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Elliott Hughes2faa5f12012-01-30 14:42:07 -08001/*
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 Carlstrome24fa612011-09-29 00:53:55 -070016
17#include "oat_writer.h"
18
Elliott Hughesa0e18062012-04-13 15:59:59 -070019#include <zlib.h>
20
Brian Carlstrome24fa612011-09-29 00:53:55 -070021#include "class_linker.h"
22#include "class_loader.h"
23#include "file.h"
24#include "os.h"
Elliott Hughesa0e18062012-04-13 15:59:59 -070025#include "safe_map.h"
Ian Rogers00f7d0e2012-07-19 15:28:27 -070026#include "scoped_thread_state_change.h"
Mathieu Chartier7469ebf2012-09-24 16:28:36 -070027#include "gc/space.h"
Brian Carlstrome24fa612011-09-29 00:53:55 -070028#include "stl_util.h"
jeffhaoec014232012-09-05 10:42:25 -070029#include "verifier/method_verifier.h"
Brian Carlstrome24fa612011-09-29 00:53:55 -070030
31namespace art {
32
Elliott Hughes234da572011-11-03 22:13:06 -070033bool OatWriter::Create(File* file,
Ian Rogers00f7d0e2012-07-19 15:28:27 -070034 jobject class_loader,
jeffhao10037c82012-01-23 15:06:23 -080035 const std::vector<const DexFile*>& dex_files,
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070036 uint32_t image_file_location_checksum,
37 const std::string& image_file_location,
Brian Carlstrom3320cf42011-10-04 14:58:28 -070038 const Compiler& compiler) {
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070039 OatWriter oat_writer(dex_files,
40 image_file_location_checksum,
41 image_file_location,
42 class_loader,
43 compiler);
Elliott Hughes234da572011-11-03 22:13:06 -070044 return oat_writer.Write(file);
Brian Carlstrome24fa612011-09-29 00:53:55 -070045}
46
Brian Carlstrom3320cf42011-10-04 14:58:28 -070047OatWriter::OatWriter(const std::vector<const DexFile*>& dex_files,
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070048 uint32_t image_file_location_checksum,
49 const std::string& image_file_location,
Ian Rogers00f7d0e2012-07-19 15:28:27 -070050 jobject class_loader,
Brian Carlstrom3320cf42011-10-04 14:58:28 -070051 const Compiler& compiler) {
52 compiler_ = &compiler;
Brian Carlstrome24fa612011-09-29 00:53:55 -070053 class_loader_ = class_loader;
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070054 image_file_location_checksum_ = image_file_location_checksum;
55 image_file_location_ = image_file_location;
Brian Carlstrome24fa612011-09-29 00:53:55 -070056 dex_files_ = &dex_files;
Ian Rogers0571d352011-11-03 19:51:38 -070057 oat_header_ = NULL;
58 executable_offset_padding_length_ = 0;
Brian Carlstrome24fa612011-09-29 00:53:55 -070059
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070060 size_t offset = InitOatHeader();
Brian Carlstrome24fa612011-09-29 00:53:55 -070061 offset = InitOatDexFiles(offset);
Brian Carlstrom89521892011-12-07 22:05:07 -080062 offset = InitDexFiles(offset);
Brian Carlstrom389efb02012-01-11 12:06:26 -080063 offset = InitOatClasses(offset);
Brian Carlstrome24fa612011-09-29 00:53:55 -070064 offset = InitOatCode(offset);
65 offset = InitOatCodeDexFiles(offset);
66
67 CHECK_EQ(dex_files_->size(), oat_dex_files_.size());
Brian Carlstrome24fa612011-09-29 00:53:55 -070068}
69
Ian Rogers0571d352011-11-03 19:51:38 -070070OatWriter::~OatWriter() {
71 delete oat_header_;
72 STLDeleteElements(&oat_dex_files_);
Brian Carlstrom389efb02012-01-11 12:06:26 -080073 STLDeleteElements(&oat_classes_);
Ian Rogers0571d352011-11-03 19:51:38 -070074}
75
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070076size_t OatWriter::InitOatHeader() {
Brian Carlstrome24fa612011-09-29 00:53:55 -070077 // create the OatHeader
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070078 oat_header_ = new OatHeader(compiler_->GetInstructionSet(),
79 dex_files_,
80 image_file_location_checksum_,
81 image_file_location_);
Brian Carlstrome24fa612011-09-29 00:53:55 -070082 size_t offset = sizeof(*oat_header_);
Brian Carlstrom81f3ca12012-03-17 00:27:35 -070083 offset += image_file_location_.size();
Brian Carlstrome24fa612011-09-29 00:53:55 -070084 return offset;
85}
86
87size_t OatWriter::InitOatDexFiles(size_t offset) {
88 // create the OatDexFiles
89 for (size_t i = 0; i != dex_files_->size(); ++i) {
90 const DexFile* dex_file = (*dex_files_)[i];
91 CHECK(dex_file != NULL);
92 OatDexFile* oat_dex_file = new OatDexFile(*dex_file);
93 oat_dex_files_.push_back(oat_dex_file);
94 offset += oat_dex_file->SizeOf();
95 }
96 return offset;
97}
98
Brian Carlstrom89521892011-12-07 22:05:07 -080099size_t OatWriter::InitDexFiles(size_t offset) {
100 // calculate the offsets within OatDexFiles to the DexFiles
101 for (size_t i = 0; i != dex_files_->size(); ++i) {
102 // dex files are required to be 4 byte aligned
103 offset = RoundUp(offset, 4);
104
105 // set offset in OatDexFile to DexFile
106 oat_dex_files_[i]->dex_file_offset_ = offset;
107
108 const DexFile* dex_file = (*dex_files_)[i];
109 offset += dex_file->GetHeader().file_size_;
110 }
111 return offset;
112}
113
Brian Carlstrom389efb02012-01-11 12:06:26 -0800114size_t OatWriter::InitOatClasses(size_t offset) {
115 // create the OatClasses
116 // calculate the offsets within OatDexFiles to OatClasses
Brian Carlstrome24fa612011-09-29 00:53:55 -0700117 for (size_t i = 0; i != dex_files_->size(); ++i) {
118 const DexFile* dex_file = (*dex_files_)[i];
119 for (size_t class_def_index = 0;
120 class_def_index < dex_file->NumClassDefs();
Ian Rogersc20a83e2012-01-18 18:15:32 -0800121 class_def_index++) {
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800122 oat_dex_files_[i]->methods_offsets_[class_def_index] = offset;
Brian Carlstrome24fa612011-09-29 00:53:55 -0700123 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index);
124 const byte* class_data = dex_file->GetClassData(class_def);
Ian Rogers0571d352011-11-03 19:51:38 -0700125 uint32_t num_methods = 0;
126 if (class_data != NULL) { // ie not an empty class, such as a marker interface
