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# Test object to verify dwarfdump handles v4 and v5 CU/TU headers.
# We have a representative set of units: v4 CU, v5 CU, v4 TU, v5 split TU.
#
# To generate the test object:
# llvm-mc -triple x86_64-unknown-linux dwarfdump-header.s -filetype=obj \
# -o dwarfdump-header.elf-x86-64
.section .debug_str,"MS",@progbits,1
str_producer:
.asciz "Handmade DWARF producer"
str_CU_4:
.asciz "V4_compile_unit"
str_CU_5:
.asciz "V5_compile_unit"
str_TU_4:
.asciz "V4_type_unit"
.section .debug_str.dwo,"MS",@progbits,1
dwo_TU_5:
.asciz "V5_split_type_unit"
# 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 0x0e # DW_FORM_strp
.byte 0x03 # DW_AT_name
.byte 0x0e # DW_FORM_strp
.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 0x0e # DW_FORM_strp
.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 0x0e # DW_FORM_strp
.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 0x0e # DW_FORM_strp
.byte 0x03 # DW_AT_name
.byte 0x0e # DW_FORM_strp
.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 0x0e # DW_FORM_strp
.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 0x0e # DW_FORM_strp
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section .debug_info,"",@progbits
# DWARF v4 CU header. V4 CU headers all look the same so we do only one.
.long CU_4_end-CU_4_version # Length of Unit
CU_4_version:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
# The compile-unit DIE, which has just DW_AT_producer and DW_AT_name.
.byte 1
.long str_producer
.long str_CU_4
.byte 0 # NULL
CU_4_end:
# DWARF v5 normal CU header.
.long CU_5_end-CU_5_version # Length of Unit
CU_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 just DW_AT_producer and DW_AT_name.
.byte 1
.long str_producer
.long str_CU_5
.byte 0 # NULL
CU_5_end:
.section .debug_types,"",@progbits
# DWARF v4 Type unit header. Normal/split are identical so we do only one.
TU_4_start:
.long TU_4_end-TU_4_version # Length of Unit
TU_4_version:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.quad 0x0011223344556677 # Type Signature
.long TU_4_type-TU_4_start # Type offset
# The type-unit DIE, which has a name.
.byte 2
.long str_TU_4
# The type DIE, which has a name.
TU_4_type:
.byte 3
.long str_TU_4
.byte 0 # NULL
.byte 0 # NULL
TU_4_end:
.section .debug_types.dwo,"",@progbits
# FIXME: DWARF v5 wants type units in .debug_info[.dwo] not .debug_types[.dwo].
# 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
.long dwo_TU_5
# The type DIE, which has a name.
TU_split_5_type:
.byte 3
.long dwo_TU_5
.byte 0 # NULL
.byte 0 # NULL
TU_split_5_end:
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