Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | */ |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 16 | |
| 17 | #include "oat_file.h" |
| 18 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 19 | #include <dlfcn.h> |
| 20 | |
Elliott Hughes | 1aa246d | 2012-12-13 09:29:36 -0800 | [diff] [blame] | 21 | #include "base/stl_util.h" |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 22 | #include "base/unix_file/fd_file.h" |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 23 | #include "elf_file.h" |
| 24 | #include "oat.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 25 | #include "mirror/class.h" |
| 26 | #include "mirror/abstract_method.h" |
| 27 | #include "mirror/abstract_method-inl.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 28 | #include "mirror/object-inl.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 29 | #include "os.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 30 | #include "utils.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 31 | |
| 32 | namespace art { |
| 33 | |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 34 | std::string OatFile::DexFilenameToOdexFilename(const std::string& location) { |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 35 | CHECK(IsValidDexFilename(location) || IsValidZipFilename(location)); |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 36 | std::string odex_location(location); |
| 37 | odex_location.resize(odex_location.size() - 3); // 3=dex or zip or apk |
| 38 | CHECK_EQ('.', odex_location[odex_location.size()-1]); |
| 39 | odex_location += "odex"; |
| 40 | return odex_location; |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 41 | } |
| 42 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 43 | void OatFile::CheckLocation(const std::string& location) { |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 44 | CHECK(!location.empty()); |
| 45 | if (!IsValidOatFilename(location)) { |
Brian Carlstrom | f852fb2 | 2012-10-19 11:01:58 -0700 | [diff] [blame] | 46 | LOG(WARNING) << "Attempting to open oat file with unknown extension '" << location << "'"; |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 47 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 48 | } |
| 49 | |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 50 | OatFile* OatFile::OpenMemory(std::vector<uint8_t>& oat_contents, |
| 51 | const std::string& location) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 52 | CHECK(!oat_contents.empty()) << location; |
| 53 | CheckLocation(location); |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 54 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 55 | oat_file->begin_ = &oat_contents[0]; |
| 56 | oat_file->end_ = &oat_contents[oat_contents.size()]; |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 57 | return oat_file->Setup() ? oat_file.release() : NULL; |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | OatFile* OatFile::Open(const std::string& filename, |
| 61 | const std::string& location, |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 62 | byte* requested_base, |
| 63 | bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 64 | CHECK(!filename.empty()) << location; |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 65 | CheckLocation(filename); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 66 | // If we are trying to execute, we need to use dlopen. |
| 67 | if (executable) { |
| 68 | return OpenDlopen(filename, location, requested_base); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 69 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 70 | // If we aren't trying to execute, we just use our own ElfFile loader for a couple reasons: |
| 71 | // |
| 72 | // On target, dlopen may fail when compiling due to selinux restrictions on installd. |
| 73 | // |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 74 | // On host, dlopen is expected to fail when cross compiling, so fall back to OpenElfFile. |
| 75 | // This won't work for portable runtime execution because it doesn't process relocations. |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 76 | UniquePtr<File> file(OS::OpenFile(filename.c_str(), false, false)); |
| 77 | if (file.get() == NULL) { |
| 78 | return NULL; |
| 79 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 80 | return OpenElfFile(file.get(), location, requested_base, false, executable); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 81 | } |
| 82 | |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 83 | OatFile* OatFile::OpenWritable(File* file, const std::string& location) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 84 | CheckLocation(location); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 85 | return OpenElfFile(file, location, NULL, true, false); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | OatFile* OatFile::OpenDlopen(const std::string& elf_filename, |
| 89 | const std::string& location, |
| 90 | byte* requested_base) { |
| 91 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
| 92 | bool success = oat_file->Dlopen(elf_filename, requested_base); |
| 93 | if (!success) { |
| 94 | return NULL; |
| 95 | } |
| 96 | return oat_file.release(); |
| 97 | } |
| 98 | |
