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338 lines
13 KiB
338 lines
13 KiB
# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
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# RUN: llvm-dwarfdump -v %t.o | FileCheck %s
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# Test object to verify that dwarfdump handles dwp files with DWARF v5 string
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# offset tables. We have 3 CUs and 2 TUs, where it is assumed that
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# CU1 and TU1 came from one object file, CU2 and TU2 from a second object
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# file, and CU3 from a third object file that was compiled with
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# -gdwarf-4.
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#
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.section .debug_str.dwo,"MSe",@progbits,1
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str_producer:
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.asciz "Handmade DWARF producer"
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str_CU1:
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.asciz "Compile_Unit_1"
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str_CU1_dir:
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.asciz "/home/test/CU1"
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str_CU2:
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.asciz "Compile_Unit_2"
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str_CU2_dir:
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.asciz "/home/test/CU2"
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str_TU1:
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.asciz "Type_Unit_1"
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str_TU1_type:
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.asciz "MyStruct_1"
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str_TU2:
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.asciz "Type_Unit_2"
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str_TU2_type:
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.asciz "MyStruct_2"
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str_CU3:
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.asciz "Compile_Unit_3"
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str_CU3_dir:
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.asciz "/home/test/CU3"
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.section .debug_str_offsets.dwo,"e",@progbits
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# Object files 1's portion of the .debug_str_offsets.dwo section.
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# CU1 and TU1 share a contribution to the string offsets table.
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.debug_str_offsets_object_file1_start:
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.long .debug_str_offsets_object_file1_end-.debug_str_offsets_base_1
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_str_offsets_base_1:
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.long str_producer-.debug_str.dwo
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.long str_CU1-.debug_str.dwo
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.long str_CU1_dir-.debug_str.dwo
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.long str_TU1-.debug_str.dwo
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.long str_TU1_type-.debug_str.dwo
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.debug_str_offsets_object_file1_end:
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# Object files 2's portion of the .debug_str_offsets.dwo section.
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# CU2 and TU2 share a contribution to the string offsets table.
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.debug_str_offsets_object_file2_start:
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.long .debug_str_offsets_object_file2_end-.debug_str_offsets_base_2
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_str_offsets_base_2:
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.long str_producer-.debug_str.dwo
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.long str_CU2-.debug_str.dwo
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.long str_CU2_dir-.debug_str.dwo
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.long str_TU2-.debug_str.dwo
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.long str_TU2_type-.debug_str.dwo
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.debug_str_offsets_object_file2_end:
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# Object files 3's portion of the .debug_str_offsets.dwo section.
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# This file is assumed to have been compiled with -gdwarf-4 and
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# therefore contains a version 4 CU and a GNU format contribution
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# to the .debug_str_offsets section.
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.debug_str_offsets_object_file3_start:
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.debug_str_offsets_base_3:
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.long str_producer-.debug_str.dwo
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.long str_CU3-.debug_str.dwo
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.long str_CU3_dir-.debug_str.dwo
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.debug_str_offsets_object_file3_end:
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# Abbrevs are shared for all compile and type units
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.section .debug_abbrev.dwo,"e",@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 0x1a # DW_FORM_strx
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.byte 0x03 # DW_AT_name
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.byte 0x1a # DW_FORM_strx
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.byte 0x03 # DW_AT_name
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.byte 0x1a # DW_FORM_strx
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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 0x1a # DW_FORM_strx
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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 0x1a # DW_FORM_strx
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x04 # 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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.short 0x3e82 # DW_FORM_GNU_str_index
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.byte 0x03 # DW_AT_name
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.short 0x3e82 # DW_FORM_GNU_str_index
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.byte 0x03 # DW_AT_name
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.short 0x3e82 # DW_FORM_GNU_str_index
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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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abbrev_end:
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.section .debug_info.dwo,"e",@progbits
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# DWARF v5 CU header.
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CU1_5_start:
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.long CU1_5_end-CU1_5_version # Length of Unit
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CU1_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.dwo # Offset Into Abbrev. Section
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# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name
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# and DW_AT_compdir.
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.byte 1 # Abbreviation code
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.byte 0 # The index of the producer string
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.byte 1 # The index of the CU name string
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.byte 2 # The index of the comp dir string
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.byte 0 # NULL
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CU1_5_end:
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CU2_5_start:
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.long CU2_5_end-CU2_5_version # Length of Unit
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CU2_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.dwo # Offset Into Abbrev. Section
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# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name
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# and DW_AT_compdir.
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.byte 1 # Abbreviation code
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.byte 0 # The index of the producer string
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.byte 1 # The index of the CU name string
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.byte 2 # The index of the comp dir string
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.byte 0 # NULL
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CU2_5_end:
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CU3_4_start:
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.long CU3_4_end-CU3_4_version # Length of Unit
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CU3_4_version:
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.short 4 # DWARF version number
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.long .debug_abbrev.dwo # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name
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# and DW_AT_compdir.
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.byte 4 # Abbreviation code
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.byte 0 # The index of the producer string
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.byte 1 # The index of the CU name string
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.byte 2 # The index of the comp dir string
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.byte 0 # NULL
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CU3_4_end:
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.section .debug_types.dwo,"e",@progbits
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# DWARF v5 Type unit header.
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TU1_5_start:
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.long TU1_5_end-TU1_5_version # Length of Unit
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TU1_5_version:
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.short 5 # DWARF version number
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.byte 2 # 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 0x0011223344556677 # Type Signature
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.long TU1_5_type-TU1_5_start # Type offset
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# The type-unit DIE, which has a name.
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.byte 2 # Abbreviation code
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.byte 3 # Index of the unit type name string
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# The type DIE, which has a name.