127 ClassDataItemIterator it(*dex_file, class_data);
128 size_t num_direct_methods = it.NumDirectMethods();
129 size_t num_virtual_methods = it.NumVirtualMethods();
130 num_methods = num_direct_methods + num_virtual_methods;
131 }
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800132
jeffhaoec014232012-09-05 10:42:25 -0700133 Compiler::ClassReference class_ref = Compiler::ClassReference(dex_file, class_def_index);
134 CompiledClass* compiled_class = compiler_->GetCompiledClass(class_ref);
135 Class::Status status;
136 if (compiled_class != NULL) {
137 status = compiled_class->GetStatus();
138 } else if (verifier::MethodVerifier::IsClassRejected(class_ref)) {
139 status = Class::kStatusError;
140 } else {
141 status = Class::kStatusNotReady;
142 }
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800143
144 OatClass* oat_class = new OatClass(status, num_methods);
Brian Carlstrom389efb02012-01-11 12:06:26 -0800145 oat_classes_.push_back(oat_class);
146 offset += oat_class->SizeOf();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700147 }
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800148 oat_dex_files_[i]->UpdateChecksum(*oat_header_);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700149 }
150 return offset;
151}
152
153size_t OatWriter::InitOatCode(size_t offset) {
154 // calculate the offsets within OatHeader to executable code
155 size_t old_offset = offset;
156 // required to be on a new page boundary
157 offset = RoundUp(offset, kPageSize);
158 oat_header_->SetExecutableOffset(offset);
159 executable_offset_padding_length_ = offset - old_offset;
160 return offset;
161}
162
163size_t OatWriter::InitOatCodeDexFiles(size_t offset) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700164 size_t oat_class_index = 0;
165 for (size_t i = 0; i != dex_files_->size(); ++i) {
166 const DexFile* dex_file = (*dex_files_)[i];
167 CHECK(dex_file != NULL);
168 offset = InitOatCodeDexFile(offset, oat_class_index, *dex_file);
169 }
170 return offset;
171}
172
173size_t OatWriter::InitOatCodeDexFile(size_t offset,
174 size_t& oat_class_index,
175 const DexFile& dex_file) {
Elliott Hughesba8eee12012-01-24 20:25:24 -0800176 for (size_t class_def_index = 0;
Brian Carlstrome24fa612011-09-29 00:53:55 -0700177 class_def_index < dex_file.NumClassDefs();
178 class_def_index++, oat_class_index++) {
179 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
Ian Rogersc20a83e2012-01-18 18:15:32 -0800180 offset = InitOatCodeClassDef(offset, oat_class_index, class_def_index, dex_file, class_def);
Brian Carlstrom389efb02012-01-11 12:06:26 -0800181 oat_classes_[oat_class_index]->UpdateChecksum(*oat_header_);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700182 }
183 return offset;
184}
185
186size_t OatWriter::InitOatCodeClassDef(size_t offset,
Ian Rogersc20a83e2012-01-18 18:15:32 -0800187 size_t oat_class_index, size_t class_def_index,
Brian Carlstrome24fa612011-09-29 00:53:55 -0700188 const DexFile& dex_file,
189 const DexFile::ClassDef& class_def) {
190 const byte* class_data = dex_file.GetClassData(class_def);
Ian Rogers0571d352011-11-03 19:51:38 -0700191 if (class_data == NULL) {
192 // empty class, such as a marker interface
Ian Rogers387b6992011-10-31 17:52:37 -0700193 return offset;
194 }
Ian Rogers0571d352011-11-03 19:51:38 -0700195 ClassDataItemIterator it(dex_file, class_data);
Brian Carlstrom389efb02012-01-11 12:06:26 -0800196 CHECK_EQ(oat_classes_[oat_class_index]->method_offsets_.size(),
Ian Rogers0571d352011-11-03 19:51:38 -0700197 it.NumDirectMethods() + it.NumVirtualMethods());
198 // Skip fields
199 while (it.HasNextStaticField()) {
200 it.Next();
201 }
202 while (it.HasNextInstanceField()) {
203 it.Next();
204 }
205 // Process methods
Brian Carlstrome24fa612011-09-29 00:53:55 -0700206 size_t class_def_method_index = 0;
Ian Rogers0571d352011-11-03 19:51:38 -0700207 while (it.HasNextDirectMethod()) {
Ian Rogersc20a83e2012-01-18 18:15:32 -0800208 bool is_native = (it.GetMemberAccessFlags() & kAccNative) != 0;
Ian Rogers08f753d2012-08-24 14:35:25 -0700209 offset = InitOatCodeMethod(offset, oat_class_index, class_def_index, class_def_method_index,
210 is_native, it.GetMethodInvokeType(class_def), it.GetMemberIndex(),
211 &dex_file);
Ian Rogers0571d352011-11-03 19:51:38 -0700212 class_def_method_index++;
213 it.Next();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700214 }
Ian Rogers0571d352011-11-03 19:51:38 -0700215 while (it.HasNextVirtualMethod()) {
Ian Rogersc20a83e2012-01-18 18:15:32 -0800216 bool is_native = (it.GetMemberAccessFlags() & kAccNative) != 0;
Ian Rogers08f753d2012-08-24 14:35:25 -0700217 offset = InitOatCodeMethod(offset, oat_class_index, class_def_index, class_def_method_index,
218 is_native, it.GetMethodInvokeType(class_def), it.GetMemberIndex(),
219 &dex_file);
Ian Rogers0571d352011-11-03 19:51:38 -0700220 class_def_method_index++;
221 it.Next();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700222 }
Ian Rogers0571d352011-11-03 19:51:38 -0700223 DCHECK(!it.HasNext());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700224 return offset;
225}
226
Elliott Hughes1bac54f2012-03-16 12:48:31 -0700227size_t OatWriter::InitOatCodeMethod(size_t offset, size_t oat_class_index,
228 size_t __attribute__((unused)) class_def_index,
229 size_t class_def_method_index,
230 bool __attribute__((unused)) is_native,
Ian Rogers08f753d2012-08-24 14:35:25 -0700231 InvokeType type,
Elliott Hughes1bac54f2012-03-16 12:48:31 -0700232 uint32_t method_idx, const DexFile* dex_file) {
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700233 // derived from CompiledMethod if available
234 uint32_t code_offset = 0;
235 uint32_t frame_size_in_bytes = kStackAlignment;
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700236 uint32_t core_spill_mask = 0;
237 uint32_t fp_spill_mask = 0;
238 uint32_t mapping_table_offset = 0;