| 99 | OatFile* OatFile::OpenElfFile(File* file, |
| 100 | const std::string& location, |
| 101 | byte* requested_base, |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 102 | bool writable, |
| 103 | bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 104 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 105 | bool success = oat_file->ElfFileOpen(file, requested_base, writable, executable); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 106 | if (!success) { |
| 107 | return NULL; |
| 108 | } |
| 109 | return oat_file.release(); |
| 110 | } |
| 111 | |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 112 | OatFile::OatFile(const std::string& location) |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 113 | : location_(location), begin_(NULL), end_(NULL), dlopen_handle_(NULL) { |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 114 | CHECK(!location_.empty()); |
| 115 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 116 | |
| 117 | OatFile::~OatFile() { |
| 118 | STLDeleteValues(&oat_dex_files_); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 119 | if (dlopen_handle_ != NULL) { |
| 120 | dlclose(dlopen_handle_); |
| 121 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 124 | bool OatFile::Dlopen(const std::string& elf_filename, byte* requested_base) { |
| 125 | |
| 126 | char* absolute_path = realpath(elf_filename.c_str(), NULL); |
| 127 | if (absolute_path == NULL) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 128 | return false; |
| 129 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 130 | dlopen_handle_ = dlopen(absolute_path, RTLD_NOW); |
| 131 | free(absolute_path); |
| 132 | if (dlopen_handle_ == NULL) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 133 | return false; |
| 134 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 135 | begin_ = reinterpret_cast<byte*>(dlsym(dlopen_handle_, "oatdata")); |
| 136 | if (begin_ == NULL) { |
| 137 | LOG(WARNING) << "Failed to find oatdata symbol in " << elf_filename << ": " << dlerror(); |
| 138 | return false; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 139 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 140 | if (requested_base != NULL && begin_ != requested_base) { |
| 141 | std::string maps; |
| 142 | ReadFileToString("/proc/self/maps", &maps); |
| 143 | LOG(WARNING) << "Failed to find oatdata symbol at expected address: oatdata=" |
| 144 | << reinterpret_cast<const void*>(begin_) << " != expected=" |
| 145 | << reinterpret_cast<const void*>(requested_base) |
| 146 | << " /proc/self/maps:\n" << maps; |
| 147 | return false; |
| 148 | } |
| 149 | end_ = reinterpret_cast<byte*>(dlsym(dlopen_handle_, "oatlastword")); |
| 150 | if (end_ == NULL) { |
| 151 | LOG(WARNING) << "Failed to find oatlastword symbol in " << elf_filename << ": " << dlerror(); |
| 152 | return false; |
| 153 | } |
| 154 | // Readjust to be non-inclusive upper bound. |
| 155 | end_ += sizeof(uint32_t); |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 156 | return Setup(); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 157 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 158 | |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 159 | bool OatFile::ElfFileOpen(File* file, byte* requested_base, bool writable, bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 160 | elf_file_.reset(ElfFile::Open(file, writable, true)); |
| 161 | if (elf_file_.get() == NULL) { |
| 162 | PLOG(WARNING) << "Failed to create ELF file for " << file->GetPath(); |
| 163 | return false; |
| 164 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame^] | 165 | bool loaded = elf_file_->Load(executable); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 166 | if (!loaded) { |
| 167 | LOG(WARNING) << "Failed to load ELF file " << file->GetPath(); |
| 168 | return false; |
| 169 | } |
| 170 | begin_ = elf_file_->FindDynamicSymbolAddress("oatdata"); |
| 171 | if (begin_ == NULL) { |
| 172 | LOG(WARNING) << "Failed to find oatdata symbol in " << file->GetPath(); |
| 173 | return false; |
| 174 | } |
| 175 | if (requested_base != NULL && begin_ != requested_base) { |
| 176 | std::string maps; |
| 177 | ReadFileToString("/proc/self/maps", &maps); |
| 178 | LOG(WARNING) << "Failed to find oatdata symbol at expected address: oatdata=" |
| 179 | << reinterpret_cast<const void*>(begin_) << " != expected=" |
| 180 | << reinterpret_cast<const void*>(requested_base) |
| 181 | << " /proc/self/maps:\n" << maps; |
| 182 | return false; |
| 183 | } |
| 184 | end_ = elf_file_->FindDynamicSymbolAddress("oatlastword"); |
| 185 | if (end_ == NULL) { |
| 186 | LOG(WARNING) << "Failed to find oatlastword symbol in " << file->GetPath(); |
| 187 | return false; |
| 188 | } |
| 189 | // Readjust to be non-inclusive upper bound. |
| 190 | end_ += sizeof(uint32_t); |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 191 | return Setup(); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 192 | } |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 193 | |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 194 | bool OatFile::Setup() { |
| 195 | if (!GetOatHeader().IsValid()) { |
| 196 | LOG(WARNING) << "Invalid oat magic for " << GetLocation(); |
| 197 | return false; |
