |
| 54 | return ARCH_ARM; |
| 55 | #else |
| 56 | return ARCH_UNSUPPORTED; |
| 57 | #endif |
| 58 | } |
| 59 | |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 60 | ArchType GetArchType(const std::string& arch); |
Yabin Cui | 257d5e6 | 2016-03-30 16:21:47 -0700 | [diff] [blame] | 61 | ArchType GetArchForAbi(ArchType machine_arch, int abi); |
| 62 | std::string GetArchString(ArchType arch); |
Yabin Cui | 4b6720d | 2016-03-31 14:39:19 -0700 | [diff] [blame] | 63 | bool IsArchTheSame(ArchType arch1, ArchType arch2, bool strict_check); |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 64 | uint64_t GetSupportedRegMask(ArchType arch); |
| 65 | std::string GetRegName(size_t regno, ArchType arch); |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 66 | |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 67 | class ScopedCurrentArch { |
| 68 | public: |
Chih-Hung Hsieh | 5674ed8 | 2016-07-12 11:35:16 -0700 | [diff] [blame] | 69 | explicit ScopedCurrentArch(ArchType arch) : saved_arch(current_arch) { |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 70 | current_arch = arch; |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 71 | current_arch32 = GetArchForAbi(arch, PERF_SAMPLE_REGS_ABI_32); |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 72 | } |
| 73 | ~ScopedCurrentArch() { |
| 74 | current_arch = saved_arch; |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 75 | current_arch32 = GetArchForAbi(saved_arch, PERF_SAMPLE_REGS_ABI_32); |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 76 | } |
| 77 | static ArchType GetCurrentArch() { |
| 78 | return current_arch; |
| 79 | } |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 80 | static ArchType GetCurrentArch32() { |
| 81 | return current_arch32; |
| 82 | } |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 83 | |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 84 | private: |
| 85 | ArchType saved_arch; |
| 86 | static ArchType current_arch; |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 87 | static ArchType current_arch32; |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 88 | }; |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 89 | |
Yabin Cui | 3c8c213 | 2015-08-13 20:30:20 -0700 | [diff] [blame] | 90 | struct RegSet { |
| 91 | uint64_t valid_mask; |
| 92 | uint64_t data[64]; |
| 93 | }; |
| 94 | |
Yabin Cui | 417df29 | 2016-11-16 12:26:13 -0800 | [diff] [blame] | 95 | RegSet CreateRegSet(int abi, uint64_t valid_mask, const uint64_t* valid_regs); |
Yabin Cui | 3c8c213 | 2015-08-13 20:30:20 -0700 | [diff] [blame] | 96 | |
| 97 | bool GetRegValue(const RegSet& regs, size_t regno, uint64_t* value); |
Yabin Cui | 4846089 | 2016-03-18 12:30:31 -0700 | [diff] [blame] | 98 | bool GetSpRegValue(const RegSet& regs, ArchType arch, uint64_t* value); |
Yabin Cui | 3c8c213 | 2015-08-13 20:30:20 -0700 | [diff] [blame] | 99 | |
Yabin Cui | 76769e5 | 2015-07-13 12:23:54 -0700 | [diff] [blame] | 100 | #endif // SIMPLE_PERF_PERF_REGS_H_ |