Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [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 | */ |
| 16 | |
| 17 | #include "compiled_method.h" |
| 18 | #include "driver/compiler_driver.h" |
| 19 | |
| 20 | namespace art { |
| 21 | |
| 22 | CompiledCode::CompiledCode(CompilerDriver* compiler_driver, InstructionSet instruction_set, |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 23 | const std::vector<uint8_t>& quick_code) |
| 24 | : compiler_driver_(compiler_driver), instruction_set_(instruction_set), |
| 25 | portable_code_(nullptr), quick_code_(nullptr) { |
| 26 | SetCode(&quick_code, nullptr); |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | CompiledCode::CompiledCode(CompilerDriver* compiler_driver, InstructionSet instruction_set, |
| 30 | const std::string& elf_object, const std::string& symbol) |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 31 | : compiler_driver_(compiler_driver), instruction_set_(instruction_set), |
| 32 | portable_code_(nullptr), quick_code_(nullptr), symbol_(symbol) { |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 33 | CHECK_NE(elf_object.size(), 0U); |
| 34 | CHECK_NE(symbol.size(), 0U); |
| 35 | std::vector<uint8_t> temp_code(elf_object.size()); |
| 36 | for (size_t i = 0; i < elf_object.size(); ++i) { |
| 37 | temp_code[i] = elf_object[i]; |
| 38 | } |
| 39 | // TODO: we shouldn't just shove ELF objects in as "code" but |
| 40 | // change to have different kinds of compiled methods. This is |
| 41 | // being deferred until we work on hybrid execution or at least |
| 42 | // until we work on batch compilation. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 43 | SetCode(nullptr, &temp_code); |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 44 | } |
| 45 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 46 | void CompiledCode::SetCode(const std::vector<uint8_t>* quick_code, |
| 47 | const std::vector<uint8_t>* portable_code) { |
| 48 | if (portable_code != nullptr) { |
| 49 | CHECK(!portable_code->empty()); |
| 50 | portable_code_ = compiler_driver_->DeduplicateCode(*portable_code); |
| 51 | } |
| 52 | if (quick_code != nullptr) { |
| 53 | CHECK(!quick_code->empty()); |
| 54 | quick_code_ = compiler_driver_->DeduplicateCode(*quick_code); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | bool CompiledCode::operator==(const CompiledCode& rhs) const { |
| 59 | if (quick_code_ != nullptr) { |
| 60 | if (rhs.quick_code_ == nullptr) { |
| 61 | return false; |
| 62 | } else if (quick_code_->size() != rhs.quick_code_->size()) { |
| 63 | return false; |
| 64 | } else { |
| 65 | return std::equal(quick_code_->begin(), quick_code_->end(), rhs.quick_code_->begin()); |
| 66 | } |
| 67 | } else if (portable_code_ != nullptr) { |
| 68 | if (rhs.portable_code_ == nullptr) { |
| 69 | return false; |
| 70 | } else if (portable_code_->size() != rhs.portable_code_->size()) { |
| 71 | return false; |
| 72 | } else { |
| 73 | return std::equal(portable_code_->begin(), portable_code_->end(), |
| 74 | rhs.portable_code_->begin()); |
| 75 | } |
| 76 | } |
| 77 | return (rhs.quick_code_ == nullptr) && (rhs.portable_code_ == nullptr); |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | uint32_t CompiledCode::AlignCode(uint32_t offset) const { |
| 81 | return AlignCode(offset, instruction_set_); |
| 82 | } |
| 83 | |
| 84 | uint32_t CompiledCode::AlignCode(uint32_t offset, InstructionSet instruction_set) { |
| 85 | switch (instruction_set) { |
| 86 | case kArm: |
| 87 | case kThumb2: |
| 88 | return RoundUp(offset, kArmAlignment); |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 89 | case kArm64: |
| 90 | return RoundUp(offset, kArm64Alignment); |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 91 | case kMips: |
| 92 | return RoundUp(offset, kMipsAlignment); |
Ian Rogers | befbd57 | 2014-03-06 01:13:39 -0800 | [diff] [blame] | 93 | case kX86: // Fall-through. |
| 94 | case kX86_64: |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 95 | return RoundUp(offset, kX86Alignment); |
| 96 | default: |
| 97 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set; |
| 98 | return 0; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | size_t CompiledCode::CodeDelta() const { |
| 103 | switch (instruction_set_) { |
| 104 | case kArm: |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 105 | case kArm64: |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 106 | case kMips: |
| 107 | case kX86: |
Dmitry Petrochenko | fca8220 | 2014-03-21 11:21:37 +0700 | [diff] [blame] | 108 | case kX86_64: |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 109 | return 0; |
| 110 | case kThumb2: { |
| 111 | // +1 to set the low-order bit so a BLX will switch to Thumb mode |
| 112 | return 1; |
| 113 | } |
| 114 | default: |
| 115 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; |
| 116 | return 0; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | const void* CompiledCode::CodePointer(const void* code_pointer, |
