408 lines
14 KiB
ArmAsm
408 lines
14 KiB
ArmAsm
# Test object to verify dwarfdump handles v4 and v5 CU/TU/line 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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# We have v4 and v5 line-table headers.
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#
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# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
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# RUN: llvm-dwarfdump -v - | FileCheck %s
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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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str_LT_5a:
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.asciz "Directory5a"
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str_LT_5b:
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.asciz "Directory5b"
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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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dwo_producer:
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.asciz "Handmade DWO producer"
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dwo_CU_5:
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.asciz "V5_dwo_compile_unit"
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dwo_LT_5a:
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.asciz "DWODirectory5a"
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dwo_LT_5b:
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.asciz "DWODirectory5b"
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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 0x10 # DW_AT_stmt_list
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.byte 0x17 # DW_FORM_sec_offset
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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 0x10 # DW_AT_stmt_list
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.byte 0x17 # DW_FORM_sec_offset
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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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# CHECK-LABEL: .debug_info contents:
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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, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
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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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.long LH_4_start
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.byte 0 # NULL
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CU_4_end:
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# CHECK: 0x00000000: Compile Unit: length = 0x00000015 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000019)
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# CHECK: 0x0000000b: DW_TAG_compile_unit
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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, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
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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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.long LH_5_start
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.byte 0 # NULL
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CU_5_end:
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# CHECK: 0x00000019: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000033)
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# CHECK: 0x00000025: DW_TAG_compile_unit
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.section .debug_info.dwo,"",@progbits
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# CHECK-LABEL: .debug_info.dwo
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# DWARF v5 split CU header.
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.long CU_split_5_end-CU_split_5_version # Length of Unit
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CU_split_5_version:
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.short 5 # DWARF version number
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.byte 5 # 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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# The split compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
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.byte 1
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.long dwo_producer
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.long dwo_CU_5
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.long dwo_LH_5_start
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.byte 0 # NULL
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CU_split_5_end:
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# CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_split_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a)
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# CHECK: 0x0000000c: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWO producer"
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# CHECK-NEXT: DW_AT_name {{.*}} "V5_dwo_compile_unit"
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.section .debug_types,"",@progbits
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# CHECK-LABEL: .debug_types contents:
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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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# CHECK: 0x00000000: Type Unit: length = 0x0000001f version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 name = 'V4_type_unit' type_signature = 0x0011223344556677 type_offset = 0x001c (next unit at 0x00000023)
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# CHECK: 0x00000017: DW_TAG_type_unit
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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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# CHECK: .debug_types.dwo contents:
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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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# CHECK: 0x00000000: Type Unit: length = 0x00000020 version = 0x0005 unit_type = DW_UT_split_type abbr_offset = 0x0000 addr_size = 0x08 name = 'V5_split_type_unit' type_signature = 0x8899aabbccddeeff type_offset = 0x001d (next unit at 0x00000024)
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# CHECK: 0x00000018: DW_TAG_type_unit
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.section .debug_line,"",@progbits
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# CHECK-LABEL: .debug_line contents:
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# DWARF v4 line-table header.
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LH_4_start:
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.long LH_4_end-LH_4_version # Length of Unit
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LH_4_version:
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.short 4 # DWARF version number
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.long LH_4_header_end-LH_4_params # Length of Prologue
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LH_4_params:
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.byte 1 # Minimum Instruction Length
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.byte 1 # Maximum Operations per Instruction
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.byte 1 # Default is_stmt
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.byte -5 # Line Base
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.byte 14 # Line Range
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.byte 13 # Opcode Base
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.byte 0 # Standard Opcode Lengths
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.byte 1
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.byte 1
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.byte 1
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.byte 1
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.byte 0
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.byte 0
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.byte 0
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.byte 1
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.byte 0
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.byte 0
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.byte 1
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# Directory table
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.asciz "Directory4a"
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.asciz "Directory4b"
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.byte 0
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# File table
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.asciz "File4a" # File name 1
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.byte 1 # Directory index 1
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.byte 0x41 # Timestamp 1
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.byte 0x42 # File Size 1
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.asciz "File4b" # File name 2
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.byte 0 # Directory index 2
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.byte 0x43 # Timestamp 2
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.byte 0x44 # File Size 2
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.byte 0 # End of list
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LH_4_header_end:
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# Line number program, which is empty.
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LH_4_end:
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# CHECK: Line table prologue:
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# CHECK: version: 4
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# CHECK-NOT: address_size
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# CHECK-NOT: seg_select_size
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# CHECK: max_ops_per_inst: 1
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# CHECK: include_directories[ 1] = 'Directory4a'
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# CHECK: include_directories[ 2] = 'Directory4b'
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# CHECK-NOT: include_directories
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# CHECK: file_names[ 1] 1 0x00000041 0x00000042 File4a{{$}}
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# CHECK: file_names[ 2] 0 0x00000043 0x00000044 File4b{{$}}
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# CHECK-NOT: file_names
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# DWARF v5 line-table header.
