dwarfdump-str-offsets-invalid-6.s
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# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o 2>&1 | 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: error: overlapping contributions to string offsets table in section .debug_str_offsets.