utils.h revision c200a4abeca91e19969f5b35543f17f812ba32b9
12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 16a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#ifndef ART_RUNTIME_UTILS_H_ 18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#define ART_RUNTIME_UTILS_H_ 19a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 2092b3b5623ec8b65f3e099c076e247bb8273692f8Elliott Hughes#include <pthread.h> 21e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes 2234023801bd544e613d6e85c9a5b2e743f3710e8fElliott Hughes#include <string> 2334023801bd544e613d6e85c9a5b2e743f3710e8fElliott Hughes#include <vector> 2434023801bd544e613d6e85c9a5b2e743f3710e8fElliott Hughes 25e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "base/logging.h" 26e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "globals.h" 270e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom#include "instruction_set.h" 28e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "primitive.h" 29e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes 30bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle#ifdef HAVE_ANDROID_OS 31bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle#include "cutils/properties.h" 32bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle#endif 33bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle 346b6b5f0e67ce03f38223a525612955663bc1799bCarl Shapironamespace art { 35a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 360571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogersclass DexFile; 372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 39ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromclass ArtField; 40ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromclass ArtMethod; 412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersclass Class; 4211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughesclass Object; 435174fe6e4e931c423e910366ff22ce0838567940Elliott Hughesclass String; 442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers} // namespace mirror 4511e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 460325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartierenum TimeUnit { 470325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier kTimeUnitNanosecond, 480325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier kTimeUnitMicrosecond, 490325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier kTimeUnitMillisecond, 500325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier kTimeUnitSecond, 510325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier}; 520325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier 53a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapirotemplate<typename T> 548194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr bool IsPowerOfTwo(T x) { 55a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro return (x & (x - 1)) == 0; 56a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro} 57a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 5806b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughestemplate<int n, typename T> 5906b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughesstatic inline bool IsAligned(T x) { 6006b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughes COMPILE_ASSERT((n & (n - 1)) == 0, n_not_power_of_two); 61a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro return (x & (n - 1)) == 0; 62a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro} 63a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 6406b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughestemplate<int n, typename T> 6506b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughesstatic inline bool IsAligned(T* x) { 6689521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom return IsAligned<n>(reinterpret_cast<const uintptr_t>(x)); 67a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro} 68a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 69af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampetemplate<typename T> 70af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampestatic inline bool IsAlignedParam(T x, int n) { 71af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe return (x & (n - 1)) == 0; 72af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe} 73af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe 7406b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughes#define CHECK_ALIGNED(value, alignment) \ 7589521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom CHECK(::art::IsAligned<alignment>(value)) << reinterpret_cast<const void*>(value) 7606b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughes 7706b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughes#define DCHECK_ALIGNED(value, alignment) \ 7889521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom DCHECK(::art::IsAligned<alignment>(value)) << reinterpret_cast<const void*>(value) 79af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe 80af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe#define DCHECK_ALIGNED_PARAM(value, alignment) \ 81af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe DCHECK(::art::IsAlignedParam(value, alignment)) << reinterpret_cast<const void*>(value) 8206b37d91bb3d543002b1aee9829691f5e8bebc7eElliott Hughes 83a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro// Check whether an N-bit two's-complement representation can hold value. 