239 uint32_t vmap_table_offset = 0;
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800240 uint32_t gc_map_offset = 0;
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700241 // derived from CompiledInvokeStub if available
242 uint32_t invoke_stub_offset = 0;
Brian Carlstromfd2ec542012-05-02 15:08:57 -0700243#if defined(ART_USE_LLVM_COMPILER)
Logan Chien971bf3f2012-05-01 15:47:55 +0800244 uint32_t proxy_stub_offset = 0;
Brian Carlstromfd2ec542012-05-02 15:08:57 -0700245#endif
Brian Carlstrome24fa612011-09-29 00:53:55 -0700246
Ian Rogers0571d352011-11-03 19:51:38 -0700247 CompiledMethod* compiled_method =
Elliott Hughes11d1b0c2012-01-23 16:57:47 -0800248 compiler_->GetCompiledMethod(Compiler::MethodReference(dex_file, method_idx));
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700249 if (compiled_method != NULL) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800250 offset = compiled_method->AlignCode(offset);
251 DCHECK_ALIGNED(offset, kArmAlignment);
252 const std::vector<uint8_t>& code = compiled_method->GetCode();
253 uint32_t code_size = code.size() * sizeof(code[0]);
254 CHECK_NE(code_size, 0U);
255 uint32_t thumb_offset = compiled_method->CodeDelta();
256 code_offset = offset + sizeof(code_size) + thumb_offset;
257
258 // Deduplicate code arrays
259 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code);
260 if (code_iter != code_offsets_.end()) {
261 code_offset = code_iter->second;
jeffhao55d78212011-11-02 11:41:50 -0700262 } else {
Logan Chien971bf3f2012-05-01 15:47:55 +0800263 code_offsets_.Put(&code, code_offset);
264 offset += sizeof(code_size); // code size is prepended before code
265 offset += code_size;
266 oat_header_->UpdateChecksum(&code[0], code_size);
267 }
268 frame_size_in_bytes = compiled_method->GetFrameSizeInBytes();
269 core_spill_mask = compiled_method->GetCoreSpillMask();
270 fp_spill_mask = compiled_method->GetFpSpillMask();
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700271
Logan Chien971bf3f2012-05-01 15:47:55 +0800272 const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable();
273 size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]);
274 mapping_table_offset = (mapping_table_size == 0) ? 0 : offset;
jeffhao55d78212011-11-02 11:41:50 -0700275
Logan Chien971bf3f2012-05-01 15:47:55 +0800276 // Deduplicate mapping tables
277 SafeMap<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter = mapping_table_offsets_.find(&mapping_table);
278 if (mapping_iter != mapping_table_offsets_.end()) {
279 mapping_table_offset = mapping_iter->second;
280 } else {
281 mapping_table_offsets_.Put(&mapping_table, mapping_table_offset);
282 offset += mapping_table_size;
283 oat_header_->UpdateChecksum(&mapping_table[0], mapping_table_size);
284 }
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700285
Logan Chien971bf3f2012-05-01 15:47:55 +0800286 const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable();
287 size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]);
288 vmap_table_offset = (vmap_table_size == 0) ? 0 : offset;
jeffhao55d78212011-11-02 11:41:50 -0700289
Logan Chien971bf3f2012-05-01 15:47:55 +0800290 // Deduplicate vmap tables
291 SafeMap<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter = vmap_table_offsets_.find(&vmap_table);
292 if (vmap_iter != vmap_table_offsets_.end()) {
293 vmap_table_offset = vmap_iter->second;
294 } else {
295 vmap_table_offsets_.Put(&vmap_table, vmap_table_offset);
296 offset += vmap_table_size;
297 oat_header_->UpdateChecksum(&vmap_table[0], vmap_table_size);
298 }
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800299
Ian Rogers0c7abda2012-09-19 13:33:42 -0700300 const std::vector<uint8_t>& gc_map = compiled_method->GetNativeGcMap();
Logan Chien971bf3f2012-05-01 15:47:55 +0800301 size_t gc_map_size = gc_map.size() * sizeof(gc_map[0]);
302 gc_map_offset = (gc_map_size == 0) ? 0 : offset;
Logan Chienccb7bf12012-03-28 12:52:32 +0800303
Logan Chien971bf3f2012-05-01 15:47:55 +0800304#if !defined(NDEBUG) && !defined(ART_USE_LLVM_COMPILER)
305 // We expect GC maps except when the class hasn't been verified or the method is native
jeffhaoec014232012-09-05 10:42:25 -0700306 Compiler::ClassReference class_ref = Compiler::ClassReference(dex_file, class_def_index);
307 CompiledClass* compiled_class = compiler_->GetCompiledClass(class_ref);
308 Class::Status status;
309 if (compiled_class != NULL) {
310 status = compiled_class->GetStatus();
311 } else if (verifier::MethodVerifier::IsClassRejected(class_ref)) {
312 status = Class::kStatusError;
313 } else {
314 status = Class::kStatusNotReady;
315 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800316 CHECK(gc_map_size != 0 || is_native || status < Class::kStatusVerified)
317 << &gc_map << " " << gc_map_size << " " << (is_native ? "true" : "false") << " " << (status < Class::kStatusVerified) << " " << status << " " << PrettyMethod(method_idx, *dex_file);
Ian Rogersc20a83e2012-01-18 18:15:32 -0800318#endif
319
Logan Chien971bf3f2012-05-01 15:47:55 +0800320 // Deduplicate GC maps
321 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator gc_map_iter = gc_map_offsets_.find(&gc_map);
322 if (gc_map_iter != gc_map_offsets_.end()) {
323 gc_map_offset = gc_map_iter->second;
324 } else {
325 gc_map_offsets_.Put(&gc_map, gc_map_offset);
326 offset += gc_map_size;
327 oat_header_->UpdateChecksum(&gc_map[0], gc_map_size);
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800328 }
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700329 }
330
Ian Rogers0571d352011-11-03 19:51:38 -0700331 const char* shorty = dex_file->GetMethodShorty(dex_file->GetMethodId(method_idx));
Ian Rogers08f753d2012-08-24 14:35:25 -0700332 const CompiledInvokeStub* compiled_invoke_stub = compiler_->FindInvokeStub(type == kStatic,
333 shorty);
