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# Test object to verify dwarfdump handles v4 and v5 CU/TU/line headers.
# We have a representative set of units: v4 CU, v5 CU, v4 TU, v5 split TU.
# We have v4 and v5 line-table headers.
#
# 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 0x10 # DW_AT_stmt_list
.byte 0x17 # DW_FORM_sec_offset
.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, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
.byte 1
.long str_producer
.long str_CU_4
.long LH_4_start
.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, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
.byte 1
.long str_producer
.long str_CU_5
.long LH_5_start
.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:
.section .debug_line,"",@progbits
# DWARF v4 line-table header.
LH_4_start:
.long LH_4_end-LH_4_version # Length of Unit
LH_4_version:
.short 4 # DWARF version number
.long LH_4_header_end-LH_4_params # Length of Prologue
LH_4_params:
.byte 1 # Minimum Instruction Length
.byte 1 # Maximum Operations per Instruction
.byte 1 # Default is_stmt
.byte -5 # Line Base
.byte 14 # Line Range
.byte 13 # Opcode Base
.byte 0 # Standard Opcode Lengths
.byte 1
.byte 1
.byte 1
.byte 1
.byte 0
.byte 0
.byte 0
.byte 1
.byte 0
.byte 0
.byte 1
# Directory table
.asciz "Directory4a"
.asciz "Directory4b"
.byte 0
# File table
.asciz "File4a" # File name 1
.byte 1 # Directory index 1
.byte 0x41 # Timestamp 1
.byte 0x42 # File Size 1
.asciz "File4b" # File name 2
.byte 0 # Directory index 2
.byte 0x43 # Timestamp 2
.byte 0x44 # File Size 2
.byte 0 # End of list
LH_4_header_end:
# Line number program, which is empty.
LH_4_end:
# DWARF v5 line-table header.
LH_5_start:
.long LH_5_end-LH_5_version # Length of Unit
LH_5_version:
.short 5 # DWARF version number
.byte 8 # Address Size
.byte 0 # Segment Selector Size
.long LH_5_header_end-LH_5_params # Length of Prologue
LH_5_params:
.byte 1 # Minimum Instruction Length
.byte 1 # Maximum Operations per Instruction
.byte 1 # Default is_stmt
.byte -5 # Line Base
.byte 14 # Line Range
.byte 13 # Opcode Base
.byte 0 # Standard Opcode Lengths
.byte 1
.byte 1
.byte 1
.byte 1
.byte 0
.byte 0
.byte 0
.byte 1
.byte 0
.byte 0
.byte 1
# Directory table format
.byte 1 # One element per directory entry
.byte 1 # DW_LNCT_path
.byte 0x08 # DW_FORM_string
# Directory table entries
.byte 2 # Two directories
.asciz "Directory5a"
.asciz "Directory5b"
# File table format
.byte 4 # Four elements per file entry
.byte 1 # DW_LNCT_path
.byte 0x08 # DW_FORM_string
.byte 2 # DW_LNCT_directory_index
.byte 0x0b # DW_FORM_data1
.byte 3 # DW_LNCT_timestamp
.byte 0x0f # DW_FORM_udata
.byte 4 # DW_LNCT_size
.byte 0x0f # DW_FORM_udata
# File table entries
.byte 2 # Two files
.asciz "File5a"
.byte 1
.byte 0x51
.byte 0x52
.asciz "File5b"
.byte 2
.byte 0x53
.byte 0x54
LH_5_header_end:
# Line number program, which is empty.
LH_5_end:
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