84a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapirostatic inline bool IsInt(int N, word value) { 85a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro CHECK_LT(0, N); 86a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro CHECK_LT(N, kBitsPerWord); 87a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro word limit = static_cast<word>(1) << (N - 1); 88a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro return (-limit <= value) && (value < limit); 89a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro} 90a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 91a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapirostatic inline bool IsUint(int N, word value) { 92a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro CHECK_LT(0, N); 93a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro CHECK_LT(N, kBitsPerWord); 94a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro word limit = static_cast<word>(1) << N; 95a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro return (0 <= value) && (value < limit); 96a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro} 97a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 98a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapirostatic inline bool IsAbsoluteUint(int N, word value) { 99a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro CHECK_LT(0, N); 100a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro CHECK_LT(N, kBitsPerWord); 101a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro if (value < 0) value = -value; 102a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro return IsUint(N, value); 103a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro} 104a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 1054ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbeestatic inline uint16_t Low16Bits(uint32_t value) { 1064ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return static_cast<uint16_t>(value); 107b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers} 108b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers 1094ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbeestatic inline uint16_t High16Bits(uint32_t value) { 1104ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return static_cast<uint16_t>(value >> 16); 111b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers} 112a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 1134ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbeestatic inline uint32_t Low32Bits(uint64_t value) { 1144ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return static_cast<uint32_t>(value); 115a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro} 116a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 1174ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbeestatic inline uint32_t High32Bits(uint64_t value) { 1184ef3e45d7c6ec3c482a1a48f4df470811aa3cf0abuzbee return static_cast<uint32_t>(value >> 32); 119a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro} 120a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 1210a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier// A static if which determines whether to return type A or B based on the condition boolean. 1228194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markotemplate <bool condition, typename A, typename B> 1230a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartierstruct TypeStaticIf { 1248194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko typedef A type; 1250a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier}; 1260a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier 1270a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier// Specialization to handle the false case. 1280a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartiertemplate <typename A, typename B> 1290a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartierstruct TypeStaticIf<false, A, B> { 1308194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko typedef B type; 1318194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko}; 1328194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko 1338194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko// Type identity. 1348194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markotemplate <typename T> 1358194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostruct TypeIdentity { 1368194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko typedef T type; 1370a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier}; 1380a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartier 1390941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi// For rounding integers. 14061e019d291583029c01b61b93bea750f2b663c37Carl Shapirotemplate<typename T> 1418194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr T RoundDown(T x, typename TypeIdentity<T>::type n) { 1428194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return 143836424805dd48af67088d30992a3f2e6841ca047Vladimir Marko DCHECK_CONSTEXPR(IsPowerOfTwo(n), , T(0)) 144836424805dd48af67088d30992a3f2e6841ca047Vladimir Marko (x & -n); 14561e019d291583029c01b61b93bea750f2b663c37Carl Shapiro} 14661e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 14761e019d291583029c01b61b93bea750f2b663c37Carl Shapirotemplate<typename T> 1488194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr T RoundUp(T x, typename TypeIdentity<T>::type n) { 14961e019d291583029c01b61b93bea750f2b663c37Carl Shapiro return RoundDown(x + n - 1, n); 15061e019d291583029c01b61b93bea750f2b663c37Carl Shapiro} 15161e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 1520941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi// For aligning pointers. 