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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/code_descriptors.h" | 5 #include "vm/code_descriptors.h" |
| 6 #include "vm/compiler.h" | 6 #include "vm/compiler.h" |
| 7 | 7 |
| 8 namespace dart { | 8 namespace dart { |
| 9 | 9 |
| 10 void DescriptorList::AddDescriptor(RawPcDescriptors::Kind kind, | 10 void DescriptorList::AddDescriptor(RawPcDescriptors::Kind kind, |
| 11 intptr_t pc_offset, | 11 intptr_t pc_offset, |
| 12 intptr_t deopt_id, | 12 intptr_t deopt_id, |
| 13 intptr_t token_pos, | 13 TokenDescriptor token_pos, |
| 14 intptr_t try_index) { | 14 intptr_t try_index) { |
| 15 ASSERT((kind == RawPcDescriptors::kRuntimeCall) || | 15 ASSERT((kind == RawPcDescriptors::kRuntimeCall) || |
| 16 (kind == RawPcDescriptors::kOther) || | 16 (kind == RawPcDescriptors::kOther) || |
| 17 (deopt_id != Thread::kNoDeoptId)); | 17 (deopt_id != Thread::kNoDeoptId)); |
| 18 | 18 |
| 19 // When precompiling, we only use pc descriptors for exceptions. | 19 // When precompiling, we only use pc descriptors for exceptions. |
| 20 if (Compiler::allow_recompilation() || try_index != -1) { | 20 if (Compiler::allow_recompilation() || try_index != -1) { |
| 21 intptr_t merged_kind_try = | 21 intptr_t merged_kind_try = |
| 22 RawPcDescriptors::MergedKindTry::Encode(kind, try_index); | 22 RawPcDescriptors::MergedKindTry::Encode(kind, try_index); |
| 23 | 23 |
| 24 PcDescriptors::EncodeInteger(&encoded_data_, merged_kind_try); | 24 PcDescriptors::EncodeInteger(&encoded_data_, merged_kind_try); |
| 25 PcDescriptors::EncodeInteger(&encoded_data_, pc_offset - prev_pc_offset); | 25 PcDescriptors::EncodeInteger(&encoded_data_, pc_offset - prev_pc_offset); |
| 26 PcDescriptors::EncodeInteger(&encoded_data_, deopt_id - prev_deopt_id); | 26 PcDescriptors::EncodeInteger(&encoded_data_, deopt_id - prev_deopt_id); |
| 27 PcDescriptors::EncodeInteger(&encoded_data_, token_pos - prev_token_pos); | 27 PcDescriptors::EncodeInteger(&encoded_data_, |
| 28 token_pos.value() - prev_token_pos); |
| 28 | 29 |
| 29 prev_pc_offset = pc_offset; | 30 prev_pc_offset = pc_offset; |
| 30 prev_deopt_id = deopt_id; | 31 prev_deopt_id = deopt_id; |
| 31 prev_token_pos = token_pos; | 32 prev_token_pos = token_pos.value(); |
| 32 } | 33 } |
| 33 } | 34 } |
| 34 | 35 |
| 35 | 36 |
| 36 RawPcDescriptors* DescriptorList::FinalizePcDescriptors(uword entry_point) { | 37 RawPcDescriptors* DescriptorList::FinalizePcDescriptors(uword entry_point) { |
| 37 if (encoded_data_.length() == 0) { | 38 if (encoded_data_.length() == 0) { |
| 38 return Object::empty_descriptors().raw(); | 39 return Object::empty_descriptors().raw(); |
| 39 } | 40 } |
| 40 return PcDescriptors::New(&encoded_data_); | 41 return PcDescriptors::New(&encoded_data_); |
| 41 } | 42 } |
| 42 | 43 |
| 43 | 44 |
| 44 | 45 |
| 45 void CodeSourceMapBuilder::AddEntry(intptr_t pc_offset, | 46 void CodeSourceMapBuilder::AddEntry(intptr_t pc_offset, |
| 46 intptr_t token_pos) { | 47 TokenDescriptor token_pos) { |
| 47 CodeSourceMap::EncodeInteger(&encoded_data_, pc_offset - prev_pc_offset); | 48 CodeSourceMap::EncodeInteger(&encoded_data_, pc_offset - prev_pc_offset); |
| 48 CodeSourceMap::EncodeInteger(&encoded_data_, token_pos - prev_token_pos); | 49 CodeSourceMap::EncodeInteger(&encoded_data_, |
| 50 token_pos.value() - prev_token_pos); |
| 49 | 51 |
| 50 prev_pc_offset = pc_offset; | 52 prev_pc_offset = pc_offset; |
| 51 prev_token_pos = token_pos; | 53 prev_token_pos = token_pos.value(); |
| 52 } | 54 } |
| 53 | 55 |
| 54 | 56 |
| 55 RawCodeSourceMap* CodeSourceMapBuilder::Finalize() { | 57 RawCodeSourceMap* CodeSourceMapBuilder::Finalize() { |
| 56 return CodeSourceMap::New(&encoded_data_); | 58 return CodeSourceMap::New(&encoded_data_); |
| 57 } | 59 } |
| 58 | 60 |
| 59 | 61 |
| 60 void StackmapTableBuilder::AddEntry(intptr_t pc_offset, | 62 void StackmapTableBuilder::AddEntry(intptr_t pc_offset, |
| 61 BitmapBuilder* bitmap, | 63 BitmapBuilder* bitmap, |
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| 129 list_[i].needs_stacktrace, | 131 list_[i].needs_stacktrace, |
| 130 has_catch_all); | 132 has_catch_all); |
| 131 handlers.SetHandledTypes(i, *list_[i].handler_types); | 133 handlers.SetHandledTypes(i, *list_[i].handler_types); |
| 132 } | 134 } |
| 133 } | 135 } |
| 134 return handlers.raw(); | 136 return handlers.raw(); |
| 135 } | 137 } |
| 136 | 138 |
| 137 | 139 |
| 138 } // namespace dart | 140 } // namespace dart |
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