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LH_5_start:
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.long LH_5_end-LH_5_version # Length of Unit
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LH_5_version:
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.short 5 # DWARF version number
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.byte 8 # Address Size
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.byte 0 # Segment Selector Size
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.long LH_5_header_end-LH_5_params # Length of Prologue
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LH_5_params:
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.byte 1 # Minimum Instruction Length
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.byte 1 # Maximum Operations per Instruction
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.byte 1 # Default is_stmt
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.byte -5 # Line Base
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.byte 14 # Line Range
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.byte 13 # Opcode Base
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.byte 0 # Standard Opcode Lengths
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.byte 1
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.byte 1
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.byte 1
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.byte 1
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.byte 0
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.byte 0
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.byte 0
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.byte 1
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.byte 0
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.byte 0
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.byte 1
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# Directory table format
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.byte 1 # One element per directory entry
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.byte 1 # DW_LNCT_path
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.byte 0x0e # DW_FORM_strp (-> .debug_str)
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# Directory table entries
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.byte 2 # Two directories
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.long str_LT_5a
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.long str_LT_5b
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# File table format
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.byte 3 # Three elements per file entry
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.byte 1 # DW_LNCT_path
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.byte 0x08 # DW_FORM_string
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.byte 2 # DW_LNCT_directory_index
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.byte 0x0b # DW_FORM_data1
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.byte 5 # DW_LNCT_MD5
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.byte 0x1e # DW_FORM_data16
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# File table entries
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.byte 2 # Two files
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.asciz "File5a"
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.byte 1
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.quad 0x7766554433221100
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.quad 0xffeeddccbbaa9988
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.asciz "File5b"
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.byte 2
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.quad 0x8899aabbccddeeff
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.quad 0x0011223344556677
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LH_5_header_end:
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# Line number program, which is empty.
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LH_5_end:
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# CHECK: Line table prologue:
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# CHECK: version: 5
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# CHECK: address_size: 8
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# CHECK: seg_select_size: 0
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# CHECK: max_ops_per_inst: 1
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# CHECK: include_directories[ 1] = 'Directory5a'
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# CHECK: include_directories[ 2] = 'Directory5b'
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# CHECK-NOT: include_directories
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# CHECK: MD5 Checksum
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# CHECK: file_names[ 1] 1 00112233445566778899aabbccddeeff File5a{{$}}
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# CHECK: file_names[ 2] 2 ffeeddccbbaa99887766554433221100 File5b{{$}}
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# CHECK-NOT: file_names
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.section .debug_line.dwo,"",@progbits
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# CHECK-LABEL: .debug_line.dwo
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# DWARF v5 DWO line-table header.
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dwo_LH_5_start:
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.long dwo_LH_5_end-dwo_LH_5_version # Length of Unit
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dwo_LH_5_version:
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.short 5 # DWARF version number
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.byte 8 # Address Size
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.byte 0 # Segment Selector Size
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.long dwo_LH_5_header_end-dwo_LH_5_params # Length of Prologue
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dwo_LH_5_params:
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.byte 1 # Minimum Instruction Length
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.byte 1 # Maximum Operations per Instruction
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.byte 1 # Default is_stmt
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.byte -5 # Line Base
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.byte 14 # Line Range
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.byte 13 # Opcode Base
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.byte 0 # Standard Opcode Lengths
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.byte 1
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.byte 1
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.byte 1
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.byte 1
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.byte 0
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.byte 0
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.byte 0
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.byte 1
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.byte 0
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.byte 0
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.byte 1
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# Directory table format
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.byte 1 # One element per directory entry
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.byte 1 # DW_LNCT_path
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.byte 0x0e # DW_FORM_strp (-> .debug_str.dwo)
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# Directory table entries
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.byte 2 # Two directories
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.long dwo_LT_5a
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.long dwo_LT_5b
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# File table format
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.byte 4 # Four elements per file entry
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.byte 1 # DW_LNCT_path
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.byte 0x08 # DW_FORM_string
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.byte 2 # DW_LNCT_directory_index
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.byte 0x0b # DW_FORM_data1
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.byte 3 # DW_LNCT_timestamp
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.byte 0x0f # DW_FORM_udata
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.byte 4 # DW_LNCT_size
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.byte 0x0f # DW_FORM_udata
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# File table entries
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.byte 2 # Two files
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.asciz "DWOFile5a"
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.byte 1
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.byte 0x15
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.byte 0x25
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.asciz "DWOFile5b"
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.byte 2
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.byte 0x35
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.byte 0x45
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dwo_LH_5_header_end:
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# Line number program, which is empty.
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dwo_LH_5_end:
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# CHECK: Line table prologue:
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# CHECK: version: 5
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# CHECK: address_size: 8
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# CHECK: seg_select_size: 0
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# CHECK: max_ops_per_inst: 1
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# CHECK: include_directories[ 1] = 'DWODirectory5a'
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# CHECK: include_directories[ 2] = 'DWODirectory5b'
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# CHECK-NOT: include_directories
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# CHECK: file_names[ 1] 1 0x00000015 0x00000025 DWOFile5a{{$}}
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# CHECK: file_names[ 2] 2 0x00000035 0x00000045 DWOFile5b{{$}}
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# CHECK-NOT: file_names
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