150 lines
4.9 KiB
ArmAsm
150 lines
4.9 KiB
ArmAsm
# Test object to verify dwarfdump handles v4 and v5 CU/TU headers.
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# We have a representative set of units: v4 CU, v5 CU, v4 TU, v5 split TU.
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#
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# To generate the test object:
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# llvm-mc -triple x86_64-unknown-linux dwarfdump-header.s -filetype=obj \
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# -o dwarfdump-header.elf-x86-64
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.section .debug_str,"MS",@progbits,1
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str_producer:
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.asciz "Handmade DWARF producer"
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str_CU_4:
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.asciz "V4_compile_unit"
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str_CU_5:
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.asciz "V5_compile_unit"
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str_TU_4:
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.asciz "V4_type_unit"
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.section .debug_str.dwo,"MS",@progbits,1
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dwo_TU_5:
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.asciz "V5_split_type_unit"
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# All CUs/TUs use the same abbrev section for simplicity.
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.section .debug_abbrev,"",@progbits
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.byte 0x01 # Abbrev code
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.byte 0x11 # DW_TAG_compile_unit
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x25 # DW_AT_producer
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.byte 0x0e # DW_FORM_strp
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x02 # Abbrev code
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.byte 0x41 # DW_TAG_type_unit
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.byte 0x01 # DW_CHILDREN_yes
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x03 # Abbrev code
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.byte 0x13 # DW_TAG_structure_type
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.byte 0x00 # DW_CHILDREN_no (no members)
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x00 # EOM(3)
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# And a .dwo copy for the .dwo sections.
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.section .debug_abbrev.dwo,"",@progbits
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.byte 0x01 # Abbrev code
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.byte 0x11 # DW_TAG_compile_unit
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x25 # DW_AT_producer
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.byte 0x0e # DW_FORM_strp
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x02 # Abbrev code
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.byte 0x41 # DW_TAG_type_unit
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.byte 0x01 # DW_CHILDREN_yes
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x03 # Abbrev code
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.byte 0x13 # DW_TAG_structure_type
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.byte 0x00 # DW_CHILDREN_no (no members)
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.byte 0x03 # DW_AT_name
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.byte 0x0e # DW_FORM_strp
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x00 # EOM(3)
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.section .debug_info,"",@progbits
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# DWARF v4 CU header. V4 CU headers all look the same so we do only one.
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.long CU_4_end-CU_4_version # Length of Unit
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CU_4_version:
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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# The compile-unit DIE, which has just DW_AT_producer and DW_AT_name.
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.byte 1
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.long str_producer
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.long str_CU_4
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.byte 0 # NULL
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CU_4_end:
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# DWARF v5 normal CU header.
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.long CU_5_end-CU_5_version # Length of Unit
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CU_5_version:
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.short 5 # DWARF version number
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.byte 1 # DWARF Unit Type
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.byte 8 # Address Size (in bytes)
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.long .debug_abbrev # Offset Into Abbrev. Section
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# The compile-unit DIE, which has just DW_AT_producer and DW_AT_name.
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.byte 1
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.long str_producer
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.long str_CU_5
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.byte 0 # NULL
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CU_5_end:
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.section .debug_types,"",@progbits
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# DWARF v4 Type unit header. Normal/split are identical so we do only one.
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TU_4_start:
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.long TU_4_end-TU_4_version # Length of Unit
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TU_4_version:
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.quad 0x0011223344556677 # Type Signature
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.long TU_4_type-TU_4_start # Type offset
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# The type-unit DIE, which has a name.
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.byte 2
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.long str_TU_4
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# The type DIE, which has a name.
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TU_4_type:
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.byte 3
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.long str_TU_4
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.byte 0 # NULL
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.byte 0 # NULL
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TU_4_end:
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.section .debug_types.dwo,"",@progbits
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# FIXME: DWARF v5 wants type units in .debug_info[.dwo] not .debug_types[.dwo].
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# DWARF v5 split type unit header.
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TU_split_5_start:
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.long TU_split_5_end-TU_split_5_version # Length of Unit
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TU_split_5_version:
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.short 5 # DWARF version number
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.byte 6 # DWARF Unit Type
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.byte 8 # Address Size (in bytes)
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.long .debug_abbrev.dwo # Offset Into Abbrev. Section
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.quad 0x8899aabbccddeeff # Type Signature
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.long TU_split_5_type-TU_split_5_start # Type offset
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# The type-unit DIE, which has a name.
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.byte 2
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.long dwo_TU_5
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# The type DIE, which has a name.
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TU_split_5_type:
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.byte 3
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.long dwo_TU_5
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.byte 0 # NULL
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.byte 0 # NULL
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TU_split_5_end:
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