| 121 | InstructionSet instruction_set) { |
| 122 | switch (instruction_set) { |
| 123 | case kArm: |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 124 | case kArm64: |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 125 | case kMips: |
| 126 | case kX86: |
Dmitry Petrochenko | fca8220 | 2014-03-21 11:21:37 +0700 | [diff] [blame] | 127 | case kX86_64: |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 128 | return code_pointer; |
| 129 | case kThumb2: { |
| 130 | uintptr_t address = reinterpret_cast<uintptr_t>(code_pointer); |
| 131 | // Set the low-order bit so a BLX will switch to Thumb mode |
| 132 | address |= 0x1; |
| 133 | return reinterpret_cast<const void*>(address); |
| 134 | } |
| 135 | default: |
| 136 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set; |
| 137 | return NULL; |
| 138 | } |
| 139 | } |
| 140 | |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 141 | const std::string& CompiledCode::GetSymbol() const { |
| 142 | CHECK_NE(0U, symbol_.size()); |
| 143 | return symbol_; |
| 144 | } |
| 145 | |
| 146 | const std::vector<uint32_t>& CompiledCode::GetOatdataOffsetsToCompliledCodeOffset() const { |
| 147 | CHECK_NE(0U, oatdata_offsets_to_compiled_code_offset_.size()) << symbol_; |
| 148 | return oatdata_offsets_to_compiled_code_offset_; |
| 149 | } |
| 150 | |
| 151 | void CompiledCode::AddOatdataOffsetToCompliledCodeOffset(uint32_t offset) { |
| 152 | oatdata_offsets_to_compiled_code_offset_.push_back(offset); |
| 153 | } |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 154 | |
| 155 | CompiledMethod::CompiledMethod(CompilerDriver& driver, |
| 156 | InstructionSet instruction_set, |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 157 | const std::vector<uint8_t>& quick_code, |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 158 | const size_t frame_size_in_bytes, |
| 159 | const uint32_t core_spill_mask, |
| 160 | const uint32_t fp_spill_mask, |
| 161 | const std::vector<uint8_t>& mapping_table, |
| 162 | const std::vector<uint8_t>& vmap_table, |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 163 | const std::vector<uint8_t>& native_gc_map, |
| 164 | const std::vector<uint8_t>* cfi_info) |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 165 | : CompiledCode(&driver, instruction_set, quick_code), frame_size_in_bytes_(frame_size_in_bytes), |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 166 | core_spill_mask_(core_spill_mask), fp_spill_mask_(fp_spill_mask), |
| 167 | mapping_table_(driver.DeduplicateMappingTable(mapping_table)), |
| 168 | vmap_table_(driver.DeduplicateVMapTable(vmap_table)), |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 169 | gc_map_(driver.DeduplicateGCMap(native_gc_map)), |
| 170 | cfi_info_(driver.DeduplicateCFIInfo(cfi_info)) { |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | CompiledMethod::CompiledMethod(CompilerDriver& driver, |
| 174 | InstructionSet instruction_set, |
| 175 | const std::vector<uint8_t>& code, |
| 176 | const size_t frame_size_in_bytes, |
| 177 | const uint32_t core_spill_mask, |
| 178 | const uint32_t fp_spill_mask) |
| 179 | : CompiledCode(&driver, instruction_set, code), |
| 180 | frame_size_in_bytes_(frame_size_in_bytes), |
Mark Mendell | ae9fd93 | 2014-02-10 16:14:35 -0800 | [diff] [blame] | 181 | core_spill_mask_(core_spill_mask), fp_spill_mask_(fp_spill_mask), |
| 182 | mapping_table_(driver.DeduplicateMappingTable(std::vector<uint8_t>())), |
| 183 | vmap_table_(driver.DeduplicateVMapTable(std::vector<uint8_t>())), |
| 184 | gc_map_(driver.DeduplicateGCMap(std::vector<uint8_t>())), |
| 185 | cfi_info_(nullptr) { |
Mathieu Chartier | 193bad9 | 2013-08-29 18:46:00 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | // Constructs a CompiledMethod for the Portable compiler. |
| 189 | CompiledMethod::CompiledMethod(CompilerDriver& driver, InstructionSet instruction_set, |
| 190 | const std::string& code, const std::vector<uint8_t>& gc_map, |
| 191 | const std::string& symbol) |
| 192 | : CompiledCode(&driver, instruction_set, code, symbol), |
| 193 | frame_size_in_bytes_(kStackAlignment), core_spill_mask_(0), |
| 194 | fp_spill_mask_(0), gc_map_(driver.DeduplicateGCMap(gc_map)) { |
| 195 | mapping_table_ = driver.DeduplicateMappingTable(std::vector<uint8_t>()); |
| 196 | vmap_table_ = driver.DeduplicateVMapTable(std::vector<uint8_t>()); |
| 197 | } |
| 198 | |
| 199 | CompiledMethod::CompiledMethod(CompilerDriver& driver, InstructionSet instruction_set, |
| 200 | const std::string& code, const std::string& symbol) |
| 201 | : CompiledCode(&driver, instruction_set, code, symbol), |
| 202 | frame_size_in_bytes_(kStackAlignment), core_spill_mask_(0), |
| 203 | fp_spill_mask_(0) { |
| 204 | mapping_table_ = driver.DeduplicateMappingTable(std::vector<uint8_t>()); |
| 205 | vmap_table_ = driver.DeduplicateVMapTable(std::vector<uint8_t>()); |
| 206 | gc_map_ = driver.DeduplicateGCMap(std::vector<uint8_t>()); |
| 207 | } |
| 208 | |
| 209 | } // namespace art |