# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o # RUN: not 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,"MSe",@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.