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700334 if (compiled_invoke_stub != NULL) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800335 offset = CompiledMethod::AlignCode(offset, compiler_->GetInstructionSet());
336 DCHECK_ALIGNED(offset, kArmAlignment);
337 const std::vector<uint8_t>& invoke_stub = compiled_invoke_stub->GetCode();
338 uint32_t invoke_stub_size = invoke_stub.size() * sizeof(invoke_stub[0]);
339 CHECK_NE(invoke_stub_size, 0U);
340 uint32_t thumb_offset = compiled_invoke_stub->CodeDelta();
341 invoke_stub_offset = offset + sizeof(invoke_stub_size) + thumb_offset;
Logan Chienccb7bf12012-03-28 12:52:32 +0800342
Logan Chien971bf3f2012-05-01 15:47:55 +0800343 // Deduplicate invoke stubs
344 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter = code_offsets_.find(&invoke_stub);
345 if (stub_iter != code_offsets_.end()) {
346 invoke_stub_offset = stub_iter->second;
347 } else {
348 code_offsets_.Put(&invoke_stub, invoke_stub_offset);
349 offset += sizeof(invoke_stub_size); // invoke stub size is prepended before code
350 offset += invoke_stub_size;
351 oat_header_->UpdateChecksum(&invoke_stub[0], invoke_stub_size);
jeffhao55d78212011-11-02 11:41:50 -0700352 }
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700353 }
354
Logan Chien7a2a23a2012-06-06 11:01:00 +0800355#if defined(ART_USE_LLVM_COMPILER)
Ian Rogers08f753d2012-08-24 14:35:25 -0700356 if (type == kStatic) {
Logan Chien7a2a23a2012-06-06 11:01:00 +0800357 const CompiledInvokeStub* compiled_proxy_stub = compiler_->FindProxyStub(shorty);
358 if (compiled_proxy_stub != NULL) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800359 offset = CompiledMethod::AlignCode(offset, compiler_->GetInstructionSet());
360 DCHECK_ALIGNED(offset, kArmAlignment);
361 const std::vector<uint8_t>& proxy_stub = compiled_proxy_stub->GetCode();
362 uint32_t proxy_stub_size = proxy_stub.size() * sizeof(proxy_stub[0]);
363 CHECK_NE(proxy_stub_size, 0U);
364 uint32_t thumb_offset = compiled_proxy_stub->CodeDelta();
365 proxy_stub_offset = offset + sizeof(proxy_stub_size) + thumb_offset;
366
367 // Deduplicate proxy stubs
368 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter = code_offsets_.find(&proxy_stub);
369 if (stub_iter != code_offsets_.end()) {
370 proxy_stub_offset = stub_iter->second;
371 } else {
372 code_offsets_.Put(&proxy_stub, proxy_stub_offset);
373 offset += sizeof(proxy_stub_size); // proxy stub size is prepended before code
374 offset += proxy_stub_size;
375 oat_header_->UpdateChecksum(&proxy_stub[0], proxy_stub_size);
376 }
Logan Chien7a2a23a2012-06-06 11:01:00 +0800377 }
378 }
379#endif
380
Brian Carlstrom389efb02012-01-11 12:06:26 -0800381 oat_classes_[oat_class_index]->method_offsets_[class_def_method_index]
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700382 = OatMethodOffsets(code_offset,
383 frame_size_in_bytes,
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700384 core_spill_mask,
385 fp_spill_mask,
386 mapping_table_offset,
387 vmap_table_offset,
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800388 gc_map_offset,
Logan Chienccb7bf12012-03-28 12:52:32 +0800389 invoke_stub_offset
390#if defined(ART_USE_LLVM_COMPILER)
Logan Chien971bf3f2012-05-01 15:47:55 +0800391 , proxy_stub_offset
Logan Chienccb7bf12012-03-28 12:52:32 +0800392#endif
393 );
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700394
Ian Rogers0571d352011-11-03 19:51:38 -0700395 if (compiler_->IsImage()) {
396 ClassLinker* linker = Runtime::Current()->GetClassLinker();
397 DexCache* dex_cache = linker->FindDexCache(*dex_file);
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700398 // Unchecked as we hold mutator_lock_ on entry.
399 ScopedObjectAccessUnchecked soa(Thread::Current());
Mathieu Chartier66f19252012-09-18 08:57:04 -0700400 AbstractMethod* method = linker->ResolveMethod(*dex_file, method_idx, dex_cache,
jeffhaoc0228b82012-08-29 18:15:05 -0700401 soa.Decode<ClassLoader*>(class_loader_), NULL, type);
Ian Rogers0571d352011-11-03 19:51:38 -0700402 CHECK(method != NULL);
403 method->SetFrameSizeInBytes(frame_size_in_bytes);
404 method->SetCoreSpillMask(core_spill_mask);
405 method->SetFpSpillMask(fp_spill_mask);
406 method->SetOatMappingTableOffset(mapping_table_offset);
Ian Rogers19846512012-02-24 11:42:47 -0800407 // Don't overwrite static method trampoline
408 if (!method->IsStatic() || method->IsConstructor() ||
409 method->GetDeclaringClass()->IsInitialized()) {
410 method->SetOatCodeOffset(code_offset);
411 } else {
412 method->SetCode(Runtime::Current()->GetResolutionStubArray(Runtime::kStaticMethod)->GetData());
413 }
Ian Rogers0571d352011-11-03 19:51:38 -0700414 method->SetOatVmapTableOffset(vmap_table_offset);
Ian Rogers0c7abda2012-09-19 13:33:42 -0700415 method->SetOatNativeGcMapOffset(gc_map_offset);
Ian Rogers0571d352011-11-03 19:51:38 -0700416 method->SetOatInvokeStubOffset(invoke_stub_offset);
417 }
Logan Chien8b977d32012-02-21 19:14:55 +0800418
Brian Carlstrome24fa612011-09-29 00:53:55 -0700419 return offset;
420}
421
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700422#define DCHECK_CODE_OFFSET() \
Elliott Hughes2a2ff562012-01-06 18:07:59 -0800423 DCHECK_EQ(static_cast<off_t>(code_offset), lseek(file->Fd(), 0, SEEK_CUR))
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700424
Elliott Hughes234da572011-11-03 22:13:06 -0700425bool OatWriter::Write(File* file) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700426 if (!file->WriteFully(oat_header_, sizeof(*oat_header_))) {
Elliott Hughes234da572011-11-03 22:13:06 -0700427 PLOG(ERROR) << "Failed to write oat header to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700428 return false;
429 }
430
Brian Carlstrom81f3ca12012-03-17 00:27:35 -0700431 if (!file->WriteFully(image_file_location_.data(),
432 image_file_location_.size())) {
433 PLOG(ERROR) << "Failed to write oat header image file location to " << file->name();
434 return false;
435 }
436
