/* * Copyright ( C ) 2014 The Android Open Source Project * * Licensed under the Apache License , Version 2 . 0 ( the " License " ) ; * you may not use this file except in compliance with the License . * You may obtain a copy of the License at * * http : //www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing , software * distributed under the License is distributed on an " AS IS " BASIS , * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied . * See the License for the specific language governing permissions and * limitations under the License . #include "oat/stack_map.h" #include "art_method.h" #include "base/arena_bit_vector.h" #include "base/macros.h" #include "base/calloc_arena_pool.h" #include "stack_map_stream.h" #include "gtest/gtest.h" namespace art HIDDEN {// Check that the stack mask of given stack map is identical // to the given bit vector. Returns true if they are same. static bool CheckStackMask(const CodeInfo& code_info,const StackMap& stack_map,const BitVector& bit_vector) {if (bit_vector.GetNumberOfBits() > stack_mask.size_in_bits()) {return false ;for (size_t i = 0 ; i < stack_mask.size_in_bits(); ++i) {if (stack_mask.LoadBit(i) != bit_vector.IsBitSet(i)) {return false ;return true ;using Kind = DexRegisterLocation::Kind;static uint32_t kPcAlign = GetInstructionSetInstructionAlignment(kRuntimeISA);/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , false );2 ;0 , 64 * kPcAlign, 0 x3, &sp_mask);0 ); // Short location. 2 ); // Short location. 64 * kPcAlign);1 u, code_info.GetNumberOfStackMaps());2 u, number_of_catalog_entries);0 );0 )));64 * kPcAlign)));0 u, stack_map.GetDexPc());64 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x3u, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());0 , dex_register_map[0 ].GetStackOffsetInBytes());2 , dex_register_map[1 ].GetConstant());0 );1 );0 , location0.GetValue());2 , location1.GetValue());/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , true );2 );4 );2 ;0 ;0 , 64 * kPcAlign, 0 x3, &sp_mask1);0 ); // Short location. 2 ); // Large location. 3 , number_of_dex_registers_in_inline_info);2 , number_of_dex_registers_in_inline_info);0 , true );3 );8 );1 , 128 * kPcAlign, 0 xFF, &sp_mask2);18 ); // Short location. 3 ); // Short location. 0 , true );1 );5 );2 , 192 * kPcAlign, 0 xAB, &sp_mask3);6 ); // Short location. 8 ); // Short location. 0 , true );6 );7 );3 , 256 * kPcAlign, 0 xCD, &sp_mask4);3 ); // Short location, same in stack map 2. 1 ); // Short location. 256 * kPcAlign);4 u, code_info.GetNumberOfStackMaps());7 u, number_of_catalog_entries);// First stack map. 0 );0 )));64 * kPcAlign)));0 u, stack_map.GetDexPc());64 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x3u, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());0 , dex_register_map[0 ].GetStackOffsetInBytes());2 , dex_register_map[1 ].GetConstant());0 );1 );0 , location0.GetValue());2 , location1.GetValue());auto inline_infos = code_info.GetInlineInfosOf(stack_map);2 u, inline_infos.size());3 u, inline_infos[0 ].GetDexPc());2 u, inline_infos[1 ].GetDexPc());0 ].EncodesArtMethod());1 ].EncodesArtMethod());// Second stack map. 1 );1 u)));128 u * kPcAlign)));1 u, stack_map.GetDexPc());128 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 xFFu, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());18 , dex_register_map[0 ].GetMachineRegister());3 , dex_register_map[1 ].GetMachineRegister());2 );3 );18 , location0.GetValue());3 , location1.GetValue());// Third stack map. 2 );2 u)));192 u * kPcAlign)));2 u, stack_map.GetDexPc());192 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 xABu, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());6 , dex_register_map[0 ].GetMachineRegister());8 , dex_register_map[1 ].GetMachineRegister());4 );5 );6 , location0.GetValue());8 , location1.GetValue());// Fourth stack map. 3 );3 u)));256 u * kPcAlign)));3 u, stack_map.GetDexPc());256 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 xCDu, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());3 , dex_register_map[0 ].GetMachineRegister());1 , dex_register_map[1 ].GetMachineRegister());3 );6 );3 , location0.GetValue());1 , location1.GetValue());/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , true );2 );4 );const size_t number_of_dex_registers = 2 ;const size_t number_of_dex_registers_in_inline_info = 2 ;0 , 64 * kPcAlign, 0 x3, &sp_mask1);0 ); // Short location. 2 ); // Large location. 3 , number_of_dex_registers_in_inline_info);0 ); // Short location. 2 ); // Large location. 64 * kPcAlign);1 u, code_info.GetNumberOfStackMaps());2 u, number_of_catalog_entries);// First stack map. 0 );0 )));64 * kPcAlign)));0 u, stack_map.GetDexPc());64 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x3u, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());2 u, map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());0 , map[0 ].GetStackOffsetInBytes());2 , map[1 ].GetConstant());0 );1 );0 , location0.GetValue());2 , location1.GetValue());/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , false );2 ;0 , 64 * kPcAlign, 0 x3, &sp_mask);0 ); // No location. 