1530941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchitemplate<typename T> 1548194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic inline T* AlignDown(T* x, uintptr_t n) { 1558194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return reinterpret_cast<T*>(RoundDown(reinterpret_cast<uintptr_t>(x), n)); 1560941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi} 1570941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi 1580941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchitemplate<typename T> 1598194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic inline T* AlignUp(T* x, uintptr_t n) { 1608194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return reinterpret_cast<T*>(RoundUp(reinterpret_cast<uintptr_t>(x), n)); 1610941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi} 1620941b0423537a6a5d7c1df6dd23e9864ea8f319cHiroshi Yamauchi 163a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro// Implementation is from "Hacker's Delight" by Henry S. Warren, Jr., 1641fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro// figure 3-3, page 48, where the function is called clp2. 1651fb8620309a4e94d11879aabc33364acfa733904Carl Shapirostatic inline uint32_t RoundUpToPowerOfTwo(uint32_t x) { 1661fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x - 1; 1671fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x | (x >> 1); 1681fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x | (x >> 2); 1691fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x | (x >> 4); 1701fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x | (x >> 8); 1711fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro x = x | (x >> 16); 1721fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro return x + 1; 1731fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro} 1741fb8620309a4e94d11879aabc33364acfa733904Carl Shapiro 1758194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markotemplate<typename T> 1768194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr int CLZ(T x) { 1778194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return (sizeof(T) == sizeof(uint32_t)) 1788194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko ? __builtin_clz(x) 1798194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko : __builtin_clzll(x); 180a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro} 181a2e18e1e77fc25c8260aad5daa267ababfcb65f6Carl Shapiro 182ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate<typename T> 1838194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr int CTZ(T x) { 1848194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return (sizeof(T) == sizeof(uint32_t)) 1858194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko ? __builtin_ctz(x) 1868194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko : __builtin_ctzll(x); 187ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers} 188ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers 189ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate<typename T> 1908194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Markostatic constexpr int POPCOUNT(T x) { 1918194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko return (sizeof(T) == sizeof(uint32_t)) 1928194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko ? __builtin_popcount(x) 1938194963098247be6bca9cc4a54dbfa65c73e8cccVladimir Marko : __builtin_popcountll(x); 194ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers} 195ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers 196ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic inline uint32_t PointerToLowMemUInt32(const void* p) { 197ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uintptr_t intp = reinterpret_cast<uintptr_t>(p); 198ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers DCHECK_LE(intp, 0xFFFFFFFFU); 199ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers return intp & 0xFFFFFFFFU; 200ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers} 201db4d54081f09abcbe97ffdf615874f2809a9e777Brian Carlstrom 20246b92ba72247e10884714d0b683bdb5e9d9ce59dElliott Hughesstatic inline bool NeedsEscaping(uint16_t ch) { 20346b92ba72247e10884714d0b683bdb5e9d9ce59dElliott Hughes return (ch < ' ' || ch > '~'); 20446b92ba72247e10884714d0b683bdb5e9d9ce59dElliott Hughes} 20546b92ba72247e10884714d0b683bdb5e9d9ce59dElliott Hughes 206c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe// Interpret the bit pattern of input (type U) as type V. Requires the size 207c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe// of V >= size of U (compile-time checked). 208c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampetemplate<typename U, typename V> 209c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampestatic inline V bit_cast(U in) { 210c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe COMPILE_ASSERT(sizeof(U) <= sizeof(V), size_of_u_not_le_size_of_v); 211c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe union { 212c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe U u; 213c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe V v; 214c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe } tmp; 215c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe tmp.u = in; 216c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe return tmp.v; 217c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe} 218c200a4abeca91e19969f5b35543f17f812ba32b9Andreas Gampe 219576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogersstd::string PrintableChar(uint16_t ch); 220c7ac37f0b8b64cfb53d8b9cc8dddbb34be3dd5eeElliott Hughes 22182914b6164fd0109531391975389e4f0ff6832c8Elliott Hughes// Returns an ASCII string corresponding to the given UTF-8 string. 