| # Test object to verify dwarfdump handles v5 string offset tables. |
| # We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU. |
| # |
| # To generate the test object: |
| # llvm-mc -triple x86_64-unknown-linux dwarfdump-str-offsets.s -filetype=obj \ |
| # -o dwarfdump-str-offsets.x86_64.o |
| |
| .section .debug_str,"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_TU: |
| .asciz "Type_Unit" |
| str_TU_type: |
| .asciz "MyStruct" |
| str_Subprogram: |
| .asciz "MyFunc" |
| str_Variable1: |
| .asciz "MyVar1" |
| str_Variable2: |
| .asciz "MyVar2" |
| str_Variable3: |
| .asciz "MyVar3" |
| |
| # Every unit contributes to the string_offsets table. |
| .section .debug_str_offsets,"",@progbits |
| # CU1's contribution |
| .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_str_offsets_base0: |
| .long str_producer |
| .long str_CU1 |
| .long str_CU1_dir |
| .long str_Subprogram |
| .long str_Variable1 |
| .long str_Variable2 |
| .long str_Variable3 |
| .debug_str_offsets_segment0_end: |
| # CU2's contribution |
| .long .debug_str_offsets_segment1_end-.debug_str_offsets_base1 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_str_offsets_base1: |
| .long str_producer |
| .long str_CU2 |
| .long str_CU2_dir |
| .debug_str_offsets_segment1_end: |
| # The TU's contribution |
| .long .debug_str_offsets_segment2_end-.debug_str_offsets_base2 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_str_offsets_base2: |
| .long str_TU |
| .long str_TU_type |
| .debug_str_offsets_segment2_end: |
| |
| .section .debug_str.dwo,"MS",@progbits,1 |
| dwo_str_CU_5_producer: |
| .asciz "Handmade split DWARF producer" |
| dwo_str_CU_5_name: |
| .asciz "V5_split_compile_unit" |
| dwo_str_CU_5_comp_dir: |
| .asciz "/home/test/splitCU" |
| dwo_str_TU_5: |
| .asciz "V5_split_type_unit" |
| dwo_str_TU_5_type: |
| .asciz "V5_split_Mystruct" |
| |
| .section .debug_str_offsets.dwo,"",@progbits |
| # The split CU's contribution |
| .long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_dwo_str_offsets_base0: |
| .long dwo_str_CU_5_producer-.debug_str.dwo |
| .long dwo_str_CU_5_name-.debug_str.dwo |
| .long dwo_str_CU_5_comp_dir-.debug_str.dwo |
| .debug_dwo_str_offsets_segment0_end: |
| # The split TU's contribution |
| .long .debug_dwo_str_offsets_segment1_end-.debug_dwo_str_offsets_base1 |
| .short 5 # DWARF version |
| .short 0 # Padding |
| .debug_dwo_str_offsets_base1: |
| .long dwo_str_TU_5-.debug_str.dwo |
| .long dwo_str_TU_5_type-.debug_str.dwo |
| .debug_dwo_str_offsets_segment1_end: |
| |
| # All CUs/TUs use the same abbrev section for simplicity. |
| .section .debug_abbrev,"",@progbits |
| .byte 0x01 # Abbrev code |
| .byte 0x11 # DW_TAG_compile_unit |
| .byte 0x01 # DW_CHILDREN_yes |
| .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 0x1b # DW_AT_comp_dir |
| .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 0x04 # Abbrev code |
| .byte 0x2e # DW_TAG_subprogram |
| .byte 0x01 # DW_CHILDREN_yes |
| .byte 0x03 # DW_AT_name |
| .byte 0x25 # DW_FORM_strx1 |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x05 # Abbrev code |
| .byte 0x34 # DW_TAG_variable |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x03 # DW_AT_name |
| .byte 0x26 # DW_FORM_strx2 |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x06 # Abbrev code |
| .byte 0x34 # DW_TAG_variable |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x03 # DW_AT_name |
| .byte 0x27 # DW_FORM_strx3 |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x07 # Abbrev code |