Elliott Hughes234da572011-11-03 22:13:06 -0700437 if (!WriteTables(file)) {
438 LOG(ERROR) << "Failed to write oat tables to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700439 return false;
440 }
441
Elliott Hughes234da572011-11-03 22:13:06 -0700442 size_t code_offset = WriteCode(file);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700443 if (code_offset == 0) {
Elliott Hughes234da572011-11-03 22:13:06 -0700444 LOG(ERROR) << "Failed to write oat code to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700445 return false;
446 }
447
Elliott Hughes234da572011-11-03 22:13:06 -0700448 code_offset = WriteCodeDexFiles(file, code_offset);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700449 if (code_offset == 0) {
Elliott Hughes234da572011-11-03 22:13:06 -0700450 LOG(ERROR) << "Failed to write oat code for dex files to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700451 return false;
452 }
453
454 return true;
455}
456
457bool OatWriter::WriteTables(File* file) {
458 for (size_t i = 0; i != oat_dex_files_.size(); ++i) {
459 if (!oat_dex_files_[i]->Write(file)) {
Elliott Hughes234da572011-11-03 22:13:06 -0700460 PLOG(ERROR) << "Failed to write oat dex information to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700461 return false;
462 }
463 }
Brian Carlstrom89521892011-12-07 22:05:07 -0800464 for (size_t i = 0; i != oat_dex_files_.size(); ++i) {
465 uint32_t expected_offset = oat_dex_files_[i]->dex_file_offset_;
Elliott Hughes2a2ff562012-01-06 18:07:59 -0800466 off_t actual_offset = lseek(file->Fd(), expected_offset, SEEK_SET);
Brian Carlstrom89521892011-12-07 22:05:07 -0800467 if (static_cast<uint32_t>(actual_offset) != expected_offset) {
468 const DexFile* dex_file = (*dex_files_)[i];
469 PLOG(ERROR) << "Failed to seek to dex file section. Actual: " << actual_offset
470 << " Expected: " << expected_offset << " File: " << dex_file->GetLocation();
471 return false;
472 }
473 const DexFile* dex_file = (*dex_files_)[i];
474 if (!file->WriteFully(&dex_file->GetHeader(), dex_file->GetHeader().file_size_)) {
475 PLOG(ERROR) << "Failed to write dex file " << dex_file->GetLocation() << " to " << file->name();
476 return false;
477 }
478 }
Brian Carlstrom389efb02012-01-11 12:06:26 -0800479 for (size_t i = 0; i != oat_classes_.size(); ++i) {
480 if (!oat_classes_[i]->Write(file)) {
Elliott Hughes234da572011-11-03 22:13:06 -0700481 PLOG(ERROR) << "Failed to write oat methods information to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700482 return false;
483 }
484 }
485 return true;
486}
487
488size_t OatWriter::WriteCode(File* file) {
489 uint32_t code_offset = oat_header_->GetExecutableOffset();
Elliott Hughes2a2ff562012-01-06 18:07:59 -0800490 off_t new_offset = lseek(file->Fd(), executable_offset_padding_length_, SEEK_CUR);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700491 if (static_cast<uint32_t>(new_offset) != code_offset) {
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700492 PLOG(ERROR) << "Failed to seek to oat code section. Actual: " << new_offset
Elliott Hughes234da572011-11-03 22:13:06 -0700493 << " Expected: " << code_offset << " File: " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700494 return 0;
495 }
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700496 DCHECK_CODE_OFFSET();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700497 return code_offset;
498}
499
500size_t OatWriter::WriteCodeDexFiles(File* file, size_t code_offset) {
Ian Rogers0571d352011-11-03 19:51:38 -0700501 size_t oat_class_index = 0;
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800502 for (size_t i = 0; i != oat_dex_files_.size(); ++i) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700503 const DexFile* dex_file = (*dex_files_)[i];
504 CHECK(dex_file != NULL);
Ian Rogers0571d352011-11-03 19:51:38 -0700505 code_offset = WriteCodeDexFile(file, code_offset, oat_class_index, *dex_file);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700506 if (code_offset == 0) {
507 return 0;
508 }
509 }
510 return code_offset;
511}
512
Ian Rogers0571d352011-11-03 19:51:38 -0700513size_t OatWriter::WriteCodeDexFile(File* file, size_t code_offset, size_t& oat_class_index,
514 const DexFile& dex_file) {
515 for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs();
516 class_def_index++, oat_class_index++) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700517 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
Ian Rogers0571d352011-11-03 19:51:38 -0700518 code_offset = WriteCodeClassDef(file, code_offset, oat_class_index, dex_file, class_def);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700519 if (code_offset == 0) {
520 return 0;
521 }
522 }
523 return code_offset;
524}
525
Ian Rogers0571d352011-11-03 19:51:38 -0700526void OatWriter::ReportWriteFailure(const char* what, uint32_t method_idx,
527 const DexFile& dex_file, File* f) const {
528 PLOG(ERROR) << "Failed to write " << what << " for " << PrettyMethod(method_idx, dex_file)
529 << " to " << f->name();
Elliott Hughes234da572011-11-03 22:13:06 -0700530}
531
Brian Carlstrome24fa612011-09-29 00:53:55 -0700532size_t OatWriter::WriteCodeClassDef(File* file,
Ian Rogers0571d352011-11-03 19:51:38 -0700533 size_t code_offset, size_t oat_class_index,
Brian Carlstrome24fa612011-09-29 00:53:55 -0700534 const DexFile& dex_file,
535 const DexFile::ClassDef& class_def) {
Brian Carlstrome24fa612011-09-29 00:53:55 -0700536 const byte* class_data = dex_file.GetClassData(class_def);
Ian Rogers0571d352011-11-03 19:51:38 -0700537 if (class_data == NULL) {
538 // ie. an empty class such as a marker interface
Ian Rogers387b6992011-10-31 17:52:37 -0700539 return code_offset;
540 }
Ian Rogers0571d352011-11-03 19:51:38 -0700541 ClassDataItemIterator it(dex_file, class_data);
542 // Skip fields
543 while (it.HasNextStaticField()) {
544 it.Next();
545 }
546 while (it.HasNextInstanceField()) {
547 it.Next();
548 }