22282914b6164fd0109531391975389e4f0ff6832c8Elliott Hughes// Java escapes are used for non-ASCII characters. 22382914b6164fd0109531391975389e4f0ff6832c8Elliott Hughesstd::string PrintableString(const std::string& utf8); 224c7ac37f0b8b64cfb53d8b9cc8dddbb34be3dd5eeElliott Hughes 225f1a5adc87760f938b01df26d906295063546b259Elliott Hughes// Tests whether 's' starts with 'prefix'. 226f1a5adc87760f938b01df26d906295063546b259Elliott Hughesbool StartsWith(const std::string& s, const char* prefix); 227f1a5adc87760f938b01df26d906295063546b259Elliott Hughes 2287a967b3d4468ab56bf1b75ebd4d7bf9e6798761bBrian Carlstrom// Tests whether 's' starts with 'suffix'. 2297a967b3d4468ab56bf1b75ebd4d7bf9e6798761bBrian Carlstrombool EndsWith(const std::string& s, const char* suffix); 2307a967b3d4468ab56bf1b75ebd4d7bf9e6798761bBrian Carlstrom 23154e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// Used to implement PrettyClass, PrettyField, PrettyMethod, and PrettyTypeOf, 23254e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// one of which is probably more useful to you. 233a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// Returns a human-readable equivalent of 'descriptor'. So "I" would be "int", 234a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// "[[I" would be "int[][]", "[Ljava/lang/String;" would be 235a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// "java.lang.String[]", and so forth. 236ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyDescriptor(mirror::String* descriptor) 237ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 2386c8867daab4af4667e0e816f6beafa7c5d13e043Elliott Hughesstd::string PrettyDescriptor(const std::string& descriptor); 2396b4ef025af12b158d117fc80fc79acf620f411a0Brian Carlstromstd::string PrettyDescriptor(Primitive::Type type); 240ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyDescriptor(mirror::Class* klass) 241b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 24211e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 24354e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// Returns a human-readable signature for 'f'. Something like "a.b.C.f" or 24454e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// "int a.b.C.f" (depending on the value of 'with_type'). 245ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyField(mirror::ArtField* f, bool with_type = true) 246b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 2476f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstromstd::string PrettyField(uint32_t field_idx, const DexFile& dex_file, bool with_type = true); 248a2501990dd0f68baf38ce19251949d7bb3ecfe5aElliott Hughes 249a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// Returns a human-readable signature for 'm'. Something like "a.b.C.m" or 250a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// "a.b.C.m(II)V" (depending on the value of 'with_signature'). 251ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyMethod(mirror::ArtMethod* m, bool with_signature = true) 252b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 2530571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogersstd::string PrettyMethod(uint32_t method_idx, const DexFile& dex_file, bool with_signature = true); 254a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes 255a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// Returns a human-readable form of the name of the *class* of the given object. 256a0b8feb34a8492c6b8d430f6ca0716e7ff4f4c57Elliott Hughes// So given an instance of java.lang.String, the output would 25711e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes// be "java.lang.String". Given an array of int, the output would be "int[]". 25811e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes// Given String.class, the output would be "java.lang.Class<java.lang.String>". 259ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyTypeOf(mirror::Object* obj) 260b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 2614c70d77decc1217c8b1ebf8126b8d9d024c75d82Mathieu Chartier 2624c70d77decc1217c8b1ebf8126b8d9d024c75d82Mathieu Chartier// Returns a human-readable form of the type at an index in the specified dex file. 2634c70d77decc1217c8b1ebf8126b8d9d024c75d82Mathieu Chartier// Example outputs: char[], java.lang.String. 26418c24b6e05e7591069f1a2ac9c614b28fc0853acMathieu Chartierstd::string PrettyType(uint32_t type_idx, const DexFile& dex_file); 26554e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes 26654e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// Returns a human-readable form of the name of the given class. 26754e7df1896a4066cbb9fe6f72249829f0b8c49c6Elliott Hughes// Given String.class, the output would be "java.lang.Class<java.lang.String>". 268ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyClass(mirror::Class* c) 269b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 27011e45077acba2e757799a00b3be9d63fec36a7ccElliott Hughes 271d81871cbbaa34c649e488f94f61a981db33123e5Ian Rogers// Returns a human-readable form of the name of the given class with its class loader. 272ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string PrettyClassAndClassLoader(mirror::Class* c) 273b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 274d81871cbbaa34c649e488f94f61a981db33123e5Ian Rogers 275c967f78cd29b6019f7cfca40a02e9b677112da70Elliott Hughes// Returns a human-readable size string such as "1MB". 