| .byte 0x34 # DW_TAG_variable |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x03 # DW_AT_name |
| .byte 0x28 # DW_FORM_strx4 |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x00 # EOM(3) |
| |
| # And a .dwo copy of a subset for the .dwo sections. |
| .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 0x1b # DW_AT_comp_dir |
| .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) |
| |
| .section .debug_info,"",@progbits |
| |
| # DWARF v5 CU header. |
| .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 # 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 |
| .long .debug_str_offsets_base0 |
| .byte 2 # The index of the comp dir string |
| # A subprogram DIE with DW_AT_name, using DW_FORM_strx1. |
| .byte 4 # Abbreviation code |
| .byte 3 # Subprogram name string (DW_FORM_strx1) |
| # A variable DIE with DW_AT_name, using DW_FORM_strx2. |
| .byte 5 # Abbreviation code |
| .short 0x0004 # Subprogram name string (DW_FORM_strx2) |
| # A variable DIE with DW_AT_name, using DW_FORM_strx3. |
| .byte 6 # Abbreviation code |
| .byte 5 # Subprogram name string (DW_FORM_strx3) |
| .short 0 # Subprogram name string (DW_FORM_strx3) |
| # A variable DIE with DW_AT_name, using DW_FORM_strx4. |
| .byte 7 # Abbreviation code |
| .quad 0x00000006 # Subprogram name string (DW_FORM_strx4) |
| .byte 0 # NULL |
| .byte 0 # NULL |
| .byte 0 # NULL |
| CU1_5_end: |
| |
| # DWARF v5 CU header |
| .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 # 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 |
| .long .debug_str_offsets_base1 |
| .byte 2 # The index of the comp dir string |
| .byte 0 # NULL |
| CU2_5_end: |
| |
| .section .debug_types,"",@progbits |
| # DWARF v5 Type unit header. |
| TU_5_start: |
| .long TU_5_end-TU_5_version # Length of Unit |
| TU_5_version: |
| .short 5 # DWARF version number |
| .byte 2 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .quad 0x0011223344556677 # Type Signature |
| .long TU_5_type-TU_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 |
| .long .debug_str_offsets_base2 # offset into the str_offsets section |
| # The type DIE, which has a name. |
| TU_5_type: |
| .byte 3 # Abbreviation code |
| .byte 1 # Index of the type name string |
| .byte 0 # NULL |
| .byte 0 # NULL |
| TU_5_end: |
| |
| .section .debug_info.dwo,"",@progbits |
| |
| # DWARF v5 split CU header. |
| .long CU_split_5_end-CU_split_5_version # Length of Unit |
| CU_split_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 |
| .long .debug_dwo_str_offsets_base0-.debug_str_offsets.dwo |
| .byte 2 # The index of the comp dir string |
| .byte 0 # NULL |
| CU_split_5_end: |
| |
| .section .debug_types.dwo,"",@progbits |
| |
| # DWARF v5 split type unit header. |
| TU_split_5_start: |
| .long TU_split_5_end-TU_split_5_version # Length of Unit |
| TU_split_5_version: |
| .short 5 # DWARF version number |
| .byte 6 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev.dwo # Offset Into Abbrev Section |
| .quad 0x8899aabbccddeeff # Type Signature |
| .long TU_split_5_type-TU_split_5_start # Type offset |
| # The type-unit DIE, which has a name. |
| .byte 2 # Abbreviation code |
| .byte 0 # The index of the type unit name string |
| .long .debug_dwo_str_offsets_base1-.debug_str_offsets.dwo |
| # The type DIE, which has a name. |
| TU_split_5_type: |
| .byte 3 # Abbreviation code |
| .byte 1 # The index of the type name string |
| .byte 0 # NULL |
| .byte 0 # NULL |
| TU_split_5_end: |