diff options
| -rw-r--r-- | cmds/installd/otapreopt.cpp | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp index 818fd8066e..27ae8f6e6f 100644 --- a/cmds/installd/otapreopt.cpp +++ b/cmds/installd/otapreopt.cpp @@ -560,61 +560,6 @@ private: return Dexopt(); } - //////////////////////////////////// - // Helpers, mostly taken from ART // - //////////////////////////////////// - - // Choose a random relocation offset. Taken from art/runtime/gc/image_space.cc. - static int32_t ChooseRelocationOffsetDelta(int32_t min_delta, int32_t max_delta) { - constexpr size_t kPageSize = PAGE_SIZE; - static_assert(IsPowerOfTwo(kPageSize), "page size must be power of two"); - CHECK_EQ(min_delta % kPageSize, 0u); - CHECK_EQ(max_delta % kPageSize, 0u); - CHECK_LT(min_delta, max_delta); - - std::default_random_engine generator; - generator.seed(GetSeed()); - std::uniform_int_distribution<int32_t> distribution(min_delta, max_delta); - int32_t r = distribution(generator); - if (r % 2 == 0) { - r = RoundUp(r, kPageSize); - } else { - r = RoundDown(r, kPageSize); - } - CHECK_LE(min_delta, r); - CHECK_GE(max_delta, r); - CHECK_EQ(r % kPageSize, 0u); - return r; - } - - static uint64_t GetSeed() { -#ifdef __BIONIC__ - // Bionic exposes arc4random, use it. - uint64_t random_data; - arc4random_buf(&random_data, sizeof(random_data)); - return random_data; -#else -#error "This is only supposed to run with bionic. Otherwise, implement..." -#endif - } - - void AddCompilerOptionFromSystemProperty(const char* system_property, - const char* prefix, - bool runtime, - std::vector<std::string>& out) const { - const std::string* value = system_properties_.GetProperty(system_property); - if (value != nullptr) { - if (runtime) { - out.push_back("--runtime-arg"); - } - if (prefix != nullptr) { - out.push_back(StringPrintf("%s%s", prefix, value->c_str())); - } else { - out.push_back(*value); - } - } - } - static constexpr const char* kBootClassPathPropertyName = "BOOTCLASSPATH"; static constexpr const char* kAndroidRootPathPropertyName = "ANDROID_ROOT"; static constexpr const char* kAndroidDataPathPropertyName = "ANDROID_DATA"; |