# Test object to verify that dwarfdump handles dwp files with DWARF v5 string # offset tables. We have 2 CUs and 2 TUs, where it is assumed that # CU1 and TU1 came from one object file, CU2 and TU2 from a second object # file. # # To generate the test object: # llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets-dwp.s -filetype=obj \ # -o dwarfdump-str_offsets-dwp.x86_64.o .section .debug_str.dwo,"MS",@progbits,1 str_producer: .asciz "Handmade DWARF producer" str_CU1: .asciz "Compile_Unit_1" str_CU1_dir: .asciz "/home/test/CU1" str_CU2: .asciz "Compile_Unit_2" str_CU2_dir: .asciz "/home/test/CU2" str_TU1: .asciz "Type_Unit_1" str_TU1_type: .asciz "MyStruct_1" str_TU2: .asciz "Type_Unit_2" str_TU2_type: .asciz "MyStruct_2" .section .debug_str_offsets.dwo,"",@progbits # Object files 1's portion of the .debug_str_offsets.dwo section. .debug_str_offsets_object_file1: # CU1's contribution (from object file 1) .debug_str_offsets_start_CU1: .long .debug_str_offsets_end_CU1-.debug_str_offsets_base_CU1 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_CU1: .long str_producer-.debug_str.dwo .long str_CU1-.debug_str.dwo .long str_CU1_dir-.debug_str.dwo .debug_str_offsets_end_CU1: # TU1's contribution (from object file 1) .debug_str_offsets_start_TU1: .long .debug_str_offsets_end_TU1-.debug_str_offsets_base_TU1 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_TU1: .long str_TU1-.debug_str.dwo .long str_TU1_type-.debug_str.dwo .debug_str_offsets_end_TU1: # Object files 2's portion of the .debug_str_offsets.dwo section. .debug_str_offsets_object_file2: # CU2's contribution (from object file 2) .debug_str_offsets_start_CU2: .long .debug_str_offsets_end_CU2-.debug_str_offsets_base_CU2 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_CU2: .long str_producer-.debug_str.dwo .long str_CU2-.debug_str.dwo .long str_CU2_dir-.debug_str.dwo .debug_str_offsets_end_CU2: # TU2's contribution (from object file 2) .debug_str_offsets_start_TU2: .long .debug_str_offsets_end_TU2-.debug_str_offsets_base_TU2 .short 5 # DWARF version .short 0 # Padding .debug_str_offsets_base_TU2: .long str_TU2-.debug_str.dwo .long str_TU2_type-.debug_str.dwo .debug_str_offsets_end_TU2: # Abbrevs are shared for all compile and type units .section .debug_abbrev.dwo,"",@progbits .byte 0x01 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x00 # DW_CHILDREN_no .byte 0x25 # DW_AT_producer .byte 0x1a # DW_FORM_strx .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x72 # DW_AT_str_offsets_base .byte 0x17 # DW_FORM_sec_offset .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x02 # Abbrev code .byte 0x41 # DW_TAG_type_unit .byte 0x01 # DW_CHILDREN_yes .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x72 # DW_AT_str_offsets_base .byte 0x17 # DW_FORM_sec_offset .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x03 # Abbrev code .byte 0x13 # DW_TAG_structure_type .byte 0x00 # DW_CHILDREN_no (no members) .byte 0x03 # DW_AT_name .byte 0x1a # DW_FORM_strx .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x00 # EOM(3) abbrev_end: .section .debug_info.dwo,"",@progbits # DWARF v5 CU header. CU1_5_start: .long CU1_5_end-CU1_5_version # Length of Unit CU1_5_version: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name, # DW_AT_str_offsets and DW_AT_compdir. .byte 1 # Abbreviation code .byte 0 # The index of the producer string .byte 1 # The index of the CU name string # The DW_AT_str_offsets_base attribute for CU1 contains the offset of CU1's # contribution relative to the start of object file 1's portion of the # .debug_str_offsets section. .long .debug_str_offsets_base_CU1-.debug_str_offsets_object_file1 .byte 2 # The index of the comp dir string .byte 0 # NULL CU1_5_end: CU2_5_start: .long CU2_5_end-CU2_5_version # Length of Unit CU2_5_version: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name, # DW_AT_str_offsets and DW_AT_compdir. .byte 1 # Abbreviation code .byte 0 # The index of the producer string .byte 1 # The index of the CU name string # The DW_AT_str_offsets_base