| 198 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 199 | const byte* oat = Begin(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 200 | oat += sizeof(OatHeader); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 201 | oat += GetOatHeader().GetImageFileLocationSize(); |
Brian Carlstrom | 81f3ca1 | 2012-03-17 00:27:35 -0700 | [diff] [blame] | 202 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 203 | CHECK_LE(oat, End()) |
| 204 | << reinterpret_cast<const void*>(Begin()) |
Brian Carlstrom | 81f3ca1 | 2012-03-17 00:27:35 -0700 | [diff] [blame] | 205 | << "+" << sizeof(OatHeader) |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 206 | << "+" << GetOatHeader().GetImageFileLocationSize() |
| 207 | << "<=" << reinterpret_cast<const void*>(End()) |
| 208 | << " " << GetLocation(); |
| 209 | for (size_t i = 0; i < GetOatHeader().GetDexFileCount(); i++) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 210 | size_t dex_file_location_size = *reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 211 | CHECK_GT(dex_file_location_size, 0U) << GetLocation(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 212 | oat += sizeof(dex_file_location_size); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 213 | CHECK_LT(oat, End()) << GetLocation(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 214 | |
| 215 | const char* dex_file_location_data = reinterpret_cast<const char*>(oat); |
| 216 | oat += dex_file_location_size; |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 217 | CHECK_LT(oat, End()) << GetLocation(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 218 | |
| 219 | std::string dex_file_location(dex_file_location_data, dex_file_location_size); |
| 220 | |
| 221 | uint32_t dex_file_checksum = *reinterpret_cast<const uint32_t*>(oat); |
| 222 | oat += sizeof(dex_file_checksum); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 223 | CHECK_LT(oat, End()) << GetLocation(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 224 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 225 | uint32_t dex_file_offset = *reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 226 | CHECK_GT(dex_file_offset, 0U) << GetLocation(); |
| 227 | CHECK_LT(dex_file_offset, Size()) << GetLocation(); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 228 | oat += sizeof(dex_file_offset); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 229 | CHECK_LT(oat, End()) << GetLocation(); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 230 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 231 | const uint8_t* dex_file_pointer = Begin() + dex_file_offset; |
Brian Carlstrom | f852fb2 | 2012-10-19 11:01:58 -0700 | [diff] [blame] | 232 | CHECK(DexFile::IsMagicValid(dex_file_pointer)) |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 233 | << GetLocation() << " " << dex_file_pointer; |
Brian Carlstrom | f852fb2 | 2012-10-19 11:01:58 -0700 | [diff] [blame] | 234 | CHECK(DexFile::IsVersionValid(dex_file_pointer)) |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 235 | << GetLocation() << " " << dex_file_pointer; |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 236 | const DexFile::Header* header = reinterpret_cast<const DexFile::Header*>(dex_file_pointer); |
| 237 | const uint32_t* methods_offsets_pointer = reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 238 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 239 | oat += (sizeof(*methods_offsets_pointer) * header->class_defs_size_); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 240 | CHECK_LE(oat, End()) << GetLocation(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 241 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 242 | oat_dex_files_.Put(dex_file_location, new OatDexFile(this, |
| 243 | dex_file_location, |
| 244 | dex_file_checksum, |
| 245 | dex_file_pointer, |
| 246 | methods_offsets_pointer)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 247 | } |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 248 | return true; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | const OatHeader& OatFile::GetOatHeader() const { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 252 | return *reinterpret_cast<const OatHeader*>(Begin()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 253 | } |
| 254 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 255 | const byte* OatFile::Begin() const { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 256 | CHECK(begin_ != NULL); |
| 257 | return begin_; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 258 | } |
| 259 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 260 | const byte* OatFile::End() const { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 261 | CHECK(end_ != NULL); |
| 262 | return end_; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 263 | } |
| 264 | |
Ian Rogers | 7fe2c69 | 2011-12-06 16:35:59 -0800 | [diff] [blame] | 265 | const OatFile::OatDexFile* OatFile::GetOatDexFile(const std::string& dex_file_location, |
| 266 | bool warn_if_not_found) const { |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 267 | Table::const_iterator it = oat_dex_files_.find(dex_file_location); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 268 | if (it == oat_dex_files_.end()) { |
