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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/wasm/wasm-debug.h" | 5 #include "src/wasm/wasm-debug.h" |
6 | 6 |
7 #include "src/assert-scope.h" | 7 #include "src/assert-scope.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/factory.h" | 9 #include "src/factory.h" |
10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
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25 }; | 25 }; |
26 | 26 |
27 ByteArray *GetOrCreateFunctionOffsetTable(Handle<WasmDebugInfo> debug_info) { | 27 ByteArray *GetOrCreateFunctionOffsetTable(Handle<WasmDebugInfo> debug_info) { |
28 Object *offset_table = debug_info->get(kWasmDebugInfoFunctionByteOffsets); | 28 Object *offset_table = debug_info->get(kWasmDebugInfoFunctionByteOffsets); |
29 Isolate *isolate = debug_info->GetIsolate(); | 29 Isolate *isolate = debug_info->GetIsolate(); |
30 if (!offset_table->IsUndefined(isolate)) return ByteArray::cast(offset_table); | 30 if (!offset_table->IsUndefined(isolate)) return ByteArray::cast(offset_table); |
31 | 31 |
32 FunctionOffsetsResult function_offsets; | 32 FunctionOffsetsResult function_offsets; |
33 { | 33 { |
34 DisallowHeapAllocation no_gc; | 34 DisallowHeapAllocation no_gc; |
| 35 Handle<JSObject> wasm_object(debug_info->wasm_object(), isolate); |
| 36 uint32_t num_imported_functions = |
| 37 wasm::GetNumImportedFunctions(wasm_object); |
35 SeqOneByteString *wasm_bytes = | 38 SeqOneByteString *wasm_bytes = |
36 wasm::GetWasmBytes(debug_info->wasm_object()); | 39 wasm::GetWasmBytes(debug_info->wasm_object()); |
37 const byte *bytes_start = wasm_bytes->GetChars(); | 40 const byte *bytes_start = wasm_bytes->GetChars(); |
38 const byte *bytes_end = bytes_start + wasm_bytes->length(); | 41 const byte *bytes_end = bytes_start + wasm_bytes->length(); |
39 function_offsets = wasm::DecodeWasmFunctionOffsets(bytes_start, bytes_end); | 42 function_offsets = wasm::DecodeWasmFunctionOffsets(bytes_start, bytes_end, |
| 43 num_imported_functions); |
40 } | 44 } |
41 DCHECK(function_offsets.ok()); | 45 DCHECK(function_offsets.ok()); |
42 size_t array_size = 2 * kIntSize * function_offsets.val.size(); | 46 size_t array_size = 2 * kIntSize * function_offsets.val.size(); |
43 CHECK_LE(array_size, static_cast<size_t>(kMaxInt)); | 47 CHECK_LE(array_size, static_cast<size_t>(kMaxInt)); |
44 ByteArray *arr = | 48 ByteArray *arr = |
45 *isolate->factory()->NewByteArray(static_cast<int>(array_size)); | 49 *isolate->factory()->NewByteArray(static_cast<int>(array_size)); |
46 int idx = 0; | 50 int idx = 0; |
47 for (std::pair<int, int> p : function_offsets.val) { | 51 for (std::pair<int, int> p : function_offsets.val) { |
48 arr->set_int(idx++, p.first); | 52 arr->set_int(idx++, p.first); |
49 arr->set_int(idx++, p.second); | 53 arr->set_int(idx++, p.second); |
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225 int idx = 0; | 229 int idx = 0; |
226 for (std::tuple<uint32_t, int, int> elem : offset_table_vec) { | 230 for (std::tuple<uint32_t, int, int> elem : offset_table_vec) { |
227 offset_table->set(idx++, Smi::FromInt(std::get<0>(elem))); | 231 offset_table->set(idx++, Smi::FromInt(std::get<0>(elem))); |
228 offset_table->set(idx++, Smi::FromInt(std::get<1>(elem))); | 232 offset_table->set(idx++, Smi::FromInt(std::get<1>(elem))); |
229 offset_table->set(idx++, Smi::FromInt(std::get<2>(elem))); | 233 offset_table->set(idx++, Smi::FromInt(std::get<2>(elem))); |
230 } | 234 } |
231 DCHECK_EQ(idx, offset_table->length()); | 235 DCHECK_EQ(idx, offset_table->length()); |
232 | 236 |
233 return offset_table; | 237 return offset_table; |
234 } | 238 } |
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