276e6da9af8dfe0a3e3fbc2be700554f6478380e7b9Mathieu Chartierstd::string PrettySize(int64_t size_in_bytes); 2773bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers 2783bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers// Returns a human-readable time string which prints every nanosecond while trying to limit the 2793bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers// number of trailing zeros. Prints using the largest human readable unit up to a second. 2803bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers// e.g. "1ms", "1.000000001s", "1.001us" 281f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartierstd::string PrettyDuration(uint64_t nano_duration, size_t max_fraction_digits = 3); 2823bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers 2830325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier// Format a nanosecond time to specified units. 284f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartierstd::string FormatDuration(uint64_t nano_duration, TimeUnit time_unit, 285f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier size_t max_fraction_digits); 2860325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier 2870325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier// Get the appropriate unit for a nanosecond duration. 2880325e6296d2370c42e7be80d846bfc7f8b28423bMathieu ChartierTimeUnit GetAppropriateTimeUnit(uint64_t nano_duration); 2890325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier 2907020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison// Get the divisor to convert from a nanoseconds to a time unit. 2910325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartieruint64_t GetNsToTimeUnitDivisor(TimeUnit time_unit); 2920325e6296d2370c42e7be80d846bfc7f8b28423bMathieu Chartier 29379082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes// Performs JNI name mangling as described in section 11.3 "Linking Native Methods" 29479082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes// of the JNI spec. 29579082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughesstd::string MangleForJni(const std::string& s); 29679082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes 297f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom// Turn "java.lang.String" into "Ljava/lang/String;". 298f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstromstd::string DotToDescriptor(const char* class_name); 299f91c8c328c922ecd522e1d3508d2603e78de8a7bBrian Carlstrom 300aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom// Turn "Ljava/lang/String;" into "java.lang.String". 301f1a5adc87760f938b01df26d906295063546b259Elliott Hughesstd::string DescriptorToDot(const char* descriptor); 302aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 30391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes// Turn "Ljava/lang/String;" into "java/lang/String". 30491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughesstd::string DescriptorToName(const char* descriptor); 30591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 306906e685ce43092812bf403016057376d0657a671Elliott Hughes// Tests for whether 's' is a valid class name in the three common forms: 307906e685ce43092812bf403016057376d0657a671Elliott Hughesbool IsValidBinaryClassName(const char* s); // "java.lang.String" 308906e685ce43092812bf403016057376d0657a671Elliott Hughesbool IsValidJniClassName(const char* s); // "java/lang/String" 309906e685ce43092812bf403016057376d0657a671Elliott Hughesbool IsValidDescriptor(const char* s); // "Ljava/lang/String;" 31064bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes 31110037c866b04550fc5461058c398c2e3e509381ajeffhao// Returns whether the given string is a valid field or method name, 31210037c866b04550fc5461058c398c2e3e509381ajeffhao// additionally allowing names that begin with '<' and end with '>'. 31310037c866b04550fc5461058c398c2e3e509381ajeffhaobool IsValidMemberName(const char* s); 31410037c866b04550fc5461058c398c2e3e509381ajeffhao 31579082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes// Returns the JNI native function name for the non-overloaded method 'm'. 316ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string JniShortName(mirror::ArtMethod* m) 317b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 31879082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes// Returns the JNI native function name for the overloaded method 'm'. 319ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstd::string JniLongName(mirror::ArtMethod* m) 320b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 32179082e367845bbd68ec44ef2ddd1be8ef0e1550fElliott Hughes 322d92bec457dc6c506c80e9da6b8e0c958266b5cdcElliott Hughesbool ReadFileToString(const std::string& file_name, std::string* result); 323c143c55718342519db5398e41dda31422cf16c79buzbee 324e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes// Returns the current date in ISO yyyy-mm-dd hh:mm:ss format. 325e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughesstd::string GetIsoDate(); 326e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes 3270512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes// Returns the monotonic time since some unspecified starting point in milliseconds. 3287162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesuint64_t MilliTime(); 3297162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 3300512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes// Returns the monotonic time since some unspecified starting point in microseconds. 