| # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o | |
| # RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDLENGTH %s | |
| # | |
| # Test object to verify that llvm-dwarfdump handles an invalid string offsets | |
| # table. | |
| .section .debug_str,"MS",@progbits,1 | |
| str_producer: | |
| .asciz "Handmade DWARF producer" | |
| str_CU1: | |
| .asciz "Compile_Unit_1" | |
| # 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) | |
| # A rudimentary compile unit to convince dwarfdump that we are dealing with a | |
| # DWARF v5 string offsets table. | |
| .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: | |
| # Every unit contributes to the string_offsets table. | |
| .section .debug_str_offsets,"",@progbits | |
| # CU1's contribution | |
| # The length is not a multiple of 4. Check that we don't read off the | |
| # end. | |
| .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4 | |
| .short 5 # DWARF version | |
| .short 0 # Padding | |
| .debug_str_offsets_base0: | |
| .long str_producer | |
| .long str_CU1 | |
| .byte 0 | |
| .debug_str_offsets_segment0_end: | |
| # INVALIDLENGTH: .debug_str_offsets contents: | |
| # INVALIDLENGTH-NOT: contents: | |
| # INVALIDLENGTH: error: invalid contribution to string offsets table in section .debug_str_offsets. |