/* * Copyright ( C ) 2015 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 "dwarf_test.h" #include "dwarf/debug_frame_opcode_writer.h" #include "dwarf/debug_info_entry_writer.h" #include "dwarf/debug_line_opcode_writer.h" #include "dwarf/dwarf_constants.h" #include "dwarf/headers.h" #include "gtest/gtest.h" namespace art HIDDEN {namespace dwarf {// Run the tests only on host since we need objdump. #ifndef ART_TARGET_ANDROIDconst InstructionSet isa = InstructionSet::kX86;const bool is64bit = Is64BitInstructionSet(isa);// Pick offset value which would catch Uleb vs Sleb errors. const int offset = 40000 ;4 ), 2 u);4 ), 3 u);const Reg reg(6 );// Test the opcodes in the order mentioned in the spec. // There are usually several encoding variations of each opcode. ".debug_frame contents:" );"FDE" );"DWARF32" );int pc = 0 ;for (int i : {0 , 1 , 0 x3F, 0 x40, 0 xFF, 0 x100, 0 xFFFF, 0 x10000}) {"DW_CFA_advance_loc: 1" );"DW_CFA_advance_loc: 63" );"DW_CFA_advance_loc1: 64" );"DW_CFA_advance_loc1: 255" );"DW_CFA_advance_loc2: 256" );"DW_CFA_advance_loc2: 65535" );"DW_CFA_advance_loc4: 65536" );"DW_CFA_def_cfa: ESI +40000" );"DW_CFA_def_cfa_sf: ESI -40000" );"DW_CFA_def_cfa_register: ESI" );"DW_CFA_def_cfa_offset: +40000" );"DW_CFA_def_cfa_offset_sf: -40000" );/*nop*/ 0x96 }; "DW_CFA_def_cfa_expression: DW_OP_nop" );"DW_CFA_undefined: ESI" );"DW_CFA_same_value: ESI" );0 x3F), -offset);"DW_CFA_offset: reg63 -40000" );0 x40), -offset);"DW_CFA_offset_extended: reg64 -40000" );0 x40), offset);"DW_CFA_offset_extended_sf: reg64 40000" );"DW_CFA_val_offset: ESI -40000" );"DW_CFA_val_offset_sf: ESI 40000" );Register (reg, Reg(1 ));"DW_CFA_register: ESI ECX" );"DW_CFA_expression: ESI DW_OP_nop" );"DW_CFA_val_expression: ESI DW_OP_nop" );0 x3F));"DW_CFA_restore: reg63" );0 x40));"DW_CFA_restore_extended: reg64" );"DW_CFA_restore: ESI" );"DW_CFA_remember_state:" );"DW_CFA_restore_state:" );"DW_CFA_nop:" );// Also test helpers. 4 ), 100 ); // ESP "DW_CFA_def_cfa: ESP +100" );8 );"DW_CFA_def_cfa_offset: +108" );0 ), 0 ); // push R0 "DW_CFA_offset: EAX -108" );1 ), 4 ); // push R1 "DW_CFA_offset: ECX -104" );2 ), 8 , 1 | (1 << 3 ), 4 ); // push R2 and R5 "DW_CFA_offset: EDX -100" );"DW_CFA_offset: EBP -96" );2 ), 1 | (1 << 3 )); // pop R2 and R5 "DW_CFA_restore: EDX" );"DW_CFA_restore: EBP" );16 : 8 ), initial_opcodes, &debug_frame_data_);/* cie_pointer= */ 0, 0 x01000000,0 x01000000,const uint8_t>(*opcodes.data()),"-debug-frame" );const InstructionSet isa = InstructionSet::kX86_64;const bool is64bit = Is64BitInstructionSet(isa);16 ), initial_opcodes, &debug_frame_data_);".debug_frame contents:" );/* cie_pointer= */ 0, 0 x0100000000000000,0 x0200000000000000,const uint8_t>(*opcodes.data()),"FDE cie=00000000 pc=100000000000000..300000000000000" );"-debug-frame" );// Test x86_64 register mapping. It is the only non-trivial architecture. // ARM and X86 have: dwarf_reg = art_reg + constant. const InstructionSet isa = InstructionSet::kX86_64;const bool is64bit = Is64BitInstructionSet(isa);".debug_frame contents:" );for (int i = 0 ; i < 16 ; i++) {0 );"FDE" );"DWARF32" );"DW_CFA_offset: RAX 0" );"DW_CFA_offset: RCX 0" );"DW_CFA_offset: RDX 0" );"DW_CFA_offset: RBX 0" );"DW_CFA_offset: RSP 0" );"DW_CFA_offset: RBP 0" );"DW_CFA_offset: RSI 0" );"DW_CFA_offset: RDI 0" );"DW_CFA_offset: R8 0" );"DW_CFA_offset: R9 0" );"DW_CFA_offset: R10 0" );"DW_CFA_offset: R11 0" );"DW_CFA_offset: R12 