549 // Process methods
550 size_t class_def_method_index = 0;
551 while (it.HasNextDirectMethod()) {
552 bool is_static = (it.GetMemberAccessFlags() & kAccStatic) != 0;
553 code_offset = WriteCodeMethod(file, code_offset, oat_class_index, class_def_method_index,
554 is_static, it.GetMemberIndex(), dex_file);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700555 if (code_offset == 0) {
556 return 0;
557 }
Ian Rogers0571d352011-11-03 19:51:38 -0700558 class_def_method_index++;
559 it.Next();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700560 }
Ian Rogers0571d352011-11-03 19:51:38 -0700561 while (it.HasNextVirtualMethod()) {
562 code_offset = WriteCodeMethod(file, code_offset, oat_class_index, class_def_method_index,
563 false, it.GetMemberIndex(), dex_file);
Brian Carlstrome24fa612011-09-29 00:53:55 -0700564 if (code_offset == 0) {
565 return 0;
566 }
Ian Rogers0571d352011-11-03 19:51:38 -0700567 class_def_method_index++;
568 it.Next();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700569 }
570 return code_offset;
571}
572
Ian Rogers0571d352011-11-03 19:51:38 -0700573size_t OatWriter::WriteCodeMethod(File* file, size_t code_offset, size_t oat_class_index,
574 size_t class_def_method_index, bool is_static,
575 uint32_t method_idx, const DexFile& dex_file) {
576 const CompiledMethod* compiled_method =
Elliott Hughes11d1b0c2012-01-23 16:57:47 -0800577 compiler_->GetCompiledMethod(Compiler::MethodReference(&dex_file, method_idx));
Ian Rogers0571d352011-11-03 19:51:38 -0700578
Ian Rogers0571d352011-11-03 19:51:38 -0700579 OatMethodOffsets method_offsets =
Brian Carlstrom389efb02012-01-11 12:06:26 -0800580 oat_classes_[oat_class_index]->method_offsets_[class_def_method_index];
Ian Rogers0571d352011-11-03 19:51:38 -0700581
582
583 if (compiled_method != NULL) { // ie. not an abstract method
Logan Chien971bf3f2012-05-01 15:47:55 +0800584 uint32_t aligned_code_offset = compiled_method->AlignCode(code_offset);
585 uint32_t aligned_code_delta = aligned_code_offset - code_offset;
586 if (aligned_code_delta != 0) {
587 off_t new_offset = lseek(file->Fd(), aligned_code_delta, SEEK_CUR);
588 if (static_cast<uint32_t>(new_offset) != aligned_code_offset) {
589 PLOG(ERROR) << "Failed to seek to align oat code. Actual: " << new_offset
590 << " Expected: " << aligned_code_offset << " File: " << file->name();
591 return 0;
Brian Carlstrome24fa612011-09-29 00:53:55 -0700592 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800593 code_offset += aligned_code_delta;
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700594 DCHECK_CODE_OFFSET();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700595 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800596 DCHECK_ALIGNED(code_offset, kArmAlignment);
597 const std::vector<uint8_t>& code = compiled_method->GetCode();
598 uint32_t code_size = code.size() * sizeof(code[0]);
599 CHECK_NE(code_size, 0U);
600
601 // Deduplicate code arrays
602 size_t offset = code_offset + sizeof(code_size) + compiled_method->CodeDelta();
603 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code);
604 if (code_iter != code_offsets_.end() && offset != method_offsets.code_offset_) {
605 DCHECK(code_iter->second == method_offsets.code_offset_) << PrettyMethod(method_idx, dex_file);
606 } else {
607 DCHECK(offset == method_offsets.code_offset_) << PrettyMethod(method_idx, dex_file);
608 if (!file->WriteFully(&code_size, sizeof(code_size))) {
609 ReportWriteFailure("method code size", method_idx, dex_file, file);
610 return 0;
611 }
612 code_offset += sizeof(code_size);
613 DCHECK_CODE_OFFSET();
614 if (!file->WriteFully(&code[0], code_size)) {
615 ReportWriteFailure("method code", method_idx, dex_file, file);
616 return 0;
617 }
618 code_offset += code_size;
619 }
620 DCHECK_CODE_OFFSET();
621
622 const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable();
623 size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]);
624
625 // Deduplicate mapping tables
626 SafeMap<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter =
627 mapping_table_offsets_.find(&mapping_table);
628 if (mapping_iter != mapping_table_offsets_.end() &&
629 code_offset != method_offsets.mapping_table_offset_) {
630 DCHECK((mapping_table_size == 0 && method_offsets.mapping_table_offset_ == 0)
631 || mapping_iter->second == method_offsets.mapping_table_offset_)
632 << PrettyMethod(method_idx, dex_file);
633 } else {
634 DCHECK((mapping_table_size == 0 && method_offsets.mapping_table_offset_ == 0)
635 || code_offset == method_offsets.mapping_table_offset_)
636 << PrettyMethod(method_idx, dex_file);
637 if (!file->WriteFully(&mapping_table[0], mapping_table_size)) {
638 ReportWriteFailure("mapping table", method_idx, dex_file, file);
639 return 0;
640 }
641 code_offset += mapping_table_size;
642 }
643 DCHECK_CODE_OFFSET();
644
645 const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable();
646 size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]);
647
648 // Deduplicate vmap tables
649 SafeMap<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter =
650 vmap_table_offsets_.find(&vmap_table);
651 if (vmap_iter != vmap_table_offsets_.end() &&
652 code_offset != method_offsets.vmap_table_offset_) {
653 DCHECK((vmap_table_size == 0 && method_offsets.vmap_table_offset_ == 0)
654 || vmap_iter->second == method_offsets.vmap_table_offset_)
655 << PrettyMethod(method_idx, dex_file);
656 } else {
657 DCHECK((vmap_table_size == 0 && method_offsets.vmap_table_offset_ == 0)
658 || code_offset == method_offsets.vmap_table_offset_)
659 << PrettyMethod(method_idx, dex_file);
660 if (!file->WriteFully(&vmap_table[0], vmap_table_size)) {
661 ReportWriteFailure("vmap table", method_idx, dex_file, file);
662 return 0;
663 }
664 code_offset += vmap_table_size;
665 }
666 DCHECK_CODE_OFFSET();
667
Ian Rogers0c7abda2012-09-19 13:33:42 -0700668 const std::vector<uint8_t>& gc_map = compiled_method->GetNativeGcMap();