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TU1_5_type:
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.byte 3 # Abbreviation code
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.byte 4 # Index of the type name string
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.byte 0 # NULL
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.byte 0 # NULL
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TU1_5_end:
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TU2_5_start:
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.long TU2_5_end-TU2_5_version # Length of Unit
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TU2_5_version:
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.short 5 # DWARF version number
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.byte 2 # 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 0x00aabbccddeeff99 # Type Signature
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.long TU2_5_type-TU2_5_start # Type offset
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# The type-unit DIE, which has a name.
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.byte 2 # Abbreviation code
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.byte 3 # Index of the unit type name string
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# The type DIE, which has a name.
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TU2_5_type:
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.byte 3 # Abbreviation code
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.byte 4 # Index of the type name string
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.byte 0 # NULL
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.byte 0 # NULL
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TU2_5_end:
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.section .debug_cu_index,"",@progbits
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# The index header
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.long 2 # Version
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.long 3 # Columns of contribution matrix
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.long 3 # number of units
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.long 3 # number of hash buckets in table
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# The signatures for all CUs.
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.quad 0xddeeaaddbbaabbee # signature 1
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.quad 0xff00ffeeffaaff00 # signature 2
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.quad 0xf00df00df00df00d # signature 2
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# The indexes for both CUs.
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.long 1 # index 1
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.long 2 # index 2
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.long 3 # index 3
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# The sections to which all CUs contribute.
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.long 1 # DW_SECT_INFO
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.long 3 # DW_SECT_ABBREV
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.long 6 # DW_SECT_STR_OFFSETS
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# The starting offsets of all CU's contributions to info,
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# abbrev and string offsets table.
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.long CU1_5_start-.debug_info.dwo
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.long 0
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.long .debug_str_offsets_object_file1_start-.debug_str_offsets.dwo
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.long CU2_5_start-.debug_info.dwo
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.long 0
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.long .debug_str_offsets_object_file2_start-.debug_str_offsets.dwo
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.long CU3_4_start-.debug_info.dwo
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.long 0
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.long .debug_str_offsets_object_file3_start-.debug_str_offsets.dwo
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# The lengths of all CU's contributions to info, abbrev and
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# string offsets table.
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.long CU1_5_end-CU1_5_start
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.long abbrev_end-.debug_abbrev.dwo
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.long .debug_str_offsets_object_file1_end-.debug_str_offsets_object_file1_start
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.long CU2_5_end-CU2_5_start
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.long abbrev_end-.debug_abbrev.dwo
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.long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start
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.long CU3_4_end-CU3_4_start
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.long abbrev_end-.debug_abbrev.dwo
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.long .debug_str_offsets_object_file3_end-.debug_str_offsets_object_file3_start
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.section .debug_tu_index,"",@progbits
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# The index header
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.long 2 # Version
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.long 3 # Columns of contribution matrix
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.long 2 # number of units
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.long 2 # number of hash buckets in table
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# The signatures for both TUs.
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.quad 0xeeaaddbbaabbeedd # signature 1
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.quad 0x00ffeeffaaff00ff # signature 2
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# The indexes for both TUs.
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.long 1 # index 1
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.long 2 # index 2
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# The sections to which both TUs contribute.
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.long 2 # DW_SECT_TYPES
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.long 3 # DW_SECT_ABBREV
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.long 6 # DW_SECT_STR_OFFSETS
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# The starting offsets of both TU's contributions to info,
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# abbrev and string offsets table.
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.long TU1_5_start-.debug_types.dwo
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.long 0
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.long .debug_str_offsets_object_file1_start-.debug_str_offsets.dwo
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.long TU2_5_start-.debug_types.dwo
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.long 0
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.long .debug_str_offsets_object_file2_start-.debug_str_offsets.dwo
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# The lengths of both TU's contributions to info, abbrev and
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# string offsets table.
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.long TU1_5_end-TU1_5_start
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.long abbrev_end-.debug_abbrev.dwo
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.long .debug_str_offsets_object_file1_end-.debug_str_offsets_object_file1_start
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.long TU2_5_end-TU2_5_start
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.long abbrev_end-.debug_abbrev.dwo
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.long .debug_str_offsets_object_file2_end-.debug_str_offsets_object_file2_start
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# Verify that the correct strings from each unit are displayed and that the
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# index for the .debug_str_offsets section has the right values.
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# CHECK: Compile Unit
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_1")
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU1")
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# CHECK-NOT: NULL
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# CHECK: Compile Unit
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_2")
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU2")
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#
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# CHECK: Type Unit
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_type_unit
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "Type_Unit_1")
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_structure_type
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "MyStruct_1")
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#
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# CHECK: Type Unit
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_type_unit
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "Type_Unit_2")
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# CHECK-NOT: NULL
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# CHECK: DW_TAG_structure_type
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# CHECK-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "MyStruct_2")
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# Verify the correct offets of the compile and type units contributions in the
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# index tables.
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# CHECK: .debug_cu_index contents:
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# CHECK-NOT: contents:
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# CHECK: 1 0xddeeaaddbbaabbee [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
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# CHECK-SAME: [0x00000000
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# CHECK-NEXT: 2 0xff00ffeeffaaff00 [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
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# CHECK-SAME: [0x0000001c
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# CHECK: .debug_tu_index contents:
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# CHECK-NOT: contents:
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# CHECK: 1 0xeeaaddbbaabbeedd [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
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# CHECK-SAME: [0x00000000
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# CHECK-NEXT: 2 0x00ffeeffaaff00ff [{{0x[0-9a-f]*, 0x[0-9a-f]*}}) [{{0x[0-9a-f]*, 0x[0-9a-f]*}})
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# CHECK: [0x0000001c
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