Ian Rogers | 7fe2c69 | 2011-12-06 16:35:59 -0800 | [diff] [blame] | 269 | if (warn_if_not_found) { |
| 270 | LOG(WARNING) << "Failed to find OatDexFile for DexFile " << dex_file_location; |
| 271 | } |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 272 | return NULL; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 273 | } |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 274 | return it->second; |
| 275 | } |
| 276 | |
| 277 | std::vector<const OatFile::OatDexFile*> OatFile::GetOatDexFiles() const { |
| 278 | std::vector<const OatFile::OatDexFile*> result; |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 279 | for (Table::const_iterator it = oat_dex_files_.begin(); it != oat_dex_files_.end(); ++it) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 280 | result.push_back(it->second); |
| 281 | } |
| 282 | return result; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | OatFile::OatDexFile::OatDexFile(const OatFile* oat_file, |
Elliott Hughes | aa6a588 | 2012-01-13 19:39:16 -0800 | [diff] [blame] | 286 | const std::string& dex_file_location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 287 | uint32_t dex_file_location_checksum, |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 288 | const byte* dex_file_pointer, |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 289 | const uint32_t* oat_class_offsets_pointer) |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 290 | : oat_file_(oat_file), |
| 291 | dex_file_location_(dex_file_location), |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 292 | dex_file_location_checksum_(dex_file_location_checksum), |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 293 | dex_file_pointer_(dex_file_pointer), |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 294 | oat_class_offsets_pointer_(oat_class_offsets_pointer) {} |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 295 | |
| 296 | OatFile::OatDexFile::~OatDexFile() {} |
| 297 | |
Ian Rogers | 05f28c6 | 2012-10-23 18:12:13 -0700 | [diff] [blame] | 298 | size_t OatFile::OatDexFile::FileSize() const { |
| 299 | return reinterpret_cast<const DexFile::Header*>(dex_file_pointer_)->file_size_; |
| 300 | } |
| 301 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 302 | const DexFile* OatFile::OatDexFile::OpenDexFile() const { |
Ian Rogers | 05f28c6 | 2012-10-23 18:12:13 -0700 | [diff] [blame] | 303 | return DexFile::Open(dex_file_pointer_, FileSize(), dex_file_location_, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 304 | dex_file_location_checksum_); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 305 | } |
| 306 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 307 | const OatFile::OatClass* OatFile::OatDexFile::GetOatClass(uint32_t class_def_index) const { |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 308 | uint32_t oat_class_offset = oat_class_offsets_pointer_[class_def_index]; |
| 309 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 310 | const byte* oat_class_pointer = oat_file_->Begin() + oat_class_offset; |
| 311 | CHECK_LT(oat_class_pointer, oat_file_->End()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 312 | mirror::Class::Status status = *reinterpret_cast<const mirror::Class::Status*>(oat_class_pointer); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 313 | |
| 314 | const byte* methods_pointer = oat_class_pointer + sizeof(status); |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 315 | CHECK_LT(methods_pointer, oat_file_->End()); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 316 | |
| 317 | return new OatClass(oat_file_, |
| 318 | status, |
| 319 | reinterpret_cast<const OatMethodOffsets*>(methods_pointer)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 320 | } |
| 321 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 322 | OatFile::OatClass::OatClass(const OatFile* oat_file, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 323 | mirror::Class::Status status, |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 324 | const OatMethodOffsets* methods_pointer) |
| 325 | : oat_file_(oat_file), status_(status), methods_pointer_(methods_pointer) {} |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 326 | |
| 327 | OatFile::OatClass::~OatClass() {} |
| 328 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 329 | mirror::Class::Status OatFile::OatClass::GetStatus() const { |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 330 | return status_; |
| 331 | } |
| 332 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 333 | const OatFile::OatMethod OatFile::OatClass::GetOatMethod(uint32_t method_index) const { |
| 334 | const OatMethodOffsets& oat_method_offsets = methods_pointer_[method_index]; |
| 335 | return OatMethod( |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 336 | oat_file_->Begin(), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 337 | oat_method_offsets.code_offset_, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 338 | oat_method_offsets.frame_size_in_bytes_, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 339 | oat_method_offsets.core_spill_mask_, |
| 340 | oat_method_offsets.fp_spill_mask_, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 341 | oat_method_offsets.mapping_table_offset_, |