Logan Chien971bf3f2012-05-01 15:47:55 +0800669 size_t gc_map_size = gc_map.size() * sizeof(gc_map[0]);
670
671 // Deduplicate GC maps
672 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator gc_map_iter =
673 gc_map_offsets_.find(&gc_map);
674 if (gc_map_iter != gc_map_offsets_.end() &&
675 code_offset != method_offsets.gc_map_offset_) {
676 DCHECK((gc_map_size == 0 && method_offsets.gc_map_offset_ == 0)
677 || gc_map_iter->second == method_offsets.gc_map_offset_)
678 << PrettyMethod(method_idx, dex_file);
679 } else {
680 DCHECK((gc_map_size == 0 && method_offsets.gc_map_offset_ == 0)
681 || code_offset == method_offsets.gc_map_offset_)
682 << PrettyMethod(method_idx, dex_file);
683 if (!file->WriteFully(&gc_map[0], gc_map_size)) {
684 ReportWriteFailure("GC map", method_idx, dex_file, file);
685 return 0;
686 }
687 code_offset += gc_map_size;
688 }
689 DCHECK_CODE_OFFSET();
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700690 }
Ian Rogers0571d352011-11-03 19:51:38 -0700691 const char* shorty = dex_file.GetMethodShorty(dex_file.GetMethodId(method_idx));
692 const CompiledInvokeStub* compiled_invoke_stub = compiler_->FindInvokeStub(is_static, shorty);
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700693 if (compiled_invoke_stub != NULL) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800694 uint32_t aligned_code_offset = CompiledMethod::AlignCode(code_offset,
695 compiler_->GetInstructionSet());
696 uint32_t aligned_code_delta = aligned_code_offset - code_offset;
697 if (aligned_code_delta != 0) {
698 off_t new_offset = lseek(file->Fd(), aligned_code_delta, SEEK_CUR);
699 if (static_cast<uint32_t>(new_offset) != aligned_code_offset) {
700 PLOG(ERROR) << "Failed to seek to align invoke stub code. Actual: " << new_offset
701 << " Expected: " << aligned_code_offset;
702 return 0;
703 }
704 code_offset += aligned_code_delta;
705 DCHECK_CODE_OFFSET();
706 }
707 DCHECK_ALIGNED(code_offset, kArmAlignment);
708 const std::vector<uint8_t>& invoke_stub = compiled_invoke_stub->GetCode();
709 uint32_t invoke_stub_size = invoke_stub.size() * sizeof(invoke_stub[0]);
710 CHECK_NE(invoke_stub_size, 0U);
711
712 // Deduplicate invoke stubs
713 size_t offset = code_offset + sizeof(invoke_stub_size) + compiled_invoke_stub->CodeDelta();
714 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter =
715 code_offsets_.find(&invoke_stub);
716 if (stub_iter != code_offsets_.end() && offset != method_offsets.invoke_stub_offset_) {
717 DCHECK(stub_iter->second == method_offsets.invoke_stub_offset_) << PrettyMethod(method_idx, dex_file);
718 } else {
719 DCHECK(offset == method_offsets.invoke_stub_offset_) << PrettyMethod(method_idx, dex_file);
720 if (!file->WriteFully(&invoke_stub_size, sizeof(invoke_stub_size))) {
721 ReportWriteFailure("invoke stub code size", method_idx, dex_file, file);
722 return 0;
723 }
724 code_offset += sizeof(invoke_stub_size);
725 DCHECK_CODE_OFFSET();
726 if (!file->WriteFully(&invoke_stub[0], invoke_stub_size)) {
727 ReportWriteFailure("invoke stub code", method_idx, dex_file, file);
728 return 0;
729 }
730 code_offset += invoke_stub_size;
731 DCHECK_CODE_OFFSET();
732 }
733 }
734
735#if defined(ART_USE_LLVM_COMPILER)
Ian Rogers08f753d2012-08-24 14:35:25 -0700736 if (is_static) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800737 const CompiledInvokeStub* compiled_proxy_stub = compiler_->FindProxyStub(shorty);
738 if (compiled_proxy_stub != NULL) {
Logan Chienccb7bf12012-03-28 12:52:32 +0800739 uint32_t aligned_code_offset = CompiledMethod::AlignCode(code_offset,
740 compiler_->GetInstructionSet());
741 uint32_t aligned_code_delta = aligned_code_offset - code_offset;
Logan Chien971bf3f2012-05-01 15:47:55 +0800742 CHECK(aligned_code_delta < 48u);
Logan Chienccb7bf12012-03-28 12:52:32 +0800743 if (aligned_code_delta != 0) {
744 off_t new_offset = lseek(file->Fd(), aligned_code_delta, SEEK_CUR);
745 if (static_cast<uint32_t>(new_offset) != aligned_code_offset) {
Logan Chien971bf3f2012-05-01 15:47:55 +0800746 PLOG(ERROR) << "Failed to seek to align proxy stub code. Actual: " << new_offset
Logan Chienccb7bf12012-03-28 12:52:32 +0800747 << " Expected: " << aligned_code_offset;
748 return 0;
749 }
750 code_offset += aligned_code_delta;
751 DCHECK_CODE_OFFSET();
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700752 }
Logan Chienccb7bf12012-03-28 12:52:32 +0800753 DCHECK_ALIGNED(code_offset, kArmAlignment);
Logan Chien971bf3f2012-05-01 15:47:55 +0800754 const std::vector<uint8_t>& proxy_stub = compiled_proxy_stub->GetCode();
755 uint32_t proxy_stub_size = proxy_stub.size() * sizeof(proxy_stub[0]);
756 CHECK_NE(proxy_stub_size, 0U);
jeffhao55d78212011-11-02 11:41:50 -0700757
Logan Chien971bf3f2012-05-01 15:47:55 +0800758 // Deduplicate proxy stubs
759 size_t offset = code_offset + sizeof(proxy_stub_size) + compiled_proxy_stub->CodeDelta();
Elliott Hughesa0e18062012-04-13 15:59:59 -0700760 SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter =
Logan Chien971bf3f2012-05-01 15:47:55 +0800761 code_offsets_.find(&proxy_stub);
762 if (stub_iter != code_offsets_.end() && offset != method_offsets.proxy_stub_offset_) {
763 DCHECK(stub_iter->second == method_offsets.proxy_stub_offset_) << PrettyMethod(method_idx, dex_file);
Logan Chienccb7bf12012-03-28 12:52:32 +0800764 } else {
Logan Chien971bf3f2012-05-01 15:47:55 +0800765 DCHECK(offset == method_offsets.proxy_stub_offset_) << PrettyMethod(method_idx, dex_file);
766 if (!file->WriteFully(&proxy_stub_size, sizeof(proxy_stub_size))) {
767 ReportWriteFailure("proxy stub code size", method_idx, dex_file, file);
Logan Chienccb7bf12012-03-28 12:52:32 +0800768 return 0;
769 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800770 code_offset += sizeof(proxy_stub_size);
Logan Chienccb7bf12012-03-28 12:52:32 +0800771 DCHECK_CODE_OFFSET();