331a9ef3fd82bebc6370fc3ddbb094988feb6c83022jeffhaouint64_t MicroTime(); 332a9ef3fd82bebc6370fc3ddbb094988feb6c83022jeffhao 3330512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes// Returns the monotonic time since some unspecified starting point in nanoseconds. 33483df2ac4a051ee10eafde7587de2faf3f0150fadElliott Hughesuint64_t NanoTime(); 33583df2ac4a051ee10eafde7587de2faf3f0150fadElliott Hughes 3360512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes// Returns the thread-specific CPU-time clock in nanoseconds or -1 if unavailable. 3370512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesuint64_t ThreadCpuNanoTime(); 3380512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes 339bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes// Converts the given number of nanoseconds to milliseconds. 340720ef7680573c1afd12f99f02eee3045daee5168Mathieu Chartierstatic constexpr inline uint64_t NsToMs(uint64_t ns) { 3413bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers return ns / 1000 / 1000; 3423bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers} 3433bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers 3443bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers// Converts the given number of milliseconds to nanoseconds 345720ef7680573c1afd12f99f02eee3045daee5168Mathieu Chartierstatic constexpr inline uint64_t MsToNs(uint64_t ns) { 3463bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers return ns * 1000 * 1000; 3473bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers} 3483bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers 349bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom#if defined(__APPLE__) 350bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom// No clocks to specify on OS/X, fake value to pass to routines that require a clock. 351bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom#define CLOCK_REALTIME 0xebadf00d 352bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom#endif 353bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom 35456edc432fa914f7ccfa87ce443e64f5ef475666dIan Rogers// Sleep for the given number of nanoseconds, a bad way to handle contention. 35556edc432fa914f7ccfa87ce443e64f5ef475666dIan Rogersvoid NanoSleep(uint64_t ns); 35656edc432fa914f7ccfa87ce443e64f5ef475666dIan Rogers 357bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom// Initialize a timespec to either an absolute or relative time. 358bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstromvoid InitTimeSpec(bool absolute, int clock, int64_t ms, int32_t ns, timespec* ts); 359bcc2926b9721f94c17ed98fae5264cc98f0e066fBrian Carlstrom 36048436bbff87aae61bba20029b4382fa41ce787feElliott Hughes// Splits a string using the given separator character into a vector of 36134023801bd544e613d6e85c9a5b2e743f3710e8fElliott Hughes// strings. Empty strings will be omitted. 36248436bbff87aae61bba20029b4382fa41ce787feElliott Hughesvoid Split(const std::string& s, char separator, std::vector<std::string>& result); 36348436bbff87aae61bba20029b4382fa41ce787feElliott Hughes 3647020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison// Trims whitespace off both ends of the given string. 3657020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allisonstd::string Trim(std::string s); 3667020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison 36748436bbff87aae61bba20029b4382fa41ce787feElliott Hughes// Joins a vector of strings into a single string, using the given separator. 36848436bbff87aae61bba20029b4382fa41ce787feElliott Hughestemplate <typename StringT> std::string Join(std::vector<StringT>& strings, char separator); 36934023801bd544e613d6e85c9a5b2e743f3710e8fElliott Hughes 37042ee14279065352a4b9a3e8028d02c567e847d05Elliott Hughes// Returns the calling thread's tid. (The C libraries don't expose this.) 37142ee14279065352a4b9a3e8028d02c567e847d05Elliott Hughespid_t GetTid(); 37242ee14279065352a4b9a3e8028d02c567e847d05Elliott Hughes 373289be85116aaf7c48413858b5d0448868b4e61f3Elliott Hughes// Returns the given thread's name. 374289be85116aaf7c48413858b5d0448868b4e61f3Elliott Hughesstd::string GetThreadName(pid_t tid); 375289be85116aaf7c48413858b5d0448868b4e61f3Elliott Hughes 376120f1c74a9768e958377b6c97897511b27ae58c8Ian Rogers// Returns details of the given thread's stack. 3772921201dce37ba40c55b89c0deca3c34bf64168eBrian Carlstromvoid GetThreadStack(pthread_t thread, void** stack_base, size_t* stack_size); 378e188419b971936086a188843378375f5ced13724Elliott Hughes 379bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes// Reads data from "/proc/self/task/${tid}/stat". 3802921201dce37ba40c55b89c0deca3c34bf64168eBrian Carlstromvoid GetTaskStats(pid_t tid, char* state, int* utime, int* stime, int* task_cpu); 381bfe487be25652c5456236661b9d9c3579d2296c1Elliott Hughes 3821bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes// Returns the name of the scheduler group for the given thread the current process, or the empty string. 3831bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughesstd::string GetSchedulerGroupName(pid_t tid); 3841bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes 385dcc247493fd8fb243e335c3ec08e5e625896a47cElliott Hughes// Sets the name of the current thread. The name may be truncated to an 386dcc247493fd8fb243e335c3ec08e5e625896a47cElliott Hughes// implementation-defined limit. 38722869a9026a08b544eca4cefd67386d347e30d2cElliott Hughesvoid SetThreadName(const char* thread_name); 388dcc247493fd8fb243e335c3ec08e5e625896a47cElliott Hughes 38946e251bf7200cc06f5a9a82ee2030e650f5e1443Elliott Hughes// Dumps the native stack for thread 'tid' to 'os'. 