attribute for CU2 contains the offset of CU2's # contribution relative to the start of object file 2's portion of the # .debug_str_offsets section. .long .debug_str_offsets_base_CU2-.debug_str_offsets_object_file2 .byte 2 # The index of the comp dir string .byte 0 # NULL CU2_5_end: .section .debug_types.dwo,"",@progbits # DWARF v5 Type unit header. TU1_5_start: .long TU1_5_end-TU1_5_version # Length of Unit TU1_5_version: .short 5 # DWARF version number .byte 2 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section .quad 0x0011223344556677 # Type Signature .long TU1_5_type-TU1_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 0 # Index of the unit type name string # The DW_AT_str_offsets_base attribute for TU1 contains the offset of TU1's # contribution relative to the start of object file 1's portion of the # .debug_str_offsets section. .long .debug_str_offsets_base_TU1-.debug_str_offsets_object_file1 # The type DIE, which has a name. TU1_5_type: .byte 3 # Abbreviation code .byte 1 # Index of the type name string .byte 0 # NULL .byte 0 # NULL TU1_5_end: TU2_5_start: .long TU2_5_end-TU2_5_version # Length of Unit TU2_5_version: .short 5 # DWARF version number .byte 2 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section .quad 0x00aabbccddeeff99 # Type Signature .long TU2_5_type-TU2_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 # Abbreviation code .byte 0 # Index of the unit type name string # The DW_AT_str_offsets_base attribute for TU2 contains the offset of TU2's # contribution relative to the start of object file 2's portion of the # .debug_str_offsets section. .long .debug_str_offsets_base_TU2-.debug_str_offsets_object_file2 # The type DIE, which has a name. TU2_5_type: .byte 3 # Abbreviation code .byte 1 # Index of the type name string .byte 0 # NULL .byte 0 # NULL TU2_5_end: .section .debug_cu_index,"",@progbits # The index header .long 2 # Version .long 3 # Columns of contribution matrix .long 2 # number of units .long 2 # number of hash buckets in table # The signatures for both CUs. .quad 0xddeeaaddbbaabbee # signature 1 .quad 0xff00ffeeffaaff00 # signature 2 # The indexes for both CUs. .long 1 # index 1 .long 2 # index 2 # The sections to which both CUs contribute. .long 1 # DW_SECT_INFO .long 3 # DW_SECT_ABBREV .long 6 # DW_SECT_STR_OFFSETS # The starting offsets of both CU's contributions to info, # abbrev and string offsets table. .long CU1_5_start-.debug_info.dwo .long 0 .long .debug_str_offsets_object_file1-.debug_str_offsets.dwo .long CU2_5_start-.debug_info.dwo .long 0 .long .debug_str_offsets_object_file2-.debug_str_offsets.dwo # The lengths of both CU's contributions to info, abbrev and # string offsets table. .long CU1_5_end-CU1_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_end_CU1-.debug_str_offsets_start_CU1 .long CU2_5_end-CU2_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_end_CU2-.debug_str_offsets_start_CU2 .section .debug_tu_index,"",@progbits # The index header .long 2 # Version .long 3 # Columns of contribution matrix .long 2 # number of units .long 2 # number of hash buckets in table # The signatures for both TUs. .quad 0xeeaaddbbaabbeedd # signature 1 .quad 0x00ffeeffaaff00ff # signature 2 # The indexes for both TUs. .long 1 # index 1 .long 2 # index 2 # The sections to which both TUs contribute. .long 2 # DW_SECT_TYPES .long 3 # DW_SECT_ABBREV .long 6 # DW_SECT_STR_OFFSETS # The starting offsets of both TU's contributions to info, # abbrev and string offsets table. .long TU1_5_start-.debug_types.dwo .long 0 .long .debug_str_offsets_object_file1-.debug_str_offsets.dwo .long TU2_5_start-.debug_types.dwo .long 0 .long .debug_str_offsets_object_file2-.debug_str_offsets.dwo # The lengths of both TU's contributions to info, abbrev and # string offsets table. .long TU1_5_end-TU1_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_end_TU1-.debug_str_offsets_start_TU1 .long TU2_5_end-TU2_5_start .long abbrev_end-.debug_abbrev.dwo .long .debug_str_offsets_end_TU2-.debug_str_offsets_start_TU2