0" );"DW_CFA_offset: R13 0" );"DW_CFA_offset: R14 0" );"DW_CFA_offset: R15 0" );16 ), initial_opcodes, &debug_frame_data_);/* cie_pointer= */ 0, 0 x0100000000000000,0 x0200000000000000,const uint8_t>(*opcodes.data()),"-debug-frame" );const InstructionSet isa = InstructionSet::kX86;const bool is64bit = Is64BitInstructionSet(isa);const int code_factor_bits = 1 ;".debug_line contents:" );"/path/to/source" );"include_directories[ 1] = \" /path/to/source\"" );"file0.c" , 0 , 1000 , 2000 },"file1.c" , 1 , 1000 , 2000 },"file2.c" , 1 , 1000 , 2000 },"file_names[ 1]:" );" name: \" file0.c\"" );" dir_index: 0" );" mod_time: 0x000003e8" );" length: 0x000007d0" );"file_names[ 2]:" );" name: \" file1.c\"" );" dir_index: 1" );" mod_time: 0x000003e8" );" length: 0x000007d0" );"file_names[ 3]:" );" name: \" file2.c\"" );" dir_index: 1" );" mod_time: 0x000003e8" );" length: 0x000007d0" );0 x01000000);true );0 x01000100);2 );3 );4 );false );5 );"file.c" , 0 , 1000 , 2000 );"Address Line Column File ISA Discriminator OpIndex Flags" );"------------------ ------ ------ ------ --- ------------- ------- -------------" );"0x0000000001000000 1 0 1 0 0 0 is_stmt" );"0x0000000001000100 3 4 2 5 0 0 basic_block prologue_end epilogue_begin end_sequence" );"-debug-line" );// DWARF has special one byte codes which advance PC and line at the same time. const InstructionSet isa = InstructionSet::kX86;const bool is64bit = Is64BitInstructionSet(isa);const int code_factor_bits = 1 ;0 x01000000;int line = 1 ;0 ;".debug_line contents:" );"file_names[ 1]:" );" name: \" file.c\"" );"Address Line Column File ISA Discriminator OpIndex Flags" );"------------------ ------ ------ ------ --- ------------- ------- -------------" );for (int addr_delta = 0 ; addr_delta < 80 ; addr_delta += 2 ) {for (int line_delta = 16 ; line_delta >= -16 ; --line_delta) {char expected[1024 ];"0x%016x %6i 0 1 0 0 0" , pc, line);3 );"file.c" , 0 , 1000 , 2000 } };"-debug-line" );const InstructionSet isa = InstructionSet::kX86;const bool is64bit = Is64BitInstructionSet(isa);".debug_abbrev contents:" );"Abbrev table for offset: 0x00000000" );"[1] DW_TAG_compile_unit DW_CHILDREN_yes" );" DW_AT_producer DW_FORM_strp" );" DW_AT_low_pc DW_FORM_addr" );" DW_AT_high_pc DW_FORM_addr" );"[2] DW_TAG_subprogram DW_CHILDREN_no" );" DW_AT_name DW_FORM_strp" );" DW_AT_low_pc DW_FORM_addr" );" DW_AT_high_pc DW_FORM_addr" );"[3] DW_TAG_compile_unit DW_CHILDREN_no" );".debug_info contents:" );"Compile Unit: length = 0x00000030, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04" );"DW_TAG_compile_unit" );"Compiler name" , &debug_str_data_);" DW_AT_producer (\" Compiler name\")" );0 x01000000);" DW_AT_low_pc (0x01000000)" );0 x02000000);" DW_AT_high_pc (0x02000000)" );" DW_TAG_subprogram" );"Foo" , &debug_str_data_);" DW_AT_name (\" Foo\")" );0 x01010000);" DW_AT_low_pc (0x01010000)" );0 x01020000);" DW_AT_high_pc (0x01020000)" );// DW_TAG_subprogram " DW_TAG_subprogram" );"Bar" , &debug_str_data_);" DW_AT_name (\" Bar\")" );0 x01020000);" DW_AT_low_pc (0x01020000)" );0 x01030000);" DW_AT_high_pc (0x01030000)" );// DW_TAG_subprogram // DW_TAG_compile_unit " NULL" );// Test that previous list was properly terminated and empty children. // DW_TAG_compile_unit /* debug_abbrev_offset= */ 0, info, &debug_info_data_); "-debug-info -debug-abbrev" );#endif // ART_TARGET_ANDROID // namespace dwarf // namespace art
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