2 ); // Large location. 64 * kPcAlign);1 u, code_info.GetNumberOfStackMaps());1 u, number_of_catalog_entries);0 );0 )));64 * kPcAlign)));0 u, stack_map.GetDexPc());64 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x3u, code_info.GetRegisterMaskOf(stack_map));0 ].IsLive());1 ].IsLive());1 u, dex_register_map.GetNumberOfLiveDexRegisters());0 ].GetKind());1 ].GetKind());2 , dex_register_map[1 ].GetConstant());0 );2 , location1.GetValue());/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , false );2 ;// First stack map. 0 , 64 * kPcAlign, 0 x3, &sp_mask);0 ); // Short location. 2 ); // Large location. // Second stack map, which should share the same dex register map. 0 , 65 * kPcAlign, 0 x3, &sp_mask);0 ); // Short location. 2 ); // Large location. // Third stack map (doesn't share the dex register map). 0 , 66 * kPcAlign, 0 x3, &sp_mask);2 ); // Short location. 2 ); // Large location. 66 * kPcAlign);// Verify first stack map. 0 );0 , dex_registers0[0 ].GetMachineRegister());2 , dex_registers0[1 ].GetConstant());// Verify second stack map. 1 );0 , dex_registers1[0 ].GetMachineRegister());2 , dex_registers1[1 ].GetConstant());// Verify third stack map. 2 );2 , dex_registers2[0 ].GetMachineRegister());2 , dex_registers2[1 ].GetConstant());// Verify dex register mask offsets. // No delta. // Has delta. /* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 1, /* baseline= */ false, /* debuggable= */ false); 0 , false );0 , 64 * kPcAlign, 0 x3, &sp_mask);1 , 68 * kPcAlign, 0 x4, &sp_mask);0 );68 * kPcAlign);2 u, code_info.GetNumberOfStackMaps());0 u, number_of_catalog_entries);0 );0 )));64 * kPcAlign)));0 u, stack_map.GetDexPc());64 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x3u, code_info.GetRegisterMaskOf(stack_map));1 );1 )));68 * kPcAlign)));1 u, stack_map.GetDexPc());68 u * kPcAlign, stack_map.GetNativePcOffset(kRuntimeISA));0 x4u, code_info.GetRegisterMaskOf(stack_map));/* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 2, /* baseline= */ false, /* debuggable= */ false); 0 , true );2 );4 );// First stack map. 0 , 10 * kPcAlign, 0 x3, &sp_mask1);0 );4 );2 , 1 );8 );3 , 3 );16 );20 );15 );// Second stack map. 2 , 22 * kPcAlign, 0 x3, &sp_mask1);56 );0 );2 , 1 );12 );3 , 3 );80 );10 );5 );5 , 0 );// Third stack map. 4 , 56 * kPcAlign, 0 x3, &sp_mask1);0 );4 );// Fourth stack map. 6 , 78 * kPcAlign, 0 x3, &sp_mask1);56 );0 );2 , 0 );5 , 1 );2 );10 , 2 );0 );3 );78 * kPcAlign);// Verify first stack map. 0 );2 u, dex_registers0.size());0 , dex_registers0[0 ].GetStackOffsetInBytes());4 , dex_registers0[1 ].GetConstant());auto inline_infos = ci.GetInlineInfosOf(sm0);2 u, inline_infos.size());2 u, inline_infos[0 ].GetDexPc());0 ].EncodesArtMethod());3 u, inline_infos[1 ].GetDexPc());1 ].EncodesArtMethod());0 ]);1 u, dex_registers1.size());8 , dex_registers1[0 ].GetStackOffsetInBytes());1 ]);3 u, dex_registers2.size());16 , dex_registers2[0 ].GetStackOffsetInBytes());20 , dex_registers2[1 ].GetConstant());15 , dex_registers2[2 ].GetMachineRegister());// Verify second stack map. 1 );2 u, dex_registers0.size());56 , dex_registers0[0 ].GetStackOffsetInBytes());0 , dex_registers0[1 ].GetConstant());auto inline_infos = ci.GetInlineInfosOf(sm1);3 u, inline_infos.size());2 u, inline_infos[0 ].GetDexPc());0 ].EncodesArtMethod());3 u, inline_infos[1 ].GetDexPc());1 ].EncodesArtMethod());5 u, inline_infos[2 ].GetDexPc());2 ].EncodesArtMethod());0 ]);1 u, dex_registers1.size());12 , dex_registers1[0 ].GetStackOffsetInBytes());1 ]);3 u, dex_registers2.size());80 , dex_registers2[0 ].GetStackOffsetInBytes());10 , dex_registers2[1 ].GetConstant());5 , dex_registers2[2 ].GetMachineRegister());// Verify third stack map. 2 );2 u, dex_registers0.size());0 ].IsLive());4 , dex_registers0[1 ].GetConstant());// Verify fourth stack map. 3 );2 u, dex_registers0.size());56 , dex_registers0[0 ].GetStackOffsetInBytes());0 , dex_registers0[1 ].GetConstant());auto inline_infos = ci.GetInlineInfosOf(sm3);3 u, inline_infos.size());2 u, inline_infos[0 ].GetDexPc());0 ].EncodesArtMethod());5 u, inline_infos[1 ].GetDexPc());1 ].EncodesArtMethod());10 u, inline_infos[2 ].GetDexPc());2 ].EncodesArtMethod());1 ]);1 u, dex_registers1.size());2 , dex_registers1[0 ].GetMachineRegister());2 ]);2 u, dex_registers2.size());0 ].IsLive());3 , dex_registers2[1 ].GetMachineRegister());// Test minimum alignments, and decoding. /* frame_size_in_bytes= */ 32, /* core_spill_mask= */ 0, /* fp_spill_mask= */ 0, /* num_dex_registers= */ 0, /* baseline= */ false, /* debuggable= */ false); 0 , true );1 );4 );0 , 4 * kPcAlign, 0 x3, &sp_mask);0 , 8 * kPcAlign, 0 x3, &sp_mask);8 * kPcAlign);2 u, code_info.GetNumberOfStackMaps());4 * kPcAlign);8 * kPcAlign);// namespace art
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