third_party/llvm-7.0/llvm/test/DebugInfo/X86/dwarfdump-str-offsets-invalid-6.s

# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=OVERLAP %s
#
# Test object to verify that llvm-dwarfdump handles an invalid string offsets
# table with overlapping contributions.

        .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"

        .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"

# A rudimentary abbrev section.
        .section .debug_abbrev,"",@progbits
        .byte 0x01  # Abbrev code
        .byte 0x11  # DW_TAG_compile_unit
        .byte 0x00  # DW_CHILDREN_no
        .byte 0x72  # DW_AT_str_offsets_base
        .byte 0x17  # DW_FORM_sec_offset
        .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
# A compile-unit DIE, which has no attributes.
        .byte 1                # Abbreviation code
        .long .debug_str_offsets_base0
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
# A compile-unit DIE, which has no attributes.
        .byte 1                # Abbreviation code
        .long .debug_str_offsets_base1
CU2_5_end:

        .section .debug_str_offsets,"",@progbits
# CU1's contribution
        .long .debug_str_offsets_segment1_end-.debug_str_offsets_base0+4
        .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
# Overlapping with CU1's contribution
        .long .debug_str_offsets_segment1_end-.debug_str_offsets_base1+4
        .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:

# OVERLAP:            .debug_str_offsets contents:
# OVERLAP-NOT:        contents:
# OVERLAP:            error: overlapping contributions to string offsets table in section .debug_str_offsets.