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ad1b73ac01
The patch changes dumping of offsets in .debug_str_offsets sections so that they are printed as 16-digit hex values if the contribution is in the DWARF64 format. Differential Revision: https://reviews.llvm.org/D79997
435 lines
17 KiB
ArmAsm
435 lines
17 KiB
ArmAsm
# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
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# RUN: llvm-dwarfdump -v %t.o 2> %t.err | FileCheck --check-prefix=COMMON --check-prefix=SPLIT %s
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# RUN: llvm-dwarfdump -verify %t.o | FileCheck --check-prefix=VERIFY %s
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#
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# Check that we don't report an error on a non-existent range list table.
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# RUN: FileCheck -allow-empty --check-prefix ERR %s < %t.err
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# Test object to verify dwarfdump handles v5 string offset tables.
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# We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU.
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#
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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_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_TU:
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.asciz "Type_Unit"
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str_TU_type:
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.asciz "MyStruct"
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str_Subprogram:
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.asciz "MyFunc"
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str_Variable1:
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.asciz "MyVar1"
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str_Variable2:
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.asciz "MyVar2"
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str_Variable3:
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.asciz "MyVar3"
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# Every unit contributes to the string_offsets table.
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.section .debug_str_offsets,"",@progbits
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# CU1's contribution
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.long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_str_offsets_base0:
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.long str_producer
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.long str_CU1
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.long str_CU1_dir
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.long str_Subprogram
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.long str_Variable1
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.long str_Variable2
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.long str_Variable3
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.debug_str_offsets_segment0_end:
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# A 4-byte gap.
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.long 0
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# CU2's contribution in DWARF64 format
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.long 0xffffffff
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.quad .debug_str_offsets_segment1_end-.debug_str_offsets_base1+4
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_str_offsets_base1:
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.quad str_producer
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.quad str_CU2
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.quad str_CU2_dir
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.debug_str_offsets_segment1_end:
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# The TU's contribution
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.long .debug_str_offsets_segment2_end-.debug_str_offsets_base2+4
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_str_offsets_base2:
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.long str_TU
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.long str_TU_type
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.debug_str_offsets_segment2_end:
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.section .debug_str.dwo,"MSe",@progbits,1
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dwo_str_CU_5_producer:
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.asciz "Handmade split DWARF producer"
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dwo_str_CU_5_name:
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.asciz "V5_split_compile_unit"
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dwo_str_CU_5_comp_dir:
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.asciz "/home/test/splitCU"
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dwo_str_TU_5:
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.asciz "V5_split_type_unit"
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dwo_str_TU_5_type:
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.asciz "V5_split_Mystruct"
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.section .debug_str_offsets.dwo,"e",@progbits
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# One contribution only in a .dwo file
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.long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0+4
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.short 5 # DWARF version
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.short 0 # Padding
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.debug_dwo_str_offsets_base0:
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.long dwo_str_CU_5_producer-.debug_str.dwo
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.long dwo_str_CU_5_name-.debug_str.dwo
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.long dwo_str_CU_5_comp_dir-.debug_str.dwo
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.long dwo_str_TU_5-.debug_str.dwo
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.long dwo_str_TU_5_type-.debug_str.dwo
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.debug_dwo_str_offsets_segment0_end:
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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 0x01 # DW_CHILDREN_yes
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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 0x72 # DW_AT_str_offsets_base
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.byte 0x17 # DW_FORM_sec_offset
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.byte 0x1b # DW_AT_comp_dir
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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 0x72 # DW_AT_str_offsets_base
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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 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 0x2e # DW_TAG_subprogram
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.byte 0x01 # DW_CHILDREN_yes
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.byte 0x03 # DW_AT_name
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.byte 0x25 # DW_FORM_strx1
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x05 # Abbrev code
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.byte 0x34 # DW_TAG_variable
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x03 # DW_AT_name
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.byte 0x26 # DW_FORM_strx2
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.byte 0x49 # DW_AT_type
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.byte 0x13 # DW_FORM_ref4
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x06 # Abbrev code
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.byte 0x34 # DW_TAG_variable
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x03 # DW_AT_name
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.byte 0x27 # DW_FORM_strx3
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.byte 0x49 # DW_AT_type
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.byte 0x13 # DW_FORM_ref4
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x07 # Abbrev code
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.byte 0x34 # DW_TAG_variable
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x03 # DW_AT_name
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.byte 0x28 # DW_FORM_strx4
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.byte 0x49 # DW_AT_type
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.byte 0x13 # DW_FORM_ref4
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x08 # Abbrev code
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.byte 0x24 # DW_TAG_base_type
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x3e # DW_AT_encoding
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.byte 0x0b # DW_FORM_data1
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x09 # 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 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 of a subset for the .dwo sections.
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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 0x1b # DW_AT_comp_dir
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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 0x00 # EOM(3)
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.section .debug_info,"",@progbits
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# DWARF v5 CU header.
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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 # 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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# DW_AT_str_offsets 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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.long .debug_str_offsets_base0
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.byte 2 # The index of the comp dir string
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# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
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.byte 4 # Abbreviation code
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.byte 3 # Subprogram name string (DW_FORM_strx1)
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# A variable DIE with DW_AT_name, using DW_FORM_strx2, and DW_AT_type.
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.byte 5 # Abbreviation code
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.short 0x0004 # Subprogram name string (DW_FORM_strx2)
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.long TypeDie-.debug_info
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# A variable DIE with DW_AT_name, using DW_FORM_strx3, and DW_AT_type.
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.byte 6 # Abbreviation code
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.byte 5 # Subprogram name string (DW_FORM_strx3)
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.short 0 # Subprogram name string (DW_FORM_strx3)
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.long TypeDie-.debug_info
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# A variable DIE with DW_AT_name, using DW_FORM_strx4, and DW_AT_type.