| 342 | oat_method_offsets.vmap_table_offset_, |
Brian Carlstrom | 6a47b9d | 2013-05-17 10:58:25 -0700 | [diff] [blame] | 343 | oat_method_offsets.gc_map_offset_); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 344 | } |
| 345 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 346 | OatFile::OatMethod::OatMethod(const byte* base, |
| 347 | const uint32_t code_offset, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 348 | const size_t frame_size_in_bytes, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 349 | const uint32_t core_spill_mask, |
| 350 | const uint32_t fp_spill_mask, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 351 | const uint32_t mapping_table_offset, |
| 352 | const uint32_t vmap_table_offset, |
Brian Carlstrom | 6a47b9d | 2013-05-17 10:58:25 -0700 | [diff] [blame] | 353 | const uint32_t gc_map_offset) |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 354 | : begin_(base), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 355 | code_offset_(code_offset), |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 356 | frame_size_in_bytes_(frame_size_in_bytes), |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 357 | core_spill_mask_(core_spill_mask), |
| 358 | fp_spill_mask_(fp_spill_mask), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 359 | mapping_table_offset_(mapping_table_offset), |
| 360 | vmap_table_offset_(vmap_table_offset), |
Jeff Hao | 74180ca | 2013-03-27 15:29:11 -0700 | [diff] [blame] | 361 | native_gc_map_offset_(gc_map_offset) |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 362 | { |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 363 | #ifndef NDEBUG |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 364 | if (mapping_table_offset_ != 0) { // implies non-native, non-stub code |
| 365 | if (vmap_table_offset_ == 0) { |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 366 | DCHECK_EQ(0U, static_cast<uint32_t>(__builtin_popcount(core_spill_mask_) + __builtin_popcount(fp_spill_mask_))); |
| 367 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 368 | const uint16_t* vmap_table_ = reinterpret_cast<const uint16_t*>(begin_ + vmap_table_offset_); |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 369 | DCHECK_EQ(vmap_table_[0], static_cast<uint32_t>(__builtin_popcount(core_spill_mask_) + __builtin_popcount(fp_spill_mask_))); |
| 370 | } |
| 371 | } else { |
Elliott Hughes | ba8eee1 | 2012-01-24 20:25:24 -0800 | [diff] [blame] | 372 | DCHECK_EQ(vmap_table_offset_, 0U); |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 373 | } |
| 374 | #endif |
| 375 | } |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 376 | |
| 377 | OatFile::OatMethod::~OatMethod() {} |
| 378 | |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 379 | const void* OatFile::OatMethod::GetCode() const { |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 380 | return GetOatPointer<const void*>(code_offset_); |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | uint32_t OatFile::OatMethod::GetCodeSize() const { |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 384 | #if defined(ART_USE_PORTABLE_COMPILER) |
| 385 | // TODO: With Quick, we store the size before the code. With |
| 386 | // Portable, the code is in a .o file we don't manage ourselves. ELF |
| 387 | // symbols do have a concept of size, so we could capture that and |
| 388 | // store it somewhere, such as the OatMethod. |
| 389 | return 0; |
| 390 | #else |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 391 | uintptr_t code = reinterpret_cast<uint32_t>(GetCode()); |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 392 | |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 393 | if (code == 0) { |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 394 | return 0; |
| 395 | } |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 396 | // TODO: make this Thumb2 specific |
| 397 | code &= ~0x1; |
| 398 | return reinterpret_cast<uint32_t*>(code)[-1]; |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 399 | #endif |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 400 | } |
| 401 | |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 402 | void OatFile::OatMethod::LinkMethod(mirror::AbstractMethod* method) const { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 403 | CHECK(method != NULL); |
Jeff Hao | aa4a793 | 2013-05-13 11:28:27 -0700 | [diff] [blame] | 404 | method->SetEntryPointFromCompiledCode(GetCode()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 405 | method->SetFrameSizeInBytes(frame_size_in_bytes_); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 406 | method->SetCoreSpillMask(core_spill_mask_); |
| 407 | method->SetFpSpillMask(fp_spill_mask_); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 408 | method->SetMappingTable(GetMappingTable()); |
| 409 | method->SetVmapTable(GetVmapTable()); |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 410 | method->SetNativeGcMap(GetNativeGcMap()); // Note, used by native methods in work around JNI mode. |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 411 | } |
| 412 | |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 413 | } // namespace art |