390067d20fd2fddd947ce3a014d023e9de249082ebeKenny Rootvoid DumpNativeStack(std::ostream& os, pid_t tid, const char* prefix = "", 391a2cee18799d7e61adb037a4219adb23fef7d022bChristopher Ferris mirror::ArtMethod* current_method = nullptr) 392067d20fd2fddd947ce3a014d023e9de249082ebeKenny Root NO_THREAD_SAFETY_ANALYSIS; 39346e251bf7200cc06f5a9a82ee2030e650f5e1443Elliott Hughes 39446e251bf7200cc06f5a9a82ee2030e650f5e1443Elliott Hughes// Dumps the kernel stack for thread 'tid' to 'os'. Note that this is only available on linux-x86. 39546e251bf7200cc06f5a9a82ee2030e650f5e1443Elliott Hughesvoid DumpKernelStack(std::ostream& os, pid_t tid, const char* prefix = "", bool include_count = true); 39646e251bf7200cc06f5a9a82ee2030e650f5e1443Elliott Hughes 3977020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison// Find $ANDROID_ROOT, /system, or abort. 398a56fcd60596ae8694da21fccde5c56832e437c56Brian Carlstromconst char* GetAndroidRoot(); 399a56fcd60596ae8694da21fccde5c56832e437c56Brian Carlstrom 4007020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison// Find $ANDROID_DATA, /data, or abort. 401a56fcd60596ae8694da21fccde5c56832e437c56Brian Carlstromconst char* GetAndroidData(); 402a56fcd60596ae8694da21fccde5c56832e437c56Brian Carlstrom 40311d9f06a96a6909905c248ed684366190140095cNarayan Kamath// Returns the dalvik-cache location, or dies trying. subdir will be 40411d9f06a96a6909905c248ed684366190140095cNarayan Kamath// appended to the cache location. 40511d9f06a96a6909905c248ed684366190140095cNarayan Kamathstd::string GetDalvikCacheOrDie(const char* subdir, bool create_if_absent = true); 40611d9f06a96a6909905c248ed684366190140095cNarayan Kamath 40711d9f06a96a6909905c248ed684366190140095cNarayan Kamath// Returns the absolute dalvik-cache path for a DexFile or OatFile, or 40811d9f06a96a6909905c248ed684366190140095cNarayan Kamath// dies trying. The path returned will be rooted at cache_location. 40911d9f06a96a6909905c248ed684366190140095cNarayan Kamathstd::string GetDalvikCacheFilenameOrDie(const char* file_location, 41011d9f06a96a6909905c248ed684366190140095cNarayan Kamath const char* cache_location); 411262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao 4120e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom// Returns the system location for an image 4132afe49450f2e018f18b5de45428b9174bfd6f196Brian Carlstromstd::string GetSystemImageFilename(const char* location, InstructionSet isa); 4140e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom 4150e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom// Returns an .odex file name next adjacent to the dex location. 4160e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom// For example, for "/foo/bar/baz.jar", return "/foo/bar/<isa>/baz.odex". 417833a48501d560c9fa7fc78ef619888138c2d374fAndreas Gampe// Note: does not support multidex location strings. 4182afe49450f2e018f18b5de45428b9174bfd6f196Brian Carlstromstd::string DexFilenameToOdexFilename(const std::string& location, InstructionSet isa); 4190e12bdc49744eb6d5c29b9611a8dbe10bac4cd53Brian Carlstrom 4207c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrom// Check whether the given magic matches a known file type. 4217c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrombool IsZipMagic(uint32_t magic); 4227c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrombool IsDexMagic(uint32_t magic); 4237c3d13aebdd8611cae58a1048bffb13cbdc465cbBrian Carlstrombool IsOatMagic(uint32_t magic); 424b7bbba49d88eae58223d9878da4069bf6d7140bfBrian Carlstrom 4256449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom// Wrapper on fork/execv to run a command in a subprocess. 4266449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrombool Exec(std::vector<std::string>& arg_vector, std::string* error_msg); 4276449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom 428d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartierclass VoidFunctor { 429357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier public: 430d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier template <typename A> 431df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom inline void operator() (A a) const { 432d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(a); 433d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier } 434d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier 435d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier template <typename A, typename B> 436df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom inline void operator() (A a, B b) const { 437d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(a); 438d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(b); 439d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier } 440d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier 441d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier template <typename A, typename B, typename C> 442df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom inline void operator() (A a, B b, C c) const { 443d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(a); 444d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(b); 445d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier UNUSED(c); 446d22d54849c96760aa1efa259d6dcfbace54da2afMathieu Chartier } 447357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier}; 448357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier 4496b6b5f0e67ce03f38223a525612955663bc1799bCarl Shapiro} // namespace art 450a5d5cfda6239d8876937e75eba43222f639d2447Carl Shapiro 451fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_UTILS_H_ 452