Logan Chien971bf3f2012-05-01 15:47:55 +0800772 if (!file->WriteFully(&proxy_stub[0], proxy_stub_size)) {
773 ReportWriteFailure("proxy stub code", method_idx, dex_file, file);
Logan Chienccb7bf12012-03-28 12:52:32 +0800774 return 0;
775 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800776 code_offset += proxy_stub_size;
777 DCHECK_CODE_OFFSET();
Brian Carlstromf8bbb842012-03-14 03:01:42 -0700778 }
Brian Carlstromf8bbb842012-03-14 03:01:42 -0700779 DCHECK_CODE_OFFSET();
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700780 }
Brian Carlstrom3320cf42011-10-04 14:58:28 -0700781 }
Logan Chien971bf3f2012-05-01 15:47:55 +0800782#endif
Logan Chien8b977d32012-02-21 19:14:55 +0800783
Brian Carlstrome24fa612011-09-29 00:53:55 -0700784 return code_offset;
785}
786
Brian Carlstrome24fa612011-09-29 00:53:55 -0700787OatWriter::OatDexFile::OatDexFile(const DexFile& dex_file) {
Elliott Hughes95572412011-12-13 18:14:20 -0800788 const std::string& location(dex_file.GetLocation());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700789 dex_file_location_size_ = location.size();
790 dex_file_location_data_ = reinterpret_cast<const uint8_t*>(location.data());
Brian Carlstrom5b332c82012-02-01 15:02:31 -0800791 dex_file_location_checksum_ = dex_file.GetLocationChecksum();
Brian Carlstrom89521892011-12-07 22:05:07 -0800792 dex_file_offset_ = 0;
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800793 methods_offsets_.resize(dex_file.NumClassDefs());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700794}
795
796size_t OatWriter::OatDexFile::SizeOf() const {
797 return sizeof(dex_file_location_size_)
798 + dex_file_location_size_
Brian Carlstrom5b332c82012-02-01 15:02:31 -0800799 + sizeof(dex_file_location_checksum_)
Brian Carlstrom89521892011-12-07 22:05:07 -0800800 + sizeof(dex_file_offset_)
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800801 + (sizeof(methods_offsets_[0]) * methods_offsets_.size());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700802}
803
804void OatWriter::OatDexFile::UpdateChecksum(OatHeader& oat_header) const {
805 oat_header.UpdateChecksum(&dex_file_location_size_, sizeof(dex_file_location_size_));
806 oat_header.UpdateChecksum(dex_file_location_data_, dex_file_location_size_);
Brian Carlstrom5b332c82012-02-01 15:02:31 -0800807 oat_header.UpdateChecksum(&dex_file_location_checksum_, sizeof(dex_file_location_checksum_));
Brian Carlstrom89521892011-12-07 22:05:07 -0800808 oat_header.UpdateChecksum(&dex_file_offset_, sizeof(dex_file_offset_));
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800809 oat_header.UpdateChecksum(&methods_offsets_[0],
810 sizeof(methods_offsets_[0]) * methods_offsets_.size());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700811}
812
813bool OatWriter::OatDexFile::Write(File* file) const {
814 if (!file->WriteFully(&dex_file_location_size_, sizeof(dex_file_location_size_))) {
Elliott Hughes234da572011-11-03 22:13:06 -0700815 PLOG(ERROR) << "Failed to write dex file location length to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700816 return false;
817 }
818 if (!file->WriteFully(dex_file_location_data_, dex_file_location_size_)) {
Elliott Hughes234da572011-11-03 22:13:06 -0700819 PLOG(ERROR) << "Failed to write dex file location data to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700820 return false;
821 }
Brian Carlstrom5b332c82012-02-01 15:02:31 -0800822 if (!file->WriteFully(&dex_file_location_checksum_, sizeof(dex_file_location_checksum_))) {
823 PLOG(ERROR) << "Failed to write dex file location checksum to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700824 return false;
825 }
Brian Carlstrom89521892011-12-07 22:05:07 -0800826 if (!file->WriteFully(&dex_file_offset_, sizeof(dex_file_offset_))) {
827 PLOG(ERROR) << "Failed to write dex file offset to " << file->name();
828 return false;
829 }
Brian Carlstrom6e3b1d92012-01-11 01:36:32 -0800830 if (!file->WriteFully(&methods_offsets_[0],
831 sizeof(methods_offsets_[0]) * methods_offsets_.size())) {
Elliott Hughes234da572011-11-03 22:13:06 -0700832 PLOG(ERROR) << "Failed to write methods offsets to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700833 return false;
834 }
835 return true;
836}
837
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800838OatWriter::OatClass::OatClass(Class::Status status, uint32_t methods_count) {
839 status_ = status;
Brian Carlstrome24fa612011-09-29 00:53:55 -0700840 method_offsets_.resize(methods_count);
841}
842
Brian Carlstrom389efb02012-01-11 12:06:26 -0800843size_t OatWriter::OatClass::SizeOf() const {
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800844 return sizeof(status_)
845 + (sizeof(method_offsets_[0]) * method_offsets_.size());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700846}
847
Brian Carlstrom389efb02012-01-11 12:06:26 -0800848void OatWriter::OatClass::UpdateChecksum(OatHeader& oat_header) const {
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800849 oat_header.UpdateChecksum(&status_, sizeof(status_));
850 oat_header.UpdateChecksum(&method_offsets_[0],
851 sizeof(method_offsets_[0]) * method_offsets_.size());
Brian Carlstrome24fa612011-09-29 00:53:55 -0700852}
853
Brian Carlstrom389efb02012-01-11 12:06:26 -0800854bool OatWriter::OatClass::Write(File* file) const {
Brian Carlstrom0755ec52012-01-11 15:19:46 -0800855 if (!file->WriteFully(&status_, sizeof(status_))) {
856 PLOG(ERROR) << "Failed to write class status to " << file->name();
857 return false;
858 }
859 if (!file->WriteFully(&method_offsets_[0],
860 sizeof(method_offsets_[0]) * method_offsets_.size())) {
Elliott Hughes234da572011-11-03 22:13:06 -0700861 PLOG(ERROR) << "Failed to write method offsets to " << file->name();
Brian Carlstrome24fa612011-09-29 00:53:55 -0700862 return false;
863 }
864 return true;
865}
866
Brian Carlstrome24fa612011-09-29 00:53:55 -0700867} // namespace art