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# 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"
# 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
.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 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)
# And a .dwo copy 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
.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:
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