diff options
Diffstat (limited to 'compiler/optimizing/code_generator.cc')
| -rw-r--r-- | compiler/optimizing/code_generator.cc | 70 |
1 files changed, 31 insertions, 39 deletions
diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc index 049b3e3a40..130f0e970f 100644 --- a/compiler/optimizing/code_generator.cc +++ b/compiler/optimizing/code_generator.cc @@ -508,19 +508,14 @@ void CodeGenerator::BuildNativeGCMap( dex_compilation_unit.GetVerifiedMethod()->GetDexGcMap(); verifier::DexPcToReferenceMap dex_gc_map(&(gc_map_raw)[0]); - uint32_t max_native_offset = 0; - for (size_t i = 0; i < pc_infos_.Size(); i++) { - uint32_t native_offset = pc_infos_.Get(i).native_pc; - if (native_offset > max_native_offset) { - max_native_offset = native_offset; - } - } - - GcMapBuilder builder(data, pc_infos_.Size(), max_native_offset, dex_gc_map.RegWidth()); - for (size_t i = 0; i < pc_infos_.Size(); i++) { - struct PcInfo pc_info = pc_infos_.Get(i); - uint32_t native_offset = pc_info.native_pc; - uint32_t dex_pc = pc_info.dex_pc; + uint32_t max_native_offset = stack_map_stream_.ComputeMaxNativePcOffset(); + + size_t num_stack_maps = stack_map_stream_.GetNumberOfStackMaps(); + GcMapBuilder builder(data, num_stack_maps, max_native_offset, dex_gc_map.RegWidth()); + for (size_t i = 0; i != num_stack_maps; ++i) { + const StackMapStream::StackMapEntry& stack_map_entry = stack_map_stream_.GetStackMap(i); + uint32_t native_offset = stack_map_entry.native_pc_offset; + uint32_t dex_pc = stack_map_entry.dex_pc; const uint8_t* references = dex_gc_map.FindBitMap(dex_pc, false); CHECK(references != nullptr) << "Missing ref for dex pc 0x" << std::hex << dex_pc; builder.AddEntry(native_offset, references); @@ -528,17 +523,17 @@ void CodeGenerator::BuildNativeGCMap( } void CodeGenerator::BuildSourceMap(DefaultSrcMap* src_map) const { - for (size_t i = 0; i < pc_infos_.Size(); i++) { - struct PcInfo pc_info = pc_infos_.Get(i); - uint32_t pc2dex_offset = pc_info.native_pc; - int32_t pc2dex_dalvik_offset = pc_info.dex_pc; + for (size_t i = 0, num = stack_map_stream_.GetNumberOfStackMaps(); i != num; ++i) { + const StackMapStream::StackMapEntry& stack_map_entry = stack_map_stream_.GetStackMap(i); + uint32_t pc2dex_offset = stack_map_entry.native_pc_offset; + int32_t pc2dex_dalvik_offset = stack_map_entry.dex_pc; src_map->push_back(SrcMapElem({pc2dex_offset, pc2dex_dalvik_offset})); } } void CodeGenerator::BuildMappingTable(std::vector<uint8_t>* data) const { uint32_t pc2dex_data_size = 0u; - uint32_t pc2dex_entries = pc_infos_.Size(); + uint32_t pc2dex_entries = stack_map_stream_.GetNumberOfStackMaps(); uint32_t pc2dex_offset = 0u; int32_t pc2dex_dalvik_offset = 0; uint32_t dex2pc_data_size = 0u; @@ -547,11 +542,11 @@ void CodeGenerator::BuildMappingTable(std::vector<uint8_t>* data) const { int32_t dex2pc_dalvik_offset = 0; for (size_t i = 0; i < pc2dex_entries; i++) { - struct PcInfo pc_info = pc_infos_.Get(i); - pc2dex_data_size += UnsignedLeb128Size(pc_info.native_pc - pc2dex_offset); - pc2dex_data_size += SignedLeb128Size(pc_info.dex_pc - pc2dex_dalvik_offset); - pc2dex_offset = pc_info.native_pc; - pc2dex_dalvik_offset = pc_info.dex_pc; + const StackMapStream::StackMapEntry& stack_map_entry = stack_map_stream_.GetStackMap(i); + pc2dex_data_size += UnsignedLeb128Size(stack_map_entry.native_pc_offset - pc2dex_offset); + pc2dex_data_size += SignedLeb128Size(stack_map_entry.dex_pc - pc2dex_dalvik_offset); + pc2dex_offset = stack_map_entry.native_pc_offset; + pc2dex_dalvik_offset = stack_map_entry.dex_pc; } // Walk over the blocks and find which ones correspond to catch block entries. @@ -586,12 +581,12 @@ void CodeGenerator::BuildMappingTable(std::vector<uint8_t>* data) const { dex2pc_dalvik_offset = 0u; for (size_t i = 0; i < pc2dex_entries; i++) { - struct PcInfo pc_info = pc_infos_.Get(i); - DCHECK(pc2dex_offset <= pc_info.native_pc); - write_pos = EncodeUnsignedLeb128(write_pos, pc_info.native_pc - pc2dex_offset); - write_pos = EncodeSignedLeb128(write_pos, pc_info.dex_pc - pc2dex_dalvik_offset); - pc2dex_offset = pc_info.native_pc; - pc2dex_dalvik_offset = pc_info.dex_pc; + const StackMapStream::StackMapEntry& stack_map_entry = stack_map_stream_.GetStackMap(i); + DCHECK(pc2dex_offset <= stack_map_entry.native_pc_offset); + write_pos = EncodeUnsignedLeb128(write_pos, stack_map_entry.native_pc_offset - pc2dex_offset); + write_pos = EncodeSignedLeb128(write_pos, stack_map_entry.dex_pc - pc2dex_dalvik_offset); + pc2dex_offset = stack_map_entry.native_pc_offset; + pc2dex_dalvik_offset = stack_map_entry.dex_pc; } for (size_t i = 0; i < graph_->GetBlocks().Size(); ++i) { @@ -617,9 +612,9 @@ void CodeGenerator::BuildMappingTable(std::vector<uint8_t>* data) const { auto it = table.PcToDexBegin(); auto it2 = table.DexToPcBegin(); for (size_t i = 0; i < pc2dex_entries; i++) { - struct PcInfo pc_info = pc_infos_.Get(i); - CHECK_EQ(pc_info.native_pc, it.NativePcOffset()); - CHECK_EQ(pc_info.dex_pc, it.DexPc()); + const StackMapStream::StackMapEntry& stack_map_entry = stack_map_stream_.GetStackMap(i); + CHECK_EQ(stack_map_entry.native_pc_offset, it.NativePcOffset()); + CHECK_EQ(stack_map_entry.dex_pc, it.DexPc()); ++it; } for (size_t i = 0; i < graph_->GetBlocks().Size(); ++i) { @@ -695,14 +690,11 @@ void CodeGenerator::RecordPcInfo(HInstruction* instruction, } // Collect PC infos for the mapping table. - struct PcInfo pc_info; - pc_info.dex_pc = outer_dex_pc; - pc_info.native_pc = GetAssembler()->CodeSize(); - pc_infos_.Add(pc_info); + uint32_t native_pc = GetAssembler()->CodeSize(); if (instruction == nullptr) { // For stack overflow checks. - stack_map_stream_.BeginStackMapEntry(pc_info.dex_pc, pc_info.native_pc, 0, 0, 0, 0); + stack_map_stream_.BeginStackMapEntry(outer_dex_pc, native_pc, 0, 0, 0, 0); stack_map_stream_.EndStackMapEntry(); return; } @@ -719,8 +711,8 @@ void CodeGenerator::RecordPcInfo(HInstruction* instruction, } // The register mask must be a subset of callee-save registers. DCHECK_EQ(register_mask & core_callee_save_mask_, register_mask); - stack_map_stream_.BeginStackMapEntry(pc_info.dex_pc, - pc_info.native_pc, + stack_map_stream_.BeginStackMapEntry(outer_dex_pc, + native_pc, register_mask, locations->GetStackMask(), outer_environment_size, |