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.byte 7 # Abbreviation code
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.long 6 # Subprogram name string (DW_FORM_strx4)
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.long TypeDie-.debug_info
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.byte 0 # NULL
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# A base type DIE with DW_AT_encoding.
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TypeDie:
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.byte 8 # Abbreviation code
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.byte 5 # DW_ATE_signed
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.byte 0 # NULL
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.byte 0 # NULL
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CU1_5_end:
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# DWARF v5 CU header
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.long 0xffffffff
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.quad 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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.quad .debug_abbrev # 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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# DW_AT_str_offsets 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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.quad .debug_str_offsets_base1
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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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# DWARF v5 CU without str_offsets_base - this shouldn't produce an error/nor
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# prevent other str_offsets contributions from being dumped.
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.long CU3_5_end-CU3_5_version # Length of Unit
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CU3_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 no attributes.
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.byte 9 # Abbreviation code
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CU3_5_end:
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.section .debug_types,"",@progbits
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# DWARF v5 Type unit header.
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TU_5_start:
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.long TU_5_end-TU_5_version # Length of Unit
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TU_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 # Offset Into Abbrev. Section
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.quad 0x0011223344556677 # Type Signature
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.long TU_5_type-TU_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 0 # Index of the unit type name string
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.long .debug_str_offsets_base2 # offset into the str_offsets section
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# The type DIE, which has a name.
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TU_5_type:
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.byte 3 # Abbreviation code
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.byte 1 # Index of the type name string
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.byte 0 # NULL
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.byte 0 # NULL
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TU_5_end:
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.section .debug_info.dwo,"e",@progbits
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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 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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# DW_AT_str_offsets 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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CU_split_5_end:
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.section .debug_types.dwo,"e",@progbits
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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 # Abbreviation code
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.byte 3 # The index of the type unit name string
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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 # Abbreviation code
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.byte 4 # The index of the type name string
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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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# We are using a hand-constructed object file and are interest in the correct
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# diplay of the DW_str_offsetsbase attribute, the correct display of strings
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# and the dump of the .debug_str_offsets[.dwo] table.
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# Abbreviation for DW_AT_str_offsets_base
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# COMMON: .debug_abbrev contents:
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# COMMON-NOT: contents:
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# COMMON: DW_TAG_compile_unit
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# COMMON-NOT: DW_TAG
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# COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset
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#
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# Verify that strings are displayed correctly as indexed strings
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# COMMON: .debug_info contents:
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# COMMON-NOT: contents:
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# COMMON: DW_TAG_compile_unit
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# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_1")
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# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
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# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU1")
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# COMMON-NOT: NULL
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# COMMON: DW_TAG_subprogram
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx1] (indexed (00000003) string = "MyFunc")
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# COMMON-NOT: NULL
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# COMMON: DW_TAG_variable
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx2] (indexed (00000004) string = "MyVar1")
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# COMMON-NOT: NULL
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# COMMON: DW_TAG_variable
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx3] (indexed (00000005) string = "MyVar2")
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# COMMON-NOT: NULL
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# COMMON: DW_TAG_variable
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx4] (indexed (00000006) string = "MyVar3")
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#
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# Second compile unit (b.cpp)
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# COMMON: DW_TAG_compile_unit
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# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_2")
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# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000000000000038)
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# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU2")
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#
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# The split CU
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# SPLIT: .debug_info.dwo contents:
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# SPLIT-NOT: contents:
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# SPLIT: DW_TAG_compile_unit
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# SPLIT-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade split DWARF producer")
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# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "V5_split_compile_unit")
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# SPLIT-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/splitCU")
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#
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# The type unit
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# COMMON: .debug_types contents:
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# COMMON: DW_TAG_type_unit
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000000) string = "Type_Unit")
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# COMMON: DW_TAG_structure_type
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# COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "MyStruct")
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#
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# The split type unit
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# SPLIT: .debug_types.dwo contents:
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# SPLIT: DW_TAG_type_unit
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# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "V5_split_type_unit")
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# SPLIT: DW_TAG_structure_type
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# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "V5_split_Mystruct")
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#
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# The .debug_str_offsets section
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# COMMON: .debug_str_offsets contents:
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# COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5
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# COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
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# COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
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# COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
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# COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
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# COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
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# COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
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# COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
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# COMMON-NEXT: Gap, length = 4
|
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# COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5
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# COMMON-NEXT: 0x00000038: 0000000000000000 "Handmade DWARF producer"
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# COMMON-NEXT: 0x00000040: 0000000000000036 "Compile_Unit_2"
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# COMMON-NEXT: 0x00000048: 0000000000000045 "/home/test/CU2"
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|
# COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5
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# COMMON-NEXT: 0x00000058: 00000054 "Type_Unit"
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# COMMON-NEXT: 0x0000005c: 0000005e "MyStruct"
|
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#
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# SPLIT: .debug_str_offsets.dwo contents:
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# SPLIT-NEXT: 0x00000000: Contribution size = 24, Format = DWARF32, Version = 5
|
|
# SPLIT-NEXT: 0x00000008: 00000000 "Handmade split DWARF producer"
|
|
# SPLIT-NEXT: 0x0000000c: 0000001e "V5_split_compile_unit"
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|
# SPLIT-NEXT: 0x00000010: 00000034 "/home/test/splitCU"
|
|
# SPLIT-NEXT: 0x00000014: 00000047 "V5_split_type_unit"
|
|
# SPLIT-NEXT: 0x00000018: 0000005a "V5_split_Mystruct"
|
|
|
|
# VERIFY: No errors.
|
|
|
|
# ERR-NOT: parsing a range list table:
|